configs: ax25-ae350: Support cfi flash

Enable cfi flash driver and setup flash
parameters to support parallel nor flash
which type is JS28F00A-M29EWH.

Verification:
Size detection, data read, erase and write are all ok.

Signed-off-by: Rick Chen <rick@andestech.com>
Signed-off-by: Rick Chen <rickchen36@gmail.com>
Cc: Greentime Hu <green.hu@gmail.com>

configs/ax25-ae350_defconfig

@@ -4,8 +4,10 @@ CONFIG_DEFAULT_DEVICE_TREE="ae350"
 CONFIG_TARGET_AX25_AE350=y
 CONFIG_FIT=y
 CONFIG_BOOTDELAY=3
+CONFIG_BOARD_EARLY_INIT_F=y
 # CONFIG_AUTO_COMPLETE is not set
 CONFIG_SYS_PROMPT="RISC-V # "
+CONFIG_CMD_IMLS=y
 CONFIG_CMD_MMC=y
 CONFIG_CMD_SF=y
 CONFIG_CMD_SF_TEST=y
@@ -25,6 +27,9 @@ CONFIG_MMC=y
 CONFIG_DM_MMC=y
 CONFIG_FTSDC010=y
 CONFIG_FTSDC010_SDIO=y
+CONFIG_MTD=y
+CONFIG_MTD_NOR_FLASH=y
+CONFIG_CFI_FLASH=y
 CONFIG_DM_SPI_FLASH=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_MACRONIX=y

include/configs/ax25-ae350.h

@@ -79,6 +79,44 @@
 #define CONFIG_SYS_MEMTEST_START	PHYS_SDRAM_0
 #define CONFIG_SYS_MEMTEST_END		(PHYS_SDRAM_0 + PHYS_SDRAM_0_SIZE)
 
+/*
+ * FLASH and environment organization
+ */
+
+/* use CFI framework */
+#define CONFIG_SYS_FLASH_CFI
+#define CONFIG_FLASH_CFI_DRIVER
+
+#define CONFIG_SYS_FLASH_CFI_WIDTH	FLASH_CFI_16BIT
+#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
+#define CONFIG_SYS_CFI_FLASH_STATUS_POLL
+
+/* support JEDEC */
+#ifdef CONFIG_CFI_FLASH
+#define CONFIG_SYS_MAX_FLASH_BANKS_DETECT	1
+#endif/* Do not use CONFIG_FLASH_CFI_LEGACY to detect on board flash */
+#define PHYS_FLASH_1			0x88000000	/* BANK 0 */
+#define CONFIG_SYS_FLASH_BASE		PHYS_FLASH_1
+#define CONFIG_SYS_FLASH_BANKS_LIST	{ PHYS_FLASH_1, }
+#define CONFIG_SYS_MONITOR_BASE		PHYS_FLASH_1
+
+#define CONFIG_SYS_FLASH_ERASE_TOUT	120000	/* TO for Flash Erase (ms) */
+#define CONFIG_SYS_FLASH_WRITE_TOUT	500	/* TO for Flash Write (ms) */
+
+/* max number of memory banks */
+/*
+ * There are 4 banks supported for this Controller,
+ * but we have only 1 bank connected to flash on board
+*/
+#ifndef CONFIG_SYS_MAX_FLASH_BANKS_DETECT
+#define CONFIG_SYS_MAX_FLASH_BANKS	1
+#endif
+#define CONFIG_SYS_FLASH_BANKS_SIZES {0x4000000}
+
+/* max number of sectors on one chip */
+#define CONFIG_FLASH_SECTOR_SIZE	(0x10000*2)
+#define CONFIG_SYS_MAX_FLASH_SECT	512
+
 /* environments */
 #define CONFIG_ENV_SPI_BUS		0
 #define CONFIG_ENV_SPI_CS		0