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https://github.com/AsahiLinux/u-boot
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mmc: mmc_spi: Re-write driver using DM framework
This patch rewrites MMC SPI driver using U-Boot DM framework and get it's working on SiFive Unleashed board. Signed-off-by: Bhargav Shah <bhargavshah1988@gmail.com> Signed-off-by: Anup Patel <anup.patel@wdc.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Tested-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Bhargav Shah
Peng Fan
parent
f49ff79935
commit
05e35d4297
3 changed files with 331 additions and 184 deletions
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@ -46,6 +46,24 @@ config SPL_DM_MMC
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if MMC
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config MMC_SPI
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bool "Support for SPI-based MMC controller"
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depends on DM_MMC && DM_SPI
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help
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This selects SPI-based MMC controllers.
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If you have an MMC controller on a SPI bus, say Y here.
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If unsure, say N.
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config MMC_SPI_CRC_ON
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bool "Support CRC for SPI-based MMC controller"
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depends on MMC_SPI
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default y
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help
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This enables CRC for SPI-based MMC controllers.
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If unsure, say N.
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config ARM_PL180_MMCI
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bool "ARM AMBA Multimedia Card Interface and compatible support"
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depends on DM_MMC && OF_CONTROL
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@ -2,6 +2,8 @@
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* generic mmc spi driver
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*
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* Copyright (C) 2010 Thomas Chou <thomas@wytron.com.tw>
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* Copyright 2019 Bhargav Shah <bhargavshah1988@gmail.com>
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*
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* Licensed under the GPL-2 or later.
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*/
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#include <common.h>
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@ -9,21 +11,23 @@
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#include <malloc.h>
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#include <part.h>
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#include <mmc.h>
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#include <spi.h>
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#include <stdlib.h>
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#include <u-boot/crc.h>
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#include <linux/crc7.h>
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#include <asm/byteorder.h>
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#include <dm.h>
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#include <spi.h>
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/* MMC/SD in SPI mode reports R1 status always */
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#define R1_SPI_IDLE (1 << 0)
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#define R1_SPI_ERASE_RESET (1 << 1)
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#define R1_SPI_ILLEGAL_COMMAND (1 << 2)
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#define R1_SPI_COM_CRC (1 << 3)
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#define R1_SPI_ERASE_SEQ (1 << 4)
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#define R1_SPI_ADDRESS (1 << 5)
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#define R1_SPI_PARAMETER (1 << 6)
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#define R1_SPI_IDLE BIT(0)
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#define R1_SPI_ERASE_RESET BIT(1)
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#define R1_SPI_ILLEGAL_COMMAND BIT(2)
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#define R1_SPI_COM_CRC BIT(3)
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#define R1_SPI_ERASE_SEQ BIT(4)
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#define R1_SPI_ADDRESS BIT(5)
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#define R1_SPI_PARAMETER BIT(6)
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/* R1 bit 7 is always zero, reuse this bit for error */
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#define R1_SPI_ERROR (1 << 7)
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#define R1_SPI_ERROR BIT(7)
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/* Response tokens used to ack each block written: */
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#define SPI_MMC_RESPONSE_CODE(x) ((x) & 0x1f)
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@ -34,28 +38,45 @@
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/* Read and write blocks start with these tokens and end with crc;
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* on error, read tokens act like a subset of R2_SPI_* values.
