diff options
Diffstat (limited to 'drivers/spi/cadence_qspi_apb.c')
| -rw-r--r-- | drivers/spi/cadence_qspi_apb.c | 163 |
1 files changed, 11 insertions, 152 deletions
diff --git a/drivers/spi/cadence_qspi_apb.c b/drivers/spi/cadence_qspi_apb.c index 2cdf4c9c9f..c00755050e 100644 --- a/drivers/spi/cadence_qspi_apb.c +++ b/drivers/spi/cadence_qspi_apb.c @@ -38,156 +38,10 @@ #include <malloc.h> #include "cadence_qspi.h" -#define CQSPI_REG_POLL_US 1 /* 1us */ -#define CQSPI_REG_RETRY 10000 -#define CQSPI_POLL_IDLE_RETRY 3 - -/* Transfer mode */ -#define CQSPI_INST_TYPE_SINGLE 0 -#define CQSPI_INST_TYPE_DUAL 1 -#define CQSPI_INST_TYPE_QUAD 2 -#define CQSPI_INST_TYPE_OCTAL 3 - -#define CQSPI_STIG_DATA_LEN_MAX 8 - -#define CQSPI_DUMMY_CLKS_PER_BYTE 8 -#define CQSPI_DUMMY_CLKS_MAX 31 - -/**************************************************************************** - * Controller's configuration and status register (offset from QSPI_BASE) - ****************************************************************************/ -#define CQSPI_REG_CONFIG 0x00 -#define CQSPI_REG_CONFIG_ENABLE BIT(0) -#define CQSPI_REG_CONFIG_CLK_POL BIT(1) -#define CQSPI_REG_CONFIG_CLK_PHA BIT(2) -#define CQSPI_REG_CONFIG_DIRECT BIT(7) -#define CQSPI_REG_CONFIG_DECODE BIT(9) -#define CQSPI_REG_CONFIG_XIP_IMM BIT(18) -#define CQSPI_REG_CONFIG_CHIPSELECT_LSB 10 -#define CQSPI_REG_CONFIG_BAUD_LSB 19 -#define CQSPI_REG_CONFIG_DTR_PROTO BIT(24) -#define CQSPI_REG_CONFIG_DUAL_OPCODE BIT(30) -#define CQSPI_REG_CONFIG_IDLE_LSB 31 -#define CQSPI_REG_CONFIG_CHIPSELECT_MASK 0xF -#define CQSPI_REG_CONFIG_BAUD_MASK 0xF - -#define CQSPI_REG_RD_INSTR 0x04 -#define CQSPI_REG_RD_INSTR_OPCODE_LSB 0 -#define CQSPI_REG_RD_INSTR_TYPE_INSTR_LSB 8 -#define CQSPI_REG_RD_INSTR_TYPE_ADDR_LSB 12 -#define CQSPI_REG_RD_INSTR_TYPE_DATA_LSB 16 -#define CQSPI_REG_RD_INSTR_MODE_EN_LSB 20 -#define CQSPI_REG_RD_INSTR_DUMMY_LSB 24 -#define CQSPI_REG_RD_INSTR_TYPE_INSTR_MASK 0x3 -#define CQSPI_REG_RD_INSTR_TYPE_ADDR_MASK 0x3 -#define CQSPI_REG_RD_INSTR_TYPE_DATA_MASK 0x3 -#define CQSPI_REG_RD_INSTR_DUMMY_MASK 0x1F - -#define CQSPI_REG_WR_INSTR 0x08 -#define CQSPI_REG_WR_INSTR_OPCODE_LSB 0 -#define CQSPI_REG_WR_INSTR_TYPE_ADDR_LSB 12 -#define CQSPI_REG_WR_INSTR_TYPE_DATA_LSB 16 - -#define CQSPI_REG_DELAY 0x0C -#define CQSPI_REG_DELAY_TSLCH_LSB 