Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2011, Marvell Semiconductor Inc. |
| 3 | * Lei Wen <leiwen@marvell.com> |
| 4 | * |
Wolfgang Denk | d79de1d | 2013-07-08 09:37:19 +0200 | [diff] [blame] | 5 | * SPDX-License-Identifier: GPL-2.0+ |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 6 | * |
| 7 | * Back ported to the 8xx platform (from the 8260 platform) by |
| 8 | * Murray.Jensen@cmst.csiro.au, 27-Jan-01. |
| 9 | */ |
| 10 | |
| 11 | #include <common.h> |
Simon Glass | b084207 | 2016-06-12 23:30:27 -0600 | [diff] [blame] | 12 | #include <errno.h> |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 13 | #include <malloc.h> |
| 14 | #include <mmc.h> |
| 15 | #include <sdhci.h> |
| 16 | |
Stefan Roese | 13a547f | 2015-06-29 14:58:09 +0200 | [diff] [blame] | 17 | #if defined(CONFIG_FIXED_SDHCI_ALIGNED_BUFFER) |
| 18 | void *aligned_buffer = (void *)CONFIG_FIXED_SDHCI_ALIGNED_BUFFER; |
| 19 | #else |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 20 | void *aligned_buffer; |
Stefan Roese | 13a547f | 2015-06-29 14:58:09 +0200 | [diff] [blame] | 21 | #endif |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 22 | |
| 23 | static void sdhci_reset(struct sdhci_host *host, u8 mask) |
| 24 | { |
| 25 | unsigned long timeout; |
| 26 | |
| 27 | /* Wait max 100 ms */ |
| 28 | timeout = 100; |
| 29 | sdhci_writeb(host, mask, SDHCI_SOFTWARE_RESET); |
| 30 | while (sdhci_readb(host, SDHCI_SOFTWARE_RESET) & mask) { |
| 31 | if (timeout == 0) { |
Darwin Rambo | 4355813 | 2013-12-19 15:13:25 -0800 | [diff] [blame] | 32 | printf("%s: Reset 0x%x never completed.\n", |
| 33 | __func__, (int)mask); |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 34 | return; |
| 35 | } |
| 36 | timeout--; |
| 37 | udelay(1000); |
| 38 | } |
| 39 | } |
| 40 | |
| 41 | static void sdhci_cmd_done(struct sdhci_host *host, struct mmc_cmd *cmd) |
| 42 | { |
| 43 | int i; |
| 44 | if (cmd->resp_type & MMC_RSP_136) { |
| 45 | /* CRC is stripped so we need to do some shifting. */ |
| 46 | for (i = 0; i < 4; i++) { |
| 47 | cmd->response[i] = sdhci_readl(host, |
| 48 | SDHCI_RESPONSE + (3-i)*4) << 8; |
| 49 | if (i != 3) |
| 50 | cmd->response[i] |= sdhci_readb(host, |
| 51 | SDHCI_RESPONSE + (3-i)*4-1); |
| 52 | } |
| 53 | } else { |
| 54 | cmd->response[0] = sdhci_readl(host, SDHCI_RESPONSE); |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | static void sdhci_transfer_pio(struct sdhci_host *host, struct mmc_data *data) |
| 59 | { |
| 60 | int i; |
| 61 | char *offs; |
| 62 | for (i = 0; i < data->blocksize; i += 4) { |
| 63 | offs = data->dest + i; |
| 64 | if (data->flags == MMC_DATA_READ) |
| 65 | *(u32 *)offs = sdhci_readl(host, SDHCI_BUFFER); |
| 66 | else |
| 67 | sdhci_writel(host, *(u32 *)offs, SDHCI_BUFFER); |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | static int sdhci_transfer_data(struct sdhci_host *host, struct mmc_data *data, |
| 72 | unsigned int start_addr) |
| 73 | { |
Lei Wen | 6c13c66 | 2011-10-08 04:14:57 +0000 | [diff] [blame] | 74 | unsigned int stat, rdy, mask, timeout, block = 0; |
Masahiro Yamada | 124f6ce | 2016-12-07 22:10:29 +0900 | [diff] [blame] | 75 | #ifdef CONFIG_MMC_SDHCI_SDMA |
Jaehoon Chung | f77f058 | 2012-09-20 20:31:55 +0000 | [diff] [blame] | 76 | unsigned char ctrl; |
Juhyun \(Justin\) Oh | 7d48a73 | 2013-09-13 18:06:00 +0000 | [diff] [blame] | 77 | ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL); |
Jaehoon Chung | f77f058 | 2012-09-20 20:31:55 +0000 | [diff] [blame] | 78 | ctrl &= ~SDHCI_CTRL_DMA_MASK; |
Juhyun \(Justin\) Oh | 7d48a73 | 2013-09-13 18:06:00 +0000 | [diff] [blame] | 79 | sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); |
Jaehoon Chung | f77f058 | 2012-09-20 20:31:55 +0000 | [diff] [blame] | 80 | #endif |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 81 | |
Jaehoon Chung | 30686bd | 2012-09-20 20:31:54 +0000 | [diff] [blame] | 82 | timeout = 1000000; |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 83 | rdy = SDHCI_INT_SPACE_AVAIL | SDHCI_INT_DATA_AVAIL; |
| 84 | mask = SDHCI_DATA_AVAILABLE | SDHCI_SPACE_AVAILABLE; |
| 85 | do { |
| 86 | stat = sdhci_readl(host, SDHCI_INT_STATUS); |
| 87 | if (stat & SDHCI_INT_ERROR) { |
Darwin Rambo | 4355813 | 2013-12-19 15:13:25 -0800 | [diff] [blame] | 88 | printf("%s: Error detected in status(0x%X)!\n", |
| 89 | __func__, stat); |
Jaehoon Chung | fc6c1c6 | 2016-09-26 08:10:02 +0900 | [diff] [blame] | 90 | return -EIO; |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 91 | } |
