nds32: board: Support SPI driver.

Add spi dts node and enable spi dm flash config.

Signed-off-by: rick <rick@andestech.com>

diff --git a/arch/nds32/dts/ae3xx.dts b/arch/nds32/dts/ae3xx.dts
index 4221e4bf9ac01b660af1406a9b69bda82a99a079..fbe6d7443710ff1f9842857eae8995bd2e50813a 100644 (file)
--- a/arch/nds32/dts/ae3xx.dts
+++ b/arch/nds32/dts/ae3xx.dts
@@ -8,6 +8,7 @@
        aliases {
                uart0 = &serial0;
                ethernet0 = &mac0;
+               spi0 = &spi;
        } ;
 
        chosen {
@@ -22,6 +23,12 @@
                reg = <0x00000000 0x40000000>;
        };
 
+       spiclk: virt_100mhz {
+               #clock-cells = <0>;
+               compatible = "fixed-clock";
+               clock-frequency = <100000000>;
+       };
+
        cpus {
                #address-cells = <1>;
                #size-cells = <0>;
@@ -69,4 +76,20 @@
                device-width = <1>;
        };
 
+       spi: spi@f0b00000 {
+               compatible = "andestech,atcspi200";
+               reg = <0xf0b00000 0x1000>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+               num-cs = <1>;
+               clocks = <&spiclk>;
+               interrupts = <3 4>;
+                       flash@0 {
+                       compatible = "spi-flash";
+                       spi-max-frequency = <50000000>;
+                       reg = <0>;
+                       spi-cpol;
+                       spi-cpha;
+               };
+       };
 };

diff --git a/configs/adp-ae3xx_defconfig b/configs/adp-ae3xx_defconfig
index 9e1e5ecb47ae30ec455bb57b51cb7c86be8b6178..c1053958c47660c0f613b7e723fe9a53184bda5a 100644 (file)
--- a/configs/adp-ae3xx_defconfig
+++ b/configs/adp-ae3xx_defconfig
@@ -5,6 +5,8 @@ CONFIG_FIT=y
 CONFIG_BOOTDELAY=3
 CONFIG_SYS_PROMPT="NDS32 # "
 CONFIG_CMD_MMC=y
+CONFIG_CMD_SF=y
+CONFIG_CMD_SF_TEST=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_PING=y
@@ -13,17 +15,23 @@ CONFIG_CMD_DATE=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_OF_CONTROL=y
-CONFIG_ENV_IS_IN_FLASH=y
+CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_DM=y
+CONFIG_CLK=y
 CONFIG_MMC=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
 CONFIG_DM_ETH=y
 CONFIG_FTMAC100=y
 CONFIG_BAUDRATE=38400
 CONFIG_DM_SERIAL=y
 CONFIG_SYS_NS16550=y
+CONFIG_DM_SPI=y
+CONFIG_NDS_AE3XX_SPI=y
 CONFIG_TIMER=y
 CONFIG_AE3XX_TIMER=y

diff --git a/include/configs/adp-ae3xx.h b/include/configs/adp-ae3xx.h
index 4378df502c10e6a742fb28068c23c45b742a3963..69460293330f9fbc8764ce4a2b06d02a510a67c3 100644 (file)
--- a/include/configs/adp-ae3xx.h
+++ b/include/configs/adp-ae3xx.h
@@ -220,14 +220,25 @@
 
 /* max number of sectors on one chip */
 #define CONFIG_FLASH_SECTOR_SIZE       (0x10000*2)
-#define CONFIG_ENV_SECT_SIZE           CONFIG_FLASH_SECTOR_SIZE
 #define CONFIG_SYS_MAX_FLASH_SECT      512
 
 /* environments */
-#define CONFIG_ENV_ADDR                        (CONFIG_SYS_MONITOR_BASE + 0x140000)
+#define CONFIG_ENV_SPI_BUS             0
+#define CONFIG_ENV_SPI_CS              0
+#define CONFIG_ENV_SPI_MAX_HZ          50000000
+#define CONFIG_ENV_SPI_MODE            0
+#define CONFIG_ENV_SECT_SIZE           0x1000
+#define CONFIG_ENV_OFFSET              0x140000
 #define CONFIG_ENV_SIZE                        8192
 #define CONFIG_ENV_OVERWRITE
 
+
+/* SPI FLASH */
+#define CONFIG_SF_DEFAULT_BUS          0
+#define CONFIG_SF_DEFAULT_CS           0
+#define CONFIG_SF_DEFAULT_SPEED                1000000
+#define CONFIG_SF_DEFAULT_MODE         0
+
 /*
  * For booting Linux, the board info and command line data
  * have to be in the first 16 MB of memory, since this is