Frederik Kriewitz | c35d7cf | 2009-08-23 12:56:42 +0200 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2004-2008 |
| 3 | * Texas Instruments, <www.ti.com> |
| 4 | * |
| 5 | * Author : |
| 6 | * Sunil Kumar <sunilsaini05@gmail.com> |
| 7 | * Shashi Ranjan <shashiranjanmca05@gmail.com> |
| 8 | * |
| 9 | * (C) Copyright 2009 |
| 10 | * Frederik Kriewitz <frederik@kriewitz.eu> |
| 11 | * |
| 12 | * Derived from Beagle Board and 3430 SDP code by |
| 13 | * Richard Woodruff <r-woodruff2@ti.com> |
| 14 | * Syed Mohammed Khasim <khasim@ti.com> |
| 15 | * |
| 16 | * |
Wolfgang Denk | 1a45966 | 2013-07-08 09:37:19 +0200 | [diff] [blame] | 17 | * SPDX-License-Identifier: GPL-2.0+ |
Frederik Kriewitz | c35d7cf | 2009-08-23 12:56:42 +0200 | [diff] [blame] | 18 | */ |
| 19 | #include <common.h> |
| 20 | #include <twl4030.h> |
| 21 | #include <asm/io.h> |
Tom Rini | f408501 | 2011-09-03 21:52:45 -0400 | [diff] [blame] | 22 | #include <asm/arch/mmc_host_def.h> |
Frederik Kriewitz | c35d7cf | 2009-08-23 12:56:42 +0200 | [diff] [blame] | 23 | #include <asm/arch/mux.h> |
| 24 | #include <asm/arch/sys_proto.h> |
| 25 | #include <asm/arch/mem.h> |
| 26 | #include <asm/mach-types.h> |
| 27 | #include "devkit8000.h" |
Simon Schwarz | 2d52a9a | 2012-03-15 04:01:40 +0000 | [diff] [blame] | 28 | #include <asm/gpio.h> |
Frederik Kriewitz | c35d7cf | 2009-08-23 12:56:42 +0200 | [diff] [blame] | 29 | #ifdef CONFIG_DRIVER_DM9000 |
| 30 | #include <net.h> |
| 31 | #include <netdev.h> |
| 32 | #endif |
| 33 | |
| 34 | DECLARE_GLOBAL_DATA_PTR; |
| 35 | |
Thomas Weber | 13b178e | 2011-12-13 05:54:17 +0000 | [diff] [blame] | 36 | static u32 gpmc_net_config[GPMC_MAX_REG] = { |
| 37 | NET_GPMC_CONFIG1, |
| 38 | NET_GPMC_CONFIG2, |
| 39 | NET_GPMC_CONFIG3, |
| 40 | NET_GPMC_CONFIG4, |
| 41 | NET_GPMC_CONFIG5, |
| 42 | NET_GPMC_CONFIG6, |
| 43 | 0 |
| 44 | }; |
| 45 | |
Frederik Kriewitz | c35d7cf | 2009-08-23 12:56:42 +0200 | [diff] [blame] | 46 | /* |
| 47 | * Routine: board_init |
| 48 | * Description: Early hardware init. |
| 49 | */ |
| 50 | int board_init(void) |
| 51 | { |
| 52 | gpmc_init(); /* in SRAM or SDRAM, finish GPMC */ |
| 53 | /* board id for Linux */ |
| 54 | gd->bd->bi_arch_number = MACH_TYPE_DEVKIT8000; |
| 55 | /* boot param addr */ |
| 56 | gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100); |
| 57 | |
| 58 | return 0; |
| 59 | } |
| 60 | |
Simon Schwarz | 9e70c08 | 2012-03-15 04:01:37 +0000 | [diff] [blame] | 61 | /* Configure GPMC registers for DM9000 */ |
| 62 | static void gpmc_dm9000_config(void) |
| 63 | { |
| 64 | enable_gpmc_cs_config(gpmc_net_config, &gpmc_cfg->cs[6], |
| 65 | CONFIG_DM9000_BASE, GPMC_SIZE_16M); |
| 66 | } |
| 67 | |
Frederik Kriewitz | c35d7cf | 2009-08-23 12:56:42 +0200 | [diff] [blame] | 68 | /* |
| 69 | * Routine: misc_init_r |
| 70 | * Description: Configure board specific parts |
| 71 | */ |