| 92 | if (stat & rdy) { |
| 93 | if (!(sdhci_readl(host, SDHCI_PRESENT_STATE) & mask)) |
| 94 | continue; |
| 95 | sdhci_writel(host, rdy, SDHCI_INT_STATUS); |
| 96 | sdhci_transfer_pio(host, data); |
| 97 | data->dest += data->blocksize; |
| 98 | if (++block >= data->blocks) |
| 99 | break; |
| 100 | } |
Masahiro Yamada | 124f6ce | 2016-12-07 22:10:29 +0900 | [diff] [blame] | 101 | #ifdef CONFIG_MMC_SDHCI_SDMA |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 102 | if (stat & SDHCI_INT_DMA_END) { |
| 103 | sdhci_writel(host, SDHCI_INT_DMA_END, SDHCI_INT_STATUS); |
Lei Wen | 8241d40 | 2011-10-08 04:14:58 +0000 | [diff] [blame] | 104 | start_addr &= ~(SDHCI_DEFAULT_BOUNDARY_SIZE - 1); |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 105 | start_addr += SDHCI_DEFAULT_BOUNDARY_SIZE; |
| 106 | sdhci_writel(host, start_addr, SDHCI_DMA_ADDRESS); |
| 107 | } |
| 108 | #endif |
Lei Wen | 6c13c66 | 2011-10-08 04:14:57 +0000 | [diff] [blame] | 109 | if (timeout-- > 0) |
| 110 | udelay(10); |
| 111 | else { |
Darwin Rambo | 4355813 | 2013-12-19 15:13:25 -0800 | [diff] [blame] | 112 | printf("%s: Transfer data timeout\n", __func__); |
Jaehoon Chung | fc6c1c6 | 2016-09-26 08:10:02 +0900 | [diff] [blame] | 113 | return -ETIMEDOUT; |
Lei Wen | 6c13c66 | 2011-10-08 04:14:57 +0000 | [diff] [blame] | 114 | } |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 115 | } while (!(stat & SDHCI_INT_DATA_END)); |
| 116 | return 0; |
| 117 | } |
| 118 | |
Przemyslaw Marczak | adccccf | 2013-10-08 18:12:09 +0200 | [diff] [blame] | 119 | /* |
| 120 | * No command will be sent by driver if card is busy, so driver must wait |
| 121 | * for card ready state. |
| 122 | * Every time when card is busy after timeout then (last) timeout value will be |
| 123 | * increased twice but only if it doesn't exceed global defined maximum. |
Masahiro Yamada | 9625011 | 2016-08-25 16:07:39 +0900 | [diff] [blame] | 124 | * Each function call will use last timeout value. |
Przemyslaw Marczak | adccccf | 2013-10-08 18:12:09 +0200 | [diff] [blame] | 125 | */ |
Masahiro Yamada | 9625011 | 2016-08-25 16:07:39 +0900 | [diff] [blame] | 126 | #define SDHCI_CMD_MAX_TIMEOUT 3200 |
Masahiro Yamada | d451231 | 2016-08-25 16:07:38 +0900 | [diff] [blame] | 127 | #define SDHCI_CMD_DEFAULT_TIMEOUT 100 |
Steve Rae | d478083 | 2016-06-29 13:42:01 -0700 | [diff] [blame] | 128 | #define SDHCI_READ_STATUS_TIMEOUT 1000 |
Przemyslaw Marczak | adccccf | 2013-10-08 18:12:09 +0200 | [diff] [blame] | 129 | |
Simon Glass | b97f0fa | 2016-06-12 23:30:28 -0600 | [diff] [blame] | 130 | #ifdef CONFIG_DM_MMC_OPS |
| 131 | static int sdhci_send_command(struct udevice *dev, struct mmc_cmd *cmd, |
| 132 | struct mmc_data *data) |
| 133 | { |
| 134 | struct mmc *mmc = mmc_get_mmc_dev(dev); |
| 135 | |
| 136 | #else |
Jeroen Hofstee | ee54c7b | 2014-10-08 22:57:43 +0200 | [diff] [blame] | 137 | static int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd, |
Simon Glass | b97f0fa | 2016-06-12 23:30:28 -0600 | [diff] [blame] | 138 | struct mmc_data *data) |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 139 | { |
Simon Glass | b97f0fa | 2016-06-12 23:30:28 -0600 | [diff] [blame] | 140 | #endif |
Pantelis Antoniou | 2c85046 | 2014-03-11 19:34:20 +0200 | [diff] [blame] | 141 | struct sdhci_host *host = mmc->priv; |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 142 | unsigned int stat = 0; |
| 143 | int ret = 0; |
| 144 | int trans_bytes = 0, is_aligned = 1; |
| 145 | u32 mask, flags, mode; |
Przemyslaw Marczak | adccccf | 2013-10-08 18:12:09 +0200 | [diff] [blame] | 146 | unsigned int time = 0, start_addr = 0; |
Simon Glass | 97c78e8 | 2016-05-14 14:03:04 -0600 | [diff] [blame] | 147 | int mmc_dev = mmc_get_blk_desc(mmc)->devnum; |
Stefan Roese | 42817a4 | 2015-06-29 14:58:08 +0200 | [diff] [blame] | 148 | unsigned start = get_timer(0); |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 149 | |
Przemyslaw Marczak | adccccf | 2013-10-08 18:12:09 +0200 | [diff] [blame] | 150 | /* Timeout unit - ms */ |
Masahiro Yamada | d451231 | 2016-08-25 16:07:38 +0900 | [diff] [blame] | 151 | static unsigned int cmd_timeout = SDHCI_CMD_DEFAULT_TIMEOUT; |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 152 | |
| 153 | sdhci_writel(host, SDHCI_INT_ALL_MASK, SDHCI_INT_STATUS); |
| 154 | mask = SDHCI_CMD_INHIBIT | SDHCI_DATA_INHIBIT; |
| 155 | |
