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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-10-09 17:21:34 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-10-09 17:21:34 +0100
commit8e5bdc44ba82d1f75c8732c2c2b64a22bb622e8f (patch)
tree48716af89f175c89a9be2247f77e13099980e43f /arch/arm/mach-omap2
parent5a07055a3849574f4fbe5d0ce7cd2d26ab9a37c1 (diff)
parent2e7509e5b3acc4b8653faa1966e5ac234d36ac82 (diff)
Merge branch 'omap2-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6 into omap-all
Diffstat (limited to 'arch/arm/mach-omap2')
-rw-r--r--arch/arm/mach-omap2/Makefile5
-rw-r--r--arch/arm/mach-omap2/clock.h1
-rw-r--r--arch/arm/mach-omap2/devices.c225
-rw-r--r--arch/arm/mach-omap2/gpmc.c81
-rw-r--r--arch/arm/mach-omap2/id.c39
-rw-r--r--arch/arm/mach-omap2/io.c19
-rw-r--r--arch/arm/mach-omap2/irq.c77
-rw-r--r--arch/arm/mach-omap2/memory.h7
-rw-r--r--arch/arm/mach-omap2/mux.c202
-rw-r--r--arch/arm/mach-omap2/serial.c100
-rw-r--r--arch/arm/mach-omap2/sleep24xx.S (renamed from arch/arm/mach-omap2/sleep.S)32
11 files changed, 570 insertions, 218 deletions
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index e7cf1b4357c..800639e7c6a 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -14,7 +14,10 @@ obj-$(CONFIG_ARCH_OMAP2420) += sram242x.o
obj-$(CONFIG_ARCH_OMAP2430) += sram243x.o
# Power Management
-obj-$(CONFIG_PM) += pm.o sleep.o
+ifeq ($(CONFIG_PM),y)
+obj-y += pm.o
+obj-$(CONFIG_ARCH_OMAP24XX) += sleep24xx.o
+endif
# Clock framework
obj-$(CONFIG_ARCH_OMAP2) += clock24xx.o
diff --git a/arch/arm/mach-omap2/clock.h b/arch/arm/mach-omap2/clock.h
index ea55f286f47..1fb330e0847 100644
--- a/arch/arm/mach-omap2/clock.h
+++ b/arch/arm/mach-omap2/clock.h
@@ -21,6 +21,7 @@
/* The maximum error between a target DPLL rate and the rounded rate in Hz */
#define DEFAULT_DPLL_RATE_TOLERANCE 50000
+int omap2_clk_init(void);
int omap2_clk_enable(struct clk *clk);
void omap2_clk_disable(struct clk *clk);
long omap2_clk_round_rate(struct clk *clk, unsigned long rate);
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 7a7f0255907..7cca33e23fd 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -23,50 +23,7 @@
#include <mach/board.h>
#include <mach/mux.h>
#include <mach/gpio.h>
-
-#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,
- .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;
-
- if (!cpu_is_omap2430()) {
- 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
+#include <mach/eac.h>
#if defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE)
#define OMAP2_MBOX_BASE IO_ADDRESS(OMAP24XX_MAILBOX_BASE)
@@ -104,7 +61,9 @@ static inline void omap_init_mbox(void) { }
#if defined(CONFIG_OMAP_STI)
-#define OMAP2_STI_BASE IO_ADDRESS(0x48068000)
+#if defined(CONFIG_ARCH_OMAP2)
+
+#define OMAP2_STI_BASE 0x48068000
#define OMAP2_STI_CHANNEL_BASE 0x54000000
#define OMAP2_STI_IRQ 4
@@ -124,6 +83,25 @@ static struct resource sti_resources[] = {
.flags = IORESOURCE_IRQ,
}
};
+#elif defined(CONFIG_ARCH_OMAP3)
+
+#define OMAP3_SDTI_BASE 0x54500000
+#define OMAP3_SDTI_CHANNEL_BASE 0x54600000
+
+static struct resource sti_resources[] = {
+ {
+ .start = OMAP3_SDTI_BASE,
+ .end = OMAP3_SDTI_BASE + 0xFFF,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = OMAP3_SDTI_CHANNEL_BASE,
+ .end = OMAP3_SDTI_CHANNEL_BASE + SZ_1M - 1,
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+#endif
static struct platform_device sti_device = {
.name = "sti",
@@ -140,12 +118,14 @@ static inline void omap_init_sti(void)
static inline void omap_init_sti(void) {}
#endif
-#if defined(CONFIG_SPI_OMAP24XX)
+#if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE)
#include <mach/mcspi.h>
#define OMAP2_MCSPI1_BASE 0x48098000
#define OMAP2_MCSPI2_BASE 0x4809a000
+#define OMAP2_MCSPI3_BASE 0x480b8000
+#define OMAP2_MCSPI4_BASE 0x480ba000
static struct omap2_mcspi_platform_config omap2_mcspi1_config = {
.num_cs = 4,
@@ -159,7 +139,7 @@ static struct resource omap2_mcspi1_resources[] = {
},
};
-struct platform_device omap2_mcspi1 = {
+static struct platform_device omap2_mcspi1 = {
.name = "omap2_mcspi",
.id = 1,
.num_resources = ARRAY_SIZE(omap2_mcspi1_resources),
@@ -181,7 +161,7 @@ static struct resource omap2_mcspi2_resources[] = {
},
};
-struct platform_device omap2_mcspi2 = {
+static struct platform_device omap2_mcspi2 = {
.name = "omap2_mcspi",
.id = 2,
.num_resources = ARRAY_SIZE(omap2_mcspi2_resources),
@@ -191,16 +171,162 @@ struct platform_device omap2_mcspi2 = {
},
};
+#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3)
+static struct omap2_mcspi_platform_config omap2_mcspi3_config = {
+ .num_cs = 2,
+};
+
+static struct resource omap2_mcspi3_resources[] = {
+ {
+ .start = OMAP2_MCSPI3_BASE,
+ .end = OMAP2_MCSPI3_BASE + 0xff,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device omap2_mcspi3 = {
