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| author | Guennadi Liakhovetski <lg@denx.de> | 2008-04-15 13:33:11 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2008-04-24 17:06:39 +0200 |
| commit | 0a0b606faaec4afb3f750b09aa4df1e40a39dcb8 (patch) | |
| tree | acbe010bb6a7c7ae67cfd85f88ee6bbe28159428 | |
| parent | 022f12163595b9a55380c6d77c3119b93d6a9a4b (diff) | |
| download | u-boot-imx-0a0b606faaec4afb3f750b09aa4df1e40a39dcb8.zip u-boot-imx-0a0b606faaec4afb3f750b09aa4df1e40a39dcb8.tar.gz u-boot-imx-0a0b606faaec4afb3f750b09aa4df1e40a39dcb8.tar.bz2 | |
MX31ADS environment variable update, spi and rtc support
Update MX31ADS default environment to better match the flash layout and
the memory map, support SPI and RTC.
Signed-off-by: Guennadi Liakhovetski <lg@denx.de>
| -rw-r--r-- | board/mx31ads/mx31ads.c | 12 | ||||
| -rw-r--r-- | include/configs/mx31ads.h | 39 |
2 files changed, 41 insertions, 10 deletions
diff --git a/board/mx31ads/mx31ads.c b/board/mx31ads/mx31ads.c index 5a7d8c9..a75cc2d 100644 --- a/board/mx31ads/mx31ads.c +++ b/board/mx31ads/mx31ads.c @@ -57,6 +57,18 @@ int board_init (void) mx31_gpio_mux(MUX_RTS1__UART1_RTS_B); mx31_gpio_mux(MUX_RTS1__UART1_CTS_B); + /* SPI2 */ + mx31_gpio_mux((MUX_CTL_FUNC << 8) | MUX_CTL_CSPI2_SS2); + mx31_gpio_mux((MUX_CTL_FUNC << 8) | MUX_CTL_CSPI2_SCLK); + mx31_gpio_mux((MUX_CTL_FUNC << 8) | MUX_CTL_CSPI2_SPI_RDY); + mx31_gpio_mux((MUX_CTL_FUNC << 8) | MUX_CTL_CSPI2_MOSI); + mx31_gpio_mux((MUX_CTL_FUNC << 8) | MUX_CTL_CSPI2_MISO); + mx31_gpio_mux((MUX_CTL_FUNC << 8) | MUX_CTL_CSPI2_SS0); + mx31_gpio_mux((MUX_CTL_FUNC << 8) | MUX_CTL_CSPI2_SS1); + + /* start SPI2 clock */ + __REG(CCM_CGR2) = __REG(CCM_CGR2) | (3 << 4); + /* PBC setup */ /* Enable UART transceivers also reset the Ethernet/external UART */ readw(CS4_BASE + 4); diff --git a/include/configs/mx31ads.h b/include/configs/mx31ads.h index 78e2545..5286e1f 100644 --- a/include/configs/mx31ads.h +++ b/include/configs/mx31ads.h @@ -51,7 +51,7 @@ * Size of malloc() pool */ #define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128 * 1024) -#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ +#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ /* * Hardware drivers @@ -60,6 +60,12 @@ #define CONFIG_MX31_UART 1 #define CFG_MX31_UART1 1 +#define CONFIG_HARD_SPI 1 +#define CONFIG_MXC_SPI 1 +#define CONFIG_MXC_SPI_IFACE 1 /* Default SPI interface number */ + +#define CONFIG_RTC_MC13783 1 + /* allow to overwrite serial and ethaddr */ #define CONFIG_ENV_OVERWRITE #define CONFIG_CONS_INDEX 1 @@ -73,20 +79,33 @@ #include <config_cmd_default.h> #define CONFIG_CMD_PING +#define CONFIG_CMD_SPI +#define CONFIG_CMD_DATE #define CONFIG_BOOTDELAY 3 #define CONFIG_NETMASK 255.255.255.0 #define CONFIG_IPADDR 192.168.23.168 #define CONFIG_SERVERIP 192.168.23.2 - -#define CONFIG_EXTRA_ENV_SETTINGS \ - "bootargs_base=setenv bootargs console=ttymxc0,115200\0" \ - "bootargs_nfs=setenv bootargs $(bootargs) root=/dev/nfs ip=dhcp nfsroot=$(serverip):$(nfsrootfs),v3,tcp\0" \ - "bootcmd=run bootcmd_net\0" \ - "bootcmd_net=run bootargs_base bootargs_mtd bootargs_nfs; tftpboot 0x80000000 uImage-mx31; bootm\0" \ - "prg_uboot=tftpboot 0x80000000 u-boot-mx31ads.bin; protect off 0xa0000000 0xa001ffff; erase 0xa0000000 0xa001ffff; cp.b 0x80000000 0xa0000000 $(filesize)\0" - +#define CONFIG_LOADADDR (CSD0_BASE + 0x800000) /* loadaddr env var */ + +#define CONFIG_EXTRA_ENV_SETTINGS \ + "netdev=eth0\0" \ + "uboot_addr=0xa0000000\0" \ + "uboot=mx31ads/u-boot.bin\0" \ + "kernel=mx31ads/uImage\0" \ + "nfsroot=/opt/eldk/arm\0" \ + "bootargs_base=setenv bootargs console=ttymxc0,115200\0" \ + "bootargs_nfs=setenv bootargs ${bootargs} root=/dev/nfs " \ + "ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \ + "bootcmd=run bootcmd_net\0" \ + "bootcmd_net=run bootargs_base bootargs_nfs; " \ + "tftpboot ${loadaddr} ${kernel}; bootm\0" \ + "prg_uboot=tftpboot ${loadaddr} ${uboot}; " \ + "protect off ${uboot_addr} 0xa003ffff; " \ + "erase ${uboot_addr} 0xa003ffff; " \ + "cp.b ${loadaddr} ${uboot_addr} ${filesize}; " \ + "setenv filesize; saveenv\0" #define CONFIG_DRIVER_CS8900 1 #define CS8900_BASE 0xb4020300 @@ -120,7 +139,7 @@ #undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */ -#define CFG_LOAD_ADDR CSD0_BASE /* default load address */ +#define CFG_LOAD_ADDR CONFIG_LOADADDR #define CFG_HZ 32000 |