diff options
author | James Morris <jmorris@namei.org> | 2011-03-08 10:55:06 +1100 |
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committer | James Morris <jmorris@namei.org> | 2011-03-08 10:55:06 +1100 |
commit | 1cc26bada9f6807814806db2f0d78792eecdac71 (patch) | |
tree | 5509b5139db04af6c13db0a580c84116a4a54039 /include/linux/mmc/sh_mmcif.h | |
parent | eae61f3c829439f8f9121b5cd48a14be04df451f (diff) | |
parent | 214d93b02c4fe93638ad268613c9702a81ed9192 (diff) |
Merge branch 'master'; commit 'v2.6.38-rc7' into next
Diffstat (limited to 'include/linux/mmc/sh_mmcif.h')
-rw-r--r-- | include/linux/mmc/sh_mmcif.h | 41 |
1 files changed, 16 insertions, 25 deletions
diff --git a/include/linux/mmc/sh_mmcif.h b/include/linux/mmc/sh_mmcif.h index 44fc5348fd5d..38d393092812 100644 --- a/include/linux/mmc/sh_mmcif.h +++ b/include/linux/mmc/sh_mmcif.h @@ -94,16 +94,19 @@ struct sh_mmcif_plat_data { static inline u32 sh_mmcif_readl(void __iomem *addr, int reg) { - return readl(addr + reg); + return __raw_readl(addr + reg); } static inline void sh_mmcif_writel(void __iomem *addr, int reg, u32 val) { - writel(val, addr + reg); + __raw_writel(val, addr + reg); } #define SH_MMCIF_BBS 512 /* boot block size */ +enum { MMCIF_PROGRESS_ENTER, MMCIF_PROGRESS_INIT, + MMCIF_PROGRESS_LOAD, MMCIF_PROGRESS_DONE }; + static inline void sh_mmcif_boot_cmd_send(void __iomem *base, unsigned long cmd, unsigned long arg) { @@ -166,6 +169,17 @@ static inline int sh_mmcif_boot_do_read(void __iomem *base, unsigned long k; int ret = 0; + /* In data transfer mode: Set clock to Bus clock/4 (about 20Mhz) */ + sh_mmcif_writel(base, MMCIF_CE_CLK_CTRL, + CLK_ENABLE | CLKDIV_4 | SRSPTO_256 | + SRBSYTO_29 | SRWDTO_29 | SCCSTO_29); + + /* CMD9 - Get CSD */ + sh_mmcif_boot_cmd(base, 0x09806000, 0x00010000); + + /* CMD7 - Select the card */ + sh_mmcif_boot_cmd(base, 0x07400000, 0x00010000); + /* CMD16 - Set the block size */ sh_mmcif_boot_cmd(base, 0x10400000, SH_MMCIF_BBS); @@ -209,27 +223,4 @@ static inline void sh_mmcif_boot_init(void __iomem *base) sh_mmcif_boot_cmd(base, 0x03400040, 0x00010000); } -static inline void sh_mmcif_boot_slurp(void __iomem *base, - unsigned char *buf, - unsigned long no_bytes) -{ - unsigned long tmp; - - /* In data transfer mode: Set clock to Bus clock/4 (about 20Mhz) */ - sh_mmcif_writel(base, MMCIF_CE_CLK_CTRL, - CLK_ENABLE | CLKDIV_4 | SRSPTO_256 | - SRBSYTO_29 | SRWDTO_29 | SCCSTO_29); - - /* CMD9 - Get CSD */ - sh_mmcif_boot_cmd(base, 0x09806000, 0x00010000); - - /* CMD7 - Select the card */ - sh_mmcif_boot_cmd(base, 0x07400000, 0x00010000); - - tmp = no_bytes / SH_MMCIF_BBS; - tmp += (no_bytes % SH_MMCIF_BBS) ? 1 : 0; - - sh_mmcif_boot_do_read(base, 512, tmp, buf); -} - #endif /* __SH_MMCIF_H__ */ |