Steve Sakoman | c57cca2 | 2010-06-11 20:35:26 -0700 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2010 |
| 3 | * Texas Instruments Incorporated, <www.ti.com> |
| 4 | * Steve Sakoman <steve@sakoman.com> |
| 5 | * |
| 6 | * See file CREDITS for list of people who contributed to this |
| 7 | * project. |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or |
| 10 | * modify it under the terms of the GNU General Public License as |
| 11 | * published by the Free Software Foundation; either version 2 of |
| 12 | * the License, or (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 22 | * MA 02111-1307 USA |
| 23 | */ |
| 24 | #include <common.h> |
| 25 | #include <asm/arch/sys_proto.h> |
Sukumar Ghorai | 7e982c9 | 2010-09-18 20:56:18 -0700 | [diff] [blame] | 26 | #include <asm/arch/mmc_host_def.h> |
Chris Lalancette | df65a3f | 2011-12-13 09:41:12 +0000 | [diff] [blame^] | 27 | #include <asm/arch/clocks.h> |
| 28 | #include <asm/arch/gpio.h> |
Steve Sakoman | c57cca2 | 2010-06-11 20:35:26 -0700 | [diff] [blame] | 29 | |
Aneesh V | 469ec1e | 2011-07-21 09:10:01 -0400 | [diff] [blame] | 30 | #include "panda_mux_data.h" |
Steve Sakoman | 2ad853c | 2010-07-15 13:43:10 -0700 | [diff] [blame] | 31 | |
Chris Lalancette | df65a3f | 2011-12-13 09:41:12 +0000 | [diff] [blame^] | 32 | #define PANDA_ULPI_PHY_TYPE_GPIO 182 |
| 33 | |
Steve Sakoman | c57cca2 | 2010-06-11 20:35:26 -0700 | [diff] [blame] | 34 | DECLARE_GLOBAL_DATA_PTR; |
| 35 | |
| 36 | const struct omap_sysinfo sysinfo = { |
| 37 | "Board: OMAP4 Panda\n" |
| 38 | }; |
| 39 | |
Chris Lalancette | df65a3f | 2011-12-13 09:41:12 +0000 | [diff] [blame^] | 40 | struct omap4_scrm_regs *const scrm = (struct omap4_scrm_regs *)0x4a30a000; |
| 41 | |
Steve Sakoman | c57cca2 | 2010-06-11 20:35:26 -0700 | [diff] [blame] | 42 | /** |
| 43 | * @brief board_init |
| 44 | * |
| 45 | * @return 0 |
| 46 | */ |
| 47 | int board_init(void) |
| 48 | { |
Steve Sakoman | 2795201 | 2010-07-15 16:19:16 -0400 | [diff] [blame] | 49 | gpmc_init(); |
| 50 | |
Steve Sakoman | c57cca2 | 2010-06-11 20:35:26 -0700 | [diff] [blame] | 51 | gd->bd->bi_arch_number = MACH_TYPE_OMAP4_PANDA; |
| 52 | gd->bd->bi_boot_params = (0x80000000 + 0x100); /* boot param addr */ |
| 53 | |
| 54 | return 0; |
| 55 | } |
| 56 | |
| 57 | int board_eth_init(bd_t *bis) |
| 58 | { |
| 59 | return 0; |
| 60 | } |
| 61 | |
| 62 | /** |
| 63 | * @brief misc_init_r - Configure Panda board specific configurations |
| 64 | * such as power configurations, ethernet initialization as phase2 of |
| 65 | * boot sequence |
| 66 | * |
| 67 | * @return 0 |
| 68 | */ |
| 69 | int misc_init_r(void) |
| 70 | { |