| 156 | /* We shouldn't wait for data inihibit for stop commands, even |
| 157 | though they might use busy signaling */ |
| 158 | if (cmd->cmdidx == MMC_CMD_STOP_TRANSMISSION) |
| 159 | mask &= ~SDHCI_DATA_INHIBIT; |
| 160 | |
| 161 | while (sdhci_readl(host, SDHCI_PRESENT_STATE) & mask) { |
Przemyslaw Marczak | adccccf | 2013-10-08 18:12:09 +0200 | [diff] [blame] | 162 | if (time >= cmd_timeout) { |
Darwin Rambo | 4355813 | 2013-12-19 15:13:25 -0800 | [diff] [blame] | 163 | printf("%s: MMC: %d busy ", __func__, mmc_dev); |
Masahiro Yamada | 9625011 | 2016-08-25 16:07:39 +0900 | [diff] [blame] | 164 | if (2 * cmd_timeout <= SDHCI_CMD_MAX_TIMEOUT) { |
Przemyslaw Marczak | adccccf | 2013-10-08 18:12:09 +0200 | [diff] [blame] | 165 | cmd_timeout += cmd_timeout; |
| 166 | printf("timeout increasing to: %u ms.\n", |
| 167 | cmd_timeout); |
| 168 | } else { |
| 169 | puts("timeout.\n"); |
Jaehoon Chung | 7825d20 | 2016-07-19 16:33:36 +0900 | [diff] [blame] | 170 | return -ECOMM; |
Przemyslaw Marczak | adccccf | 2013-10-08 18:12:09 +0200 | [diff] [blame] | 171 | } |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 172 | } |
Przemyslaw Marczak | adccccf | 2013-10-08 18:12:09 +0200 | [diff] [blame] | 173 | time++; |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 174 | udelay(1000); |
| 175 | } |
| 176 | |
| 177 | mask = SDHCI_INT_RESPONSE; |
| 178 | if (!(cmd->resp_type & MMC_RSP_PRESENT)) |
| 179 | flags = SDHCI_CMD_RESP_NONE; |
| 180 | else if (cmd->resp_type & MMC_RSP_136) |
| 181 | flags = SDHCI_CMD_RESP_LONG; |
| 182 | else if (cmd->resp_type & MMC_RSP_BUSY) { |
| 183 | flags = SDHCI_CMD_RESP_SHORT_BUSY; |
Jaehoon Chung | d0d1b25 | 2016-07-12 21:18:46 +0900 | [diff] [blame] | 184 | if (data) |
| 185 | mask |= SDHCI_INT_DATA_END; |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 186 | } else |
| 187 | flags = SDHCI_CMD_RESP_SHORT; |
| 188 | |
| 189 | if (cmd->resp_type & MMC_RSP_CRC) |
| 190 | flags |= SDHCI_CMD_CRC; |
| 191 | if (cmd->resp_type & MMC_RSP_OPCODE) |
| 192 | flags |= SDHCI_CMD_INDEX; |
| 193 | if (data) |
| 194 | flags |= SDHCI_CMD_DATA; |
| 195 | |
Darwin Rambo | 4355813 | 2013-12-19 15:13:25 -0800 | [diff] [blame] | 196 | /* Set Transfer mode regarding to data flag */ |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 197 | if (data != 0) { |
| 198 | sdhci_writeb(host, 0xe, SDHCI_TIMEOUT_CONTROL); |
| 199 | mode = SDHCI_TRNS_BLK_CNT_EN; |
| 200 | trans_bytes = data->blocks * data->blocksize; |
| 201 | if (data->blocks > 1) |
| 202 | mode |= SDHCI_TRNS_MULTI; |
| 203 | |
| 204 | if (data->flags == MMC_DATA_READ) |
| 205 | mode |= SDHCI_TRNS_READ; |
| 206 | |
Masahiro Yamada | 124f6ce | 2016-12-07 22:10:29 +0900 | [diff] [blame] | 207 | #ifdef CONFIG_MMC_SDHCI_SDMA |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 208 | if (data->flags == MMC_DATA_READ) |
Rob Herring | 45ad229 | 2015-03-17 15:46:38 -0500 | [diff] [blame] | 209 | start_addr = (unsigned long)data->dest; |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 210 | else |
Rob Herring | 45ad229 | 2015-03-17 15:46:38 -0500 | [diff] [blame] | 211 | start_addr = (unsigned long)data->src; |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 212 | if ((host->quirks & SDHCI_QUIRK_32BIT_DMA_ADDR) && |
| 213 | (start_addr & 0x7) != 0x0) { |
| 214 | is_aligned = 0; |
Rob Herring | 45ad229 | 2015-03-17 15:46:38 -0500 | [diff] [blame] | 215 | start_addr = (unsigned long)aligned_buffer; |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 216 | if (data->flags != MMC_DATA_READ) |
| 217 | memcpy(aligned_buffer, data->src, trans_bytes); |
| 218 | } |
| 219 | |
Stefan Roese | 13a547f | 2015-06-29 14:58:09 +0200 | [diff] [blame] | 220 | #if defined(CONFIG_FIXED_SDHCI_ALIGNED_BUFFER) |
| 221 | /* |
| 222 | * Always use this bounce-buffer when |
| 223 | * CONFIG_FIXED_SDHCI_ALIGNED_BUFFER is defined |
| 224 | */ |
| 225 | is_aligned = 0; |
| 226 | start_addr = (unsigned long)aligned_buffer; |
| 227 | if (data->flags != MMC_DATA_READ) |
| 228 | memcpy(aligned_buffer, data->src, trans_bytes); |
| 229 | #endif |
| 230 | |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 231 | sdhci_writel(host, start_addr, SDHCI_DMA_ADDRESS); |
| 232 | mode |= SDHCI_TRNS_DMA; |
| 233 | #endif |
| 234 | sdhci_writew(host, SDHCI_MAKE_BLKSZ(SDHCI_DEFAULT_BOUNDARY_ARG, |
| 235 | data->blocksize), |
| 236 | SDHCI_BLOCK_SIZE); |
| 237 | sdhci_writew(host, data->blocks, SDHCI_BLOCK_COUNT); |