| 72 | int misc_init_r(void) |
| 73 | { |
| 74 | struct ctrl_id *id_base = (struct ctrl_id *)OMAP34XX_ID_L4_IO_BASE; |
| 75 | #ifdef CONFIG_DRIVER_DM9000 |
| 76 | uchar enetaddr[6]; |
| 77 | u32 die_id_0; |
| 78 | #endif |
| 79 | |
| 80 | twl4030_power_init(); |
| 81 | #ifdef CONFIG_TWL4030_LED |
Grazvydas Ignotas | ead39d7 | 2009-12-10 17:10:21 +0200 | [diff] [blame] | 82 | twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON); |
Frederik Kriewitz | c35d7cf | 2009-08-23 12:56:42 +0200 | [diff] [blame] | 83 | #endif |
| 84 | |
| 85 | #ifdef CONFIG_DRIVER_DM9000 |
| 86 | /* Configure GPMC registers for DM9000 */ |
Thomas Weber | 13b178e | 2011-12-13 05:54:17 +0000 | [diff] [blame] | 87 | enable_gpmc_cs_config(gpmc_net_config, &gpmc_cfg->cs[6], |
| 88 | CONFIG_DM9000_BASE, GPMC_SIZE_16M); |
Frederik Kriewitz | c35d7cf | 2009-08-23 12:56:42 +0200 | [diff] [blame] | 89 | |
| 90 | /* Use OMAP DIE_ID as MAC address */ |
| 91 | if (!eth_getenv_enetaddr("ethaddr", enetaddr)) { |
| 92 | printf("ethaddr not set, using Die ID\n"); |
| 93 | die_id_0 = readl(&id_base->die_id_0); |
| 94 | enetaddr[0] = 0x02; /* locally administered */ |
| 95 | enetaddr[1] = readl(&id_base->die_id_1) & 0xff; |
| 96 | enetaddr[2] = (die_id_0 & 0xff000000) >> 24; |
| 97 | enetaddr[3] = (die_id_0 & 0x00ff0000) >> 16; |
| 98 | enetaddr[4] = (die_id_0 & 0x0000ff00) >> 8; |
| 99 | enetaddr[5] = (die_id_0 & 0x000000ff); |
| 100 | eth_setenv_enetaddr("ethaddr", enetaddr); |
| 101 | } |
| 102 | #endif |
| 103 | |
| 104 | dieid_num_r(); |
| 105 | |
| 106 | return 0; |
| 107 | } |
| 108 | |
| 109 | /* |
| 110 | * Routine: set_muxconf_regs |
| 111 | * Description: Setting up the configuration Mux registers specific to the |
| 112 | * hardware. Many pins need to be moved from protect to primary |
| 113 | * mode. |
| 114 | */ |
| 115 | void set_muxconf_regs(void) |
| 116 | { |
| 117 | MUX_DEVKIT8000(); |
| 118 | } |
| 119 | |
Simon Schwarz | c9f3cf1 | 2011-09-30 00:41:33 +0000 | [diff] [blame] | 120 | #if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD) |
Tom Rini | f408501 | 2011-09-03 21:52:45 -0400 | [diff] [blame] | 121 | int board_mmc_init(bd_t *bis) |
| 122 | { |
Nikita Kiryanov | e3913f5 | 2012-12-03 02:19:47 +0000 | [diff] [blame] | 123 | return omap_mmc_init(0, 0, 0, -1, -1); |
Tom Rini | f408501 | 2011-09-03 21:52:45 -0400 | [diff] [blame] | 124 | } |
| 125 | #endif |
| 126 | |
Paul Kocialkowski | aac5450 | 2014-11-08 20:55:47 +0100 | [diff] [blame] | 127 | #if defined(CONFIG_GENERIC_MMC) |
| 128 | void board_mmc_power_init(void) |
| 129 | { |
| 130 | twl4030_power_mmc_init(0); |
| 131 | } |
| 132 | #endif |
| 133 | |
Simon Schwarz | 3f6a492 | 2011-09-14 15:32:17 -0400 | [diff] [blame] | 134 | #if defined(CONFIG_DRIVER_DM9000) & !defined(CONFIG_SPL_BUILD) |
Frederik Kriewitz | c35d7cf | 2009-08-23 12:56:42 +0200 | [diff] [blame] | 135 | /* |
