Gitiles
Code Review Sign In
gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 50410078cd587f6b9ee915bd178854c0ee6d9bfe / . / board / ti / tnetv107xevm / sdb_board.c
blob: 3ed1cfd18c8d54e591301c501949a00d276e3365 [file] [log] [blame]
Cyril Chemparathy5cc48f72010-06-07 14:13:36 -0400[diff] [blame]1/*
2 * TNETV107X-EVM: Board initialization
3 *
4 * See file CREDITS for list of people who contributed to this
5 * project.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
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.
16 *
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., 675 Mass Ave, Cambridge, MA 02139, USA.
20 */
21
22#include <common.h>
23#include <miiphy.h>
24#include <linux/mtd/nand.h>
25#include <asm/arch/hardware.h>
26#include <asm/arch/clock.h>
27#include <asm/io.h>
28#include <asm/mach-types.h>
29#include <asm/arch/nand_defs.h>
30#include <asm/arch/mux.h>
31
32DECLARE_GLOBAL_DATA_PTR;
33
34static struct async_emif_config async_emif_config[ASYNC_EMIF_NUM_CS] = {
35 { /* CS0 */
36 .mode = ASYNC_EMIF_MODE_NAND,
37 .wr_setup = 5,
38 .wr_strobe = 5,
39 .wr_hold = 2,
40 .rd_setup = 5,
41 .rd_strobe = 5,
42 .rd_hold = 2,
43 .turn_around = 5,
44 .width = ASYNC_EMIF_8,
45 },
46 { /* CS1 */
47 .mode = ASYNC_EMIF_MODE_NOR,
48 .wr_setup = 2,
49 .wr_strobe = 27,
50 .wr_hold = 4,
51 .rd_setup = 2,
52 .rd_strobe = 27,
53 .rd_hold = 4,
54 .turn_around = 2,
55 .width = ASYNC_EMIF_PRESERVE,
56 },
57 { /* CS2 */
58 .mode = ASYNC_EMIF_MODE_NOR,
59 .wr_setup = 2,
60 .wr_strobe = 27,
61 .wr_hold = 4,
62 .rd_setup = 2,
63 .rd_strobe = 27,
64 .rd_hold = 4,
65 .turn_around = 2,
66 .width = ASYNC_EMIF_PRESERVE,
67 },
68 { /* CS3 */
69 .mode = ASYNC_EMIF_MODE_NOR,
70 .wr_setup = 1,
71 .wr_strobe = 90,
72 .wr_hold = 3,
73 .rd_setup = 1,
74 .rd_strobe = 26,
75 .rd_hold = 3,
76 .turn_around = 1,
77 .width = ASYNC_EMIF_8,
78 },
79};
80
81static struct pll_init_data pll_config[] = {
82 {
83 .pll = ETH_PLL,
84 .internal_osc = 1,
85 .pll_freq = 500000000,
86 .div_freq = {
87 5000000, 50000000, 125000000, 250000000, 25000000,
88 },
89 },
90};
91
92static const short sdio1_pins[] = {
93 TNETV107X_PIN_SDIO1_CLK_1, TNETV107X_PIN_SDIO1_CMD_1,
94 TNETV107X_PIN_SDIO1_DATA0_1, TNETV107X_PIN_SDIO1_DATA1_1,
95 TNETV107X_PIN_SDIO1_DATA2_1, TNETV107X_PIN_SDIO1_DATA3_1,
96 -1
97};
98
99static const short uart1_pins[] = {
100 TNETV107X_PIN_UART1_RD, TNETV107X_PIN_UART1_TD, -1
101};
102
103static const short ssp_pins[] = {
104 TNETV107X_PIN_SSP0_0, TNETV107X_PIN_SSP0_1, TNETV107X_PIN_SSP0_2,
105 TNETV107X_PIN_SSP1_0, TNETV107X_PIN_SSP1_1, TNETV107X_PIN_SSP1_2,
106 TNETV107X_PIN_SSP1_3, -1
107};
108
109int board_init(void)
110{
111#ifndef CONFIG_USE_IRQ
112 __raw_writel(0, INTC_GLB_EN); /* Global disable */
113 __raw_writel(0, INTC_HINT_EN); /* Disable host ints */
114 __raw_writel(0, INTC_EN_CLR0 + 0); /* Clear enable */
115 __raw_writel(0, INTC_EN_CLR0 + 4); /* Clear enable */
116 __raw_writel(0, INTC_EN_CLR0 + 8); /* Clear enable */
117#endif
118
119 gd->bd->bi_arch_number = MACH_TYPE_TNETV107X;
120 gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR;
121
122 init_plls(ARRAY_SIZE(pll_config), pll_config);
123
124 init_async_emif(ARRAY_SIZE(async_emif_config), async_emif_config);
125
126 mux_select_pin(TNETV107X_PIN_ASR_CS3);
127 mux_select_pins(sdio1_pins);
128 mux_select_pins(uart1_pins);
129 mux_select_pins(ssp_pins);
130
131 return 0;
132}
133
134int dram_init(void)
135{
136 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
137 gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
138
139 return 0;
140}
141
142#ifdef CONFIG_NAND_DAVINCI
143int board_nand_init(struct nand_chip *nand)
144{
145 davinci_nand_init(nand);
146
147 return 0;
148}
149#endif