target/apq8084/init.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 <platform/gpio.h>
#include <reg.h>
#include <target.h>
#include <platform.h>
#include <dload_util.h>
#include <uart_dm.h>
#include <mmc.h>
#include <spmi.h>
#include <board.h>
#include <smem.h>
#include <baseband.h>
#include <dev/keys.h>
#include <pm8x41.h>
#include <crypto5_wrapper.h>
#include <hsusb.h>
#include <clock.h>
#include <partition_parser.h>
#include <scm.h>
#include <platform/clock.h>
#include <platform/gpio.h>
#include <stdlib.h>

static uint32_t mmc_sdc_base[] =
	{ MSM_SDC1_BASE, MSM_SDC2_BASE, MSM_SDC3_BASE, MSM_SDC4_BASE };

void target_early_init(void)
{
#if WITH_DEBUG_UART
	uart_dm_init(1, 0, BLSP1_UART1_BASE);
#endif
}

/* Return 1 if vol_up pressed */
static int target_volume_up()
{
	return 0;
}

/* Return 1 if vol_down pressed */
uint32_t target_volume_down()
{
	return 0;
}

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);
}

static target_mmc_mci_init()
{
	uint32_t base_addr;
	uint8_t slot;

	slot = MMC_SLOT;
	base_addr = mmc_sdc_base[slot - 1];

	if (mmc_boot_main(slot, base_addr))
	{
		dprintf(CRITICAL, "mmc init failed!");
		ASSERT(0);
	}
}

/*
 * Function to set the capabilities for the host
 */
void target_mmc_caps(struct mmc_host *host)
{
	host->caps.bus_width = MMC_BOOT_BUS_WIDTH_8_BIT;
	host->caps.ddr_mode = 1;
	host->caps.hs200_mode = 1;
	host->caps.hs_clk_rate = MMC_CLK_96MHZ;
}

static void set_sdc_power_ctrl()
{
	/* Drive strength configs for sdc pins */
	struct tlmm_cfgs sdc1_hdrv_cfg[] =
	{
		{ SDC1_CLK_HDRV_CTL_OFF,  TLMM_CUR_VAL_16MA, TLMM_HDRV_MASK },
		{ SDC1_CMD_HDRV_CTL_OFF,  TLMM_CUR_VAL_10MA, TLMM_HDRV_MASK },
		{ SDC1_DATA_HDRV_CTL_OFF, TLMM_CUR_VAL_10MA, TLMM_HDRV_MASK },
	};

	/* Pull configs for sdc pins */
	struct tlmm_cfgs sdc1_pull_cfg[] =
	{
		{ SDC1_CLK_PULL_CTL_OFF,  TLMM_NO_PULL, TLMM_PULL_MASK },
		{ SDC1_CMD_PULL_CTL_OFF,  TLMM_PULL_UP, TLMM_PULL_MASK },
		{ SDC1_DATA_PULL_CTL_OFF, TLMM_PULL_UP, TLMM_PULL_MASK },
	};

	/* Set the drive strength & pull control values */
	tlmm_set_hdrive_ctrl(sdc1_hdrv_cfg, ARRAY_SIZE(sdc1_hdrv_cfg));
	tlmm_set_pull_ctrl(sdc1_pull_cfg, ARRAY_SIZE(sdc1_pull_cfg));
}

void target_init(void)
{
	dprintf(INFO, "target_init()\n");

	target_keystatus();

	/*
	 * Set drive strength & pull ctrl for
	 * emmc
	 */
	set_sdc_power_ctrl();

	target_mmc_mci_init();

	/*
	 * MMC initialization is complete, read the partition table info
	 */
	if (partition_read_table())
	{
		dprintf(CRITICAL, "Error reading the partition table info\n");
		ASSERT(0);
	}
}

unsigned board_machtype(void)
{
	return LINUX_MACHTYPE_UNKNOWN;
}

void target_fastboot_init(void)
{
	/* Set the BOOT_DONE flag in PM8921 */
}

/* 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)
{
}

unsigned target_baseband()
{
	return board_baseband();
}

void target_serialno(unsigned char *buf)
{
	unsigned int serialno;
	if (target_is_emmc_boot()) {
		serialno = mmc_get_psn();
		snprintf((char *)buf, 13, "%x", serialno);
	}
}

unsigned check_reboot_mode(void)
{
}

void reboot_device(unsigned reboot_reason)
{
}