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*/
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#define SPI_TOKEN_SINGLE 0xfe /* single block r/w, multiblock read */
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#define SPI_TOKEN_MULTI_WRITE 0xfc /* multiblock write */
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#define SPI_TOKEN_STOP_TRAN 0xfd /* terminate multiblock write */
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/* single block write multiblock read */
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#define SPI_TOKEN_SINGLE 0xfe
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/* multiblock write */
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#define SPI_TOKEN_MULTI_WRITE 0xfc
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/* terminate multiblock write */
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#define SPI_TOKEN_STOP_TRAN 0xfd
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/* MMC SPI commands start with a start bit "0" and a transmit bit "1" */
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#define MMC_SPI_CMD(x) (0x40 | (x & 0x3f))
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#define MMC_SPI_CMD(x) (0x40 | (x))
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/* bus capability */
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#define MMC_SPI_VOLTAGE (MMC_VDD_32_33 | MMC_VDD_33_34)
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#define MMC_SPI_MIN_CLOCK 400000 /* 400KHz to meet MMC spec */
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#define MMC_SPI_VOLTAGE (MMC_VDD_32_33 | MMC_VDD_33_34)
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#define MMC_SPI_MIN_CLOCK 400000 /* 400KHz to meet MMC spec */
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#define MMC_SPI_MAX_CLOCK 25000000 /* SD/MMC legacy speed */
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/* timeout value */
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#define CTOUT 8
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#define RTOUT 3000000 /* 1 sec */
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#define WTOUT 3000000 /* 1 sec */
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#define CMD_TIMEOUT 8
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#define READ_TIMEOUT 3000000 /* 1 sec */
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#define WRITE_TIMEOUT 3000000 /* 1 sec */
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static uint mmc_spi_sendcmd(struct mmc *mmc, ushort cmdidx, u32 cmdarg)
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struct mmc_spi_priv {
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struct spi_slave *spi;
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struct mmc_config cfg;
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struct mmc mmc;
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};
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static int mmc_spi_sendcmd(struct udevice *dev,
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ushort cmdidx, u32 cmdarg, u32 resp_type,
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u8 *resp, u32 resp_size,
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bool resp_match, u8 resp_match_value)
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{
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struct spi_slave *spi = mmc->priv;
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u8 cmdo[7];
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u8 r1;
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int i;
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int i, rpos = 0, ret = 0;
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u8 cmdo[7], r;
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debug("%s: cmd%d cmdarg=0x%x resp_type=0x%x "
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"resp_size=%d resp_match=%d resp_match_value=0x%x\n",
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__func__, cmdidx, cmdarg, resp_type,
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resp_size, resp_match, resp_match_value);
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cmdo[0] = 0xff;
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cmdo[1] = MMC_SPI_CMD(cmdidx);
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cmdo[2] = cmdarg >> 24;
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@ -63,37 +84,79 @@ static uint mmc_spi_sendcmd(struct mmc *mmc, ushort cmdidx, u32 cmdarg)
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cmdo[4] = cmdarg >> 8;
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cmdo[5] = cmdarg;
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cmdo[6] = (crc7(0, &cmdo[1], 5) << 1) | 0x01;
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spi_xfer(spi, sizeof(cmdo) * 8, cmdo, NULL, 0);
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for (i = 0; i < CTOUT; i++) {
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spi_xfer(spi, 1 * 8, NULL, &r1, 0);
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if (i && (r1 & 0x80) == 0) /* r1 response */
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break;
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}
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debug("%s:cmd%d resp%d %x\n", __func__, cmdidx, i, r1);
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return r1;
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}
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ret = dm_spi_xfer(dev, sizeof(cmdo) * 8, cmdo, NULL, 0);
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if (ret)
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return ret;
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static uint mmc_spi_readdata(struct mmc *mmc, void *xbuf,
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u32 bcnt, u32 bsize)
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{
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struct spi_slave *spi = mmc->priv;
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u8 *buf = xbuf;
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u8 r1;
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u16 crc;
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int i;
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while (bcnt--) {
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for (i = 0; i < RTOUT; i++) {
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spi_xfer(spi, 1 * 8, NULL, &r1, 0);
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if (r1 != 0xff) /* data token */
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ret = dm_spi_xfer(dev, 1 * 8, NULL, &r, 0);
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if (ret)
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return ret;
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if (!resp || !resp_size)
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return 0;
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debug("%s: cmd%d", __func__, cmdidx);
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if (resp_match) {
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r = ~resp_match_value;
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i = CMD_TIMEOUT;
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while (i--) {
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ret = dm_spi_xfer(dev, 1 * 8, NULL, &r, 0);
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if (ret)
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return ret;
