(patch is rebased on 2.6.30-rc6. The older version was based on 2.6.30-rc2)
This patch updates the common platform source files for OMAP4430.
Few OMAP4 peripherals are common with OMAP3 architecture.
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx>
---
arch/arm/plat-omap/common.c | 23 +++++++-
arch/arm/plat-omap/devices.c | 2 +
arch/arm/plat-omap/dma.c | 23 ++++++--
arch/arm/plat-omap/dmtimer.c | 59 +++++++++++++++++-
arch/arm/plat-omap/gpio.c | 134 +++++++++++++++++++++++++++++++-----------
arch/arm/plat-omap/io.c | 29 +++++++++-
arch/arm/plat-omap/mux.c | 3 +
arch/arm/plat-omap/sram.c | 21 +++++++
8 files changed, 250 insertions(+), 44 deletions(-)
diff --git a/arch/arm/plat-omap/common.c b/arch/arm/plat-omap/common.c
index cee12c6..63b7af8 100644
--- a/arch/arm/plat-omap/common.c
+++ b/arch/arm/plat-omap/common.c
@@ -2,6 +2,10 @@
* linux/arch/arm/plat-omap/common.c
*
* Code common to all OMAP machines.
+ * The file is created by Tony Lindgren <tony@xxxxxxxxxxx>
+ *
+ * Copyright (C) 2009 Texas Instruments
+ * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@xxxxxx>
*
* 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
@@ -177,7 +181,8 @@ console_initcall(omap_add_serial_console);
#if defined(CONFIG_ARCH_OMAP16XX)
#define TIMER_32K_SYNCHRONIZED 0xfffbc410
-#elif defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
+#elif defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \
+ defined(CONFIG_ARCH_OMAP4)
#define TIMER_32K_SYNCHRONIZED (OMAP2_32KSYNCT_BASE + 0x10)
#endif
@@ -304,3 +309,19 @@ void __init omap2_set_globals_343x(void)
}
#endif
+#if defined(CONFIG_ARCH_OMAP4)
+static struct omap_globals omap4_globals = {
+ .class = OMAP443X_CLASS,
+ .tap = OMAP2_IO_ADDRESS(0x4830a000),
+ .ctrl = OMAP2_IO_ADDRESS(OMAP443X_CTRL_BASE),
+ .prm = OMAP2_IO_ADDRESS(OMAP4430_PRM_BASE),
+ .cm = OMAP2_IO_ADDRESS(OMAP4430_CM_BASE),
+};
+
+void __init omap2_set_globals_443x(void)
+{
+ omap2_set_globals_tap(&omap4_globals);
+ omap2_set_globals_control(&omap4_globals);
+}
+#endif
+
diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c
index 87fb7ff..a64b692 100644
--- a/arch/arm/plat-omap/devices.c
+++ b/arch/arm/plat-omap/devices.c
@@ -311,6 +311,8 @@ static void omap_init_wdt(void)
wdt_resources[0].start = 0x49016000; /* WDT2 */
else if (cpu_is_omap343x())
wdt_resources[0].start = 0x48314000; /* WDT2 */
+ else if (cpu_is_omap44xx())
+ wdt_resources[0].start = 0x4a314000;
else
return;
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index 7fc8c04..a1b88fb 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -10,6 +10,9 @@
* Merged to support both OMAP1 and OMAP2 by Tony Lindgren <tony@xxxxxxxxxxx>
* Some functions based on earlier dma-omap.c Copyright (C) 2001 RidgeRun, Inc.
*
+ * Copyright (C) 2009 Texas Instruments
+ * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@xxxxxx>
+ *
* Support functions for the OMAP internal DMA channels.
