271 lines
6.3 KiB
C
271 lines
6.3 KiB
C
|
/* Copyright (c) 2013, The Linux Foundation. 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 The Linux Foundation 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 "AS IS" AND ANY EXPRESS OR IMPLIED
|
||
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
|
||
|
* 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 <platform/iomap.h>
|
||
|
#include <reg.h>
|
||
|
#include <target.h>
|
||
|
#include <platform.h>
|
||
|
#include <uart_dm.h>
|
||
|
#include <mmc.h>
|
||
|
#include <platform/gpio.h>
|
||
|
#include <spmi.h>
|
||
|
#include <board.h>
|
||
|
#include <smem.h>
|
||
|
#include <baseband.h>
|
||
|
#include <dev/keys.h>
|
||
|
#include <pm8x41.h>
|
||
|
#include <hsusb.h>
|
||
|
#include <kernel/thread.h>
|
||
|
|
||
|
#define PMIC_ARB_CHANNEL_NUM 0
|
||
|
#define PMIC_ARB_OWNER_ID 0
|
||
|
|
||
|
#define TLMM_VOL_UP_BTN_GPIO 72
|
||
|
|
||
|
static uint32_t mmc_sdc_base[] =
|
||
|
{ MSM_SDC1_BASE, MSM_SDC2_BASE };
|
||
|
|
||
|
void target_early_init(void)
|
||
|
{
|
||
|
#if WITH_DEBUG_UART
|
||
|
uart_dm_init(2, 0, BLSP1_UART1_BASE);
|
||
|
#endif
|
||
|
}
|
||
|
|
||
|
/* Return 1 if vol_up pressed */
|
||
|
static int target_volume_up()
|
||
|
{
|
||
|
uint8_t status = 0;
|
||
|
|
||
|
gpio_tlmm_config(TLMM_VOL_UP_BTN_GPIO, 0, GPIO_INPUT, GPIO_PULL_UP, GPIO_2MA, GPIO_ENABLE);
|
||
|
|
||
|
/* Wait for the configuration to complete.*/
|
||
|
thread_sleep(1);
|
||
|
/* Get status of GPIO */
|
||
|
status = gpio_status(TLMM_VOL_UP_BTN_GPIO);
|
||
|
|
||
|
/* Active low signal. */
|
||
|
return !status;
|
||
|
}
|
||
|
|
||
|
/* Return 1 if vol_down pressed */
|
||
|
uint32_t target_volume_down()
|
||
|
{
|
||
|
/* Volume down button tied in with PMIC RESIN. */
|
||
|
return pm8x41_resin_status();
|
||
|
}
|
||
|
|
||
|
static void target_keystatus()
|
||
|
{
|
||
|
keys_init();
|
||
|
|
||
|
if(target_volume_down())
|
||
|
keys_post_event(KEY_VOLUMEDOWN, 1);
|
||
|
|
||
|
if(target_volume_up())
|
||
|
keys_post_event(KEY_VOLUMEUP, 1);
|
||
|
}
|
||
|
|
||
|
void target_init(void)
|
||
|
{
|
||
|
uint32_t base_addr;
|
||
|
uint8_t slot;
|
||
|
|
||
|
dprintf(INFO, "target_init()\n");
|
||
|
|
||
|
spmi_init(PMIC_ARB_CHANNEL_NUM, PMIC_ARB_OWNER_ID);
|
||
|
|
||
|
target_keystatus();
|
||
|
|
||
|
/* Trying Slot 1*/
|
||
|
slot = 1;
|
||
|
base_addr = mmc_sdc_base[slot - 1];
|
||
|
|
||
|
if (mmc_boot_main(slot, base_addr))
|
||
|
{
|
||
|
/* Trying Slot 2 next */
|
||
|
slot = 2;
|
||
|
base_addr = mmc_sdc_base[slot - 1];
|
||
|
|
||
|
if (mmc_boot_main(slot, base_addr))
|
||
|
{
|
||
|
dprintf(CRITICAL, "mmc init failed!");
|
||
|
ASSERT(0);
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/* Do any target specific intialization needed before entering fastboot mode */
|
||
|
void target_fastboot_init(void)
|
||
|
{
|
||
|
/* Set the BOOT_DONE flag in PM8110 */
|
||
|
pm8x41_set_boot_done();
|
||
|
}
|
||
|
|
||
|
/* Detect the target type */
|
||
|
void target_detect(struct board_data *board)
|
||
|
{
|
||
|
board->target = LINUX_MACHTYPE_UNKNOWN;
|
||
|
}
|
||
|
|
||
|
/* Detect the modem type */
|
||
|
void target_baseband_detect(struct board_data *board)
|
||
|
{
|
||
|
uint32_t platform;
|
||
|
uint32_t platform_subtype;
|
||
|
|
||
|
platform = board->platform;
|
||
|
platform_subtype = board->platform_subtype;