+ .name = "omap2_mcspi",
+ .id = 3,
+ .num_resources = ARRAY_SIZE(omap2_mcspi3_resources),
+ .resource = omap2_mcspi3_resources,
+ .dev = {
+ .platform_data = &omap2_mcspi3_config,
+ },
+};
+#endif
+
+#ifdef CONFIG_ARCH_OMAP3
+static struct omap2_mcspi_platform_config omap2_mcspi4_config = {
+ .num_cs = 1,
+};
+
+static struct resource omap2_mcspi4_resources[] = {
+ {
+ .start = OMAP2_MCSPI4_BASE,
+ .end = OMAP2_MCSPI4_BASE + 0xff,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device omap2_mcspi4 = {
+ .name = "omap2_mcspi",
+ .id = 4,
+ .num_resources = ARRAY_SIZE(omap2_mcspi4_resources),
+ .resource = omap2_mcspi4_resources,
+ .dev = {
+ .platform_data = &omap2_mcspi4_config,
+ },
+};
+#endif
+
static void omap_init_mcspi(void)
{
platform_device_register(&omap2_mcspi1);
platform_device_register(&omap2_mcspi2);
+#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3)
+ platform_device_register(&omap2_mcspi3);
+#endif
+#ifdef CONFIG_ARCH_OMAP3
+ platform_device_register(&omap2_mcspi4);
+#endif
}
#else
static inline void omap_init_mcspi(void) {}
#endif
+#ifdef CONFIG_SND_OMAP24XX_EAC
+
+#define OMAP2_EAC_BASE 0x48090000
+
+static struct resource omap2_eac_resources[] = {
+ {
+ .start = OMAP2_EAC_BASE,
+ .end = OMAP2_EAC_BASE + 0x109,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device omap2_eac_device = {
+ .name = "omap24xx-eac",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(omap2_eac_resources),
+ .resource = omap2_eac_resources,
+ .dev = {
+ .platform_data = NULL,
+ },
+};
+
+void omap_init_eac(struct eac_platform_data *pdata)
+{
+ omap2_eac_device.dev.platform_data = pdata;
+ platform_device_register(&omap2_eac_device);
+}
+
+#else
+void omap_init_eac(struct eac_platform_data *pdata) {}
+#endif
+
+#ifdef CONFIG_OMAP_SHA1_MD5
+static struct resource sha1_md5_resources[] = {
+ {
+ .start = OMAP24XX_SEC_SHA1MD5_BASE,
+ .end = OMAP24XX_SEC_SHA1MD5_BASE + 0x64,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = INT_24XX_SHA1MD5,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+static struct platform_device sha1_md5_device = {
+ .name = "OMAP SHA1/MD5",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(sha1_md5_resources),
+ .resource = sha1_md5_resources,
+};
+
+static void omap_init_sha1_md5(void)
+{
+ platform_device_register(&sha1_md5_device);
+}
+#else
+static inline void omap_init_sha1_md5(void) { }
+#endif
+
+#if defined(CONFIG_HDQ_MASTER_OMAP) || defined(CONFIG_HDQ_MASTER_OMAP_MODULE)
+#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3430)
+#define OMAP_HDQ_BASE 0x480B2000
+#endif
+static struct resource omap_hdq_resources[] = {
+ {
+ .start = OMAP_HDQ_BASE,
+ .end = OMAP_HDQ_BASE + 0x1C,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = INT_24XX_HDQ_IRQ,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+static struct platform_device omap_hdq_dev = {
+ .name = "omap_hdq",
+ .id = 0,
+ .dev = {
+ .platform_data = NULL,
+ },
+ .num_resources = ARRAY_SIZE(omap_hdq_resources),
+ .resource = omap_hdq_resources,
+};
+static inline void omap_hdq_init(void)
+{
+ (void) platform_device_register(&omap_hdq_dev);
+}
+#else
+static inline void omap_hdq_init(void) {}
+#endif
+
/*-------------------------------------------------------------------------*/
static int __init omap2_init_devices(void)
@@ -208,10 +334,11 @@ 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();
omap_init_mbox();
omap_init_mcspi();
+ omap_hdq_init();
omap_init_sti();
+ omap_init_sha1_md5();
return 0;
}
diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index 9b4e58ee2ca..149bfba43cf 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -9,27 +9,23 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
+#undef DEBUG
+
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/ioport.h>
#include <linux/spinlock.h>
+#include <linux/module.h>
#include <asm/io.h>
#include <asm/mach-types.h>
#include <mach/gpmc.h>
-#undef DEBUG
-
-#ifdef CONFIG_ARCH_OMAP2420
-#define GPMC_BASE 0x6800a000
-#endif
-
-#ifdef CONFIG_ARCH_OMAP2430
-#define GPMC_BASE 0x6E000000
-#endif
+#include <mach/sdrc.h>
+/* GPMC register offsets */
#define GPMC_REVISION 0x00
#define GPMC_SYSCONFIG 0x10
#define GPMC_SYSSTATUS 0x14
@@ -51,7 +47,6 @@
#define GPMC_CS0 0x60
#define GPMC_CS_SIZE 0x30
-#define GPMC_CS_NUM 8
#define GPMC_MEM_START 0x00000000
#define GPMC_MEM_END 0x3FFFFFFF
#define BOOT_ROM_SPACE 0x100000 /* 1MB */
@@ -64,10 +59,9 @@ static struct resource gpmc_cs_mem[GPMC_CS_NUM];
static DEFINE_SPINLOCK(gpmc_mem_lock);
static unsigned gpmc_cs_map;
-static void __iomem *gpmc_base = IO_ADDRESS(GPMC_BASE);
-static void __iomem *gpmc_cs_base = IO_ADDRESS(GPMC_BASE) + GPMC_CS0;
+static void __iomem *gpmc_base;
-static struct clk *gpmc_fck;