0 -#define CQSPI_REG_DELAY_TCHSH_LSB 8 -#define CQSPI_REG_DELAY_TSD2D_LSB 16 -#define CQSPI_REG_DELAY_TSHSL_LSB 24 -#define CQSPI_REG_DELAY_TSLCH_MASK 0xFF -#define CQSPI_REG_DELAY_TCHSH_MASK 0xFF -#define CQSPI_REG_DELAY_TSD2D_MASK 0xFF -#define CQSPI_REG_DELAY_TSHSL_MASK 0xFF - -#define CQSPI_REG_RD_DATA_CAPTURE 0x10 -#define CQSPI_REG_RD_DATA_CAPTURE_BYPASS BIT(0) -#define CQSPI_REG_RD_DATA_CAPTURE_DELAY_LSB 1 -#define CQSPI_REG_RD_DATA_CAPTURE_DELAY_MASK 0xF - -#define CQSPI_REG_SIZE 0x14 -#define CQSPI_REG_SIZE_ADDRESS_LSB 0 -#define CQSPI_REG_SIZE_PAGE_LSB 4 -#define CQSPI_REG_SIZE_BLOCK_LSB 16 -#define CQSPI_REG_SIZE_ADDRESS_MASK 0xF -#define CQSPI_REG_SIZE_PAGE_MASK 0xFFF -#define CQSPI_REG_SIZE_BLOCK_MASK 0x3F - -#define CQSPI_REG_SRAMPARTITION 0x18 -#define CQSPI_REG_INDIRECTTRIGGER 0x1C - -#define CQSPI_REG_REMAP 0x24 -#define CQSPI_REG_MODE_BIT 0x28 - -#define CQSPI_REG_SDRAMLEVEL 0x2C -#define CQSPI_REG_SDRAMLEVEL_RD_LSB 0 -#define CQSPI_REG_SDRAMLEVEL_WR_LSB 16 -#define CQSPI_REG_SDRAMLEVEL_RD_MASK 0xFFFF -#define CQSPI_REG_SDRAMLEVEL_WR_MASK 0xFFFF - -#define CQSPI_REG_WR_COMPLETION_CTRL 0x38 -#define CQSPI_REG_WR_DISABLE_AUTO_POLL BIT(14) - -#define CQSPI_REG_IRQSTATUS 0x40 -#define CQSPI_REG_IRQMASK 0x44 - -#define CQSPI_REG_INDIRECTRD 0x60 -#define CQSPI_REG_INDIRECTRD_START BIT(0) -#define CQSPI_REG_INDIRECTRD_CANCEL BIT(1) -#define CQSPI_REG_INDIRECTRD_INPROGRESS BIT(2) -#define CQSPI_REG_INDIRECTRD_DONE BIT(5) - -#define CQSPI_REG_INDIRECTRDWATERMARK 0x64 -#define CQSPI_REG_INDIRECTRDSTARTADDR 0x68 -#define CQSPI_REG_INDIRECTRDBYTES 0x6C - -#define CQSPI_REG_CMDCTRL 0x90 -#define CQSPI_REG_CMDCTRL_EXECUTE BIT(0) -#define CQSPI_REG_CMDCTRL_INPROGRESS BIT(1) -#define CQSPI_REG_CMDCTRL_DUMMY_LSB 7 -#define CQSPI_REG_CMDCTRL_WR_BYTES_LSB 12 -#define CQSPI_REG_CMDCTRL_WR_EN_LSB 15 -#define CQSPI_REG_CMDCTRL_ADD_BYTES_LSB 16 -#define CQSPI_REG_CMDCTRL_ADDR_EN_LSB 19 -#define CQSPI_REG_CMDCTRL_RD_BYTES_LSB 20 -#define CQSPI_REG_CMDCTRL_RD_EN_LSB 23 -#define CQSPI_REG_CMDCTRL_OPCODE_LSB 24 -#define CQSPI_REG_CMDCTRL_DUMMY_MASK 0x1F -#define CQSPI_REG_CMDCTRL_WR_BYTES_MASK 0x7 -#define CQSPI_REG_CMDCTRL_ADD_BYTES_MASK 0x3 -#define CQSPI_REG_CMDCTRL_RD_BYTES_MASK 0x7 -#define CQSPI_REG_CMDCTRL_OPCODE_MASK 0xFF - -#define CQSPI_REG_INDIRECTWR 