*
* This program is free software; you can redistribute it and/or modify
@@ -851,7 +854,7 @@ omap_dma_set_prio_lch(int lch, unsigned char read_prio,
}
l = dma_read(CCR(lch));
l &= ~((1 << 6) | (1 << 26));
- if (cpu_is_omap2430() || cpu_is_omap34xx())
+ if (cpu_is_omap2430() || cpu_is_omap34xx() || cpu_is_omap44xx())
l |= ((read_prio & 0x1) << 6) | ((write_prio & 0x1) << 26);
else
l |= ((read_prio & 0x1) << 6);
@@ -1823,7 +1826,8 @@ static irqreturn_t omap1_dma_irq_handler(int irq, void *dev_id)
#define omap1_dma_irq_handler NULL
#endif
-#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
+#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \
+ defined(CONFIG_ARCH_OMAP4)
static int omap2_dma_handle_ch(int ch)
{
@@ -2318,6 +2322,9 @@ static int __init omap_init_dma(void)
} else if (cpu_is_omap34xx()) {
omap_dma_base = IO_ADDRESS(OMAP34XX_DMA4_BASE);
dma_lch_count = OMAP_DMA4_LOGICAL_DMA_CH_COUNT;
+ } else if (cpu_is_omap44xx()) {
+ omap_dma_base = IO_ADDRESS(OMAP44XX_DMA4_BASE);
+ dma_lch_count = OMAP_DMA4_LOGICAL_DMA_CH_COUNT;
} else {
pr_err("DMA init failed for unsupported omap\n");
return -ENODEV;
@@ -2416,12 +2423,18 @@ static int __init omap_init_dma(void)
}
}
- if (cpu_is_omap2430() || cpu_is_omap34xx())
+ if (cpu_is_omap2430() || cpu_is_omap34xx() || cpu_is_omap44xx())
omap_dma_set_global_params(DMA_DEFAULT_ARB_RATE,
DMA_DEFAULT_FIFO_DEPTH, 0);
- if (cpu_class_is_omap2())
- setup_irq(INT_24XX_SDMA_IRQ0, &omap24xx_dma_irq);
+ if (cpu_class_is_omap2()) {
+ int irq;
+ if (cpu_is_omap44xx())
+ irq = INT_44XX_SDMA_IRQ0;
+ else
+ irq = INT_24XX_SDMA_IRQ0;
+ setup_irq(irq, &omap24xx_dma_irq);
+ }
/* FIXME: Update LCD DMA to work on 24xx */
if (cpu_class_is_omap1()) {
diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c
index ee20612..7f50b61 100644
--- a/arch/arm/plat-omap/dmtimer.c
+++ b/arch/arm/plat-omap/dmtimer.c
@@ -7,6 +7,9 @@
* OMAP2 support by Juha Yrjola
* API improvements and OMAP2 clock framework support by Timo Teras
*
+ * Copyright (C) 2009 Texas Instruments
+ * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@xxxxxx>
+ *
* 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
@@ -150,7 +153,8 @@
struct omap_dm_timer {
unsigned long phys_base;
int irq;
-#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
+#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \
+ defined(CONFIG_ARCH_OMAP4)
struct clk *iclk, *fclk;
#endif
void __iomem *io_base;
@@ -169,6 +173,9 @@ struct omap_dm_timer {
#define omap3_dm_timers NULL
#define omap3_dm_source_names NULL
#define omap3_dm_source_clocks NULL
+#define omap4_dm_timers NULL
+#define omap4_dm_source_names NULL
+#define omap4_dm_source_clocks NULL
static struct omap_dm_timer omap1_dm_timers[] = {
{ .phys_base = 0xfffb1400, .irq = INT_1610_GPTIMER1 },
@@ -191,6 +198,9 @@ static const int dm_timer_count = ARRAY_SIZE(omap1_dm_timers);
#define omap3_dm_timers NULL
#define omap3_dm_source_names NULL
#define omap3_dm_source_clocks NULL
+#define omap4_dm_timers NULL
+#define omap4_dm_source_names NULL
+#define omap4_dm_source_clocks NULL
static struct omap_dm_timer omap2_dm_timers[] = {
{ .phys_base = 0x48028000, .irq = INT_24XX_GPTIMER1 },
@@ -225,6 +235,9 @@ static const int dm_timer_count = ARRAY_SIZE(omap2_dm_timers);
#define omap2_dm_timers NULL
#define omap2_dm_source_names NULL
