Tom Warren | 41b6838 | 2011-01-27 10:58:05 +0000 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2010,2011 |
| 3 | * NVIDIA Corporation <www.nvidia.com> |
| 4 | * |
| 5 | * See file CREDITS for list of people who contributed to this |
| 6 | * project. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License as |
| 10 | * published by the Free Software Foundation; either version 2 of |
| 11 | * the License, or (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 21 | * MA 02111-1307 USA |
| 22 | */ |
| 23 | |
| 24 | #include <common.h> |
| 25 | #include <ns16550.h> |
Jimmy Zhang | a308d46 | 2012-04-10 05:17:06 +0000 | [diff] [blame] | 26 | #include <linux/compiler.h> |
Tom Warren | 41b6838 | 2011-01-27 10:58:05 +0000 | [diff] [blame] | 27 | #include <asm/io.h> |
Simon Glass | 16134fd | 2011-08-30 06:23:13 +0000 | [diff] [blame] | 28 | #include <asm/arch/clock.h> |
Jimmy Zhang | a308d46 | 2012-04-10 05:17:06 +0000 | [diff] [blame] | 29 | #include <asm/arch/emc.h> |
Tom Warren | 41b6838 | 2011-01-27 10:58:05 +0000 | [diff] [blame] | 30 | #include <asm/arch/pinmux.h> |
Simon Glass | e772be8 | 2012-04-02 13:18:54 +0000 | [diff] [blame] | 31 | #include <asm/arch/pmu.h> |
Tom Warren | ab37196 | 2012-09-19 15:50:56 -0700 | [diff] [blame] | 32 | #include <asm/arch/tegra.h> |
Simon Glass | 5d73a8d | 2012-02-27 10:52:50 +0000 | [diff] [blame] | 33 | #include <asm/arch/usb.h> |
Tom Warren | ab37196 | 2012-09-19 15:50:56 -0700 | [diff] [blame] | 34 | #include <asm/arch-tegra/board.h> |
| 35 | #include <asm/arch-tegra/clk_rst.h> |
| 36 | #include <asm/arch-tegra/pmc.h> |
| 37 | #include <asm/arch-tegra/sys_proto.h> |
| 38 | #include <asm/arch-tegra/uart.h> |
| 39 | #include <asm/arch-tegra/warmboot.h> |
| 40 | #include <spi.h> |
Simon Glass | 87cc3d1 | 2012-02-03 15:13:57 +0000 | [diff] [blame] | 41 | #include <i2c.h> |
Jimmy Zhang | a308d46 | 2012-04-10 05:17:06 +0000 | [diff] [blame] | 42 | #include "emc.h" |
Tom Warren | 41b6838 | 2011-01-27 10:58:05 +0000 | [diff] [blame] | 43 | |
| 44 | DECLARE_GLOBAL_DATA_PTR; |
| 45 | |
Tom Warren | 22562a4 | 2012-09-04 17:00:24 -0700 | [diff] [blame] | 46 | const struct tegra_sysinfo sysinfo = { |
| 47 | CONFIG_TEGRA_BOARD_STRING |
Tom Warren | 41b6838 | 2011-01-27 10:58:05 +0000 | [diff] [blame] | 48 | }; |
| 49 | |
Allen Martin | 74753a8 | 2012-08-31 08:30:08 +0000 | [diff] [blame] | 50 | #ifndef CONFIG_SPL_BUILD |
Tom Warren | 41b6838 | 2011-01-27 10:58:05 +0000 | [diff] [blame] | 51 | /* |
| 52 | * Routine: timer_init |
| 53 | * Description: init the timestamp and lastinc value |
| 54 | */ |
| 55 | int timer_init(void) |
| 56 | { |
Tom Warren | 41b6838 | 2011-01-27 10:58:05 +0000 | [diff] [blame] | 57 | return 0; |
| 58 | } |
Allen Martin | 74753a8 | 2012-08-31 08:30:08 +0000 | [diff] [blame] | 59 | #endif |