| 238 | sdhci_writew(host, mode, SDHCI_TRANSFER_MODE); |
Kevin Liu | 8e5db91 | 2015-03-23 17:57:00 -0500 | [diff] [blame] | 239 | } else if (cmd->resp_type & MMC_RSP_BUSY) { |
| 240 | sdhci_writeb(host, 0xe, SDHCI_TIMEOUT_CONTROL); |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 241 | } |
| 242 | |
| 243 | sdhci_writel(host, cmd->cmdarg, SDHCI_ARGUMENT); |
Masahiro Yamada | 124f6ce | 2016-12-07 22:10:29 +0900 | [diff] [blame] | 244 | #ifdef CONFIG_MMC_SDHCI_SDMA |
Jaehoon Chung | 6b4026d | 2016-10-13 10:33:06 +0900 | [diff] [blame] | 245 | trans_bytes = ALIGN(trans_bytes, CONFIG_SYS_CACHELINE_SIZE); |
Lei Wen | 5b30be0 | 2011-10-08 04:14:54 +0000 | [diff] [blame] | 246 | flush_cache(start_addr, trans_bytes); |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 247 | #endif |
| 248 | sdhci_writew(host, SDHCI_MAKE_CMD(cmd->cmdidx, flags), SDHCI_COMMAND); |
Stefan Roese | 42817a4 | 2015-06-29 14:58:08 +0200 | [diff] [blame] | 249 | start = get_timer(0); |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 250 | do { |
| 251 | stat = sdhci_readl(host, SDHCI_INT_STATUS); |
| 252 | if (stat & SDHCI_INT_ERROR) |
| 253 | break; |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 254 | |
Masahiro Yamada | a63aaa0 | 2016-07-10 00:40:22 +0900 | [diff] [blame] | 255 | if (get_timer(start) >= SDHCI_READ_STATUS_TIMEOUT) { |
| 256 | if (host->quirks & SDHCI_QUIRK_BROKEN_R1B) { |
| 257 | return 0; |
| 258 | } else { |
| 259 | printf("%s: Timeout for status update!\n", |
| 260 | __func__); |
Jaehoon Chung | 7825d20 | 2016-07-19 16:33:36 +0900 | [diff] [blame] | 261 | return -ETIMEDOUT; |
Masahiro Yamada | a63aaa0 | 2016-07-10 00:40:22 +0900 | [diff] [blame] | 262 | } |
Jaehoon Chung | 89237a8 | 2012-04-23 02:36:25 +0000 | [diff] [blame] | 263 | } |
Masahiro Yamada | a63aaa0 | 2016-07-10 00:40:22 +0900 | [diff] [blame] | 264 | } while ((stat & mask) != mask); |
Jaehoon Chung | 89237a8 | 2012-04-23 02:36:25 +0000 | [diff] [blame] | 265 | |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 266 | if ((stat & (SDHCI_INT_ERROR | mask)) == mask) { |
| 267 | sdhci_cmd_done(host, cmd); |
| 268 | sdhci_writel(host, mask, SDHCI_INT_STATUS); |
| 269 | } else |
| 270 | ret = -1; |
| 271 | |
| 272 | if (!ret && data) |
| 273 | ret = sdhci_transfer_data(host, data, start_addr); |
| 274 | |
Tushar Behera | 0fba4c2 | 2012-09-20 20:31:57 +0000 | [diff] [blame] | 275 | if (host->quirks & SDHCI_QUIRK_WAIT_SEND_CMD) |
| 276 | udelay(1000); |
| 277 | |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 278 | stat = sdhci_readl(host, SDHCI_INT_STATUS); |
| 279 | sdhci_writel(host, SDHCI_INT_ALL_MASK, SDHCI_INT_STATUS); |
| 280 | if (!ret) { |
| 281 | if ((host->quirks & SDHCI_QUIRK_32BIT_DMA_ADDR) && |
| 282 | !is_aligned && (data->flags == MMC_DATA_READ)) |
| 283 | memcpy(data->dest, aligned_buffer, trans_bytes); |
| 284 | return 0; |
| 285 | } |
| 286 | |
| 287 | sdhci_reset(host, SDHCI_RESET_CMD); |
| 288 | sdhci_reset(host, SDHCI_RESET_DATA); |
| 289 | if (stat & SDHCI_INT_TIMEOUT) |
Jaehoon Chung | 7825d20 | 2016-07-19 16:33:36 +0900 | [diff] [blame] | 290 | return -ETIMEDOUT; |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 291 | else |
Jaehoon Chung | 7825d20 | 2016-07-19 16:33:36 +0900 | [diff] [blame] | 292 | return -ECOMM; |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 293 | } |
| 294 | |
| 295 | static int sdhci_set_clock(struct mmc *mmc, unsigned int clock) |
| 296 | { |
Pantelis Antoniou | 2c85046 | 2014-03-11 19:34:20 +0200 | [diff] [blame] | 297 | struct sdhci_host *host = mmc->priv; |
Wenyou Yang | 3d73404 | 2016-09-18 09:01:22 +0800 | [diff] [blame] | 298 | unsigned int div, clk = 0, timeout, reg; |
Wenyou Yang | 09456d9 | 2015-09-22 14:59:25 +0800 | [diff] [blame] | 299 | |
| 300 | /* Wait max 20 ms */ |
| 301 | timeout = 200; |
| 302 | while (sdhci_readl(host, SDHCI_PRESENT_STATE) & |
| 303 | (SDHCI_CMD_INHIBIT | SDHCI_DATA_INHIBIT)) { |
| 304 | if (timeout == 0) { |
| 305 | printf("%s: Timeout to wait cmd & data inhibit\n", |
| 306 | __func__); |
Jaehoon Chung | fc6c1c6 | 2016-09-26 08:10:02 +0900 | [diff] [blame] | 307 | return -EBUSY; |
Wenyou Yang | 09456d9 | 2015-09-22 14:59:25 +0800 | [diff] [blame] | 308 | } |
| 309 | |
| 310 | timeout--; |
| 311 | udelay(100); |
| 312 | } |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 313 | |
Wenyou Yang | 09456d9 | 2015-09-22 14:59:25 +0800 | [diff] [blame] | 314 | reg = sdhci_readw(host, SDHCI_CLOCK_CONTROL); |