+static struct clk *gpmc_l3_clk;
static void gpmc_write_reg(int idx, u32 val)
{
@@ -83,19 +77,32 @@ void gpmc_cs_write_reg(int cs, int idx, u32 val)
{
void __iomem *reg_addr;
- reg_addr = gpmc_cs_base + (cs * GPMC_CS_SIZE) + idx;
+ reg_addr = gpmc_base + GPMC_CS0 + (cs * GPMC_CS_SIZE) + idx;
__raw_writel(val, reg_addr);
}
u32 gpmc_cs_read_reg(int cs, int idx)
{
- return __raw_readl(gpmc_cs_base + (cs * GPMC_CS_SIZE) + idx);
+ void __iomem *reg_addr;
+
+ reg_addr = gpmc_base + GPMC_CS0 + (cs * GPMC_CS_SIZE) + idx;
+ return __raw_readl(reg_addr);
}
+/* TODO: Add support for gpmc_fck to clock framework and use it */
unsigned long gpmc_get_fclk_period(void)
{
- /* In picoseconds */
- return 1000000000 / ((clk_get_rate(gpmc_fck)) / 1000);
+ unsigned long rate = clk_get_rate(gpmc_l3_clk);
+
+ if (rate == 0) {
+ printk(KERN_WARNING "gpmc_l3_clk not enabled\n");
+ return 0;
+ }
+
+ rate /= 1000;
+ rate = 1000000000 / rate; /* In picoseconds */
+
+ return rate;
}
unsigned int gpmc_ns_to_ticks(unsigned int time_ns)
@@ -108,6 +115,11 @@ unsigned int gpmc_ns_to_ticks(unsigned int time_ns)
return (time_ns * 1000 + tick_ps - 1) / tick_ps;
}
+unsigned int gpmc_ticks_to_ns(unsigned int ticks)
+{
+ return ticks * gpmc_get_fclk_period() / 1000;
+}
+
unsigned int gpmc_round_ns_to_ticks(unsigned int time_ns)
{
unsigned long ticks = gpmc_ns_to_ticks(time_ns);
@@ -348,6 +360,7 @@ out:
spin_unlock(&gpmc_mem_lock);
return r;
}
+EXPORT_SYMBOL(gpmc_cs_request);
void gpmc_cs_free(int cs)
{
@@ -363,8 +376,9 @@ void gpmc_cs_free(int cs)
gpmc_cs_set_reserved(cs, 0);
spin_unlock(&gpmc_mem_lock);
}
+EXPORT_SYMBOL(gpmc_cs_free);
-void __init gpmc_mem_init(void)
+static void __init gpmc_mem_init(void)
{
int cs;
unsigned long boot_rom_space = 0;
@@ -394,12 +408,33 @@ void __init gpmc_mem_init(void)
void __init gpmc_init(void)
{
u32 l;
+ char *ck;
+
+ if (cpu_is_omap24xx()) {
+ ck = "core_l3_ck";
+ if (cpu_is_omap2420())
+ l = OMAP2420_GPMC_BASE;
+ else
+ l = OMAP34XX_GPMC_BASE;
+ } else if (cpu_is_omap34xx()) {
+ ck = "gpmc_fck";
+ l = OMAP34XX_GPMC_BASE;
+ }
- gpmc_fck = clk_get(NULL, "gpmc_fck"); /* Always on ENABLE_ON_INIT */
- if (IS_ERR(gpmc_fck))
- WARN_ON(1);
- else
- clk_enable(gpmc_fck);
+ gpmc_l3_clk = clk_get(NULL, ck);
+ if (IS_ERR(gpmc_l3_clk)) {
+ printk(KERN_ERR "Could not get GPMC clock %s\n", ck);
+ return -ENODEV;
+ }
+
+ gpmc_base = ioremap(l, SZ_4K);
+ if (!gpmc_base) {
+ clk_put(gpmc_l3_clk);
+ printk(KERN_ERR "Could not get GPMC register memory\n");
+ return -ENOMEM;
+ }
+
+ BUG_ON(IS_ERR(gpmc_l3_clk));
l = gpmc_read_reg(GPMC_REVISION);
printk(KERN_INFO "GPMC revision %d.%d\n", (l >> 4) & 0x0f, l & 0x0f);
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index e53ebe7d58b..0670c8db010 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -17,24 +17,15 @@
#include <asm/io.h>
+#include <mach/common.h>
#include <mach/control.h>
#include <mach/cpu.h>
-#if defined(CONFIG_ARCH_OMAP2420)
-#define TAP_BASE IO_ADDRESS(0x48014000)
-#elif defined(CONFIG_ARCH_OMAP2430)
-#define TAP_BASE IO_ADDRESS(0x4900A000)
-#elif defined(CONFIG_ARCH_OMAP34XX)
-#define TAP_BASE IO_ADDRESS(0x4830A000)
-#endif
+static u32 class;
+static void __iomem *tap_base;
+static u16 tap_prod_id;
#define OMAP_TAP_IDCODE 0x0204
-#if defined(CONFIG_ARCH_OMAP34XX)
-#define OMAP_TAP_PROD_ID 0x0210
-#else
-#define OMAP_TAP_PROD_ID 0x0208
-#endif
-
#define OMAP_TAP_DIE_ID_0 0x0218
#define OMAP_TAP_DIE_ID_1 0x021C
#define OMAP_TAP_DIE_ID_2 0x0220
@@ -93,18 +84,24 @@ static u32 __init read_tap_reg(int reg)
* it means its Cortex r0p0 which is 3430 ES1
*/
if ((((cpuid >> 4) & 0xFFF) == 0xC08) && ((cpuid & 0xF) == 0x0)) {
+
+ if (reg == tap_prod_id) {
+ regval = 0x000F00F0;
+ goto out;
+ }
+
switch (reg) {
case OMAP_TAP_IDCODE : regval = 0x0B7AE02F; break;
/* Making DevType as 0xF in ES1 to differ from ES2 */
- case OMAP_TAP_PROD_ID : regval = 0x000F00F0; break;
case OMAP_TAP_DIE_ID_0: regval = 0x01000000; break;
case OMAP_TAP_DIE_ID_1: regval = 0x1012d687; break;
case OMAP_TAP_DIE_ID_2: regval = 0x00000000; break;
case OMAP_TAP_DIE_ID_3: regval = 0x2d2c0000; break;
}
} else
- regval = __raw_readl(TAP_BASE + reg);
+ regval = __raw_readl(tap_base + reg);
+out:
return regval;
}
@@ -203,7 +200,7 @@ void __init omap2_check_revision(void)
u8 rev;
idcode = read_tap_reg(OMAP_TAP_IDCODE);
- prod_id = read_tap_reg(OMAP_TAP_PROD_ID);
+ prod_id = read_tap_reg(tap_prod_id);
hawkeye = (idcode >> 12) & 0xffff;
rev = (idcode >> 28) & 0x0f;
dev_type = (prod_id >> 16) & 0x0f;
@@ -268,3 +265,13 @@ void __init omap2_check_revision(void)
}
+void __init omap2_set_globals_tap(struct omap_globals *omap2_globals)
+{
+ class = omap2_globals->class;
+ tap_base = omap2_globals->tap;
+
+ if (class == 0x3430)
+ tap_prod_id = 0x0210;
+ else
+ tap_prod_id = 0x0208;
