mtd: st_spi_fsm: Supply the W25Qxxx chip specific configuration call-back
Acked-by Angus Clark <angus.clark@st.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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5343a12345
Коммит
cd7cac9ec3
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@ -341,6 +341,7 @@ struct flash_info {
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static int stfsm_n25q_config(struct stfsm *fsm);
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static int stfsm_mx25_config(struct stfsm *fsm);
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static int stfsm_s25fl_config(struct stfsm *fsm);
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static int stfsm_w25q_config(struct stfsm *fsm);
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static struct flash_info flash_types[] = {
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/*
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@ -446,10 +447,14 @@ static struct flash_info flash_types[] = {
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FLASH_FLAG_READ_1_1_4 | \
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FLASH_FLAG_READ_1_4_4 | \
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FLASH_FLAG_WRITE_1_1_4)
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{ "w25q80", 0xef4014, 0, 64 * 1024, 16, W25Q_FLAG, 80, NULL },
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{ "w25q16", 0xef4015, 0, 64 * 1024, 32, W25Q_FLAG, 80, NULL },
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{ "w25q32", 0xef4016, 0, 64 * 1024, 64, W25Q_FLAG, 80, NULL },
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{ "w25q64", 0xef4017, 0, 64 * 1024, 128, W25Q_FLAG, 80, NULL },
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{ "w25q80", 0xef4014, 0, 64 * 1024, 16, W25Q_FLAG, 80,
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stfsm_w25q_config },
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{ "w25q16", 0xef4015, 0, 64 * 1024, 32, W25Q_FLAG, 80,
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stfsm_w25q_config },
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{ "w25q32", 0xef4016, 0, 64 * 1024, 64, W25Q_FLAG, 80,
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stfsm_w25q_config },
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{ "w25q64", 0xef4017, 0, 64 * 1024, 128, W25Q_FLAG, 80,
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stfsm_w25q_config },
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/* Sentinel */
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{ NULL, 0x000000, 0, 0, 0, 0, 0, NULL },
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@ -577,6 +582,11 @@ static struct seq_rw_config stfsm_s25fl_write4_configs[] = {
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{0x00, 0, 0, 0, 0, 0x00, 0, 0},
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};
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/*
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* [W25Qxxx] Configuration
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*/
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#define W25Q_STATUS_QE (0x1 << 9)
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static struct stfsm_seq stfsm_seq_read; /* Dynamically populated */
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static struct stfsm_seq stfsm_seq_write; /* Dynamically populated */
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static struct stfsm_seq stfsm_seq_en_32bit_addr;/* Dynamically populated */
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@ -1443,6 +1453,35 @@ static int stfsm_s25fl_config(struct stfsm *fsm)
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return 0;
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}
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static int stfsm_w25q_config(struct stfsm *fsm)
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{
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uint32_t data_pads;
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uint16_t sta_wr;
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uint8_t sta1, sta2;
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int ret;
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ret = stfsm_prepare_rwe_seqs_default(fsm);
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if (ret)
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return ret;
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/* If using QUAD mode, set QE STATUS bit */
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data_pads = ((stfsm_seq_read.seq_cfg >> 16) & 0x3) + 1;
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if (data_pads == 4) {
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stfsm_read_status(fsm, FLASH_CMD_RDSR, &sta1);
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stfsm_read_status(fsm, FLASH_CMD_RDSR2, &sta2);
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sta_wr = ((uint16_t)sta2 << 8) | sta1;
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sta_wr |= W25Q_STATUS_QE;
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stfsm_write_status(fsm, sta_wr, 2);
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stfsm_wait_busy(fsm);
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}
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return 0;
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}
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static int stfsm_read(struct stfsm *fsm, uint8_t *buf, uint32_t size,
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uint32_t offset)
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{
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