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debug(" resp%d=0x%x", rpos, r);
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rpos++;
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if (r == resp_match_value)
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break;
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}
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debug("%s:tok%d %x\n", __func__, i, r1);
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if (!i && (r != resp_match_value))
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return -ETIMEDOUT;
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}
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for (i = 0; i < resp_size; i++) {
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if (i == 0 && resp_match) {
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resp[i] = resp_match_value;
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continue;
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}
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ret = dm_spi_xfer(dev, 1 * 8, NULL, &r, 0);
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if (ret)
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return ret;
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debug(" resp%d=0x%x", rpos, r);
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rpos++;
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resp[i] = r;
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}
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debug("\n");
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return 0;
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}
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static int mmc_spi_readdata(struct udevice *dev,
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void *xbuf, u32 bcnt, u32 bsize)
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{
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u16 crc;
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u8 *buf = xbuf, r1;
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int i, ret = 0;
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while (bcnt--) {
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for (i = 0; i < READ_TIMEOUT; i++) {
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ret = dm_spi_xfer(dev, 1 * 8, NULL, &r1, 0);
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if (ret)
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return ret;
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if (r1 == SPI_TOKEN_SINGLE)
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break;
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}
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debug("%s: data tok%d 0x%x\n", __func__, i, r1);
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if (r1 == SPI_TOKEN_SINGLE) {
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spi_xfer(spi, bsize * 8, NULL, buf, 0);
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spi_xfer(spi, 2 * 8, NULL, &crc, 0);
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ret = dm_spi_xfer(dev, bsize * 8, NULL, buf, 0);
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if (ret)
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return ret;
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ret = dm_spi_xfer(dev, 2 * 8, NULL, &crc, 0);
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if (ret)
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return ret;
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#ifdef CONFIG_MMC_SPI_CRC_ON
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if (be_to_cpu16(crc16_ccitt(0, buf, bsize)) != crc) {
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debug("%s: CRC error\n", mmc->cfg->name);
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if (be16_to_cpu(crc16_ccitt(0, buf, bsize)) != crc) {
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debug("%s: data crc error\n", __func__);
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r1 = R1_SPI_COM_CRC;
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break;
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}
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@ -105,48 +168,56 @@ static uint mmc_spi_readdata(struct mmc *mmc, void *xbuf,
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}
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buf += bsize;
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}
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return r1;
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if (r1 & R1_SPI_COM_CRC)
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ret = -ECOMM;
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else if (r1) /* other errors */
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ret = -ETIMEDOUT;
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return ret;
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}
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static uint mmc_spi_writedata(struct mmc *mmc, const void *xbuf,
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u32 bcnt, u32 bsize, int multi)
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static int mmc_spi_writedata(struct udevice *dev, const void *xbuf,
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u32 bcnt, u32 bsize, int multi)
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{
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struct spi_slave *spi = mmc->priv;
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const u8 *buf = xbuf;
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u8 r1;
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u8 r1, tok[2];
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u16 crc;
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u8 tok[2];
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int i;
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int i, ret = 0;
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tok[0] = 0xff;
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tok[1] = multi ? SPI_TOKEN_MULTI_WRITE : SPI_TOKEN_SINGLE;
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while (bcnt--) {
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#ifdef CONFIG_MMC_SPI_CRC_ON
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crc = cpu_to_be16(crc16_ccitt(0, (u8 *)buf, bsize));
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#endif
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spi_xfer(spi, 2 * 8, tok, NULL, 0);
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spi_xfer(spi, bsize * 8, buf, NULL, 0);
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spi_xfer(spi, 2 * 8, &crc, NULL, 0);
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for (i = 0; i < CTOUT; i++) {
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spi_xfer(spi, 1 * 8, NULL, &r1, 0);
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dm_spi_xfer(dev, 2 * 8, tok, NULL, 0);
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dm_spi_xfer(dev, bsize * 8, buf, NULL, 0);
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dm_spi_xfer(dev, 2 * 8, &crc, NULL, 0);
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for (i = 0; i < CMD_TIMEOUT; i++) {
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dm_spi_xfer(dev, 1 * 8, NULL, &r1, 0);
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if ((r1 & 0x10) == 0) /* response token */
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break;
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}
