2 * Copyright (C) 2012 Samsung Electronics
4 * See file CREDITS for list of people who contributed to this
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
29 #include <asm/arch/cpu.h>
30 #include <asm/arch/gpio.h>
31 #include <asm/arch/mmc.h>
32 #include <asm/arch/pinmux.h>
33 #include <asm/arch/sromc.h>
34 #include <power/pmic.h>
36 DECLARE_GLOBAL_DATA_PTR;
40 gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
41 #ifdef CONFIG_EXYNOS_SPI
49 gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE)
50 + get_ram_size((long *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE)
51 + get_ram_size((long *)PHYS_SDRAM_3, PHYS_SDRAM_3_SIZE)
52 + get_ram_size((long *)PHYS_SDRAM_4, PHYS_SDRAM_4_SIZE)
53 + get_ram_size((long *)PHYS_SDRAM_5, PHYS_SDRAM_7_SIZE)
54 + get_ram_size((long *)PHYS_SDRAM_6, PHYS_SDRAM_7_SIZE)
55 + get_ram_size((long *)PHYS_SDRAM_7, PHYS_SDRAM_7_SIZE)
56 + get_ram_size((long *)PHYS_SDRAM_8, PHYS_SDRAM_8_SIZE);
60 #if defined(CONFIG_POWER)
61 int power_init_board(void)
63 if (pmic_init(I2C_PMIC))
70 void dram_init_banksize(void)
72 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
73 gd->bd->bi_dram[0].size = get_ram_size((long *)PHYS_SDRAM_1,
75 gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
76 gd->bd->bi_dram[1].size = get_ram_size((long *)PHYS_SDRAM_2,
78 gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
79 gd->bd->bi_dram[2].size = get_ram_size((long *)PHYS_SDRAM_3,
81 gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
82 gd->bd->bi_dram[3].size = get_ram_size((long *)PHYS_SDRAM_4,
84 gd->bd->bi_dram[4].start = PHYS_SDRAM_5;
85 gd->bd->bi_dram[4].size = get_ram_size((long *)PHYS_SDRAM_5,
87 gd->bd->bi_dram[5].start = PHYS_SDRAM_6;
88 gd->bd->bi_dram[5].size = get_ram_size((long *)PHYS_SDRAM_6,
90 gd->bd->bi_dram[6].start = PHYS_SDRAM_7;
91 gd->bd->bi_dram[6].size = get_ram_size((long *)PHYS_SDRAM_7,
93 gd->bd->bi_dram[7].start = PHYS_SDRAM_8;
94 gd->bd->bi_dram[7].size = get_ram_size((long *)PHYS_SDRAM_8,
98 #ifdef CONFIG_OF_CONTROL
99 static int decode_sromc(const void *blob, struct fdt_sromc *config)
104 node = fdtdec_next_compatible(blob, 0, COMPAT_SAMSUNG_EXYNOS5_SROMC);
106 debug("Could not find SROMC node\n");
110 config->bank = fdtdec_get_int(blob, node, "bank", 0);
111 config->width = fdtdec_get_int(blob, node, "width", 2);
113 err = fdtdec_get_int_array(blob, node, "srom-timing", config->timing,
114 FDT_SROM_TIMING_COUNT);
116 debug("Could not decode SROMC configuration\n");
117 return -FDT_ERR_NOTFOUND;
124 int board_eth_init(bd_t *bis)
126 #ifdef CONFIG_SMC911X
127 u32 smc_bw_conf, smc_bc_conf;
128 struct fdt_sromc config;
129 fdt_addr_t base_addr;
132 #ifdef CONFIG_OF_CONTROL
133 node = decode_sromc(gd->fdt_blob, &config);
135 debug("%s: Could not find sromc configuration\n", __func__);