0x70 -#define CQSPI_REG_INDIRECTWR_START BIT(0) -#define CQSPI_REG_INDIRECTWR_CANCEL BIT(1) -#define CQSPI_REG_INDIRECTWR_INPROGRESS BIT(2) -#define CQSPI_REG_INDIRECTWR_DONE BIT(5) - -#define CQSPI_REG_INDIRECTWRWATERMARK 0x74 -#define CQSPI_REG_INDIRECTWRSTARTADDR 0x78 -#define CQSPI_REG_INDIRECTWRBYTES 0x7C - -#define CQSPI_REG_CMDADDRESS 0x94 -#define CQSPI_REG_CMDREADDATALOWER 0xA0 -#define CQSPI_REG_CMDREADDATAUPPER 0xA4 -#define CQSPI_REG_CMDWRITEDATALOWER 0xA8 -#define CQSPI_REG_CMDWRITEDATAUPPER 0xAC - -#define CQSPI_REG_OP_EXT_LOWER 0xE0 -#define CQSPI_REG_OP_EXT_READ_LSB 24 -#define CQSPI_REG_OP_EXT_WRITE_LSB 16 -#define CQSPI_REG_OP_EXT_STIG_LSB 0 - -#define CQSPI_REG_IS_IDLE(base) \ - ((readl(base + CQSPI_REG_CONFIG) >> \ - CQSPI_REG_CONFIG_IDLE_LSB) & 0x1) - -#define CQSPI_GET_RD_SRAM_LEVEL(reg_base) \ - (((readl(reg_base + CQSPI_REG_SDRAMLEVEL)) >> \ - CQSPI_REG_SDRAMLEVEL_RD_LSB) & CQSPI_REG_SDRAMLEVEL_RD_MASK) - -#define CQSPI_GET_WR_SRAM_LEVEL(reg_base) \ - (((readl(reg_base + CQSPI_REG_SDRAMLEVEL)) >> \ - CQSPI_REG_SDRAMLEVEL_WR_LSB) & CQSPI_REG_SDRAMLEVEL_WR_MASK) +__weak void cadence_qspi_apb_enable_linear_mode(bool enable) +{ + return; +} void cadence_qspi_apb_controller_enable(void *reg_base) { @@ -487,8 +341,7 @@ void cadence_qspi_apb_controller_init(struct cadence_spi_plat *plat) cadence_qspi_apb_controller_enable(plat->regbase); } -static int cadence_qspi_apb_exec_flash_cmd(void *reg_base, - unsigned int reg) +int cadence_qspi_apb_exec_flash_cmd(void *reg_base, unsigned int reg) { unsigned int retry = CQSPI_REG_RETRY; @@ -882,6 +735,9 @@ int cadence_qspi_apb_read_execute(struct cadence_spi_plat *plat, void *buf = op->data.buf.in; size_t len = op->data.nbytes; + if (CONFIG_IS_ENABLED(ARCH_VERSAL)) + cadence_qspi_apb_enable_linear_mode(true); + if (plat->use_dac_mode && (from + len < plat->ahbsize)) { if (len < 256 || dma_memcpy(buf, plat->ahbbase + from, len) < 0) { @@ -1049,6 +905,9 @@ int cadence_qspi_apb_write_execute(struct cadence_spi_plat *plat, const void *buf = op->data.buf.out; size_t len = op->data.nbytes; + if (CONFIG_IS_ENABLED(ARCH_VERSAL)) + cadence_qspi_apb_enable_linear_mode(true); + /* * Some flashes like the Cypress Semper flash expect a dummy 4-byte * address (all 0s) with the read status register command in DTR mode. |