| /* |
| * Copyright (c) 2009, Google Inc. |
| * All rights reserved. |
| * Copyright (c) 2009-2010, Code Aurora Forum. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google, Inc. nor the names of its contributors |
| * may be used to endorse or promote products derived from this |
| * software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #include <debug.h> |
| #include <dev/keys.h> |
| #include <dev/gpio_keypad.h> |
| #include <lib/ptable.h> |
| #include <dev/flash.h> |
| #include <smem.h> |
| #include <platform/iomap.h> |
| #include <reg.h> |
| |
| #define LINUX_MACHTYPE_8660_SURF 1009002 |
| #define LINUX_MACHTYPE_8660_FFA 1009003 |
| #define LINUX_MACHTYPE_8660_FLUID 1009004 |
| #define LINUX_MACHTYPE_8660_CHARM_SURF 3181 |
| #define LINUX_MACHTYPE_8660_CHARM_FFA 3199 |
| |
| void keypad_init(void); |
| |
| static int emmc_boot = -1; /* set to uninitialized */ |
| int target_is_emmc_boot(void); |
| void debug_led_write(char); |
| char debug_led_read(); |
| uint32_t platform_id_read (void); |
| |
| void target_init(void) |
| { |
| |
| dprintf(INFO, "target_init()\n"); |
| |
| setup_fpga(); |
| |
| /* Setting Debug LEDs ON */ |
| debug_led_write(0xFF); |
| #if (!ENABLE_NANDWRITE) |
| keys_init(); |
| keypad_init(); |
| #endif |
| if(mmc_boot_main(MMC_SLOT,MSM_SDC1_BASE)) |
| { |
| dprintf(CRITICAL, "mmc init failed!"); |
| ASSERT(0); |
| } |
| } |
| |
| unsigned board_machtype(void) |
| { |
| struct smem_board_info_v5 board_info_v5; |
| unsigned int board_info_len = 0; |
| unsigned smem_status = 0; |
| unsigned format = 0; |
| unsigned id = 0; |
| unsigned hw_platform = 0; |
| unsigned fused_chip = 0; |
| unsigned mach_id = LINUX_MACHTYPE_8660_FFA; |
| |
| /* Detect external msm if this is a "fusion" */ |
| smem_status = smem_read_alloc_entry_offset(SMEM_BOARD_INFO_LOCATION, |
| &format, sizeof(format), 0); |
| if(!smem_status) |
| { |
| if (format >= 5) |
| { |
| board_info_len = sizeof(board_info_v5); |
| |
| smem_status = smem_read_alloc_entry(SMEM_BOARD_INFO_LOCATION, |
| &board_info_v5, board_info_len); |
| if(!smem_status) |
| { |
| fused_chip = board_info_v5.fused_chip; |
| } |
| } |
| } |
| |
| /* Detect SURF v/s FFA v/s Fluid */ |
| id = board_info_v5.board_info_v3.hw_platform; |
| switch(id) |
| { |
| case 0x1: |
| hw_platform = HW_PLATFORM_SURF; |
| break; |
| case 0x2: |
| hw_platform = HW_PLATFORM_FFA; |
| break; |
| case 0x3: |
| hw_platform = HW_PLATFORM_FLUID; |
| break; |
| default: |
| /* Writing to Debug LED register and reading back to auto detect |
| SURF and FFA. If we read back, it is SURF */ |
| debug_led_write(0xA5); |
| |
| if((debug_led_read() & 0xFF) == 0xA5) |
| { |
| debug_led_write(0); |
| hw_platform = HW_PLATFORM_SURF; |
| } |
| else |
| hw_platform = HW_PLATFORM_FFA; |