138 node = fdtdec_next_compatible(gd->fdt_blob, node, COMPAT_SMSC_LAN9215);
140 debug("%s: Could not find lan9215 configuration\n", __func__);
144 /* We now have a node, so any problems from now on are errors */
145 base_addr = fdtdec_get_addr(gd->fdt_blob, node, "reg");
146 if (base_addr == FDT_ADDR_T_NONE) {
147 debug("%s: Could not find lan9215 address\n", __func__);
151 /* Non-FDT configuration - bank number and timing parameters*/
152 config.bank = CONFIG_ENV_SROM_BANK;
155 config.timing[FDT_SROM_TACS] = 0x01;
156 config.timing[FDT_SROM_TCOS] = 0x01;
157 config.timing[FDT_SROM_TACC] = 0x06;
158 config.timing[FDT_SROM_TCOH] = 0x01;
159 config.timing[FDT_SROM_TAH] = 0x0C;
160 config.timing[FDT_SROM_TACP] = 0x09;
161 config.timing[FDT_SROM_PMC] = 0x01;
162 base_addr = CONFIG_SMC911X_BASE;
165 /* Ethernet needs data bus width of 16 bits */
166 if (config.width != 2) {
167 debug("%s: Unsupported bus width %d\n", __func__,
171 smc_bw_conf = SROMC_DATA16_WIDTH(config.bank)
172 | SROMC_BYTE_ENABLE(config.bank);
174 smc_bc_conf = SROMC_BC_TACS(config.timing[FDT_SROM_TACS]) |\
175 SROMC_BC_TCOS(config.timing[FDT_SROM_TCOS]) |\
176 SROMC_BC_TACC(config.timing[FDT_SROM_TACC]) |\
177 SROMC_BC_TCOH(config.timing[FDT_SROM_TCOH]) |\
178 SROMC_BC_TAH(config.timing[FDT_SROM_TAH]) |\
179 SROMC_BC_TACP(config.timing[FDT_SROM_TACP]) |\
180 SROMC_BC_PMC(config.timing[FDT_SROM_PMC]);
182 /* Select and configure the SROMC bank */
183 exynos_pinmux_config(PERIPH_ID_SROMC, config.bank);
184 s5p_config_sromc(config.bank, smc_bw_conf, smc_bc_conf);
185 return smc911x_initialize(0, base_addr);
190 #ifdef CONFIG_DISPLAY_BOARDINFO
193 printf("\nBoard: SMDK5250\n");
199 #ifdef CONFIG_GENERIC_MMC
200 int board_mmc_init(bd_t *bis)
204 err = exynos_pinmux_config(PERIPH_ID_SDMMC0, PINMUX_FLAG_8BIT_MODE);
206 debug("SDMMC0 not configured\n");
210 err = s5p_mmc_init(0, 8);
215 static int board_uart_init(void)
219 err = exynos_pinmux_config(PERIPH_ID_UART0, PINMUX_FLAG_NONE);
221 debug("UART0 not configured\n");
225 err = exynos_pinmux_config(PERIPH_ID_UART1, PINMUX_FLAG_NONE);
227 debug("UART1 not configured\n");
231 err = exynos_pinmux_config(PERIPH_ID_UART2, PINMUX_FLAG_NONE);
233 debug("UART2 not configured\n");
237 err = exynos_pinmux_config(PERIPH_ID_UART3, PINMUX_FLAG_NONE);
239 debug("UART3 not configured\n");
246 #ifdef CONFIG_SYS_I2C_INIT_BOARD
247 static int board_i2c_init(void)
251 for (i = 0; i < CONFIG_MAX_I2C_NUM; i++) {
252 err = exynos_pinmux_config((PERIPH_ID_I2C0 + i),
255 debug("I2C%d not configured\n", (PERIPH_ID_I2C0 + i));
259 i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
264 #ifdef CONFIG_BOARD_EARLY_INIT_F
265 int board_early_init_f(void)
268 err = board_uart_init();
270 debug("UART init failed\n");
273 #ifdef CONFIG_SYS_I2C_INIT_BOARD
274 err = board_i2c_init();