#define omap2_dm_source_clocks NULL
+#define omap4_dm_timers NULL
+#define omap4_dm_source_names NULL
+#define omap4_dm_source_clocks NULL
static struct omap_dm_timer omap3_dm_timers[] = {
{ .phys_base = 0x48318000, .irq = INT_24XX_GPTIMER1 },
@@ -250,6 +263,40 @@ static const char *omap3_dm_source_names[] __initdata = {
static struct clk *omap3_dm_source_clocks[2];
static const int dm_timer_count = ARRAY_SIZE(omap3_dm_timers);
+#elif defined(CONFIG_ARCH_OMAP4)
+
+#define omap_dm_clk_enable(x) clk_enable(x)
+#define omap_dm_clk_disable(x) clk_disable(x)
+#define omap1_dm_timers NULL
+#define omap2_dm_timers NULL
+#define omap2_dm_source_names NULL
+#define omap2_dm_source_clocks NULL
+#define omap3_dm_timers NULL
+#define omap3_dm_source_names NULL
+#define omap3_dm_source_clocks NULL
+
+static struct omap_dm_timer omap4_dm_timers[] = {
+ { .phys_base = 0x4a318000, .irq = INT_44XX_GPTIMER1 },
+ { .phys_base = 0x48032000, .irq = INT_44XX_GPTIMER2 },
+ { .phys_base = 0x48034000, .irq = INT_44XX_GPTIMER3 },
+ { .phys_base = 0x48036000, .irq = INT_44XX_GPTIMER4 },
+ { .phys_base = 0x40138000, .irq = INT_44XX_GPTIMER5 },
+ { .phys_base = 0x4013a000, .irq = INT_44XX_GPTIMER6 },
+ { .phys_base = 0x4013a000, .irq = INT_44XX_GPTIMER7 },
+ { .phys_base = 0x4013e000, .irq = INT_44XX_GPTIMER8 },
+ { .phys_base = 0x4803e000, .irq = INT_44XX_GPTIMER9 },
+ { .phys_base = 0x48086000, .irq = INT_44XX_GPTIMER10 },
+ { .phys_base = 0x48088000, .irq = INT_44XX_GPTIMER11 },
+ { .phys_base = 0x4a320000, .irq = INT_44XX_GPTIMER12 },
+};
+static const char *omap4_dm_source_names[] __initdata = {
+ "sys_ck",
+ "omap_32k_fck",
+ NULL
+};
+static struct clk *omap4_dm_source_clocks[2];
+static const int dm_timer_count = ARRAY_SIZE(omap4_dm_timers);
+
#else
#error OMAP architecture not supported!
@@ -459,7 +506,8 @@ __u32 omap_dm_timer_modify_idlect_mask(__u32 inputmask)
}
EXPORT_SYMBOL_GPL(omap_dm_timer_modify_idlect_mask);
-#elif defined(CONFIG_ARCH_OMAP2) || defined (CONFIG_ARCH_OMAP3)
+#elif defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \
+ defined(CONFIG_ARCH_OMAP4)
struct clk *omap_dm_timer_get_fclk(struct omap_dm_timer *timer)
{
@@ -711,6 +759,10 @@ int __init omap_dm_timer_init(void)
dm_timers = omap3_dm_timers;
dm_source_names = omap3_dm_source_names;
dm_source_clocks = omap3_dm_source_clocks;
+ } else if (cpu_is_omap44xx()) {
+ dm_timers = omap4_dm_timers;
+ dm_source_names = omap4_dm_source_names;
+ dm_source_clocks = omap4_dm_source_clocks;
}
if (cpu_class_is_omap2())
@@ -723,7 +775,8 @@ int __init omap_dm_timer_init(void)
for (i = 0; i < dm_timer_count; i++) {
timer = &dm_timers[i];
timer->io_base = IO_ADDRESS(timer->phys_base);
-#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
+#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \
+ defined(CONFIG_ARCH_OMAP4)
if (cpu_class_is_omap2()) {
char clk_name[16];
sprintf(clk_name, "gpt%d_ick", i + 1);
diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index 17d7afe..19c2488 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -6,6 +6,9 @@
* Copyright (C) 2003-2005 Nokia Corporation
* Written by Juha Yrj�¶l�¤ <juha.yrjola@xxxxxxxxx>
*
+ * Copyright (C) 2009 Texas Instruments
+ * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@xxxxxx>
+ *
* 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.
