platform/target: Initial commit for thulium bringup

Add support for target and platform implementation for
thulium.

Change-Id: I4ca7191697ac5a7518dcfadaf812d793e5ce1d48
diff --git a/target/thulium/init.c b/target/thulium/init.c
new file mode 100644
index 0000000..c1b13bb
--- /dev/null
+++ b/target/thulium/init.c
@@ -0,0 +1,351 @@
+/* Copyright (c) 2014, 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/irqs.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 <clock.h>
+#include <partition_parser.h>
+#include <scm.h>
+#include <platform/clock.h>
+#include <platform/gpio.h>
+#include <platform/timer.h>
+#include <stdlib.h>
+#include <ufs.h>
+#include <boot_device.h>
+#include <qmp_phy.h>
+
+#define PMIC_ARB_CHANNEL_NUM    0
+#define PMIC_ARB_OWNER_ID       0
+
+static void set_sdc_power_ctrl(void);
+static uint32_t mmc_pwrctl_base[] =
+	{ MSM_SDC1_BASE, MSM_SDC2_BASE };
+
+static uint32_t mmc_sdhci_base[] =
+	{ MSM_SDC1_SDHCI_BASE, MSM_SDC2_SDHCI_BASE };
+
+static uint32_t  mmc_sdc_pwrctl_irq[] =
+	{ SDCC1_PWRCTL_IRQ, SDCC2_PWRCTL_IRQ };
+
+struct mmc_device *dev;
+struct ufs_dev ufs_device;
+
+extern void ulpi_write(unsigned val, unsigned reg);
+
+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;
+	struct pm8x41_gpio gpio;
+
+	/* Configure the GPIO */
+	gpio.direction = PM_GPIO_DIR_IN;
+	gpio.function  = 0;
+	gpio.pull      = PM_GPIO_PULL_UP_30;
+	gpio.vin_sel   = 2;
+
+	pm8x41_gpio_config(2, &gpio);
+
+	/* Wait for the pmic gpio config to take effect */
+	thread_sleep(1);
+
+	/* Get status of P_GPIO_5 */
+	pm8x41_gpio_get(3, &status);
+
+	return !status; /* active low */
+}
+
+/* Return 1 if vol_down pressed */
+uint32_t target_volume_down()
+{
+	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_uninit(void)
+{
+	if (platform_boot_dev_isemmc())
+	{
+		mmc_put_card_to_sleep(dev);
+		/* Disable HC mode before jumping to kernel */
+		sdhci_mode_disable(&dev->host);
+	}
+}
+
+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_HDRV_PULL_CTL },
+		{ SDC1_CMD_HDRV_CTL_OFF,  TLMM_CUR_VAL_10MA, TLMM_HDRV_MASK, SDC1_HDRV_PULL_CTL },
+		{ SDC1_DATA_HDRV_CTL_OFF, TLMM_CUR_VAL_10MA, TLMM_HDRV_MASK, SDC1_HDRV_PULL_CTL },
+	};
+
+	/* Pull configs for sdc pins */
+	struct tlmm_cfgs sdc1_pull_cfg[] =
+	{
+		{ SDC1_CLK_PULL_CTL_OFF,  TLMM_NO_PULL, TLMM_PULL_MASK, SDC1_HDRV_PULL_CTL },
+		{ SDC1_CMD_PULL_CTL_OFF,  TLMM_PULL_UP, TLMM_PULL_MASK, SDC1_HDRV_PULL_CTL },
+		{ SDC1_DATA_PULL_CTL_OFF, TLMM_PULL_UP, TLMM_PULL_MASK, SDC1_HDRV_PULL_CTL },
+	};
+
+	struct tlmm_cfgs sdc1_rclk_cfg[] =
+	{
+		{ SDC1_RCLK_PULL_CTL_OFF, TLMM_PULL_DOWN, TLMM_PULL_MASK, SDC1_HDRV_PULL_CTL },
+	};
+
+	/* 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));
+	tlmm_set_pull_ctrl(sdc1_rclk_cfg, ARRAY_SIZE(sdc1_rclk_cfg));
+}
+
+void target_sdc_init()
+{
+	struct mmc_config_data config = {0};
+
+	/* Set drive strength & pull ctrl values */
+	set_sdc_power_ctrl();
+
+	config.bus_width = DATA_BUS_WIDTH_8BIT;
+	config.max_clk_rate = MMC_CLK_192MHZ;
+
