summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-omap2
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-omap2')
-rw-r--r--arch/arm/mach-omap2/Kconfig22
-rw-r--r--arch/arm/mach-omap2/Makefile13
-rw-r--r--arch/arm/mach-omap2/Makefile.boot3
-rw-r--r--arch/arm/mach-omap2/board-generic.c80
-rw-r--r--arch/arm/mach-omap2/board-h4.c197
-rw-r--r--arch/arm/mach-omap2/clock.c1129
-rw-r--r--arch/arm/mach-omap2/clock.h2103
-rw-r--r--arch/arm/mach-omap2/devices.c89
-rw-r--r--arch/arm/mach-omap2/id.c124
-rw-r--r--arch/arm/mach-omap2/io.c53
-rw-r--r--arch/arm/mach-omap2/irq.c149
-rw-r--r--arch/arm/mach-omap2/mux.c65
-rw-r--r--arch/arm/mach-omap2/prcm.h419
-rw-r--r--arch/arm/mach-omap2/serial.c180
-rw-r--r--arch/arm/mach-omap2/sram-fn.S333
-rw-r--r--arch/arm/mach-omap2/timer-gp.c126
16 files changed, 5085 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
new file mode 100644
index 00000000000..578880943cf
--- /dev/null
+++ b/arch/arm/mach-omap2/Kconfig
@@ -0,0 +1,22 @@
+comment "OMAP Core Type"
+ depends on ARCH_OMAP2
+
+config ARCH_OMAP24XX
+ bool "OMAP24xx Based System"
+ depends on ARCH_OMAP2
+
+config ARCH_OMAP2420
+ bool "OMAP2420 support"
+ depends on ARCH_OMAP24XX
+
+comment "OMAP Board Type"
+ depends on ARCH_OMAP2
+
+config MACH_OMAP_GENERIC
+ bool "Generic OMAP board"
+ depends on ARCH_OMAP2 && ARCH_OMAP24XX
+
+config MACH_OMAP_H4
+ bool "OMAP 2420 H4 board"
+ depends on ARCH_OMAP2 && ARCH_OMAP24XX
+
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
new file mode 100644
index 00000000000..42041166435
--- /dev/null
+++ b/arch/arm/mach-omap2/Makefile
@@ -0,0 +1,13 @@
+#
+# Makefile for the linux kernel.
+#
+
+# Common support
+obj-y := irq.o id.o io.o sram-fn.o clock.o mux.o devices.o serial.o
+
+obj-$(CONFIG_OMAP_MPU_TIMER) += timer-gp.o
+
+# Specific board support
+obj-$(CONFIG_MACH_OMAP_GENERIC) += board-generic.o
+obj-$(CONFIG_MACH_OMAP_H4) += board-h4.o
+
diff --git a/arch/arm/mach-omap2/Makefile.boot b/arch/arm/mach-omap2/Makefile.boot
new file mode 100644
index 00000000000..565aff7f37a
--- /dev/null
+++ b/arch/arm/mach-omap2/Makefile.boot
@@ -0,0 +1,3 @@
+ zreladdr-y := 0x80008000
+params_phys-y := 0x80000100
+initrd_phys-y := 0x80800000
diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c
new file mode 100644
index 00000000000..c602e7a3d93
--- /dev/null
+++ b/arch/arm/mach-omap2/board-generic.c
@@ -0,0 +1,80 @@
+/*
+ * linux/arch/arm/mach-omap/omap2/board-generic.c
+ *
+ * Copyright (C) 2005 Nokia Corporation
+ * Author: Paul Mundt <paul.mundt@nokia.com>
+ *
+ * Modified from mach-omap/omap1/board-generic.c
+ *
+ * Code for generic OMAP2 board. Should work on many OMAP2 systems where
+ * the bootloader passes the board-specific data to the kernel.
+ * Do not put any board specific code to this file; create a new machine
+ * type if you need custom low-level initializations.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/device.h>
+
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <asm/arch/gpio.h>
+#include <asm/arch/mux.h>
+#include <asm/arch/usb.h>
+#include <asm/arch/board.h>
+#include <asm/arch/common.h>
+
+static void __init omap_generic_init_irq(void)
+{
+ omap_init_irq();
+}
+
+static struct omap_uart_config generic_uart_config __initdata = {
+ .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
+};
+
+static struct omap_mmc_config generic_mmc_config __initdata = {
+ .mmc [0] = {
+ .enabled = 0,
+ .wire4 = 0,
+ .wp_pin = -1,
+ .power_pin = -1,
+ .switch_pin = -1,
+ },
+};
+
+static struct omap_board_config_kernel generic_config[] = {
+ { OMAP_TAG_UART, &generic_uart_config },
+ { OMAP_TAG_MMC, &generic_mmc_config },
+};
+
+static void __init omap_generic_init(void)
+{
+ omap_board_config = generic_config;
+ omap_board_config_size = ARRAY_SIZE(generic_config);
+ omap_serial_init();
+}
+
+static void __init omap_generic_map_io(void)
+{
+ omap_map_common_io();
+}
+
+MACHINE_START(OMAP_GENERIC, "Generic OMAP24xx")
+ /* Maintainer: Paul Mundt <paul.mundt@nokia.com> */
+ .phys_ram = 0x80000000,
+ .phys_io = 0x48000000,
+ .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
+ .boot_params = 0x80000100,
+ .map_io = omap_generic_map_io,
+ .init_irq = omap_generic_init_irq,
+ .init_machine = omap_generic_init,
+ .timer = &omap_timer,
+MACHINE_END
diff --git a/arch/arm/mach-omap2/board-h4.c b/arch/arm/mach-omap2/board-h4.c
new file mode 100644
index 00000000000..f2554469a76
--- /dev/null
+++ b/arch/arm/mach-omap2/board-h4.c
@@ -0,0 +1,197 @@
+/*
+ * linux/arch/arm/mach-omap/omap2/board-h4.c
+ *
+ * Copyright (C) 2005 Nokia Corporation
+ * Author: Paul Mundt <paul.mundt@nokia.com>
+ *
+ * Modified from mach-omap/omap1/board-generic.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/delay.h>
+
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/flash.h>
+
+#include <asm/arch/gpio.h>
+#include <asm/arch/mux.h>
+#include <asm/arch/usb.h>
+#include <asm/arch/board.h>
+#include <asm/arch/common.h>
+#include <asm/arch/prcm.h>
+
+#include <asm/io.h>
+#include <asm/delay.h>
+
+static struct mtd_partition h4_partitions[] = {
+ /* bootloader (U-Boot, etc) in first sector */
+ {
+ .name = "bootloader",
+ .offset = 0,
+ .size = SZ_128K,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ },
+ /* bootloader params in the next sector */
+ {
+ .name = "params",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_128K,
+ .mask_flags = 0,
+ },
+ /* kernel */
+ {
+ .name = "kernel",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_2M,
+ .mask_flags = 0
+ },
+ /* file system */
+ {
+ .name = "filesystem",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL,
+ .mask_flags = 0
+ }
+};
+
+static struct flash_platform_data h4_flash_data = {
+ .map_name = "cfi_probe",
+ .width = 2,
+ .parts = h4_partitions,
+ .nr_parts = ARRAY_SIZE(h4_partitions),
+};
+
+static struct resource h4_flash_resource = {
+ .start = H4_CS0_BASE,
+ .end = H4_CS0_BASE + SZ_64M - 1,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device h4_flash_device = {
+ .name = "omapflash",
+ .id = 0,
+ .dev = {
+ .platform_data = &h4_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &h4_flash_resource,
+};
+
+static struct resource h4_smc91x_resources[] = {
+ [0] = {
+ .start = OMAP24XX_ETHR_START, /* Physical */
+ .end = OMAP24XX_ETHR_START + 0xf,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = OMAP_GPIO_IRQ(OMAP24XX_ETHR_GPIO_IRQ),
+ .end = OMAP_GPIO_IRQ(OMAP24XX_ETHR_GPIO_IRQ),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device h4_smc91x_device = {
+ .name = "smc91x",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(h4_smc91x_resources),
+ .resource = h4_smc91x_resources,
+};
+
+static struct platform_device *h4_devices[] __initdata = {
+ &h4_smc91x_device,
+ &h4_flash_device,
+};
+
+static inline void __init h4_init_smc91x(void)
+{
+ /* Make sure CS1 timings are correct */
+ GPMC_CONFIG1_1 = 0x00011200;
+ GPMC_CONFIG2_1 = 0x001f1f01;
+ GPMC_CONFIG3_1 = 0x00080803;
+ GPMC_CONFIG4_1 = 0x1c091c09;
+ GPMC_CONFIG5_1 = 0x041f1f1f;
+ GPMC_CONFIG6_1 = 0x000004c4;
+ GPMC_CONFIG7_1 = 0x00000f40 | (0x08000000 >> 24);
+ udelay(100);
+
+ omap_cfg_reg(M15_24XX_GPIO92);
+ if (omap_request_gpio(OMAP24XX_ETHR_GPIO_IRQ) < 0) {
+ printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
+ OMAP24XX_ETHR_GPIO_IRQ);
+ return;
+ }
+ omap_set_gpio_direction(OMAP24XX_ETHR_GPIO_IRQ, 1);
+}
+
+static void __init omap_h4_init_irq(void)
+{
+ omap_init_irq();
+ omap_gpio_init();
+ h4_init_smc91x();
+}
+
+static struct omap_uart_config h4_uart_config __initdata = {
+ .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
+};
+
+static struct omap_mmc_config h4_mmc_config __initdata = {
+ .mmc [0] = {
+ .enabled = 1,
+ .wire4 = 1,
+ .wp_pin = -1,
+ .power_pin = -1,
+ .switch_pin = -1,
+ },
+};
+
+static struct omap_lcd_config h4_lcd_config __initdata = {
+ .panel_name = "h4",
+ .ctrl_name = "internal",
+};
+
+static struct omap_board_config_kernel h4_config[] = {
+ { OMAP_TAG_UART, &h4_uart_config },
+ { OMAP_TAG_MMC, &h4_mmc_config },
+ { OMAP_TAG_LCD, &h4_lcd_config },
+};
+
+static void __init omap_h4_init(void)
+{
+ /*
+ * Make sure the serial ports are muxed on at this point.
+ * You have to mux them off in device drivers later on
+ * if not needed.
+ */
+ platform_add_devices(h4_devices, ARRAY_SIZE(h4_devices));
+ omap_board_config = h4_config;
+ omap_board_config_size = ARRAY_SIZE(h4_config);
+ omap_serial_init();
+}
+
+static void __init omap_h4_map_io(void)
+{
+ omap_map_common_io();
+}
+
+MACHINE_START(OMAP_H4, "OMAP2420 H4 board")
+ /* Maintainer: Paul Mundt <paul.mundt@nokia.com> */
+ .phys_ram = 0x80000000,
+ .phys_io = 0x48000000,
+ .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
+ .boot_params = 0x80000100,
+ .map_io = omap_h4_map_io,
+ .init_irq = omap_h4_init_irq,
+ .init_machine = omap_h4_init,
+ .timer = &omap_timer,
+MACHINE_END
diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
new file mode 100644
index 00000000000..85818d9f263
--- /dev/null
+++ b/arch/arm/mach-omap2/clock.c
@@ -0,0 +1,1129 @@
+/*
+ * linux/arch/arm/mach-omap2/clock.c
+ *
+ * Copyright (C) 2005 Texas Instruments Inc.
+ * Richard Woodruff <r-woodruff2@ti.com>
+ * Created for OMAP2.
+ *
+ * Cleaned up and modified to use omap shared clock framework by
+ * Tony Lindgren <tony@atomide.com>
+ *
+ * Based on omap1 clock.c, Copyright (C) 2004 - 2005 Nokia corporation
+ * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/list.h>
+#include <linux/errno.h>
+#include <linux/delay.h>
+
+#include <asm/io.h>
+
+#include <asm/hardware/clock.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/sram.h>
+#include <asm/arch/prcm.h>
+
+#include "clock.h"
+
+//#define DOWN_VARIABLE_DPLL 1 /* Experimental */
+
+static struct prcm_config *curr_prcm_set;
+static struct memory_timings mem_timings;
+static u32 curr_perf_level = PRCM_FULL_SPEED;
+
+/*-------------------------------------------------------------------------
+ * Omap2 specific clock functions
+ *-------------------------------------------------------------------------*/
+
+/* Recalculate SYST_CLK */
+static void omap2_sys_clk_recalc(struct clk * clk)
+{
+ u32 div = PRCM_CLKSRC_CTRL;
+ div &= (1 << 7) | (1 << 6); /* Test if ext clk divided by 1 or 2 */
+ div >>= clk->rate_offset;
+ clk->rate = (clk->parent->rate / div);
+ propagate_rate(clk);
+}
+
+static u32 omap2_get_dpll_rate(struct clk * tclk)
+{
+ int dpll_clk, dpll_mult, dpll_div, amult;
+
+ dpll_mult = (CM_CLKSEL1_PLL >> 12) & 0x03ff; /* 10 bits */
+ dpll_div = (CM_CLKSEL1_PLL >> 8) & 0x0f; /* 4 bits */
+ dpll_clk = (tclk->parent->rate * dpll_mult) / (dpll_div + 1);
+ amult = CM_CLKSEL2_PLL & 0x3;
+ dpll_clk *= amult;
+
+ return dpll_clk;
+}
+
+static void omap2_followparent_recalc(struct clk *clk)
+{
+ followparent_recalc(clk);
+}
+
+static void omap2_propagate_rate(struct clk * clk)
+{
+ if (!(clk->flags & RATE_FIXED))
+ clk->rate = clk->parent->rate;
+
+ propagate_rate(clk);
+}
+
+/* Enable an APLL if off */
+static void omap2_clk_fixed_enable(struct clk *clk)
+{
+ u32 cval, i=0;
+
+ if (clk->enable_bit == 0xff) /* Parent will do it */
+ return;
+
+ cval = CM_CLKEN_PLL;
+
+ if ((cval & (0x3 << clk->enable_bit)) == (0x3 << clk->enable_bit))
+ return;
+
+ cval &= ~(0x3 << clk->enable_bit);
+ cval |= (0x3 << clk->enable_bit);
+ CM_CLKEN_PLL = cval;
+
+ if (clk == &apll96_ck)
+ cval = (1 << 8);
+ else if (clk == &apll54_ck)
+ cval = (1 << 6);
+
+ while (!CM_IDLEST_CKGEN & cval) { /* Wait for lock */
+ ++i;
+ udelay(1);
+ if (i == 100000)
+ break;
+ }
+}
+
+/* Enables clock without considering parent dependencies or use count
+ * REVISIT: Maybe change this to use clk->enable like on omap1?
+ */
+static int omap2_clk_enable(struct clk * clk)
+{
+ u32 regval32;
+
+ if (clk->flags & ALWAYS_ENABLED)
+ return 0;
+
+ if (unlikely(clk->enable_reg == 0)) {
+ printk(KERN_ERR "clock.c: Enable for %s without enable code\n",
+ clk->name);
+ return 0;
+ }
+
+ if (clk->enable_reg == (void __iomem *)&CM_CLKEN_PLL) {
+ omap2_clk_fixed_enable(clk);
+ return 0;
+ }
+
+ regval32 = __raw_readl(clk->enable_reg);
+ regval32 |= (1 << clk->enable_bit);
+ __raw_writel(regval32, clk->enable_reg);
+
+ return 0;
+}
+
+/* Stop APLL */
+static void omap2_clk_fixed_disable(struct clk *clk)
+{
+ u32 cval;
+
+ if(clk->enable_bit == 0xff) /* let parent off do it */
+ return;
+
+ cval = CM_CLKEN_PLL;
+ cval &= ~(0x3 << clk->enable_bit);
+ CM_CLKEN_PLL = cval;
+}
+
+/* Disables clock without considering parent dependencies or use count */
+static void omap2_clk_disable(struct clk *clk)
+{
+ u32 regval32;
+
+ if (clk->enable_reg == 0)
+ return;
+
+ if (clk->enable_reg == (void __iomem *)&CM_CLKEN_PLL) {
+ omap2_clk_fixed_disable(clk);
+ return;
+ }
+
+ regval32 = __raw_readl(clk->enable_reg);
+ regval32 &= ~(1 << clk->enable_bit);
+ __raw_writel(regval32, clk->enable_reg);
+}
+
+static int omap2_clk_use(struct clk *clk)
+{
+ int ret = 0;
+
+ if (clk->usecount++ == 0) {
+ if (likely((u32)clk->parent))
+ ret = omap2_clk_use(clk->parent);
+
+ if (unlikely(ret != 0)) {
+ clk->usecount--;
+ return ret;
+ }
+
+ ret = omap2_clk_enable(clk);
+
+ if (unlikely(ret != 0) && clk->parent) {
+ omap2_clk_unuse(clk->parent);
+ clk->usecount--;
+ }
+ }
+
+ return ret;
+}
+
+static void omap2_clk_unuse(struct clk *clk)
+{
+ if (clk->usecount > 0 && !(--clk->usecount)) {
+ omap2_clk_disable(clk);
+ if (likely((u32)clk->parent))
+ omap2_clk_unuse(clk->parent);
+ }
+}
+
+/*
+ * Uses the current prcm set to tell if a rate is valid.
+ * You can go slower, but not faster within a given rate set.
+ */
+static u32 omap2_dpll_round_rate(unsigned long target_rate)
+{
+ u32 high, low;
+
+ if ((CM_CLKSEL2_PLL & 0x3) == 1) { /* DPLL clockout */
+ high = curr_prcm_set->dpll_speed * 2;
+ low = curr_prcm_set->dpll_speed;
+ } else { /* DPLL clockout x 2 */
+ high = curr_prcm_set->dpll_speed;
+ low = curr_prcm_set->dpll_speed / 2;
+ }
+
+#ifdef DOWN_VARIABLE_DPLL
+ if (target_rate > high)
+ return high;
+ else
+ return target_rate;
+#else
+ if (target_rate > low)
+ return high;
+ else
+ return low;
+#endif
+
+}
+
+/*
+ * Used for clocks that are part of CLKSEL_xyz governed clocks.
+ * REVISIT: Maybe change to use clk->enable() functions like on omap1?
+ */
+static void omap2_clksel_recalc(struct clk * clk)
+{
+ u32 fixed = 0, div = 0;
+
+ if (clk == &dpll_ck) {
+ clk->rate = omap2_get_dpll_rate(clk);
+ fixed = 1;
+ div = 0;
+ }
+
+ if (clk == &iva1_mpu_int_ifck) {
+ div = 2;
+ fixed = 1;
+ }
+
+ if ((clk == &dss1_fck) && ((CM_CLKSEL1_CORE & (0x1f << 8)) == 0)) {
+ clk->rate = sys_ck.rate;
+ return;
+ }
+
+ if (!fixed) {
+ div = omap2_clksel_get_divisor(clk);
+ if (div == 0)
+ return;
+ }
+
+ if (div != 0) {
+ if (unlikely(clk->rate == clk->parent->rate / div))
+ return;
+ clk->rate = clk->parent->rate / div;
+ }
+
+ if (unlikely(clk->flags & RATE_PROPAGATES))
+ propagate_rate(clk);
+}
+
+/*
+ * Finds best divider value in an array based on the source and target
+ * rates. The divider array must be sorted with smallest divider first.
+ */
+static inline u32 omap2_divider_from_table(u32 size, u32 *div_array,
+ u32 src_rate, u32 tgt_rate)
+{
+ int i, test_rate;
+
+ if (div_array == NULL)
+ return ~1;
+
+ for (i=0; i < size; i++) {
+ test_rate = src_rate / *div_array;
+ if (test_rate <= tgt_rate)
+ return *div_array;
+ ++div_array;
+ }
+
+ return ~0; /* No acceptable divider */
+}
+
+/*
+ * Find divisor for the given clock and target rate.
+ *
+ * Note that this will not work for clocks which are part of CONFIG_PARTICIPANT,
+ * they are only settable as part of virtual_prcm set.
+ */
+static u32 omap2_clksel_round_rate(struct clk *tclk, u32 target_rate,
+ u32 *new_div)
+{
+ u32 gfx_div[] = {2, 3, 4};
+ u32 sysclkout_div[] = {1, 2, 4, 8, 16};
+ u32 dss1_div[] = {1, 2, 3, 4, 5, 6, 8, 9, 12, 16};
+ u32 vylnq_div[] = {1, 2, 3, 4, 6, 8, 9, 12, 16, 18};
+ u32 best_div = ~0, asize = 0;
+ u32 *div_array = NULL;
+
+ switch (tclk->flags & SRC_RATE_SEL_MASK) {
+ case CM_GFX_SEL1:
+ asize = 3;
+ div_array = gfx_div;
+ break;
+ case CM_PLL_SEL1:
+ return omap2_dpll_round_rate(target_rate);
+ case CM_SYSCLKOUT_SEL1:
+ asize = 5;
+ div_array = sysclkout_div;
+ break;
+ case CM_CORE_SEL1:
+ if(tclk == &dss1_fck){
+ if(tclk->parent == &core_ck){
+ asize = 10;
+ div_array = dss1_div;
+ } else {
+ *new_div = 0; /* fixed clk */
+ return(tclk->parent->rate);
+ }
+ } else if((tclk == &vlynq_fck) && cpu_is_omap2420()){
+ if(tclk->parent == &core_ck){
+ asize = 10;
+ div_array = vylnq_div;
+ } else {
+ *new_div = 0; /* fixed clk */
+ return(tclk->parent->rate);
+ }
+ }
+ break;
+ }
+
+ best_div = omap2_divider_from_table(asize, div_array,
+ tclk->parent->rate, target_rate);
+ if (best_div == ~0){
+ *new_div = 1;
+ return best_div; /* signal error */
+ }
+
+ *new_div = best_div;
+ return (tclk->parent->rate / best_div);
+}
+
+/* Given a clock and a rate apply a clock specific rounding function */
+static long omap2_clk_round_rate(struct clk *clk, unsigned long rate)
+{
+ u32 new_div = 0;
+ int valid_rate;
+
+ if (clk->flags & RATE_FIXED)
+ return clk->rate;
+
+ if (clk->flags & RATE_CKCTL) {
+ valid_rate = omap2_clksel_round_rate(clk, rate, &new_div);
+ return valid_rate;
+ }
+
+ if (clk->round_rate != 0)
+ return clk->round_rate(clk, rate);
+
+ return clk->rate;
+}
+
+/*
+ * Check the DLL lock state, and return tue if running in unlock mode.
+ * This is needed to compenste for the shifted DLL value in unlock mode.
+ */
+static u32 omap2_dll_force_needed(void)
+{
+ u32 dll_state = SDRC_DLLA_CTRL; /* dlla and dllb are a set */
+
+ if ((dll_state & (1 << 2)) == (1 << 2))
+ return 1;
+ else
+ return 0;
+}
+
+static void omap2_init_memory_params(u32 force_lock_to_unlock_mode)
+{
+ unsigned long dll_cnt;
+ u32 fast_dll = 0;
+
+ mem_timings.m_type = !((SDRC_MR_0 & 0x3) == 0x1); /* DDR = 1, SDR = 0 */
+
+ /* 2422 es2.05 and beyond has a single SIP DDR instead of 2 like others.
+ * In the case of 2422, its ok to use CS1 instead of CS0.