+}
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 371e5409fef..03c6ab1a3b1 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -4,8 +4,11 @@
* OMAP2 I/O mapping code
*
* Copyright (C) 2005 Nokia Corporation
- * Author: Juha Yrjölä <juha.yrjola@nokia.com>
- * Updated map desc to add 2430 support : <x0khasim@ti.com>
+ * Copyright (C) 2007 Texas Instruments
+ *
+ * Author:
+ * Juha Yrjola <juha.yrjola@nokia.com>
+ * Syed Khasim <x0khasim@ti.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
@@ -23,6 +26,11 @@
#include <mach/mux.h>
#include <mach/omapfb.h>
+#include <mach/sram.h>
+
+#include "memory.h"
+
+#include "clock.h"
#include <mach/powerdomain.h>
@@ -31,13 +39,6 @@
#include <mach/clockdomain.h>
#include "clockdomains.h"
-extern void omap_sram_init(void);
-extern int omap2_clk_init(void);
-extern void omap2_check_revision(void);
-extern void omap2_init_memory(void);
-extern void gpmc_init(void);
-extern void omapfb_reserve_sdram(void);
-
/*
* The machine specific code may provide the extra mapping besides the
* default mapping provided here.
diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c
index 742bd0070e6..c39e26dc5ee 100644
--- a/arch/arm/mach-omap2/irq.c
+++ b/arch/arm/mach-omap2/irq.c
@@ -13,17 +13,23 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/interrupt.h>
+#include <linux/io.h>
#include <mach/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
+
+/* selected INTC register offsets */
+
+#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
+#define INTC_PENDING_IRQ0 0x0098
+
+/* Number of IRQ state bits in each MIR register */
+#define IRQ_BITS_PER_REG 32
/*
* OMAP2 has a number of different interrupt controllers, each interrupt
@@ -37,43 +43,45 @@ static struct omap_irq_bank {
} __attribute__ ((aligned(4))) irq_banks[] = {
{
/* MPU INTC */
- .base_reg = IO_ADDRESS(OMAP24XX_IC_BASE),
+ .base_reg = 0,
.nr_irqs = 96,
- }, {
- /* XXX: DSP INTC */
- }
+ },
};
+/* INTC bank register get/set */
+
+static void intc_bank_write_reg(u32 val, struct omap_irq_bank *bank, u16 reg)
+{
+ __raw_writel(val, bank->base_reg + reg);
+}
+
+static u32 intc_bank_read_reg(struct omap_irq_bank *bank, u16 reg)
+{
+ return __raw_readl(bank->base_reg + reg);
+}
+
/* XXX: FIQ and additional INTC support (only MPU at the moment) */
static void omap_ack_irq(unsigned int irq)
{
- __raw_writel(0x1, irq_banks[0].base_reg + INTC_CONTROL);
+ intc_bank_write_reg(0x1, &irq_banks[0], INTC_CONTROL);
}
static void omap_mask_irq(unsigned int irq)
{
- int offset = (irq >> 5) << 5;
+ int offset = irq & (~(IRQ_BITS_PER_REG - 1));
- if (irq >= 64) {
- irq %= 64;
- } else if (irq >= 32) {
- irq %= 32;
- }
+ irq &= (IRQ_BITS_PER_REG - 1);
- __raw_writel(1 << irq, irq_banks[0].base_reg + INTC_MIR_SET0 + offset);
+ intc_bank_write_reg(1 << irq, &irq_banks[0], INTC_MIR_SET0 + offset);
}
static void omap_unmask_irq(unsigned int irq)
{
- int offset = (irq >> 5) << 5;
+ int offset = irq & (~(IRQ_BITS_PER_REG - 1));
- if (irq >= 64) {
- irq %= 64;
- } else if (irq >= 32) {
- irq %= 32;
- }
+ irq &= (IRQ_BITS_PER_REG - 1);
- __raw_writel(1 << irq, irq_banks[0].base_reg + INTC_MIR_CLEAR0 + offset);
+ intc_bank_write_reg(1 << irq, &irq_banks[0], INTC_MIR_CLEAR0 + offset);
}
static void omap_mask_ack_irq(unsigned int irq)
@@ -93,20 +101,20 @@ static void __init omap_irq_bank_init_one(struct omap_irq_bank *bank)
{
unsigned long tmp;
- tmp = __raw_readl(bank->base_reg + INTC_REVISION) & 0xff;
+ tmp = intc_bank_read_reg(bank, INTC_REVISION) & 0xff;
printk(KERN_INFO "IRQ: Found an INTC at 0x%p "
"(revision %ld.%ld) with %d interrupts\n",
bank->base_reg, tmp >> 4, tmp & 0xf, bank->nr_irqs);
- tmp = __raw_readl(bank->base_reg + INTC_SYSCONFIG);
+ tmp = intc_bank_read_reg(bank, INTC_SYSCONFIG);
tmp |= 1 << 1; /* soft reset */
- __raw_writel(tmp, bank->base_reg + INTC_SYSCONFIG);
+ intc_bank_write_reg(tmp, bank, INTC_SYSCONFIG);
- while (!(__raw_readl(bank->base_reg + INTC_SYSSTATUS) & 0x1))
+ while (!(intc_bank_read_reg(bank, INTC_SYSSTATUS) & 0x1))
/* Wait for reset to complete */;
/* Enable autoidle */
- __raw_writel(1 << 0, bank->base_reg + INTC_SYSCONFIG);
+ intc_bank_write_reg(1 << 0, bank, INTC_SYSCONFIG);
}
void __init omap_init_irq(void)
@@ -118,9 +126,8 @@ void __init omap_init_irq(void)
for (i = 0; i < ARRAY_SIZE(irq_banks); i++) {
struct omap_irq_bank *bank = irq_banks + i;
- /* XXX */
- if (!bank->base_reg)
- continue;
+ if (cpu_is_omap24xx())
+ bank->base_reg = OMAP2_IO_ADDRESS(OMAP24XX_IC_BASE);
omap_irq_bank_init_one(bank);
diff --git a/arch/arm/mach-omap2/memory.h b/arch/arm/mach-omap2/memory.h
index 9a280b50a89..bb3db80a7c4 100644
--- a/arch/arm/mach-omap2/memory.h
+++ b/arch/arm/mach-omap2/memory.h
@@ -14,6 +14,9 @@
* published by the Free Software Foundation.
