[U-Boot] [PATCH] omap3: mmc: mmc2 support
Minkyu Kang
mk7.kang at samsung.com
Thu Mar 26 11:47:25 CET 2009
There are 3 MMC/SD/SDIO host controllers inside the device.
This patch will support mmc2 and mmc3.
Signed-off-by: Minkyu Kang <mk7.kang at samsung.com>
---
drivers/mmc/omap3_mmc.c | 38 ++++++++++++++++++++++-------
include/asm-arm/arch-omap3/mmc_host_def.h | 18 ++++++++++++-
include/asm-arm/arch-omap3/omap3.h | 3 ++
include/configs/omap3_beagle.h | 1 +
include/configs/omap3_evm.h | 1 +
include/configs/omap3_overo.h | 1 +
include/configs/omap3_pandora.h | 1 +
include/configs/omap3_zoom1.h | 1 +
8 files changed, 53 insertions(+), 11 deletions(-)
diff --git a/drivers/mmc/omap3_mmc.c b/drivers/mmc/omap3_mmc.c
index e90db7e..edc56fa 100644
--- a/drivers/mmc/omap3_mmc.c
+++ b/drivers/mmc/omap3_mmc.c
@@ -62,10 +62,21 @@ void twl4030_mmc_config(void)
{
unsigned char data;
- data = DEV_GRP_P1;
- i2c_write(PWRMGT_ADDR_ID4, VMMC1_DEV_GRP, 1, &data, 1);
- data = VMMC1_VSEL_30;
- i2c_write(PWRMGT_ADDR_ID4, VMMC1_DEDICATED, 1, &data, 1);
+ switch (CONFIG_MMC_INDEX) {
+ case 1:
+ data = DEV_GRP_P1;
+ i2c_write(PWRMGT_ADDR_ID4, VMMC1_DEV_GRP, 1, &data, 1);
+ data = VMMC1_VSEL_30;
+ i2c_write(PWRMGT_ADDR_ID4, VMMC1_DEDICATED, 1, &data, 1);
+ break;
+ case 2:
+ case 3:
+ data = DEV_GRP_P1;
+ i2c_write(PWRMGT_ADDR_ID4, VMMC2_DEV_GRP, 1, &data, 1);
+ data = VMMC2_VSEL_185;
+ i2c_write(PWRMGT_ADDR_ID4, VMMC2_DEDICATED, 1, &data, 1);
+ break;
+ }
}
unsigned char mmc_board_init(void)
@@ -74,12 +85,21 @@ unsigned char mmc_board_init(void)
twl4030_mmc_config();
- writel(readl(&t2_base->pbias_lite) | PBIASLITEPWRDNZ1 |
- PBIASSPEEDCTRL0 | PBIASLITEPWRDNZ0,
- &t2_base->pbias_lite);
+ switch (CONFIG_MMC_INDEX) {
+ case 1:
+ writel(readl(&t2_base->pbias_lite) | PBIASLITEPWRDNZ1 |
+ PBIASSPEEDCTRL0 | PBIASLITEPWRDNZ0,
+ &t2_base->pbias_lite);
- writel(readl(&t2_base->devconf0) | MMCSDIO1ADPCLKISEL,
- &t2_base->devconf0);
+ writel(readl(&t2_base->devconf0) | MMCSDIO1ADPCLKISEL,
+ &t2_base->devconf0);
+ break;
+ case 2:
+ case 3:
+ writel(readl(&t2_base->devconf1) | MMCSDIO2ADPCLKISEL,
+ &t2_base->devconf1);
+ break;
+ }
return 1;
}
diff --git a/include/asm-arm/arch-omap3/mmc_host_def.h b/include/asm-arm/arch-omap3/mmc_host_def.h
index aa751c9..01884f9 100644
--- a/include/asm-arm/arch-omap3/mmc_host_def.h
+++ b/include/asm-arm/arch-omap3/mmc_host_def.h
@@ -31,7 +31,9 @@
typedef struct t2 {
unsigned char res1[0x274];
unsigned int devconf0; /* 0x274 */
- unsigned char res2[0x2A8];
+ unsigned char res2[0x60];
+ unsigned int devconf1; /* 0x2D8 */
+ unsigned char res3[0x244];
unsigned int pbias_lite; /* 0x520 */
} t2_t;
@@ -41,10 +43,22 @@ typedef struct t2 {
#define PBIASSPEEDCTRL0 (1 << 2)
#define PBIASLITEPWRDNZ1 (1 << 9)
+#define MMCSDIO2ADPCLKISEL (1 << 6)
+
/*
* OMAP HSMMC register definitions
