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-rw-r--r--arch/arm/mach-davinci/board-dm646x-evm.c30
-rw-r--r--arch/arm/mach-davinci/davinci.h11
-rw-r--r--arch/arm/mach-davinci/devices.c32
-rw-r--r--arch/arm/mach-davinci/dm355.c1
-rw-r--r--arch/arm/mach-davinci/dm365.c1
-rw-r--r--arch/arm/mach-davinci/dm644x.c1
-rw-r--r--arch/arm/mach-davinci/dm646x.c12
-rw-r--r--arch/arm/mach-davinci/include/mach/hardware.h2
8 files changed, 50 insertions, 40 deletions
diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c
index 74ae0c43a07c..94689043041d 100644
--- a/arch/arm/mach-davinci/board-dm646x-evm.c
+++ b/arch/arm/mach-davinci/board-dm646x-evm.c
@@ -410,8 +410,6 @@ static struct davinci_i2c_platform_data i2c_pdata = {
.bus_delay = 0 /* usec */,
};
-#define VIDCLKCTL_OFFSET (DAVINCI_SYSTEM_MODULE_BASE + 0x38)
-#define VSCLKDIS_OFFSET (DAVINCI_SYSTEM_MODULE_BASE + 0x6c)
#define VCH2CLK_MASK (BIT_MASK(10) | BIT_MASK(9) | BIT_MASK(8))
#define VCH2CLK_SYSCLK8 (BIT(9))
#define VCH2CLK_AUXCLK (BIT(9) | BIT(8))
@@ -429,8 +427,6 @@ static struct davinci_i2c_platform_data i2c_pdata = {
#define TVP5147_CH0 "tvp514x-0"
#define TVP5147_CH1 "tvp514x-1"
-static void __iomem *vpif_vidclkctl_reg;
-static void __iomem *vpif_vsclkdis_reg;
/* spin lock for updating above registers */
static spinlock_t vpif_reg_lock;
@@ -441,14 +437,14 @@ static int set_vpif_clock(int mux_mode, int hd)
int val = 0;
int err = 0;
- if (!vpif_vidclkctl_reg || !vpif_vsclkdis_reg || !cpld_client)
+ if (!cpld_client)
return -ENXIO;
/* disable the clock */
spin_lock_irqsave(&vpif_reg_lock, flags);
- value = __raw_readl(vpif_vsclkdis_reg);
+ value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
value |= (VIDCH3CLK | VIDCH2CLK);
- __raw_writel(value, vpif_vsclkdis_reg);
+ __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
spin_unlock_irqrestore(&vpif_reg_lock, flags);
val = i2c_smbus_read_byte(cpld_client);
@@ -464,7 +460,7 @@ static int set_vpif_clock(int mux_mode, int hd)
if (err)
return err;
- value = __raw_readl(vpif_vidclkctl_reg);
+ value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
value &= ~(VCH2CLK_MASK);
value &= ~(VCH3CLK_MASK);
@@ -473,13 +469,13 @@ static int set_vpif_clock(int mux_mode, int hd)
else
value |= (VCH2CLK_AUXCLK | VCH3CLK_AUXCLK);
- __raw_writel(value, vpif_vidclkctl_reg);
+ __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
spin_lock_irqsave(&vpif_reg_lock, flags);
- value = __raw_readl(vpif_vsclkdis_reg);
+ value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
/* enable the clock */
value &= ~(VIDCH3CLK | VIDCH2CLK);
- __raw_writel(value, vpif_vsclkdis_reg);
+ __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
spin_unlock_irqrestore(&vpif_reg_lock, flags);
return 0;
@@ -564,7 +560,7 @@ static int setup_vpif_input_channel_mode(int mux_mode)
int val;
