2 * Copyright (C) ST-Ericsson SA 2009
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #include <asm/types.h>
26 #include <asm/errno.h>
27 #include <asm/arch/db8500_pincfg.h>
29 #include "db8500_pins.h"
32 * Get a global data pointer
34 DECLARE_GLOBAL_DATA_PTR;
37 * Memory controller register
39 #define DMC_BASE_ADDR 0x80156000
40 #define DMC_CTL_97 (DMC_BASE_ADDR + 0x184)
43 * GPIO pin config common for MOP500/HREF boards
45 unsigned long gpio_cfg_common[] = {
59 GPIO145_SSP0_RXD | PIN_PULL_DOWN,
62 /* MMC0 (MicroSD card) */
63 GPIO18_MC0_CMDDIR | PIN_OUTPUT_HIGH,
64 GPIO19_MC0_DAT0DIR | PIN_OUTPUT_HIGH,
65 GPIO20_MC0_DAT2DIR | PIN_OUTPUT_HIGH,
66 GPIO21_MC0_DAT31DIR | PIN_OUTPUT_HIGH,
67 GPIO22_MC0_FBCLK | PIN_INPUT_NOPULL,
68 GPIO23_MC0_CLK | PIN_OUTPUT_LOW,
69 GPIO24_MC0_CMD | PIN_INPUT_PULLUP,
70 GPIO25_MC0_DAT0 | PIN_INPUT_PULLUP,
71 GPIO26_MC0_DAT1 | PIN_INPUT_PULLUP,
72 GPIO27_MC0_DAT2 | PIN_INPUT_PULLUP,
73 GPIO28_MC0_DAT3 | PIN_INPUT_PULLUP,
75 /* MMC4 (On-board eMMC) */
76 GPIO197_MC4_DAT3 | PIN_INPUT_PULLUP,
77 GPIO198_MC4_DAT2 | PIN_INPUT_PULLUP,
78 GPIO199_MC4_DAT1 | PIN_INPUT_PULLUP,
79 GPIO200_MC4_DAT0 | PIN_INPUT_PULLUP,
80 GPIO201_MC4_CMD | PIN_INPUT_PULLUP,
81 GPIO202_MC4_FBCLK | PIN_INPUT_NOPULL,
82 GPIO203_MC4_CLK | PIN_OUTPUT_LOW,
83 GPIO204_MC4_DAT7 | PIN_INPUT_PULLUP,
84 GPIO205_MC4_DAT6 | PIN_INPUT_PULLUP,
85 GPIO206_MC4_DAT5 | PIN_INPUT_PULLUP,
86 GPIO207_MC4_DAT4 | PIN_INPUT_PULLUP,
89 GPIO29_U2_RXD | PIN_INPUT_PULLUP,
90 GPIO30_U2_TXD | PIN_OUTPUT_HIGH,
91 GPIO31_U2_CTSn | PIN_INPUT_PULLUP,
92 GPIO32_U2_RTSn | PIN_OUTPUT_HIGH,
95 * USB, pin 256-267 USB, Is probably already setup correctly from
96 * BootROM/boot stages, but we don't trust that and set it up anyway
112 unsigned long gpio_cfg_snowball[] = {
113 /* MMC0 (MicroSD card) */
114 GPIO217_GPIO | PIN_OUTPUT_HIGH, /* MMC_EN */
115 GPIO218_GPIO | PIN_INPUT_NOPULL, /* MMC_CD */
116 GPIO228_GPIO | PIN_OUTPUT_HIGH, /* SD_SEL */
119 GPIO167_GPIO | PIN_OUTPUT_HIGH, /* RSTn_MLC */
132 GPIO141_GPIO | PIN_OUTPUT_HIGH,
136 * Miscellaneous platform dependent initialisations
142 * Setup board (bd) and board-info (bi).
143 * bi_arch_number: Unique id for this board. It will passed in r1 to
144 * Linux startup code and is the machine_id.
145 * bi_boot_params: Where this board expects params.
147 gd->bd->bi_arch_number = MACH_TYPE_SNOWBALL;
148 gd->bd->bi_boot_params = 0x00000100;
150 /* Configure GPIO pins needed by U-boot */
151 db8500_gpio_config_pins(gpio_cfg_common, ARRAY_SIZE(gpio_cfg_common));
153 db8500_gpio_config_pins(gpio_cfg_snowball,
154 ARRAY_SIZE(gpio_cfg_snowball));
161 gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
162 gd->ram_size = gd->bd->bi_dram[0].size =
163 get_ram_size(CONFIG_SYS_SDRAM_BASE, CONFIG_SYS_MAX_RAM_SIZE);