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debug("%s:tok%d %x\n", __func__, i, r1);
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debug("%s: data tok%d 0x%x\n", __func__, i, r1);
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if (SPI_MMC_RESPONSE_CODE(r1) == SPI_RESPONSE_ACCEPTED) {
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for (i = 0; i < WTOUT; i++) { /* wait busy */
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spi_xfer(spi, 1 * 8, NULL, &r1, 0);
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debug("%s: data accepted\n", __func__);
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for (i = 0; i < WRITE_TIMEOUT; i++) { /* wait busy */
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dm_spi_xfer(dev, 1 * 8, NULL, &r1, 0);
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if (i && r1 == 0xff) {
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r1 = 0;
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break;
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}
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}
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if (i == WTOUT) {
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debug("%s:wtout %x\n", __func__, r1);
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if (i == WRITE_TIMEOUT) {
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debug("%s: data write timeout 0x%x\n",
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__func__, r1);
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r1 = R1_SPI_ERROR;
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break;
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}
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} else {
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debug("%s: err %x\n", __func__, r1);
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debug("%s: data error 0x%x\n", __func__, r1);
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r1 = R1_SPI_COM_CRC;
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break;
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}
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@ -154,140 +225,204 @@ static uint mmc_spi_writedata(struct mmc *mmc, const void *xbuf,
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}
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if (multi && bcnt == -1) { /* stop multi write */
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tok[1] = SPI_TOKEN_STOP_TRAN;
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spi_xfer(spi, 2 * 8, tok, NULL, 0);
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for (i = 0; i < WTOUT; i++) { /* wait busy */
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spi_xfer(spi, 1 * 8, NULL, &r1, 0);
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dm_spi_xfer(dev, 2 * 8, tok, NULL, 0);
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for (i = 0; i < WRITE_TIMEOUT; i++) { /* wait busy */
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dm_spi_xfer(dev, 1 * 8, NULL, &r1, 0);
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if (i && r1 == 0xff) {
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r1 = 0;
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break;
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}
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}
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if (i == WTOUT) {
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debug("%s:wstop %x\n", __func__, r1);
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if (i == WRITE_TIMEOUT) {
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debug("%s: data write timeout 0x%x\n", __func__, r1);
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r1 = R1_SPI_ERROR;
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}
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}
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return r1;
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}
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static int mmc_spi_request(struct mmc *mmc, struct mmc_cmd *cmd,
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struct mmc_data *data)
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{
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struct spi_slave *spi = mmc->priv;
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u8 r1;
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int i;
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int ret = 0;
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debug("%s:cmd%d %x %x\n", __func__,
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cmd->cmdidx, cmd->resp_type, cmd->cmdarg);
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spi_claim_bus(spi);
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spi_cs_activate(spi);
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r1 = mmc_spi_sendcmd(mmc, cmd->cmdidx, cmd->cmdarg);
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if (r1 == 0xff) { /* no response */
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ret = -ENOMEDIUM;
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goto done;
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} else if (r1 & R1_SPI_COM_CRC) {
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if (r1 & R1_SPI_COM_CRC)
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ret = -ECOMM;
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goto done;
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} else if (r1 & ~R1_SPI_IDLE) { /* other errors */
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else if (r1) /* other errors */
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ret = -ETIMEDOUT;
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goto done;
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} else if (cmd->resp_type == MMC_RSP_R2) {
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r1 = mmc_spi_readdata(mmc, cmd->response, 1, 16);
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for (i = 0; i < 4; i++)
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cmd->response[i] = be32_to_cpu(cmd->response[i]);
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debug("r128 %x %x %x %x\n", cmd->response[0], cmd->response[1],
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cmd->response[2], cmd->response[3]);
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} else if (!data) {
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switch (cmd->cmdidx) {
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case SD_CMD_APP_SEND_OP_COND:
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case MMC_CMD_SEND_OP_COND:
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cmd->response[0] = (r1 & R1_SPI_IDLE) ? 0 : OCR_BUSY;
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break;
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case SD_CMD_SEND_IF_COND:
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case MMC_CMD_SPI_READ_OCR:
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spi_xfer(spi, 4 * 8, NULL, cmd->response, 0);
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cmd->response[0] = be32_to_cpu(cmd->response[0]);
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debug("r32 %x\n", cmd->response[0]);
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break;
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case MMC_CMD_SEND_STATUS:
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spi_xfer(spi, 1 * 8, NULL, cmd->response, 0);
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cmd->response[0] = (cmd->response[0] & 0xff) ?
