Shashank Mittal | 23b8f42 | 2010-04-16 19:27:21 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2009, Google Inc. |
| 3 | * All rights reserved. |
| 4 | * Copyright (c) 2009-2010, Code Aurora Forum. All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions |
| 8 | * are met: |
| 9 | * * Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * * Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in |
| 13 | * the documentation and/or other materials provided with the |
| 14 | * distribution. |
| 15 | * * Neither the name of Google, Inc. nor the names of its contributors |
| 16 | * may be used to endorse or promote products derived from this |
| 17 | * software without specific prior written permission. |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 20 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 21 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| 22 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| 23 | * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 24 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| 25 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| 26 | * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| 27 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 28 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| 29 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 30 | * SUCH DAMAGE. |
| 31 | */ |
| 32 | |
| 33 | #include <debug.h> |
| 34 | #include <dev/keys.h> |
| 35 | #include <dev/gpio_keypad.h> |
| 36 | #include <lib/ptable.h> |
| 37 | #include <dev/flash.h> |
| 38 | #include <smem.h> |
Subbaraman Narayanamurthy | f9b6e0d | 2010-09-08 16:51:43 -0700 | [diff] [blame] | 39 | #include <platform/iomap.h> |
| 40 | #include <reg.h> |
Shashank Mittal | 23b8f42 | 2010-04-16 19:27:21 -0700 | [diff] [blame] | 41 | |
Shashank Mittal | 86b2148 | 2010-11-15 10:37:34 -0800 | [diff] [blame^] | 42 | #define LINUX_MACHTYPE_8660_SURF 2755 |
| 43 | #define LINUX_MACHTYPE_8660_FFA 3017 |
| 44 | #define LINUX_MACHTYPE_8660_FLUID 3124 |
Ajay Dudani | 16ea8fb | 2010-11-23 19:15:38 -0800 | [diff] [blame] | 45 | #define LINUX_MACHTYPE_8660_CHARM_SURF 3181 |
| 46 | #define LINUX_MACHTYPE_8660_CHARM_FFA 3199 |
Shashank Mittal | 23b8f42 | 2010-04-16 19:27:21 -0700 | [diff] [blame] | 47 | |
| 48 | void keypad_init(void); |
| 49 | |
| 50 | static int emmc_boot = -1; /* set to uninitialized */ |
| 51 | int target_is_emmc_boot(void); |
Subbaraman Narayanamurthy | f9b6e0d | 2010-09-08 16:51:43 -0700 | [diff] [blame] | 52 | void debug_led_write(char); |
| 53 | char debug_led_read(); |
Shashank Mittal | c69512e | 2010-09-22 16:40:48 -0700 | [diff] [blame] | 54 | uint32_t platform_id_read (void); |
Shashank Mittal | 23b8f42 | 2010-04-16 19:27:21 -0700 | [diff] [blame] | 55 | |
| 56 | void target_init(void) |
| 57 | { |
| 58 | |
| 59 | dprintf(INFO, "target_init()\n"); |
| 60 | |
Subbaraman Narayanamurthy | f9b6e0d | 2010-09-08 16:51:43 -0700 | [diff] [blame] | 61 | setup_fpga(); |
Subbaraman Narayanamurthy | 50d936f | 2010-09-08 17:09:00 -0700 | [diff] [blame] | 62 | |
| 63 | /* Setting Debug LEDs ON */ |
| 64 | debug_led_write(0xFF); |