Siva Durga Prasad Paladugu | 2da5125 | 2016-02-25 12:51:50 +0530 | [diff] [blame] | 315 | reg &= ~(SDHCI_CLOCK_CARD_EN | SDHCI_CLOCK_INT_EN); |
Wenyou Yang | 09456d9 | 2015-09-22 14:59:25 +0800 | [diff] [blame] | 316 | sdhci_writew(host, reg, SDHCI_CLOCK_CONTROL); |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 317 | |
| 318 | if (clock == 0) |
| 319 | return 0; |
| 320 | |
Jaehoon Chung | 46e627c | 2013-07-19 17:44:49 +0900 | [diff] [blame] | 321 | if (SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300) { |
Wenyou Yang | 3d73404 | 2016-09-18 09:01:22 +0800 | [diff] [blame] | 322 | /* |
| 323 | * Check if the Host Controller supports Programmable Clock |
| 324 | * Mode. |
| 325 | */ |
| 326 | if (host->clk_mul) { |
| 327 | for (div = 1; div <= 1024; div++) { |
| 328 | if ((mmc->cfg->f_max * host->clk_mul / div) |
| 329 | <= clock) |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 330 | break; |
| 331 | } |
Wenyou Yang | 3d73404 | 2016-09-18 09:01:22 +0800 | [diff] [blame] | 332 | |
| 333 | /* |
| 334 | * Set Programmable Clock Mode in the Clock |
| 335 | * Control register. |
| 336 | */ |
| 337 | clk = SDHCI_PROG_CLOCK_MODE; |
| 338 | div--; |
| 339 | } else { |
| 340 | /* Version 3.00 divisors must be a multiple of 2. */ |
| 341 | if (mmc->cfg->f_max <= clock) { |
| 342 | div = 1; |
| 343 | } else { |
| 344 | for (div = 2; |
| 345 | div < SDHCI_MAX_DIV_SPEC_300; |
| 346 | div += 2) { |
| 347 | if ((mmc->cfg->f_max / div) <= clock) |
| 348 | break; |
| 349 | } |
| 350 | } |
| 351 | div >>= 1; |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 352 | } |
| 353 | } else { |
| 354 | /* Version 2.00 divisors must be a power of 2. */ |
| 355 | for (div = 1; div < SDHCI_MAX_DIV_SPEC_200; div *= 2) { |
Pantelis Antoniou | 2c85046 | 2014-03-11 19:34:20 +0200 | [diff] [blame] | 356 | if ((mmc->cfg->f_max / div) <= clock) |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 357 | break; |
| 358 | } |
Wenyou Yang | 3d73404 | 2016-09-18 09:01:22 +0800 | [diff] [blame] | 359 | div >>= 1; |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 360 | } |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 361 | |
Masahiro Yamada | eeb91ad | 2017-01-13 11:51:51 +0900 | [diff] [blame^] | 362 | if (host->ops && host->ops->set_clock) |
Jaehoon Chung | 46d3c03 | 2016-12-30 15:30:18 +0900 | [diff] [blame] | 363 | host->ops->set_clock(host, div); |
Jaehoon Chung | b1929ea | 2012-08-30 16:24:11 +0000 | [diff] [blame] | 364 | |
Wenyou Yang | 3d73404 | 2016-09-18 09:01:22 +0800 | [diff] [blame] | 365 | clk |= (div & SDHCI_DIV_MASK) << SDHCI_DIVIDER_SHIFT; |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 366 | clk |= ((div & SDHCI_DIV_HI_MASK) >> SDHCI_DIV_MASK_LEN) |
| 367 | << SDHCI_DIVIDER_HI_SHIFT; |
| 368 | clk |= SDHCI_CLOCK_INT_EN; |
| 369 | sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL); |
| 370 | |
| 371 | /* Wait max 20 ms */ |
| 372 | timeout = 20; |
| 373 | while (!((clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL)) |
| 374 | & SDHCI_CLOCK_INT_STABLE)) { |
| 375 | if (timeout == 0) { |
Darwin Rambo | 4355813 | 2013-12-19 15:13:25 -0800 | [diff] [blame] | 376 | printf("%s: Internal clock never stabilised.\n", |
| 377 | __func__); |
Jaehoon Chung | fc6c1c6 | 2016-09-26 08:10:02 +0900 | [diff] [blame] | 378 | return -EBUSY; |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 379 | } |
| 380 | timeout--; |
| 381 | udelay(1000); |
| 382 | } |
| 383 | |
| 384 | clk |= SDHCI_CLOCK_CARD_EN; |
| 385 | sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL); |
| 386 | return 0; |
| 387 | } |
| 388 | |
| 389 | static void sdhci_set_power(struct sdhci_host *host, unsigned short power) |
| 390 | { |
| 391 | u8 pwr = 0; |
| 392 | |
| 393 | if (power != (unsigned short)-1) { |
| 394 | switch (1 << power) { |
| 395 | case MMC_VDD_165_195: |
| 396 | pwr = SDHCI_POWER_180; |
| 397 | break; |
| 398 | case MMC_VDD_29_30: |
| 399 | case MMC_VDD_30_31: |
| 400 | pwr = SDHCI_POWER_300; |
| 401 | break; |
| 402 | case MMC_VDD_32_33: |
| 403 | case MMC_VDD_33_34: |
| 404 | pwr = SDHCI_POWER_330; |
| 405 | break; |
| 406 | } |
| 407 | } |
| 408 | |
| 409 | if (pwr == 0) { |
| 410 | sdhci_writeb(host, 0, SDHCI_POWER_CONTROL); |
| 411 | return; |
| 412 | } |
| 413 | |
| 414 | pwr |= SDHCI_POWER_ON; |
| 415 | |
| 416 | sdhci_writeb(host, pwr, SDHCI_POWER_CONTROL); |
| 417 | } |
| 418 | |
