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-rw-r--r--arch/arm/plat-s5p/Kconfig42
-rw-r--r--arch/arm/plat-s5p/Makefile24
-rw-r--r--arch/arm/plat-s5p/clock.c136
-rw-r--r--arch/arm/plat-s5p/cpu.c90
-rw-r--r--arch/arm/plat-s5p/dev-uart.c137
-rw-r--r--arch/arm/plat-s5p/include/plat/irqs.h83
-rw-r--r--arch/arm/plat-s5p/include/plat/pll.h83
-rw-r--r--arch/arm/plat-s5p/include/plat/s5p-clock.h38
-rw-r--r--arch/arm/plat-s5p/include/plat/s5p6440.h37
-rw-r--r--arch/arm/plat-s5p/irq.c73
-rw-r--r--arch/arm/plat-s5p/s5p6440-clock.c698
-rw-r--r--arch/arm/plat-s5p/s5p6440-init.c50
-rw-r--r--arch/arm/plat-s5p/setup-i2c0.c25
13 files changed, 1516 insertions, 0 deletions
diff --git a/arch/arm/plat-s5p/Kconfig b/arch/arm/plat-s5p/Kconfig
new file mode 100644
index 00000000000..e7c31e7060e
--- /dev/null
+++ b/arch/arm/plat-s5p/Kconfig
@@ -0,0 +1,42 @@
+# arch/arm/plat-s5p/Kconfig
+#
+# Copyright (c) 2009 Samsung Electronics Co., Ltd.
+# http://www.samsung.com/
+#
+# Licensed under GPLv2
+
+config PLAT_S5P
+ bool
+ depends on ARCH_S5P6440
+ default y
+ select PLAT_S3C
+ select ARM_VIC
+ select NO_IOPORT
+ select ARCH_REQUIRE_GPIOLIB
+ select S3C_GPIO_TRACK
+ select SAMSUNG_GPIOLIB_4BIT
+ select S3C_GPIO_CFG_S3C64XX
+ select S3C_GPIO_PULL_UPDOWN
+ select S3C_GPIO_CFG_S3C24XX
+ select PLAT_SAMSUNG
+ select SAMSUNG_CLKSRC
+ select SAMSUNG_IRQ_VIC_TIMER
+ select SAMSUNG_IRQ_UART
+ help
+ Base platform code for Samsung's S5P series SoC.
+
+if (PLAT_S5P && ARCH_S5P6440)
+
+# Configuration options shared by all S5P64XX implementations
+
+config CPU_S5P6440_INIT
+ bool
+ help
+ Initialisation code for the S5P6440.
+
+config CPU_S5P6440_CLOCK
+ bool
+ help
+ Clock support code for the S5P6440.
+
+endif
diff --git a/arch/arm/plat-s5p/Makefile b/arch/arm/plat-s5p/Makefile
new file mode 100644
index 00000000000..92b64745054
--- /dev/null
+++ b/arch/arm/plat-s5p/Makefile
@@ -0,0 +1,24 @@
+# arch/arm/plat-s5p/Makefile
+#
+# Copyright (c) 2009 Samsung Electronics Co., Ltd.
+# http://www.samsung.com/
+#
+# Licensed under GPLv2
+
+obj-y :=
+obj-m :=
+obj-n := dummy.o
+obj- :=
+
+# Core files
+
+obj-y += dev-uart.o
+obj-y += cpu.o
+obj-y += clock.o
+obj-y += irq.o
+obj-y += setup-i2c0.o
+
+# CPU support
+
+obj-$(CONFIG_CPU_S5P6440_INIT) += s5p6440-init.o
+obj-$(CONFIG_CPU_S5P6440_CLOCK) += s5p6440-clock.o
diff --git a/arch/arm/plat-s5p/clock.c b/arch/arm/plat-s5p/clock.c
new file mode 100644
index 00000000000..3d3c0f1934f
--- /dev/null
+++ b/arch/arm/plat-s5p/clock.c
@@ -0,0 +1,136 @@
+/* linux/arch/arm/plat-s5p/clock.c
+ *
+ * Copyright 2009 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * S5P - Common clock support
+ *
+ * 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/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/sysdev.h>
+#include <linux/io.h>
+#include <asm/div64.h>
+
+#include <plat/clock.h>
+#include <plat/clock-clksrc.h>
+#include <plat/s5p-clock.h>
+
+/* fin_apll, fin_mpll and fin_epll are all the same clock, which we call
+ * clk_ext_xtal_mux.
+*/
+struct clk clk_ext_xtal_mux = {
+ .name = "ext_xtal",
+ .id = -1,
+};
+
+/* 48MHz USB Phy clock output */
+struct clk clk_48m = {
+ .name = "clk_48m",
+ .id = -1,
+ .rate = 48000000,
+};
+
+/* APLL clock output
+ * No need .ctrlbit, this is always on
+*/
+struct clk clk_fout_apll = {
+ .name = "fout_apll",
+ .id = -1,
+};
+
+/* MPLL clock output
+ * No need .ctrlbit, this is always on
+*/
+struct clk clk_fout_mpll = {
+ .name = "fout_mpll",
+ .id = -1,
+};
+
+/* EPLL clock output */
+struct clk clk_fout_epll = {
+ .name = "fout_epll",
+ .id = -1,
+ .ctrlbit = (1 << 31),
+};
+
+/* ARM clock */
+struct clk clk_arm = {
+ .name = "armclk",
+ .id = -1,
+ .rate = 0,
+ .ctrlbit = 0,
+};
+
+/* Possible clock sources for APLL Mux */
+static struct clk *clk_src_apll_list[] = {
+ [0] = &clk_fin_apll,
+ [1] = &clk_fout_apll,
+};
+
+struct clksrc_sources clk_src_apll = {
+ .sources = clk_src_apll_list,
+ .nr_sources = ARRAY_SIZE(clk_src_apll_list),
+};
+
+/* Possible clock sources for MPLL Mux */
+static struct clk *clk_src_mpll_list[] = {
+ [0] = &clk_fin_mpll,
+ [1] = &clk_fout_mpll,
+};
+
+struct clksrc_sources clk_src_mpll = {
+ .sources = clk_src_mpll_list,
+ .nr_sources = ARRAY_SIZE(clk_src_mpll_list),
+};
+
+/* Possible clock sources for EPLL Mux */
+static struct clk *clk_src_epll_list[] = {
+ [0] = &clk_fin_epll,
+ [1] = &clk_fout_epll,
+};
+
+struct clksrc_sources clk_src_epll = {
+ .sources = clk_src_epll_list,
+ .nr_sources = ARRAY_SIZE(clk_src_epll_list),
+};
+
+int s5p_gatectrl(void __iomem *reg, struct clk *clk, int enable)
+{
+ unsigned int ctrlbit = clk->ctrlbit;
+ u32 con;
+
+ con = __raw_readl(reg);
+ con = enable ? (con | ctrlbit) : (con & ~ctrlbit);
+ __raw_writel(con, reg);
+ return 0;
+}
+
+static struct clk *s5p_clks[] __initdata = {
+ &clk_ext_xtal_mux,
+ &clk_48m,
+ &clk_fout_apll,
+ &clk_fout_mpll,
+ &clk_fout_epll,
+ &clk_arm,
+};
+
+void __init s5p_register_clocks(unsigned long xtal_freq)
+{
+ int ret;
+
+ clk_ext_xtal_mux.rate = xtal_freq;
+
+ ret = s3c24xx_register_clocks(s5p_clks, ARRAY_SIZE(s5p_clks));
+ if (ret > 0)
+ printk(KERN_ERR "Failed to register s5p clocks\n");
+}
diff --git a/arch/arm/plat-s5p/cpu.c b/arch/arm/plat-s5p/cpu.c
new file mode 100644
index 00000000000..0895a77a283
--- /dev/null
+++ b/arch/arm/plat-s5p/cpu.c
@@ -0,0 +1,90 @@
+/* linux/arch/arm/plat-s5p/cpu.c
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * S5P CPU Support
+ *