u32 value;
- if (!vpif_vidclkctl_reg || !cpld_client)
+ if (!cpld_client)
return -ENXIO;
val = i2c_smbus_read_byte(cpld_client);
@@ -572,7 +568,7 @@ static int setup_vpif_input_channel_mode(int mux_mode)
return val;
spin_lock_irqsave(&vpif_reg_lock, flags);
- value = __raw_readl(vpif_vidclkctl_reg);
+ value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
if (mux_mode) {
val &= VPIF_INPUT_TWO_CHANNEL;
value |= VIDCH1CLK;
@@ -580,7 +576,7 @@ static int setup_vpif_input_channel_mode(int mux_mode)
val |= VPIF_INPUT_ONE_CHANNEL;
value &= ~VIDCH1CLK;
}
- __raw_writel(value, vpif_vidclkctl_reg);
+ __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
spin_unlock_irqrestore(&vpif_reg_lock, flags);
err = i2c_smbus_write_byte(cpld_client, val);
@@ -674,12 +670,6 @@ static struct vpif_capture_config dm646x_vpif_capture_cfg = {
static void __init evm_init_video(void)
{
- vpif_vidclkctl_reg = ioremap(VIDCLKCTL_OFFSET, 4);
- vpif_vsclkdis_reg = ioremap(VSCLKDIS_OFFSET, 4);
- if (!vpif_vidclkctl_reg || !vpif_vsclkdis_reg) {
- pr_err("Can't map VPIF VIDCLKCTL or VSCLKDIS registers\n");
- return;
- }
spin_lock_init(&vpif_reg_lock);
dm646x_setup_vpif(&dm646x_vpif_display_config,
diff --git a/arch/arm/mach-davinci/davinci.h b/arch/arm/mach-davinci/davinci.h
index 5e4f85ebd232..b1a52fb30cba 100644
--- a/arch/arm/mach-davinci/davinci.h
+++ b/arch/arm/mach-davinci/davinci.h
@@ -25,10 +25,21 @@
#include <mach/asp.h>
#include <mach/keyscan.h>
+#include <mach/hardware.h>
#include <media/davinci/vpfe_capture.h>
#include <media/davinci/vpif_types.h>
+#define DAVINCI_SYSTEM_MODULE_BASE 0x01c40000
+#define SYSMOD_VIDCLKCTL 0x38
+#define SYSMOD_VDD3P3VPWDN 0x48
+#define SYSMOD_VSCLKDIS 0x6c
+#define SYSMOD_PUPDCTL1 0x7c
+
+extern void __iomem *davinci_sysmod_base;
+#define DAVINCI_SYSMOD_VIRT(x) (davinci_sysmod_base + (x))
+void davinci_map_sysmod(void);
+
/* DM355 base addresses */
#define DM355_ASYNC_EMIF_CONTROL_BASE 0x01e10000
#define DM355_ASYNC_EMIF_DATA_CE0_BASE 0x02000000
diff --git a/arch/arm/mach-davinci/devices.c b/arch/arm/mach-davinci/devices.c
index 50c0156b4262..d2f9666284a7 100644
--- a/arch/arm/mach-davinci/devices.c
+++ b/arch/arm/mach-davinci/devices.c
@@ -23,6 +23,7 @@
#include <mach/mmc.h>
#include <mach/time.h>
+#include "davinci.h"
#include "clock.h"
#define DAVINCI_I2C_BASE 0x01C21000
@@ -33,8 +34,19 @@
#define DM365_MMCSD0_BASE 0x01D11000
#define DM365_MMCSD1_BASE 0x01D00000
-/* System control register offsets */
-#define DM64XX_VDD3P3V_PWDN 0x48
+void __iomem *davinci_sysmod_base;
+
+void davinci_map_sysmod(void)
+{
+ davinci_sysmod_base = ioremap_nocache(DAVINCI_SYSTEM_MODULE_BASE,
+ 0x800);
+ /*
+ * Throw a bug since a lot of board initialization code depends
+ * on system module availability. ioremap() failing this early
+ * need careful looking into anyway.
