[U-Boot] [PATCH 27/28] ls2085a: esdhc: Add esdhc support for ls2085a

York Sun
2015-03-19T16:45:58Z

From: Yangbo Lu <yangbo.lu@freescale.com>

This patch adds esdhc support for ls2085a.

Signed-off-by: Yangbo Lu <yangbo.lu@freescale.com>
---
arch/arm/cpu/armv8/fsl-lsch3/cpu.c | 10 +++++++
arch/arm/cpu/armv8/fsl-lsch3/fdt.c | 7 +++++
arch/arm/include/asm/arch-fsl-lsch3/config.h | 2 ++
drivers/mmc/fsl_esdhc.c | 36 ++++++++++++++++++++++++--
include/configs/ls2085a_common.h | 5 ++--
include/configs/ls2085aqds.h | 19 +++++++++++++-
include/configs/ls2085ardb.h | 11 +++++++-
include/fsl_esdhc.h | 4 +++
8 files changed, 88 insertions(+), 6 deletions(-)

diff --git a/arch/arm/cpu/armv8/fsl-lsch3/cpu.c b/arch/arm/cpu/armv8/fsl-lsch3/cpu.c
index 22b5fb2..e738c49 100644
--- a/arch/arm/cpu/armv8/fsl-lsch3/cpu.c
+++ b/arch/arm/cpu/armv8/fsl-lsch3/cpu.c
@@ -13,6 +13,9 @@
#include <fsl_debug_server.h>
#include <fsl-mc/fsl_mc.h>
#include <asm/arch/fsl_serdes.h>
+#ifdef CONFIG_FSL_ESDHC
+#include <fsl_esdhc.h>
+#endif
#include "cpu.h"
#include "mp.h"
#include "speed.h"
@@ -416,6 +419,13 @@ int print_cpuinfo(void)
}
#endif

+#ifdef CONFIG_FSL_ESDHC
+int cpu_mmc_init(bd_t *bis)
+{
+ return fsl_esdhc_mmc_init(bis);
+}
+#endif
+
int cpu_eth_init(bd_t *bis)
{
int error = 0;
diff --git a/arch/arm/cpu/armv8/fsl-lsch3/fdt.c b/arch/arm/cpu/armv8/fsl-lsch3/fdt.c
index 42c5b58..d370023 100644
--- a/arch/arm/cpu/armv8/fsl-lsch3/fdt.c
+++ b/arch/arm/cpu/armv8/fsl-lsch3/fdt.c
@@ -7,6 +7,9 @@
#include <common.h>
#include <libfdt.h>
#include <fdt_support.h>
+#ifdef CONFIG_FSL_ESDHC
+#include <fsl_esdhc.h>
+#endif
#include "mp.h"

#ifdef CONFIG_MP
@@ -65,4 +68,8 @@ void ft_cpu_setup(void *blob, bd_t *bd)
do_fixup_by_compat_u32(blob, "fsl,ns16550",
"clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
#endif
+
+#if defined(CONFIG_FSL_ESDHC)
+ fdt_fixup_esdhc(blob, bd);
+#endif
}
diff --git a/arch/arm/include/asm/arch-fsl-lsch3/config.h b/arch/arm/include/asm/arch-fsl-lsch3/config.h
index 77c20ab..ca8d38c 100644
--- a/arch/arm/include/asm/arch-fsl-lsch3/config.h
+++ b/arch/arm/include/asm/arch-fsl-lsch3/config.h
@@ -31,6 +31,7 @@
#define CONFIG_SYS_FSL_CH3_CLK_GRPA_ADDR (CONFIG_SYS_IMMR + 0x00300000)
#define CONFIG_SYS_FSL_CH3_CLK_GRPB_ADDR (CONFIG_SYS_IMMR + 0x00310000)
#define CONFIG_SYS_FSL_CH3_CLK_CTRL_ADDR (CONFIG_SYS_IMMR + 0x00370000)
+#define CONFIG_SYS_FSL_ESDHC_ADDR (CONFIG_SYS_IMMR + 0x01140000)
#define CONFIG_SYS_IFC_ADDR (CONFIG_SYS_IMMR + 0x01240000)
#define CONFIG_SYS_NS16550_COM1 (CONFIG_SYS_IMMR + 0x011C0500)
#define CONFIG_SYS_NS16550_COM2 (CONFIG_SYS_IMMR + 0x011C0600)
@@ -110,6 +111,7 @@
#define CONFIG_MAX_MEM_MAPPED CONFIG_SYS_LS2_DDR_BLOCK1_SIZE
#define CONFIG_SYS_FSL_DDR_VER FSL_DDR_VER_5_0