*/
+#ifndef ARCH_ARM_MACH_OMAP2_MEMORY_H
+#define ARCH_ARM_MACH_OMAP2_MEMORY_H
+
/* Memory timings */
#define M_DDR 1
#define M_LOCK_CTRL (1 << 2)
@@ -34,3 +37,7 @@ extern u32 omap2_memory_get_fast_dll_ctrl(void);
extern u32 omap2_memory_get_type(void);
u32 omap2_dll_force_needed(void);
u32 omap2_reprogram_sdrc(u32 level, u32 force);
+void __init omap2_init_memory(void);
+void __init gpmc_init(void);
+
+#endif
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index 443d07fef7f..6188e2f9785 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -1,7 +1,7 @@
/*
* linux/arch/arm/mach-omap2/mux.c
*
- * OMAP2 pin multiplexing configurations
+ * OMAP2 and OMAP3 pin multiplexing configurations
*
* Copyright (C) 2004 - 2008 Texas Instruments Inc.
* Copyright (C) 2003 - 2008 Nokia Corporation
@@ -219,16 +219,179 @@ MUX_CFG_24XX("AD13_2430_MCBSP2_DR_OFF", 0x0131, 0, 0, 0, 1)
#define OMAP24XX_PINS_SZ 0
#endif /* CONFIG_ARCH_OMAP24XX */
-#define OMAP24XX_PULL_ENA (1 << 3)
-#define OMAP24XX_PULL_UP (1 << 4)
+#ifdef CONFIG_ARCH_OMAP34XX
+static struct pin_config __initdata_or_module omap34xx_pins[] = {
+/*
+ * Name, reg-offset,
+ * mux-mode | [active-mode | off-mode]
+ */
+
+/* 34xx I2C */
+MUX_CFG_34XX("K21_34XX_I2C1_SCL", 0x1ba,
+ OMAP34XX_MUX_MODE0 | OMAP34XX_PIN_INPUT_PULLUP)
+MUX_CFG_34XX("J21_34XX_I2C1_SDA", 0x1bc,
+ OMAP34XX_MUX_MODE0 | OMAP34XX_PIN_INPUT_PULLUP)
+MUX_CFG_34XX("AF15_34XX_I2C2_SCL", 0x1be,
+ OMAP34XX_MUX_MODE0 | OMAP34XX_PIN_INPUT_PULLUP)
+MUX_CFG_34XX("AE15_34XX_I2C2_SDA", 0x1c0,
+ OMAP34XX_MUX_MODE0 | OMAP34XX_PIN_INPUT_PULLUP)
+MUX_CFG_34XX("AF14_34XX_I2C3_SCL", 0x1c2,
+ OMAP34XX_MUX_MODE0 | OMAP34XX_PIN_INPUT_PULLUP)
+MUX_CFG_34XX("AG14_34XX_I2C3_SDA", 0x1c4,
+ OMAP34XX_MUX_MODE0 | OMAP34XX_PIN_INPUT_PULLUP)
+MUX_CFG_34XX("AD26_34XX_I2C4_SCL", 0xa00,
+ OMAP34XX_MUX_MODE0 | OMAP34XX_PIN_INPUT_PULLUP)
+MUX_CFG_34XX("AE26_34XX_I2C4_SDA", 0xa02,
+ OMAP34XX_MUX_MODE0 | OMAP34XX_PIN_INPUT_PULLUP)
+
+/* PHY - HSUSB: 12-pin ULPI PHY: Port 1*/
+MUX_CFG_34XX("Y8_3430_USB1HS_PHY_CLK", 0x5da,
+ OMAP34XX_MUX_MODE3 | OMAP34XX_PIN_OUTPUT)
+MUX_CFG_34XX("Y9_3430_USB1HS_PHY_STP", 0x5d8,
+ OMAP34XX_MUX_MODE3 | OMAP34XX_PIN_OUTPUT)
+MUX_CFG_34XX("AA14_3430_USB1HS_PHY_DIR", 0x5ec,
+ OMAP34XX_MUX_MODE3 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("AA11_3430_USB1HS_PHY_NXT", 0x5ee,
+ OMAP34XX_MUX_MODE3 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("W13_3430_USB1HS_PHY_D0", 0x5dc,
+ OMAP34XX_MUX_MODE3 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("W12_3430_USB1HS_PHY_D1", 0x5de,
+ OMAP34XX_MUX_MODE3 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("W11_3430_USB1HS_PHY_D2", 0x5e0,
+ OMAP34XX_MUX_MODE3 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("Y11_3430_USB1HS_PHY_D3", 0x5ea,
+ OMAP34XX_MUX_MODE3 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("W9_3430_USB1HS_PHY_D4", 0x5e4,
+ OMAP34XX_MUX_MODE3 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("Y12_3430_USB1HS_PHY_D5", 0x5e6,
+ OMAP34XX_MUX_MODE3 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("W8_3430_USB1HS_PHY_D6", 0x5e8,
+ OMAP34XX_MUX_MODE3 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("Y13_3430_USB1HS_PHY_D7", 0x5e2,
+ OMAP34XX_MUX_MODE3 | OMAP34XX_PIN_INPUT_PULLDOWN)
+
+/* PHY - HSUSB: 12-pin ULPI PHY: Port 2*/
+MUX_CFG_34XX("AA8_3430_USB2HS_PHY_CLK", 0x5f0,
+ OMAP34XX_MUX_MODE3 | OMAP34XX_PIN_OUTPUT)
+MUX_CFG_34XX("AA10_3430_USB2HS_PHY_STP", 0x5f2,
+ OMAP34XX_MUX_MODE3 | OMAP34XX_PIN_OUTPUT)
+MUX_CFG_34XX("AA9_3430_USB2HS_PHY_DIR", 0x5f4,
+ OMAP34XX_MUX_MODE3 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("AB11_3430_USB2HS_PHY_NXT", 0x5f6,
+ OMAP34XX_MUX_MODE3 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("AB10_3430_USB2HS_PHY_D0", 0x5f8,
+ OMAP34XX_MUX_MODE3 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("AB9_3430_USB2HS_PHY_D1", 0x5fa,
+ OMAP34XX_MUX_MODE3 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("W3_3430_USB2HS_PHY_D2", 0x1d4,
+ OMAP34XX_MUX_MODE3 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("T4_3430_USB2HS_PHY_D3", 0x1de,
+ OMAP34XX_MUX_MODE3 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("T3_3430_USB2HS_PHY_D4", 0x1d8,