@@ -146,6 +149,16 @@
#define OMAP34XX_GPIO5_BASE IO_ADDRESS(0x49056000)
#define OMAP34XX_GPIO6_BASE IO_ADDRESS(0x49058000)
+/*
+ * OMAP44XX specific GPIO registers
+ */
+#define OMAP44XX_GPIO1_BASE IO_ADDRESS(0x4a310000)
+#define OMAP44XX_GPIO2_BASE IO_ADDRESS(0x48055000)
+#define OMAP44XX_GPIO3_BASE IO_ADDRESS(0x48057000)
+#define OMAP44XX_GPIO4_BASE IO_ADDRESS(0x48059000)
+#define OMAP44XX_GPIO5_BASE IO_ADDRESS(0x4805B000)
+#define OMAP44XX_GPIO6_BASE IO_ADDRESS(0x4805D000)
+
#define OMAP_MPUIO_VBASE IO_ADDRESS(OMAP_MPUIO_BASE)
struct gpio_bank {
@@ -153,11 +166,13 @@ struct gpio_bank {
u16 irq;
u16 virtual_irq_start;
int method;
-#if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
+#if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP24XX) || \
+ defined(CONFIG_ARCH_OMAP34XX) || defined(CONFIG_ARCH_OMAP4)
u32 suspend_wakeup;
u32 saved_wakeup;
#endif
-#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
+#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \
+ defined(CONFIG_ARCH_OMAP4)
u32 non_wakeup_gpios;
u32 enabled_non_wakeup_gpios;
@@ -251,6 +266,24 @@ static struct gpio_bank gpio_bank_34xx[6] = {
#endif
+#ifdef CONFIG_ARCH_OMAP4
+static struct gpio_bank gpio_bank_44xx[6] = {
+ { OMAP44XX_GPIO1_BASE, INT_44XX_GPIO_BANK1, IH_GPIO_BASE, \
+ METHOD_GPIO_24XX },
+ { OMAP44XX_GPIO2_BASE, INT_44XX_GPIO_BANK2, IH_GPIO_BASE + 32, \
+ METHOD_GPIO_24XX },
+ { OMAP44XX_GPIO3_BASE, INT_44XX_GPIO_BANK3, IH_GPIO_BASE + 64, \
+ METHOD_GPIO_24XX },
+ { OMAP44XX_GPIO4_BASE, INT_44XX_GPIO_BANK4, IH_GPIO_BASE + 96, \
+ METHOD_GPIO_24XX },
+ { OMAP44XX_GPIO5_BASE, INT_44XX_GPIO_BANK5, IH_GPIO_BASE + 128, \
+ METHOD_GPIO_24XX },
+ { OMAP44XX_GPIO6_BASE, INT_44XX_GPIO_BANK6, IH_GPIO_BASE + 160, \
+ METHOD_GPIO_24XX },
+};
+
+#endif
+
static struct gpio_bank *gpio_bank;
static int gpio_bank_count;
@@ -273,7 +306,7 @@ static inline struct gpio_bank *get_gpio_bank(int gpio)
}
if (cpu_is_omap24xx())
return &gpio_bank[gpio >> 5];
- if (cpu_is_omap34xx())
+ if (cpu_is_omap34xx() || cpu_is_omap44xx())
return &gpio_bank[gpio >> 5];
BUG();
return NULL;
@@ -285,7 +318,7 @@ static inline int get_gpio_index(int gpio)
return gpio & 0x1f;
if (cpu_is_omap24xx())
return gpio & 0x1f;
- if (cpu_is_omap34xx())
+ if (cpu_is_omap34xx() || cpu_is_omap44xx())
return gpio & 0x1f;
return gpio & 0x0f;
}
@@ -307,7 +340,7 @@ static inline int gpio_valid(int gpio)
return 0;
if (cpu_is_omap24xx() && gpio < 128)
return 0;
- if (cpu_is_omap34xx() && gpio < 160)
+ if ((cpu_is_omap34xx() || cpu_is_omap44xx()) && gpio < 160)
return 0;
return -1;
}
@@ -353,7 +386,8 @@ static void _set_gpio_direction(struct gpio_bank *bank, int gpio, int is_input)
reg += OMAP850_GPIO_DIR_CONTROL;
break;
#endif
-#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
+#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \
+ defined(CONFIG_ARCH_OMAP4)
case METHOD_GPIO_24XX:
reg += OMAP24XX_GPIO_OE;
break;
@@ -425,7 +459,8 @@ static void _set_gpio_dataout(struct gpio_bank *bank, int gpio, int enable)
l &= ~(1 << gpio);
break;
#endif
-#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
+#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \
+ defined(CONFIG_ARCH_OMAP4)
case METHOD_GPIO_24XX:
if (enable)
reg += OMAP24XX_GPIO_SETDATAOUT;
@@ -476,7 +511,8 @@ static int __omap_get_gpio_datain(int gpio)
reg += OMAP850_GPIO_DATA_INPUT;
break;
#endif
-#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
