diff options
Diffstat (limited to 'include/linux/mmc')
| -rw-r--r-- | include/linux/mmc/sh_mmcif.h | 37 |
1 files changed, 14 insertions, 23 deletions
diff --git a/include/linux/mmc/sh_mmcif.h b/include/linux/mmc/sh_mmcif.h index 44fc5348fd5d..bf173502d744 100644 --- a/include/linux/mmc/sh_mmcif.h +++ b/include/linux/mmc/sh_mmcif.h | |||
| @@ -104,6 +104,9 @@ static inline void sh_mmcif_writel(void __iomem *addr, int reg, u32 val) | |||
| 104 | 104 | ||
| 105 | #define SH_MMCIF_BBS 512 /* boot block size */ | 105 | #define SH_MMCIF_BBS 512 /* boot block size */ |
| 106 | 106 | ||
| 107 | enum { MMCIF_PROGRESS_ENTER, MMCIF_PROGRESS_INIT, | ||
| 108 | MMCIF_PROGRESS_LOAD, MMCIF_PROGRESS_DONE }; | ||
| 109 | |||
| 107 | static inline void sh_mmcif_boot_cmd_send(void __iomem *base, | 110 | static inline void sh_mmcif_boot_cmd_send(void __iomem *base, |
| 108 | unsigned long cmd, unsigned long arg) | 111 | unsigned long cmd, unsigned long arg) |
| 109 | { | 112 | { |
| @@ -166,6 +169,17 @@ static inline int sh_mmcif_boot_do_read(void __iomem *base, | |||
| 166 | unsigned long k; | 169 | unsigned long k; |
| 167 | int ret = 0; | 170 | int ret = 0; |
| 168 | 171 | ||
| 172 | /* In data transfer mode: Set clock to Bus clock/4 (about 20Mhz) */ | ||
| 173 | sh_mmcif_writel(base, MMCIF_CE_CLK_CTRL, | ||
| 174 | CLK_ENABLE | CLKDIV_4 | SRSPTO_256 | | ||
| 175 | SRBSYTO_29 | SRWDTO_29 | SCCSTO_29); | ||
| 176 | |||
| 177 | /* CMD9 - Get CSD */ | ||
| 178 | sh_mmcif_boot_cmd(base, 0x09806000, 0x00010000); | ||
| 179 | |||
| 180 | /* CMD7 - Select the card */ | ||
| 181 | sh_mmcif_boot_cmd(base, 0x07400000, 0x00010000); | ||
| 182 | |||
| 169 | /* CMD16 - Set the block size */ | 183 | /* CMD16 - Set the block size */ |
| 170 | sh_mmcif_boot_cmd(base, 0x10400000, SH_MMCIF_BBS); | 184 | sh_mmcif_boot_cmd(base, 0x10400000, SH_MMCIF_BBS); |
| 171 | 185 | ||
| @@ -209,27 +223,4 @@ static inline void sh_mmcif_boot_init(void __iomem *base) | |||
| 209 | sh_mmcif_boot_cmd(base, 0x03400040, 0x00010000); | 223 | sh_mmcif_boot_cmd(base, 0x03400040, 0x00010000); |
| 210 | } | 224 | } |
| 211 | 225 | ||
| 212 | static inline void sh_mmcif_boot_slurp(void __iomem *base, | ||
| 213 | unsigned char *buf, | ||
| 214 | unsigned long no_bytes) | ||
| 215 | { | ||
| 216 | unsigned long tmp; | ||
| 217 | |||
| 218 | /* In data transfer mode: Set clock to Bus clock/4 (about 20Mhz) */ | ||
| 219 | sh_mmcif_writel(base, MMCIF_CE_CLK_CTRL, | ||
| 220 | CLK_ENABLE | CLKDIV_4 | SRSPTO_256 | | ||
| 221 | SRBSYTO_29 | SRWDTO_29 | SCCSTO_29); | ||
| 222 | |||
| 223 | /* CMD9 - Get CSD */ | ||
| 224 | sh_mmcif_boot_cmd(base, 0x09806000, 0x00010000); | ||
| 225 | |||
| 226 | /* CMD7 - Select the card */ | ||
| 227 | sh_mmcif_boot_cmd(base, 0x07400000, 0x00010000); | ||
| 228 | |||
| 229 | tmp = no_bytes / SH_MMCIF_BBS; | ||
| 230 | tmp += (no_bytes % SH_MMCIF_BBS) ? 1 : 0; | ||
| 231 | |||
| 232 | sh_mmcif_boot_do_read(base, 512, tmp, buf); | ||
| 233 | } | ||
| 234 | |||
| 235 | #endif /* __SH_MMCIF_H__ */ | 226 | #endif /* __SH_MMCIF_H__ */ |