+ */
+
+#if 0 /* FIXME: Enable after 24xx cpu detection works */
+ ctype = get_cpu_type();
+ if (cpu_is_omap2422())
+ mem_timings.base_cs = 1;
+ else
+#endif
+ mem_timings.base_cs = 0;
+
+ if (mem_timings.m_type != M_DDR)
+ return;
+
+ /* With DDR we need to determine the low frequency DLL value */
+ if (((mem_timings.fast_dll_ctrl & (1 << 2)) == M_LOCK_CTRL))
+ mem_timings.dll_mode = M_UNLOCK;
+ else
+ mem_timings.dll_mode = M_LOCK;
+
+ if (mem_timings.base_cs == 0) {
+ fast_dll = SDRC_DLLA_CTRL;
+ dll_cnt = SDRC_DLLA_STATUS & 0xff00;
+ } else {
+ fast_dll = SDRC_DLLB_CTRL;
+ dll_cnt = SDRC_DLLB_STATUS & 0xff00;
+ }
+ if (force_lock_to_unlock_mode) {
+ fast_dll &= ~0xff00;
+ fast_dll |= dll_cnt; /* Current lock mode */
+ }
+ mem_timings.fast_dll_ctrl = fast_dll;
+
+ /* No disruptions, DDR will be offline & C-ABI not followed */
+ omap2_sram_ddr_init(&mem_timings.slow_dll_ctrl,
+ mem_timings.fast_dll_ctrl,
+ mem_timings.base_cs,
+ force_lock_to_unlock_mode);
+ mem_timings.slow_dll_ctrl &= 0xff00; /* Keep lock value */
+
+ /* Turn status into unlock ctrl */
+ mem_timings.slow_dll_ctrl |=
+ ((mem_timings.fast_dll_ctrl & 0xF) | (1 << 2));
+
+ /* 90 degree phase for anything below 133Mhz */
+ mem_timings.slow_dll_ctrl |= (1 << 1);
+}
+
+static u32 omap2_reprogram_sdrc(u32 level, u32 force)
+{
+ u32 prev = curr_perf_level, flags;
+
+ if ((curr_perf_level == level) && !force)
+ return prev;
+
+ if (level == PRCM_HALF_SPEED) {
+ local_irq_save(flags);
+ PRCM_VOLTSETUP = 0xffff;
+ omap2_sram_reprogram_sdrc(PRCM_HALF_SPEED,
+ mem_timings.slow_dll_ctrl,
+ mem_timings.m_type);
+ curr_perf_level = PRCM_HALF_SPEED;
+ local_irq_restore(flags);
+ }
+ if (level == PRCM_FULL_SPEED) {
+ local_irq_save(flags);
+ PRCM_VOLTSETUP = 0xffff;
+ omap2_sram_reprogram_sdrc(PRCM_FULL_SPEED,
+ mem_timings.fast_dll_ctrl,
+ mem_timings.m_type);
+ curr_perf_level = PRCM_FULL_SPEED;
+ local_irq_restore(flags);
+ }
+
+ return prev;
+}
+
+static int omap2_reprogram_dpll(struct clk * clk, unsigned long rate)
+{
+ u32 flags, cur_rate, low, mult, div, valid_rate, done_rate;
+ u32 bypass = 0;
+ struct prcm_config tmpset;
+ int ret = -EINVAL;
+
+ local_irq_save(flags);
+ cur_rate = omap2_get_dpll_rate(&dpll_ck);
+ mult = CM_CLKSEL2_PLL & 0x3;
+
+ if ((rate == (cur_rate / 2)) && (mult == 2)) {
+ omap2_reprogram_sdrc(PRCM_HALF_SPEED, 1);
+ } else if ((rate == (cur_rate * 2)) && (mult == 1)) {
+ omap2_reprogram_sdrc(PRCM_FULL_SPEED, 1);
+ } else if (rate != cur_rate) {
+ valid_rate = omap2_dpll_round_rate(rate);
+ if (valid_rate != rate)
+ goto dpll_exit;
+
+ if ((CM_CLKSEL2_PLL & 0x3) == 1)
+ low = curr_prcm_set->dpll_speed;
+ else
+ low = curr_prcm_set->dpll_speed / 2;
+
+ tmpset.cm_clksel1_pll = CM_CLKSEL1_PLL;
+ tmpset.cm_clksel1_pll &= ~(0x3FFF << 8);
+ div = ((curr_prcm_set->xtal_speed / 1000000) - 1);
+ tmpset.cm_clksel2_pll = CM_CLKSEL2_PLL;
+ tmpset.cm_clksel2_pll &= ~0x3;
+ if (rate > low) {
+ tmpset.cm_clksel2_pll |= 0x2;
+ mult = ((rate / 2) / 1000000);
+ done_rate = PRCM_FULL_SPEED;
+ } else {
+ tmpset.cm_clksel2_pll |= 0x1;
+ mult = (rate / 1000000);
+ done_rate = PRCM_HALF_SPEED;
+ }
+ tmpset.cm_clksel1_pll |= ((div << 8) | (mult << 12));
+
+ /* Worst case */
+ tmpset.base_sdrc_rfr = V24XX_SDRC_RFR_CTRL_BYPASS;
+
+ if (rate == curr_prcm_set->xtal_speed) /* If asking for 1-1 */
+ bypass = 1;
+
+ omap2_reprogram_sdrc(PRCM_FULL_SPEED, 1); /* For init_mem */
+
+ /* Force dll lock mode */
+ omap2_set_prcm(tmpset.cm_clksel1_pll, tmpset.base_sdrc_rfr,
+ bypass);
+
+ /* Errata: ret dll entry state */
+ omap2_init_memory_params(omap2_dll_force_needed());
+ omap2_reprogram_sdrc(done_rate, 0);
+ }
+ omap2_clksel_recalc(&dpll_ck);
+ ret = 0;
+
+dpll_exit:
+ local_irq_restore(flags);
+ return(ret);
+}
+
+/* Just return the MPU speed */
+static void omap2_mpu_recalc(struct clk * clk)
+{
+ clk->rate = curr_prcm_set->mpu_speed;
+}
+
+/*
+ * Look for a rate equal or less than the target rate given a configuration set.
+ *
+ * What's not entirely clear is "which" field represents the key field.
+ * Some might argue L3-DDR, others ARM, others IVA. This code is simple and
+ * just uses the ARM rates.
+ */
+static long omap2_round_to_table_rate(struct clk * clk, unsigned long rate)
+{
+ struct prcm_config * ptr;
+ long highest_rate;
+
+ if (clk != &virt_prcm_set)
+ return -EINVAL;
+
+ highest_rate = -EINVAL;
+
+ for (ptr = rate_table; ptr->mpu_speed; ptr++) {
+ if (ptr->xtal_speed != sys_ck.rate)
+ continue;
+
+ highest_rate = ptr->mpu_speed;
+
+ /* Can check only after xtal frequency check */
+ if (ptr->mpu_speed <= rate)
+ break;
+ }
+ return highest_rate;
+}
+
+/*
+ * omap2_convert_field_to_div() - turn field value into integer divider
+ */
+static u32 omap2_clksel_to_divisor(u32 div_sel, u32 field_val)
+{
+ u32 i;
+ u32 clkout_array[] = {1, 2, 4, 8, 16};
+
+ if ((div_sel & SRC_RATE_SEL_MASK) == CM_SYSCLKOUT_SEL1) {
+ for (i = 0; i < 5; i++) {
+ if (field_val == i)
+ return clkout_array[i];
+ }
+ return ~0;
+ } else
+ return field_val;
+}
+
+/*
+ * Returns the CLKSEL divider register value
+ * REVISIT: This should be cleaned up to work nicely with void __iomem *
+ */
+static u32 omap2_get_clksel(u32 *div_sel, u32 *field_mask,
+ struct clk *clk)
+{
+ int ret = ~0;
+ u32 reg_val, div_off;
+ u32 div_addr = 0;
+ u32 mask = ~0;
+
+ div_off = clk->rate_offset;
+
+ switch ((*div_sel & SRC_RATE_SEL_MASK)) {
+ case CM_MPU_SEL1:
+ div_addr = (u32)&CM_CLKSEL_MPU;
+ mask = 0x1f;
+ break;
+ case CM_DSP_SEL1:
+ div_addr = (u32)&CM_CLKSEL_DSP;
+ if (cpu_is_omap2420()) {
+ if ((div_off == 0) || (div_off == 8))
+ mask = 0x1f;
+ else if (div_off == 5)
+ mask = 0x3;
+ } else if (cpu_is_omap2430()) {
+ if (div_off == 0)
+ mask = 0x1f;
+ else if (div_off == 5)
+ mask = 0x3;
+ }
+ break;
+ case CM_GFX_SEL1:
+ div_addr = (u32)&CM_CLKSEL_GFX;
+ if (div_off == 0)
+ mask = 0x7;
+ break;
+ case CM_MODEM_SEL1:
+ div_addr = (u32)&CM_CLKSEL_MDM;
+ if (div_off == 0)
+ mask = 0xf;
+ break;
+ case CM_SYSCLKOUT_SEL1:
+ div_addr = (u32)&PRCM_CLKOUT_CTRL;
+ if ((div_off == 3) || (div_off = 11))
+ mask= 0x3;
+ break;
+ case CM_CORE_SEL1:
+ div_addr = (u32)&CM_CLKSEL1_CORE;
+ switch (div_off) {
+ case 0: /* l3 */
+ case 8: /* dss1 */
+ case 15: /* vylnc-2420 */
+ case 20: /* ssi */
+ mask = 0x1f; break;
+ case 5: /* l4 */
+ mask = 0x3; break;
+ case 13: /* dss2 */
+ mask = 0x1; break;
+ case 25: /* usb */
+ mask = 0xf; break;
+ }
+ }
+
+ *field_mask = mask;
+
+ if (unlikely(mask == ~0))
+ div_addr = 0;
+
+ *div_sel = div_addr;
+
+ if (unlikely(div_addr == 0))
+ return ret;
+
+ /* Isolate field */
+ reg_val = __raw_readl((void __iomem *)div_addr) & (mask << div_off);
+
+ /* Normalize back to divider value */
+ reg_val >>= div_off;
+
+ return reg_val;
+}
+
+/*
+ * Return divider to be applied to parent clock.
+ * Return 0 on error.
+ */
+static u32 omap2_clksel_get_divisor(struct clk *clk)
+{
+ int ret = 0;
+ u32 div, div_sel, div_off, field_mask, field_val;
+
+ /* isolate control register */
+ div_sel = (SRC_RATE_SEL_MASK & clk->flags);
+
+ div_off = clk->rate_offset;
+ field_val = omap2_get_clksel(&div_sel, &field_mask, clk);
+ if (div_sel == 0)
+ return ret;
+
+ div_sel = (SRC_RATE_SEL_MASK & clk->flags);
+ div = omap2_clksel_to_divisor(div_sel, field_val);
+
+ return div;
+}
+
+/* Set the clock rate for a clock source */
+static int omap2_clk_set_rate(struct clk *clk, unsigned long rate)
+
+{
+ int ret = -EINVAL;
+ void __iomem * reg;
+ u32 div_sel, div_off, field_mask, field_val, reg_val, validrate;
+ u32 new_div = 0;
+
+ if (!(clk->flags & CONFIG_PARTICIPANT) && (clk->flags & RATE_CKCTL)) {
+ if (clk == &dpll_ck)
+ return omap2_reprogram_dpll(clk, rate);
+
+ /* Isolate control register */
+ div_sel = (SRC_RATE_SEL_MASK & clk->flags);
+ div_off = clk->src_offset;
+
+ validrate = omap2_clksel_round_rate(clk, rate, &new_div);
+ if(validrate != rate)
+ return(ret);
+
+ field_val = omap2_get_clksel(&div_sel, &field_mask, clk);
+ if (div_sel == 0)
+ return ret;
+
+ if(clk->flags & CM_SYSCLKOUT_SEL1){
+ switch(new_div){
+ case 16: field_val = 4; break;
+ case 8: field_val = 3; break;
+ case 4: field_val = 2; break;
+ case 2: field_val = 1; break;
+ case 1: field_val = 0; break;
+ }
+ }
+ else
+ field_val = new_div;
+
+ reg = (void __iomem *)div_sel;
+
+ reg_val = __raw_readl(reg);
+ reg_val &= ~(field_mask << div_off);
+ reg_val |= (field_val << div_off);
+
+ __raw_writel(reg_val, reg);
+ clk->rate = clk->parent->rate / field_val;
+
+ if (clk->flags & DELAYED_APP)
+ __raw_writel(0x1, (void __iomem *)&PRCM_CLKCFG_CTRL);
+ ret = 0;
+ } else if (clk->set_rate != 0)
+ ret = clk->set_rate(clk, rate);
+
+ if (unlikely(ret == 0 && (clk->flags & RATE_PROPAGATES)))
+ propagate_rate(clk);
+
+ return ret;
+}
+
+/* Converts encoded control register address into a full address */
+static u32 omap2_get_src_field(u32 *type_to_addr, u32 reg_offset,
+ struct clk *src_clk, u32 *field_mask)
+{
+ u32 val = ~0, src_reg_addr = 0, mask = 0;
+
+ /* Find target control register.*/
+ switch ((*type_to_addr & SRC_RATE_SEL_MASK)) {
+ case CM_CORE_SEL1:
+ src_reg_addr = (u32)&CM_CLKSEL1_CORE;
+ if (reg_offset == 13) { /* DSS2_fclk */
+ mask = 0x1;
+ if (src_clk == &sys_ck)
+ val = 0;
+ if (src_clk == &func_48m_ck)
+ val = 1;
+ } else if (reg_offset == 8) { /* DSS1_fclk */
+ mask = 0x1f;
+ if (src_clk == &sys_ck)
+ val = 0;
+ else if (src_clk == &core_ck) /* divided clock */
+ val = 0x10; /* rate needs fixing */
+ } else if ((reg_offset == 15) && cpu_is_omap2420()){ /*vlnyq*/
+ mask = 0x1F;
+ if(src_clk == &func_96m_ck)
+ val = 0;
+ else if (src_clk == &core_ck)
+ val = 0x10;
+ }
+ break;
+ case CM_CORE_SEL2:
+ src_reg_addr = (u32)&CM_CLKSEL2_CORE;
+ mask = 0x3;
+ if (src_clk == &func_32k_ck)
+ val = 0x0;
+ if (src_clk == &sys_ck)
+ val = 0x1;
+ if (src_clk == &alt_ck)
+ val = 0x2;
+ break;
+ case CM_WKUP_SEL1:
+ src_reg_addr = (u32)&CM_CLKSEL2_CORE;
+ mask = 0x3;
+ if (src_clk == &func_32k_ck)
+ val = 0x0;
+ if (src_clk == &sys_ck)
+ val = 0x1;
+ if (src_clk == &alt_ck)
+ val = 0x2;
+ break;
+ case CM_PLL_SEL1:
+ src_reg_addr = (u32)&CM_CLKSEL1_PLL;
+ mask = 0x1;
+ if (reg_offset == 0x3) {
+ if (src_clk == &apll96_ck)
+ val = 0;
+ if (src_clk == &alt_ck)
+ val = 1;
+ }
+ else if (reg_offset == 0x5) {
+ if (src_clk == &apll54_ck)
+ val = 0;
+ if (src_clk == &alt_ck)
+ val = 1;
+ }
+ break;
+ case CM_PLL_SEL2:
+ src_reg_addr = (u32)&CM_CLKSEL2_PLL;
+ mask = 0x3;
+ if (src_clk == &func_32k_ck)
+ val = 0x0;
+ if (src_clk == &dpll_ck)
+ val = 0x2;
+ break;
+ case CM_SYSCLKOUT_SEL1:
+ src_reg_addr = (u32)&PRCM_CLKOUT_CTRL;
+ mask = 0x3;
+ if (src_clk == &dpll_ck)
+ val = 0;
+ if (src_clk == &sys_ck)
+ val = 1;
+ if (src_clk == &func_54m_ck)
+ val = 2;
+ if (src_clk == &func_96m_ck)
+ val = 3;
+ break;
+ }
+
+ if (val == ~0) /* Catch errors in offset */
+ *type_to_addr = 0;
+ else
+ *type_to_addr = src_reg_addr;
+ *field_mask = mask;
+
+ return val;
+}
+
+static int omap2_clk_set_parent(struct clk *clk, struct clk *new_parent)
+{
+ void __iomem * reg;
+ u32 src_sel, src_off, field_val, field_mask, reg_val, rate;
+ int ret = -EINVAL;
+
+ if (unlikely(clk->flags & CONFIG_PARTICIPANT))
+ return ret;
+
+ if (clk->flags & SRC_SEL_MASK) { /* On-chip SEL collection */
+ src_sel = (SRC_RATE_SEL_MASK & clk->flags);
+ src_off = clk->src_offset;
+
+ if (src_sel == 0)
+ goto set_parent_error;
+
+ field_val = omap2_get_src_field(&src_sel, src_off, new_parent,
+ &field_mask);
+
+ reg = (void __iomem *)src_sel;
+
+ if (clk->usecount > 0)
+ omap2_clk_disable(clk);
+
+ /* Set new source value (previous dividers if any in effect) */
+ reg_val = __raw_readl(reg) & ~(field_mask << src_off);
+ reg_val |= (field_val << src_off);
+ __raw_writel(reg_val, reg);
+
+ if (clk->flags & DELAYED_APP)
+ __raw_writel(0x1, (void __iomem *)&PRCM_CLKCFG_CTRL);
+
+ if (clk->usecount > 0)
+ omap2_clk_enable(clk);
+
+ clk->parent = new_parent;
+
+ /* SRC_RATE_SEL_MASK clocks follow their parents rates.*/
+ if ((new_parent == &core_ck) && (clk == &dss1_fck))
+ clk->rate = new_parent->rate / 0x10;
+ else
+ clk->rate = new_parent->rate;
+
+ if (unlikely(clk->flags & RATE_PROPAGATES))
+ propagate_rate(clk);
+
+ return 0;
+ } else {
+ clk->parent = new_parent;
+ rate = new_parent->rate;
+ omap2_clk_set_rate(clk, rate);
+ ret = 0;
+ }
+
+ set_parent_error:
+ return ret;
+}
+
+/* Sets basic clocks based on the specified rate */
+static int omap2_select_table_rate(struct clk * clk, unsigned long rate)
+{
+ u32 flags, cur_rate, done_rate, bypass = 0;
+ u8 cpu_mask = 0;
+ struct prcm_config *prcm;
+ unsigned long found_speed = 0;
+
+ if (clk != &virt_prcm_set)
+ return -EINVAL;
+
+ /* FIXME: Change cpu_is_omap2420() to cpu_is_omap242x() */
+ if (cpu_is_omap2420())
+ cpu_mask = RATE_IN_242X;
+ else if (cpu_is_omap2430())
+ cpu_mask = RATE_IN_243X;
+
+ for (prcm = rate_table; prcm->mpu_speed; prcm++) {
+ if (!(prcm->flags & cpu_mask))
+ continue;
+
+ if (prcm->xtal_speed != sys_ck.rate)
+ continue;
+
+ if (prcm->mpu_speed <= rate) {
+ found_speed = prcm->mpu_speed;
+ break;
+ }
+ }
+
+ if (!found_speed) {
+ printk(KERN_INFO "Could not set MPU rate to %luMHz\n",
+ rate / 1000000);
+ return -EINVAL;
+ }
+
+ curr_prcm_set = prcm;
+ cur_rate = omap2_get_dpll_rate(&dpll_ck);
+
+ if (prcm->dpll_speed == cur_rate / 2) {
+ omap2_reprogram_sdrc(PRCM_HALF_SPEED, 1);
+ } else if (prcm->dpll_speed == cur_rate * 2) {
+ omap2_reprogram_sdrc(PRCM_FULL_SPEED, 1);
+ } else if (prcm->dpll_speed != cur_rate) {
+ local_irq_save(flags);
+
+ if (prcm->dpll_speed == prcm->xtal_speed)
+ bypass = 1;
+
+ if ((prcm->cm_clksel2_pll & 0x3) == 2)
+ done_rate = PRCM_FULL_SPEED;
+ else
+ done_rate = PRCM_HALF_SPEED;
+
+ /* MPU divider */
+ CM_CLKSEL_MPU = prcm->cm_clksel_mpu;
+
+ /* dsp + iva1 div(2420), iva2.1(2430) */
+ CM_CLKSEL_DSP = prcm->cm_clksel_dsp;
+
+ CM_CLKSEL_GFX = prcm->cm_clksel_gfx;
+
+ /* Major subsystem dividers */
+ CM_CLKSEL1_CORE = prcm->cm_clksel1_core;
+ if (cpu_is_omap2430())
+ CM_CLKSEL_MDM = prcm->cm_clksel_mdm;
+
+ /* x2 to enter init_mem */
+ omap2_reprogram_sdrc(PRCM_FULL_SPEED, 1);
+
+ omap2_set_prcm(prcm->cm_clksel1_pll, prcm->base_sdrc_rfr,
+ bypass);
+
+ omap2_init_memory_params(omap2_dll_force_needed());
+ omap2_reprogram_sdrc(done_rate, 0);
+
+ local_irq_restore(flags);
+ }
+ omap2_clksel_recalc(&dpll_ck);
+
+ return 0;
+}
+
+/*-------------------------------------------------------------------------
+ * Omap2 clock reset and init functions
+ *-------------------------------------------------------------------------*/
+
+static struct clk_functions omap2_clk_functions = {
+ .clk_enable = omap2_clk_enable,
+ .clk_disable = omap2_clk_disable,
+ .clk_use = omap2_clk_use,
+ .clk_unuse = omap2_clk_unuse,
+ .clk_round_rate = omap2_clk_round_rate,
+ .clk_set_rate = omap2_clk_set_rate,
+ .clk_set_parent = omap2_clk_set_parent,
+};
+
+static void __init omap2_get_crystal_rate(struct clk *osc, struct clk *sys)
+{
+ u32 div, aplls, sclk = 13000000;
+
+ aplls = CM_CLKSEL1_PLL;
+ aplls &= ((1 << 23) | (1 << 24) | (1 << 25));
+ aplls >>= 23; /* Isolate field, 0,2,3 */
+
+ if (aplls == 0)
+ sclk = 19200000;
+ else if (aplls == 2)
+ sclk = 13000000;
+ else if (aplls == 3)
+ sclk = 12000000;
+
+ div = PRCM_CLKSRC_CTRL;
+ div &= ((1 << 7) | (1 << 6));
+ div >>= sys->rate_offset;
+
+ osc->rate = sclk * div;
+ sys->rate = sclk;
+}
+
+#ifdef CONFIG_OMAP_RESET_CLOCKS
+static void __init omap2_disable_unused_clocks(void)
+{
+ struct clk *ck;
+ u32 regval32;
+
+ list_for_each_entry(ck, &clocks, node) {
+ if (ck->usecount > 0 || (ck->flags & ALWAYS_ENABLED) ||
+ ck->enable_reg == 0)
+ continue;
+
+ regval32 = __raw_readl(ck->enable_reg);
+ if ((regval32 & (1 << ck->enable_bit)) == 0)
+ continue;
+
+ printk(KERN_INFO "Disabling unused clock \"%s\"\n", ck->name);
+ omap2_clk_disable(ck);
+ }
+}
+late_initcall(omap2_disable_unused_clocks);
+#endif
+
+/*
+ * Switch the MPU rate if specified on cmdline.
+ * We cannot do this early until cmdline is parsed.