+ * 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/init.h>
+#include <linux/module.h>
+#include <mach/map.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <mach/regs-clock.h>
+#include <plat/cpu.h>
+#include <plat/s5p6440.h>
+
+/* table of supported CPUs */
+
+static const char name_s5p6440[] = "S5P6440";
+
+static struct cpu_table cpu_ids[] __initdata = {
+ {
+ .idcode = 0x56440100,
+ .idmask = 0xffffff00,
+ .map_io = s5p6440_map_io,
+ .init_clocks = s5p6440_init_clocks,
+ .init_uarts = s5p6440_init_uarts,
+ .init = s5p6440_init,
+ .name = name_s5p6440,
+ },
+};
+
+/* minimal IO mapping */
+
+#define UART_OFFS (S5P_PA_UART & 0xfffff)
+
+static struct map_desc s5p_iodesc[] __initdata = {
+ {
+ .virtual = (unsigned long)S5P_VA_SYSCON,
+ .pfn = __phys_to_pfn(S5P_PA_SYSCON),
+ .length = SZ_64K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)(S5P_VA_UART + UART_OFFS),
+ .pfn = __phys_to_pfn(S5P_PA_UART),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S5P_VA_VIC0,
+ .pfn = __phys_to_pfn(S5P_PA_VIC0),
+ .length = SZ_16K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S5P_VA_VIC1,
+ .pfn = __phys_to_pfn(S5P_PA_VIC1),
+ .length = SZ_16K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S5P_VA_TIMER,
+ .pfn = __phys_to_pfn(S5P_PA_TIMER),
+ .length = SZ_16K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S5P_VA_GPIO,
+ .pfn = __phys_to_pfn(S5P_PA_GPIO),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ },
+};
+
+/* read cpu identification code */
+
+void __init s5p_init_io(struct map_desc *mach_desc,
+ int size, void __iomem *cpuid_addr)
+{
+ unsigned long idcode;
+
+ /* initialize the io descriptors we need for initialization */
+ iotable_init(s5p_iodesc, ARRAY_SIZE(s5p_iodesc));
+ if (mach_desc)
+ iotable_init(mach_desc, size);
+
+ idcode = __raw_readl(cpuid_addr);
+ s3c_init_cpu(idcode, cpu_ids, ARRAY_SIZE(cpu_ids));
+}
diff --git a/arch/arm/plat-s5p/dev-uart.c b/arch/arm/plat-s5p/dev-uart.c
new file mode 100644
index 00000000000..23c75316d49
--- /dev/null
+++ b/arch/arm/plat-s5p/dev-uart.c
@@ -0,0 +1,137 @@
+/* linux/arch/arm/plat-s5p/dev-uart.c
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * Base S5P UART resource and device definitions
+ *
+ * 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/types.h>
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/irq.h>
+#include <mach/hardware.h>
+#include <mach/map.h>
+
+#include <plat/devs.h>
+
+ /* Serial port registrations */
+
+static struct resource s5p_uart0_resource[] = {
+ [0] = {
+ .start = S5P_PA_UART0,
+ .end = S5P_PA_UART0 + S5P_SZ_UART,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_S5P_UART_RX0,
+ .end = IRQ_S5P_UART_RX0,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = IRQ_S5P_UART_TX0,
+ .end = IRQ_S5P_UART_TX0,
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = IRQ_S5P_UART_ERR0,
+ .end = IRQ_S5P_UART_ERR0,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+static struct resource s5p_uart1_resource[] = {
+ [0] = {
+ .start = S5P_PA_UART1,
+ .end = S5P_PA_UART1 + S5P_SZ_UART,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_S5P_UART_RX1,
+ .end = IRQ_S5P_UART_RX1,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = IRQ_S5P_UART_TX1,
+ .end = IRQ_S5P_UART_TX1,
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = IRQ_S5P_UART_ERR1,
+ .end = IRQ_S5P_UART_ERR1,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource s5p_uart2_resource[] = {
+ [0] = {
+ .start = S5P_PA_UART2,
+ .end = S5P_PA_UART2 + S5P_SZ_UART,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_S5P_UART_RX2,
+ .end = IRQ_S5P_UART_RX2,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = IRQ_S5P_UART_TX2,
+ .end = IRQ_S5P_UART_TX2,
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = IRQ_S5P_UART_ERR2,
+ .end = IRQ_S5P_UART_ERR2,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource s5p_uart3_resource[] = {
+ [0] = {
+ .start = S5P_PA_UART3,
+ .end = S5P_PA_UART3 + S5P_SZ_UART,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_S5P_UART_RX3,
+ .end = IRQ_S5P_UART_RX3,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = IRQ_S5P_UART_TX3,
+ .end = IRQ_S5P_UART_TX3,
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = IRQ_S5P_UART_ERR3,
+ .end = IRQ_S5P_UART_ERR3,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct s3c24xx_uart_resources s5p_uart_resources[] __initdata = {
+ [0] = {
+ .resources = s5p_uart0_resource,
+ .nr_resources = ARRAY_SIZE(s5p_uart0_resource),
+ },
+ [1] = {
+ .resources = s5p_uart1_resource,
+ .nr_resources = ARRAY_SIZE(s5p_uart1_resource),
+ },
+ [2] = {
+ .resources = s5p_uart2_resource,
+ .nr_resources = ARRAY_SIZE(s5p_uart2_resource),
+ },
+ [3] = {
+ .resources = s5p_uart3_resource,
+ .nr_resources = ARRAY_SIZE(s5p_uart3_resource),
+ },
+};
diff --git a/arch/arm/plat-s5p/include/plat/irqs.h b/arch/arm/plat-s5p/include/plat/irqs.h
new file mode 100644
index 00000000000..5d7937dddad
--- /dev/null
+++ b/arch/arm/plat-s5p/include/plat/irqs.h
@@ -0,0 +1,83 @@
+/* linux/arch/arm/plat-s5p/include/plat/irqs.h
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * S5P Common IRQ support
+ *
+ * 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 __ASM_PLAT_S5P_IRQS_H
+#define __ASM_PLAT_S5P_IRQS_H __FILE__
+
+/* we keep the first set of CPU IRQs out of the range of
+ * the ISA space, so that the PC104 has them to itself
+ * and we don't end up having to do horrible things to the
+ * standard ISA drivers....