+#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \
+ defined(CONFIG_ARCH_OMAP4)
case METHOD_GPIO_24XX:
reg += OMAP24XX_GPIO_DATAIN;
break;
@@ -520,7 +556,7 @@ void omap_set_gpio_debounce(int gpio, int enable)
else
goto done;
- if (cpu_is_omap34xx()) {
+ if (cpu_is_omap34xx() || cpu_is_omap44xx()) {
if (enable)
clk_enable(bank->dbck);
else
@@ -550,7 +586,8 @@ void omap_set_gpio_debounce_time(int gpio, int enc_time)
}
EXPORT_SYMBOL(omap_set_gpio_debounce_time);
-#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
+#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \
+ defined(CONFIG_ARCH_OMAP4)
static inline void set_24xx_gpio_triggering(struct gpio_bank *bank, int gpio,
int trigger)
{
@@ -660,7 +697,8 @@ static int _set_gpio_triggering(struct gpio_bank *bank, int gpio, int trigger)
goto bad;
break;
#endif
-#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
+#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \
+ defined(CONFIG_ARCH_OMAP4)
case METHOD_GPIO_24XX:
set_24xx_gpio_triggering(bank, gpio, trigger);
break;
@@ -745,7 +783,8 @@ static void _clear_gpio_irqbank(struct gpio_bank *bank, int gpio_mask)
reg += OMAP850_GPIO_INT_STATUS;
break;
#endif
-#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
+#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \
+ defined(CONFIG_ARCH_OMAP4)
case METHOD_GPIO_24XX:
reg += OMAP24XX_GPIO_IRQSTATUS1;
break;
@@ -814,7 +853,8 @@ static u32 _get_gpio_irqbank_mask(struct gpio_bank *bank)
inv = 1;
break;
#endif
-#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
+#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \
+ defined(CONFIG_ARCH_OMAP4)
case METHOD_GPIO_24XX:
reg += OMAP24XX_GPIO_IRQENABLE1;
mask = 0xffffffff;
@@ -887,7 +927,8 @@ static void _enable_gpio_irqbank(struct gpio_bank *bank, int gpio_mask, int enab
l |= gpio_mask;
break;
#endif
-#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
+#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \
+ defined(CONFIG_ARCH_OMAP4)
case METHOD_GPIO_24XX:
if (enable)
reg += OMAP24XX_GPIO_SETIRQENABLE1;
@@ -932,7 +973,8 @@ static int _set_gpio_wakeup(struct gpio_bank *bank, int gpio, int enable)
spin_unlock_irqrestore(&bank->lock, flags);
return 0;
#endif
-#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
+#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \
+ defined(CONFIG_ARCH_OMAP4)
case METHOD_GPIO_24XX:
if (bank->non_wakeup_gpios & (1 << gpio)) {
printk(KERN_ERR "Unable to modify wakeup on "
@@ -1017,7 +1059,8 @@ static void omap_gpio_free(struct gpio_chip *chip, unsigned offset)
__raw_writel(1 << offset, reg);
}
#endif
-#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
+#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \
+ defined(CONFIG_ARCH_OMAP4)
if (bank->method == METHOD_GPIO_24XX) {
/* Disable wake-up during idle for dynamic tick */
void __iomem *reg = bank->base + OMAP24XX_GPIO_CLEARWKUENA;
@@ -1069,7 +1112,8 @@ static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
if (bank->method == METHOD_GPIO_850)
isr_reg = bank->base + OMAP850_GPIO_INT_STATUS;
#endif
-#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
+#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \
+ defined(CONFIG_ARCH_OMAP4)
if (bank->method == METHOD_GPIO_24XX)
isr_reg = bank->base + OMAP24XX_GPIO_IRQSTATUS1;
#endif
@@ -1346,7 +1390,7 @@ static int gpio_2irq(struct gpio_chip *chip, unsigned offset)
/*---------------------------------------------------------------------*/