+ */
+static int __init omap2_clk_arch_init(void)
+{
+ if (!mpurate)
+ return -EINVAL;
+
+ if (omap2_select_table_rate(&virt_prcm_set, mpurate))
+ printk(KERN_ERR "Could not find matching MPU rate\n");
+
+ propagate_rate(&osc_ck); /* update main root fast */
+ propagate_rate(&func_32k_ck); /* update main root slow */
+
+ printk(KERN_INFO "Switched to new clocking rate (Crystal/DPLL/MPU): "
+ "%ld.%01ld/%ld/%ld MHz\n",
+ (sys_ck.rate / 1000000), (sys_ck.rate / 100000) % 10,
+ (dpll_ck.rate / 1000000), (mpu_ck.rate / 1000000)) ;
+
+ return 0;
+}
+arch_initcall(omap2_clk_arch_init);
+
+int __init omap2_clk_init(void)
+{
+ struct prcm_config *prcm;
+ struct clk ** clkp;
+ u32 clkrate;
+
+ clk_init(&omap2_clk_functions);
+ omap2_get_crystal_rate(&osc_ck, &sys_ck);
+
+ for (clkp = onchip_clks; clkp < onchip_clks + ARRAY_SIZE(onchip_clks);
+ clkp++) {
+
+ if ((*clkp)->flags & CLOCK_IN_OMAP242X && cpu_is_omap2420()) {
+ clk_register(*clkp);
+ continue;
+ }
+
+ if ((*clkp)->flags & CLOCK_IN_OMAP243X && cpu_is_omap2430()) {
+ clk_register(*clkp);
+ continue;
+ }
+ }
+
+ /* Check the MPU rate set by bootloader */
+ clkrate = omap2_get_dpll_rate(&dpll_ck);
+ for (prcm = rate_table; prcm->mpu_speed; prcm++) {
+ if (prcm->xtal_speed != sys_ck.rate)
+ continue;
+ if (prcm->dpll_speed <= clkrate)
+ break;
+ }
+ curr_prcm_set = prcm;
+
+ propagate_rate(&osc_ck); /* update main root fast */
+ propagate_rate(&func_32k_ck); /* update main root slow */
+
+ printk(KERN_INFO "Clocking rate (Crystal/DPLL/MPU): "
+ "%ld.%01ld/%ld/%ld MHz\n",
+ (sys_ck.rate / 1000000), (sys_ck.rate / 100000) % 10,
+ (dpll_ck.rate / 1000000), (mpu_ck.rate / 1000000)) ;
+
+ /*
+ * Only enable those clocks we will need, let the drivers
+ * enable other clocks as necessary
+ */
+ clk_use(&sync_32k_ick);
+ clk_use(&omapctrl_ick);
+ if (cpu_is_omap2430())
+ clk_use(&sdrc_ick);
+
+ return 0;
+}
diff --git a/arch/arm/mach-omap2/clock.h b/arch/arm/mach-omap2/clock.h
new file mode 100644
index 00000000000..4aeab5591bd
--- /dev/null
+++ b/arch/arm/mach-omap2/clock.h
@@ -0,0 +1,2103 @@
+/*
+ * linux/arch/arm/mach-omap24xx/clock.h
+ *
+ * Copyright (C) 2005 Texas Instruments Inc.
+ * Richard Woodruff <r-woodruff2@ti.com>
+ * Created for OMAP2.
+ *
+ * Copyright (C) 2004 Nokia corporation
+ * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
+ * Based on clocks.h by Tony Lindgren, Gordon McNutt and RidgeRun, Inc
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __ARCH_ARM_MACH_OMAP2_CLOCK_H
+#define __ARCH_ARM_MACH_OMAP2_CLOCK_H
+
+static void omap2_sys_clk_recalc(struct clk * clk);
+static void omap2_clksel_recalc(struct clk * clk);
+static void omap2_followparent_recalc(struct clk * clk);
+static void omap2_propagate_rate(struct clk * clk);
+static void omap2_mpu_recalc(struct clk * clk);
+static int omap2_select_table_rate(struct clk * clk, unsigned long rate);
+static long omap2_round_to_table_rate(struct clk * clk, unsigned long rate);
+static void omap2_clk_unuse(struct clk *clk);
+static void omap2_sys_clk_recalc(struct clk * clk);
+static u32 omap2_clksel_to_divisor(u32 div_sel, u32 field_val);
+static u32 omap2_clksel_get_divisor(struct clk *clk);
+
+
+#define RATE_IN_242X (1 << 0)
+#define RATE_IN_243X (1 << 1)
+
+/* Memory timings */
+#define M_DDR 1
+#define M_LOCK_CTRL (1 << 2)
+#define M_UNLOCK 0
+#define M_LOCK 1
+
+struct memory_timings {
+ u32 m_type; /* ddr = 1, sdr = 0 */
+ u32 dll_mode; /* use lock mode = 1, unlock mode = 0 */
+ u32 slow_dll_ctrl; /* unlock mode, dll value for slow speed */
+ u32 fast_dll_ctrl; /* unlock mode, dll value for fast speed */
+ u32 base_cs; /* base chip select to use for calculations */
+};
+
+/* Key dividers which make up a PRCM set. Ratio's for a PRCM are mandated.
+ * xtal_speed, dpll_speed, mpu_speed, CM_CLKSEL_MPU,CM_CLKSEL_DSP
+ * CM_CLKSEL_GFX, CM_CLKSEL1_CORE, CM_CLKSEL1_PLL CM_CLKSEL2_PLL, CM_CLKSEL_MDM
+ */
+struct prcm_config {
+ unsigned long xtal_speed; /* crystal rate */
+ unsigned long dpll_speed; /* dpll: out*xtal*M/(N-1)table_recalc */
+ unsigned long mpu_speed; /* speed of MPU */
+ unsigned long cm_clksel_mpu; /* mpu divider */
+ unsigned long cm_clksel_dsp; /* dsp+iva1 div(2420), iva2.1(2430) */
+ unsigned long cm_clksel_gfx; /* gfx dividers */
+ unsigned long cm_clksel1_core; /* major subsystem dividers */
+ unsigned long cm_clksel1_pll; /* m,n */
+ unsigned long cm_clksel2_pll; /* dpllx1 or x2 out */
+ unsigned long cm_clksel_mdm; /* modem dividers 2430 only */
+ unsigned long base_sdrc_rfr; /* base refresh timing for a set */
+ unsigned char flags;
+};
+
+/* Mask for clksel which support parent settign in set_rate */
+#define SRC_SEL_MASK (CM_CORE_SEL1 | CM_CORE_SEL2 | CM_WKUP_SEL1 | \
+ CM_PLL_SEL1 | CM_PLL_SEL2 | CM_SYSCLKOUT_SEL1)
+
+/* Mask for clksel regs which support rate operations */
+#define SRC_RATE_SEL_MASK (CM_MPU_SEL1 | CM_DSP_SEL1 | CM_GFX_SEL1 | \
+ CM_MODEM_SEL1 | CM_CORE_SEL1 | CM_CORE_SEL2 | \
+ CM_WKUP_SEL1 | CM_PLL_SEL1 | CM_PLL_SEL2 | \
+ CM_SYSCLKOUT_SEL1)
+
+/*
+ * The OMAP2 processor can be run at several discrete 'PRCM configurations'.
+ * These configurations are characterized by voltage and speed for clocks.
+ * The device is only validated for certain combinations. One way to express
+ * these combinations is via the 'ratio's' which the clocks operate with
+ * respect to each other. These ratio sets are for a given voltage/DPLL
+ * setting. All configurations can be described by a DPLL setting and a ratio
+ * There are 3 ratio sets for the 2430 and X ratio sets for 2420.
+ *
+ * 2430 differs from 2420 in that there are no more phase synchronizers used.
+ * They both have a slightly different clock domain setup. 2420(iva1,dsp) vs
+ * 2430 (iva2.1, NOdsp, mdm)
+ */
+
+/* Core fields for cm_clksel, not ratio governed */
+#define RX_CLKSEL_DSS1 (0x10 << 8)
+#define RX_CLKSEL_DSS2 (0x0 << 13)
+#define RX_CLKSEL_SSI (0x5 << 20)
+
+/*-------------------------------------------------------------------------
+ * Voltage/DPLL ratios
+ *-------------------------------------------------------------------------*/
+
+/* 2430 Ratio's, 2430-Ratio Config 1 */
+#define R1_CLKSEL_L3 (4 << 0)
+#define R1_CLKSEL_L4 (2 << 5)
+#define R1_CLKSEL_USB (4 << 25)
+#define R1_CM_CLKSEL1_CORE_VAL R1_CLKSEL_USB | RX_CLKSEL_SSI | \
+ RX_CLKSEL_DSS2 | RX_CLKSEL_DSS1 | \
+ R1_CLKSEL_L4 | R1_CLKSEL_L3
+#define R1_CLKSEL_MPU (2 << 0)
+#define R1_CM_CLKSEL_MPU_VAL R1_CLKSEL_MPU
+#define R1_CLKSEL_DSP (2 << 0)
+#define R1_CLKSEL_DSP_IF (2 << 5)
+#define R1_CM_CLKSEL_DSP_VAL R1_CLKSEL_DSP | R1_CLKSEL_DSP_IF
+#define R1_CLKSEL_GFX (2 << 0)
+#define R1_CM_CLKSEL_GFX_VAL R1_CLKSEL_GFX
+#define R1_CLKSEL_MDM (4 << 0)
+#define R1_CM_CLKSEL_MDM_VAL R1_CLKSEL_MDM
+
+/* 2430-Ratio Config 2 */
+#define R2_CLKSEL_L3 (6 << 0)
+#define R2_CLKSEL_L4 (2 << 5)
+#define R2_CLKSEL_USB (2 << 25)
+#define R2_CM_CLKSEL1_CORE_VAL R2_CLKSEL_USB | RX_CLKSEL_SSI | \
+ RX_CLKSEL_DSS2 | RX_CLKSEL_DSS1 | \
+ R2_CLKSEL_L4 | R2_CLKSEL_L3
+#define R2_CLKSEL_MPU (2 << 0)
+#define R2_CM_CLKSEL_MPU_VAL R2_CLKSEL_MPU
+#define R2_CLKSEL_DSP (2 << 0)
+#define R2_CLKSEL_DSP_IF (3 << 5)
+#define R2_CM_CLKSEL_DSP_VAL R2_CLKSEL_DSP | R2_CLKSEL_DSP_IF
+#define R2_CLKSEL_GFX (2 << 0)
+#define R2_CM_CLKSEL_GFX_VAL R2_CLKSEL_GFX
+#define R2_CLKSEL_MDM (6 << 0)
+#define R2_CM_CLKSEL_MDM_VAL R2_CLKSEL_MDM
+
+/* 2430-Ratio Bootm (BYPASS) */
+#define RB_CLKSEL_L3 (1 << 0)
+#define RB_CLKSEL_L4 (1 << 5)
+#define RB_CLKSEL_USB (1 << 25)
+#define RB_CM_CLKSEL1_CORE_VAL RB_CLKSEL_USB | RX_CLKSEL_SSI | \
+ RX_CLKSEL_DSS2 | RX_CLKSEL_DSS1 | \
+ RB_CLKSEL_L4 | RB_CLKSEL_L3
+#define RB_CLKSEL_MPU (1 << 0)
+#define RB_CM_CLKSEL_MPU_VAL RB_CLKSEL_MPU
+#define RB_CLKSEL_DSP (1 << 0)
+#define RB_CLKSEL_DSP_IF (1 << 5)
+#define RB_CM_CLKSEL_DSP_VAL RB_CLKSEL_DSP | RB_CLKSEL_DSP_IF
+#define RB_CLKSEL_GFX (1 << 0)
+#define RB_CM_CLKSEL_GFX_VAL RB_CLKSEL_GFX
+#define RB_CLKSEL_MDM (1 << 0)
+#define RB_CM_CLKSEL_MDM_VAL RB_CLKSEL_MDM
+
+/* 2420 Ratio Equivalents */
+#define RXX_CLKSEL_VLYNQ (0x12 << 15)
+#define RXX_CLKSEL_SSI (0x8 << 20)
+
+/* 2420-PRCM III 532MHz core */
+#define RIII_CLKSEL_L3 (4 << 0) /* 133MHz */
+#define RIII_CLKSEL_L4 (2 << 5) /* 66.5MHz */
+#define RIII_CLKSEL_USB (4 << 25) /* 33.25MHz */
+#define RIII_CM_CLKSEL1_CORE_VAL RIII_CLKSEL_USB | RXX_CLKSEL_SSI | \
+ RXX_CLKSEL_VLYNQ | RX_CLKSEL_DSS2 | \
+ RX_CLKSEL_DSS1 | RIII_CLKSEL_L4 | \
+ RIII_CLKSEL_L3
+#define RIII_CLKSEL_MPU (2 << 0) /* 266MHz */
+#define RIII_CM_CLKSEL_MPU_VAL RIII_CLKSEL_MPU
+#define RIII_CLKSEL_DSP (3 << 0) /* c5x - 177.3MHz */
+#define RIII_CLKSEL_DSP_IF (2 << 5) /* c5x - 88.67MHz */
+#define RIII_SYNC_DSP (1 << 7) /* Enable sync */
+#define RIII_CLKSEL_IVA (6 << 8) /* iva1 - 88.67MHz */
+#define RIII_SYNC_IVA (1 << 13) /* Enable sync */
+#define RIII_CM_CLKSEL_DSP_VAL RIII_SYNC_IVA | RIII_CLKSEL_IVA | \
+ RIII_SYNC_DSP | RIII_CLKSEL_DSP_IF | \
+ RIII_CLKSEL_DSP
+#define RIII_CLKSEL_GFX (2 << 0) /* 66.5MHz */
+#define RIII_CM_CLKSEL_GFX_VAL RIII_CLKSEL_GFX
+
+/* 2420-PRCM II 600MHz core */
+#define RII_CLKSEL_L3 (6 << 0) /* 100MHz */
+#define RII_CLKSEL_L4 (2 << 5) /* 50MHz */
+#define RII_CLKSEL_USB (2 << 25) /* 50MHz */
+#define RII_CM_CLKSEL1_CORE_VAL RII_CLKSEL_USB | \
+ RXX_CLKSEL_SSI | RXX_CLKSEL_VLYNQ | \
+ RX_CLKSEL_DSS2 | RX_CLKSEL_DSS1 | \
+ RII_CLKSEL_L4 | RII_CLKSEL_L3
+#define RII_CLKSEL_MPU (2 << 0) /* 300MHz */
+#define RII_CM_CLKSEL_MPU_VAL RII_CLKSEL_MPU
+#define RII_CLKSEL_DSP (3 << 0) /* c5x - 200MHz */
+#define RII_CLKSEL_DSP_IF (2 << 5) /* c5x - 100MHz */
+#define RII_SYNC_DSP (0 << 7) /* Bypass sync */
+#define RII_CLKSEL_IVA (6 << 8) /* iva1 - 200MHz */
+#define RII_SYNC_IVA (0 << 13) /* Bypass sync */
+#define RII_CM_CLKSEL_DSP_VAL RII_SYNC_IVA | RII_CLKSEL_IVA | \
+ RII_SYNC_DSP | RII_CLKSEL_DSP_IF | \
+ RII_CLKSEL_DSP
+#define RII_CLKSEL_GFX (2 << 0) /* 50MHz */
+#define RII_CM_CLKSEL_GFX_VAL RII_CLKSEL_GFX
+
+/* 2420-PRCM VII (boot) */
+#define RVII_CLKSEL_L3 (1 << 0)
+#define RVII_CLKSEL_L4 (1 << 5)
+#define RVII_CLKSEL_DSS1 (1 << 8)
+#define RVII_CLKSEL_DSS2 (0 << 13)
+#define RVII_CLKSEL_VLYNQ (1 << 15)
+#define RVII_CLKSEL_SSI (1 << 20)
+#define RVII_CLKSEL_USB (1 << 25)
+
+#define RVII_CM_CLKSEL1_CORE_VAL RVII_CLKSEL_USB | RVII_CLKSEL_SSI | \
+ RVII_CLKSEL_VLYNQ | RVII_CLKSEL_DSS2 | \
+ RVII_CLKSEL_DSS1 | RVII_CLKSEL_L4 | RVII_CLKSEL_L3
+
+#define RVII_CLKSEL_MPU (1 << 0) /* all divide by 1 */
+#define RVII_CM_CLKSEL_MPU_VAL RVII_CLKSEL_MPU
+
+#define RVII_CLKSEL_DSP (1 << 0)
+#define RVII_CLKSEL_DSP_IF (1 << 5)
+#define RVII_SYNC_DSP (0 << 7)
+#define RVII_CLKSEL_IVA (1 << 8)
+#define RVII_SYNC_IVA (0 << 13)
+#define RVII_CM_CLKSEL_DSP_VAL RVII_SYNC_IVA | RVII_CLKSEL_IVA | RVII_SYNC_DSP | \
+ RVII_CLKSEL_DSP_IF | RVII_CLKSEL_DSP
+
+#define RVII_CLKSEL_GFX (1 << 0)
+#define RVII_CM_CLKSEL_GFX_VAL RVII_CLKSEL_GFX
+
+/*-------------------------------------------------------------------------
+ * 2430 Target modes: Along with each configuration the CPU has several
+ * modes which goes along with them. Modes mainly are the addition of
+ * describe DPLL combinations to go along with a ratio.
+ *-------------------------------------------------------------------------*/
+
+/* Hardware governed */
+#define MX_48M_SRC (0 << 3)
+#define MX_54M_SRC (0 << 5)
+#define MX_APLLS_CLIKIN_12 (3 << 23)
+#define MX_APLLS_CLIKIN_13 (2 << 23)
+#define MX_APLLS_CLIKIN_19_2 (0 << 23)
+
+/*
+ * 2430 - standalone, 2*ref*M/(n+1), M/N is for exactness not relock speed
+ * #2 (ratio1) baseport-target
+ * #5a (ratio1) baseport-target, target DPLL = 266*2 = 532MHz
+ */
+#define M5A_DPLL_MULT_12 (133 << 12)
+#define M5A_DPLL_DIV_12 (5 << 8)
+#define M5A_CM_CLKSEL1_PLL_12_VAL MX_48M_SRC | MX_54M_SRC | \
+ M5A_DPLL_DIV_12 | M5A_DPLL_MULT_12 | \
+ MX_APLLS_CLIKIN_12
+#define M5A_DPLL_MULT_13 (266 << 12)
+#define M5A_DPLL_DIV_13 (12 << 8)
+#define M5A_CM_CLKSEL1_PLL_13_VAL MX_48M_SRC | MX_54M_SRC | \
+ M5A_DPLL_DIV_13 | M5A_DPLL_MULT_13 | \
+ MX_APLLS_CLIKIN_13
+#define M5A_DPLL_MULT_19 (180 << 12)
+#define M5A_DPLL_DIV_19 (12 << 8)
+#define M5A_CM_CLKSEL1_PLL_19_VAL MX_48M_SRC | MX_54M_SRC | \
+ M5A_DPLL_DIV_19 | M5A_DPLL_MULT_19 | \
+ MX_APLLS_CLIKIN_19_2
+/* #5b (ratio1) target DPLL = 200*2 = 400MHz */
+#define M5B_DPLL_MULT_12 (50 << 12)
+#define M5B_DPLL_DIV_12 (2 << 8)
+#define M5B_CM_CLKSEL1_PLL_12_VAL MX_48M_SRC | MX_54M_SRC | \
+ M5B_DPLL_DIV_12 | M5B_DPLL_MULT_12 | \
+ MX_APLLS_CLIKIN_12
+#define M5B_DPLL_MULT_13 (200 << 12)
+#define M5B_DPLL_DIV_13 (12 << 8)
+
+#define M5B_CM_CLKSEL1_PLL_13_VAL MX_48M_SRC | MX_54M_SRC | \
+ M5B_DPLL_DIV_13 | M5B_DPLL_MULT_13 | \
+ MX_APLLS_CLIKIN_13
+#define M5B_DPLL_MULT_19 (125 << 12)
+#define M5B_DPLL_DIV_19 (31 << 8)
+#define M5B_CM_CLKSEL1_PLL_19_VAL MX_48M_SRC | MX_54M_SRC | \
+ M5B_DPLL_DIV_19 | M5B_DPLL_MULT_19 | \
+ MX_APLLS_CLIKIN_19_2
+/*
+ * #4 (ratio2)
+ * #3 (ratio2) baseport-target, target DPLL = 330*2 = 660MHz
+ */
+#define M3_DPLL_MULT_12 (55 << 12)
+#define M3_DPLL_DIV_12 (1 << 8)
+#define M3_CM_CLKSEL1_PLL_12_VAL MX_48M_SRC | MX_54M_SRC | \
+ M3_DPLL_DIV_12 | M3_DPLL_MULT_12 | \
+ MX_APLLS_CLIKIN_12
+#define M3_DPLL_MULT_13 (330 << 12)
+#define M3_DPLL_DIV_13 (12 << 8)
+#define M3_CM_CLKSEL1_PLL_13_VAL MX_48M_SRC | MX_54M_SRC | \
+ M3_DPLL_DIV_13 | M3_DPLL_MULT_13 | \
+ MX_APLLS_CLIKIN_13
+#define M3_DPLL_MULT_19 (275 << 12)
+#define M3_DPLL_DIV_19 (15 << 8)
+#define M3_CM_CLKSEL1_PLL_19_VAL MX_48M_SRC | MX_54M_SRC | \
+ M3_DPLL_DIV_19 | M3_DPLL_MULT_19 | \
+ MX_APLLS_CLIKIN_19_2
+/* boot (boot) */
+#define MB_DPLL_MULT (1 << 12)
+#define MB_DPLL_DIV (0 << 8)
+#define MB_CM_CLKSEL1_PLL_12_VAL MX_48M_SRC | MX_54M_SRC | MB_DPLL_DIV |\
+ MB_DPLL_MULT | MX_APLLS_CLIKIN_12
+
+#define MB_CM_CLKSEL1_PLL_13_VAL MX_48M_SRC | MX_54M_SRC | MB_DPLL_DIV |\
+ MB_DPLL_MULT | MX_APLLS_CLIKIN_13
+
+#define MB_CM_CLKSEL1_PLL_19_VAL MX_48M_SRC | MX_54M_SRC | MB_DPLL_DIV |\
+ MB_DPLL_MULT | MX_APLLS_CLIKIN_19
+
+/*
+ * 2430 - chassis (sedna)
+ * 165 (ratio1) same as above #2
+ * 150 (ratio1)
+ * 133 (ratio2) same as above #4
+ * 110 (ratio2) same as above #3
+ * 104 (ratio2)
+ * boot (boot)
+ */
+
+/*
+ * 2420 Equivalent - mode registers
+ * PRCM II , target DPLL = 2*300MHz = 600MHz
+ */
+#define MII_DPLL_MULT_12 (50 << 12)
+#define MII_DPLL_DIV_12 (1 << 8)
+#define MII_CM_CLKSEL1_PLL_12_VAL MX_48M_SRC | MX_54M_SRC | \
+ MII_DPLL_DIV_12 | MII_DPLL_MULT_12 | \
+ MX_APLLS_CLIKIN_12
+#define MII_DPLL_MULT_13 (300 << 12)
+#define MII_DPLL_DIV_13 (12 << 8)
+#define MII_CM_CLKSEL1_PLL_13_VAL MX_48M_SRC | MX_54M_SRC | \
+ MII_DPLL_DIV_13 | MII_DPLL_MULT_13 | \
+ MX_APLLS_CLIKIN_13
+
+/* PRCM III target DPLL = 2*266 = 532MHz*/
+#define MIII_DPLL_MULT_12 (133 << 12)
+#define MIII_DPLL_DIV_12 (5 << 8)
+#define MIII_CM_CLKSEL1_PLL_12_VAL MX_48M_SRC | MX_54M_SRC | \
+ MIII_DPLL_DIV_12 | MIII_DPLL_MULT_12 | \
+ MX_APLLS_CLIKIN_12
+#define MIII_DPLL_MULT_13 (266 << 12)
+#define MIII_DPLL_DIV_13 (12 << 8)
+#define MIII_CM_CLKSEL1_PLL_13_VAL MX_48M_SRC | MX_54M_SRC | \
+ MIII_DPLL_DIV_13 | MIII_DPLL_MULT_13 | \
+ MX_APLLS_CLIKIN_13
+
+/* PRCM VII (boot bypass) */
+#define MVII_CM_CLKSEL1_PLL_12_VAL MB_CM_CLKSEL1_PLL_12_VAL
+#define MVII_CM_CLKSEL1_PLL_13_VAL MB_CM_CLKSEL1_PLL_13_VAL
+
+/* High and low operation value */
+#define MX_CLKSEL2_PLL_2x_VAL (2 << 0)
+#define MX_CLKSEL2_PLL_1x_VAL (1 << 0)
+
+/*
+ * These represent optimal values for common parts, it won't work for all.
