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| author | Frank Li <frank.li@freescale.com> | 2010-10-26 16:54:19 +0800 |
|---|---|---|
| committer | Terry Lv <r65388@freescale.com> | 2010-11-04 18:57:46 +0800 |
| commit | 8916b65502796a48c3422c0e867fe6edfa67037a (patch) | |
| tree | 9f72789b34990303ff26177978e5e532532f7c4d /board | |
| parent | 7906a1ae5053d5c98fadf60c8d34ef1f6a967628 (diff) | |
| download | u-boot-imx-8916b65502796a48c3422c0e867fe6edfa67037a.zip u-boot-imx-8916b65502796a48c3422c0e867fe6edfa67037a.tar.gz u-boot-imx-8916b65502796a48c3422c0e867fe6edfa67037a.tar.bz2 | |
ENGR00133049 Support nand flash for MX28
Support nand basic read/write in MX28 u-boot.
Signed-off-by: Frank Li <frank.li@freescale.com>
Signed-off-by: Terry Lv <r65388@freescale.com>
Diffstat (limited to 'board')
| -rw-r--r-- | board/freescale/mx28_evk/mx28_evk.c | 38 |
1 files changed, 36 insertions, 2 deletions
diff --git a/board/freescale/mx28_evk/mx28_evk.c b/board/freescale/mx28_evk/mx28_evk.c index 814c5b0..4aae4b2 100644 --- a/board/freescale/mx28_evk/mx28_evk.c +++ b/board/freescale/mx28_evk/mx28_evk.c @@ -96,10 +96,34 @@ static struct pin_desc enet_pins_desc[] = { { PINID_ENET_CLK, PIN_FUN1, PAD_8MA, PAD_3V3, 1 } }; +/* Gpmi pins */ +static struct pin_desc gpmi_pins_desc[] = { + { PINID_GPMI_D00, PIN_FUN1, PAD_4MA, PAD_3V3, 0 }, + { PINID_GPMI_D01, PIN_FUN1, PAD_4MA, PAD_3V3, 0 }, + { PINID_GPMI_D02, PIN_FUN1, PAD_4MA, PAD_3V3, 0 }, + { PINID_GPMI_D03, PIN_FUN1, PAD_4MA, PAD_3V3, 0 }, + { PINID_GPMI_D04, PIN_FUN1, PAD_4MA, PAD_3V3, 0 }, + { PINID_GPMI_D05, PIN_FUN1, PAD_4MA, PAD_3V3, 0 }, + { PINID_GPMI_D06, PIN_FUN1, PAD_4MA, PAD_3V3, 0 }, + { PINID_GPMI_D07, PIN_FUN1, PAD_4MA, PAD_3V3, 0 }, + { PINID_GPMI_RDN, PIN_FUN1, PAD_8MA, PAD_1V8, 1 }, + { PINID_GPMI_WRN, PIN_FUN1, PAD_4MA, PAD_3V3, 0 }, + { PINID_GPMI_ALE, PIN_FUN1, PAD_4MA, PAD_3V3, 0 }, + { PINID_GPMI_CLE, PIN_FUN1, PAD_4MA, PAD_3V3, 0 }, + { PINID_GPMI_RDY0, PIN_FUN1, PAD_4MA, PAD_3V3, 0 }, + { PINID_GPMI_RDY1, PIN_FUN1, PAD_4MA, PAD_3V3, 0 }, + { PINID_GPMI_CE0N, PIN_FUN1, PAD_4MA, PAD_3V3, 0 }, + { PINID_GPMI_CE1N, PIN_FUN1, PAD_4MA, PAD_3V3, 0 }, + { PINID_GPMI_RESETN, PIN_FUN1, PAD_4MA, PAD_3V3, 0 } +}; static struct pin_group enet_pins = { .pins = enet_pins_desc, .nr_pins = ARRAY_SIZE(enet_pins_desc) }; +static struct pin_group gpmi_pins = { + .pins = gpmi_pins_desc, + .nr_pins = ARRAY_SIZE(gpmi_pins_desc) +}; /* * Functions @@ -110,7 +134,9 @@ int board_init(void) gd->bd->bi_arch_number = MACH_TYPE_MX28EVK; /* Adress of boot parameters */ gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; - +#ifdef CONFIG_NAND_GPMI + setup_gpmi_nand(); +#endif return 0; } @@ -170,6 +196,7 @@ int ssp_mmc_gpio_init(bd_t *bis) break; case 1: +#ifdef CONFIG_CMD_MMC /* Set up MMC pins */ pin_set_group(&mmc1_pins); @@ -184,7 +211,7 @@ int ssp_mmc_gpio_init(bd_t *bis) /* Set up SD1 WP pin */ pin_set_type(PINID_SSP1_GPIO_WP, PIN_GPIO); pin_gpio_direction(PINID_SSP1_GPIO_WP, 0); - +#endif break; default: printf("Warning: you configured more ssp mmc controller" @@ -251,3 +278,10 @@ void enet_board_init(void) udelay(200); pin_gpio_set(PINID_ENET0_RX_CLK, 1); } +#ifdef CONFIG_NAND_GPMI +void setup_gpmi_nand() +{ + /* Set up GPMI pins */ + pin_set_group(&gpmi_pins); +} +#endif |