Tom Warren | 41b6838 | 2011-01-27 10:58:05 +0000 | [diff] [blame] | 60 | |
Simon Glass | 5d73a8d | 2012-02-27 10:52:50 +0000 | [diff] [blame] | 61 | void __pin_mux_usb(void) |
| 62 | { |
| 63 | } |
| 64 | |
| 65 | void pin_mux_usb(void) __attribute__((weak, alias("__pin_mux_usb"))); |
| 66 | |
Stephen Warren | d2f67fe | 2012-06-12 08:33:40 +0000 | [diff] [blame] | 67 | void __pin_mux_spi(void) |
| 68 | { |
| 69 | } |
| 70 | |
| 71 | void pin_mux_spi(void) __attribute__((weak, alias("__pin_mux_spi"))); |
| 72 | |
Lucas Stach | 18561f7 | 2012-09-25 20:21:14 +0000 | [diff] [blame] | 73 | void __gpio_early_init_uart(void) |
| 74 | { |
| 75 | } |
| 76 | |
| 77 | void gpio_early_init_uart(void) |
| 78 | __attribute__((weak, alias("__gpio_early_init_uart"))); |
| 79 | |
Tom Warren | 41b6838 | 2011-01-27 10:58:05 +0000 | [diff] [blame] | 80 | /* |
Wei Ni | 39d45ed | 2012-04-02 13:18:58 +0000 | [diff] [blame] | 81 | * Routine: power_det_init |
| 82 | * Description: turn off power detects |
| 83 | */ |
| 84 | static void power_det_init(void) |
| 85 | { |
Allen Martin | 55d98a1 | 2012-08-31 08:30:00 +0000 | [diff] [blame] | 86 | #if defined(CONFIG_TEGRA20) |
Tom Warren | 22562a4 | 2012-09-04 17:00:24 -0700 | [diff] [blame] | 87 | struct pmc_ctlr *const pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE; |
Wei Ni | 39d45ed | 2012-04-02 13:18:58 +0000 | [diff] [blame] | 88 | |
| 89 | /* turn off power detects */ |
| 90 | writel(0, &pmc->pmc_pwr_det_latch); |
| 91 | writel(0, &pmc->pmc_pwr_det); |
| 92 | #endif |
| 93 | } |
| 94 | |
| 95 | /* |
Tom Warren | 41b6838 | 2011-01-27 10:58:05 +0000 | [diff] [blame] | 96 | * Routine: board_init |
| 97 | * Description: Early hardware init. |
| 98 | */ |
| 99 | int board_init(void) |
| 100 | { |
Jimmy Zhang | a308d46 | 2012-04-10 05:17:06 +0000 | [diff] [blame] | 101 | __maybe_unused int err; |
| 102 | |
Simon Glass | 704e60d | 2011-11-05 04:46:51 +0000 | [diff] [blame] | 103 | /* Do clocks and UART first so that printf() works */ |
Simon Glass | c2ea5e4 | 2011-09-21 12:40:04 +0000 | [diff] [blame] | 104 | clock_init(); |
| 105 | clock_verify(); |
| 106 | |
Simon Glass | 704e60d | 2011-11-05 04:46:51 +0000 | [diff] [blame] | 107 | #ifdef CONFIG_SPI_UART_SWITCH |
| 108 | gpio_config_uart(); |
| 109 | #endif |
Tom Warren | 2967d48 | 2012-06-01 08:22:14 +0000 | [diff] [blame] | 110 | #ifdef CONFIG_TEGRA_SPI |
Stephen Warren | d2f67fe | 2012-06-12 08:33:40 +0000 | [diff] [blame] | 111 | pin_mux_spi(); |
Tom Warren | ee554f8 | 2011-11-05 09:48:11 +0000 | [diff] [blame] | 112 | spi_init(); |
| 113 | #endif |
Tom Warren | 41b6838 | 2011-01-27 10:58:05 +0000 | [diff] [blame] | 114 | /* boot param addr */ |
| 115 | gd->bd->bi_boot_params = (NV_PA_SDRAM_BASE + 0x100); |
Wei Ni | 39d45ed | 2012-04-02 13:18:58 +0000 | [diff] [blame] | 116 | |