+ *
+ * note, since we're using the VICs, our start must be a
+ * mulitple of 32 to allow the common code to work
+ */
+
+#define S5P_IRQ_OFFSET (32)
+
+#define S5P_IRQ(x) ((x) + S5P_IRQ_OFFSET)
+
+#define S5P_VIC0_BASE S5P_IRQ(0)
+#define S5P_VIC1_BASE S5P_IRQ(32)
+
+#define IRQ_VIC0_BASE S5P_VIC0_BASE
+#define IRQ_VIC1_BASE S5P_VIC1_BASE
+
+/* UART interrupts, each UART has 4 intterupts per channel so
+ * use the space between the ISA and S3C main interrupts. Note, these
+ * are not in the same order as the S3C24XX series! */
+
+#define IRQ_S5P_UART_BASE0 (16)
+#define IRQ_S5P_UART_BASE1 (20)
+#define IRQ_S5P_UART_BASE2 (24)
+#define IRQ_S5P_UART_BASE3 (28)
+
+#define UART_IRQ_RXD (0)
+#define UART_IRQ_ERR (1)
+#define UART_IRQ_TXD (2)
+
+#define IRQ_S5P_UART_RX0 (IRQ_S5P_UART_BASE0 + UART_IRQ_RXD)
+#define IRQ_S5P_UART_TX0 (IRQ_S5P_UART_BASE0 + UART_IRQ_TXD)
+#define IRQ_S5P_UART_ERR0 (IRQ_S5P_UART_BASE0 + UART_IRQ_ERR)
+
+#define IRQ_S5P_UART_RX1 (IRQ_S5P_UART_BASE1 + UART_IRQ_RXD)
+#define IRQ_S5P_UART_TX1 (IRQ_S5P_UART_BASE1 + UART_IRQ_TXD)
+#define IRQ_S5P_UART_ERR1 (IRQ_S5P_UART_BASE1 + UART_IRQ_ERR)
+
+#define IRQ_S5P_UART_RX2 (IRQ_S5P_UART_BASE2 + UART_IRQ_RXD)
+#define IRQ_S5P_UART_TX2 (IRQ_S5P_UART_BASE2 + UART_IRQ_TXD)
+#define IRQ_S5P_UART_ERR2 (IRQ_S5P_UART_BASE2 + UART_IRQ_ERR)
+
+#define IRQ_S5P_UART_RX3 (IRQ_S5P_UART_BASE3 + UART_IRQ_RXD)
+#define IRQ_S5P_UART_TX3 (IRQ_S5P_UART_BASE3 + UART_IRQ_TXD)
+#define IRQ_S5P_UART_ERR3 (IRQ_S5P_UART_BASE3 + UART_IRQ_ERR)
+
+/* S3C compatibilty defines */
+#define IRQ_S3CUART_RX0 IRQ_S5P_UART_RX0
+#define IRQ_S3CUART_RX1 IRQ_S5P_UART_RX1
+#define IRQ_S3CUART_RX2 IRQ_S5P_UART_RX2
+#define IRQ_S3CUART_RX3 IRQ_S5P_UART_RX3
+
+/* VIC based IRQs */
+
+#define S5P_IRQ_VIC0(x) (S5P_VIC0_BASE + (x))
+#define S5P_IRQ_VIC1(x) (S5P_VIC1_BASE + (x))
+
+#define S5P_TIMER_IRQ(x) S5P_IRQ(64 + (x))
+
+#define IRQ_TIMER0 S5P_TIMER_IRQ(0)
+#define IRQ_TIMER1 S5P_TIMER_IRQ(1)
+#define IRQ_TIMER2 S5P_TIMER_IRQ(2)
+#define IRQ_TIMER3 S5P_TIMER_IRQ(3)
+#define IRQ_TIMER4 S5P_TIMER_IRQ(4)
+
+#endif /* __ASM_PLAT_S5P_IRQS_H */
diff --git a/arch/arm/plat-s5p/include/plat/pll.h b/arch/arm/plat-s5p/include/plat/pll.h
new file mode 100644
index 00000000000..d48325bb29e
--- /dev/null
+++ b/arch/arm/plat-s5p/include/plat/pll.h
@@ -0,0 +1,83 @@
+/* arch/arm/plat-s5p/include/plat/pll.h
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * S5P PLL code
+ *
+ * Based on arch/arm/plat-s3c64xx/include/plat/pll.h
+ *
+ * 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.
+*/
+
+#define PLL45XX_MDIV_MASK (0x3FF)
+#define PLL45XX_PDIV_MASK (0x3F)
+#define PLL45XX_SDIV_MASK (0x7)
+#define PLL45XX_MDIV_SHIFT (16)
+#define PLL45XX_PDIV_SHIFT (8)
+#define PLL45XX_SDIV_SHIFT (0)
+
+#include <asm/div64.h>
+
+enum pll45xx_type_t {
+ pll_4500,
+ pll_4502,
+ pll_4508
+};
+
+static inline unsigned long s5p_get_pll45xx(unsigned long baseclk, u32 pll_con,
+ enum pll45xx_type_t pll_type)
+{
+ u32 mdiv, pdiv, sdiv;
+ u64 fvco = baseclk;
+
+ mdiv = (pll_con >> PLL45XX_MDIV_SHIFT) & PLL45XX_MDIV_MASK;
+ pdiv = (pll_con >> PLL45XX_PDIV_SHIFT) & PLL45XX_PDIV_MASK;
+ sdiv = (pll_con >> PLL45XX_SDIV_SHIFT) & PLL45XX_SDIV_MASK;
+
+ if (pll_type == pll_4508)
+ sdiv = sdiv - 1;
+
+ fvco *= mdiv;
+ do_div(fvco, (pdiv << sdiv));
+
+ return (unsigned long)fvco;
+}
+
+#define PLL90XX_MDIV_MASK (0xFF)
+#define PLL90XX_PDIV_MASK (0x3F)
+#define PLL90XX_SDIV_MASK (0x7)
+#define PLL90XX_KDIV_MASK (0xffff)
+#define PLL90XX_MDIV_SHIFT (16)
+#define PLL90XX_PDIV_SHIFT (8)
+#define PLL90XX_SDIV_SHIFT (0)
+#define PLL90XX_KDIV_SHIFT (0)
+
+static inline unsigned long s5p_get_pll90xx(unsigned long baseclk,
+ u32 pll_con, u32 pll_conk)
+{
+ unsigned long result;
+ u32 mdiv, pdiv, sdiv, kdiv;
+ u64 tmp;
+
+ mdiv = (pll_con >> PLL90XX_MDIV_SHIFT) & PLL90XX_MDIV_MASK;
+ pdiv = (pll_con >> PLL90XX_PDIV_SHIFT) & PLL90XX_PDIV_MASK;
+ sdiv = (pll_con >> PLL90XX_SDIV_SHIFT) & PLL90XX_SDIV_MASK;
+ kdiv = pll_conk & PLL90XX_KDIV_MASK;
+
+ /* We need to multiple baseclk by mdiv (the integer part) and kdiv
+ * which is in 2^16ths, so shift mdiv up (does not overflow) and
+ * add kdiv before multiplying. The use of tmp is to avoid any
+ * overflows before shifting bac down into result when multipling
+ * by the mdiv and kdiv pair.