| 136 | * Routine: board_eth_init |
| 137 | * Description: Setting up the Ethernet hardware. |
| 138 | */ |
| 139 | int board_eth_init(bd_t *bis) |
| 140 | { |
| 141 | return dm9000_initialize(bis); |
| 142 | } |
| 143 | #endif |
Tom Rini | 9ae0d55 | 2011-11-18 12:48:06 +0000 | [diff] [blame] | 144 | |
Simon Schwarz | 9e70c08 | 2012-03-15 04:01:37 +0000 | [diff] [blame] | 145 | #ifdef CONFIG_SPL_OS_BOOT |
| 146 | /* |
| 147 | * Do board specific preperation before SPL |
| 148 | * Linux boot |
| 149 | */ |
| 150 | void spl_board_prepare_for_linux(void) |
| 151 | { |
| 152 | gpmc_dm9000_config(); |
| 153 | } |
| 154 | |
Simon Schwarz | 2d52a9a | 2012-03-15 04:01:40 +0000 | [diff] [blame] | 155 | /* |
| 156 | * devkit8000 specific implementation of spl_start_uboot() |
| 157 | * |
| 158 | * RETURN |
| 159 | * 0 if the button is not pressed |
| 160 | * 1 if the button is pressed |
| 161 | */ |
| 162 | int spl_start_uboot(void) |
| 163 | { |
| 164 | int val = 0; |
Stefano Babic | 3037296 | 2013-02-23 00:53:26 +0000 | [diff] [blame] | 165 | if (!gpio_request(SPL_OS_BOOT_KEY, "U-Boot key")) { |
| 166 | gpio_direction_input(SPL_OS_BOOT_KEY); |
| 167 | val = gpio_get_value(SPL_OS_BOOT_KEY); |
| 168 | gpio_free(SPL_OS_BOOT_KEY); |
Simon Schwarz | 2d52a9a | 2012-03-15 04:01:40 +0000 | [diff] [blame] | 169 | } |
| 170 | return !val; |
| 171 | } |
Simon Schwarz | 9e70c08 | 2012-03-15 04:01:37 +0000 | [diff] [blame] | 172 | #endif |
| 173 | |
Tom Rini | 9ae0d55 | 2011-11-18 12:48:06 +0000 | [diff] [blame] | 174 | /* |
| 175 | * Routine: get_board_mem_timings |
| 176 | * Description: If we use SPL then there is no x-loader nor config header |
| 177 | * so we have to setup the DDR timings ourself on the first bank. This |
| 178 | * provides the timing values back to the function that configures |
| 179 | * the memory. We have either one or two banks of 128MB DDR. |
| 180 | */ |
Peter Barada | 8c4445d | 2012-11-13 07:40:28 +0000 | [diff] [blame] | 181 | void get_board_mem_timings(struct board_sdrc_timings *timings) |
Tom Rini | 9ae0d55 | 2011-11-18 12:48:06 +0000 | [diff] [blame] | 182 | { |
| 183 | /* General SDRC config */ |
Peter Barada | 8c4445d | 2012-11-13 07:40:28 +0000 | [diff] [blame] | 184 | timings->mcfg = MICRON_V_MCFG_165(128 << 20); |
| 185 | timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz; |
Tom Rini | 9ae0d55 | 2011-11-18 12:48:06 +0000 | [diff] [blame] | 186 | |
| 187 | /* AC timings */ |
Peter Barada | 8c4445d | 2012-11-13 07:40:28 +0000 | [diff] [blame] | 188 | timings->ctrla = MICRON_V_ACTIMA_165; |
| 189 | timings->ctrlb = MICRON_V_ACTIMB_165; |
Tom Rini | 9ae0d55 | 2011-11-18 12:48:06 +0000 | [diff] [blame] | 190 | |
Peter Barada | 8c4445d | 2012-11-13 07:40:28 +0000 | [diff] [blame] | 191 | timings->mr = MICRON_V_MR_165; |
Tom Rini | 9ae0d55 | 2011-11-18 12:48:06 +0000 | [diff] [blame] | 192 | } |