+ * As long as you scale down, most parameters are still work, they just
+ * become sub-optimal. The RFR value goes in the oppisite direction. If you
+ * don't adjust it down as your clock period increases the refresh interval
+ * will not be met. Setting all parameters for complete worst case may work,
+ * but may cut memory performance by 2x. Due to errata the DLLs need to be
+ * unlocked and their value needs run time calibration. A dynamic call is
+ * need for that as no single right value exists acorss production samples.
+ *
+ * Only the FULL speed values are given. Current code is such that rate
+ * changes must be made at DPLLoutx2. The actual value adjustment for low
+ * frequency operation will be handled by omap_set_performance()
+ *
+ * By having the boot loader boot up in the fastest L4 speed available likely
+ * will result in something which you can switch between.
+ */
+#define V24XX_SDRC_RFR_CTRL_133MHz (0x0003de00 | 1)
+#define V24XX_SDRC_RFR_CTRL_100MHz (0x0002da01 | 1)
+#define V24XX_SDRC_RFR_CTRL_110MHz (0x0002da01 | 1) /* Need to calc */
+#define V24XX_SDRC_RFR_CTRL_BYPASS (0x00005000 | 1) /* Need to calc */
+
+/* MPU speed defines */
+#define S12M 12000000
+#define S13M 13000000
+#define S19M 19200000
+#define S26M 26000000
+#define S100M 100000000
+#define S133M 133000000
+#define S150M 150000000
+#define S165M 165000000
+#define S200M 200000000
+#define S266M 266000000
+#define S300M 300000000
+#define S330M 330000000
+#define S400M 400000000
+#define S532M 532000000
+#define S600M 600000000
+#define S660M 660000000
+
+/*-------------------------------------------------------------------------
+ * Key dividers which make up a PRCM set. Ratio's for a PRCM are mandated.
+ * xtal_speed, dpll_speed, mpu_speed, CM_CLKSEL_MPU,
+ * CM_CLKSEL_DSP, CM_CLKSEL_GFX, CM_CLKSEL1_CORE, CM_CLKSEL1_PLL,
+ * CM_CLKSEL2_PLL, CM_CLKSEL_MDM
+ *
+ * Filling in table based on H4 boards and 2430-SDPs variants available.
+ * There are quite a few more rates combinations which could be defined.
+ *
+ * When multiple values are defiend the start up will try and choose the
+ * fastest one. If a 'fast' value is defined, then automatically, the /2
+ * one should be included as it can be used. Generally having more that
+ * one fast set does not make sense, as static timings need to be changed
+ * to change the set. The exception is the bypass setting which is
+ * availble for low power bypass.
+ *
+ * Note: This table needs to be sorted, fastest to slowest.
+ *-------------------------------------------------------------------------*/
+static struct prcm_config rate_table[] = {
+ /* PRCM II - FAST */
+ {S12M, S600M, S300M, RII_CM_CLKSEL_MPU_VAL, /* 300MHz ARM */
+ RII_CM_CLKSEL_DSP_VAL, RII_CM_CLKSEL_GFX_VAL,
+ RII_CM_CLKSEL1_CORE_VAL, MII_CM_CLKSEL1_PLL_12_VAL,
+ MX_CLKSEL2_PLL_2x_VAL, 0, V24XX_SDRC_RFR_CTRL_100MHz,
+ RATE_IN_242X},
+
+ {S13M, S600M, S300M, RII_CM_CLKSEL_MPU_VAL, /* 300MHz ARM */
+ RII_CM_CLKSEL_DSP_VAL, RII_CM_CLKSEL_GFX_VAL,
+ RII_CM_CLKSEL1_CORE_VAL, MII_CM_CLKSEL1_PLL_13_VAL,
+ MX_CLKSEL2_PLL_2x_VAL, 0, V24XX_SDRC_RFR_CTRL_100MHz,
+ RATE_IN_242X},
+
+ /* PRCM III - FAST */
+ {S12M, S532M, S266M, RIII_CM_CLKSEL_MPU_VAL, /* 266MHz ARM */
+ RIII_CM_CLKSEL_DSP_VAL, RIII_CM_CLKSEL_GFX_VAL,
+ RIII_CM_CLKSEL1_CORE_VAL, MIII_CM_CLKSEL1_PLL_12_VAL,
+ MX_CLKSEL2_PLL_2x_VAL, 0, V24XX_SDRC_RFR_CTRL_133MHz,
+ RATE_IN_242X},
+
+ {S13M, S532M, S266M, RIII_CM_CLKSEL_MPU_VAL, /* 266MHz ARM */
+ RIII_CM_CLKSEL_DSP_VAL, RIII_CM_CLKSEL_GFX_VAL,
+ RIII_CM_CLKSEL1_CORE_VAL, MIII_CM_CLKSEL1_PLL_13_VAL,
+ MX_CLKSEL2_PLL_2x_VAL, 0, V24XX_SDRC_RFR_CTRL_133MHz,
+ RATE_IN_242X},
+
+ /* PRCM II - SLOW */
+ {S12M, S300M, S150M, RII_CM_CLKSEL_MPU_VAL, /* 150MHz ARM */
+ RII_CM_CLKSEL_DSP_VAL, RII_CM_CLKSEL_GFX_VAL,
+ RII_CM_CLKSEL1_CORE_VAL, MII_CM_CLKSEL1_PLL_12_VAL,
+ MX_CLKSEL2_PLL_2x_VAL, 0, V24XX_SDRC_RFR_CTRL_100MHz,
+ RATE_IN_242X},
+
+ {S13M, S300M, S150M, RII_CM_CLKSEL_MPU_VAL, /* 150MHz ARM */
+ RII_CM_CLKSEL_DSP_VAL, RII_CM_CLKSEL_GFX_VAL,
+ RII_CM_CLKSEL1_CORE_VAL, MII_CM_CLKSEL1_PLL_13_VAL,
+ MX_CLKSEL2_PLL_2x_VAL, 0, V24XX_SDRC_RFR_CTRL_100MHz,
+ RATE_IN_242X},
+
+ /* PRCM III - SLOW */
+ {S12M, S266M, S133M, RIII_CM_CLKSEL_MPU_VAL, /* 133MHz ARM */
+ RIII_CM_CLKSEL_DSP_VAL, RIII_CM_CLKSEL_GFX_VAL,
+ RIII_CM_CLKSEL1_CORE_VAL, MIII_CM_CLKSEL1_PLL_12_VAL,
+ MX_CLKSEL2_PLL_2x_VAL, 0, V24XX_SDRC_RFR_CTRL_133MHz,
+ RATE_IN_242X},
+
+ {S13M, S266M, S133M, RIII_CM_CLKSEL_MPU_VAL, /* 133MHz ARM */
+ RIII_CM_CLKSEL_DSP_VAL, RIII_CM_CLKSEL_GFX_VAL,
+ RIII_CM_CLKSEL1_CORE_VAL, MIII_CM_CLKSEL1_PLL_13_VAL,
+ MX_CLKSEL2_PLL_2x_VAL, 0, V24XX_SDRC_RFR_CTRL_133MHz,
+ RATE_IN_242X},
+
+ /* PRCM-VII (boot-bypass) */
+ {S12M, S12M, S12M, RVII_CM_CLKSEL_MPU_VAL, /* 12MHz ARM*/
+ RVII_CM_CLKSEL_DSP_VAL, RVII_CM_CLKSEL_GFX_VAL,
+ RVII_CM_CLKSEL1_CORE_VAL, MVII_CM_CLKSEL1_PLL_12_VAL,
+ MX_CLKSEL2_PLL_2x_VAL, 0, V24XX_SDRC_RFR_CTRL_BYPASS,
+ RATE_IN_242X},
+
+ /* PRCM-VII (boot-bypass) */
+ {S13M, S13M, S13M, RVII_CM_CLKSEL_MPU_VAL, /* 13MHz ARM */
+ RVII_CM_CLKSEL_DSP_VAL, RVII_CM_CLKSEL_GFX_VAL,
+ RVII_CM_CLKSEL1_CORE_VAL, MVII_CM_CLKSEL1_PLL_13_VAL,
+ MX_CLKSEL2_PLL_2x_VAL, 0, V24XX_SDRC_RFR_CTRL_BYPASS,
+ RATE_IN_242X},
+
+ /* PRCM #3 - ratio2 (ES2) - FAST */
+ {S13M, S660M, S330M, R2_CM_CLKSEL_MPU_VAL, /* 330MHz ARM */
+ R2_CM_CLKSEL_DSP_VAL, R2_CM_CLKSEL_GFX_VAL,
+ R2_CM_CLKSEL1_CORE_VAL, M3_CM_CLKSEL1_PLL_13_VAL,
+ MX_CLKSEL2_PLL_2x_VAL, R2_CM_CLKSEL_MDM_VAL,
+ V24XX_SDRC_RFR_CTRL_110MHz,
+ RATE_IN_243X},
+
+ /* PRCM #5a - ratio1 - FAST */
+ {S13M, S532M, S266M, R1_CM_CLKSEL_MPU_VAL, /* 266MHz ARM */
+ R1_CM_CLKSEL_DSP_VAL, R1_CM_CLKSEL_GFX_VAL,
+ R1_CM_CLKSEL1_CORE_VAL, M5A_CM_CLKSEL1_PLL_13_VAL,
+ MX_CLKSEL2_PLL_2x_VAL, R1_CM_CLKSEL_MDM_VAL,
+ V24XX_SDRC_RFR_CTRL_133MHz,
+ RATE_IN_243X},
+
+ /* PRCM #5b - ratio1 - FAST */
+ {S13M, S400M, S200M, R1_CM_CLKSEL_MPU_VAL, /* 200MHz ARM */
+ R1_CM_CLKSEL_DSP_VAL, R1_CM_CLKSEL_GFX_VAL,
+ R1_CM_CLKSEL1_CORE_VAL, M5B_CM_CLKSEL1_PLL_13_VAL,
+ MX_CLKSEL2_PLL_2x_VAL, R1_CM_CLKSEL_MDM_VAL,
+ V24XX_SDRC_RFR_CTRL_100MHz,
+ RATE_IN_243X},
+
+ /* PRCM #3 - ratio2 (ES2) - SLOW */
+ {S13M, S330M, S165M, R2_CM_CLKSEL_MPU_VAL, /* 165MHz ARM */
+ R2_CM_CLKSEL_DSP_VAL, R2_CM_CLKSEL_GFX_VAL,
+ R2_CM_CLKSEL1_CORE_VAL, M3_CM_CLKSEL1_PLL_13_VAL,
+ MX_CLKSEL2_PLL_1x_VAL, R2_CM_CLKSEL_MDM_VAL,
+ V24XX_SDRC_RFR_CTRL_110MHz,
+ RATE_IN_243X},
+
+ /* PRCM #5a - ratio1 - SLOW */
+ {S13M, S266M, S133M, R1_CM_CLKSEL_MPU_VAL, /* 133MHz ARM */
+ R1_CM_CLKSEL_DSP_VAL, R1_CM_CLKSEL_GFX_VAL,
+ R1_CM_CLKSEL1_CORE_VAL, M5A_CM_CLKSEL1_PLL_13_VAL,
+ MX_CLKSEL2_PLL_1x_VAL, R1_CM_CLKSEL_MDM_VAL,
+ V24XX_SDRC_RFR_CTRL_133MHz,
+ RATE_IN_243X},
+
+ /* PRCM #5b - ratio1 - SLOW*/
+ {S13M, S200M, S100M, R1_CM_CLKSEL_MPU_VAL, /* 100MHz ARM */
+ R1_CM_CLKSEL_DSP_VAL, R1_CM_CLKSEL_GFX_VAL,
+ R1_CM_CLKSEL1_CORE_VAL, M5B_CM_CLKSEL1_PLL_13_VAL,
+ MX_CLKSEL2_PLL_1x_VAL, R1_CM_CLKSEL_MDM_VAL,
+ V24XX_SDRC_RFR_CTRL_100MHz,
+ RATE_IN_243X},
+
+ /* PRCM-boot/bypass */
+ {S13M, S13M, S13M, RB_CM_CLKSEL_MPU_VAL, /* 13Mhz */
+ RB_CM_CLKSEL_DSP_VAL, RB_CM_CLKSEL_GFX_VAL,
+ RB_CM_CLKSEL1_CORE_VAL, MB_CM_CLKSEL1_PLL_13_VAL,
+ MX_CLKSEL2_PLL_2x_VAL, RB_CM_CLKSEL_MDM_VAL,
+ V24XX_SDRC_RFR_CTRL_BYPASS,
+ RATE_IN_243X},
+
+ /* PRCM-boot/bypass */
+ {S12M, S12M, S12M, RB_CM_CLKSEL_MPU_VAL, /* 12Mhz */
+ RB_CM_CLKSEL_DSP_VAL, RB_CM_CLKSEL_GFX_VAL,
+ RB_CM_CLKSEL1_CORE_VAL, MB_CM_CLKSEL1_PLL_12_VAL,
+ MX_CLKSEL2_PLL_2x_VAL, RB_CM_CLKSEL_MDM_VAL,
+ V24XX_SDRC_RFR_CTRL_BYPASS,
+ RATE_IN_243X},
+
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+};
+
+/*-------------------------------------------------------------------------
+ * 24xx clock tree.
+ *
+ * NOTE:In many cases here we are assigning a 'default' parent. In many
+ * cases the parent is selectable. The get/set parent calls will also
+ * switch sources.
+ *
+ * Many some clocks say always_enabled, but they can be auto idled for
+ * power savings. They will always be available upon clock request.
+ *
+ * Several sources are given initial rates which may be wrong, this will
+ * be fixed up in the init func.
+ *
+ * Things are broadly separated below by clock domains. It is
+ * noteworthy that most periferals have dependencies on multiple clock
+ * domains. Many get their interface clocks from the L4 domain, but get
+ * functional clocks from fixed sources or other core domain derived
+ * clocks.
+ *-------------------------------------------------------------------------*/
+
+/* Base external input clocks */
+static struct clk func_32k_ck = {
+ .name = "func_32k_ck",
+ .rate = 32000,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ RATE_FIXED | ALWAYS_ENABLED,
+};
+
+/* Typical 12/13MHz in standalone mode, will be 26Mhz in chassis mode */
+static struct clk osc_ck = { /* (*12, *13, 19.2, *26, 38.4)MHz */
+ .name = "osc_ck",
+ .rate = 26000000, /* fixed up in clock init */
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ RATE_FIXED | ALWAYS_ENABLED | RATE_PROPAGATES,
+};
+
+/* With out modem likely 12MHz, with modem likely 13MHz */
+static struct clk sys_ck = { /* (*12, *13, 19.2, 26, 38.4)MHz */
+ .name = "sys_ck", /* ~ ref_clk also */
+ .parent = &osc_ck,
+ .rate = 13000000,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ RATE_FIXED | ALWAYS_ENABLED | RATE_PROPAGATES,
+ .rate_offset = 6, /* sysclkdiv 1 or 2, already handled or no boot */
+ .recalc = &omap2_sys_clk_recalc,
+};
+
+static struct clk alt_ck = { /* Typical 54M or 48M, may not exist */
+ .name = "alt_ck",
+ .rate = 54000000,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ RATE_FIXED | ALWAYS_ENABLED | RATE_PROPAGATES,
+ .recalc = &omap2_propagate_rate,
+};
+
+/*
+ * Analog domain root source clocks
+ */
+
+/* dpll_ck, is broken out in to special cases through clksel */
+static struct clk dpll_ck = {
+ .name = "dpll_ck",
+ .parent = &sys_ck, /* Can be func_32k also */
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ RATE_PROPAGATES | RATE_CKCTL | CM_PLL_SEL1,
+ .recalc = &omap2_clksel_recalc,
+};
+
+static struct clk apll96_ck = {
+ .name = "apll96_ck",
+ .parent = &sys_ck,
+ .rate = 96000000,
+ .flags = CLOCK_IN_OMAP242X |CLOCK_IN_OMAP243X |
+ RATE_FIXED | RATE_PROPAGATES,
+ .enable_reg = (void __iomem *)&CM_CLKEN_PLL,
+ .enable_bit = 0x2,
+ .recalc = &omap2_propagate_rate,
+};
+
+static struct clk apll54_ck = {
+ .name = "apll54_ck",
+ .parent = &sys_ck,
+ .rate = 54000000,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ RATE_FIXED | RATE_PROPAGATES,
+ .enable_reg = (void __iomem *)&CM_CLKEN_PLL,
+ .enable_bit = 0x6,
+ .recalc = &omap2_propagate_rate,
+};
+
+/*
+ * PRCM digital base sources
+ */
+static struct clk func_54m_ck = {
+ .name = "func_54m_ck",
+ .parent = &apll54_ck, /* can also be alt_clk */
+ .rate = 54000000,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ RATE_FIXED | CM_PLL_SEL1 | RATE_PROPAGATES,
+ .src_offset = 5,
+ .enable_reg = (void __iomem *)&CM_CLKEN_PLL,
+ .enable_bit = 0xff,
+ .recalc = &omap2_propagate_rate,
+};
+
+static struct clk core_ck = {
+ .name = "core_ck",
+ .parent = &dpll_ck, /* can also be 32k */
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ ALWAYS_ENABLED | RATE_PROPAGATES,
+ .recalc = &omap2_propagate_rate,
+};
+
+static struct clk sleep_ck = { /* sys_clk or 32k */
+ .name = "sleep_ck",
+ .parent = &func_32k_ck,
+ .rate = 32000,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .recalc = &omap2_propagate_rate,
+};
+
+static struct clk func_96m_ck = {
+ .name = "func_96m_ck",
+ .parent = &apll96_ck,
+ .rate = 96000000,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ RATE_FIXED | RATE_PROPAGATES,
+ .enable_reg = (void __iomem *)&CM_CLKEN_PLL,
+ .enable_bit = 0xff,
+ .recalc = &omap2_propagate_rate,
+};
+
+static struct clk func_48m_ck = {
+ .name = "func_48m_ck",
+ .parent = &apll96_ck, /* 96M or Alt */
+ .rate = 48000000,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ RATE_FIXED | CM_PLL_SEL1 | RATE_PROPAGATES,
+ .src_offset = 3,
+ .enable_reg = (void __iomem *)&CM_CLKEN_PLL,
+ .enable_bit = 0xff,
+ .recalc = &omap2_propagate_rate,
+};
+
+static struct clk func_12m_ck = {
+ .name = "func_12m_ck",
+ .parent = &func_48m_ck,
+ .rate = 12000000,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ RATE_FIXED | RATE_PROPAGATES,
+ .recalc = &omap2_propagate_rate,
+ .enable_reg = (void __iomem *)&CM_CLKEN_PLL,
+ .enable_bit = 0xff,
+};
+
+/* Secure timer, only available in secure mode */
+static struct clk wdt1_osc_ck = {
+ .name = "ck_wdt1_osc",
+ .parent = &osc_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk sys_clkout = {
+ .name = "sys_clkout",
+ .parent = &func_54m_ck,
+ .rate = 54000000,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ CM_SYSCLKOUT_SEL1 | RATE_CKCTL,
+ .src_offset = 0,
+ .enable_reg = (void __iomem *)&PRCM_CLKOUT_CTRL,
+ .enable_bit = 7,
+ .rate_offset = 3,
+ .recalc = &omap2_clksel_recalc,
+};
+
+/* In 2430, new in 2420 ES2 */
+static struct clk sys_clkout2 = {
+ .name = "sys_clkout2",
+ .parent = &func_54m_ck,
+ .rate = 54000000,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ CM_SYSCLKOUT_SEL1 | RATE_CKCTL,
+ .src_offset = 8,
+ .enable_reg = (void __iomem *)&PRCM_CLKOUT_CTRL,
+ .enable_bit = 15,
+ .rate_offset = 11,
+ .recalc = &omap2_clksel_recalc,
+};
+
+/*
+ * MPU clock domain
+ * Clocks:
+ * MPU_FCLK, MPU_ICLK
+ * INT_M_FCLK, INT_M_I_CLK
+ *
+ * - Individual clocks are hardware managed.
+ * - Base divider comes from: CM_CLKSEL_MPU
+ *
+ */
+static struct clk mpu_ck = { /* Control cpu */
+ .name = "mpu_ck",
+ .parent = &core_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | RATE_CKCTL |
+ ALWAYS_ENABLED | CM_MPU_SEL1 | DELAYED_APP |
+ CONFIG_PARTICIPANT | RATE_PROPAGATES,
+ .rate_offset = 0, /* bits 0-4 */
+ .recalc = &omap2_clksel_recalc,
+};
+
+/*
+ * DSP (2430-IVA2.1) (2420-UMA+IVA1) clock domain
+ * Clocks:
+ * 2430: IVA2.1_FCLK, IVA2.1_ICLK
+ * 2420: UMA_FCLK, UMA_ICLK, IVA_MPU, IVA_COP
+ */
+static struct clk iva2_1_fck = {
+ .name = "iva2_1_fck",
+ .parent = &core_ck,
+ .flags = CLOCK_IN_OMAP243X | RATE_CKCTL | CM_DSP_SEL1 |
+ DELAYED_APP | RATE_PROPAGATES |
+ CONFIG_PARTICIPANT,
+ .rate_offset = 0,
+ .enable_reg = (void __iomem *)&CM_FCLKEN_DSP,
+ .enable_bit = 0,
+ .recalc = &omap2_clksel_recalc,
+};
+
+static struct clk iva2_1_ick = {
+ .name = "iva2_1_ick",
+ .parent = &iva2_1_fck,
+ .flags = CLOCK_IN_OMAP243X | RATE_CKCTL | CM_DSP_SEL1 |
+ DELAYED_APP | CONFIG_PARTICIPANT,
+ .rate_offset = 5,
+ .recalc = &omap2_clksel_recalc,
+};
+
+/*
+ * Won't be too specific here. The core clock comes into this block
+ * it is divided then tee'ed. One branch goes directly to xyz enable
+ * controls. The other branch gets further divided by 2 then possibly
+ * routed into a synchronizer and out of clocks abc.
+ */
+static struct clk dsp_fck = {
+ .name = "dsp_fck",
+ .parent = &core_ck,
+ .flags = CLOCK_IN_OMAP242X | RATE_CKCTL | CM_DSP_SEL1 |
+ DELAYED_APP | CONFIG_PARTICIPANT | RATE_PROPAGATES,
+ .rate_offset = 0,
+ .enable_reg = (void __iomem *)&CM_FCLKEN_DSP,
+ .enable_bit = 0,
+ .recalc = &omap2_clksel_recalc,
+};
+
+static struct clk dsp_ick = {
+ .name = "dsp_ick", /* apparently ipi and isp */
+ .parent = &dsp_fck,
+ .flags = CLOCK_IN_OMAP242X | RATE_CKCTL | CM_DSP_SEL1 |
+ DELAYED_APP | CONFIG_PARTICIPANT,
+ .rate_offset = 5,
+ .enable_reg = (void __iomem *)&CM_ICLKEN_DSP,
+ .enable_bit = 1, /* for ipi */
+ .recalc = &omap2_clksel_recalc,
+};
+
+static struct clk iva1_ifck = {
+ .name = "iva1_ifck",
+ .parent = &core_ck,
+ .flags = CLOCK_IN_OMAP242X | CM_DSP_SEL1 | RATE_CKCTL |
+ CONFIG_PARTICIPANT | RATE_PROPAGATES | DELAYED_APP,
+ .rate_offset= 8,
+ .enable_reg = (void __iomem *)&CM_FCLKEN_DSP,
+ .enable_bit = 10,
+ .recalc = &omap2_clksel_recalc,
+};
+
+/* IVA1 mpu/int/i/f clocks are /2 of parent */
+static struct clk iva1_mpu_int_ifck = {
+ .name = "iva1_mpu_int_ifck",
+ .parent = &iva1_ifck,
+ .flags = CLOCK_IN_OMAP242X | RATE_CKCTL | CM_DSP_SEL1,
+ .enable_reg = (void __iomem *)&CM_FCLKEN_DSP,
+ .enable_bit = 8,
+ .recalc = &omap2_clksel_recalc,
+};
+
+/*
+ * L3 clock domain
+ * L3 clocks are used for both interface and functional clocks to
+ * multiple entities. Some of these clocks are completely managed
+ * by hardware, and some others allow software control. Hardware
+ * managed ones general are based on directly CLK_REQ signals and
+ * various auto idle settings. The functional spec sets many of these
+ * as 'tie-high' for their enables.