+ */
+
+ tmp = baseclk;
+ tmp *= (mdiv << 16) + kdiv;
+ do_div(tmp, (pdiv << sdiv));
+ result = tmp >> 16;
+
+ return result;
+}
diff --git a/arch/arm/plat-s5p/include/plat/s5p-clock.h b/arch/arm/plat-s5p/include/plat/s5p-clock.h
new file mode 100644
index 00000000000..e1a7444b882
--- /dev/null
+++ b/arch/arm/plat-s5p/include/plat/s5p-clock.h
@@ -0,0 +1,38 @@
+/* linux/arch/arm/plat-s5p/include/plat/s5p-clock.h
+ *
+ * Copyright 2009 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * Header file for s5p clock support
+ *
+ * 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 __ASM_PLAT_S5P_CLOCK_H
+#define __ASM_PLAT_S5P_CLOCK_H __FILE__
+
+#include <linux/clk.h>
+
+#define GET_DIV(clk, field) ((((clk) & field##_MASK) >> field##_SHIFT) + 1)
+
+#define clk_fin_apll clk_ext_xtal_mux
+#define clk_fin_mpll clk_ext_xtal_mux
+#define clk_fin_epll clk_ext_xtal_mux
+
+extern struct clk clk_ext_xtal_mux;
+extern struct clk clk_48m;
+extern struct clk clk_fout_apll;
+extern struct clk clk_fout_mpll;
+extern struct clk clk_fout_epll;
+extern struct clk clk_arm;
+
+extern struct clksrc_sources clk_src_apll;
+extern struct clksrc_sources clk_src_mpll;
+extern struct clksrc_sources clk_src_epll;
+
+extern int s5p6440_clk48m_ctrl(struct clk *clk, int enable);
+extern int s5p_gatectrl(void __iomem *reg, struct clk *clk, int enable);
+
+#endif /* __ASM_PLAT_S5P_CLOCK_H */
diff --git a/arch/arm/plat-s5p/include/plat/s5p6440.h b/arch/arm/plat-s5p/include/plat/s5p6440.h
new file mode 100644
index 00000000000..a4cd75afeb3
--- /dev/null
+++ b/arch/arm/plat-s5p/include/plat/s5p6440.h
@@ -0,0 +1,37 @@
+/* arch/arm/plat-s5p/include/plat/s5p6440.h
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * Header file for s5p6440 cpu support
+ *
+ * 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.
+*/
+
+ /* Common init code for S5P6440 related SoCs */
+
+extern void s5p6440_common_init_uarts(struct s3c2410_uartcfg *cfg, int no);
+extern void s5p6440_register_clocks(void);
+extern void s5p6440_setup_clocks(void);
+
+#ifdef CONFIG_CPU_S5P6440
+
+extern int s5p6440_init(void);
+extern void s5p6440_init_irq(void);
+extern void s5p6440_map_io(void);
+extern void s5p6440_init_clocks(int xtal);
+
+#define s5p6440_init_uarts s5p6440_common_init_uarts
+
+#else
+#define s5p6440_init_clocks NULL
+#define s5p6440_init_uarts NULL
+#define s5p6440_map_io NULL
+#define s5p6440_init NULL
+#endif
+
+/* S5P6440 timer */
+
+extern struct sys_timer s5p6440_timer;
diff --git a/arch/arm/plat-s5p/irq.c b/arch/arm/plat-s5p/irq.c
new file mode 100644
index 00000000000..eada40d0847
--- /dev/null
+++ b/arch/arm/plat-s5p/irq.c
@@ -0,0 +1,73 @@
+/* arch/arm/plat-s5p/irq.c
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * S5P - Interrupt handling
+ *
+ * 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/interrupt.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+
+#include <asm/hardware/vic.h>
+
+#include <linux/serial_core.h>
+#include <mach/map.h>
+#include <plat/regs-timer.h>
+#include <plat/regs-serial.h>
+#include <plat/cpu.h>
+#include <plat/irq-vic-timer.h>
+#include <plat/irq-uart.h>
+
+#define VIC_VAADDR(no) (S5P_VA_VIC0 + ((no)*0x10000))
+#define VIC_BASE(no) (S5P_VIC0_BASE + ((no)*32))
+
+/*
+ * Note, we make use of the fact that the parent IRQs, IRQ_UART[0..3]
+ * are consecutive when looking up the interrupt in the demux routines.
+ */
+static struct s3c_uart_irq uart_irqs[] = {
+ [0] = {
+ .regs = S5P_VA_UART0,
+ .base_irq = IRQ_S5P_UART_BASE0,
+ .parent_irq = IRQ_UART0,
+ },
+ [1] = {
+ .regs = S5P_VA_UART1,
+ .base_irq = IRQ_S5P_UART_BASE1,
+ .parent_irq = IRQ_UART1,
+ },
+ [2] = {
+ .regs = S5P_VA_UART2,
+ .base_irq = IRQ_S5P_UART_BASE2,
+ .parent_irq = IRQ_UART2,
+ },
+ [3] = {
+ .regs = S5P_VA_UART3,
+ .base_irq = IRQ_S5P_UART_BASE3,
+ .parent_irq = IRQ_UART3,
+ },
+};
+
+void __init s5p_init_irq(u32 *vic, u32 num_vic)
+{
+ int irq;
+
+ /* initialize the VICs */
+ for (irq = 0; irq < num_vic; irq++)
+ vic_init(VIC_VAADDR(irq), VIC_BASE(irq), vic[irq], 0);
+
+ s3c_init_vic_timer_irq(IRQ_TIMER0_VIC, IRQ_TIMER0);
+ s3c_init_vic_timer_irq(IRQ_TIMER1_VIC, IRQ_TIMER1);
+ s3c_init_vic_timer_irq(IRQ_TIMER2_VIC, IRQ_TIMER2);
+ s3c_init_vic_timer_irq(IRQ_TIMER3_VIC, IRQ_TIMER3);
+ s3c_init_vic_timer_irq(IRQ_TIMER4_VIC, IRQ_TIMER4);
+
+ s3c_init_uart_irqs(uart_irqs, ARRAY_SIZE(uart_irqs));
+}
diff --git a/arch/arm/plat-s5p/s5p6440-clock.c b/arch/arm/plat-s5p/s5p6440-clock.c
new file mode 100644
index 00000000000..2f412f8c121
--- /dev/null
+++ b/arch/arm/plat-s5p/s5p6440-clock.c
@@ -0,0 +1,698 @@
+/* linux/arch/arm/plat-s5p/s5p6440-clock.c
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * S5P6440 - Clock support
+ *
+ * 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/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/sysdev.h>
+#include <linux/io.h>
+
+#include <mach/hardware.h>
