mtd: st_spi_fsm: Provide the default read/write configurations

[firefly-linux-kernel-4.4.55.git] / drivers / mtd / devices / st_spi_fsm.c

diff --git a/drivers/mtd/devices/st_spi_fsm.c b/drivers/mtd/devices/st_spi_fsm.c
index 5683443e7261672d82242b454a89bf4b6b23deca..03b49a44970db5850f5d6d7b418cbef4543a142c 100644 (file)
--- a/drivers/mtd/devices/st_spi_fsm.c
+++ b/drivers/mtd/devices/st_spi_fsm.c
@@ -375,6 +375,33 @@ static struct flash_info flash_types[] = {
        { NULL, 0x000000, 0, 0, 0, 0, 0, NULL },
 };
 
+/*
+ * FSM message sequence configurations:
+ *
+ * All configs are presented in order of preference
+ */
+
+/* Default READ configurations, in order of preference */
+static struct seq_rw_config default_read_configs[] = {
+       {FLASH_FLAG_READ_1_4_4, FLASH_CMD_READ_1_4_4,   0, 4, 4, 0x00, 2, 4},
+       {FLASH_FLAG_READ_1_1_4, FLASH_CMD_READ_1_1_4,   0, 1, 4, 0x00, 4, 0},
+       {FLASH_FLAG_READ_1_2_2, FLASH_CMD_READ_1_2_2,   0, 2, 2, 0x00, 4, 0},
+       {FLASH_FLAG_READ_1_1_2, FLASH_CMD_READ_1_1_2,   0, 1, 2, 0x00, 0, 8},
+       {FLASH_FLAG_READ_FAST,  FLASH_CMD_READ_FAST,    0, 1, 1, 0x00, 0, 8},
+       {FLASH_FLAG_READ_WRITE, FLASH_CMD_READ,         0, 1, 1, 0x00, 0, 0},
+       {0x00,                  0,                      0, 0, 0, 0x00, 0, 0},
+};
+
+/* Default WRITE configurations */
+static struct seq_rw_config default_write_configs[] = {
+       {FLASH_FLAG_WRITE_1_4_4, FLASH_CMD_WRITE_1_4_4, 1, 4, 4, 0x00, 0, 0},
+       {FLASH_FLAG_WRITE_1_1_4, FLASH_CMD_WRITE_1_1_4, 1, 1, 4, 0x00, 0, 0},
+       {FLASH_FLAG_WRITE_1_2_2, FLASH_CMD_WRITE_1_2_2, 1, 2, 2, 0x00, 0, 0},
+       {FLASH_FLAG_WRITE_1_1_2, FLASH_CMD_WRITE_1_1_2, 1, 1, 2, 0x00, 0, 0},
+       {FLASH_FLAG_READ_WRITE,  FLASH_CMD_WRITE,       1, 1, 1, 0x00, 0, 0},
+       {0x00,                   0,                     0, 0, 0, 0x00, 0, 0},
+};
+
 static struct stfsm_seq stfsm_seq_en_32bit_addr;/* Dynamically populated */
 
 static struct stfsm_seq stfsm_seq_read_jedec = {