+ */
+ BUG_ON(!davinci_sysmod_base);
+}
static struct resource i2c_resources[] = {
{
@@ -212,12 +224,12 @@ void __init davinci_setup_mmc(int module, struct davinci_mmc_config *config)
davinci_cfg_reg(DM355_SD1_DATA2);
davinci_cfg_reg(DM355_SD1_DATA3);
} else if (cpu_is_davinci_dm365()) {
- void __iomem *pupdctl1 =
- IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE + 0x7c);
-
/* Configure pull down control */
- __raw_writel((__raw_readl(pupdctl1) & ~0xfc0),
- pupdctl1);
+ unsigned v;
+
+ v = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_PUPDCTL1));
+ __raw_writel(v & ~0xfc0,
+ DAVINCI_SYSMOD_VIRT(SYSMOD_PUPDCTL1));
mmcsd1_resources[0].start = DM365_MMCSD1_BASE;
mmcsd1_resources[0].end = DM365_MMCSD1_BASE +
@@ -246,11 +258,9 @@ void __init davinci_setup_mmc(int module, struct davinci_mmc_config *config)
mmcsd0_resources[2].start = IRQ_DM365_SDIOINT0;
} else if (cpu_is_davinci_dm644x()) {
/* REVISIT: should this be in board-init code? */
- void __iomem *base =
- IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE);
-
/* Power-on 3.3V IO cells */
- __raw_writel(0, base + DM64XX_VDD3P3V_PWDN);
+ __raw_writel(0,
+ DAVINCI_SYSMOD_VIRT(SYSMOD_VDD3P3VPWDN));
/*Set up the pull regiter for MMC */
davinci_cfg_reg(DM644X_MSTK);
}
diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c
index 0b0d41c1bd8f..fd3d09aa6cde 100644
--- a/arch/arm/mach-davinci/dm355.c
+++ b/arch/arm/mach-davinci/dm355.c
@@ -871,6 +871,7 @@ void __init dm355_init_asp1(u32 evt_enable, struct snd_platform_data *pdata)
void __init dm355_init(void)
{
davinci_common_init(&davinci_soc_info_dm355);
+ davinci_map_sysmod();
}
static int __init dm355_init_devices(void)
diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
index d831d9425818..1a2e953082b3 100644
--- a/arch/arm/mach-davinci/dm365.c
+++ b/arch/arm/mach-davinci/dm365.c
@@ -1138,6 +1138,7 @@ void __init dm365_init_rtc(void)
void __init dm365_init(void)
{
davinci_common_init(&davinci_soc_info_dm365);
+ davinci_map_sysmod();
}
static struct resource dm365_vpss_resources[] = {
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
index c6f47c63c475..bf14ec09d3f3 100644
--- a/arch/arm/mach-davinci/dm644x.c
+++ b/arch/arm/mach-davinci/dm644x.c
@@ -786,6 +786,7 @@ void __init dm644x_init_asp(struct snd_platform_data *pdata)
void __init dm644x_init(void)
{
davinci_common_init(&davinci_soc_info_dm644x);
+ davinci_map_sysmod();
}
static int __init dm644x_init_devices(void)
diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c
index 3b84195505a1..9eb87c1d1edd 100644
--- a/arch/arm/mach-davinci/dm646x.c
+++ b/arch/arm/mach-davinci/dm646x.c
@@ -32,8 +32,6 @@
#include "mux.h"
#define DAVINCI_VPIF_BASE (0x01C12000)
-#define VDD3P3V_PWDN_OFFSET (0x48)
-#define VSCLKDIS_OFFSET (0x6C)
#define VDD3P3V_VID_MASK (BIT_MASK(3) | BIT_MASK(2) | BIT_MASK(1) |\
BIT_MASK(0))
@@ -880,15 +878,14 @@ void dm646x_setup_vpif(struct vpif_display_config *display_config,
struct vpif_capture_config *capture_config)
{
unsigned int value;
- void __iomem *base = IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE);
- value = __raw_readl(base + VSCLKDIS_OFFSET);
+ value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
value &= ~VSCLKDIS_MASK;
- __raw_writel(value, base + VSCLKDIS_OFFSET);
+ __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
- value = __raw_readl(base + VDD3P3V_PWDN_OFFSET);
+ value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VDD3P3VPWDN));
value &= ~VDD3P3V_VID_MASK;
- __raw_writel(value, base + VDD3P3V_PWDN_OFFSET);
+ __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VDD3P3VPWDN));
davinci_cfg_reg(DM646X_STSOMUX_DISABLE);
davinci_cfg_reg(DM646X_STSIMUX_DISABLE);
@@ -912,6 +909,7 @@ int __init dm646x_init_edma(struct edma_rsv_info *rsv)
void __init dm646x_init(void)
{
davinci_common_init(&davinci_soc_info_dm646x);
+ davinci_map_sysmod();
}
static int __init dm646x_init_devices(void)
diff --git a/arch/arm/mach-davinci/include/mach/hardware.h b/arch/arm/mach-davinci/include/mach/hardware.h
index 414e0b93e741..0209b1fc22a1 100644
--- a/arch/arm/mach-davinci/include/mach/hardware.h
+++ b/arch/arm/mach-davinci/include/mach/hardware.h
@@ -19,8 +19,6 @@
* and the chip/board init code should then explicitly include
* <chipname>.h
*/
-#define DAVINCI_SYSTEM_MODULE_BASE 0x01C40000
-
/*
* I/O mapping
*/
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