diff options
Diffstat (limited to 'include/linux/mmc/sh_mmcif.h')
-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 44fc5348fd5..bf173502d74 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__ */ |