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MMC_STATUS_ERROR : MMC_STATUS_RDY_FOR_DATA;
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break;
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}
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} else {
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debug("%s:data %x %x %x\n", __func__,
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data->flags, data->blocks, data->blocksize);
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if (data->flags == MMC_DATA_READ)
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r1 = mmc_spi_readdata(mmc, data->dest,
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data->blocks, data->blocksize);
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else if (data->flags == MMC_DATA_WRITE)
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r1 = mmc_spi_writedata(mmc, data->src,
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data->blocks, data->blocksize,
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(cmd->cmdidx == MMC_CMD_WRITE_MULTIPLE_BLOCK));
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if (r1 & R1_SPI_COM_CRC)
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ret = -ECOMM;
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else if (r1) /* other errors */
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ret = -ETIMEDOUT;
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}
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done:
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spi_cs_deactivate(spi);
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spi_release_bus(spi);
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return ret;
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}
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static int mmc_spi_set_ios(struct mmc *mmc)
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static int dm_mmc_spi_set_ios(struct udevice *dev)
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{
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struct spi_slave *spi = mmc->priv;
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debug("%s: clock %u\n", __func__, mmc->clock);
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if (mmc->clock)
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spi_set_speed(spi, mmc->clock);
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return 0;
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}
|
||||
|
||||
static int mmc_spi_init_p(struct mmc *mmc)
|
||||
static int dm_mmc_spi_request(struct udevice *dev, struct mmc_cmd *cmd,
|
||||
struct mmc_data *data)
|
||||
{
|
||||
struct spi_slave *spi = mmc->priv;
|
||||
spi_set_speed(spi, MMC_SPI_MIN_CLOCK);
|
||||
spi_claim_bus(spi);
|
||||
/* cs deactivated for 100+ clock */
|
||||
spi_xfer(spi, 18 * 8, NULL, NULL, 0);
|
||||
spi_release_bus(spi);
|
||||
return 0;
|
||||
}
|
||||
int i, multi, ret = 0;
|
||||
u8 *resp = NULL;
|
||||
u32 resp_size = 0;
|
||||
bool resp_match = false;
|
||||
u8 resp8 = 0, resp40[5] = { 0 }, resp_match_value = 0;
|
||||
|
||||
static const struct mmc_ops mmc_spi_ops = {
