| /* |
| * Copyright (c) 2009, Google Inc. |
| * All rights reserved. |
| * Copyright (c) 2009-2011, 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 <lib/ptable.h> |
| #include <smem.h> |
| #include <platform/iomap.h> |
| #include <reg.h> |
| #include <dev/keys.h> |
| |
| #define LINUX_MACHTYPE_8960_SIM 3230 |
| #define LINUX_MACHTYPE_8960_RUMI3 3231 |
| #define LINUX_MACHTYPE_8960_CDP 3396 |
| #define LINUX_MACHTYPE_8960_MTP 3397 |
| #define LINUX_MACHTYPE_8960_FLUID 3398 |
| #define LINUX_MACHTYPE_8960_APQ 3399 |
| |
| extern unsigned int mmc_boot_main(unsigned char slot, unsigned int base); |
| extern void mdelay(unsigned msecs); |
| extern void dmb(void); |
| extern void keypad_init(void); |
| |
| static unsigned mmc_sdc_base[] = { MSM_SDC1_BASE, MSM_SDC2_BASE, MSM_SDC3_BASE, MSM_SDC4_BASE}; |
| |
| void target_init(void) |
| { |
| unsigned base_addr; |
| unsigned char slot; |
| dprintf(INFO, "target_init()\n"); |
| |
| /* Keypad init */ |
| keys_init(); |
| keypad_init(); |
| |
| /* Trying Slot 1 first */ |
| slot = 1; |
| base_addr = mmc_sdc_base[slot-1]; |
| if(mmc_boot_main(slot, base_addr)) |
| { |
| /* Trying Slot 3 next */ |
| slot = 3; |
| base_addr = mmc_sdc_base[slot-1]; |
| if(mmc_boot_main(slot, base_addr)) |
| { |
| dprintf(CRITICAL, "mmc init failed!"); |
| ASSERT(0); |
| } |
| } |
| } |
| |
| unsigned board_machtype(void) |
| { |
| struct smem_board_info_v5 board_info_v5; |
| struct smem_board_info_v6 board_info_v6; |
| unsigned int board_info_len = 0; |
| unsigned smem_status = 0; |
| unsigned format = 0; |
| unsigned id = 0; |
| unsigned mach_id = LINUX_MACHTYPE_8960_RUMI3; |
| |
| /* Until the bootchain is in, return CDP id. */ |
| return LINUX_MACHTYPE_8960_CDP; |
| |
| 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) |
| { |
| id = board_info_v5.board_info_v3.hw_platform; |
| } |
| } |
| else if (format == 6) |
| { |
| board_info_len = sizeof(board_info_v6); |
| |
| smem_status = smem_read_alloc_entry(SMEM_BOARD_INFO_LOCATION, |
| &board_info_v6, board_info_len); |
| if(!smem_status) |
| { |
| id = board_info_v6.board_info_v3.hw_platform; |
| } |
| } |
| } |
| |
| /* Detect virtio vs rumi */ |
| switch(id) |
| { |
| case HW_PLATFORM_SURF: |
| mach_id = LINUX_MACHTYPE_8960_RUMI3; |
| break; |
| case HW_PLATFORM_FFA: |
| mach_id = LINUX_MACHTYPE_8960_SIM; |
| break; |
| default: |
| mach_id = LINUX_MACHTYPE_8960_SIM; |
| }; |
| |
| 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 = (void*)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) |
| { |
| } |