+	/* Try slot 1*/
+	config.slot = 1;
+	config.sdhc_base = mmc_sdhci_base[config.slot - 1];
+	config.pwrctl_base = mmc_pwrctl_base[config.slot - 1];
+	config.pwr_irq     = mmc_sdc_pwrctl_irq[config.slot - 1];
+
+	if (!(dev = mmc_init(&config)))
+	{
+		/* Try slot 2 */
+		config.slot = 2;
+		config.max_clk_rate = MMC_CLK_200MHZ;
+		config.sdhc_base = mmc_sdhci_base[config.slot - 1];
+		config.pwrctl_base = mmc_pwrctl_base[config.slot - 1];
+		config.pwr_irq     = mmc_sdc_pwrctl_irq[config.slot - 1];
+
+		if (!(dev = mmc_init(&config)))
+		{
+			dprintf(CRITICAL, "mmc init failed!");
+			ASSERT(0);
+		}
+	}
+}
+
+void *target_mmc_device()
+{
+	if (platform_boot_dev_isemmc())
+		return (void *) dev;
+	else
+		return (void *) &ufs_device;
+}
+
+void target_init(void)
+{
+	dprintf(INFO, "target_init()\n");
+
+	spmi_init(PMIC_ARB_CHANNEL_NUM, PMIC_ARB_OWNER_ID);
+
+	target_keystatus();
+
+	if (target_use_signed_kernel())
+		target_crypto_init_params();
+
+	platform_read_boot_config();
+
+	if (platform_boot_dev_isemmc())
+	{
+		target_sdc_init();
+	}
+	else
+	{
+		ufs_device.base = UFS_BASE;
+		ufs_init(&ufs_device);
+	}
+
+	/* Storage 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;
+}
+
+/* Detect the target type */
+void target_detect(struct board_data *board)
+{
+	/* This is filled from board.c */
+}
+
+/* Detect the modem type */
+void target_baseband_detect(struct board_data *board)
+{
+	uint32_t platform;
+
+	platform = board->platform;
+
+	switch(platform) {
+	case MSMTHULIUM:
+		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)
+{
+	unsigned int 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;
+	uint32_t restart_reason_addr;
+
+	restart_reason_addr = RESTART_REASON_ADDR;
+
+	/* 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)
+{
+	uint8_t reset_type = 0;
+
+	/* Write the reboot reason */
+	writel(reboot_reason, RESTART_REASON_ADDR);
+
+	if(reboot_reason)
+		reset_type = PON_PSHOLD_WARM_RESET;
+	else
+		reset_type = PON_PSHOLD_HARD_RESET;
+
+	pm8x41_reset_configure(reset_type);
+
+	/* Drop PS_HOLD for MSM */
+	writel(0x00, MPM2_MPM_PS_HOLD);
+
+	mdelay(5000);
+
+	dprintf(CRITICAL, "Rebooting failed\n");
+}
+
+int emmc_recovery_init(void)
+{
+	return _emmc_recovery_init();
+}
+
+void target_usb_phy_reset()
+{
+	usb30_qmp_phy_reset();
+	qusb2_phy_reset();
+}
+
+target_usb_iface_t* target_usb30_init()
+{
+	target_usb_iface_t *t_usb_iface;
+
+	t_usb_iface = calloc(1, sizeof(target_usb_iface_t));
+	ASSERT(t_usb_iface);
+
+	t_usb_iface->phy_init   = usb30_qmp_phy_init;
+	t_usb_iface->phy_reset  = target_usb_phy_reset;
+	t_usb_iface->clock_init = clock_usb30_init;
+	t_usb_iface->vbus_override = 1;
+
+	return t_usb_iface;
+}
+
+/* identify the usb controller to be used for the target */
+const char * target_usb_controller()
+{
+	return "dwc";
+}
+
+uint32_t target_override_pll()
+{
+	return 1;
+}
+
+void target_fastboot_init(void)
+{
+	/* We are entering fastboot mode, so read partition table */
+	mmc_read_partition_table(1);
+}