From eefcd91b30a0ee7ae2f0f3d03d4f4e667374443b Mon Sep 17 00:00:00 2001
From: Peng Fan <Peng.Fan@freescale.com>
Date: Tue, 10 Mar 2015 15:05:10 +0800
Subject: MLK-10774-33 imx:mx6 add udc and fastboot support

Add udc and fastboot support

We did not use the upstream way.
Currently use CI_UDC and USB_GAGDET of upstream can make fastboot work,
but lack of flash operation, so we still use our way.

Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Signed-off-by: Nitin Garg <nitin.garg@freescale.com>
Signed-off-by: Ye.Li <B37916@freescale.com>
---
 board/freescale/mx6sabresd/mx6sabresd.c | 131 +++++++++++++++++++++++++++++++-
 1 file changed, 130 insertions(+), 1 deletion(-)

(limited to 'board/freescale/mx6sabresd/mx6sabresd.c')

diff --git a/board/freescale/mx6sabresd/mx6sabresd.c b/board/freescale/mx6sabresd/mx6sabresd.c
index 0a6c29e..c3d8408 100644
--- a/board/freescale/mx6sabresd/mx6sabresd.c
+++ b/board/freescale/mx6sabresd/mx6sabresd.c
@@ -45,6 +45,12 @@
 #ifdef CONFIG_CMD_SATA
 #include <asm/imx-common/sata.h>
 #endif
+#ifdef CONFIG_FASTBOOT
+#include <fastboot.h>
+#ifdef CONFIG_ANDROID_RECOVERY
+#include <recovery.h>
+#endif
+#endif /*CONFIG_FASTBOOT*/
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -1185,11 +1191,134 @@ int checkboard(void)
 	return 0;
 }
 
+#ifdef CONFIG_FASTBOOT
+
+void board_fastboot_setup(void)
+{
+	switch (get_boot_device()) {
+#if defined(CONFIG_FASTBOOT_STORAGE_SATA)
+	case SATA_BOOT:
+		if (!getenv("fastboot_dev"))
+			setenv("fastboot_dev", "sata");
+		if (!getenv("bootcmd"))
+			setenv("bootcmd", "booti sata");
+		break;
+#endif /*CONFIG_FASTBOOT_STORAGE_SATA*/
+#if defined(CONFIG_FASTBOOT_STORAGE_MMC)
+	case SD2_BOOT:
+	case MMC2_BOOT:
+	    if (!getenv("fastboot_dev"))
+			setenv("fastboot_dev", "mmc0");
+	    if (!getenv("bootcmd"))
+			setenv("bootcmd", "booti mmc0");
+	    break;
+	case SD3_BOOT:
+	case MMC3_BOOT:
+	    if (!getenv("fastboot_dev"))
+			setenv("fastboot_dev", "mmc1");
+	    if (!getenv("bootcmd"))
+			setenv("bootcmd", "booti mmc1");
+	    break;
+	case MMC4_BOOT:
+	    if (!getenv("fastboot_dev"))
+			setenv("fastboot_dev", "mmc2");
+	    if (!getenv("bootcmd"))
+			setenv("bootcmd", "booti mmc2");
+	    break;
+#endif /*CONFIG_FASTBOOT_STORAGE_MMC*/
+	default:
+		printf("unsupported boot devices\n");
+		break;
+	}
+
+}
+
+#ifdef CONFIG_ANDROID_RECOVERY
+
+#define GPIO_VOL_DN_KEY IMX_GPIO_NR(1, 5)
+iomux_v3_cfg_t const recovery_key_pads[] = {
+	(MX6_PAD_GPIO_5__GPIO1_IO05 | MUX_PAD_CTRL(NO_PAD_CTRL)),
+};
+
+int check_recovery_cmd_file(void)
+{
+    int button_pressed = 0;
+    int recovery_mode = 0;
+
+    recovery_mode = recovery_check_and_clean_flag();
+
+    /* Check Recovery Combo Button press or not. */
+	imx_iomux_v3_setup_multiple_pads(recovery_key_pads,
+			ARRAY_SIZE(recovery_key_pads));
+
+    gpio_direction_input(GPIO_VOL_DN_KEY);
+
+    if (gpio_get_value(GPIO_VOL_DN_KEY) == 0) { /* VOL_DN key is low assert */
+		button_pressed = 1;
+		printf("Recovery key pressed\n");
+    }
+
+    return recovery_mode || button_pressed;
+}
+
+void board_recovery_setup(void)
+{
+	int bootdev = get_boot_device();
+
+	switch (bootdev) {
+#if defined(CONFIG_FASTBOOT_STORAGE_SATA)
+	case SATA_BOOT:
+		if (!getenv("bootcmd_android_recovery"))
+			setenv("bootcmd_android_recovery",
+				"booti sata recovery");
+		break;
+#endif /*CONFIG_FASTBOOT_STORAGE_SATA*/
+#if defined(CONFIG_FASTBOOT_STORAGE_MMC)
+	case SD2_BOOT:
+	case MMC2_BOOT:
+		if (!getenv("bootcmd_android_recovery"))
+			setenv("bootcmd_android_recovery",
+				"booti mmc0 recovery");
+		break;
+	case SD3_BOOT:
+	case MMC3_BOOT:
+		if (!getenv("bootcmd_android_recovery"))
+			setenv("bootcmd_android_recovery",
+				"booti mmc1 recovery");
+		break;
+	case MMC4_BOOT:
+		if (!getenv("bootcmd_android_recovery"))
+			setenv("bootcmd_android_recovery",
+				"booti mmc2 recovery");
+		break;
+#endif /*CONFIG_FASTBOOT_STORAGE_MMC*/
+	default:
+		printf("Unsupported bootup device for recovery: dev: %d\n",
+			bootdev);
+		return;
+	}
+
+	printf("setup env for recovery..\n");
+	setenv("bootcmd", "run bootcmd_android_recovery");
+}
+
+#endif /*CONFIG_ANDROID_RECOVERY*/
+
+#endif /*CONFIG_FASTBOOT*/
+
 #ifdef CONFIG_IMX_UDC
 iomux_v3_cfg_t const otg_udc_pads[] = {
 	(MX6_PAD_ENET_RX_ER__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL)),
 };
-#endif
+void udc_pins_setting(void)
+{
+	imx_iomux_v3_setup_multiple_pads(otg_udc_pads,
+					 ARRAY_SIZE(otg_udc_pads));
+
+	/*set daisy chain for otg_pin_id on 6q. for 6dl, this bit is reserved*/
+	imx_iomux_set_gpr_register(1, 13, 1, 0);
+}
+#endif /*CONFIG_IMX_UDC*/
 
 #ifdef CONFIG_SPL_BUILD
 #include <spl.h>
-- 
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