| }; |
| |
| /* Use hw_platform and fused_chip information to determine machine id */ |
| switch(fused_chip) |
| { |
| case UNKNOWN: |
| if (hw_platform == HW_PLATFORM_SURF) |
| mach_id = LINUX_MACHTYPE_8660_SURF; |
| else if (hw_platform == HW_PLATFORM_FFA) |
| mach_id = LINUX_MACHTYPE_8660_FFA; |
| else if (hw_platform == HW_PLATFORM_FLUID) |
| mach_id = LINUX_MACHTYPE_8660_FLUID; |
| break; |
| |
| case MDM9200: |
| case MDM9600: |
| if (hw_platform == HW_PLATFORM_SURF) |
| mach_id = LINUX_MACHTYPE_8660_CHARM_SURF; |
| else if (hw_platform == HW_PLATFORM_FFA) |
| mach_id = LINUX_MACHTYPE_8660_CHARM_FFA; |
| break; |
| |
| default: |
| mach_id = LINUX_MACHTYPE_8660_FFA; |
| } |
| |
| return mach_id; |
| } |
| |
| void reboot_device(unsigned reboot_reason) |
| { |
| /* Reset WDG0 counter */ |
| writel(1,MSM_WDT0_RST); |
| /* Disable WDG0 */ |
| writel(0,MSM_WDT0_EN); |
| /* Set WDG0 bark time */ |
| writel(0x31F3,MSM_WDT0_BT); |
| /* Enable WDG0 */ |
| writel(3,MSM_WDT0_EN); |
| dmb(); |
| /* Enable WDG output */ |
| writel(3,MSM_TCSR_BASE + TCSR_WDOG_CFG); |
| mdelay(10000); |
| dprintf (CRITICAL, "Rebooting failed\n"); |
| return; |
| } |
| |
| unsigned check_reboot_mode(void) |
| { |
| unsigned restart_reason = 0; |
| void *restart_reason_addr = 0x401FFFFC; |
| |
| /* Read reboot reason and scrub it */ |
| restart_reason = readl(restart_reason_addr); |
| writel(0x00, restart_reason_addr); |
| |
| return restart_reason; |
| } |
| |
| void target_battery_charging_enable(unsigned enable, unsigned disconnect) |
| { |
| } |
| |
| void setup_fpga() |
| { |
| writel(0x147, GPIO_CFG133_ADDR); |
| writel(0x144, GPIO_CFG135_ADDR); |
| writel(0x144, GPIO_CFG136_ADDR); |
| writel(0x144, GPIO_CFG137_ADDR); |
| writel(0x144, GPIO_CFG138_ADDR); |
| writel(0x144, GPIO_CFG139_ADDR); |
| writel(0x144, GPIO_CFG140_ADDR); |
| writel(0x144, GPIO_CFG141_ADDR); |
| writel(0x144, GPIO_CFG142_ADDR); |
| writel(0x144, GPIO_CFG143_ADDR); |
| writel(0x144, GPIO_CFG144_ADDR); |
| writel(0x144, GPIO_CFG145_ADDR); |
| writel(0x144, GPIO_CFG146_ADDR); |
| writel(0x144, GPIO_CFG147_ADDR); |
| writel(0x144, GPIO_CFG148_ADDR); |
| writel(0x144, GPIO_CFG149_ADDR); |
| writel(0x144, GPIO_CFG150_ADDR); |
| writel(0x147, GPIO_CFG151_ADDR); |
| writel(0x147, GPIO_CFG152_ADDR); |
| writel(0x147, GPIO_CFG153_ADDR); |
| writel(0x3, GPIO_CFG154_ADDR); |
| writel(0x147, GPIO_CFG155_ADDR); |
| writel(0x147, GPIO_CFG156_ADDR); |
| writel(0x147, GPIO_CFG157_ADDR); |
| writel(0x3, GPIO_CFG158_ADDR); |
| |
| writel(0x00000B31, EBI2_CHIP_SELECT_CFG0); |
| writel(0xA3030020, EBI2_XMEM_CS3_CFG1); |
| } |
| |
| void debug_led_write(char val) |
| { |
| writeb(val,SURF_DEBUG_LED_ADDR); |
| } |
| |
| char debug_led_read() |
| { |
| return readb(SURF_DEBUG_LED_ADDR); |
| } |