static int initialized;
-#if !defined(CONFIG_ARCH_OMAP3)
+#if !(defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4))
static struct clk * gpio_ick;
#endif
@@ -1359,7 +1403,7 @@ static struct clk * gpio5_ick;
static struct clk * gpio5_fck;
#endif
-#if defined(CONFIG_ARCH_OMAP3)
+#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4)
static struct clk *gpio_iclks[OMAP34XX_NR_GPIOS];
#endif
@@ -1419,8 +1463,8 @@ static int __init _omap_gpio_init(void)
}
#endif
-#if defined(CONFIG_ARCH_OMAP3)
- if (cpu_is_omap34xx()) {
+#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4)
+ if (cpu_is_omap34xx() || cpu_is_omap44xx()) {
for (i = 0; i < OMAP34XX_NR_GPIOS; i++) {
sprintf(clk_name, "gpio%d_ick", i + 1);
gpio_iclks[i] = clk_get(NULL, clk_name);
@@ -1497,6 +1541,17 @@ static int __init _omap_gpio_init(void)
(rev >> 4) & 0x0f, rev & 0x0f);
}
#endif
+#ifdef CONFIG_ARCH_OMAP4
+ if (cpu_is_omap44xx()) {
+ int rev;
+
+ gpio_bank_count = OMAP34XX_NR_GPIOS;
+ gpio_bank = gpio_bank_44xx;
+ rev = __raw_readl(gpio_bank[0].base + OMAP24XX_GPIO_REVISION);
+ printk(KERN_INFO "OMAP44xx GPIO hardware version %d.%d\n",
+ (rev >> 4) & 0x0f, rev & 0x0f);
+ }
+#endif
for (i = 0; i < gpio_bank_count; i++) {
int j, gpio_count = 16;
@@ -1520,7 +1575,8 @@ static int __init _omap_gpio_init(void)
gpio_count = 32; /* 730 has 32-bit GPIOs */
}
-#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
+#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \
+ defined(CONFIG_ARCH_OMAP4)
if (bank->method == METHOD_GPIO_24XX) {
static const u32 non_wakeup_gpios[] = {
0xe203ffc0, 0x08700040
@@ -1577,7 +1633,7 @@ static int __init _omap_gpio_init(void)
set_irq_chained_handler(bank->irq, gpio_irq_handler);
set_irq_data(bank->irq, bank);
- if (cpu_is_omap34xx()) {
+ if (cpu_is_omap34xx() || cpu_is_omap44xx()) {
sprintf(clk_name, "gpio%d_dbck", i + 1);
bank->dbck = clk_get(NULL, clk_name);
if (IS_ERR(bank->dbck))
@@ -1599,7 +1655,8 @@ static int __init _omap_gpio_init(void)
return 0;
}
-#if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
+#if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP24XX) || \
+ defined(CONFIG_ARCH_OMAP34XX) || defined(CONFIG_ARCH_OMAP4)
static int omap_gpio_suspend(struct sys_device *dev, pm_message_t mesg)
{
int i;
@@ -1622,7 +1679,8 @@ static int omap_gpio_suspend(struct sys_device *dev, pm_message_t mesg)
wake_set = bank->base + OMAP1610_GPIO_SET_WAKEUPENA;
break;
#endif
-#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
+#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \
+ defined(CONFIG_ARCH_OMAP4)
case METHOD_GPIO_24XX:
wake_status = bank->base + OMAP24XX_GPIO_WAKE_EN;
wake_clear = bank->base + OMAP24XX_GPIO_CLEARWKUENA;
@@ -1663,7 +1721,8 @@ static int omap_gpio_resume(struct sys_device *dev)
wake_set = bank->base + OMAP1610_GPIO_SET_WAKEUPENA;
break;
#endif
-#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
+#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \
+ defined(CONFIG_ARCH_OMAP4)
case METHOD_GPIO_24XX:
wake_clear = bank->base + OMAP24XX_GPIO_CLEARWKUENA;
wake_set = bank->base + OMAP24XX_GPIO_SETWKUENA;
@@ -1695,7 +1754,8 @@ static struct sys_device omap_gpio_device = {
#endif
-#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
+#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \
+ defined(CONFIG_ARCH_OMAP4)
static int workaround_enabled;
@@ -1711,7 +1771,8 @@ void omap2_gpio_prepare_for_retention(void)