*/
-#define OMAP_HSMMC_BASE 0x4809C000
+#define OMAP_HSMMC_BASE_MMC1 0x4809C000
+#define OMAP_HSMMC_BASE_MMC2 0x480B4000
+#define OMAP_HSMMC_BASE_MMC3 0x480AD000
+
+#if CONFIG_MMC_INDEX == 1
+#define OMAP_HSMMC_BASE OMAP_HSMMC_BASE_MMC1
+#elif CONFIG_MMC_INDEX == 2
+#define OMAP_HSMMC_BASE OMAP_HSMMC_BASE_MMC2
+#elif CONFIG_MMC_INDEX == 3
+#define OMAP_HSMMC_BASE OMAP_HSMMC_BASE_MMC3
+#endif
typedef struct hsmmc {
unsigned char res1[0x10];
diff --git a/include/asm-arm/arch-omap3/omap3.h b/include/asm-arm/arch-omap3/omap3.h
index 8c9656f..b5b5def 100644
--- a/include/asm-arm/arch-omap3/omap3.h
+++ b/include/asm-arm/arch-omap3/omap3.h
@@ -206,6 +206,8 @@ typedef struct gpio {
#define VAUX3_DEDICATED 0x7D
#define VMMC1_DEV_GRP 0x82
#define VMMC1_DEDICATED 0x85
+#define VMMC2_DEV_GRP 0x86
+#define VMMC2_DEDICATED 0x89
#define VPLL2_DEV_GRP 0x8E
#define VPLL2_DEDICATED 0x91
#define VDAC_DEV_GRP 0x96
@@ -219,5 +221,6 @@ typedef struct gpio {
#define VPLL2_VSEL_18 0x05
#define VDAC_VSEL_18 0x03
#define VMMC1_VSEL_30 0x02
+#define VMMC2_VSEL_185 0x06
#endif
diff --git a/include/configs/omap3_beagle.h b/include/configs/omap3_beagle.h
index 0f9344b..3609a0d 100644
--- a/include/configs/omap3_beagle.h
+++ b/include/configs/omap3_beagle.h
@@ -90,6 +90,7 @@
115200}
#define CONFIG_MMC 1
#define CONFIG_OMAP3_MMC 1
+#define CONFIG_MMC_INDEX 1
#define CONFIG_DOS_PARTITION 1
/* commands to include */
diff --git a/include/configs/omap3_evm.h b/include/configs/omap3_evm.h
index f4498a9..6417eba 100644
--- a/include/configs/omap3_evm.h
+++ b/include/configs/omap3_evm.h
@@ -95,6 +95,7 @@
115200}
#define CONFIG_MMC 1
#define CONFIG_OMAP3_MMC 1
+#define CONFIG_MMC_INDEX 1
#define CONFIG_DOS_PARTITION 1
/* commands to include */
diff --git a/include/configs/omap3_overo.h b/include/configs/omap3_overo.h
index dee0417..af23abd 100644
--- a/include/configs/omap3_overo.h
+++ b/include/configs/omap3_overo.h
@@ -82,6 +82,7 @@
115200}
#define CONFIG_MMC 1
#define CONFIG_OMAP3_MMC 1
+#define CONFIG_MMC_INDEX 1
#define CONFIG_DOS_PARTITION 1
/* commands to include */
diff --git a/include/configs/omap3_pandora.h b/include/configs/omap3_pandora.h
index 00c0374..4e09a9a 100644
--- a/include/configs/omap3_pandora.h
+++ b/include/configs/omap3_pandora.h
@@ -85,6 +85,7 @@
115200}
#define CONFIG_MMC 1
#define CONFIG_OMAP3_MMC 1
+#define CONFIG_MMC_INDEX 1
#define CONFIG_DOS_PARTITION 1
/* commands to include */
diff --git a/include/configs/omap3_zoom1.h b/include/configs/omap3_zoom1.h
index f8ae163..2af5b07 100644
--- a/include/configs/omap3_zoom1.h
+++ b/include/configs/omap3_zoom1.h
@@ -91,6 +91,7 @@
115200}
#define CONFIG_MMC 1
#define CONFIG_OMAP3_MMC 1
+#define CONFIG_MMC_INDEX 1
#define CONFIG_DOS_PARTITION 1
/* commands to include */
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