+#include <mach/map.h>
+
+#include <plat/cpu-freq.h>
+#include <mach/regs-clock.h>
+#include <plat/clock.h>
+#include <plat/cpu.h>
+#include <plat/clock-clksrc.h>
+#include <plat/s5p-clock.h>
+#include <plat/pll.h>
+#include <plat/s5p6440.h>
+
+/* APLL Mux output clock */
+static struct clksrc_clk clk_mout_apll = {
+ .clk = {
+ .name = "mout_apll",
+ .id = -1,
+ },
+ .sources = &clk_src_apll,
+ .reg_src = { .reg = S5P_CLK_SRC0, .shift = 0, .size = 1 },
+};
+
+static int s5p6440_epll_enable(struct clk *clk, int enable)
+{
+ unsigned int ctrlbit = clk->ctrlbit;
+ unsigned int epll_con = __raw_readl(S5P_EPLL_CON) & ~ctrlbit;
+
+ if (enable)
+ __raw_writel(epll_con | ctrlbit, S5P_EPLL_CON);
+ else
+ __raw_writel(epll_con, S5P_EPLL_CON);
+
+ return 0;
+}
+
+static unsigned long s5p6440_epll_get_rate(struct clk *clk)
+{
+ return clk->rate;
+}
+
+static u32 epll_div[][5] = {
+ { 36000000, 0, 48, 1, 4 },
+ { 48000000, 0, 32, 1, 3 },
+ { 60000000, 0, 40, 1, 3 },
+ { 72000000, 0, 48, 1, 3 },
+ { 84000000, 0, 28, 1, 2 },
+ { 96000000, 0, 32, 1, 2 },
+ { 32768000, 45264, 43, 1, 4 },
+ { 45158000, 6903, 30, 1, 3 },
+ { 49152000, 50332, 32, 1, 3 },
+ { 67738000, 10398, 45, 1, 3 },
+ { 73728000, 9961, 49, 1, 3 }
+};
+
+static int s5p6440_epll_set_rate(struct clk *clk, unsigned long rate)
+{
+ unsigned int epll_con, epll_con_k;
+ unsigned int i;
+
+ if (clk->rate == rate) /* Return if nothing changed */
+ return 0;
+
+ epll_con = __raw_readl(S5P_EPLL_CON);
+ epll_con_k = __raw_readl(S5P_EPLL_CON_K);
+
+ epll_con_k &= ~(PLL90XX_KDIV_MASK);
+ epll_con &= ~(PLL90XX_MDIV_MASK | PLL90XX_PDIV_MASK | PLL90XX_SDIV_MASK);
+
+ for (i = 0; i < ARRAY_SIZE(epll_div); i++) {
+ if (epll_div[i][0] == rate) {
+ epll_con_k |= (epll_div[i][1] << PLL90XX_KDIV_SHIFT);
+ epll_con |= (epll_div[i][2] << PLL90XX_MDIV_SHIFT) |
+ (epll_div[i][3] << PLL90XX_PDIV_SHIFT) |
+ (epll_div[i][4] << PLL90XX_SDIV_SHIFT);
+ break;
+ }
+ }
+
+ if (i == ARRAY_SIZE(epll_div)) {
+ printk(KERN_ERR "%s: Invalid Clock EPLL Frequency\n", __func__);
+ return -EINVAL;
+ }
+
+ __raw_writel(epll_con, S5P_EPLL_CON);
+ __raw_writel(epll_con_k, S5P_EPLL_CON_K);
+
+ clk->rate = rate;
+
+ return 0;
+}
+
+static struct clk_ops s5p6440_epll_ops = {
+ .get_rate = s5p6440_epll_get_rate,
+ .set_rate = s5p6440_epll_set_rate,
+};
+
+static struct clksrc_clk clk_mout_epll = {
+ .clk = {
+ .name = "mout_epll",
+ .id = -1,
+ },
+ .sources = &clk_src_epll,
+ .reg_src = { .reg = S5P_CLK_SRC0, .shift = 2, .size = 1 },
+};
+
+static struct clksrc_clk clk_mout_mpll = {
+ .clk = {
+ .name = "mout_mpll",
+ .id = -1,
+ },
+ .sources = &clk_src_mpll,
+ .reg_src = { .reg = S5P_CLK_SRC0, .shift = 1, .size = 1 },
+};
+
+static struct clk clk_h_low = {
+ .name = "hclk_low",
+ .id = -1,
+ .rate = 0,
+ .parent = NULL,
+ .ctrlbit = 0,
+ .ops = &clk_ops_def_setrate,
+};
+
+static struct clk clk_p_low = {
+ .name = "pclk_low",
+ .id = -1,
+ .rate = 0,
+ .parent = NULL,
+ .ctrlbit = 0,
+ .ops = &clk_ops_def_setrate,
+};
+
+enum perf_level {
+ L0 = 532*1000,
+ L1 = 266*1000,
+ L2 = 133*1000,
+};
+
+static const u32 clock_table[][3] = {
+ /*{ARM_CLK, DIVarm, DIVhclk}*/
+ {L0 * 1000, (0 << ARM_DIV_RATIO_SHIFT), (3 << S5P_CLKDIV0_HCLK_SHIFT)},
+ {L1 * 1000, (1 << ARM_DIV_RATIO_SHIFT), (1 << S5P_CLKDIV0_HCLK_SHIFT)},
+ {L2 * 1000, (3 << ARM_DIV_RATIO_SHIFT), (0 << S5P_CLKDIV0_HCLK_SHIFT)},
+};
+
+static unsigned long s5p6440_armclk_get_rate(struct clk *clk)
+{
+ unsigned long rate = clk_get_rate(clk->parent);
+ u32 clkdiv;
+
+ /* divisor mask starts at bit0, so no need to shift */
+ clkdiv = __raw_readl(ARM_CLK_DIV) & ARM_DIV_MASK;
+
+ return rate / (clkdiv + 1);
+}
+
+static unsigned long s5p6440_armclk_round_rate(struct clk *clk,
+ unsigned long rate)
+{
+ u32 iter;
+
+ for (iter = 1 ; iter < ARRAY_SIZE(clock_table) ; iter++) {
+ if (rate > clock_table[iter][0])
+ return clock_table[iter-1][0];
+ }
+
+ return clock_table[ARRAY_SIZE(clock_table) - 1][0];
+}
+
+static int s5p6440_armclk_set_rate(struct clk *clk, unsigned long rate)
+{
+ u32 round_tmp;
+ u32 iter;
+ u32 clk_div0_tmp;
+ u32 cur_rate = clk->ops->get_rate(clk);
+ unsigned long flags;
+
+ round_tmp = clk->ops->round_rate(clk, rate);
+ if (round_tmp == cur_rate)
+ return 0;
+
+
+ for (iter = 0 ; iter < ARRAY_SIZE(clock_table) ; iter++) {
+ if (round_tmp == clock_table[iter][0])
+ break;
+ }
+
+ if (iter >= ARRAY_SIZE(clock_table))
+ iter = ARRAY_SIZE(clock_table) - 1;
+
+ local_irq_save(flags);
+ if (cur_rate > round_tmp) {
+ /* Frequency Down */
+ clk_div0_tmp = __raw_readl(ARM_CLK_DIV) & ~(ARM_DIV_MASK);
+ clk_div0_tmp |= clock_table[iter][1];
+ __raw_writel(clk_div0_tmp, ARM_CLK_DIV);
+
+ clk_div0_tmp = __raw_readl(ARM_CLK_DIV) &
+ ~(S5P_CLKDIV0_HCLK_MASK);
+ clk_div0_tmp |= clock_table[iter][2];
+ __raw_writel(clk_div0_tmp, ARM_CLK_DIV);
+
+
+ } else {
+ /* Frequency Up */
+ clk_div0_tmp = __raw_readl(ARM_CLK_DIV) &