+#define CONFIG_SYS_FSL_ESDHC_LE
/* IFC */
#define CONFIG_SYS_FSL_IFC_LE
#define CONFIG_SYS_MEMAC_LITTLE_ENDIAN
diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
index c5e270d..7528b9d 100644
--- a/drivers/mmc/fsl_esdhc.c
+++ b/drivers/mmc/fsl_esdhc.c
@@ -105,7 +105,8 @@ static uint esdhc_xfertyp(struct mmc_cmd *cmd, struct mmc_data *data)
else if (cmd->resp_type & MMC_RSP_PRESENT)
xfertyp |= XFERTYP_RSPTYP_48;

-#if defined(CONFIG_MX53) || defined(CONFIG_PPC_T4240) || defined(CONFIG_LS102XA)
+#if defined(CONFIG_MX53) || defined(CONFIG_PPC_T4240) || \
+ defined(CONFIG_LS102XA) || defined(CONFIG_LS2085A)
if (cmd->cmdidx == MMC_CMD_STOP_TRANSMISSION)
xfertyp |= XFERTYP_CMDTYP_ABORT;
#endif
@@ -183,7 +184,9 @@ static int esdhc_setup_data(struct mmc *mmc, struct mmc_data *data)
int timeout;
struct fsl_esdhc_cfg *cfg = mmc->priv;
struct fsl_esdhc *regs = (struct fsl_esdhc *)cfg->esdhc_base;
-
+#ifdef CONFIG_LS2085A
+ dma_addr_t addr;
+#endif
uint wml_value;

wml_value = data->blocksize/4;
@@ -194,8 +197,16 @@ static int esdhc_setup_data(struct mmc *mmc, struct mmc_data *data)

esdhc_clrsetbits32(&regs->wml, WML_RD_WML_MASK, wml_value);
#ifndef CONFIG_SYS_FSL_ESDHC_USE_PIO
+#ifdef CONFIG_LS2085A
+ addr = virt_to_phys((void *)(data->dest));
+ if (upper_32_bits(addr))
+ printf("Error found for upper 32 bits\n");
+ else
+ esdhc_write32(&regs->dsaddr, lower_32_bits(addr));
+#else
esdhc_write32(&regs->dsaddr, (u32)data->dest);
#endif
+#endif
} else {
#ifndef CONFIG_SYS_FSL_ESDHC_USE_PIO
flush_dcache_range((ulong)data->src,
@@ -212,8 +223,16 @@ static int esdhc_setup_data(struct mmc *mmc, struct mmc_data *data)
esdhc_clrsetbits32(&regs->wml, WML_WR_WML_MASK,
wml_value << 16);
#ifndef CONFIG_SYS_FSL_ESDHC_USE_PIO
+#ifdef CONFIG_LS2085A
+ addr = virt_to_phys((void *)(data->src));
+ if (upper_32_bits(addr))
+ printf("Error found for upper 32 bits\n");
+ else
+ esdhc_write32(&regs->dsaddr, lower_32_bits(addr));
+#else
esdhc_write32(&regs->dsaddr, (u32)data->src);
#endif
+#endif
}

esdhc_write32(&regs->blkattr, data->blocks << 16 | data->blocksize);
@@ -259,10 +278,23 @@ static int esdhc_setup_data(struct mmc *mmc, struct mmc_data *data)
static void check_and_invalidate_dcache_range
(struct mmc_cmd *cmd,
struct mmc_data *data) {
+#ifdef CONFIG_LS2085A
+ unsigned start = 0;
+#else
unsigned start = (unsigned)data->dest ;
+#endif
unsigned size = roundup(ARCH_DMA_MINALIGN,
data->blocks*data->blocksize);
unsigned end = start+size ;
+#ifdef CONFIG_LS2085A
+ dma_addr_t addr;
+
+ addr = virt_to_phys((void *)(data->dest));
+ if (upper_32_bits(addr))
+ printf("Error found for upper 32 bits\n");
+ else
+ start = lower_32_bits(addr);
+#endif
invalidate_dcache_range(start, end);
}
#endif
diff --git a/include/configs/ls2085a_common.h b/include/configs/ls2085a_common.h
index febf4da..01ae2ef 100644
--- a/include/configs/ls2085a_common.h
+++ b/include/configs/ls2085a_common.h
@@ -153,6 +153,9 @@ unsigned long long get_qixis_addr(void);
#define QIXIS_BASE get_qixis_addr()
#define QIXIS_BASE_PHYS 0x20000000
#define QIXIS_BASE_PHYS_EARLY 0xC000000
+#define QIXIS_STAT_PRES1 0xb
+#define QIXIS_SDID_MASK 0x07
+#define QIXIS_ESDHC_NO_ADAPTER 0x7