+ OMAP34XX_MUX_MODE3 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("R3_3430_USB2HS_PHY_D5", 0x1da,
+ OMAP34XX_MUX_MODE3 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("R4_3430_USB2HS_PHY_D6", 0x1dc,
+ OMAP34XX_MUX_MODE3 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("T2_3430_USB2HS_PHY_D7", 0x1d6,
+ OMAP34XX_MUX_MODE3 | OMAP34XX_PIN_INPUT_PULLDOWN)
+
+/* TLL - HSUSB: 12-pin TLL Port 1*/
+MUX_CFG_34XX("Y8_3430_USB1HS_TLL_CLK", 0x5da,
+ OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_OUTPUT)
+MUX_CFG_34XX("Y9_3430_USB1HS_TLL_STP", 0x5d8,
+ OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("AA14_3430_USB1HS_TLL_DIR", 0x5ec,
+ OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_OUTPUT)
+MUX_CFG_34XX("AA11_3430_USB1HS_TLL_NXT", 0x5ee,
+ OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_OUTPUT)
+MUX_CFG_34XX("W13_3430_USB1HS_TLL_D0", 0x5dc,
+ OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("W12_3430_USB1HS_TLL_D1", 0x5de,
+ OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("W11_3430_USB1HS_TLL_D2", 0x5e0,
+ OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("Y11_3430_USB1HS_TLL_D3", 0x5ea,
+ OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("W9_3430_USB1HS_TLL_D4", 0x5e4,
+ OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("Y12_3430_USB1HS_TLL_D5", 0x5e6,
+ OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("W8_3430_USB1HS_TLL_D6", 0x5e8,
+ OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("Y13_3430_USB1HS_TLL_D7", 0x5e2,
+ OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_INPUT_PULLDOWN)
+
+/* TLL - HSUSB: 12-pin TLL Port 2*/
+MUX_CFG_34XX("AA8_3430_USB2HS_TLL_CLK", 0x5f0,
+ OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_OUTPUT)
+MUX_CFG_34XX("AA10_3430_USB2HS_TLL_STP", 0x5f2,
+ OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("AA9_3430_USB2HS_TLL_DIR", 0x5f4,
+ OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_OUTPUT)
+MUX_CFG_34XX("AB11_3430_USB2HS_TLL_NXT", 0x5f6,
+ OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_OUTPUT)
+MUX_CFG_34XX("AB10_3430_USB2HS_TLL_D0", 0x5f8,
+ OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("AB9_3430_USB2HS_TLL_D1", 0x5fa,
+ OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("W3_3430_USB2HS_TLL_D2", 0x1d4,
+ OMAP34XX_MUX_MODE2 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("T4_3430_USB2HS_TLL_D3", 0x1de,
+ OMAP34XX_MUX_MODE2 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("T3_3430_USB2HS_TLL_D4", 0x1d8,
+ OMAP34XX_MUX_MODE2 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("R3_3430_USB2HS_TLL_D5", 0x1da,
+ OMAP34XX_MUX_MODE2 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("R4_3430_USB2HS_TLL_D6", 0x1dc,
+ OMAP34XX_MUX_MODE2 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("T2_3430_USB2HS_TLL_D7", 0x1d6,
+ OMAP34XX_MUX_MODE2 | OMAP34XX_PIN_INPUT_PULLDOWN)
+
+/* TLL - HSUSB: 12-pin TLL Port 3*/
+MUX_CFG_34XX("AA6_3430_USB3HS_TLL_CLK", 0x180,
+ OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_OUTPUT)
+MUX_CFG_34XX("AB3_3430_USB3HS_TLL_STP", 0x166,
+ OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("AA3_3430_USB3HS_TLL_DIR", 0x168,
+ OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_OUTPUT)
+MUX_CFG_34XX("Y3_3430_USB3HS_TLL_NXT", 0x16a,
+ OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_OUTPUT)
+MUX_CFG_34XX("AA5_3430_USB3HS_TLL_D0", 0x186,
+ OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("Y4_3430_USB3HS_TLL_D1", 0x184,
+ OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("Y5_3430_USB3HS_TLL_D2", 0x188,
+ OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("W5_3430_USB3HS_TLL_D3", 0x18a,
+ OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("AB12_3430_USB3HS_TLL_D4", 0x16c,
+ OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("AB13_3430_USB3HS_TLL_D5", 0x16e,
+ OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("AA13_3430_USB3HS_TLL_D6", 0x170,
+ OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_INPUT_PULLDOWN)
+MUX_CFG_34XX("AA12_3430_USB3HS_TLL_D7", 0x172,
+ OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_INPUT_PULLDOWN)