+ *
+ * I-CLOCKS:
+ * L3-Interconnect, SMS, GPMC, SDRC, OCM_RAM, OCM_ROM, SDMA
+ * CAM, HS-USB.
+ * F-CLOCK
+ * SSI.
+ *
+ * GPMC memories and SDRC have timing and clock sensitive registers which
+ * may very well need notification when the clock changes. Currently for low
+ * operating points, these are taken care of in sleep.S.
+ */
+static struct clk core_l3_ck = { /* Used for ick and fck, interconnect */
+ .name = "core_l3_ck",
+ .parent = &core_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ RATE_CKCTL | ALWAYS_ENABLED | CM_CORE_SEL1 |
+ DELAYED_APP | CONFIG_PARTICIPANT |
+ RATE_PROPAGATES,
+ .rate_offset = 0,
+ .recalc = &omap2_clksel_recalc,
+};
+
+static struct clk usb_l4_ick = { /* FS-USB interface clock */
+ .name = "usb_l4_ick",
+ .parent = &core_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ RATE_CKCTL | CM_CORE_SEL1 | DELAYED_APP |
+ CONFIG_PARTICIPANT,
+ .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
+ .enable_bit = 0,
+ .rate_offset = 25,
+ .recalc = &omap2_clksel_recalc,
+};
+
+/*
+ * SSI is in L3 management domain, its direct parent is core not l3,
+ * many core power domain entities are grouped into the L3 clock
+ * domain.
+ * SSI_SSR_FCLK, SSI_SST_FCLK, SSI_L4_CLIK
+ *
+ * ssr = core/1/2/3/4/5, sst = 1/2 ssr.
+ */
+static struct clk ssi_ssr_sst_fck = {
+ .name = "ssi_fck",
+ .parent = &core_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ RATE_CKCTL | CM_CORE_SEL1 | DELAYED_APP,
+ .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE, /* bit 1 */
+ .enable_bit = 1,
+ .rate_offset = 20,
+ .recalc = &omap2_clksel_recalc,
+};
+
+/*
+ * GFX clock domain
+ * Clocks:
+ * GFX_FCLK, GFX_ICLK
+ * GFX_CG1(2d), GFX_CG2(3d)
+ *
+ * GFX_FCLK runs from L3, and is divided by (1,2,3,4)
+ * The 2d and 3d clocks run at a hardware determined
+ * divided value of fclk.
+ *
+ */
+static struct clk gfx_3d_fck = {
+ .name = "gfx_3d_fck",
+ .parent = &core_l3_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ RATE_CKCTL | CM_GFX_SEL1,
+ .enable_reg = (void __iomem *)&CM_FCLKEN_GFX,
+ .enable_bit = 2,
+ .rate_offset= 0,
+ .recalc = &omap2_clksel_recalc,
+};
+
+static struct clk gfx_2d_fck = {
+ .name = "gfx_2d_fck",
+ .parent = &core_l3_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ RATE_CKCTL | CM_GFX_SEL1,
+ .enable_reg = (void __iomem *)&CM_FCLKEN_GFX,
+ .enable_bit = 1,
+ .rate_offset= 0,
+ .recalc = &omap2_clksel_recalc,
+};
+
+static struct clk gfx_ick = {
+ .name = "gfx_ick", /* From l3 */
+ .parent = &core_l3_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ RATE_CKCTL,
+ .enable_reg = (void __iomem *)&CM_ICLKEN_GFX, /* bit 0 */
+ .enable_bit = 0,
+ .recalc = &omap2_followparent_recalc,
+};
+
+/*
+ * Modem clock domain (2430)
+ * CLOCKS:
+ * MDM_OSC_CLK
+ * MDM_ICLK
+ */
+static struct clk mdm_ick = { /* used both as a ick and fck */
+ .name = "mdm_ick",
+ .parent = &core_ck,
+ .flags = CLOCK_IN_OMAP243X | RATE_CKCTL | CM_MODEM_SEL1 |
+ DELAYED_APP | CONFIG_PARTICIPANT,
+ .rate_offset = 0,
+ .enable_reg = (void __iomem *)&CM_ICLKEN_MDM,
+ .enable_bit = 0,
+ .recalc = &omap2_clksel_recalc,
+};
+
+static struct clk mdm_osc_ck = {
+ .name = "mdm_osc_ck",
+ .rate = 26000000,
+ .parent = &osc_ck,
+ .flags = CLOCK_IN_OMAP243X | RATE_FIXED,
+ .enable_reg = (void __iomem *)&CM_FCLKEN_MDM,
+ .enable_bit = 1,
+ .recalc = &omap2_followparent_recalc,
+};
+
+/*
+ * L4 clock management domain
+ *
+ * This domain contains lots of interface clocks from the L4 interface, some
+ * functional clocks. Fixed APLL functional source clocks are managed in
+ * this domain.
+ */
+static struct clk l4_ck = { /* used both as an ick and fck */
+ .name = "l4_ck",
+ .parent = &core_l3_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ RATE_CKCTL | ALWAYS_ENABLED | CM_CORE_SEL1 |
+ DELAYED_APP | RATE_PROPAGATES,
+ .rate_offset = 5,
+ .recalc = &omap2_clksel_recalc,
+};
+
+static struct clk ssi_l4_ick = {
+ .name = "ssi_l4_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | RATE_CKCTL,
+ .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE, /* bit 1 */
+ .enable_bit = 1,
+ .recalc = &omap2_followparent_recalc,
+};
+
+/*
+ * DSS clock domain
+ * CLOCKs:
+ * DSS_L4_ICLK, DSS_L3_ICLK,
+ * DSS_CLK1, DSS_CLK2, DSS_54MHz_CLK
+ *
+ * DSS is both initiator and target.
+ */
+static struct clk dss_ick = { /* Enables both L3,L4 ICLK's */
+ .name = "dss_ick",
+ .parent = &l4_ck, /* really both l3 and l4 */
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | RATE_CKCTL,
+ .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
+ .enable_bit = 0,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk dss1_fck = {
+ .name = "dss1_fck",
+ .parent = &core_ck, /* Core or sys */
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ RATE_CKCTL | CM_CORE_SEL1 | DELAYED_APP,
+ .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
+ .enable_bit = 0,
+ .rate_offset = 8,
+ .src_offset = 8,
+ .recalc = &omap2_clksel_recalc,
+};
+
+static struct clk dss2_fck = { /* Alt clk used in power management */
+ .name = "dss2_fck",
+ .parent = &sys_ck, /* fixed at sys_ck or 48MHz */
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ RATE_CKCTL | CM_CORE_SEL1 | RATE_FIXED,
+ .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
+ .enable_bit = 1,
+ .src_offset = 13,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk dss_54m_fck = { /* Alt clk used in power management */
+ .name = "dss_54m_fck", /* 54m tv clk */
+ .parent = &func_54m_ck,
+ .rate = 54000000,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ RATE_FIXED | RATE_PROPAGATES,
+ .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
+ .enable_bit = 2,
+ .recalc = &omap2_propagate_rate,
+};
+
+/*
+ * CORE power domain ICLK & FCLK defines.
+ * Many of the these can have more than one possible parent. Entries
+ * here will likely have an L4 interface parent, and may have multiple
+ * functional clock parents.
+ */
+static struct clk gpt1_ick = {
+ .name = "gpt1_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN_WKUP, /* Bit4 */
+ .enable_bit = 0,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk gpt1_fck = {
+ .name = "gpt1_fck",
+ .parent = &func_32k_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ CM_WKUP_SEL1,
+ .enable_reg = (void __iomem *)&CM_FCLKEN_WKUP,
+ .enable_bit = 0,
+ .src_offset = 0,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk gpt2_ick = {
+ .name = "gpt2_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE, /* bit4 */
+ .enable_bit = 0,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk gpt2_fck = {
+ .name = "gpt2_fck",
+ .parent = &func_32k_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ CM_CORE_SEL2,
+ .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
+ .enable_bit = 4,
+ .src_offset = 2,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk gpt3_ick = {
+ .name = "gpt3_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE, /* Bit5 */
+ .enable_bit = 5,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk gpt3_fck = {
+ .name = "gpt3_fck",
+ .parent = &func_32k_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ CM_CORE_SEL2,
+ .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
+ .enable_bit = 5,
+ .src_offset = 4,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk gpt4_ick = {
+ .name = "gpt4_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE, /* Bit6 */
+ .enable_bit = 6,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk gpt4_fck = {
+ .name = "gpt4_fck",
+ .parent = &func_32k_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ CM_CORE_SEL2,
+ .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
+ .enable_bit = 6,
+ .src_offset = 6,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk gpt5_ick = {
+ .name = "gpt5_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE, /* Bit7 */
+ .enable_bit = 7,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk gpt5_fck = {
+ .name = "gpt5_fck",
+ .parent = &func_32k_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ CM_CORE_SEL2,
+ .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
+ .enable_bit = 7,
+ .src_offset = 8,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk gpt6_ick = {
+ .name = "gpt6_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_bit = 8,
+ .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE, /* bit8 */
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk gpt6_fck = {
+ .name = "gpt6_fck",
+ .parent = &func_32k_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ CM_CORE_SEL2,
+ .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
+ .enable_bit = 8,
+ .src_offset = 10,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk gpt7_ick = {
+ .name = "gpt7_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE, /* bit9 */
+ .enable_bit = 9,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk gpt7_fck = {
+ .name = "gpt7_fck",
+ .parent = &func_32k_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ CM_CORE_SEL2,
+ .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
+ .enable_bit = 9,
+ .src_offset = 12,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk gpt8_ick = {
+ .name = "gpt8_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE, /* bit10 */
+ .enable_bit = 10,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk gpt8_fck = {
+ .name = "gpt8_fck",
+ .parent = &func_32k_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ CM_CORE_SEL2,
+ .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
+ .enable_bit = 10,
+ .src_offset = 14,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk gpt9_ick = {
+ .name = "gpt9_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
+ .enable_bit = 11,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk gpt9_fck = {
+ .name = "gpt9_fck",
+ .parent = &func_32k_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ CM_CORE_SEL2,
+ .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
+ .enable_bit = 11,
+ .src_offset = 16,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk gpt10_ick = {
+ .name = "gpt10_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
+ .enable_bit = 12,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk gpt10_fck = {
+ .name = "gpt10_fck",
+ .parent = &func_32k_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ CM_CORE_SEL2,
+ .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
+ .enable_bit = 12,
+ .src_offset = 18,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk gpt11_ick = {
+ .name = "gpt11_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
+ .enable_bit = 13,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk gpt11_fck = {
+ .name = "gpt11_fck",
+ .parent = &func_32k_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ CM_CORE_SEL2,
+ .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
+ .enable_bit = 13,
+ .src_offset = 20,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk gpt12_ick = {
+ .name = "gpt12_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE, /* bit14 */
+ .enable_bit = 14,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk gpt12_fck = {
+ .name = "gpt12_fck",
+ .parent = &func_32k_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ CM_CORE_SEL2,
+ .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
+ .enable_bit = 14,
+ .src_offset = 22,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk mcbsp1_ick = {
+ .name = "mcbsp1_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_bit = 15,
+ .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE, /* bit16 */
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk mcbsp1_fck = {
+ .name = "mcbsp1_fck",
+ .parent = &func_96m_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_bit = 15,
+ .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk mcbsp2_ick = {
+ .name = "mcbsp2_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_bit = 16,
+ .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk mcbsp2_fck = {
+ .name = "mcbsp2_fck",
+ .parent = &func_96m_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_bit = 16,
+ .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk mcbsp3_ick = {
+ .name = "mcbsp3_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
+ .enable_bit = 3,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk mcbsp3_fck = {
+ .name = "mcbsp3_fck",
+ .parent = &func_96m_ck,
+ .flags = CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
+ .enable_bit = 3,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk mcbsp4_ick = {
+ .name = "mcbsp4_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
+ .enable_bit = 4,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk mcbsp4_fck = {
+ .name = "mcbsp4_fck",
+ .parent = &func_96m_ck,
+ .flags = CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
+ .enable_bit = 4,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk mcbsp5_ick = {
+ .name = "mcbsp5_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
+ .enable_bit = 5,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk mcbsp5_fck = {
+ .name = "mcbsp5_fck",
+ .parent = &func_96m_ck,
+ .flags = CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
+ .enable_bit = 5,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk mcspi1_ick = {
+ .name = "mcspi1_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
+ .enable_bit = 17,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk mcspi1_fck = {
+ .name = "mcspi1_fck",
+ .parent = &func_48m_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
+ .enable_bit = 17,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk mcspi2_ick = {
+ .name = "mcspi2_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
+ .enable_bit = 18,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk mcspi2_fck = {
+ .name = "mcspi2_fck",
+ .parent = &func_48m_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
+ .enable_bit = 18,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk mcspi3_ick = {
+ .name = "mcspi3_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
+ .enable_bit = 9,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk mcspi3_fck = {
+ .name = "mcspi3_fck",
+ .parent = &func_48m_ck,
+ .flags = CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
+ .enable_bit = 9,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk uart1_ick = {
+ .name = "uart1_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
+ .enable_bit = 21,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk uart1_fck = {
+ .name = "uart1_fck",
+ .parent = &func_48m_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
+ .enable_bit = 21,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk uart2_ick = {
+ .name = "uart2_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
+ .enable_bit = 22,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk uart2_fck = {
+ .name = "uart2_fck",
+ .parent = &func_48m_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
+ .enable_bit = 22,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk uart3_ick = {
+ .name = "uart3_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
+ .enable_bit = 2,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk uart3_fck = {
+ .name = "uart3_fck",
+ .parent = &func_48m_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
+ .enable_bit = 2,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk gpios_ick = {
+ .name = "gpios_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN_WKUP,
+ .enable_bit = 2,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk gpios_fck = {
+ .name = "gpios_fck",
+ .parent = &func_32k_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_FCLKEN_WKUP,
+ .enable_bit = 2,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk mpu_wdt_ick = {
+ .name = "mpu_wdt_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN_WKUP,
+ .enable_bit = 3,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk mpu_wdt_fck = {
+ .name = "mpu_wdt_fck",
+ .parent = &func_32k_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_FCLKEN_WKUP,
+ .enable_bit = 3,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk sync_32k_ick = {
+ .name = "sync_32k_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN_WKUP,
+ .enable_bit = 1,
+ .recalc = &omap2_followparent_recalc,
+};
+static struct clk wdt1_ick = {
+ .name = "wdt1_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN_WKUP,
+ .enable_bit = 4,
+ .recalc = &omap2_followparent_recalc,
+};
+static struct clk omapctrl_ick = {
+ .name = "omapctrl_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN_WKUP,
+ .enable_bit = 5,
+ .recalc = &omap2_followparent_recalc,
+};
+static struct clk icr_ick = {
+ .name = "icr_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN_WKUP,
+ .enable_bit = 6,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk cam_ick = {
+ .name = "cam_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
+ .enable_bit = 31,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk cam_fck = {
+ .name = "cam_fck",
+ .parent = &func_96m_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
+ .enable_bit = 31,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk mailboxes_ick = {
+ .name = "mailboxes_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
+ .enable_bit = 30,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk wdt4_ick = {
+ .name = "wdt4_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
+ .enable_bit = 29,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk wdt4_fck = {
+ .name = "wdt4_fck",
+ .parent = &func_32k_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
+ .enable_bit = 29,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk wdt3_ick = {
+ .name = "wdt3_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
+ .enable_bit = 28,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk wdt3_fck = {
+ .name = "wdt3_fck",
+ .parent = &func_32k_ck,
+ .flags = CLOCK_IN_OMAP242X,
+ .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
+ .enable_bit = 28,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk mspro_ick = {
+ .name = "mspro_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
+ .enable_bit = 27,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk mspro_fck = {
+ .name = "mspro_fck",
+ .parent = &func_96m_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
+ .enable_bit = 27,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk mmc_ick = {
+ .name = "mmc_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
+ .enable_bit = 26,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk mmc_fck = {
+ .name = "mmc_fck",
+ .parent = &func_96m_ck,
+ .flags = CLOCK_IN_OMAP242X,
+ .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
+ .enable_bit = 26,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk fac_ick = {
+ .name = "fac_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
+ .enable_bit = 25,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk fac_fck = {
+ .name = "fac_fck",
+ .parent = &func_12m_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
+ .enable_bit = 25,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk eac_ick = {
+ .name = "eac_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
+ .enable_bit = 24,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk eac_fck = {
+ .name = "eac_fck",
+ .parent = &func_96m_ck,
+ .flags = CLOCK_IN_OMAP242X,
+ .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
+ .enable_bit = 24,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk hdq_ick = {
+ .name = "hdq_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
+ .enable_bit = 23,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk hdq_fck = {
+ .name = "hdq_fck",
+ .parent = &func_12m_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
+ .enable_bit = 23,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk i2c2_ick = {
+ .name = "i2c2_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
+ .enable_bit = 20,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk i2c2_fck = {
+ .name = "i2c2_fck",
+ .parent = &func_12m_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
+ .enable_bit = 20,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk i2chs2_fck = {
+ .name = "i2chs2_fck",
+ .parent = &func_96m_ck,
+ .flags = CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
+ .enable_bit = 20,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk i2c1_ick = {
+ .name = "i2c1_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
+ .enable_bit = 19,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk i2c1_fck = {
+ .name = "i2c1_fck",
+ .parent = &func_12m_ck,
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
+ .enable_bit = 19,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk i2chs1_fck = {
+ .name = "i2chs1_fck",
+ .parent = &func_96m_ck,
+ .flags = CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
+ .enable_bit = 19,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk vlynq_ick = {
+ .name = "vlynq_ick",
+ .parent = &core_l3_ck,
+ .flags = CLOCK_IN_OMAP242X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
+ .enable_bit = 3,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk vlynq_fck = {
+ .name = "vlynq_fck",
+ .parent = &func_96m_ck,
+ .flags = CLOCK_IN_OMAP242X | RATE_CKCTL | CM_CORE_SEL1 | DELAYED_APP,
+ .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
+ .enable_bit = 3,
+ .src_offset = 15,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk sdrc_ick = {
+ .name = "sdrc_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN3_CORE,
+ .enable_bit = 2,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk des_ick = {
+ .name = "des_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP243X | CLOCK_IN_OMAP242X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN4_CORE,
+ .enable_bit = 0,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk sha_ick = {
+ .name = "sha_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP243X | CLOCK_IN_OMAP242X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN4_CORE,
+ .enable_bit = 1,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk rng_ick = {
+ .name = "rng_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP243X | CLOCK_IN_OMAP242X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN4_CORE,
+ .enable_bit = 2,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk aes_ick = {
+ .name = "aes_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP243X | CLOCK_IN_OMAP242X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN4_CORE,
+ .enable_bit = 3,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk pka_ick = {
+ .name = "pka_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP243X | CLOCK_IN_OMAP242X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN4_CORE,
+ .enable_bit = 4,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk usb_fck = {
+ .name = "usb_fck",
+ .parent = &func_48m_ck,
+ .flags = CLOCK_IN_OMAP243X | CLOCK_IN_OMAP242X,
+ .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
+ .enable_bit = 0,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk usbhs_ick = {
+ .name = "usbhs_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
+ .enable_bit = 6,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk mmchs1_ick = {
+ .name = "mmchs1_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
+ .enable_bit = 7,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk mmchs1_fck = {
+ .name = "mmchs1_fck",
+ .parent = &func_96m_ck,
+ .flags = CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
+ .enable_bit = 7,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk mmchs2_ick = {
+ .name = "mmchs2_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
+ .enable_bit = 8,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk mmchs2_fck = {
+ .name = "mmchs2_fck",
+ .parent = &func_96m_ck,
+ .flags = CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
+ .enable_bit = 8,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk gpio5_ick = {
+ .name = "gpio5_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
+ .enable_bit = 10,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk gpio5_fck = {
+ .name = "gpio5_fck",
+ .parent = &func_32k_ck,
+ .flags = CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
+ .enable_bit = 10,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk mdm_intc_ick = {
+ .name = "mdm_intc_ick",
+ .parent = &l4_ck,
+ .flags = CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
+ .enable_bit = 11,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk mmchsdb1_fck = {
+ .name = "mmchsdb1_fck",
+ .parent = &func_32k_ck,
+ .flags = CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
+ .enable_bit = 16,
+ .recalc = &omap2_followparent_recalc,
+};
+
+static struct clk mmchsdb2_fck = {
+ .name = "mmchsdb2_fck",
+ .parent = &func_32k_ck,
+ .flags = CLOCK_IN_OMAP243X,
+ .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
+ .enable_bit = 17,
+ .recalc = &omap2_followparent_recalc,
+};
+
+/*
+ * This clock is a composite clock which does entire set changes then
+ * forces a rebalance. It keys on the MPU speed, but it really could
+ * be any key speed part of a set in the rate table.
+ *
+ * to really change a set, you need memory table sets which get changed
+ * in sram, pre-notifiers & post notifiers, changing the top set, without
+ * having low level display recalc's won't work... this is why dpm notifiers
+ * work, isr's off, walk a list of clocks already _off_ and not messing with
+ * the bus.
+ *
+ * This clock should have no parent. It embodies the entire upper level
+ * active set. A parent will mess up some of the init also.