#define CONFIG_SYS_NAND_BASE 0x530000000ULL
#define CONFIG_SYS_NAND_BASE_PHYS 0x30000000
@@ -217,8 +220,6 @@ unsigned long long get_qixis_addr(void);
#define CONFIG_CMD_BOOTD
#define CONFIG_CMD_ECHO
#define CONFIG_CMD_SOURCE
-#define CONFIG_CMD_FAT
-#define CONFIG_DOS_PARTITION

/* Miscellaneous configurable options */
#define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_DDR_SDRAM_BASE + 0x10000000)
diff --git a/include/configs/ls2085aqds.h b/include/configs/ls2085aqds.h
index 0203276..d11568c 100644
--- a/include/configs/ls2085aqds.h
+++ b/include/configs/ls2085aqds.h
@@ -278,6 +278,14 @@ unsigned long get_board_ddr_clk(void);
#define I2C_MUX_CH_DEFAULT 0x8

/*
+ * MMC
+ */
+#ifdef CONFIG_MMC
+#define CONFIG_ESDHC_DETECT_QUIRK ((readb(QIXIS_BASE + QIXIS_STAT_PRES1) & \
+ QIXIS_SDID_MASK) != QIXIS_ESDHC_NO_ADAPTER)
+#endif
+
+/*
* RTC configuration
*/
#define RTC
@@ -307,7 +315,16 @@ unsigned long get_board_ddr_clk(void);
#define CONFIG_CMD_NET
#endif

-
+/* MMC */
+#define CONFIG_MMC
+#ifdef CONFIG_MMC
+#define CONFIG_CMD_MMC
+#define CONFIG_FSL_ESDHC
+#define CONFIG_SYS_FSL_MMC_HAS_CAPBLT_VS33
+#define CONFIG_GENERIC_MMC
+#define CONFIG_CMD_FAT
+#define CONFIG_DOS_PARTITION
+#endif

/* Initial environment variables */
#undef CONFIG_EXTRA_ENV_SETTINGS
diff --git a/include/configs/ls2085ardb.h b/include/configs/ls2085ardb.h
index 34aa3e5..af3052e 100644
--- a/include/configs/ls2085ardb.h
+++ b/include/configs/ls2085ardb.h
@@ -280,7 +280,16 @@ unsigned long get_board_sys_clk(void);
#define CONFIG_CMD_NET
#endif

-
+/* MMC */
+#define CONFIG_MMC
+#ifdef CONFIG_MMC
+#define CONFIG_CMD_MMC
+#define CONFIG_FSL_ESDHC
+#define CONFIG_SYS_FSL_MMC_HAS_CAPBLT_VS33
+#define CONFIG_GENERIC_MMC
+#define CONFIG_CMD_FAT
+#define CONFIG_DOS_PARTITION
+#endif

/* Initial environment variables */
#undef CONFIG_EXTRA_ENV_SETTINGS
diff --git a/include/fsl_esdhc.h b/include/fsl_esdhc.h
index 57295b4..41bf05b 100644
--- a/include/fsl_esdhc.h
+++ b/include/fsl_esdhc.h
@@ -158,7 +158,11 @@
#define ESDHC_VENDORSPEC_VSELECT 0x00000002 /* Use 1.8V */

struct fsl_esdhc_cfg {
+#ifdef CONFIG_LS2085A
+ u64 esdhc_base;
+#else
u32 esdhc_base;
+#endif
u32 sdhc_clk;
u8 max_bus_width;
struct mmc_config cfg;
--
1.7.9.5