|
||||
.send_cmd = mmc_spi_request,
|
||||
.set_ios = mmc_spi_set_ios,
|
||||
.init = mmc_spi_init_p,
|
||||
};
|
||||
dm_spi_claim_bus(dev);
|
||||
|
||||
static struct mmc_config mmc_spi_cfg = {
|
||||
.name = "MMC_SPI",
|
||||
.ops = &mmc_spi_ops,
|
||||
.host_caps = MMC_MODE_SPI,
|
||||
.voltages = MMC_SPI_VOLTAGE,
|
||||
.f_min = MMC_SPI_MIN_CLOCK,
|
||||
.part_type = PART_TYPE_DOS,
|
||||
.b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT,
|
||||
};
|
||||
for (i = 0; i < 4; i++)
|
||||
cmd->response[i] = 0;
|
||||
|
||||
struct mmc *mmc_spi_init(uint bus, uint cs, uint speed, uint mode)
|
||||
{
|
||||
struct mmc *mmc;
|
||||
struct spi_slave *spi;
|
||||
switch (cmd->cmdidx) {
|
||||
case SD_CMD_APP_SEND_OP_COND:
|
||||
case MMC_CMD_SEND_OP_COND:
|
||||
resp = &resp8;
|
||||
resp_size = sizeof(resp8);
|
||||
cmd->cmdarg = 0x40000000;
|
||||
break;
|
||||
case SD_CMD_SEND_IF_COND:
|
||||
resp = (u8 *)&resp40[0];
|
||||
resp_size = sizeof(resp40);
|
||||
resp_match = true;
|
||||
resp_match_value = R1_SPI_IDLE;
|
||||
break;
|
||||
case MMC_CMD_SPI_READ_OCR:
|
||||
resp = (u8 *)&resp40[0];
|
||||
resp_size = sizeof(resp40);
|
||||
break;
|
||||
case MMC_CMD_SEND_STATUS:
|
||||
case MMC_CMD_SET_BLOCKLEN:
|
||||
case MMC_CMD_SPI_CRC_ON_OFF:
|
||||
case MMC_CMD_STOP_TRANSMISSION:
|
||||
resp = &resp8;
|
||||
resp_size = sizeof(resp8);
|
||||
resp_match = true;
|
||||
resp_match_value = 0x0;
|
||||
break;
|
||||
case MMC_CMD_SEND_CSD:
|
||||
case MMC_CMD_SEND_CID:
|
||||
case MMC_CMD_READ_SINGLE_BLOCK:
|
||||
case MMC_CMD_READ_MULTIPLE_BLOCK:
|
||||
case MMC_CMD_WRITE_SINGLE_BLOCK:
|
||||
case MMC_CMD_WRITE_MULTIPLE_BLOCK:
|
||||
break;
|
||||
default:
|
||||
resp = &resp8;
|
||||
resp_size = sizeof(resp8);
|
||||
resp_match = true;
|
||||
resp_match_value = R1_SPI_IDLE;
|
||||
break;
|
||||
};
|
||||
|
||||
spi = spi_setup_slave(bus, cs, speed, mode);
|
||||
if (spi == NULL)
|
||||
return NULL;
|
||||
ret = mmc_spi_sendcmd(dev, cmd->cmdidx, cmd->cmdarg, cmd->resp_type,
|
||||
resp, resp_size, resp_match, resp_match_value);
|
||||
if (ret)
|
||||
goto done;
|
||||
|
||||
mmc_spi_cfg.f_max = speed;
|
||||
|
||||
mmc = mmc_create(&mmc_spi_cfg, spi);
|
||||
if (mmc == NULL) {
|
||||
spi_free_slave(spi);
|
||||
return NULL;
|
||||
switch (cmd->cmdidx) {
|
||||
case SD_CMD_APP_SEND_OP_COND:
|
||||
case MMC_CMD_SEND_OP_COND:
|
||||
cmd->response[0] = (resp8 & R1_SPI_IDLE) ? 0 : OCR_BUSY;
|
||||
break;
|
||||
case SD_CMD_SEND_IF_COND:
|
||||
case MMC_CMD_SPI_READ_OCR:
|
||||
cmd->response[0] = resp40[4];
|
||||
cmd->response[0] |= (uint)resp40[3] << 8;
|
||||
cmd->response[0] |= (uint)resp40[2] << 16;
|
||||
cmd->response[0] |= (uint)resp40[1] << 24;
|
||||
break;
|
||||
case MMC_CMD_SEND_STATUS:
|
||||
cmd->response[0] = (resp8 & 0xff) ?
|
||||
MMC_STATUS_ERROR : MMC_STATUS_RDY_FOR_DATA;
|
||||
break;
|
||||
case MMC_CMD_SEND_CID:
|
||||
case MMC_CMD_SEND_CSD:
|
||||
ret = mmc_spi_readdata(dev, cmd->response, 1, 16);
|
||||
if (ret)
|
||||
return ret;
|
||||
for (i = 0; i < 4; i++)
|
||||
cmd->response[i] =
|
||||
cpu_to_be32(cmd->response[i]);
|
||||
break;
|
||||
default:
|
||||