Chris Lalancette | df65a3f | 2011-12-13 09:41:12 +0000 | [diff] [blame^] | 71 | int phy_type; |
| 72 | u32 auxclk, altclksrc; |
| 73 | |
| 74 | /* EHCI is not supported on ES1.0 */ |
| 75 | if (omap_revision() == OMAP4430_ES1_0) |
| 76 | return 0; |
| 77 | |
| 78 | gpio_direction_input(PANDA_ULPI_PHY_TYPE_GPIO); |
| 79 | phy_type = gpio_get_value(PANDA_ULPI_PHY_TYPE_GPIO); |
| 80 | |
| 81 | if (phy_type == 1) { |
| 82 | /* ULPI PHY supplied by auxclk3 derived from sys_clk */ |
| 83 | debug("ULPI PHY supplied by auxclk3\n"); |
| 84 | |
| 85 | auxclk = readl(&scrm->auxclk3); |
| 86 | /* Select sys_clk */ |
| 87 | auxclk &= ~AUXCLK_SRCSELECT_MASK; |
| 88 | auxclk |= AUXCLK_SRCSELECT_SYS_CLK << AUXCLK_SRCSELECT_SHIFT; |
| 89 | /* Set the divisor to 2 */ |
| 90 | auxclk &= ~AUXCLK_CLKDIV_MASK; |
| 91 | auxclk |= AUXCLK_CLKDIV_2 << AUXCLK_CLKDIV_SHIFT; |
| 92 | /* Request auxilary clock #3 */ |
| 93 | auxclk |= AUXCLK_ENABLE_MASK; |
| 94 | |
| 95 | writel(auxclk, &scrm->auxclk3); |
| 96 | } else { |
| 97 | /* ULPI PHY supplied by auxclk1 derived from PER dpll */ |
| 98 | debug("ULPI PHY supplied by auxclk1\n"); |
| 99 | |
| 100 | auxclk = readl(&scrm->auxclk1); |
| 101 | /* Select per DPLL */ |
| 102 | auxclk &= ~AUXCLK_SRCSELECT_MASK; |
| 103 | auxclk |= AUXCLK_SRCSELECT_PER_DPLL << AUXCLK_SRCSELECT_SHIFT; |
| 104 | /* Set the divisor to 16 */ |
| 105 | auxclk &= ~AUXCLK_CLKDIV_MASK; |
| 106 | auxclk |= AUXCLK_CLKDIV_16 << AUXCLK_CLKDIV_SHIFT; |
| 107 | /* Request auxilary clock #3 */ |
| 108 | auxclk |= AUXCLK_ENABLE_MASK; |
| 109 | |
| 110 | writel(auxclk, &scrm->auxclk1); |
| 111 | } |
| 112 | |
| 113 | altclksrc = readl(&scrm->altclksrc); |
| 114 | |
| 115 | /* Activate alternate system clock supplier */ |
| 116 | altclksrc &= ~ALTCLKSRC_MODE_MASK; |
| 117 | altclksrc |= ALTCLKSRC_MODE_ACTIVE; |
| 118 | |
| 119 | /* enable clocks */ |
| 120 | altclksrc |= ALTCLKSRC_ENABLE_INT_MASK | ALTCLKSRC_ENABLE_EXT_MASK; |
| 121 | |
| 122 | writel(altclksrc, &scrm->altclksrc); |
| 123 | |
Steve Sakoman | c57cca2 | 2010-06-11 20:35:26 -0700 | [diff] [blame] | 124 | return 0; |
| 125 | } |
Steve Sakoman | 2ad853c | 2010-07-15 13:43:10 -0700 | [diff] [blame] | 126 | |
Sricharan | 508a58f | 2011-11-15 09:49:55 -0500 | [diff] [blame] | 127 | void set_muxconf_regs_essential(void) |
| 128 | { |
| 129 | do_set_mux(CONTROL_PADCONF_CORE, core_padconf_array_essential, |
| 130 | sizeof(core_padconf_array_essential) / |
| 131 | sizeof(struct pad_conf_entry)); |
| 132 | |
| 133 | do_set_mux(CONTROL_PADCONF_WKUP, wkup_padconf_array_essential, |
| 134 | sizeof(wkup_padconf_array_essential) / |
| 135 | sizeof(struct pad_conf_entry)); |
| 136 | |