| 117 | power_det_init(); |
| 118 | |
Simon Glass | 87cc3d1 | 2012-02-03 15:13:57 +0000 | [diff] [blame] | 119 | #ifdef CONFIG_TEGRA_I2C |
| 120 | #ifndef CONFIG_SYS_I2C_INIT_BOARD |
| 121 | #error "You must define CONFIG_SYS_I2C_INIT_BOARD to use i2c on Nvidia boards" |
| 122 | #endif |
| 123 | i2c_init_board(); |
Simon Glass | e772be8 | 2012-04-02 13:18:54 +0000 | [diff] [blame] | 124 | # ifdef CONFIG_TEGRA_PMU |
| 125 | if (pmu_set_nominal()) |
| 126 | debug("Failed to select nominal voltages\n"); |
Jimmy Zhang | a308d46 | 2012-04-10 05:17:06 +0000 | [diff] [blame] | 127 | # ifdef CONFIG_TEGRA_CLOCK_SCALING |
| 128 | err = board_emc_init(); |
| 129 | if (err) |
| 130 | debug("Memory controller init failed: %d\n", err); |
| 131 | # endif |
| 132 | # endif /* CONFIG_TEGRA_PMU */ |
| 133 | #endif /* CONFIG_TEGRA_I2C */ |
Tom Warren | 41b6838 | 2011-01-27 10:58:05 +0000 | [diff] [blame] | 134 | |
Simon Glass | 5d73a8d | 2012-02-27 10:52:50 +0000 | [diff] [blame] | 135 | #ifdef CONFIG_USB_EHCI_TEGRA |
| 136 | pin_mux_usb(); |
| 137 | board_usb_init(gd->fdt_blob); |
| 138 | #endif |
| 139 | |
Tom Warren | 22562a4 | 2012-09-04 17:00:24 -0700 | [diff] [blame] | 140 | #ifdef CONFIG_TEGRA_LP0 |
Allen Martin | 0ca1a45 | 2012-08-31 08:30:11 +0000 | [diff] [blame] | 141 | /* save Sdram params to PMC 2, 4, and 24 for WB0 */ |
| 142 | warmboot_save_sdram_params(); |
| 143 | |
Simon Glass | 8cc8f61 | 2012-04-02 13:18:57 +0000 | [diff] [blame] | 144 | /* prepare the WB code to LP0 location */ |
| 145 | warmboot_prepare_code(TEGRA_LP0_ADDR, TEGRA_LP0_SIZE); |
| 146 | #endif |
| 147 | |
Tom Warren | 41b6838 | 2011-01-27 10:58:05 +0000 | [diff] [blame] | 148 | return 0; |
| 149 | } |
Simon Glass | dfcee79 | 2011-09-21 12:40:03 +0000 | [diff] [blame] | 150 | |
| 151 | #ifdef CONFIG_BOARD_EARLY_INIT_F |
Thierry Reding | 2fa4db0 | 2012-06-04 20:02:27 +0000 | [diff] [blame] | 152 | static void __gpio_early_init(void) |
| 153 | { |
| 154 | } |
| 155 | |
| 156 | void gpio_early_init(void) __attribute__((weak, alias("__gpio_early_init"))); |
| 157 | |
Simon Glass | dfcee79 | 2011-09-21 12:40:03 +0000 | [diff] [blame] | 158 | int board_early_init_f(void) |
| 159 | { |
Simon Glass | a8ccc8b | 2011-11-28 15:04:40 +0000 | [diff] [blame] | 160 | board_init_uart_f(); |
Simon Glass | dfcee79 | 2011-09-21 12:40:03 +0000 | [diff] [blame] | 161 | |
| 162 | /* Initialize periph GPIOs */ |
Thierry Reding | 2fa4db0 | 2012-06-04 20:02:27 +0000 | [diff] [blame] | 163 | gpio_early_init(); |
Simon Glass | 704e60d | 2011-11-05 04:46:51 +0000 | [diff] [blame] | 164 | gpio_early_init_uart(); |
Lucas Stach | 18561f7 | 2012-09-25 20:21:14 +0000 | [diff] [blame] | 165 | |
Simon Glass | dfcee79 | 2011-09-21 12:40:03 +0000 | [diff] [blame] | 166 | return 0; |
| 167 | } |
| 168 | #endif /* EARLY_INIT */ |