+ */
+static struct clk virt_prcm_set = {
+ .name = "virt_prcm_set",
+ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+ VIRTUAL_CLOCK | ALWAYS_ENABLED | DELAYED_APP,
+ .parent = &mpu_ck, /* Indexed by mpu speed, no parent */
+ .recalc = &omap2_mpu_recalc, /* sets are keyed on mpu rate */
+ .set_rate = &omap2_select_table_rate,
+ .round_rate = &omap2_round_to_table_rate,
+};
+
+static struct clk *onchip_clks[] = {
+ /* external root sources */
+ &func_32k_ck,
+ &osc_ck,
+ &sys_ck,
+ &alt_ck,
+ /* internal analog sources */
+ &dpll_ck,
+ &apll96_ck,
+ &apll54_ck,
+ /* internal prcm root sources */
+ &func_54m_ck,
+ &core_ck,
+ &sleep_ck,
+ &func_96m_ck,
+ &func_48m_ck,
+ &func_12m_ck,
+ &wdt1_osc_ck,
+ &sys_clkout,
+ &sys_clkout2,
+ /* mpu domain clocks */
+ &mpu_ck,
+ /* dsp domain clocks */
+ &iva2_1_fck, /* 2430 */
+ &iva2_1_ick,
+ &dsp_ick, /* 2420 */
+ &dsp_fck,
+ &iva1_ifck,
+ &iva1_mpu_int_ifck,
+ /* GFX domain clocks */
+ &gfx_3d_fck,
+ &gfx_2d_fck,
+ &gfx_ick,
+ /* Modem domain clocks */
+ &mdm_ick,
+ &mdm_osc_ck,
+ /* DSS domain clocks */
+ &dss_ick,
+ &dss1_fck,
+ &dss2_fck,
+ &dss_54m_fck,
+ /* L3 domain clocks */
+ &core_l3_ck,
+ &ssi_ssr_sst_fck,
+ &usb_l4_ick,
+ /* L4 domain clocks */
+ &l4_ck, /* used as both core_l4 and wu_l4 */
+ &ssi_l4_ick,
+ /* virtual meta-group clock */
+ &virt_prcm_set,
+ /* general l4 interface ck, multi-parent functional clk */
+ &gpt1_ick,
+ &gpt1_fck,
+ &gpt2_ick,
+ &gpt2_fck,
+ &gpt3_ick,
+ &gpt3_fck,
+ &gpt4_ick,
+ &gpt4_fck,
+ &gpt5_ick,
+ &gpt5_fck,
+ &gpt6_ick,
+ &gpt6_fck,
+ &gpt7_ick,
+ &gpt7_fck,
+ &gpt8_ick,
+ &gpt8_fck,
+ &gpt9_ick,
+ &gpt9_fck,
+ &gpt10_ick,
+ &gpt10_fck,
+ &gpt11_ick,
+ &gpt11_fck,
+ &gpt12_ick,
+ &gpt12_fck,
+ &mcbsp1_ick,
+ &mcbsp1_fck,
+ &mcbsp2_ick,
+ &mcbsp2_fck,
+ &mcbsp3_ick,
+ &mcbsp3_fck,
+ &mcbsp4_ick,
+ &mcbsp4_fck,
+ &mcbsp5_ick,
+ &mcbsp5_fck,
+ &mcspi1_ick,
+ &mcspi1_fck,
+ &mcspi2_ick,
+ &mcspi2_fck,
+ &mcspi3_ick,
+ &mcspi3_fck,
+ &uart1_ick,
+ &uart1_fck,
+ &uart2_ick,
+ &uart2_fck,
+ &uart3_ick,
+ &uart3_fck,
+ &gpios_ick,
+ &gpios_fck,
+ &mpu_wdt_ick,
+ &mpu_wdt_fck,
+ &sync_32k_ick,
+ &wdt1_ick,
+ &omapctrl_ick,
+ &icr_ick,
+ &cam_fck,
+ &cam_ick,
+ &mailboxes_ick,
+ &wdt4_ick,
+ &wdt4_fck,
+ &wdt3_ick,
+ &wdt3_fck,
+ &mspro_ick,
+ &mspro_fck,
+ &mmc_ick,
+ &mmc_fck,
+ &fac_ick,
+ &fac_fck,
+ &eac_ick,
+ &eac_fck,
+ &hdq_ick,
+ &hdq_fck,
+ &i2c1_ick,
+ &i2c1_fck,
+ &i2chs1_fck,
+ &i2c2_ick,
+ &i2c2_fck,
+ &i2chs2_fck,
+ &vlynq_ick,
+ &vlynq_fck,
+ &sdrc_ick,
+ &des_ick,
+ &sha_ick,
+ &rng_ick,
+ &aes_ick,
+ &pka_ick,
+ &usb_fck,
+ &usbhs_ick,
+ &mmchs1_ick,
+ &mmchs1_fck,
+ &mmchs2_ick,
+ &mmchs2_fck,
+ &gpio5_ick,
+ &gpio5_fck,
+ &mdm_intc_ick,
+ &mmchsdb1_fck,
+ &mmchsdb2_fck,
+};
+
+#endif
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
new file mode 100644
index 00000000000..7181edb8935
--- /dev/null
+++ b/arch/arm/mach-omap2/devices.c
@@ -0,0 +1,89 @@
+/*
+ * linux/arch/arm/mach-omap2/devices.c
+ *
+ * OMAP2 platform device setup/initialization
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/mach-types.h>
+#include <asm/mach/map.h>
+
+#include <asm/arch/tc.h>
+#include <asm/arch/board.h>
+#include <asm/arch/mux.h>
+#include <asm/arch/gpio.h>
+
+extern void omap_nop_release(struct device *dev);
+
+/*-------------------------------------------------------------------------*/
+
+#if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
+
+#define OMAP2_I2C_BASE2 0x48072000
+#define OMAP2_I2C_INT2 57
+
+static struct resource i2c_resources2[] = {
+ {
+ .start = OMAP2_I2C_BASE2,
+ .end = OMAP2_I2C_BASE2 + 0x3f,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = OMAP2_I2C_INT2,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device omap_i2c_device2 = {
+ .name = "i2c_omap",
+ .id = 2,
+ .dev = {
+ .release = omap_nop_release,
+ },
+ .num_resources = ARRAY_SIZE(i2c_resources2),
+ .resource = i2c_resources2,
+};
+
+/* See also arch/arm/plat-omap/devices.c for first I2C on 24xx */
+static void omap_init_i2c(void)
+{
+ /* REVISIT: Second I2C not in use on H4? */
+ if (machine_is_omap_h4())
+ return;
+
+ omap_cfg_reg(J15_24XX_I2C2_SCL);
+ omap_cfg_reg(H19_24XX_I2C2_SDA);
+ (void) platform_device_register(&omap_i2c_device2);
+}
+
+#else
+
+static void omap_init_i2c(void) {}
+
+#endif
+
+/*-------------------------------------------------------------------------*/
+
+static int __init omap2_init_devices(void)
+{
+ /* please keep these calls, and their implementations above,
+ * in alphabetical order so they're easier to sort through.
+ */
+ omap_init_i2c();
+
+ return 0;
+}
+arch_initcall(omap2_init_devices);
+
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
new file mode 100644
index 00000000000..76187300f2b
--- /dev/null
+++ b/arch/arm/mach-omap2/id.c
@@ -0,0 +1,124 @@
+/*
+ * linux/arch/arm/mach-omap2/id.c
+ *
+ * OMAP2 CPU identification code
+ *
+ * Copyright (C) 2005 Nokia Corporation
+ * Written by Tony Lindgren <tony@atomide.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+
+#include <asm/io.h>
+
+#define OMAP24XX_TAP_BASE io_p2v(0x48014000)
+
+#define OMAP_TAP_IDCODE 0x0204
+#define OMAP_TAP_PROD_ID 0x0208
+
+#define OMAP_TAP_DIE_ID_0 0x0218
+#define OMAP_TAP_DIE_ID_1 0x021C
+#define OMAP_TAP_DIE_ID_2 0x0220
+#define OMAP_TAP_DIE_ID_3 0x0224
+
+/* system_rev fields for OMAP2 processors:
+ * CPU id bits [31:16],
+ * CPU device type [15:12], (unprg,normal,POP)
+ * CPU revision [11:08]
+ * CPU class bits [07:00]
+ */
+
+struct omap_id {
+ u16 hawkeye; /* Silicon type (Hawkeye id) */
+ u8 dev; /* Device type from production_id reg */
+ u32 type; /* combined type id copied to system_rev */
+};
+
+/* Register values to detect the OMAP version */
+static struct omap_id omap_ids[] __initdata = {
+ { .hawkeye = 0xb5d9, .dev = 0x0, .type = 0x24200000 },
+ { .hawkeye = 0xb5d9, .dev = 0x1, .type = 0x24201000 },
+ { .hawkeye = 0xb5d9, .dev = 0x2, .type = 0x24202000 },
+ { .hawkeye = 0xb5d9, .dev = 0x4, .type = 0x24220000 },
+ { .hawkeye = 0xb5d9, .dev = 0x8, .type = 0x24230000 },
+ { .hawkeye = 0xb68a, .dev = 0x0, .type = 0x24300000 },
+};
+
+static u32 __init read_tap_reg(int reg)
+{
+ return __raw_readl(OMAP24XX_TAP_BASE + reg);
+}
+
+void __init omap2_check_revision(void)
+{
+ int i, j;
+ u32 idcode;
+ u32 prod_id;
+ u16 hawkeye;
+ u8 dev_type;
+ u8 rev;
+
+ idcode = read_tap_reg(OMAP_TAP_IDCODE);
+ prod_id = read_tap_reg(OMAP_TAP_PROD_ID);
+ hawkeye = (idcode >> 12) & 0xffff;
+ rev = (idcode >> 28) & 0x0f;
+ dev_type = (prod_id >> 16) & 0x0f;
+
+#ifdef DEBUG
+ printk(KERN_DEBUG "OMAP_TAP_IDCODE 0x%08x REV %i HAWKEYE 0x%04x MANF %03x\n",
+ idcode, rev, hawkeye, (idcode >> 1) & 0x7ff);
+ printk(KERN_DEBUG "OMAP_TAP_DIE_ID_0: 0x%08x\n",
+ read_tap_reg(OMAP_TAP_DIE_ID_0));
+ printk(KERN_DEBUG "OMAP_TAP_DIE_ID_1: 0x%08x DEV_REV: %i\n",
+ read_tap_reg(OMAP_TAP_DIE_ID_1),
+ (read_tap_reg(OMAP_TAP_DIE_ID_1) >> 28) & 0xf);
+ printk(KERN_DEBUG "OMAP_TAP_DIE_ID_2: 0x%08x\n",
+ read_tap_reg(OMAP_TAP_DIE_ID_2));
+ printk(KERN_DEBUG "OMAP_TAP_DIE_ID_3: 0x%08x\n",
+ read_tap_reg(OMAP_TAP_DIE_ID_3));
+ printk(KERN_DEBUG "OMAP_TAP_PROD_ID_0: 0x%08x DEV_TYPE: %i\n",
+ prod_id, dev_type);
+#endif
+
+ /* Check hawkeye ids */
+ for (i = 0; i < ARRAY_SIZE(omap_ids); i++) {
+ if (hawkeye == omap_ids[i].hawkeye)
+ break;
+ }
+
+ if (i == ARRAY_SIZE(omap_ids)) {
+ printk(KERN_ERR "Unknown OMAP CPU id\n");
+ return;
+ }
+
+ for (j = i; j < ARRAY_SIZE(omap_ids); j++) {
+ if (dev_type == omap_ids[j].dev)
+ break;
+ }
+
+ if (j == ARRAY_SIZE(omap_ids)) {
+ printk(KERN_ERR "Unknown OMAP device type. "
+ "Handling it as OMAP%04x\n",
+ omap_ids[i].type >> 16);
+ j = i;
+ }
+ system_rev = omap_ids[j].type;
+
+ system_rev |= rev << 8;
+
+ /* Add the cpu class info (24xx) */
+ system_rev |= 0x24;
+
+ pr_info("OMAP%04x", system_rev >> 16);
+ if ((system_rev >> 8) & 0x0f)
+ printk("%x", (system_rev >> 8) & 0x0f);
+ printk("\n");
+}
+
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
new file mode 100644
index 00000000000..8ea67bf196a
--- /dev/null
+++ b/arch/arm/mach-omap2/io.c
@@ -0,0 +1,53 @@
+/*
+ * linux/arch/arm/mach-omap2/io.c
+ *
+ * OMAP2 I/O mapping code
+ *
+ * Copyright (C) 2005 Nokia Corporation
+ * Author: Juha Yrjölä <juha.yrjola@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+
+#include <asm/mach/map.h>
+#include <asm/io.h>
+#include <asm/arch/mux.h>
+
+extern void omap_sram_init(void);
+extern int omap2_clk_init(void);
+extern void omap2_check_revision(void);
+
+/*
+ * The machine specific code may provide the extra mapping besides the
+ * default mapping provided here.
+ */
+static struct map_desc omap2_io_desc[] __initdata = {
+ {
+ .virtual = L3_24XX_VIRT,
+ .pfn = __phys_to_pfn(L3_24XX_PHYS),
+ .length = L3_24XX_SIZE,
+ .type = MT_DEVICE
+ },
+ {
+ .virtual = L4_24XX_VIRT,
+ .pfn = __phys_to_pfn(L4_24XX_PHYS),
+ .length = L4_24XX_SIZE,
+ .type = MT_DEVICE
+ }
+};
+
+void __init omap_map_common_io(void)
+{
+ iotable_init(omap2_io_desc, ARRAY_SIZE(omap2_io_desc));
+ omap2_check_revision();
+ omap_sram_init();
+ omap2_mux_init();
+ omap2_clk_init();
+}
diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c
new file mode 100644
index 00000000000..d7baff675cf
--- /dev/null
+++ b/arch/arm/mach-omap2/irq.c
@@ -0,0 +1,149 @@
+/*
+ * linux/arch/arm/mach-omap/omap2/irq.c
+ *
+ * Interrupt handler for OMAP2 boards.
+ *
+ * Copyright (C) 2005 Nokia Corporation
+ * Author: Paul Mundt <paul.mundt@nokia.com>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/config.h>
+#include <linux/interrupt.h>
+#include <asm/hardware.h>
+#include <asm/mach/irq.h>
+#include <asm/irq.h>
+#include <asm/io.h>
+
+#define INTC_REVISION 0x0000
+#define INTC_SYSCONFIG 0x0010
+#define INTC_SYSSTATUS 0x0014
+#define INTC_CONTROL 0x0048
+#define INTC_MIR_CLEAR0 0x0088
+#define INTC_MIR_SET0 0x008c
+
+/*
+ * OMAP2 has a number of different interrupt controllers, each interrupt
+ * controller is identified as its own "bank". Register definitions are
+ * fairly consistent for each bank, but not all registers are implemented
+ * for each bank.. when in doubt, consult the TRM.
+ */
+static struct omap_irq_bank {
+ unsigned long base_reg;
+ unsigned int nr_irqs;
+} __attribute__ ((aligned(4))) irq_banks[] = {
+ {
+ /* MPU INTC */
+ .base_reg = OMAP24XX_IC_BASE,
+ .nr_irqs = 96,
+ }, {
+ /* XXX: DSP INTC */
+
+#if 0
+ /*
+ * Commented out for now until we fix the IVA clocking
+ */
+#ifdef CONFIG_ARCH_OMAP2420
+ }, {
+ /* IVA INTC (2420 only) */
+ .base_reg = OMAP24XX_IVA_INTC_BASE,
+ .nr_irqs = 16, /* Actually 32, but only 16 are used */
+#endif
+#endif
+ }
+};
+
+/* XXX: FIQ and additional INTC support (only MPU at the moment) */
+static void omap_ack_irq(unsigned int irq)
+{
+ omap_writel(0x1, irq_banks[0].base_reg + INTC_CONTROL);
+}
+
+static void omap_mask_irq(unsigned int irq)
+{
+ int offset = (irq >> 5) << 5;
+
+ if (irq >= 64) {
+ irq %= 64;
+ } else if (irq >= 32) {
+ irq %= 32;
+ }
+
+ omap_writel(1 << irq, irq_banks[0].base_reg + INTC_MIR_SET0 + offset);
+}
+
+static void omap_unmask_irq(unsigned int irq)
+{
+ int offset = (irq >> 5) << 5;
+
+ if (irq >= 64) {
+ irq %= 64;
+ } else if (irq >= 32) {
+ irq %= 32;
+ }
+
+ omap_writel(1 << irq, irq_banks[0].base_reg + INTC_MIR_CLEAR0 + offset);
+}
+
+static void omap_mask_ack_irq(unsigned int irq)
+{
+ omap_mask_irq(irq);
+ omap_ack_irq(irq);
+}
+
+static struct irqchip omap_irq_chip = {
+ .ack = omap_mask_ack_irq,
+ .mask = omap_mask_irq,
+ .unmask = omap_unmask_irq,
+};
+
+static void __init omap_irq_bank_init_one(struct omap_irq_bank *bank)
+{
+ unsigned long tmp;
+
+ tmp = omap_readl(bank->base_reg + INTC_REVISION) & 0xff;
+ printk(KERN_INFO "IRQ: Found an INTC at 0x%08lx "
+ "(revision %ld.%ld) with %d interrupts\n",
+ bank->base_reg, tmp >> 4, tmp & 0xf, bank->nr_irqs);
+
+ tmp = omap_readl(bank->base_reg + INTC_SYSCONFIG);
+ tmp |= 1 << 1; /* soft reset */
+ omap_writel(tmp, bank->base_reg + INTC_SYSCONFIG);
+
+ while (!(omap_readl(bank->base_reg + INTC_SYSSTATUS) & 0x1))
+ /* Wait for reset to complete */;
+}
+
+void __init omap_init_irq(void)
+{
+ unsigned long nr_irqs = 0;
+ unsigned int nr_banks = 0;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(irq_banks); i++) {
+ struct omap_irq_bank *bank = irq_banks + i;
+
+ /* XXX */
+ if (!bank->base_reg)
+ continue;
+
+ omap_irq_bank_init_one(bank);
+
+ nr_irqs += bank->nr_irqs;
+ nr_banks++;
+ }
+
+ printk(KERN_INFO "Total of %ld interrupts on %d active controller%s\n",
+ nr_irqs, nr_banks, nr_banks > 1 ? "s" : "");
+
+ for (i = 0; i < nr_irqs; i++) {
+ set_irq_chip(i, &omap_irq_chip);
+ set_irq_handler(i, do_level_IRQ);
+ set_irq_flags(i, IRQF_VALID);
+ }
+}
+
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
new file mode 100644
index 00000000000..ea4654815dd
--- /dev/null
+++ b/arch/arm/mach-omap2/mux.c
@@ -0,0 +1,65 @@
+/*
+ * linux/arch/arm/mach-omap2/mux.c
+ *
+ * OMAP1 pin multiplexing configurations
+ *
+ * Copyright (C) 2003 - 2005 Nokia Corporation
+ *
+ * Written by Tony Lindgren <tony.lindgren@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <asm/system.h>
+#include <asm/io.h>
+#include <linux/spinlock.h>
+
+#include <asm/arch/mux.h>
+
+#ifdef CONFIG_OMAP_MUX
+
+/* NOTE: See mux.h for the enumeration */
+
+struct pin_config __initdata_or_module omap24xx_pins[] = {
+/*
+ * description mux mux pull pull debug
+ * offset mode ena type
+ */
+
+/* 24xx I2C */
+MUX_CFG_24XX("M19_24XX_I2C1_SCL", 0x111, 0, 0, 0, 1)
+MUX_CFG_24XX("L15_24XX_I2C1_SDA", 0x112, 0, 0, 0, 1)
+MUX_CFG_24XX("J15_24XX_I2C2_SCL", 0x113, 0, 0, 0, 1)
+MUX_CFG_24XX("H19_24XX_I2C2_SDA", 0x114, 0, 0, 0, 1)
+
+/* Menelaus interrupt */
+MUX_CFG_24XX("W19_24XX_SYS_NIRQ", 0x12c, 0, 1, 1, 1)
+
+/* 24xx GPIO */
+MUX_CFG_24XX("Y20_24XX_GPIO60", 0x12c, 3, 0, 0, 1)
+MUX_CFG_24XX("M15_24XX_GPIO92", 0x10a, 3, 0, 0, 1)
+
+};
+
+int __init omap2_mux_init(void)
+{
+ omap_mux_register(omap24xx_pins, ARRAY_SIZE(omap24xx_pins));
+ return 0;
+}
+
+#endif
diff --git a/arch/arm/mach-omap2/prcm.h b/arch/arm/mach-omap2/prcm.h
new file mode 100644
index 00000000000..2eb89b936c8
--- /dev/null
+++ b/arch/arm/mach-omap2/prcm.h
@@ -0,0 +1,419 @@
+/*
+ * prcm.h - Access definations for use in OMAP24XX clock and power management
+ *
+ * Copyright (C) 2005 Texas Instruments, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef __ASM_ARM_ARCH_DPM_PRCM_H
+#define __ASM_ARM_ARCH_DPM_PRCM_H
+
+/* SET_PERFORMANCE_LEVEL PARAMETERS */
+#define PRCM_HALF_SPEED 1
+#define PRCM_FULL_SPEED 2
+
+#ifndef __ASSEMBLER__
+
+#define PRCM_REG32(offset) __REG32(OMAP24XX_PRCM_BASE + (offset))
+
+#define PRCM_REVISION PRCM_REG32(0x000)
+#define PRCM_SYSCONFIG PRCM_REG32(0x010)
+#define PRCM_IRQSTATUS_MPU PRCM_REG32(0x018)
+#define PRCM_IRQENABLE_MPU PRCM_REG32(0x01C)
+#define PRCM_VOLTCTRL PRCM_REG32(0x050)
+#define PRCM_VOLTST PRCM_REG32(0x054)
+#define PRCM_CLKSRC_CTRL PRCM_REG32(0x060)
+#define PRCM_CLKOUT_CTRL PRCM_REG32(0x070)
+#define PRCM_CLKEMUL_CTRL PRCM_REG32(0x078)