| 137 | if (omap_revision() >= OMAP4460_ES1_0) |
| 138 | do_set_mux(CONTROL_PADCONF_WKUP, |
| 139 | wkup_padconf_array_essential_4460, |
| 140 | sizeof(wkup_padconf_array_essential_4460) / |
| 141 | sizeof(struct pad_conf_entry)); |
| 142 | } |
| 143 | |
Aneesh V | 469ec1e | 2011-07-21 09:10:01 -0400 | [diff] [blame] | 144 | void set_muxconf_regs_non_essential(void) |
Steve Sakoman | 2ad853c | 2010-07-15 13:43:10 -0700 | [diff] [blame] | 145 | { |
Aneesh V | 469ec1e | 2011-07-21 09:10:01 -0400 | [diff] [blame] | 146 | do_set_mux(CONTROL_PADCONF_CORE, core_padconf_array_non_essential, |
| 147 | sizeof(core_padconf_array_non_essential) / |
Steve Sakoman | 2ad853c | 2010-07-15 13:43:10 -0700 | [diff] [blame] | 148 | sizeof(struct pad_conf_entry)); |
| 149 | |
Ricardo Salveti de Araujo | 53430a4 | 2011-09-21 10:17:31 +0000 | [diff] [blame] | 150 | if (omap_revision() < OMAP4460_ES1_0) |
| 151 | do_set_mux(CONTROL_PADCONF_CORE, |
| 152 | core_padconf_array_non_essential_4430, |
| 153 | sizeof(core_padconf_array_non_essential_4430) / |
| 154 | sizeof(struct pad_conf_entry)); |
| 155 | else |
| 156 | do_set_mux(CONTROL_PADCONF_CORE, |
| 157 | core_padconf_array_non_essential_4460, |
| 158 | sizeof(core_padconf_array_non_essential_4460) / |
| 159 | sizeof(struct pad_conf_entry)); |
| 160 | |
Aneesh V | 469ec1e | 2011-07-21 09:10:01 -0400 | [diff] [blame] | 161 | do_set_mux(CONTROL_PADCONF_WKUP, wkup_padconf_array_non_essential, |
| 162 | sizeof(wkup_padconf_array_non_essential) / |
Steve Sakoman | 2ad853c | 2010-07-15 13:43:10 -0700 | [diff] [blame] | 163 | sizeof(struct pad_conf_entry)); |
Ricardo Salveti de Araujo | 53430a4 | 2011-09-21 10:17:31 +0000 | [diff] [blame] | 164 | |
| 165 | if (omap_revision() < OMAP4460_ES1_0) |
| 166 | do_set_mux(CONTROL_PADCONF_WKUP, |
| 167 | wkup_padconf_array_non_essential_4430, |
| 168 | sizeof(wkup_padconf_array_non_essential_4430) / |
| 169 | sizeof(struct pad_conf_entry)); |
Steve Sakoman | 2ad853c | 2010-07-15 13:43:10 -0700 | [diff] [blame] | 170 | } |
Sukumar Ghorai | 7e982c9 | 2010-09-18 20:56:18 -0700 | [diff] [blame] | 171 | |
Sricharan | 508a58f | 2011-11-15 09:49:55 -0500 | [diff] [blame] | 172 | #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC) |
Sukumar Ghorai | 7e982c9 | 2010-09-18 20:56:18 -0700 | [diff] [blame] | 173 | int board_mmc_init(bd_t *bis) |
| 174 | { |
| 175 | omap_mmc_init(0); |
| 176 | return 0; |
| 177 | } |
| 178 | #endif |
Sricharan | 508a58f | 2011-11-15 09:49:55 -0500 | [diff] [blame] | 179 | |
| 180 | /* |
| 181 | * get_board_rev() - get board revision |
| 182 | */ |
| 183 | u32 get_board_rev(void) |
| 184 | { |
| 185 | return 0x20; |
| 186 | } |