|
||
|
|
||
|
/*
|
||
|
* Look for platform subtype if present, else
|
||
|
* check for platform type to decide on the
|
||
|
* baseband type
|
||
|
*/
|
||
|
switch(platform_subtype)
|
||
|
{
|
||
|
case HW_PLATFORM_SUBTYPE_UNKNOWN:
|
||
|
break;
|
||
|
default:
|
||
|
dprintf(CRITICAL, "Platform Subtype : %u is not supported\n", platform_subtype);
|
||
|
ASSERT(0);
|
||
|
};
|
||
|
|
||
|
switch(platform)
|
||
|
{
|
||
|
case MSM8610:
|
||
|
case MSM8110:
|
||
|
case MSM8210:
|
||
|
case MSM8810:
|
||
|
case MSM8612:
|
||
|
case MSM8212:
|
||
|
case MSM8812:
|
||
|
board->baseband = BASEBAND_MSM;
|
||
|
break;
|
||
|
default:
|
||
|
dprintf(CRITICAL, "Platform type: %u is not supported\n", platform);
|
||
|
ASSERT(0);
|
||
|
};
|
||
|
}
|
||
|
|
||
|
unsigned target_baseband()
|
||
|
{
|
||
|
return board_baseband();
|
||
|
}
|
||
|
|
||
|
void target_serialno(unsigned char *buf)
|
||
|
{
|
||
|
uint32_t serialno;
|
||
|
if (target_is_emmc_boot()) {
|
||
|
serialno = mmc_get_psn();
|
||
|
snprintf((char *)buf, 13, "%x", serialno);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
unsigned check_reboot_mode(void)
|
||
|
{
|
||
|
uint32_t restart_reason = 0;
|
||
|
|
||
|
/* Read reboot reason and scrub it */
|
||
|
restart_reason = readl(RESTART_REASON_ADDR);
|
||
|
writel(0x00, RESTART_REASON_ADDR);
|
||
|
|
||
|
return restart_reason;
|
||
|
}
|
||
|
|
||
|
void reboot_device(unsigned reboot_reason)
|
||
|
{
|
||
|
writel(reboot_reason, RESTART_REASON_ADDR);
|
||
|
|
||
|
/* Configure PMIC for warm reset */
|
||
|
pm8x41_reset_configure(PON_PSHOLD_WARM_RESET);
|
||
|
|
||
|
/* Drop PS_HOLD for MSM */
|
||
|
writel(0x00, MPM2_MPM_PS_HOLD);
|
||
|
|
||
|
mdelay(5000);
|
||
|
|
||
|
dprintf(CRITICAL, "Rebooting failed\n");
|
||
|
}
|
||
|
|
||
|
unsigned target_pause_for_battery_charge(void)
|
||
|
{
|
||
|
uint8_t pon_reason = pm8x41_get_pon_reason();
|
||
|
|
||
|
/* This function will always return 0 to facilitate
|
||
|
* automated testing/reboot with usb connected.
|
||
|
* uncomment if this feature is needed.
|
||
|
*/
|
||
|
/* if ((pon_reason == USB_CHG) || (pon_reason == DC_CHG))
|
||
|
* return 1;
|
||
|
*/
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
void target_usb_stop(void)
|
||
|
{
|
||
|
/* Disable VBUS mimicing in the controller. */
|
||
|
ulpi_write(ULPI_MISC_A_VBUSVLDEXTSEL | ULPI_MISC_A_VBUSVLDEXT, ULPI_MISC_A_CLEAR);
|
||
|
}
|
||
|
|
||
|
void target_usb_init(void)
|
||
|
{
|
||
|
uint32_t val;
|
||
|
|
||
|
/* Select and enable external configuration with USB PHY */
|
||
|
ulpi_write(ULPI_MISC_A_VBUSVLDEXTSEL | ULPI_MISC_A_VBUSVLDEXT, ULPI_MISC_A_SET);
|
||
|
|
||
|
/* Enable sess_vld */
|
||
|
val = readl(USB_GENCONFIG_2) | GEN2_SESS_VLD_CTRL_EN;
|
||
|
writel(val, USB_GENCONFIG_2);
|
||
|
|
||
|
/* Enable external vbus configuration in the LINK */
|
||
|
val = readl(USB_USBCMD);
|
||
|
val |= SESS_VLD_CTRL;
|
||
|
writel(val, USB_USBCMD);
|
||
|
}
|
||
|
|
||
|
|
||
|
unsigned board_machtype(void)
|
||
|
{
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* Function to set the capabilities for the host
|
||
|
*/
|
||
|
void target_mmc_caps(struct mmc_host *host)
|
||
|
{
|
||
|
host->caps.ddr_mode = 0;
|
||
|
host->caps.hs200_mode = 0;
|
||
|
host->caps.bus_width = MMC_BOOT_BUS_WIDTH_8_BIT;
|
||
|
host->caps.hs_clk_rate = MMC_CLK_50MHZ;
|
||
|
}
|