if (!(bank->enabled_non_wakeup_gpios))
continue;
-#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
+#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \
+ defined(CONFIG_ARCH_OMAP4)
bank->saved_datain = __raw_readl(bank->base + OMAP24XX_GPIO_DATAIN);
l1 = __raw_readl(bank->base + OMAP24XX_GPIO_FALLINGDETECT);
l2 = __raw_readl(bank->base + OMAP24XX_GPIO_RISINGDETECT);
@@ -1720,7 +1781,8 @@ void omap2_gpio_prepare_for_retention(void)
bank->saved_risingdetect = l2;
l1 &= ~bank->enabled_non_wakeup_gpios;
l2 &= ~bank->enabled_non_wakeup_gpios;
-#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
+#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \
+ defined(CONFIG_ARCH_OMAP4)
__raw_writel(l1, bank->base + OMAP24XX_GPIO_FALLINGDETECT);
__raw_writel(l2, bank->base + OMAP24XX_GPIO_RISINGDETECT);
#endif
@@ -1745,7 +1807,8 @@ void omap2_gpio_resume_after_retention(void)
if (!(bank->enabled_non_wakeup_gpios))
continue;
-#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
+#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \
+ defined(CONFIG_ARCH_OMAP4)
__raw_writel(bank->saved_fallingdetect,
bank->base + OMAP24XX_GPIO_FALLINGDETECT);
__raw_writel(bank->saved_risingdetect,
@@ -1755,14 +1818,16 @@ void omap2_gpio_resume_after_retention(void)
* state. If so, generate an IRQ by software. This is
* horribly racy, but it's the best we can do to work around
* this silicon bug. */
-#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
+#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \
+ defined(CONFIG_ARCH_OMAP4)
l = __raw_readl(bank->base + OMAP24XX_GPIO_DATAIN);
#endif
l ^= bank->saved_datain;
l &= bank->non_wakeup_gpios;
if (l) {
u32 old0, old1;
-#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
+#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \
+ defined(CONFIG_ARCH_OMAP4)
old0 = __raw_readl(bank->base + OMAP24XX_GPIO_LEVELDETECT0);
old1 = __raw_readl(bank->base + OMAP24XX_GPIO_LEVELDETECT1);
__raw_writel(old0 | l, bank->base + OMAP24XX_GPIO_LEVELDETECT0);
@@ -1798,7 +1863,8 @@ static int __init omap_gpio_sysinit(void)
mpuio_init();
-#if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
+#if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP24XX) || \
+ defined(CONFIG_ARCH_OMAP34XX) || defined(CONFIG_ARCH_OMAP4)
if (cpu_is_omap16xx() || cpu_class_is_omap2()) {
if (ret == 0) {
ret = sysdev_class_register(&omap_gpio_sysclass);
@@ -1887,7 +1953,7 @@ static int dbg_gpio_show(struct seq_file *s, void *unused)
irqstat = irq_desc[irq].status;
#if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP24XX) || \
- defined(CONFIG_ARCH_OMAP34XX)
+ defined(CONFIG_ARCH_OMAP34XX) || defined(CONFIG_ARCH_OMAP4)
if (is_in && ((bank->suspend_wakeup & mask)
|| irqstat & IRQ_TYPE_SENSE_MASK)) {
char *trigger = NULL;
diff --git a/arch/arm/plat-omap/io.c b/arch/arm/plat-omap/io.c
index af326ef..9b42d72 100644
--- a/arch/arm/plat-omap/io.c
+++ b/arch/arm/plat-omap/io.c
@@ -1,3 +1,14 @@
+/*
+ * Common io.c file
+ * This file is created by Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
+ *
+ * Copyright (C) 2009 Texas Instruments
+ * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@xxxxxx>
+ *
+ * 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/module.h>
#include <linux/io.h>
#include <linux/mm.h>
@@ -7,6 +18,7 @@
#include <mach/omap16xx.h>
#include <mach/omap24xx.h>
#include <mach/omap34xx.h>
+#include <mach/omap44xx.h>