+#define PRCM_CLKCFG_CTRL PRCM_REG32(0x080)
+#define PRCM_CLKCFG_STATUS PRCM_REG32(0x084)
+#define PRCM_VOLTSETUP PRCM_REG32(0x090)
+#define PRCM_CLKSSETUP PRCM_REG32(0x094)
+#define PRCM_POLCTRL PRCM_REG32(0x098)
+
+/* GENERAL PURPOSE */
+#define GENERAL_PURPOSE1 PRCM_REG32(0x0B0)
+#define GENERAL_PURPOSE2 PRCM_REG32(0x0B4)
+#define GENERAL_PURPOSE3 PRCM_REG32(0x0B8)
+#define GENERAL_PURPOSE4 PRCM_REG32(0x0BC)
+#define GENERAL_PURPOSE5 PRCM_REG32(0x0C0)
+#define GENERAL_PURPOSE6 PRCM_REG32(0x0C4)
+#define GENERAL_PURPOSE7 PRCM_REG32(0x0C8)
+#define GENERAL_PURPOSE8 PRCM_REG32(0x0CC)
+#define GENERAL_PURPOSE9 PRCM_REG32(0x0D0)
+#define GENERAL_PURPOSE10 PRCM_REG32(0x0D4)
+#define GENERAL_PURPOSE11 PRCM_REG32(0x0D8)
+#define GENERAL_PURPOSE12 PRCM_REG32(0x0DC)
+#define GENERAL_PURPOSE13 PRCM_REG32(0x0E0)
+#define GENERAL_PURPOSE14 PRCM_REG32(0x0E4)
+#define GENERAL_PURPOSE15 PRCM_REG32(0x0E8)
+#define GENERAL_PURPOSE16 PRCM_REG32(0x0EC)
+#define GENERAL_PURPOSE17 PRCM_REG32(0x0F0)
+#define GENERAL_PURPOSE18 PRCM_REG32(0x0F4)
+#define GENERAL_PURPOSE19 PRCM_REG32(0x0F8)
+#define GENERAL_PURPOSE20 PRCM_REG32(0x0FC)
+
+/* MPU */
+#define CM_CLKSEL_MPU PRCM_REG32(0x140)
+#define CM_CLKSTCTRL_MPU PRCM_REG32(0x148)
+#define RM_RSTST_MPU PRCM_REG32(0x158)
+#define PM_WKDEP_MPU PRCM_REG32(0x1C8)
+#define PM_EVGENCTRL_MPU PRCM_REG32(0x1D4)
+#define PM_EVEGENONTIM_MPU PRCM_REG32(0x1D8)
+#define PM_EVEGENOFFTIM_MPU PRCM_REG32(0x1DC)
+#define PM_PWSTCTRL_MPU PRCM_REG32(0x1E0)
+#define PM_PWSTST_MPU PRCM_REG32(0x1E4)
+
+/* CORE */
+#define CM_FCLKEN1_CORE PRCM_REG32(0x200)
+#define CM_FCLKEN2_CORE PRCM_REG32(0x204)
+#define CM_FCLKEN3_CORE PRCM_REG32(0x208)
+#define CM_ICLKEN1_CORE PRCM_REG32(0x210)
+#define CM_ICLKEN2_CORE PRCM_REG32(0x214)
+#define CM_ICLKEN3_CORE PRCM_REG32(0x218)
+#define CM_ICLKEN4_CORE PRCM_REG32(0x21C)
+#define CM_IDLEST1_CORE PRCM_REG32(0x220)
+#define CM_IDLEST2_CORE PRCM_REG32(0x224)
+#define CM_IDLEST3_CORE PRCM_REG32(0x228)
+#define CM_IDLEST4_CORE PRCM_REG32(0x22C)
+#define CM_AUTOIDLE1_CORE PRCM_REG32(0x230)
+#define CM_AUTOIDLE2_CORE PRCM_REG32(0x234)
+#define CM_AUTOIDLE3_CORE PRCM_REG32(0x238)
+#define CM_AUTOIDLE4_CORE PRCM_REG32(0x23C)
+#define CM_CLKSEL1_CORE PRCM_REG32(0x240)
+#define CM_CLKSEL2_CORE PRCM_REG32(0x244)
+#define CM_CLKSTCTRL_CORE PRCM_REG32(0x248)
+#define PM_WKEN1_CORE PRCM_REG32(0x2A0)
+#define PM_WKEN2_CORE PRCM_REG32(0x2A4)
+#define PM_WKST1_CORE PRCM_REG32(0x2B0)
+#define PM_WKST2_CORE PRCM_REG32(0x2B4)
+#define PM_WKDEP_CORE PRCM_REG32(0x2C8)
+#define PM_PWSTCTRL_CORE PRCM_REG32(0x2E0)
+#define PM_PWSTST_CORE PRCM_REG32(0x2E4)
+
+/* GFX */
+#define CM_FCLKEN_GFX PRCM_REG32(0x300)
+#define CM_ICLKEN_GFX PRCM_REG32(0x310)
+#define CM_IDLEST_GFX PRCM_REG32(0x320)
+#define CM_CLKSEL_GFX PRCM_REG32(0x340)
+#define CM_CLKSTCTRL_GFX PRCM_REG32(0x348)
+#define RM_RSTCTRL_GFX PRCM_REG32(0x350)
+#define RM_RSTST_GFX PRCM_REG32(0x358)
+#define PM_WKDEP_GFX PRCM_REG32(0x3C8)
+#define PM_PWSTCTRL_GFX PRCM_REG32(0x3E0)
+#define PM_PWSTST_GFX PRCM_REG32(0x3E4)
+
+/* WAKE-UP */
+#define CM_FCLKEN_WKUP PRCM_REG32(0x400)
+#define CM_ICLKEN_WKUP PRCM_REG32(0x410)
+#define CM_IDLEST_WKUP PRCM_REG32(0x420)
+#define CM_AUTOIDLE_WKUP PRCM_REG32(0x430)
+#define CM_CLKSEL_WKUP PRCM_REG32(0x440)
+#define RM_RSTCTRL_WKUP PRCM_REG32(0x450)
+#define RM_RSTTIME_WKUP PRCM_REG32(0x454)
+#define RM_RSTST_WKUP PRCM_REG32(0x458)
+#define PM_WKEN_WKUP PRCM_REG32(0x4A0)
+#define PM_WKST_WKUP PRCM_REG32(0x4B0)
+
+/* CLOCKS */
+#define CM_CLKEN_PLL PRCM_REG32(0x500)
+#define CM_IDLEST_CKGEN PRCM_REG32(0x520)
+#define CM_AUTOIDLE_PLL PRCM_REG32(0x530)
+#define CM_CLKSEL1_PLL PRCM_REG32(0x540)
+#define CM_CLKSEL2_PLL PRCM_REG32(0x544)
+
+/* DSP */
+#define CM_FCLKEN_DSP PRCM_REG32(0x800)
+#define CM_ICLKEN_DSP PRCM_REG32(0x810)
+#define CM_IDLEST_DSP PRCM_REG32(0x820)
+#define CM_AUTOIDLE_DSP PRCM_REG32(0x830)
+#define CM_CLKSEL_DSP PRCM_REG32(0x840)
+#define CM_CLKSTCTRL_DSP PRCM_REG32(0x848)
+#define RM_RSTCTRL_DSP PRCM_REG32(0x850)
+#define RM_RSTST_DSP PRCM_REG32(0x858)
+#define PM_WKEN_DSP PRCM_REG32(0x8A0)
+#define PM_WKDEP_DSP PRCM_REG32(0x8C8)
+#define PM_PWSTCTRL_DSP PRCM_REG32(0x8E0)
+#define PM_PWSTST_DSP PRCM_REG32(0x8E4)
+#define PRCM_IRQSTATUS_DSP PRCM_REG32(0x8F0)
+#define PRCM_IRQENABLE_DSP PRCM_REG32(0x8F4)
+
+/* IVA */
+#define PRCM_IRQSTATUS_IVA PRCM_REG32(0x8F8)
+#define PRCM_IRQENABLE_IVA PRCM_REG32(0x8FC)
+
+/* Modem on 2430 */
+#define CM_FCLKEN_MDM PRCM_REG32(0xC00)
+#define CM_ICLKEN_MDM PRCM_REG32(0xC10)
+#define CM_IDLEST_MDM PRCM_REG32(0xC20)
+#define CM_CLKSEL_MDM PRCM_REG32(0xC40)
+
+/* FIXME: Move to header for 2430 */
+#define DISP_BASE (OMAP24XX_L4_IO_BASE+0x50000)
+#define DISP_REG32(offset) __REG32(DISP_BASE + (offset))
+
+#define GPMC_BASE (OMAP24XX_GPMC_BASE)
+#define GPMC_REG32(offset) __REG32(GPMC_BASE + (offset))
+
+#define GPT1_BASE (OMAP24XX_GPT1)
+#define GPT1_REG32(offset) __REG32(GPT1_BASE + (offset))
+
+/* Misc sysconfig */
+#define DISPC_SYSCONFIG DISP_REG32(0x410)
+#define SPI_BASE (OMAP24XX_L4_IO_BASE+0x98000)
+#define MCSPI1_SYSCONFIG __REG32(SPI_BASE + 0x10)
+#define MCSPI2_SYSCONFIG __REG32(SPI_BASE+0x2000 + 0x10)
+
+//#define DSP_MMU_SYSCONFIG 0x5A000010
+#define CAMERA_MMU_SYSCONFIG __REG32(DISP_BASE+0x2C10)
+//#define IVA_MMU_SYSCONFIG 0x5D000010
+//#define DSP_DMA_SYSCONFIG 0x00FCC02C
+#define CAMERA_DMA_SYSCONFIG __REG32(DISP_BASE+0x282C)
+#define SYSTEM_DMA_SYSCONFIG __REG32(DISP_BASE+0x602C)
+#define GPMC_SYSCONFIG GPMC_REG32(0x010)
+#define MAILBOXES_SYSCONFIG __REG32(OMAP24XX_L4_IO_BASE+0x94010)
+#define UART1_SYSCONFIG __REG32(OMAP24XX_L4_IO_BASE+0x6A054)
+#define UART2_SYSCONFIG __REG32(OMAP24XX_L4_IO_BASE+0x6C054)
+#define UART3_SYSCONFIG __REG32(OMAP24XX_L4_IO_BASE+0x6E054)
+//#define IVA_SYSCONFIG 0x5C060010
+#define SDRC_SYSCONFIG __REG32(OMAP24XX_SDRC_BASE+0x10)
+#define SMS_SYSCONFIG __REG32(OMAP24XX_SMS_BASE+0x10)
+#define SSI_SYSCONFIG __REG32(DISP_BASE+0x8010)
+//#define VLYNQ_SYSCONFIG 0x67FFFE10
+
+/* rkw - good cannidates for PM_ to start what nm was trying */
+#define OMAP24XX_GPT2 (OMAP24XX_L4_IO_BASE+0x2A000)
+#define OMAP24XX_GPT3 (OMAP24XX_L4_IO_BASE+0x78000)
+#define OMAP24XX_GPT4 (OMAP24XX_L4_IO_BASE+0x7A000)
+#define OMAP24XX_GPT5 (OMAP24XX_L4_IO_BASE+0x7C000)
+#define OMAP24XX_GPT6 (OMAP24XX_L4_IO_BASE+0x7E000)
+#define OMAP24XX_GPT7 (OMAP24XX_L4_IO_BASE+0x80000)
+#define OMAP24XX_GPT8 (OMAP24XX_L4_IO_BASE+0x82000)
+#define OMAP24XX_GPT9 (OMAP24XX_L4_IO_BASE+0x84000)
+#define OMAP24XX_GPT10 (OMAP24XX_L4_IO_BASE+0x86000)
+#define OMAP24XX_GPT11 (OMAP24XX_L4_IO_BASE+0x88000)
+#define OMAP24XX_GPT12 (OMAP24XX_L4_IO_BASE+0x8A000)
+
+#define GPTIMER1_SYSCONFIG GPT1_REG32(0x010)
+#define GPTIMER2_SYSCONFIG __REG32(OMAP24XX_GPT2 + 0x10)
+#define GPTIMER3_SYSCONFIG __REG32(OMAP24XX_GPT3 + 0x10)
+#define GPTIMER4_SYSCONFIG __REG32(OMAP24XX_GPT4 + 0x10)
+#define GPTIMER5_SYSCONFIG __REG32(OMAP24XX_GPT5 + 0x10)
+#define GPTIMER6_SYSCONFIG __REG32(OMAP24XX_GPT6 + 0x10)
+#define GPTIMER7_SYSCONFIG __REG32(OMAP24XX_GPT7 + 0x10)
+#define GPTIMER8_SYSCONFIG __REG32(OMAP24XX_GPT8 + 0x10)
+#define GPTIMER9_SYSCONFIG __REG32(OMAP24XX_GPT9 + 0x10)
+#define GPTIMER10_SYSCONFIG __REG32(OMAP24XX_GPT10 + 0x10)
+#define GPTIMER11_SYSCONFIG __REG32(OMAP24XX_GPT11 + 0x10)
+#define GPTIMER12_SYSCONFIG __REG32(OMAP24XX_GPT12 + 0x10)
+
+#define GPIOX_BASE(X) (OMAP24XX_GPIO_BASE+(0x2000*((X)-1)))
+
+#define GPIO1_SYSCONFIG __REG32((GPIOX_BASE(1)+0x10))
+#define GPIO2_SYSCONFIG __REG32((GPIOX_BASE(2)+0x10))
+#define GPIO3_SYSCONFIG __REG32((GPIOX_BASE(3)+0x10))
+#define GPIO4_SYSCONFIG __REG32((GPIOX_BASE(4)+0x10))
+
+/* GP TIMER 1 */
+#define GPTIMER1_TISTAT GPT1_REG32(0x014)
+#define GPTIMER1_TISR GPT1_REG32(0x018)
+#define GPTIMER1_TIER GPT1_REG32(0x01C)
+#define GPTIMER1_TWER GPT1_REG32(0x020)
+#define GPTIMER1_TCLR GPT1_REG32(0x024)
+#define GPTIMER1_TCRR GPT1_REG32(0x028)
+#define GPTIMER1_TLDR GPT1_REG32(0x02C)
+#define GPTIMER1_TTGR GPT1_REG32(0x030)
+#define GPTIMER1_TWPS GPT1_REG32(0x034)
+#define GPTIMER1_TMAR GPT1_REG32(0x038)
+#define GPTIMER1_TCAR1 GPT1_REG32(0x03C)
+#define GPTIMER1_TSICR GPT1_REG32(0x040)
+#define GPTIMER1_TCAR2 GPT1_REG32(0x044)
+
+/* rkw -- base fix up please... */
+#define GPTIMER3_TISR __REG32(OMAP24XX_L4_IO_BASE+0x78018)
+
+/* SDRC */
+#define SDRC_DLLA_CTRL __REG32(OMAP24XX_SDRC_BASE+0x060)
+#define SDRC_DLLA_STATUS __REG32(OMAP24XX_SDRC_BASE+0x064)
+#define SDRC_DLLB_CTRL __REG32(OMAP24XX_SDRC_BASE+0x068)
+#define SDRC_DLLB_STATUS __REG32(OMAP24XX_SDRC_BASE+0x06C)
+#define SDRC_POWER __REG32(OMAP24XX_SDRC_BASE+0x070)
+#define SDRC_MR_0 __REG32(OMAP24XX_SDRC_BASE+0x084)
+
+/* GPIO 1 */
+#define GPIO1_BASE GPIOX_BASE(1)
+#define GPIO1_REG32(offset) __REG32(GPIO1_BASE + (offset))
+#define GPIO1_IRQENABLE1 GPIO1_REG32(0x01C)
+#define GPIO1_IRQSTATUS1 GPIO1_REG32(0x018)
+#define GPIO1_IRQENABLE2 GPIO1_REG32(0x02C)
+#define GPIO1_IRQSTATUS2 GPIO1_REG32(0x028)
+#define GPIO1_WAKEUPENABLE GPIO1_REG32(0x020)
+#define GPIO1_RISINGDETECT GPIO1_REG32(0x048)
+#define GPIO1_DATAIN GPIO1_REG32(0x038)
+#define GPIO1_OE GPIO1_REG32(0x034)
+#define GPIO1_DATAOUT GPIO1_REG32(0x03C)
+
+/* GPIO2 */
+#define GPIO2_BASE GPIOX_BASE(2)
+#define GPIO2_REG32(offset) __REG32(GPIO2_BASE + (offset))
+#define GPIO2_IRQENABLE1 GPIO2_REG32(0x01C)
+#define GPIO2_IRQSTATUS1 GPIO2_REG32(0x018)
+#define GPIO2_IRQENABLE2 GPIO2_REG32(0x02C)
+#define GPIO2_IRQSTATUS2 GPIO2_REG32(0x028)
+#define GPIO2_WAKEUPENABLE GPIO2_REG32(0x020)
+#define GPIO2_RISINGDETECT GPIO2_REG32(0x048)
+#define GPIO2_DATAIN GPIO2_REG32(0x038)
+#define GPIO2_OE GPIO2_REG32(0x034)
+#define GPIO2_DATAOUT GPIO2_REG32(0x03C)
+
+/* GPIO 3 */
+#define GPIO3_BASE GPIOX_BASE(3)
+#define GPIO3_REG32(offset) __REG32(GPIO3_BASE + (offset))
+#define GPIO3_IRQENABLE1 GPIO3_REG32(0x01C)
+#define GPIO3_IRQSTATUS1 GPIO3_REG32(0x018)
+#define GPIO3_IRQENABLE2 GPIO3_REG32(0x02C)
+#define GPIO3_IRQSTATUS2 GPIO3_REG32(0x028)
+#define GPIO3_WAKEUPENABLE GPIO3_REG32(0x020)
+#define GPIO3_RISINGDETECT GPIO3_REG32(0x048)
+#define GPIO3_FALLINGDETECT GPIO3_REG32(0x04C)
+#define GPIO3_DATAIN GPIO3_REG32(0x038)
+#define GPIO3_OE GPIO3_REG32(0x034)
+#define GPIO3_DATAOUT GPIO3_REG32(0x03C)
+#define GPIO3_DEBOUNCENABLE GPIO3_REG32(0x050)
+#define GPIO3_DEBOUNCINGTIME GPIO3_REG32(0x054)
+
+/* GPIO 4 */
+#define GPIO4_BASE GPIOX_BASE(4)
+#define GPIO4_REG32(offset) __REG32(GPIO4_BASE + (offset))
+#define GPIO4_IRQENABLE1 GPIO4_REG32(0x01C)
+#define GPIO4_IRQSTATUS1 GPIO4_REG32(0x018)
+#define GPIO4_IRQENABLE2 GPIO4_REG32(0x02C)
+#define GPIO4_IRQSTATUS2 GPIO4_REG32(0x028)
+#define GPIO4_WAKEUPENABLE GPIO4_REG32(0x020)
+#define GPIO4_RISINGDETECT GPIO4_REG32(0x048)
+#define GPIO4_FALLINGDETECT GPIO4_REG32(0x04C)
+#define GPIO4_DATAIN GPIO4_REG32(0x038)
+#define GPIO4_OE GPIO4_REG32(0x034)
+#define GPIO4_DATAOUT GPIO4_REG32(0x03C)
+#define GPIO4_DEBOUNCENABLE GPIO4_REG32(0x050)
+#define GPIO4_DEBOUNCINGTIME GPIO4_REG32(0x054)
+
+
+/* IO CONFIG */
+#define CONTROL_BASE (OMAP24XX_CTRL_BASE)
+#define CONTROL_REG32(offset) __REG32(CONTROL_BASE + (offset))
+
+#define CONTROL_PADCONF_SPI1_NCS2 CONTROL_REG32(0x104)
+#define CONTROL_PADCONF_SYS_XTALOUT CONTROL_REG32(0x134)
+#define CONTROL_PADCONF_UART1_RX CONTROL_REG32(0x0C8)
+#define CONTROL_PADCONF_MCBSP1_DX CONTROL_REG32(0x10C)
+#define CONTROL_PADCONF_GPMC_NCS4 CONTROL_REG32(0x090)
+#define CONTROL_PADCONF_DSS_D5 CONTROL_REG32(0x0B8)
+#define CONTROL_PADCONF_DSS_D9 CONTROL_REG32(0x0BC)
+#define CONTROL_PADCONF_DSS_D13 CONTROL_REG32(0x0C0)
+#define CONTROL_PADCONF_DSS_VSYNC CONTROL_REG32(0x0CC)
+
+/* CONTROL */
+#define CONTROL_DEVCONF CONTROL_REG32(0x274)
+
+/* INTERRUPT CONTROLLER */
+#define INTC_BASE (OMAP24XX_L4_IO_BASE+0xfe000)
+#define INTC_REG32(offset) __REG32(INTC_BASE + (offset))
+
+#define INTC1_U_BASE INTC_REG32(0x000)
+#define INTC_MIR0 INTC_REG32(0x084)
+#define INTC_MIR_SET0 INTC_REG32(0x08C)
+#define INTC_MIR_CLEAR0 INTC_REG32(0x088)
+#define INTC_ISR_CLEAR0 INTC_REG32(0x094)
+#define INTC_MIR1 INTC_REG32(0x0A4)
+#define INTC_MIR_SET1 INTC_REG32(0x0AC)
+#define INTC_MIR_CLEAR1 INTC_REG32(0x0A8)
+#define INTC_ISR_CLEAR1 INTC_REG32(0x0B4)
+#define INTC_MIR2 INTC_REG32(0x0C4)
+#define INTC_MIR_SET2 INTC_REG32(0x0CC)
+#define INTC_MIR_CLEAR2 INTC_REG32(0x0C8)
+#define INTC_ISR_CLEAR2 INTC_REG32(0x0D4)
+#define INTC_SIR_IRQ INTC_REG32(0x040)
+#define INTC_CONTROL INTC_REG32(0x048)
+#define INTC_ILR11 INTC_REG32(0x12C)
+#define INTC_ILR32 INTC_REG32(0x180)
+#define INTC_ILR37 INTC_REG32(0x194)
+#define INTC_SYSCONFIG INTC_REG32(0x010)
+
+/* RAM FIREWALL */
+#define RAMFW_BASE (0x68005000)
+#define RAMFW_REG32(offset) __REG32(RAMFW_BASE + (offset))
+
+#define RAMFW_REQINFOPERM0 RAMFW_REG32(0x048)
+#define RAMFW_READPERM0 RAMFW_REG32(0x050)
+#define RAMFW_WRITEPERM0 RAMFW_REG32(0x058)
+
+/* GPMC CS1 FPGA ON USER INTERFACE MODULE */
+//#define DEBUG_BOARD_LED_REGISTER 0x04000014
+
+/* GPMC CS0 */
+#define GPMC_CONFIG1_0 GPMC_REG32(0x060)
+#define GPMC_CONFIG2_0 GPMC_REG32(0x064)
+#define GPMC_CONFIG3_0 GPMC_REG32(0x068)
+#define GPMC_CONFIG4_0 GPMC_REG32(0x06C)
+#define GPMC_CONFIG5_0 GPMC_REG32(0x070)
+#define GPMC_CONFIG6_0 GPMC_REG32(0x074)
+#define GPMC_CONFIG7_0 GPMC_REG32(0x078)
+
+/* DSS */
+#define DSS_CONTROL DISP_REG32(0x040)
+#define DISPC_CONTROL DISP_REG32(0x440)
+#define DISPC_SYSSTATUS DISP_REG32(0x414)
+#define DISPC_IRQSTATUS DISP_REG32(0x418)
+#define DISPC_IRQENABLE DISP_REG32(0x41C)
+#define DISPC_CONFIG DISP_REG32(0x444)
+#define DISPC_DEFAULT_COLOR0 DISP_REG32(0x44C)
+#define DISPC_DEFAULT_COLOR1 DISP_REG32(0x450)
+#define DISPC_TRANS_COLOR0 DISP_REG32(0x454)
+#define DISPC_TRANS_COLOR1 DISP_REG32(0x458)
+#define DISPC_LINE_NUMBER DISP_REG32(0x460)
+#define DISPC_TIMING_H DISP_REG32(0x464)
+#define DISPC_TIMING_V DISP_REG32(0x468)
+#define DISPC_POL_FREQ DISP_REG32(0x46C)
+#define DISPC_DIVISOR DISP_REG32(0x470)
+#define DISPC_SIZE_DIG DISP_REG32(0x478)
+#define DISPC_SIZE_LCD DISP_REG32(0x47C)
+#define DISPC_GFX_BA0 DISP_REG32(0x480)
+#define DISPC_GFX_BA1 DISP_REG32(0x484)
+#define DISPC_GFX_POSITION DISP_REG32(0x488)
+#define DISPC_GFX_SIZE DISP_REG32(0x48C)
+#define DISPC_GFX_ATTRIBUTES DISP_REG32(0x4A0)
+#define DISPC_GFX_FIFO_THRESHOLD DISP_REG32(0x4A4)
+#define DISPC_GFX_ROW_INC DISP_REG32(0x4AC)
+#define DISPC_GFX_PIXEL_INC DISP_REG32(0x4B0)
+#define DISPC_GFX_WINDOW_SKIP DISP_REG32(0x4B4)
+#define DISPC_GFX_TABLE_BA DISP_REG32(0x4B8)
+#define DISPC_DATA_CYCLE1 DISP_REG32(0x5D4)
+#define DISPC_DATA_CYCLE2 DISP_REG32(0x5D8)
+#define DISPC_DATA_CYCLE3 DISP_REG32(0x5DC)
+
+/* Wake up define for board */
+#define GPIO97 (1 << 1)
+#define GPIO88 (1 << 24)
+
+#endif /* __ASSEMBLER__ */
+
+#endif
+
+
+
+
+
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
new file mode 100644
index 00000000000..f4df04fe1dd
--- /dev/null
+++ b/arch/arm/mach-omap2/serial.c
@@ -0,0 +1,180 @@
+/*
+ * arch/arm/mach-omap/omap2/serial.c
+ *
+ * OMAP2 serial support.
