Merge branch 'master' of git://www.denx.de/git/u-boot-microblaze

4 files changed, 92 insertions, 1 deletions

diff --git a/arch/arm/cpu/armv8/zynqmp/Kconfig b/arch/arm/cpu/armv8/zynqmp/Kconfig
index e703991..1eedb39 100644
--- a/arch/arm/cpu/armv8/zynqmp/Kconfig
+++ b/arch/arm/cpu/armv8/zynqmp/Kconfig
@@ -47,5 +47,53 @@ config ZYNQMP_USB
 config SYS_MALLOC_F_LEN
 	default 0x600
 
+config SPL_ZYNQMP_ALT_BOOTMODE_ENABLED
+	bool "Overwrite SPL bootmode"
+	depends on SPL
+	help
+	  Overwrite bootmode selected via boot mode pins to tell SPL what should
+	  be the next boot device.
+
+config SPL_ZYNQMP_ALT_BOOTMODE
+	hex
+	default 0x0 if JTAG_MODE
+	default 0x1 if QSPI_MODE_24BIT
+	default 0x2 if QSPI_MODE_32BIT
+	default 0x3 if SD_MODE
+	default 0x4 if NAND_MODE
+	default 0x5 if SD_MODE1
+	default 0x6 if EMMC_MODE
+	default 0x7 if USB_MODE
+
+choice
+	prompt "Boot mode"
+	depends on ZYNQMP_ALT_BOOTMODE_ENABLED
+	default JTAG
+
+config JTAG_MODE
+	bool "JTAG_MODE"
+
+config QSPI_MODE_24BIT
+	bool "QSPI_MODE_24BIT"
+
+config QSPI_MODE_32BIT
+	bool "QSPI_MODE_32BIT"
+
+config SD_MODE
+	bool "SD_MODE"
+
+config SD_MODE1
+	bool "SD_MODE1"
+
+config NAND_MODE
+	bool "NAND_MODE"
+
+config EMMC_MODE
+	bool "EMMC_MODE"
+
+config USB_MODE
+	bool "USB"
+
+endchoice
 
 endif
diff --git a/arch/arm/cpu/armv8/zynqmp/spl.c b/arch/arm/cpu/armv8/zynqmp/spl.c
index 867d2b2..04e1905 100644
--- a/arch/arm/cpu/armv8/zynqmp/spl.c
+++ b/arch/arm/cpu/armv8/zynqmp/spl.c
@@ -35,10 +35,29 @@ void board_init_f(ulong dummy)
 	board_init_r(NULL, 0);
 }
 
+static void ps_mode_reset(ulong mode)
+{
+	writel(mode << ZYNQMP_CRL_APB_BOOT_PIN_CTRL_OUT_EN_SHIFT,
+	       &crlapb_base->boot_pin_ctrl);
+	udelay(5);
+	writel(mode << ZYNQMP_CRL_APB_BOOT_PIN_CTRL_OUT_VAL_SHIFT |
+	       mode << ZYNQMP_CRL_APB_BOOT_PIN_CTRL_OUT_EN_SHIFT,
+	       &crlapb_base->boot_pin_ctrl);
+}
+
+/*
+ * Set default PS_MODE1 which is used for USB ULPI phy reset
+ * Also other resets can be connected to this certain pin
+ */
+#ifndef MODE_RESET
+# define MODE_RESET	PS_MODE1
+#endif
+
 #ifdef CONFIG_SPL_BOARD_INIT
 void spl_board_init(void)
 {
 	preloader_console_init();
+	ps_mode_reset(MODE_RESET);
 	board_init();
 }
 #endif
@@ -48,6 +67,13 @@ u32 spl_boot_device(void)
 	u32 reg = 0;
 	u8 bootmode;
 
+#if defined(CONFIG_SPL_ZYNQMP_ALT_BOOTMODE_ENABLED)
+	/* Change default boot mode at run-time */
+	writel(BOOT_MODE_USE_ALT |
+	       CONFIG_SPL_ZYNQMP_ALT_BOOTMODE << BOOT_MODE_ALT_SHIFT,
+	       &crlapb_base->boot_mode);
+#endif
+
 	reg = readl(&crlapb_base->boot_mode);
 	bootmode = reg & BOOT_MODES_MASK;
 
@@ -60,6 +86,10 @@ u32 spl_boot_device(void)
 	case SD_MODE1:
 		return BOOT_DEVICE_MMC1;
 #endif
+#ifdef CONFIG_SPL_DFU_SUPPORT
+	case USB_MODE:
+		return BOOT_DEVICE_DFU;
+#endif
 	default:
 		printf("Invalid Boot Mode:0x%x\n", bootmode);
 		break;
diff --git a/arch/arm/include/asm/arch-zynqmp/hardware.h b/arch/arm/include/asm/arch-zynqmp/hardware.h
index 35964d6..456c1b0 100644
--- a/arch/arm/include/asm/arch-zynqmp/hardware.h
+++ b/arch/arm/include/asm/arch-zynqmp/hardware.h
@@ -25,6 +25,13 @@
 
 #define ZYNQMP_CRL_APB_BASEADDR	0xFF5E0000
 #define ZYNQMP_CRL_APB_TIMESTAMP_REF_CTRL_CLKACT	0x1000000
+#define ZYNQMP_CRL_APB_BOOT_PIN_CTRL_OUT_EN_SHIFT	0
+#define ZYNQMP_CRL_APB_BOOT_PIN_CTRL_OUT_VAL_SHIFT	8
+
+#define PS_MODE0	BIT(0)
+#define PS_MODE1	BIT(1)
+#define PS_MODE2	BIT(2)
+#define PS_MODE3	BIT(3)
 
 struct crlapb_regs {
 	u32 reserved0[36];
@@ -35,7 +42,9 @@ struct crlapb_regs {
 	u32 boot_mode; /* 0x200 */
 	u32 reserved3[14];
 	u32 rst_lpd_top; /* 0x23C */
-	u32 reserved4[26];
+	u32 reserved4[4];
+	u32 boot_pin_ctrl; /* 0x250 */
+	u32 reserved5[21];
 };
 
 #define crlapb_base ((struct crlapb_regs *)ZYNQMP_CRL_APB_BASEADDR)
@@ -69,7 +78,10 @@ struct iou_scntr_secure {
 #define SD_MODE1	0x00000005 /* sd 1 */
 #define NAND_MODE	0x00000004
 #define EMMC_MODE	0x00000006
+#define USB_MODE	0x00000007
 #define JTAG_MODE	0x00000000
+#define BOOT_MODE_USE_ALT	0x100
+#define BOOT_MODE_ALT_SHIFT	12
 
 #define ZYNQMP_IOU_SLCR_BASEADDR	0xFF180000
 
diff --git a/arch/arm/include/asm/spl.h b/arch/arm/include/asm/spl.h
index 19c38f4..6f312d6 100644
--- a/arch/arm/include/asm/spl.h
+++ b/arch/arm/include/asm/spl.h
@@ -28,6 +28,7 @@ enum {
 	BOOT_DEVICE_SATA,
 	BOOT_DEVICE_I2C,
 	BOOT_DEVICE_BOARD,
+	BOOT_DEVICE_DFU,
 	BOOT_DEVICE_NONE
 };
 #endif