From: Roger Quadros rogerq@ti.com
Add MMC support for k2g
Signed-off-by: Roger Quadros rogerq@ti.com Signed-off-by: Lokesh Vutla lokeshvutla@ti.com Tested-by: Mugunthan V N mugunthanvnm@ti.com --- arch/arm/mach-keystone/include/mach/mmc_host_def.h | 22 ++++++++++++++++++++++ board/ti/ks2_evm/board_k2g.c | 16 ++++++++++++++++ drivers/mmc/omap_hsmmc.c | 7 +++++-- 3 files changed, 43 insertions(+), 2 deletions(-) create mode 100644 arch/arm/mach-keystone/include/mach/mmc_host_def.h
diff --git a/arch/arm/mach-keystone/include/mach/mmc_host_def.h b/arch/arm/mach-keystone/include/mach/mmc_host_def.h new file mode 100644 index 0000000..a5050ac --- /dev/null +++ b/arch/arm/mach-keystone/include/mach/mmc_host_def.h @@ -0,0 +1,22 @@ +/* + * K2G: MMC + * + * (C) Copyright 2015 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef K2G_MMC_HOST_DEF_H +#define K2G_MMC_HOST_DEF_H + +#include <asm/omap_mmc.h> + +/* + * OMAP HSMMC register definitions + */ + +#define OMAP_HSMMC1_BASE 0x23000100 +#define OMAP_HSMMC2_BASE 0x23100100 + +#endif /* K2G_MMC_HOST_DEF_H */ diff --git a/board/ti/ks2_evm/board_k2g.c b/board/ti/ks2_evm/board_k2g.c index b2bc793..3e1dd4c 100644 --- a/board/ti/ks2_evm/board_k2g.c +++ b/board/ti/ks2_evm/board_k2g.c @@ -9,6 +9,8 @@ #include <common.h> #include <asm/arch/clock.h> #include <asm/ti-common/keystone_net.h> +#include <asm/arch/psc_defs.h> +#include <asm/arch/mmc_host_def.h> #include "mux-k2g.h"
#define SYS_CLK 24000000 @@ -58,6 +60,20 @@ s16 divn_val[16] = { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 };
+#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC) +int board_mmc_init(bd_t *bis) +{ + if (psc_enable_module(KS2_LPSC_MMC)) { + printf("%s module enabled failed\n", __func__); + return -1; + } + + omap_mmc_init(0, 0, 0, -1, -1); + omap_mmc_init(1, 0, 0, -1, -1); + return 0; +} +#endif + #ifdef CONFIG_BOARD_EARLY_INIT_F int board_early_init_f(void) { diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c index d7b388f..5b74a5a 100644 --- a/drivers/mmc/omap_hsmmc.c +++ b/drivers/mmc/omap_hsmmc.c @@ -31,10 +31,12 @@ #include <twl4030.h> #include <twl6030.h> #include <palmas.h> -#include <asm/gpio.h> #include <asm/io.h> #include <asm/arch/mmc_host_def.h> +#if !defined(CONFIG_SOC_KEYSTONE) +#include <asm/gpio.h> #include <asm/arch/sys_proto.h> +#endif
/* simplify defines to OMAP_HSMMC_USE_GPIO */ #if (defined(CONFIG_OMAP_GPIO) && !defined(CONFIG_SPL_BUILD)) || \ @@ -662,7 +664,8 @@ int omap_mmc_init(int dev_index, uint host_caps_mask, uint f_max, int cd_gpio, priv_data->base_addr = (struct hsmmc *)OMAP_HSMMC2_BASE; #if (defined(CONFIG_OMAP44XX) || defined(CONFIG_OMAP54XX) || \ defined(CONFIG_DRA7XX) || defined(CONFIG_AM57XX) || \ - defined(CONFIG_AM43XX)) && defined(CONFIG_HSMMC2_8BIT) + defined(CONFIG_AM43XX) || defined(CONFIG_SOC_KEYSTONE)) && \ + defined(CONFIG_HSMMC2_8BIT) /* Enable 8-bit interface for eMMC on OMAP4/5 or DRA7XX */ host_caps_val |= MMC_MODE_8BIT; #endif