diff options
| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2013-04-17 05:17:56 +0000 |
|---|---|---|
| committer | Simon Horman <horms+renesas@verge.net.au> | 2013-06-07 14:26:32 +0900 |
| commit | ca7bb309485e4ec89a9addd47beaa1d079841b7d (patch) | |
| tree | dae3f259ea02653d66e8df391478adf0bf4eed4e /arch/arm/mach-shmobile/board-bockw.c | |
| parent | 6e267030252ab5309e074c3a19c92ceb7a01fc8b (diff) | |
| download | lwn-ca7bb309485e4ec89a9addd47beaa1d079841b7d.tar.gz lwn-ca7bb309485e4ec89a9addd47beaa1d079841b7d.zip | |
ARM: shmobile: bockw: add SDHI0 support
This patch is directly accessing to PUPR4 register which can
control SDHI0 CD/WP pin pull-up setting.
It should be replaced in the future.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'arch/arm/mach-shmobile/board-bockw.c')
| -rw-r--r-- | arch/arm/mach-shmobile/board-bockw.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-bockw.c b/arch/arm/mach-shmobile/board-bockw.c index 4d6571590135..2b6103e55c34 100644 --- a/arch/arm/mach-shmobile/board-bockw.c +++ b/arch/arm/mach-shmobile/board-bockw.c @@ -18,6 +18,8 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ +#include <linux/mfd/tmio.h> +#include <linux/mmc/host.h> #include <linux/pinctrl/machine.h> #include <linux/platform_device.h> #include <linux/regulator/fixed.h> @@ -54,16 +56,28 @@ static struct resource smsc911x_resources[] = { DEFINE_RES_IRQ(irq_pin(0)), /* IRQ 0 */ }; +/* SDHI */ +static struct sh_mobile_sdhi_info sdhi0_info = { + .tmio_caps = MMC_CAP_SD_HIGHSPEED, + .tmio_ocr_mask = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34, + .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT, +}; + static const struct pinctrl_map bockw_pinctrl_map[] = { /* SCIF0 */ PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a7778", "scif0_data_a", "scif0"), PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a7778", "scif0_ctrl", "scif0"), + /* SDHI0 */ + PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7778", + "sdhi0", "sdhi0"), }; #define FPGA 0x18200000 #define IRQ0MR 0x30 +#define PFC 0xfffc0000 +#define PUPR4 0x110 static void __init bockw_init(void) { void __iomem *base; @@ -76,6 +90,7 @@ static void __init bockw_init(void) ARRAY_SIZE(bockw_pinctrl_map)); r8a7778_pinmux_init(); + /* for SMSC */ base = ioremap_nocache(FPGA, SZ_1M); if (base) { /* @@ -98,6 +113,20 @@ static void __init bockw_init(void) smsc911x_resources, ARRAY_SIZE(smsc911x_resources), &smsc911x_data, sizeof(smsc911x_data)); } + + /* for SDHI */ + base = ioremap_nocache(PFC, 0x200); + if (base) { + /* + * FIXME + * + * SDHI CD/WP pin needs pull-up + */ + iowrite32(ioread32(base + PUPR4) | (3 << 26), base + PUPR4); + iounmap(base); + + r8a7778_sdhi_init(0, &sdhi0_info); + } } static const char *bockw_boards_compat_dt[] __initdata = { |