+};
+
+#define OMAP34XX_PINS_SZ ARRAY_SIZE(omap34xx_pins)
+
+#else
+#define omap34xx_pins NULL
+#define OMAP34XX_PINS_SZ 0
+#endif /* CONFIG_ARCH_OMAP34XX */
#if defined(CONFIG_OMAP_MUX_DEBUG) || defined(CONFIG_OMAP_MUX_WARNINGS)
-void __init_or_module omap2_cfg_debug(const struct pin_config *cfg, u8 reg)
+static void __init_or_module omap2_cfg_debug(const struct pin_config *cfg, u16 reg)
{
u16 orig;
u8 warn = 0, debug = 0;
- orig = omap_ctrl_readb(cfg->mux_reg);
+ if (cpu_is_omap24xx())
+ orig = omap_ctrl_readb(cfg->mux_reg);
+ else
+ orig = omap_ctrl_readw(cfg->mux_reg);
#ifdef CONFIG_OMAP_MUX_DEBUG
debug = cfg->debug;
@@ -254,9 +417,9 @@ int __init_or_module omap24xx_cfg_reg(const struct pin_config *cfg)
spin_lock_irqsave(&mux_spin_lock, flags);
reg |= cfg->mask & 0x7;
if (cfg->pull_val)
- reg |= OMAP24XX_PULL_ENA;
+ reg |= OMAP2_PULL_ENA;
if (cfg->pu_pd_val)
- reg |= OMAP24XX_PULL_UP;
+ reg |= OMAP2_PULL_UP;
omap2_cfg_debug(cfg, reg);
omap_ctrl_writeb(reg, cfg->mux_reg);
spin_unlock_irqrestore(&mux_spin_lock, flags);
@@ -264,7 +427,26 @@ int __init_or_module omap24xx_cfg_reg(const struct pin_config *cfg)
return 0;
}
#else
-#define omap24xx_cfg_reg 0
+#define omap24xx_cfg_reg NULL
+#endif
+
+#ifdef CONFIG_ARCH_OMAP34XX
+static int __init_or_module omap34xx_cfg_reg(const struct pin_config *cfg)
+{
+ static DEFINE_SPINLOCK(mux_spin_lock);
+ unsigned long flags;
+ u16 reg = 0;
+
+ spin_lock_irqsave(&mux_spin_lock, flags);
+ reg |= cfg->mux_val;
+ omap2_cfg_debug(cfg, reg);
+ omap_ctrl_writew(reg, cfg->mux_reg);
+ spin_unlock_irqrestore(&mux_spin_lock, flags);
+
+ return 0;
+}
+#else
+#define omap34xx_cfg_reg NULL
#endif
int __init omap2_mux_init(void)
@@ -273,6 +455,10 @@ int __init omap2_mux_init(void)
arch_mux_cfg.pins = omap24xx_pins;
arch_mux_cfg.size = OMAP24XX_PINS_SZ;
arch_mux_cfg.cfg_reg = omap24xx_cfg_reg;
+ } else if (cpu_is_omap34xx()) {
+ arch_mux_cfg.pins = omap34xx_pins;
+ arch_mux_cfg.size = OMAP34XX_PINS_SZ;
+ arch_mux_cfg.cfg_reg = omap34xx_cfg_reg;
}
return omap_mux_register(&arch_mux_cfg);
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index 69651cf0830..78ab2be7024 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -3,7 +3,7 @@
*
* OMAP2 serial support.
*
- * Copyright (C) 2005 Nokia Corporation
+ * Copyright (C) 2005-2008 Nokia Corporation
* Author: Paul Mundt <paul.mundt@nokia.com>
*
* Based off of arch/arm/mach-omap/omap1/serial.c
@@ -23,12 +23,8 @@
#include <mach/common.h>
#include <mach/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 clk *uart_ick[OMAP_MAX_NR_PORTS];
+static struct clk *uart_fck[OMAP_MAX_NR_PORTS];
static struct plat_serial8250_port serial_platform_data[] = {
{
@@ -38,7 +34,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
.flags = UPF_BOOT_AUTOCONF,
.iotype = UPIO_MEM,
.regshift = 2,
- .uartclk = OMAP16XX_BASE_BAUD * 16,
+ .uartclk = OMAP24XX_BASE_BAUD * 16,
}, {
.membase = IO_ADDRESS(OMAP_UART2_BASE),
.mapbase = OMAP_UART2_BASE,
@@ -46,7 +42,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
.flags = UPF_BOOT_AUTOCONF,
.iotype = UPIO_MEM,
.regshift = 2,
- .uartclk = OMAP16XX_BASE_BAUD * 16,
+ .uartclk = OMAP24XX_BASE_BAUD * 16,
}, {
.membase = IO_ADDRESS(OMAP_UART3_BASE),
.mapbase = OMAP_UART3_BASE,
@@ -54,7 +50,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
.flags = UPF_BOOT_AUTOCONF,
.iotype = UPIO_MEM,
.regshift = 2,
- .uartclk = OMAP16XX_BASE_BAUD * 16,
+ .uartclk = OMAP24XX_BASE_BAUD * 16,
}, {
.flags = 0
}
@@ -87,10 +83,27 @@ static inline void __init omap_serial_reset(struct plat_serial8250_port *p)
serial_write_reg(p, UART_OMAP_SYSC, (0x02 << 3) | (1 << 2) | (1 << 0));
}
-void __init omap_serial_init()
+void omap_serial_enable_clocks(int enable)
+{
+ int i;
+ for (i = 0; i < OMAP_MAX_NR_PORTS; i++) {
+ if (uart_ick[i] && uart_fck[i]) {
+ if (enable) {
+ clk_enable(uart_ick[i]);
+ clk_enable(uart_fck[i]);
+ } else {
+ clk_disable(uart_ick[i]);
+ clk_disable(uart_fck[i]);
+ }
+ }
+ }
+}
+
+void __init omap_serial_init(void)
{
int i;
const struct omap_uart_config *info;
+ char name[16];
/*
* Make sure the serial ports are muxed on at this point.