+ ~(S5P_CLKDIV0_HCLK_MASK);
+ clk_div0_tmp |= clock_table[iter][2];
+ __raw_writel(clk_div0_tmp, ARM_CLK_DIV);
+
+ clk_div0_tmp = __raw_readl(ARM_CLK_DIV) & ~(ARM_DIV_MASK);
+ clk_div0_tmp |= clock_table[iter][1];
+ __raw_writel(clk_div0_tmp, ARM_CLK_DIV);
+ }
+ local_irq_restore(flags);
+
+ clk->rate = clock_table[iter][0];
+
+ return 0;
+}
+
+static struct clk_ops s5p6440_clkarm_ops = {
+ .get_rate = s5p6440_armclk_get_rate,
+ .set_rate = s5p6440_armclk_set_rate,
+ .round_rate = s5p6440_armclk_round_rate,
+};
+
+static unsigned long s5p6440_clk_doutmpll_get_rate(struct clk *clk)
+{
+ unsigned long rate = clk_get_rate(clk->parent);
+
+ if (__raw_readl(S5P_CLK_DIV0) & S5P_CLKDIV0_MPLL_MASK)
+ rate /= 2;
+
+ return rate;
+}
+
+static struct clk clk_dout_mpll = {
+ .name = "dout_mpll",
+ .id = -1,
+ .parent = &clk_mout_mpll.clk,
+ .ops = &(struct clk_ops) {
+ .get_rate = s5p6440_clk_doutmpll_get_rate,
+ },
+};
+
+int s5p6440_clk48m_ctrl(struct clk *clk, int enable)
+{
+ unsigned long flags;
+ u32 val;
+
+ /* can't rely on clock lock, this register has other usages */
+ local_irq_save(flags);
+
+ val = __raw_readl(S5P_OTHERS);
+ if (enable)
+ val |= S5P_OTHERS_USB_SIG_MASK;
+ else
+ val &= ~S5P_OTHERS_USB_SIG_MASK;
+
+ __raw_writel(val, S5P_OTHERS);
+
+ local_irq_restore(flags);
+
+ return 0;
+}
+
+static int s5p6440_pclk_ctrl(struct clk *clk, int enable)
+{
+ return s5p_gatectrl(S5P_CLK_GATE_PCLK, clk, enable);
+}
+
+static int s5p6440_hclk0_ctrl(struct clk *clk, int enable)
+{
+ return s5p_gatectrl(S5P_CLK_GATE_HCLK0, clk, enable);
+}
+
+static int s5p6440_hclk1_ctrl(struct clk *clk, int enable)
+{
+ return s5p_gatectrl(S5P_CLK_GATE_HCLK1, clk, enable);
+}
+
+static int s5p6440_sclk_ctrl(struct clk *clk, int enable)
+{
+ return s5p_gatectrl(S5P_CLK_GATE_SCLK0, clk, enable);
+}
+
+static int s5p6440_mem_ctrl(struct clk *clk, int enable)
+{
+ return s5p_gatectrl(S5P_CLK_GATE_MEM0, clk, enable);
+}
+
+/*
+ * The following clocks will be disabled during clock initialization. It is
+ * recommended to keep the following clocks disabled until the driver requests
+ * for enabling the clock.
+ */
+static struct clk init_clocks_disable[] = {
+ {
+ .name = "nand",
+ .id = -1,
+ .parent = &clk_h,
+ .enable = s5p6440_mem_ctrl,
+ .ctrlbit = S5P_CLKCON_MEM0_HCLK_NFCON,
+ }, {
+ .name = "adc",
+ .id = -1,
+ .parent = &clk_p_low,
+ .enable = s5p6440_pclk_ctrl,
+ .ctrlbit = S5P_CLKCON_PCLK_TSADC,
+ }, {
+ .name = "i2c",
+ .id = -1,
+ .parent = &clk_p_low,
+ .enable = s5p6440_pclk_ctrl,
+ .ctrlbit = S5P_CLKCON_PCLK_IIC0,
+ }, {
+ .name = "i2s_v40",
+ .id = 0,
+ .parent = &clk_p_low,
+ .enable = s5p6440_pclk_ctrl,
+ .ctrlbit = S5P_CLKCON_PCLK_IIS2,
+ }, {
+ .name = "spi",
+ .id = 0,
+ .parent = &clk_p_low,
+ .enable = s5p6440_pclk_ctrl,
+ .ctrlbit = S5P_CLKCON_PCLK_SPI0,
+ }, {
+ .name = "spi",
+ .id = 1,
+ .parent = &clk_p_low,
+ .enable = s5p6440_pclk_ctrl,
+ .ctrlbit = S5P_CLKCON_PCLK_SPI1,
+ }, {
+ .name = "sclk_spi_48",
+ .id = 0,
+ .parent = &clk_48m,
+ .enable = s5p6440_sclk_ctrl,
+ .ctrlbit = S5P_CLKCON_SCLK0_SPI0_48,
+ }, {
+ .name = "sclk_spi_48",
+ .id = 1,
+ .parent = &clk_48m,
+ .enable = s5p6440_sclk_ctrl,
+ .ctrlbit = S5P_CLKCON_SCLK0_SPI1_48,
+ }, {
+ .name = "mmc_48m",
+ .id = 0,
+ .parent = &clk_48m,
+ .enable = s5p6440_sclk_ctrl,
+ .ctrlbit = S5P_CLKCON_SCLK0_MMC0_48,
+ }, {
+ .name = "mmc_48m",
+ .id = 1,
+ .parent = &clk_48m,
+ .enable = s5p6440_sclk_ctrl,
+ .ctrlbit = S5P_CLKCON_SCLK0_MMC1_48,
+ }, {
+ .name = "mmc_48m",
+ .id = 2,
+ .parent = &clk_48m,
+ .enable = s5p6440_sclk_ctrl,
+ .ctrlbit = S5P_CLKCON_SCLK0_MMC2_48,
+ }, {
+ .name = "otg",
+ .id = -1,
+ .parent = &clk_h_low,
+ .enable = s5p6440_hclk0_ctrl,
+ .ctrlbit = S5P_CLKCON_HCLK0_USB
+ }, {
+ .name = "post",
+ .id = -1,
+ .parent = &clk_h_low,
+ .enable = s5p6440_hclk0_ctrl,
+ .ctrlbit = S5P_CLKCON_HCLK0_POST0
+ }, {
+ .name = "lcd",
+ .id = -1,
+ .parent = &clk_h_low,
+ .enable = s5p6440_hclk1_ctrl,
+ .ctrlbit = S5P_CLKCON_HCLK1_DISPCON,
+ }, {
+ .name = "hsmmc",
+ .id = 0,
+ .parent = &clk_h_low,
+ .enable = s5p6440_hclk0_ctrl,
+ .ctrlbit = S5P_CLKCON_HCLK0_HSMMC0,
+ }, {
+ .name = "hsmmc",
+ .id = 1,
+ .parent = &clk_h_low,
+ .enable = s5p6440_hclk0_ctrl,
+ .ctrlbit = S5P_CLKCON_HCLK0_HSMMC1,
+ }, {
+ .name = "hsmmc",
+ .id = 2,
+ .parent = &clk_h_low,
+ .enable = s5p6440_hclk0_ctrl,
+ .ctrlbit = S5P_CLKCON_HCLK0_HSMMC2,
+ }, {
+ .name = "rtc",
+ .id = -1,
+ .parent = &clk_p_low,
+ .enable = s5p6440_pclk_ctrl,
+ .ctrlbit = S5P_CLKCON_PCLK_RTC,
+ }, {
+ .name = "watchdog",
+ .id = -1,
+ .parent = &clk_p_low,
+ .enable = s5p6440_pclk_ctrl,
+ .ctrlbit = S5P_CLKCON_PCLK_WDT,
+ }, {
+ .name = "timers",
+ .id = -1,
+ .parent = &clk_p_low,
+ .enable = s5p6440_pclk_ctrl,
+ .ctrlbit = S5P_CLKCON_PCLK_PWM,
+ }
+};
+
+/*
+ * The following clocks will be enabled during clock initialization.