cmd->response[0] = resp8;
|
||||
break;
|
||||
}
|
||||
return mmc;
|
||||
|
||||
debug("%s: cmd%d resp0=0x%x resp1=0x%x resp2=0x%x resp3=0x%x\n",
|
||||
__func__, cmd->cmdidx, cmd->response[0], cmd->response[1],
|
||||
cmd->response[2], cmd->response[3]);
|
||||
|
||||
if (data) {
|
||||
debug("%s: data flags=0x%x blocks=%d block_size=%d\n",
|
||||
__func__, data->flags, data->blocks, data->blocksize);
|
||||
multi = (cmd->cmdidx == MMC_CMD_WRITE_MULTIPLE_BLOCK);
|
||||
if (data->flags == MMC_DATA_READ)
|
||||
ret = mmc_spi_readdata(dev, data->dest,
|
||||
data->blocks, data->blocksize);
|
||||
else if (data->flags == MMC_DATA_WRITE)
|
||||
ret = mmc_spi_writedata(dev, data->src,
|
||||
data->blocks, data->blocksize,
|
||||
multi);
|
||||
}
|
||||
|
||||
done:
|
||||
dm_spi_release_bus(dev);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int mmc_spi_probe(struct udevice *dev)
|
||||
{
|
||||
struct mmc_spi_priv *priv = dev_get_priv(dev);
|
||||
struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
|
||||
char *name;
|
||||
|
||||
priv->spi = dev_get_parent_priv(dev);
|
||||
if (!priv->spi->max_hz)
|
||||
priv->spi->max_hz = MMC_SPI_MAX_CLOCK;
|
||||
priv->spi->speed = 0;
|
||||
priv->spi->mode = SPI_MODE_0;
|
||||
priv->spi->wordlen = 8;
|
||||
|
||||
name = malloc(strlen(dev->parent->name) + strlen(dev->name) + 4);
|
||||
if (!name)
|
||||
return -ENOMEM;
|
||||
sprintf(name, "%s:%s", dev->parent->name, dev->name);
|
||||
|
||||
priv->cfg.name = name;
|
||||
priv->cfg.host_caps = MMC_MODE_SPI;
|
||||
priv->cfg.voltages = MMC_SPI_VOLTAGE;
|
||||
priv->cfg.f_min = MMC_SPI_MIN_CLOCK;
|
||||
priv->cfg.f_max = priv->spi->max_hz;
|
||||
priv->cfg.part_type = PART_TYPE_DOS;
|
||||
priv->cfg.b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;
|
||||
|
||||
priv->mmc.cfg = &priv->cfg;
|
||||
priv->mmc.priv = priv;
|
||||
priv->mmc.dev = dev;
|
||||
|
||||
upriv->mmc = &priv->mmc;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int mmc_spi_bind(struct udevice *dev)
|
||||
{
|
||||
struct mmc_spi_priv *priv = dev_get_priv(dev);
|
||||
|
||||
return mmc_bind(dev, &priv->mmc, &priv->cfg);
|
||||
}
|
||||
|
||||
static const struct dm_mmc_ops mmc_spi_ops = {
|
||||
.send_cmd = dm_mmc_spi_request,
|
||||
.set_ios = dm_mmc_spi_set_ios,
|
||||
};
|
||||
|
||||
static const struct udevice_id dm_mmc_spi_match[] = {
|
||||
{ .compatible = "mmc-spi-slot" },
|
||||
{ /* sentinel */ }
|
||||
};
|
||||
|
||||
U_BOOT_DRIVER(mmc_spi) = {
|
||||
.name = "mmc_spi",
|
||||
.id = UCLASS_MMC,
|
||||
.of_match = dm_mmc_spi_match,
|
||||
.ops = &mmc_spi_ops,
|
||||
.probe = mmc_spi_probe,
|
||||
.bind = mmc_spi_bind,
|
||||
.priv_auto_alloc_size = sizeof(struct mmc_spi_priv),
|
||||
};
|
||||
|
|
|
|||
|
|
@ -1165,12 +1165,6 @@ CONFIG_MMCBOOTCOMMAND
|
|||
CONFIG_MMCROOT
|
||||
CONFIG_MMC_DEFAULT_DEV
|
||||
CONFIG_MMC_RPMB_TRACE
|
||||
CONFIG_MMC_SPI
|
||||
CONFIG_MMC_SPI_BUS
|
||||
CONFIG_MMC_SPI_CRC_ON
|
||||
CONFIG_MMC_SPI_CS
|
||||
CONFIG_MMC_SPI_MODE
|
||||
CONFIG_MMC_SPI_SPEED
|
||||
CONFIG_MMC_SUNXI_SLOT
|
||||
CONFIG_MMU
|
||||
CONFIG_MONITOR_IS_IN_RAM
|
||||
|
|
|
|||
Loading…
Reference in a new issue