Chandan Uddaraju | bedca15 | 2010-06-02 23:05:15 -0700 | [diff] [blame] | 65 | #if (!ENABLE_NANDWRITE) |
| 66 | keys_init(); |
| 67 | keypad_init(); |
| 68 | #endif |
Subbaraman Narayanamurthy | 4b43c35 | 2010-09-24 13:20:52 -0700 | [diff] [blame] | 69 | if(mmc_boot_main(MMC_SLOT,MSM_SDC1_BASE)) |
Shashank Mittal | 23b8f42 | 2010-04-16 19:27:21 -0700 | [diff] [blame] | 70 | { |
| 71 | dprintf(CRITICAL, "mmc init failed!"); |
| 72 | ASSERT(0); |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | unsigned board_machtype(void) |
| 77 | { |
Ajay Dudani | 16ea8fb | 2010-11-23 19:15:38 -0800 | [diff] [blame] | 78 | struct smem_board_info_v5 board_info_v5; |
| 79 | unsigned int board_info_len = 0; |
| 80 | unsigned smem_status = 0; |
| 81 | unsigned format = 0; |
| 82 | unsigned id = 0; |
| 83 | unsigned hw_platform = 0; |
| 84 | unsigned fused_chip = 0; |
| 85 | unsigned mach_id = LINUX_MACHTYPE_8660_FFA; |
Shashank Mittal | c69512e | 2010-09-22 16:40:48 -0700 | [diff] [blame] | 86 | |
Ajay Dudani | 16ea8fb | 2010-11-23 19:15:38 -0800 | [diff] [blame] | 87 | /* Detect external msm if this is a "fusion" */ |
| 88 | smem_status = smem_read_alloc_entry_offset(SMEM_BOARD_INFO_LOCATION, |
| 89 | &format, sizeof(format), 0); |
| 90 | if(!smem_status) |
| 91 | { |
| 92 | if (format >= 5) |
| 93 | { |
| 94 | board_info_len = sizeof(board_info_v5); |
| 95 | |
| 96 | smem_status = smem_read_alloc_entry(SMEM_BOARD_INFO_LOCATION, |
| 97 | &board_info_v5, board_info_len); |
| 98 | if(!smem_status) |
| 99 | { |
| 100 | fused_chip = board_info_v5.fused_chip; |
| 101 | } |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | /* Detect SURF v/s FFA v/s Fluid */ |
| 106 | id = board_info_v5.board_info_v3.hw_platform; |
| 107 | switch(id) |
| 108 | { |
| 109 | case 0x1: |
| 110 | hw_platform = HW_PLATFORM_SURF; |
| 111 | break; |
| 112 | case 0x2: |
| 113 | hw_platform = HW_PLATFORM_FFA; |
| 114 | break; |
| 115 | case 0x3: |
| 116 | hw_platform = HW_PLATFORM_FLUID; |
| 117 | break; |
| 118 | default: |
| 119 | /* Writing to Debug LED register and reading back to auto detect |
| 120 | SURF and FFA. If we read back, it is SURF */ |
| 121 | debug_led_write(0xA5); |
| 122 | |
| 123 | if((debug_led_read() & 0xFF) == 0xA5) |
| 124 | { |
| 125 | debug_led_write(0); |
| 126 | hw_platform = HW_PLATFORM_SURF; |
| 127 | } |
| 128 | else |
| 129 | hw_platform = HW_PLATFORM_FFA; |
| 130 | }; |
| 131 | |
| 132 | /* Use hw_platform and fused_chip information to determine machine id */ |
| 133 | switch(fused_chip) |
| 134 | { |
| 135 | case UNKNOWN: |
| 136 | if (hw_platform == HW_PLATFORM_SURF) |
| 137 | mach_id = LINUX_MACHTYPE_8660_SURF; |
| 138 | else if (hw_platform == HW_PLATFORM_FFA) |
| 139 | mach_id = LINUX_MACHTYPE_8660_FFA; |
| 140 | else if (hw_platform == HW_PLATFORM_FLUID) |
| 141 | mach_id = LINUX_MACHTYPE_8660_FLUID; |
| 142 | break; |
| 143 | |
| 144 | case MDM9200: |
| 145 | case MDM9600: |
| 146 | if (hw_platform == HW_PLATFORM_SURF) |
| 147 | mach_id = LINUX_MACHTYPE_8660_CHARM_SURF; |
| 148 | else if (hw_platform == HW_PLATFORM_FFA) |
| 149 | mach_id = LINUX_MACHTYPE_8660_CHARM_FFA; |