Simon Glass | b97f0fa | 2016-06-12 23:30:28 -0600 | [diff] [blame] | 419 | #ifdef CONFIG_DM_MMC_OPS |
| 420 | static int sdhci_set_ios(struct udevice *dev) |
| 421 | { |
| 422 | struct mmc *mmc = mmc_get_mmc_dev(dev); |
| 423 | #else |
Jaehoon Chung | b6cd1d3 | 2016-12-30 15:30:16 +0900 | [diff] [blame] | 424 | static int sdhci_set_ios(struct mmc *mmc) |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 425 | { |
Simon Glass | b97f0fa | 2016-06-12 23:30:28 -0600 | [diff] [blame] | 426 | #endif |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 427 | u32 ctrl; |
Pantelis Antoniou | 2c85046 | 2014-03-11 19:34:20 +0200 | [diff] [blame] | 428 | struct sdhci_host *host = mmc->priv; |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 429 | |
Masahiro Yamada | eeb91ad | 2017-01-13 11:51:51 +0900 | [diff] [blame^] | 430 | if (host->ops && host->ops->set_control_reg) |
Jaehoon Chung | 46d3c03 | 2016-12-30 15:30:18 +0900 | [diff] [blame] | 431 | host->ops->set_control_reg(host); |
Jaehoon Chung | 53889ed | 2012-04-23 02:36:26 +0000 | [diff] [blame] | 432 | |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 433 | if (mmc->clock != host->clock) |
| 434 | sdhci_set_clock(mmc, mmc->clock); |
| 435 | |
| 436 | /* Set bus width */ |
| 437 | ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL); |
| 438 | if (mmc->bus_width == 8) { |
| 439 | ctrl &= ~SDHCI_CTRL_4BITBUS; |
Jaehoon Chung | 46e627c | 2013-07-19 17:44:49 +0900 | [diff] [blame] | 440 | if ((SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300) || |
| 441 | (host->quirks & SDHCI_QUIRK_USE_WIDE8)) |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 442 | ctrl |= SDHCI_CTRL_8BITBUS; |
| 443 | } else { |
Matt Reimer | 9651f59 | 2015-02-19 11:22:53 -0700 | [diff] [blame] | 444 | if ((SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300) || |
| 445 | (host->quirks & SDHCI_QUIRK_USE_WIDE8)) |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 446 | ctrl &= ~SDHCI_CTRL_8BITBUS; |
| 447 | if (mmc->bus_width == 4) |
| 448 | ctrl |= SDHCI_CTRL_4BITBUS; |
| 449 | else |
| 450 | ctrl &= ~SDHCI_CTRL_4BITBUS; |
| 451 | } |
| 452 | |
| 453 | if (mmc->clock > 26000000) |
| 454 | ctrl |= SDHCI_CTRL_HISPD; |
| 455 | else |
| 456 | ctrl &= ~SDHCI_CTRL_HISPD; |
| 457 | |
Jaehoon Chung | 53889ed | 2012-04-23 02:36:26 +0000 | [diff] [blame] | 458 | if (host->quirks & SDHCI_QUIRK_NO_HISPD_BIT) |
| 459 | ctrl &= ~SDHCI_CTRL_HISPD; |
| 460 | |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 461 | sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); |
Jaehoon Chung | b6cd1d3 | 2016-12-30 15:30:16 +0900 | [diff] [blame] | 462 | |
Simon Glass | b97f0fa | 2016-06-12 23:30:28 -0600 | [diff] [blame] | 463 | return 0; |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 464 | } |
| 465 | |
Jeroen Hofstee | ee54c7b | 2014-10-08 22:57:43 +0200 | [diff] [blame] | 466 | static int sdhci_init(struct mmc *mmc) |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 467 | { |
Pantelis Antoniou | 2c85046 | 2014-03-11 19:34:20 +0200 | [diff] [blame] | 468 | struct sdhci_host *host = mmc->priv; |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 469 | |
Masahiro Yamada | ea04d90 | 2016-08-25 16:07:34 +0900 | [diff] [blame] | 470 | sdhci_reset(host, SDHCI_RESET_ALL); |
| 471 | |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 472 | if ((host->quirks & SDHCI_QUIRK_32BIT_DMA_ADDR) && !aligned_buffer) { |
| 473 | aligned_buffer = memalign(8, 512*1024); |
| 474 | if (!aligned_buffer) { |
Darwin Rambo | 4355813 | 2013-12-19 15:13:25 -0800 | [diff] [blame] | 475 | printf("%s: Aligned buffer alloc failed!!!\n", |
| 476 | __func__); |
Jaehoon Chung | fc6c1c6 | 2016-09-26 08:10:02 +0900 | [diff] [blame] | 477 | return -ENOMEM; |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 478 | } |
| 479 | } |
| 480 | |
Pantelis Antoniou | 2c85046 | 2014-03-11 19:34:20 +0200 | [diff] [blame] | 481 | sdhci_set_power(host, fls(mmc->cfg->voltages) - 1); |
Joe Hershberger | 456f34a | 2012-08-17 10:18:55 +0000 | [diff] [blame] | 482 | |
Masahiro Yamada | eeb91ad | 2017-01-13 11:51:51 +0900 | [diff] [blame^] | 483 | if (host->ops && host->ops->get_cd) |
Jaehoon Chung | 730a595 | 2016-12-30 15:30:15 +0900 | [diff] [blame] | 484 | host->ops->get_cd(host); |
Joe Hershberger | 456f34a | 2012-08-17 10:18:55 +0000 | [diff] [blame] | 485 | |
Łukasz Majewski | d56a52a | 2013-01-11 05:08:54 +0000 | [diff] [blame] | 486 | /* Enable only interrupts served by the SD controller */ |
