diff options
Diffstat (limited to 'board/st-ericsson/snowball/snowball.c')
| -rw-r--r-- | board/st-ericsson/snowball/snowball.c | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/board/st-ericsson/snowball/snowball.c b/board/st-ericsson/snowball/snowball.c new file mode 100644 index 000000000..4bcc64972 --- /dev/null +++ b/board/st-ericsson/snowball/snowball.c @@ -0,0 +1,166 @@ +/* + * Copyright (C) ST-Ericsson SA 2009 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <config.h> +#include <common.h> +#include <malloc.h> +#include <i2c.h> +#include <mmc.h> +#include <asm/types.h> +#include <asm/io.h> +#include <asm/errno.h> +#include <asm/arch/db8500_pincfg.h> + +#include "db8500_pins.h" + +/* + * Get a global data pointer + */ +DECLARE_GLOBAL_DATA_PTR; + +/* + * Memory controller register + */ +#define DMC_BASE_ADDR 0x80156000 +#define DMC_CTL_97 (DMC_BASE_ADDR + 0x184) + +/* + * GPIO pin config common for MOP500/HREF boards + */ +unsigned long gpio_cfg_common[] = { + /* I2C */ + GPIO147_I2C0_SCL, + GPIO148_I2C0_SDA, + GPIO16_I2C1_SCL, + GPIO17_I2C1_SDA, + GPIO10_I2C2_SDA, + GPIO11_I2C2_SCL, + GPIO229_I2C3_SDA, + GPIO230_I2C3_SCL, + + /* SSP0, to AB8500 */ + GPIO143_SSP0_CLK, + GPIO144_SSP0_FRM, + GPIO145_SSP0_RXD | PIN_PULL_DOWN, + GPIO146_SSP0_TXD, + + /* MMC0 (MicroSD card) */ + GPIO18_MC0_CMDDIR | PIN_OUTPUT_HIGH, + GPIO19_MC0_DAT0DIR | PIN_OUTPUT_HIGH, + GPIO20_MC0_DAT2DIR | PIN_OUTPUT_HIGH, + GPIO21_MC0_DAT31DIR | PIN_OUTPUT_HIGH, + GPIO22_MC0_FBCLK | PIN_INPUT_NOPULL, + GPIO23_MC0_CLK | PIN_OUTPUT_LOW, + GPIO24_MC0_CMD | PIN_INPUT_PULLUP, + GPIO25_MC0_DAT0 | PIN_INPUT_PULLUP, + GPIO26_MC0_DAT1 | PIN_INPUT_PULLUP, + GPIO27_MC0_DAT2 | PIN_INPUT_PULLUP, + GPIO28_MC0_DAT3 | PIN_INPUT_PULLUP, + + /* MMC4 (On-board eMMC) */ + GPIO197_MC4_DAT3 | PIN_INPUT_PULLUP, + GPIO198_MC4_DAT2 | PIN_INPUT_PULLUP, + GPIO199_MC4_DAT1 | PIN_INPUT_PULLUP, + GPIO200_MC4_DAT0 | PIN_INPUT_PULLUP, + GPIO201_MC4_CMD | PIN_INPUT_PULLUP, + GPIO202_MC4_FBCLK | PIN_INPUT_NOPULL, + GPIO203_MC4_CLK | PIN_OUTPUT_LOW, + GPIO204_MC4_DAT7 | PIN_INPUT_PULLUP, + GPIO205_MC4_DAT6 | PIN_INPUT_PULLUP, + GPIO206_MC4_DAT5 | PIN_INPUT_PULLUP, + GPIO207_MC4_DAT4 | PIN_INPUT_PULLUP, + + /* UART2, console */ + GPIO29_U2_RXD | PIN_INPUT_PULLUP, + GPIO30_U2_TXD | PIN_OUTPUT_HIGH, + GPIO31_U2_CTSn | PIN_INPUT_PULLUP, + GPIO32_U2_RTSn | PIN_OUTPUT_HIGH, + + /* + * USB, pin 256-267 USB, Is probably already setup correctly from + * BootROM/boot stages, but we don't trust that and set it up anyway + */ + GPIO256_USB_NXT, + GPIO257_USB_STP, + GPIO258_USB_XCLK, + GPIO259_USB_DIR, + GPIO260_USB_DAT7, + GPIO261_USB_DAT6, + GPIO262_USB_DAT5, + GPIO263_USB_DAT4, + GPIO264_USB_DAT3, + GPIO265_USB_DAT2, + GPIO266_USB_DAT1, + GPIO267_USB_DAT0, +}; + +unsigned long gpio_cfg_snowball[] = { + /* MMC0 (MicroSD card) */ + GPIO217_GPIO | PIN_OUTPUT_HIGH, /* MMC_EN */ + GPIO218_GPIO | PIN_INPUT_NOPULL, /* MMC_CD */ + GPIO228_GPIO | PIN_OUTPUT_HIGH, /* SD_SEL */ + + /* eMMC */ + GPIO167_GPIO | PIN_OUTPUT_HIGH, /* RSTn_MLC */ + + /* LAN */ + GPIO131_SM_ADQ8, + GPIO132_SM_ADQ9, + GPIO133_SM_ADQ10, + GPIO134_SM_ADQ11, + GPIO135_SM_ADQ12, + GPIO136_SM_ADQ13, + GPIO137_SM_ADQ14, + GPIO138_SM_ADQ15, + + /* RSTn_LAN */ + GPIO141_GPIO | PIN_OUTPUT_HIGH, +}; + +/* + * Miscellaneous platform dependent initialisations + */ + +int board_init(void) +{ + /* + * Setup board (bd) and board-info (bi). + * bi_arch_number: Unique id for this board. It will passed in r1 to + * Linux startup code and is the machine_id. + * bi_boot_params: Where this board expects params. + */ + gd->bd->bi_arch_number = MACH_TYPE_SNOWBALL; + gd->bd->bi_boot_params = 0x00000100; + + /* Configure GPIO pins needed by U-boot */ + db8500_gpio_config_pins(gpio_cfg_common, ARRAY_SIZE(gpio_cfg_common)); + + db8500_gpio_config_pins(gpio_cfg_snowball, + ARRAY_SIZE(gpio_cfg_snowball)); + + return 0; +} + +int dram_init(void) +{ + gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE; + gd->ram_size = gd->bd->bi_dram[0].size = + get_ram_size(CONFIG_SYS_SDRAM_BASE, CONFIG_SYS_MAX_RAM_SIZE); + + return 0; +} |