diff options
| author | Winter Wang <wente.wang@nxp.com> | 2016-10-13 12:57:20 +0800 |
|---|---|---|
| committer | Winter Wang <wente.wang@nxp.com> | 2016-10-13 14:19:56 +0800 |
| commit | 527b9f7ad8da4222a53b826479b808a0f105988f (patch) | |
| tree | ef9956618c645463d0085c5d5a75975f6e23ca64 /board/technexion | |
| parent | 83d081ab02138853ba7635e3ec0c5a9ac1e3a375 (diff) | |
| download | u-boot-imx-527b9f7ad8da4222a53b826479b808a0f105988f.zip u-boot-imx-527b9f7ad8da4222a53b826479b808a0f105988f.tar.gz u-boot-imx-527b9f7ad8da4222a53b826479b808a0f105988f.tar.bz2 | |
MA-8840 picosom: change to 512M ddr ram
Pin GPIO5_IO01 is for detect 256M/512M version,
this pin is pulled high for 512M version and low
for 256M version.
Just print version check message out .
Signed-off-by: Winter Wang <wente.wang@nxp.com>
Diffstat (limited to 'board/technexion')
| -rw-r--r-- | board/technexion/picosom-imx6ul/imximage.cfg | 10 | ||||
| -rw-r--r-- | board/technexion/picosom-imx6ul/picosom-imx6ul.c | 26 |
2 files changed, 30 insertions, 6 deletions
diff --git a/board/technexion/picosom-imx6ul/imximage.cfg b/board/technexion/picosom-imx6ul/imximage.cfg index 9a7db2f..8283673 100644 --- a/board/technexion/picosom-imx6ul/imximage.cfg +++ b/board/technexion/picosom-imx6ul/imximage.cfg @@ -81,9 +81,9 @@ DATA 4 0x020E0248 0x00000030 DATA 4 0x021B001C 0x00008000 DATA 4 0x021B0800 0xA1390003 DATA 4 0x021B080C 0x00000000 -DATA 4 0x021B083C 0x01380134 -DATA 4 0x021B0848 0x40404244 -DATA 4 0x021B0850 0x40405050 +DATA 4 0x021B083C 0x41490145 +DATA 4 0x021B0848 0x40404546 +DATA 4 0x021B0850 0x4040524D DATA 4 0x021B081C 0x33333333 DATA 4 0x021B0820 0x33333333 DATA 4 0x021B082C 0xf3333333 @@ -99,8 +99,8 @@ DATA 4 0x021B0018 0x00201740 DATA 4 0x021B001C 0x00008000 DATA 4 0x021B002C 0x000026D2 DATA 4 0x021B0030 0x006B1023 -DATA 4 0x021B0040 0x00000047 -DATA 4 0x021B0000 0x83180000 +DATA 4 0x021B0040 0x0000004F +DATA 4 0x021B0000 0x84180000 DATA 4 0x021B001C 0x02008032 DATA 4 0x021B001C 0x00008033 DATA 4 0x021B001C 0x00048031 diff --git a/board/technexion/picosom-imx6ul/picosom-imx6ul.c b/board/technexion/picosom-imx6ul/picosom-imx6ul.c index e9e8cb1..ddbbeec 100644 --- a/board/technexion/picosom-imx6ul/picosom-imx6ul.c +++ b/board/technexion/picosom-imx6ul/picosom-imx6ul.c @@ -96,6 +96,8 @@ DECLARE_GLOBAL_DATA_PTR; PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW | \ PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) +#define VERSION_DET_DDR_SIZE IMX_GPIO_NR(5, 1) + #ifdef CONFIG_SYS_I2C_MXC #define PC MUX_PAD_CTRL(I2C_PAD_CTRL) /* I2C2 for PMIC */ @@ -142,6 +144,11 @@ static iomux_v3_cfg_t const usdhc1_pads[] = { MX6_PAD_UART1_RTS_B__GPIO1_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL), }; +static iomux_v3_cfg_t const version_detection_pads[] = { + /* dram size detection */ + MX6_PAD_SNVS_TAMPER1__GPIO5_IO01 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + #ifdef CONFIG_SYS_USE_NAND static iomux_v3_cfg_t const nand_pads[] = { MX6_PAD_NAND_DATA00__RAWNAND_DATA00 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), @@ -230,6 +237,11 @@ static void setup_iomux_fec(int fec_id) } #endif +static void setup_iomux_version_detection(void) +{ + SETUP_IOMUX_PADS(version_detection_pads); +} + static void setup_iomux_uart(void) { imx_iomux_v3_setup_multiple_pads(uart6_pads, ARRAY_SIZE(uart6_pads)); @@ -706,9 +718,21 @@ u32 get_board_rev(void) return get_cpu_rev(); } +void version_detection(void) +{ + setup_iomux_version_detection(); + gpio_direction_input(VERSION_DET_DDR_SIZE); + + if (gpio_get_value(VERSION_DET_DDR_SIZE)) + printf("DRAM size is 512MB \r\n"); + else + printf("DRAM size is 256MB \r\n"); +} + int checkboard(void) { - puts("Board: PicoSOM i.mx6UL\n"); + version_detection(); + puts("Board: PicoSOM i.mx6UL\n"); return 0; } |