+ */
+static struct clk init_clocks[] = {
+ {
+ .name = "gpio",
+ .id = -1,
+ .parent = &clk_p_low,
+ .enable = s5p6440_pclk_ctrl,
+ .ctrlbit = S5P_CLKCON_PCLK_GPIO,
+ }, {
+ .name = "uart",
+ .id = 0,
+ .parent = &clk_p_low,
+ .enable = s5p6440_pclk_ctrl,
+ .ctrlbit = S5P_CLKCON_PCLK_UART0,
+ }, {
+ .name = "uart",
+ .id = 1,
+ .parent = &clk_p_low,
+ .enable = s5p6440_pclk_ctrl,
+ .ctrlbit = S5P_CLKCON_PCLK_UART1,
+ }, {
+ .name = "uart",
+ .id = 2,
+ .parent = &clk_p_low,
+ .enable = s5p6440_pclk_ctrl,
+ .ctrlbit = S5P_CLKCON_PCLK_UART2,
+ }, {
+ .name = "uart",
+ .id = 3,
+ .parent = &clk_p_low,
+ .enable = s5p6440_pclk_ctrl,
+ .ctrlbit = S5P_CLKCON_PCLK_UART3,
+ }
+};
+
+static struct clk clk_iis_cd_v40 = {
+ .name = "iis_cdclk_v40",
+ .id = -1,
+};
+
+static struct clk clk_pcm_cd = {
+ .name = "pcm_cdclk",
+ .id = -1,
+};
+
+static struct clk *clkset_spi_mmc_list[] = {
+ &clk_mout_epll.clk,
+ &clk_dout_mpll,
+ &clk_fin_epll,
+};
+
+static struct clksrc_sources clkset_spi_mmc = {
+ .sources = clkset_spi_mmc_list,
+ .nr_sources = ARRAY_SIZE(clkset_spi_mmc_list),
+};
+
+static struct clk *clkset_uart_list[] = {
+ &clk_mout_epll.clk,
+ &clk_dout_mpll
+};
+
+static struct clksrc_sources clkset_uart = {
+ .sources = clkset_uart_list,
+ .nr_sources = ARRAY_SIZE(clkset_uart_list),
+};
+
+static struct clksrc_clk clksrcs[] = {
+ {
+ .clk = {
+ .name = "mmc_bus",
+ .id = 0,
+ .ctrlbit = S5P_CLKCON_SCLK0_MMC0,
+ .enable = s5p6440_sclk_ctrl,
+ },
+ .sources = &clkset_spi_mmc,
+ .reg_src = { .reg = S5P_CLK_SRC0, .shift = 18, .size = 2 },
+ .reg_div = { .reg = S5P_CLK_DIV1, .shift = 0, .size = 4 },
+ }, {
+ .clk = {
+ .name = "mmc_bus",
+ .id = 1,
+ .ctrlbit = S5P_CLKCON_SCLK0_MMC1,
+ .enable = s5p6440_sclk_ctrl,
+ },
+ .sources = &clkset_spi_mmc,
+ .reg_src = { .reg = S5P_CLK_SRC0, .shift = 20, .size = 2 },
+ .reg_div = { .reg = S5P_CLK_DIV1, .shift = 4, .size = 4 },
+ }, {
+ .clk = {
+ .name = "mmc_bus",
+ .id = 2,
+ .ctrlbit = S5P_CLKCON_SCLK0_MMC2,
+ .enable = s5p6440_sclk_ctrl,
+ },
+ .sources = &clkset_spi_mmc,
+ .reg_src = { .reg = S5P_CLK_SRC0, .shift = 22, .size = 2 },
+ .reg_div = { .reg = S5P_CLK_DIV1, .shift = 8, .size = 4 },
+ }, {
+ .clk = {
+ .name = "uclk1",
+ .id = -1,
+ .ctrlbit = S5P_CLKCON_SCLK0_UART,
+ .enable = s5p6440_sclk_ctrl,
+ },
+ .sources = &clkset_uart,
+ .reg_src = { .reg = S5P_CLK_SRC0, .shift = 13, .size = 1 },
+ .reg_div = { .reg = S5P_CLK_DIV2, .shift = 16, .size = 4 },
+ }, {
+ .clk = {
+ .name = "spi_epll",
+ .id = 0,
+ .ctrlbit = S5P_CLKCON_SCLK0_SPI0,
+ .enable = s5p6440_sclk_ctrl,
+ },
+ .sources = &clkset_spi_mmc,
+ .reg_src = { .reg = S5P_CLK_SRC0, .shift = 14, .size = 2 },
+ .reg_div = { .reg = S5P_CLK_DIV2, .shift = 0, .size = 4 },
+ }, {
+ .clk = {
+ .name = "spi_epll",
+ .id = 1,
+ .ctrlbit = S5P_CLKCON_SCLK0_SPI1,
+ .enable = s5p6440_sclk_ctrl,
+ },
+ .sources = &clkset_spi_mmc,
+ .reg_src = { .reg = S5P_CLK_SRC0, .shift = 16, .size = 2 },
+ .reg_div = { .reg = S5P_CLK_DIV2, .shift = 4, .size = 4 },
+ }
+};
+
+/* Clock initialisation code */
+static struct clksrc_clk *init_parents[] = {
+ &clk_mout_apll,
+ &clk_mout_epll,
+ &clk_mout_mpll,
+};
+
+void __init_or_cpufreq s5p6440_setup_clocks(void)
+{
+ struct clk *xtal_clk;
+ unsigned long xtal;
+ unsigned long fclk;
+ unsigned long hclk;
+ unsigned long hclk_low;
+ unsigned long pclk;
+ unsigned long pclk_low;
+ unsigned long epll;
+ unsigned long apll;
+ unsigned long mpll;
+ unsigned int ptr;
+ u32 clkdiv0;
+ u32 clkdiv3;
+
+ /* Set S5P6440 functions for clk_fout_epll */
+ clk_fout_epll.enable = s5p6440_epll_enable;
+ clk_fout_epll.ops = &s5p6440_epll_ops;
+
+ /* Set S5P6440 functions for arm clock */
+ clk_arm.parent = &clk_mout_apll.clk;
+ clk_arm.ops = &s5p6440_clkarm_ops;
+ clk_48m.enable = s5p6440_clk48m_ctrl;
+
+ clkdiv0 = __raw_readl(S5P_CLK_DIV0);
+ clkdiv3 = __raw_readl(S5P_CLK_DIV3);
+
+ xtal_clk = clk_get(NULL, "ext_xtal");
+ BUG_ON(IS_ERR(xtal_clk));
+
+ xtal = clk_get_rate(xtal_clk);
+ clk_put(xtal_clk);
+
+ epll = s5p_get_pll90xx(xtal, __raw_readl(S5P_EPLL_CON),
+ __raw_readl(S5P_EPLL_CON_K));