+ *
+ * Copyright (C) 2005 Nokia Corporation
+ * Author: Paul Mundt <paul.mundt@nokia.com>
+ *
+ * Based off of arch/arm/mach-omap/omap1/serial.c
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/serial_8250.h>
+#include <linux/serial_reg.h>
+
+#include <asm/io.h>
+#include <asm/hardware/clock.h>
+
+#include <asm/arch/common.h>
+#include <asm/arch/board.h>
+
+static struct clk * uart1_ick = NULL;
+static struct clk * uart1_fck = NULL;
+static struct clk * uart2_ick = NULL;
+static struct clk * uart2_fck = NULL;
+static struct clk * uart3_ick = NULL;
+static struct clk * uart3_fck = NULL;
+
+static struct plat_serial8250_port serial_platform_data[] = {
+ {
+ .membase = (char *)IO_ADDRESS(OMAP_UART1_BASE),
+ .mapbase = (unsigned long)OMAP_UART1_BASE,
+ .irq = 72,
+ .flags = UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = OMAP16XX_BASE_BAUD * 16,
+ }, {
+ .membase = (char *)IO_ADDRESS(OMAP_UART2_BASE),
+ .mapbase = (unsigned long)OMAP_UART2_BASE,
+ .irq = 73,
+ .flags = UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = OMAP16XX_BASE_BAUD * 16,
+ }, {
+ .membase = (char *)IO_ADDRESS(OMAP_UART3_BASE),
+ .mapbase = (unsigned long)OMAP_UART3_BASE,
+ .irq = 74,
+ .flags = UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = OMAP16XX_BASE_BAUD * 16,
+ }, {
+ .flags = 0
+ }
+};
+
+static inline unsigned int serial_read_reg(struct plat_serial8250_port *up,
+ int offset)
+{
+ offset <<= up->regshift;
+ return (unsigned int)__raw_readb(up->membase + offset);
+}
+
+static inline void serial_write_reg(struct plat_serial8250_port *p, int offset,
+ int value)
+{
+ offset <<= p->regshift;
+ __raw_writeb(value, (unsigned long)(p->membase + offset));
+}
+
+/*
+ * Internal UARTs need to be initialized for the 8250 autoconfig to work
+ * properly. Note that the TX watermark initialization may not be needed
+ * once the 8250.c watermark handling code is merged.
+ */
+static inline void __init omap_serial_reset(struct plat_serial8250_port *p)
+{
+ serial_write_reg(p, UART_OMAP_MDR1, 0x07);
+ serial_write_reg(p, UART_OMAP_SCR, 0x08);
+ serial_write_reg(p, UART_OMAP_MDR1, 0x00);
+ serial_write_reg(p, UART_OMAP_SYSC, 0x01);
+}
+
+void __init omap_serial_init()
+{
+ int i;
+ const struct omap_uart_config *info;
+
+ /*
+ * Make sure the serial ports are muxed on at this point.
+ * You have to mux them off in device drivers later on
+ * if not needed.
+ */
+
+ info = omap_get_config(OMAP_TAG_UART,
+ struct omap_uart_config);
+
+ if (info == NULL)
+ return;
+
+ for (i = 0; i < OMAP_MAX_NR_PORTS; i++) {
+ struct plat_serial8250_port *p = serial_platform_data + i;
+
+ if (!(info->enabled_uarts & (1 << i))) {
+ p->membase = 0;
+ p->mapbase = 0;
+ continue;
+ }
+
+ switch (i) {
+ case 0:
+ uart1_ick = clk_get(NULL, "uart1_ick");
+ if (IS_ERR(uart1_ick))
+ printk("Could not get uart1_ick\n");
+ else {
+ clk_use(uart1_ick);
+ }
+
+ uart1_fck = clk_get(NULL, "uart1_fck");
+ if (IS_ERR(uart1_fck))
+ printk("Could not get uart1_fck\n");
+ else {
+ clk_use(uart1_fck);
+ }
+ break;
+ case 1:
+ uart2_ick = clk_get(NULL, "uart2_ick");
+ if (IS_ERR(uart2_ick))
+ printk("Could not get uart2_ick\n");
+ else {
+ clk_use(uart2_ick);
+ }
+
+ uart2_fck = clk_get(NULL, "uart2_fck");
+ if (IS_ERR(uart2_fck))
+ printk("Could not get uart2_fck\n");
+ else {
+ clk_use(uart2_fck);
+ }
+ break;
+ case 2:
+ uart3_ick = clk_get(NULL, "uart3_ick");
+ if (IS_ERR(uart3_ick))
+ printk("Could not get uart3_ick\n");
+ else {
+ clk_use(uart3_ick);
+ }
+
+ uart3_fck = clk_get(NULL, "uart3_fck");
+ if (IS_ERR(uart3_fck))
+ printk("Could not get uart3_fck\n");
+ else {
+ clk_use(uart3_fck);
+ }
+ break;
+ }
+
+ omap_serial_reset(p);
+ }
+}
+
+static struct platform_device serial_device = {
+ .name = "serial8250",
+ .id = 0,
+ .dev = {
+ .platform_data = serial_platform_data,
+ },
+};
+
+static int __init omap_init(void)
+{
+ return platform_device_register(&serial_device);
+}
+arch_initcall(omap_init);
diff --git a/arch/arm/mach-omap2/sram-fn.S b/arch/arm/mach-omap2/sram-fn.S
new file mode 100644
index 00000000000..2a869e20334
--- /dev/null
+++ b/arch/arm/mach-omap2/sram-fn.S
@@ -0,0 +1,333 @@
+/*
+ * linux/arch/arm/mach-omap1/sram.S
+ *
+ * Omap2 specific functions that need to be run in internal SRAM
+ *
+ * (C) Copyright 2004
+ * Texas Instruments, <www.ti.com>
+ * Richard Woodruff <r-woodruff2@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include <linux/config.h>
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+#include <asm/arch/io.h>
+#include <asm/hardware.h>
+
+#include <asm/arch/prcm.h>
+
+#define TIMER_32KSYNCT_CR_V IO_ADDRESS(OMAP24XX_32KSYNCT_BASE + 0x010)
+
+#define CM_CLKSEL2_PLL_V IO_ADDRESS(OMAP24XX_PRCM_BASE + 0x544)
+#define PRCM_VOLTCTRL_V IO_ADDRESS(OMAP24XX_PRCM_BASE + 0x050)
+#define PRCM_CLKCFG_CTRL_V IO_ADDRESS(OMAP24XX_PRCM_BASE + 0x080)
+#define CM_CLKEN_PLL_V IO_ADDRESS(OMAP24XX_PRCM_BASE + 0x500)
+#define CM_IDLEST_CKGEN_V IO_ADDRESS(OMAP24XX_PRCM_BASE + 0x520)
+#define CM_CLKSEL1_PLL_V IO_ADDRESS(OMAP24XX_PRCM_BASE + 0x540)
+
+#define SDRC_DLLA_CTRL_V IO_ADDRESS(OMAP24XX_SDRC_BASE + 0x060)
+#define SDRC_RFR_CTRL_V IO_ADDRESS(OMAP24XX_SDRC_BASE + 0x0a4)
+
+ .text
+
+ENTRY(sram_ddr_init)
+ stmfd sp!, {r0 - r12, lr} @ save registers on stack
+
+ mov r12, r2 @ capture CS1 vs CS0
+ mov r8, r3 @ capture force parameter
+
+ /* frequency shift down */
+ ldr r2, cm_clksel2_pll @ get address of dpllout reg
+ mov r3, #0x1 @ value for 1x operation
+ str r3, [r2] @ go to L1-freq operation
+
+ /* voltage shift down */
+ mov r9, #0x1 @ set up for L1 voltage call
+ bl voltage_shift @ go drop voltage
+
+ /* dll lock mode */
+ ldr r11, sdrc_dlla_ctrl @ addr of dlla ctrl
+ ldr r10, [r11] @ get current val
+ cmp r12, #0x1 @ cs1 base (2422 es2.05/1)
+ addeq r11, r11, #0x8 @ if cs1 base, move to DLLB
+ mvn r9, #0x4 @ mask to get clear bit2
+ and r10, r10, r9 @ clear bit2 for lock mode.
+ orr r10, r10, #0x8 @ make sure DLL on (es2 bit pos)
+ orr r10, r10, #0x2 @ 90 degree phase for all below 133Mhz
+ str r10, [r11] @ commit to DLLA_CTRL
+ bl i_dll_wait @ wait for dll to lock
+
+ /* get dll value */
+ add r11, r11, #0x4 @ get addr of status reg
+ ldr r10, [r11] @ get locked value
+
+ /* voltage shift up */
+ mov r9, #0x0 @ shift back to L0-voltage
+ bl voltage_shift @ go raise voltage
+
+ /* frequency shift up */
+ mov r3, #0x2 @ value for 2x operation
+ str r3, [r2] @ go to L0-freq operation
+
+ /* reset entry mode for dllctrl */
+ sub r11, r11, #0x4 @ move from status to ctrl
+ cmp r12, #0x1 @ normalize if cs1 based
+ subeq r11, r11, #0x8 @ possibly back to DLLA
+ cmp r8, #0x1 @ if forced unlock exit
+ orreq r1, r1, #0x4 @ make sure exit with unlocked value
+ str r1, [r11] @ restore DLLA_CTRL high value
+ add r11, r11, #0x8 @ move to DLLB_CTRL addr
+ str r1, [r11] @ set value DLLB_CTRL
+ bl i_dll_wait @ wait for possible lock
+
+ /* set up for return, DDR should be good */
+ str r10, [r0] @ write dll_status and return counter
+ ldmfd sp!, {r0 - r12, pc} @ restore regs and return
+
+ /* ensure the DLL has relocked */
+i_dll_wait:
+ mov r4, #0x800 @ delay DLL relock, min 0x400 L3 clocks
+i_dll_delay:
+ subs r4, r4, #0x1
+ bne i_dll_delay
+ mov pc, lr
+
+ /*
+ * shift up or down voltage, use R9 as input to tell level.
+ * wait for it to finish, use 32k sync counter, 1tick=31uS.
+ */
+voltage_shift:
+ ldr r4, prcm_voltctrl @ get addr of volt ctrl.
+ ldr r5, [r4] @ get value.
+ ldr r6, prcm_mask_val @ get value of mask
+ and r5, r5, r6 @ apply mask to clear bits
+ orr r5, r5, r9 @ bulld value for L0/L1-volt operation.
+ str r5, [r4] @ set up for change.
+ mov r3, #0x4000 @ get val for force
+ orr r5, r5, r3 @ build value for force
+ str r5, [r4] @ Force transition to L1
+
+ ldr r3, timer_32ksynct_cr @ get addr of counter
+ ldr r5, [r3] @ get value
+ add r5, r5, #0x3 @ give it at most 93uS
+volt_delay:
+ ldr r7, [r3] @ get timer value
+ cmp r5, r7 @ time up?
+ bhi volt_delay @ not yet->branch
+ mov pc, lr @ back to caller.
+
+/* relative load constants */
+cm_clksel2_pll:
+ .word CM_CLKSEL2_PLL_V
+sdrc_dlla_ctrl:
+ .word SDRC_DLLA_CTRL_V
+prcm_voltctrl:
+ .word PRCM_VOLTCTRL_V
+prcm_mask_val:
+ .word 0xFFFF3FFC
+timer_32ksynct_cr:
+ .word TIMER_32KSYNCT_CR_V
+ENTRY(sram_ddr_init_sz)
+ .word . - sram_ddr_init
+
+/*
+ * Reprograms memory timings.
+ * r0 = [PRCM_FULL | PRCM_HALF] r1 = SDRC_DLLA_CTRL value r2 = [DDR | SDR]
+ * PRCM_FULL = 2, PRCM_HALF = 1, DDR = 1, SDR = 0
+ */
+ENTRY(sram_reprogram_sdrc)
+ stmfd sp!, {r0 - r10, lr} @ save registers on stack
+ mov r3, #0x0 @ clear for mrc call
+ mcr p15, 0, r3, c7, c10, 4 @ memory barrier, finish ARM SDR/DDR
+ nop
+ nop
+ ldr r6, ddr_sdrc_rfr_ctrl @ get addr of refresh reg
+ ldr r5, [r6] @ get value
+ mov r5, r5, lsr #8 @ isolate rfr field and drop burst
+
+ cmp r0, #0x1 @ going to half speed?
+ movne r9, #0x0 @ if up set flag up for pre up, hi volt
+
+ blne voltage_shift_c @ adjust voltage
+
+ cmp r0, #0x1 @ going to half speed (post branch link)
+ moveq r5, r5, lsr #1 @ divide by 2 if to half
+ movne r5, r5, lsl #1 @ mult by 2 if to full
+ mov r5, r5, lsl #8 @ put rfr field back into place
+ add r5, r5, #0x1 @ turn on burst of 1
+ ldr r4, ddr_cm_clksel2_pll @ get address of out reg
+ ldr r3, [r4] @ get curr value
+ orr r3, r3, #0x3
+ bic r3, r3, #0x3 @ clear lower bits
+ orr r3, r3, r0 @ new state value
+ str r3, [r4] @ set new state (pll/x, x=1 or 2)
+ nop
+ nop
+
+ moveq r9, #0x1 @ if speed down, post down, drop volt
+ bleq voltage_shift_c
+
+ mcr p15, 0, r3, c7, c10, 4 @ memory barrier
+ str r5, [r6] @ set new RFR_1 value
+ add r6, r6, #0x30 @ get RFR_2 addr
+ str r5, [r6] @ set RFR_2
+ nop
+ cmp r2, #0x1 @ (SDR or DDR) do we need to adjust DLL
+ bne freq_out @ leave if SDR, no DLL function
+
+ /* With DDR, we need to take care of the DLL for the frequency change */
+ ldr r2, ddr_sdrc_dlla_ctrl @ addr of dlla ctrl
+ str r1, [r2] @ write out new SDRC_DLLA_CTRL
+ add r2, r2, #0x8 @ addr to SDRC_DLLB_CTRL
+ str r1, [r2] @ commit to SDRC_DLLB_CTRL
+ mov r1, #0x2000 @ wait DLL relock, min 0x400 L3 clocks
+dll_wait:
+ subs r1, r1, #0x1
+ bne dll_wait
+freq_out:
+ ldmfd sp!, {r0 - r10, pc} @ restore regs and return
+
+ /*
+ * shift up or down voltage, use R9 as input to tell level.
+ * wait for it to finish, use 32k sync counter, 1tick=31uS.
+ */
+voltage_shift_c:
+ ldr r10, ddr_prcm_voltctrl @ get addr of volt ctrl
+ ldr r8, [r10] @ get value
+ ldr r7, ddr_prcm_mask_val @ get value of mask
+ and r8, r8, r7 @ apply mask to clear bits
+ orr r8, r8, r9 @ bulld value for L0/L1-volt operation.
+ str r8, [r10] @ set up for change.
+ mov r7, #0x4000 @ get val for force
+ orr r8, r8, r7 @ build value for force
+ str r8, [r10] @ Force transition to L1
+
+ ldr r10, ddr_timer_32ksynct @ get addr of counter
+ ldr r8, [r10] @ get value
+ add r8, r8, #0x2 @ give it at most 62uS (min 31+)
+volt_delay_c:
+ ldr r7, [r10] @ get timer value
+ cmp r8, r7 @ time up?
+ bhi volt_delay_c @ not yet->branch
+ mov pc, lr @ back to caller
+
+ddr_cm_clksel2_pll:
+ .word CM_CLKSEL2_PLL_V
+ddr_sdrc_dlla_ctrl:
+ .word SDRC_DLLA_CTRL_V
+ddr_sdrc_rfr_ctrl:
+ .word SDRC_RFR_CTRL_V
+ddr_prcm_voltctrl:
+ .word PRCM_VOLTCTRL_V
+ddr_prcm_mask_val:
+ .word 0xFFFF3FFC
+ddr_timer_32ksynct:
+ .word TIMER_32KSYNCT_CR_V
+
+ENTRY(sram_reprogram_sdrc_sz)
+ .word . - sram_reprogram_sdrc
+
+/*
+ * Set dividers and pll. Also recalculate DLL value for DDR and unlock mode.
+ */
+ENTRY(sram_set_prcm)
+ stmfd sp!, {r0-r12, lr} @ regs to stack
+ adr r4, pbegin @ addr of preload start
+ adr r8, pend @ addr of preload end
+ mcrr p15, 1, r8, r4, c12 @ preload into icache
+pbegin:
+ /* move into fast relock bypass */
+ ldr r8, pll_ctl @ get addr
+ ldr r5, [r8] @ get val
+ mvn r6, #0x3 @ clear mask
+ and r5, r5, r6 @ clear field
+ orr r7, r5, #0x2 @ fast relock val
+ str r7, [r8] @ go to fast relock
+ ldr r4, pll_stat @ addr of stat
+block:
+ /* wait for bypass */
+ ldr r8, [r4] @ stat value
+ and r8, r8, #0x3 @ mask for stat
+ cmp r8, #0x1 @ there yet
+ bne block @ loop if not
+
+ /* set new dpll dividers _after_ in bypass */
+ ldr r4, pll_div @ get addr
+ str r0, [r4] @ set dpll ctrl val
+
+ ldr r4, set_config @ get addr
+ mov r8, #1 @ valid cfg msk
+ str r8, [r4] @ make dividers take
+
+ mov r4, #100 @ dead spin a bit
+wait_a_bit:
+ subs r4, r4, #1 @ dec loop
+ bne wait_a_bit @ delay done?
+
+ /* check if staying in bypass */
+ cmp r2, #0x1 @ stay in bypass?
+ beq pend @ jump over dpll relock
+
+ /* relock DPLL with new vals */
+ ldr r5, pll_stat @ get addr
+ ldr r4, pll_ctl @ get addr
+ orr r8, r7, #0x3 @ val for lock dpll
+ str r8, [r4] @ set val
+ mov r0, #1000 @ dead spin a bit
+wait_more:
+ subs r0, r0, #1 @ dec loop
+ bne wait_more @ delay done?
+wait_lock:
+ ldr r8, [r5] @ get lock val
+ and r8, r8, #3 @ isolate field
+ cmp r8, #2 @ locked?
+ bne wait_lock @ wait if not
+pend:
+ /* update memory timings & briefly lock dll */
+ ldr r4, sdrc_rfr @ get addr
+ str r1, [r4] @ update refresh timing
+ ldr r11, dlla_ctrl @ get addr of DLLA ctrl
+ ldr r10, [r11] @ get current val
+ mvn r9, #0x4 @ mask to get clear bit2
+ and r10, r10, r9 @ clear bit2 for lock mode
+ orr r10, r10, #0x8 @ make sure DLL on (es2 bit pos)
+ str r10, [r11] @ commit to DLLA_CTRL
+ add r11, r11, #0x8 @ move to dllb
+ str r10, [r11] @ hit DLLB also
+
+ mov r4, #0x800 @ relock time (min 0x400 L3 clocks)
+wait_dll_lock:
+ subs r4, r4, #0x1
+ bne wait_dll_lock
+ nop
+ ldmfd sp!, {r0-r12, pc} @ restore regs and return
+
+set_config:
+ .word PRCM_CLKCFG_CTRL_V
+pll_ctl:
+ .word CM_CLKEN_PLL_V
+pll_stat:
+ .word CM_IDLEST_CKGEN_V
+pll_div:
+ .word CM_CLKSEL1_PLL_V
+sdrc_rfr:
+ .word SDRC_RFR_CTRL_V
+dlla_ctrl:
+ .word SDRC_DLLA_CTRL_V
+
+ENTRY(sram_set_prcm_sz)
+ .word . - sram_set_prcm
diff --git a/arch/arm/mach-omap2/timer-gp.c b/arch/arm/mach-omap2/timer-gp.c
new file mode 100644
index 00000000000..9ec11443200
--- /dev/null
+++ b/arch/arm/mach-omap2/timer-gp.c
@@ -0,0 +1,126 @@
+/*
+ * linux/arch/arm/mach-omap2/timer-gp.c
+ *
+ * OMAP2 GP timer support.
+ *
+ * Copyright (C) 2005 Nokia Corporation
+ * Author: Paul Mundt <paul.mundt@nokia.com>
+ * Juha Yrjölä <juha.yrjola@nokia.com>
+ *
+ * Some parts based off of TI's 24xx code:
+ *
+ * Copyright (C) 2004 Texas Instruments, Inc.
+ *
+ * Roughly modelled after the OMAP1 MPU timer code.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/time.h>
+#include <linux/interrupt.h>
+#include <linux/err.h>
+#include <asm/mach/time.h>
+#include <asm/delay.h>
+#include <asm/io.h>
+#include <asm/hardware/clock.h>
+
+#define OMAP2_GP_TIMER1_BASE 0x48028000
+#define OMAP2_GP_TIMER2_BASE 0x4802a000
+#define OMAP2_GP_TIMER3_BASE 0x48078000
+#define OMAP2_GP_TIMER4_BASE 0x4807a000
+
+#define GP_TIMER_TIDR 0x00
+#define GP_TIMER_TISR 0x18
+#define GP_TIMER_TIER 0x1c
+#define GP_TIMER_TCLR 0x24
+#define GP_TIMER_TCRR 0x28
+#define GP_TIMER_TLDR 0x2c
+#define GP_TIMER_TSICR 0x40
+
+#define OS_TIMER_NR 1 /* GP timer 2 */
+
+static unsigned long timer_base[] = {
+ IO_ADDRESS(OMAP2_GP_TIMER1_BASE),
+ IO_ADDRESS(OMAP2_GP_TIMER2_BASE),
+ IO_ADDRESS(OMAP2_GP_TIMER3_BASE),
+ IO_ADDRESS(OMAP2_GP_TIMER4_BASE),
+};
+
+static inline unsigned int timer_read_reg(int nr, unsigned int reg)
+{
+ return __raw_readl(timer_base[nr] + reg);
+}
+
+static inline void timer_write_reg(int nr, unsigned int reg, unsigned int val)
+{
+ __raw_writel(val, timer_base[nr] + reg);
+}
+
+/* Note that we always enable the clock prescale divider bit */
+static inline void omap2_gp_timer_start(int nr, unsigned long load_val)
+{
+ unsigned int tmp;
+
+ tmp = 0xffffffff - load_val;
+
+ timer_write_reg(nr, GP_TIMER_TLDR, tmp);
+ timer_write_reg(nr, GP_TIMER_TCRR, tmp);
+ timer_write_reg(nr, GP_TIMER_TIER, 1 << 1);
+ timer_write_reg(nr, GP_TIMER_TCLR, (1 << 5) | (1 << 1) | 1);
+}
+
+static irqreturn_t omap2_gp_timer_interrupt(int irq, void *dev_id,
+ struct pt_regs *regs)
+{
+ write_seqlock(&xtime_lock);
+
+ timer_write_reg(OS_TIMER_NR, GP_TIMER_TISR, 1 << 1);
+ timer_tick(regs);
+
+ write_sequnlock(&xtime_lock);
+
+ return IRQ_HANDLED;
+}
+
+static struct irqaction omap2_gp_timer_irq = {
+ .name = "gp timer",
+ .flags = SA_INTERRUPT,
+ .handler = omap2_gp_timer_interrupt,
+};
+
+static void __init omap2_gp_timer_init(void)
+{
+ struct clk * sys_ck;
+ u32 tick_period = 120000;
+ u32 l;
+
+ /* Reset clock and prescale value */
+ timer_write_reg(OS_TIMER_NR, GP_TIMER_TCLR, 0);
+
+ sys_ck = clk_get(NULL, "sys_ck");
+ if (IS_ERR(sys_ck))
+ printk(KERN_ERR "Could not get sys_ck\n");
+ else {
+ clk_use(sys_ck);
+ tick_period = clk_get_rate(sys_ck) / 100;
+ clk_put(sys_ck);
+ }
+
+ tick_period /= 2; /* Minimum prescale divider is 2 */
+ tick_period -= 1;
+
+ l = timer_read_reg(OS_TIMER_NR, GP_TIMER_TIDR);
+ printk(KERN_INFO "OMAP2 GP timer (HW version %d.%d)\n",
+ (l >> 4) & 0x0f, l & 0x0f);
+
+ setup_irq(38, &omap2_gp_timer_irq);
+
+ omap2_gp_timer_start(OS_TIMER_NR, tick_period);
+}
+
+struct sys_timer omap_timer = {
+ .init = omap2_gp_timer_init,
+};
+