| 150 | break; |
| 151 | |
| 152 | default: |
| 153 | mach_id = LINUX_MACHTYPE_8660_FFA; |
| 154 | } |
| 155 | |
| 156 | return mach_id; |
Shashank Mittal | 23b8f42 | 2010-04-16 19:27:21 -0700 | [diff] [blame] | 157 | } |
| 158 | |
| 159 | void reboot_device(unsigned reboot_reason) |
| 160 | { |
Subbaraman Narayanamurthy | c647278 | 2010-09-30 12:39:14 -0700 | [diff] [blame] | 161 | /* Reset WDG0 counter */ |
| 162 | writel(1,MSM_WDT0_RST); |
| 163 | /* Disable WDG0 */ |
| 164 | writel(0,MSM_WDT0_EN); |
| 165 | /* Set WDG0 bark time */ |
| 166 | writel(0x31F3,MSM_WDT0_BT); |
| 167 | /* Enable WDG0 */ |
| 168 | writel(3,MSM_WDT0_EN); |
| 169 | dmb(); |
| 170 | /* Enable WDG output */ |
| 171 | writel(3,MSM_TCSR_BASE + TCSR_WDOG_CFG); |
| 172 | mdelay(10000); |
| 173 | dprintf (CRITICAL, "Rebooting failed\n"); |
Shashank Mittal | 23b8f42 | 2010-04-16 19:27:21 -0700 | [diff] [blame] | 174 | return; |
| 175 | } |
| 176 | |
| 177 | unsigned check_reboot_mode(void) |
| 178 | { |
Ajay Dudani | 7742129 | 2010-10-27 19:34:06 -0700 | [diff] [blame] | 179 | unsigned restart_reason = 0; |
| 180 | void *restart_reason_addr = 0x401FFFFC; |
| 181 | |
| 182 | /* Read reboot reason and scrub it */ |
| 183 | restart_reason = readl(restart_reason_addr); |
| 184 | writel(0x00, restart_reason_addr); |
| 185 | |
| 186 | return restart_reason; |
Shashank Mittal | 23b8f42 | 2010-04-16 19:27:21 -0700 | [diff] [blame] | 187 | } |
| 188 | |
| 189 | void target_battery_charging_enable(unsigned enable, unsigned disconnect) |
| 190 | { |
| 191 | } |
Subbaraman Narayanamurthy | f9b6e0d | 2010-09-08 16:51:43 -0700 | [diff] [blame] | 192 | |
| 193 | void setup_fpga() |
| 194 | { |
| 195 | writel(0x147, GPIO_CFG133_ADDR); |
| 196 | writel(0x144, GPIO_CFG135_ADDR); |
| 197 | writel(0x144, GPIO_CFG136_ADDR); |
| 198 | writel(0x144, GPIO_CFG137_ADDR); |
| 199 | writel(0x144, GPIO_CFG138_ADDR); |
| 200 | writel(0x144, GPIO_CFG139_ADDR); |
| 201 | writel(0x144, GPIO_CFG140_ADDR); |
| 202 | writel(0x144, GPIO_CFG141_ADDR); |
| 203 | writel(0x144, GPIO_CFG142_ADDR); |
| 204 | writel(0x144, GPIO_CFG143_ADDR); |
| 205 | writel(0x144, GPIO_CFG144_ADDR); |
| 206 | writel(0x144, GPIO_CFG145_ADDR); |
| 207 | writel(0x144, GPIO_CFG146_ADDR); |
| 208 | writel(0x144, GPIO_CFG147_ADDR); |
| 209 | writel(0x144, GPIO_CFG148_ADDR); |
| 210 | writel(0x144, GPIO_CFG149_ADDR); |
| 211 | writel(0x144, GPIO_CFG150_ADDR); |
| 212 | writel(0x147, GPIO_CFG151_ADDR); |
| 213 | writel(0x147, GPIO_CFG152_ADDR); |
| 214 | writel(0x147, GPIO_CFG153_ADDR); |
| 215 | writel(0x3, GPIO_CFG154_ADDR); |
| 216 | writel(0x147, GPIO_CFG155_ADDR); |
| 217 | writel(0x147, GPIO_CFG156_ADDR); |
| 218 | writel(0x147, GPIO_CFG157_ADDR); |
| 219 | writel(0x3, GPIO_CFG158_ADDR); |
| 220 | |
| 221 | writel(0x00000B31, EBI2_CHIP_SELECT_CFG0); |
| 222 | writel(0xA3030020, EBI2_XMEM_CS3_CFG1); |
| 223 | } |
| 224 | |
| 225 | void debug_led_write(char val) |
| 226 | { |
| 227 | writeb(val,SURF_DEBUG_LED_ADDR); |
| 228 | } |
| 229 | |
| 230 | char debug_led_read() |
| 231 | { |
| 232 | return readb(SURF_DEBUG_LED_ADDR); |
| 233 | } |