@@ -98,8 +111,7 @@ void __init omap_serial_init()
* if not needed.
*/
- info = omap_get_config(OMAP_TAG_UART,
- struct omap_uart_config);
+ info = omap_get_config(OMAP_TAG_UART, struct omap_uart_config);
if (info == NULL)
return;
@@ -113,53 +125,21 @@ void __init omap_serial_init()
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_enable(uart1_ick);
- }
-
- uart1_fck = clk_get(NULL, "uart1_fck");
- if (IS_ERR(uart1_fck))
- printk("Could not get uart1_fck\n");
- else {
- clk_enable(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_enable(uart2_ick);
- }
-
- uart2_fck = clk_get(NULL, "uart2_fck");
- if (IS_ERR(uart2_fck))
- printk("Could not get uart2_fck\n");
- else {
- clk_enable(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_enable(uart3_ick);
- }
-
- uart3_fck = clk_get(NULL, "uart3_fck");
- if (IS_ERR(uart3_fck))
- printk("Could not get uart3_fck\n");
- else {
- clk_enable(uart3_fck);
- }
- break;
- }
+ sprintf(name, "uart%d_ick", i+1);
+ uart_ick[i] = clk_get(NULL, name);
+ if (IS_ERR(uart_ick[i])) {
+ printk(KERN_ERR "Could not get uart%d_ick\n", i+1);
+ uart_ick[i] = NULL;
+ } else
+ clk_enable(uart_ick[i]);
+
+ sprintf(name, "uart%d_fck", i+1);
+ uart_fck[i] = clk_get(NULL, name);
+ if (IS_ERR(uart_fck[i])) {
+ printk(KERN_ERR "Could not get uart%d_fck\n", i+1);
+ uart_fck[i] = NULL;
+ } else
+ clk_enable(uart_fck[i]);
omap_serial_reset(p);
}
diff --git a/arch/arm/mach-omap2/sleep.S b/arch/arm/mach-omap2/sleep24xx.S
index 87a706fd5f8..43336b93b21 100644
--- a/arch/arm/mach-omap2/sleep.S
+++ b/arch/arm/mach-omap2/sleep24xx.S
@@ -5,6 +5,10 @@
* Texas Instruments, <www.ti.com>
* Richard Woodruff <r-woodruff2@ti.com>
*
+ * (C) Copyright 2006 Nokia Corporation
+ * Fixed idle loop sleep
+ * Igor Stoppa <igor.stoppa@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
@@ -26,6 +30,8 @@
#include <mach/io.h>
#include <mach/pm.h>
+#include <mach/omap24xx.h>
+
#include "sdrc.h"
/* First address of reserved address space? apparently valid for OMAP2 & 3 */
@@ -52,15 +58,14 @@ ENTRY(omap24xx_idle_loop_suspend_sz)
.word . - omap24xx_idle_loop_suspend
/*
- * omap242x_cpu_suspend() - Forces OMAP into deep sleep state by completing
+ * omap24xx_cpu_suspend() - Forces OMAP into deep sleep state by completing
* SDRC shutdown then ARM shutdown. Upon wake MPU is back on so just restore
* SDRC.
*
* Input:
* R0 : DLL ctrl value pre-Sleep
- * R1 : Processor+Revision
- * 2420: 0x21 = 242xES1, 0x26 = 242xES2.2
- * 2430: 0x31 = 2430ES1, 0x32 = 2430ES2
+ * R1 : SDRC_DLLA_CTRL
+ * R2 : SDRC_POWER
*
* The if the DPLL is going to AutoIdle. It seems like the DPLL may be back on
* when we get called, but the DLL probably isn't. We will wait a bit more in
@@ -80,15 +85,14 @@ ENTRY(omap24xx_idle_loop_suspend_sz)
*/
ENTRY(omap24xx_cpu_suspend)
stmfd sp!, {r0 - r12, lr} @ save registers on stack
- mov r3, #0x0 @ clear for mrc call
+ mov r3, #0x0 @ clear for mcr call
mcr p15, 0, r3, c7, c10, 4 @ memory barrier, hope SDR/DDR finished
nop
nop
- ldr r3, A_SDRC_POWER @ addr of sdrc power
- ldr r4, [r3] @ value of sdrc power
+ ldr r4, [r2] @ read SDRC_POWER
orr r4, r4, #0x40 @ enable self refresh on idle req
mov r5, #0x2000 @ set delay (DPLL relock + DLL relock)
- str r4, [r3] @ make it so
+ str r4, [r2] @ make it so
mov r2, #0
nop
mcr p15, 0, r2, c7, c0, 4 @ wait for interrupt
@@ -97,14 +101,13 @@ loop:
subs r5, r5, #0x1 @ awake, wait just a bit
bne loop
- /* The DPLL has on before we take the DDR out of self refresh */
+ /* The DPLL has to be on before we take the DDR out of self refresh */
bic r4, r4, #0x40 @ now clear self refresh bit.
- str r4, [r3] @ put vlaue back.
+ str r4, [r2] @ write to SDRC_POWER
ldr r4, A_SDRC0 @ make a clock happen
- ldr r4, [r4]
+ ldr r4, [r4] @ read A_SDRC0
nop @ start auto refresh only after clk ok
movs r0, r0 @ see if DDR or SDR
- ldrne r1, A_SDRC_DLLA_CTRL_S @ get addr of DLL ctrl
strne r0, [r1] @ rewrite DLLA to force DLL reload
addne r1, r1, #0x8 @ move to DLLB
strne r0, [r1] @ rewrite DLLB to force DLL reload
@@ -116,13 +119,8 @@ loop2:
/* resume*/
ldmfd sp!, {r0 - r12, pc} @ restore regs and return
-A_SDRC_POWER:
- .word OMAP242X_SDRC_REGADDR(SDRC_POWER)
A_SDRC0:
.word A_SDRC0_V
-A_SDRC_DLLA_CTRL_S:
- .word OMAP242X_SDRC_REGADDR(SDRC_DLLA_CTRL)
ENTRY(omap24xx_cpu_suspend_sz)
.word . - omap24xx_cpu_suspend
-