+ mpll = s5p_get_pll45xx(xtal, __raw_readl(S5P_MPLL_CON), pll_4502);
+ apll = s5p_get_pll45xx(xtal, __raw_readl(S5P_APLL_CON), pll_4502);
+
+ printk(KERN_INFO "S5P6440: PLL settings, A=%ld.%ldMHz, M=%ld.%ldMHz," \
+ " E=%ld.%ldMHz\n",
+ print_mhz(apll), print_mhz(mpll), print_mhz(epll));
+
+ fclk = apll / GET_DIV(clkdiv0, S5P_CLKDIV0_ARM);
+ hclk = fclk / GET_DIV(clkdiv0, S5P_CLKDIV0_HCLK);
+ pclk = hclk / GET_DIV(clkdiv0, S5P_CLKDIV0_PCLK);
+
+ if (__raw_readl(S5P_OTHERS) & S5P_OTHERS_HCLK_LOW_SEL_MPLL) {
+ /* Asynchronous mode */
+ hclk_low = mpll / GET_DIV(clkdiv3, S5P_CLKDIV3_HCLK_LOW);
+ } else {
+ /* Synchronous mode */
+ hclk_low = apll / GET_DIV(clkdiv3, S5P_CLKDIV3_HCLK_LOW);
+ }
+
+ pclk_low = hclk_low / GET_DIV(clkdiv3, S5P_CLKDIV3_PCLK_LOW);
+
+ printk(KERN_INFO "S5P6440: HCLK=%ld.%ldMHz, HCLK_LOW=%ld.%ldMHz," \
+ " PCLK=%ld.%ldMHz, PCLK_LOW=%ld.%ldMHz\n",
+ print_mhz(hclk), print_mhz(hclk_low),
+ print_mhz(pclk), print_mhz(pclk_low));
+
+ clk_fout_mpll.rate = mpll;
+ clk_fout_epll.rate = epll;
+ clk_fout_apll.rate = apll;
+
+ clk_f.rate = fclk;
+ clk_h.rate = hclk;
+ clk_p.rate = pclk;
+ clk_h_low.rate = hclk_low;
+ clk_p_low.rate = pclk_low;
+
+ for (ptr = 0; ptr < ARRAY_SIZE(init_parents); ptr++)
+ s3c_set_clksrc(init_parents[ptr], true);
+
+ for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++)
+ s3c_set_clksrc(&clksrcs[ptr], true);
+}
+
+static struct clk *clks[] __initdata = {
+ &clk_ext,
+ &clk_mout_epll.clk,
+ &clk_mout_mpll.clk,
+ &clk_dout_mpll,
+ &clk_iis_cd_v40,
+ &clk_pcm_cd,
+ &clk_p_low,
+ &clk_h_low,
+};
+
+void __init s5p6440_register_clocks(void)
+{
+ struct clk *clkp;
+ int ret;
+ int ptr;
+
+ ret = s3c24xx_register_clocks(clks, ARRAY_SIZE(clks));
+ if (ret > 0)
+ printk(KERN_ERR "Failed to register %u clocks\n", ret);
+
+ s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs));
+ s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks));
+
+ clkp = init_clocks_disable;
+ for (ptr = 0; ptr < ARRAY_SIZE(init_clocks_disable); ptr++, clkp++) {
+
+ ret = s3c24xx_register_clock(clkp);
+ if (ret < 0) {
+ printk(KERN_ERR "Failed to register clock %s (%d)\n",
+ clkp->name, ret);
+ }
+ (clkp->enable)(clkp, 0);
+ }
+
+ s3c_pwmclk_init();
+}
diff --git a/arch/arm/plat-s5p/s5p6440-init.c b/arch/arm/plat-s5p/s5p6440-init.c
new file mode 100644
index 00000000000..90178256cc2
--- /dev/null
+++ b/arch/arm/plat-s5p/s5p6440-init.c
@@ -0,0 +1,50 @@
+/* linux/arch/arm/plat-s5p/s5p6440-init.c
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ * http://www.samsung.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/kernel.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/serial_core.h>
+
+#include <plat/cpu.h>
+#include <plat/devs.h>
+#include <plat/s5p6440.h>
+#include <plat/regs-serial.h>
+
+static struct s3c24xx_uart_clksrc s5p6440_serial_clocks[] = {
+ [0] = {
+ .name = "pclk_low",
+ .divisor = 1,
+ .min_baud = 0,
+ .max_baud = 0,
+ },
+ [1] = {
+ .name = "uclk1",
+ .divisor = 1,
+ .min_baud = 0,
+ .max_baud = 0,
+ },
+};
+
+/* uart registration process */
+void __init s5p6440_common_init_uarts(struct s3c2410_uartcfg *cfg, int no)
+{
+ struct s3c2410_uartcfg *tcfg = cfg;
+ u32 ucnt;
+
+ for (ucnt = 0; ucnt < no; ucnt++, tcfg++) {
+ if (!tcfg->clocks) {
+ tcfg->clocks = s5p6440_serial_clocks;
+ tcfg->clocks_size = ARRAY_SIZE(s5p6440_serial_clocks);
+ }
+ }
+
+ s3c24xx_init_uartdevs("s3c6400-uart", s5p_uart_resources, cfg, no);
+}
diff --git a/arch/arm/plat-s5p/setup-i2c0.c b/arch/arm/plat-s5p/setup-i2c0.c
new file mode 100644
index 00000000000..67a66e02a97
--- /dev/null
+++ b/arch/arm/plat-s5p/setup-i2c0.c
@@ -0,0 +1,25 @@
+/* linux/arch/arm/plat-s5p/setup-i2c0.c
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * I2C0 GPIO configuration.
+ *
+ * Based on plat-s3c64xx/setup-i2c0.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/types.h>
+
+struct platform_device; /* don't need the contents */
+
+#include <plat/iic.h>
+
+void s3c_i2c0_cfg_gpio(struct platform_device *dev)
+{
+ /* Will be populated later */
+}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-01-05 05:55:16 +0000