Darwin Rambo | 4355813 | 2013-12-19 15:13:25 -0800 | [diff] [blame] | 487 | sdhci_writel(host, SDHCI_INT_DATA_MASK | SDHCI_INT_CMD_MASK, |
| 488 | SDHCI_INT_ENABLE); |
Łukasz Majewski | d56a52a | 2013-01-11 05:08:54 +0000 | [diff] [blame] | 489 | /* Mask all sdhci interrupt sources */ |
| 490 | sdhci_writel(host, 0x0, SDHCI_SIGNAL_ENABLE); |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 491 | |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 492 | return 0; |
| 493 | } |
| 494 | |
Simon Glass | b97f0fa | 2016-06-12 23:30:28 -0600 | [diff] [blame] | 495 | #ifdef CONFIG_DM_MMC_OPS |
| 496 | int sdhci_probe(struct udevice *dev) |
| 497 | { |
| 498 | struct mmc *mmc = mmc_get_mmc_dev(dev); |
| 499 | |
| 500 | return sdhci_init(mmc); |
| 501 | } |
Pantelis Antoniou | c9e7591 | 2014-02-26 19:28:45 +0200 | [diff] [blame] | 502 | |
Simon Glass | b97f0fa | 2016-06-12 23:30:28 -0600 | [diff] [blame] | 503 | const struct dm_mmc_ops sdhci_ops = { |
| 504 | .send_cmd = sdhci_send_command, |
| 505 | .set_ios = sdhci_set_ios, |
| 506 | }; |
| 507 | #else |
Pantelis Antoniou | c9e7591 | 2014-02-26 19:28:45 +0200 | [diff] [blame] | 508 | static const struct mmc_ops sdhci_ops = { |
| 509 | .send_cmd = sdhci_send_command, |
| 510 | .set_ios = sdhci_set_ios, |
| 511 | .init = sdhci_init, |
| 512 | }; |
Simon Glass | b97f0fa | 2016-06-12 23:30:28 -0600 | [diff] [blame] | 513 | #endif |
Pantelis Antoniou | c9e7591 | 2014-02-26 19:28:45 +0200 | [diff] [blame] | 514 | |
Jaehoon Chung | 8a5ffbb | 2016-07-26 19:06:24 +0900 | [diff] [blame] | 515 | int sdhci_setup_cfg(struct mmc_config *cfg, struct sdhci_host *host, |
| 516 | u32 max_clk, u32 min_clk) |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 517 | { |
Wenyou Yang | 3d73404 | 2016-09-18 09:01:22 +0800 | [diff] [blame] | 518 | u32 caps, caps_1; |
Jaehoon Chung | 8a5ffbb | 2016-07-26 19:06:24 +0900 | [diff] [blame] | 519 | |
| 520 | caps = sdhci_readl(host, SDHCI_CAPABILITIES); |
Masahiro Yamada | 27bfb71 | 2016-08-25 16:07:37 +0900 | [diff] [blame] | 521 | |
Masahiro Yamada | 124f6ce | 2016-12-07 22:10:29 +0900 | [diff] [blame] | 522 | #ifdef CONFIG_MMC_SDHCI_SDMA |
Masahiro Yamada | 27bfb71 | 2016-08-25 16:07:37 +0900 | [diff] [blame] | 523 | if (!(caps & SDHCI_CAN_DO_SDMA)) { |
| 524 | printf("%s: Your controller doesn't support SDMA!!\n", |
| 525 | __func__); |
| 526 | return -EINVAL; |
| 527 | } |
| 528 | #endif |
Jaehoon Chung | 6c5b359 | 2016-09-26 08:10:01 +0900 | [diff] [blame] | 529 | if (host->quirks & SDHCI_QUIRK_REG32_RW) |
| 530 | host->version = |
| 531 | sdhci_readl(host, SDHCI_HOST_VERSION - 2) >> 16; |
| 532 | else |
| 533 | host->version = sdhci_readw(host, SDHCI_HOST_VERSION); |
Jaehoon Chung | 8a5ffbb | 2016-07-26 19:06:24 +0900 | [diff] [blame] | 534 | |
| 535 | cfg->name = host->name; |
Simon Glass | b084207 | 2016-06-12 23:30:27 -0600 | [diff] [blame] | 536 | #ifndef CONFIG_DM_MMC_OPS |
| 537 | cfg->ops = &sdhci_ops; |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 538 | #endif |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 539 | if (max_clk) |
Simon Glass | b084207 | 2016-06-12 23:30:27 -0600 | [diff] [blame] | 540 | cfg->f_max = max_clk; |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 541 | else { |
Jaehoon Chung | 8a5ffbb | 2016-07-26 19:06:24 +0900 | [diff] [blame] | 542 | if (SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300) |
Simon Glass | b084207 | 2016-06-12 23:30:27 -0600 | [diff] [blame] | 543 | cfg->f_max = (caps & SDHCI_CLOCK_V3_BASE_MASK) >> |
| 544 | SDHCI_CLOCK_BASE_SHIFT; |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 545 | else |
Simon Glass | b084207 | 2016-06-12 23:30:27 -0600 | [diff] [blame] | 546 | cfg->f_max = (caps & SDHCI_CLOCK_BASE_MASK) >> |
| 547 | SDHCI_CLOCK_BASE_SHIFT; |
| 548 | cfg->f_max *= 1000000; |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 549 | } |
Masahiro Yamada | da957dd | 2016-08-25 16:07:35 +0900 | [diff] [blame] | 550 | if (cfg->f_max == 0) { |
| 551 | printf("%s: Hardware doesn't specify base clock frequency\n", |
| 552 | __func__); |
Simon Glass | b084207 | 2016-06-12 23:30:27 -0600 | [diff] [blame] | 553 | return -EINVAL; |
Masahiro Yamada | da957dd | 2016-08-25 16:07:35 +0900 | [diff] [blame] | 554 | } |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 555 | if (min_clk) |
Simon Glass | b084207 | 2016-06-12 23:30:27 -0600 | [diff] [blame] | 556 | cfg->f_min = min_clk; |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 557 | else { |