#define BETWEEN(p,st,sz) ((p) >= (st) && (p) < ((st) + (sz)))
#define XLATE(p,pst,vst) ((void __iomem *)((p) - (pst) + (vst)))
@@ -92,7 +104,22 @@ void __iomem *omap_ioremap(unsigned long p, size_t size, unsigned int type)
return XLATE(p, L4_EMU_34XX_PHYS, L4_EMU_34XX_VIRT);
}
#endif
-
+#ifdef CONFIG_ARCH_OMAP4
+ if (cpu_is_omap44xx()) {
+ if (BETWEEN(p, L3_44XX_PHYS, L3_44XX_SIZE))
+ return XLATE(p, L3_44XX_PHYS, L3_44XX_VIRT);
+ if (BETWEEN(p, L4_44XX_PHYS, L4_44XX_SIZE))
+ return XLATE(p, L4_44XX_PHYS, L4_44XX_VIRT);
+ if (BETWEEN(p, L4_WK_44XX_PHYS, L4_WK_44XX_SIZE))
+ return XLATE(p, L4_WK_44XX_PHYS, L4_WK_44XX_VIRT);
+ if (BETWEEN(p, OMAP44XX_GPMC_PHYS, OMAP44XX_GPMC_SIZE))
+ return XLATE(p, OMAP44XX_GPMC_PHYS, OMAP44XX_GPMC_VIRT);
+ if (BETWEEN(p, L4_PER_44XX_PHYS, L4_PER_44XX_SIZE))
+ return XLATE(p, L4_PER_44XX_PHYS, L4_PER_44XX_VIRT);
+ if (BETWEEN(p, L4_EMU_44XX_PHYS, L4_EMU_44XX_SIZE))
+ return XLATE(p, L4_EMU_44XX_PHYS, L4_EMU_44XX_VIRT);
+ }
+#endif
return __arm_ioremap(p, size, type);
}
EXPORT_SYMBOL(omap_ioremap);
diff --git a/arch/arm/plat-omap/mux.c b/arch/arm/plat-omap/mux.c
index 80b040f..8d329fb 100644
--- a/arch/arm/plat-omap/mux.c
+++ b/arch/arm/plat-omap/mux.c
@@ -54,6 +54,9 @@ int __init_or_module omap_cfg_reg(const unsigned long index)
{
struct pin_config *reg;
+ if (cpu_is_omap44xx())
+ return 0;
+
if (mux_cfg == NULL) {
printk(KERN_ERR "Pin mux table not initialized\n");
return -ENODEV;
diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c
index e1493d8..902f16c 100644
--- a/arch/arm/plat-omap/sram.c
+++ b/arch/arm/plat-omap/sram.c
@@ -6,6 +6,9 @@
* Copyright (C) 2005 Nokia Corporation
* Written by Tony Lindgren <tony@xxxxxxxxxxx>
*
+ * Copyright (C) 2009 Texas Instruments
+ * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@xxxxxx>
+ *
* 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.
@@ -44,6 +47,8 @@
#define OMAP3_SRAM_VA 0xd7000000
#define OMAP3_SRAM_PUB_PA 0x40208000
#define OMAP3_SRAM_PUB_VA 0xd7008000
+#define OMAP4_SRAM_PA 0x40200000 /*0x402f0000*/
+#define OMAP4_SRAM_VA 0xd7000000 /*0xd70f0000*/
#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
#define SRAM_BOOTLOADER_SZ 0x00
@@ -87,6 +92,10 @@ static int is_sram_locked(void)
{
int type = 0;
+ if (cpu_is_omap44xx())
+ /* Not yet supported */
+ return 0;
+
if (cpu_is_omap242x())
type = omap_rev() & OMAP2_DEVICETYPE_MASK;
@@ -135,6 +144,10 @@ void __init omap_detect_sram(void)
omap_sram_base = OMAP3_SRAM_VA;
omap_sram_start = OMAP3_SRAM_PA;
omap_sram_size = 0x10000; /* 64K */
+ } else if (cpu_is_omap44xx()) {
+ omap_sram_base = OMAP4_SRAM_VA;
+ omap_sram_start = OMAP4_SRAM_PA;
+ omap_sram_size = 0x8000; /* 32K */
} else {
omap_sram_base = OMAP2_SRAM_VA;
omap_sram_start = OMAP2_SRAM_PA;
@@ -203,6 +216,12 @@ void __init omap_map_sram(void)
omap_sram_io_desc[0].pfn = __phys_to_pfn(base);
}
+ if (cpu_is_omap44xx()) {
+ omap_sram_io_desc[0].virtual = OMAP4_SRAM_VA;
+ base = OMAP4_SRAM_PA;
+ base = ROUND_DOWN(base, PAGE_SIZE);
+ omap_sram_io_desc[0].pfn = __phys_to_pfn(base);
+ }
omap_sram_io_desc[0].length = 1024 * 1024; /* Use section desc */
iotable_init(omap_sram_io_desc, ARRAY_SIZE(omap_sram_io_desc));
@@ -391,6 +410,8 @@ int __init omap_sram_init(void)
omap243x_sram_init();
else if (cpu_is_omap34xx())
omap34xx_sram_init();
+ else if (cpu_is_omap44xx())
+ omap34xx_sram_init(); /* FIXME: */
return 0;
}
--
1.5.4.7
--
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