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Sandeep Paulraj2d4072c2009-08-15 11:20:58 -04001/*
Sandeep Paulraja4474ff2009-10-13 19:35:11 -04002 * Copyright (C) 2009 Texas Instruments Incorporated
Sandeep Paulraj2d4072c2009-08-15 11:20:58 -04003 *
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.
8 *
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.
13 *
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.
17 */
18
19#include <common.h>
20#include <nand.h>
Sandeep Paulraj4df30f32009-09-29 09:43:04 -040021#include <asm/io.h>
Sandeep Paulraj2d4072c2009-08-15 11:20:58 -040022#include <asm/arch/hardware.h>
23#include <asm/arch/emif_defs.h>
24#include <asm/arch/nand_defs.h>
Sandeep Paulraj4df30f32009-09-29 09:43:04 -040025#include <asm/arch/gpio_defs.h>
26#include <netdev.h>
Sughosh Ganud7f9b502010-11-28 20:21:27 -050027#include <asm/arch/davinci_misc.h>
Sandeep Paulraje3e4e2f2010-12-18 18:15:25 -050028#ifdef CONFIG_DAVINCI_MMC
29#include <mmc.h>
30#include <asm/arch/sdmmc_defs.h>
31#endif
Sandeep Paulraj2d4072c2009-08-15 11:20:58 -040032
33DECLARE_GLOBAL_DATA_PTR;
34
35int board_init(void)
36{
37 gd->bd->bi_arch_number = MACH_TYPE_DAVINCI_DM365_EVM;
38 gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
39
40 return 0;
41}
42
Sandeep Paulraj4df30f32009-09-29 09:43:04 -040043#ifdef CONFIG_DRIVER_TI_EMAC
44int board_eth_init(bd_t *bis)
45{
46 uint8_t eeprom_enetaddr[6];
47 int i;
48 struct davinci_gpio *gpio1_base =
49 (struct davinci_gpio *)DAVINCI_GPIO_BANK01;
50
51 /* Configure PINMUX 3 to enable EMAC pins */
52 writel((readl(PINMUX3) | 0x1affff), PINMUX3);
53
54 /* Configure GPIO20 as output */
55 writel((readl(&gpio1_base->dir) & ~(1 << 20)), &gpio1_base->dir);
56
57 /* Toggle GPIO 20 */
58 for (i = 0; i < 20; i++) {
59 /* GPIO 20 low */
60 writel((readl(&gpio1_base->out_data) & ~(1 << 20)),
61 &gpio1_base->out_data);
62
63 udelay(1000);
64
65 /* GPIO 20 high */
66 writel((readl(&gpio1_base->out_data) | (1 << 20)),
67 &gpio1_base->out_data);
68 }
69
70 /* Configure I2C pins so that EEPROM can be read */
71 writel((readl(PINMUX3) | 0x01400000), PINMUX3);
72
73 /* Read Ethernet MAC address from EEPROM */
74 if (dvevm_read_mac_address(eeprom_enetaddr))
Ben Gardiner7b37a272010-09-23 09:58:43 -040075 davinci_sync_env_enetaddr(eeprom_enetaddr);
Sandeep Paulraj4df30f32009-09-29 09:43:04 -040076
77 davinci_emac_initialize();
78
79 return 0;
80}
81#endif
82
Sandeep Paulraj2d4072c2009-08-15 11:20:58 -040083#ifdef CONFIG_NAND_DAVINCI
84static void nand_dm365evm_select_chip(struct mtd_info *mtd, int chip)
85{
86 struct nand_chip *this = mtd->priv;
Sandeep Paulrajd884f642009-10-01 20:22:09 -040087 unsigned long wbase = (unsigned long) this->IO_ADDR_W;
88 unsigned long rbase = (unsigned long) this->IO_ADDR_R;
Sandeep Paulraj2d4072c2009-08-15 11:20:58 -040089
90 if (chip == 1) {
91 __set_bit(14, &wbase);
92 __set_bit(14, &rbase);
93 } else {
94 __clear_bit(14, &wbase);
95 __clear_bit(14, &rbase);
96 }
97 this->IO_ADDR_W = (void *)wbase;
98 this->IO_ADDR_R = (void *)rbase;
99}
100
101int board_nand_init(struct nand_chip *nand)
102{
103 davinci_nand_init(nand);
104 nand->select_chip = nand_dm365evm_select_chip;
105 return 0;
106}
107#endif
Sandeep Paulraje3e4e2f2010-12-18 18:15:25 -0500108
109#ifdef CONFIG_DAVINCI_MMC
110static struct davinci_mmc mmc_sd0 = {
111 .reg_base = (struct davinci_mmc_regs *)DAVINCI_MMC_SD0_BASE,
112 .input_clk = 121500000,
113 .host_caps = MMC_MODE_4BIT,
114 .voltages = MMC_VDD_32_33 | MMC_VDD_33_34,
115 .version = MMC_CTLR_VERSION_2,
116};
117
118#ifdef CONFIG_DAVINCI_MMC_SD1
119static struct davinci_mmc mmc_sd1 = {
120 .reg_base = (struct davinci_mmc_regs *)DAVINCI_MMC_SD1_BASE,
121 .input_clk = 121500000,
122 .host_caps = MMC_MODE_4BIT,
123 .voltages = MMC_VDD_32_33 | MMC_VDD_33_34,
124 .version = MMC_CTLR_VERSION_2,
125};
126#endif
127
128int board_mmc_init(bd_t *bis)
129{
130 int err;
131
132 /* Add slot-0 to mmc subsystem */
133 err = davinci_mmc_init(bis, &mmc_sd0);
134 if (err)
135 return err;
136
137#ifdef CONFIG_DAVINCI_MMC_SD1
138#define PUPDCTL1 0x01c4007c
139 /* PINMUX(4)-DAT0-3/CMD; PINMUX(0)-CLK */
140 writel((readl(PINMUX4) | 0x55400000), PINMUX4);
141 writel((readl(PINMUX0) | 0x00010000), PINMUX0);
142
143 /* Configure MMC/SD pins as pullup */
144 writel((readl(PUPDCTL1) & ~0x07c0), PUPDCTL1);
145
146 /* Add slot-1 to mmc subsystem */
147 err = davinci_mmc_init(bis, &mmc_sd1);
148#endif
149
150 return err;
151}
152#endif