Jaehoon Chung | 8a5ffbb | 2016-07-26 19:06:24 +0900 | [diff] [blame] | 558 | if (SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300) |
Simon Glass | b084207 | 2016-06-12 23:30:27 -0600 | [diff] [blame] | 559 | cfg->f_min = cfg->f_max / SDHCI_MAX_DIV_SPEC_300; |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 560 | else |
Simon Glass | b084207 | 2016-06-12 23:30:27 -0600 | [diff] [blame] | 561 | cfg->f_min = cfg->f_max / SDHCI_MAX_DIV_SPEC_200; |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 562 | } |
Simon Glass | b084207 | 2016-06-12 23:30:27 -0600 | [diff] [blame] | 563 | cfg->voltages = 0; |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 564 | if (caps & SDHCI_CAN_VDD_330) |
Simon Glass | b084207 | 2016-06-12 23:30:27 -0600 | [diff] [blame] | 565 | cfg->voltages |= MMC_VDD_32_33 | MMC_VDD_33_34; |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 566 | if (caps & SDHCI_CAN_VDD_300) |
Simon Glass | b084207 | 2016-06-12 23:30:27 -0600 | [diff] [blame] | 567 | cfg->voltages |= MMC_VDD_29_30 | MMC_VDD_30_31; |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 568 | if (caps & SDHCI_CAN_VDD_180) |
Simon Glass | b084207 | 2016-06-12 23:30:27 -0600 | [diff] [blame] | 569 | cfg->voltages |= MMC_VDD_165_195; |
Jaehoon Chung | 53889ed | 2012-04-23 02:36:26 +0000 | [diff] [blame] | 570 | |
Masahiro Yamada | 4b33877 | 2016-08-25 16:07:36 +0900 | [diff] [blame] | 571 | if (host->quirks & SDHCI_QUIRK_BROKEN_VOLTAGE) |
| 572 | cfg->voltages |= host->voltages; |
| 573 | |
Simon Glass | b084207 | 2016-06-12 23:30:27 -0600 | [diff] [blame] | 574 | cfg->host_caps = MMC_MODE_HS | MMC_MODE_HS_52MHz | MMC_MODE_4BIT; |
Jaehoon Chung | bc00a54 | 2016-12-30 15:30:21 +0900 | [diff] [blame] | 575 | |
| 576 | /* Since Host Controller Version3.0 */ |
Jaehoon Chung | 8a5ffbb | 2016-07-26 19:06:24 +0900 | [diff] [blame] | 577 | if (SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300) { |
Jaehoon Chung | 665152e | 2016-12-30 15:30:11 +0900 | [diff] [blame] | 578 | if (!(caps & SDHCI_CAN_DO_8BIT)) |
| 579 | cfg->host_caps &= ~MMC_MODE_8BIT; |
Jaehoon Chung | bc00a54 | 2016-12-30 15:30:21 +0900 | [diff] [blame] | 580 | |
| 581 | /* Find out whether clock multiplier is supported */ |
| 582 | caps_1 = sdhci_readl(host, SDHCI_CAPABILITIES_1); |
| 583 | host->clk_mul = (caps_1 & SDHCI_CLOCK_MUL_MASK) >> |
| 584 | SDHCI_CLOCK_MUL_SHIFT; |
Jagannadha Sutradharudu Teki | 08706be | 2013-05-21 15:01:36 +0530 | [diff] [blame] | 585 | } |
Siva Durga Prasad Paladugu | b0fbb49 | 2016-01-12 15:12:15 +0530 | [diff] [blame] | 586 | |
Jaehoon Chung | 8a5ffbb | 2016-07-26 19:06:24 +0900 | [diff] [blame] | 587 | if (host->host_caps) |
| 588 | cfg->host_caps |= host->host_caps; |
Pantelis Antoniou | 2c85046 | 2014-03-11 19:34:20 +0200 | [diff] [blame] | 589 | |
Simon Glass | b084207 | 2016-06-12 23:30:27 -0600 | [diff] [blame] | 590 | cfg->b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT; |
| 591 | |
| 592 | return 0; |
| 593 | } |
| 594 | |
Simon Glass | b97f0fa | 2016-06-12 23:30:28 -0600 | [diff] [blame] | 595 | #ifdef CONFIG_BLK |
| 596 | int sdhci_bind(struct udevice *dev, struct mmc *mmc, struct mmc_config *cfg) |
| 597 | { |
| 598 | return mmc_bind(dev, mmc, cfg); |
| 599 | } |
| 600 | #else |
Simon Glass | b084207 | 2016-06-12 23:30:27 -0600 | [diff] [blame] | 601 | int add_sdhci(struct sdhci_host *host, u32 max_clk, u32 min_clk) |
| 602 | { |
Masahiro Yamada | da957dd | 2016-08-25 16:07:35 +0900 | [diff] [blame] | 603 | int ret; |
| 604 | |
Masahiro Yamada | da957dd | 2016-08-25 16:07:35 +0900 | [diff] [blame] | 605 | ret = sdhci_setup_cfg(&host->cfg, host, max_clk, min_clk); |
| 606 | if (ret) |
| 607 | return ret; |
Simon Glass | b084207 | 2016-06-12 23:30:27 -0600 | [diff] [blame] | 608 | |
Pantelis Antoniou | 2c85046 | 2014-03-11 19:34:20 +0200 | [diff] [blame] | 609 | host->mmc = mmc_create(&host->cfg, host); |
| 610 | if (host->mmc == NULL) { |
| 611 | printf("%s: mmc create fail!\n", __func__); |
Jaehoon Chung | fc6c1c6 | 2016-09-26 08:10:02 +0900 | [diff] [blame] | 612 | return -ENOMEM; |
Pantelis Antoniou | 2c85046 | 2014-03-11 19:34:20 +0200 | [diff] [blame] | 613 | } |
Lei Wen | 142c8f9 | 2011-06-28 21:50:06 +0000 | [diff] [blame] | 614 | |
| 615 | return 0; |
| 616 | } |
Simon Glass | b97f0fa | 2016-06-12 23:30:28 -0600 | [diff] [blame] | 617 | #endif |