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

15 files changed, 224 insertions, 2 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index bc55e5b1f5..8472d41565 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -465,6 +465,10 @@ config TARGET_WANDBOARD
 	bool "Support wandboard"
 	select CPU_V7
 
+config TARGET_WARP
+	bool "Support WaRP"
+	select CPU_V7
+
 config TARGET_TITANIUM
 	bool "Support titanium"
 	select CPU_V7
@@ -842,6 +846,7 @@ source "board/ttcontrol/vision2/Kconfig"
 source "board/udoo/Kconfig"
 source "board/vpac270/Kconfig"
 source "board/wandboard/Kconfig"
+source "board/warp/Kconfig"
 source "board/woodburn/Kconfig"
 source "board/xaeniax/Kconfig"
 source "board/xilinx/zynqmp/Kconfig"
diff --git a/arch/arm/cpu/arm1136/mx31/Makefile b/arch/arm/cpu/arm1136/mx31/Makefile
index 9670ed9382..dcbd57065b 100644
--- a/arch/arm/cpu/arm1136/mx31/Makefile
+++ b/arch/arm/cpu/arm1136/mx31/Makefile
@@ -8,3 +8,7 @@
 obj-y	+= generic.o
 obj-y	+= timer.o
 obj-y	+= devices.o
+
+ifndef CONFIG_SPL_BUILD
+obj-y  += relocate.o
+endif
diff --git a/arch/arm/cpu/arm1136/mx31/relocate.S b/arch/arm/cpu/arm1136/mx31/relocate.S
new file mode 100644
index 0000000000..1c556df71b
--- /dev/null
+++ b/arch/arm/cpu/arm1136/mx31/relocate.S
@@ -0,0 +1,23 @@
+/*
+ *  relocate - i.MX31-specific vector relocation
+ *
+ *  Copyright (c) 2013  Albert ARIBAUD <albert.u.boot@aribaud.net>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <linux/linkage.h>
+
+/*
+ * The i.MX31 SoC is very specific with respect to exceptions: it
+ * does not provide RAM at the high vectors address (0xFFFF0000),
+ * thus only the low address (0x00000000) is useable; but that is
+ * in ROM, so let's avoid relocating the vectors.
+ */
+	.section	.text.relocate_vectors,"ax",%progbits
+
+ENTRY(relocate_vectors)
+
+	bx	lr
+
+ENDPROC(relocate_vectors)
diff --git a/arch/arm/cpu/arm1136/mx35/Makefile b/arch/arm/cpu/arm1136/mx35/Makefile
index c533215c3a..796db9c7cc 100644
--- a/arch/arm/cpu/arm1136/mx35/Makefile
+++ b/arch/arm/cpu/arm1136/mx35/Makefile
@@ -10,3 +10,7 @@
 obj-y	+= generic.o
 obj-y	+= timer.o
 obj-y	+= mx35_sdram.o
+
+ifndef CONFIG_SPL_BUILD
+obj-y  += relocate.o
+endif
diff --git a/arch/arm/cpu/arm1136/mx35/relocate.S b/arch/arm/cpu/arm1136/mx35/relocate.S
new file mode 100644
index 0000000000..43003f8044
--- /dev/null
+++ b/arch/arm/cpu/arm1136/mx35/relocate.S
@@ -0,0 +1,23 @@
+/*
+ *  relocate - i.MX35-specific vector relocation
+ *
+ *  Copyright (c) 2013  Albert ARIBAUD <albert.u.boot@aribaud.net>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <linux/linkage.h>
+
+/*
+ * The i.MX35 SoC is very specific with respect to exceptions: it
+ * does not provide RAM at the high vectors address (0xFFFF0000),
+ * thus only the low address (0x00000000) is useable; but that is
+ * in ROM, so let's avoid relocating the vectors.
+ */
+	.section	.text.relocate_vectors,"ax",%progbits
+
+ENTRY(relocate_vectors)
+
+	bx	lr
+
+ENDPROC(relocate_vectors)
diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c
index e599a12b3a..ef029722b4 100644
--- a/arch/arm/cpu/armv7/mx6/soc.c
+++ b/arch/arm/cpu/armv7/mx6/soc.c
@@ -230,6 +230,11 @@ static void imx_set_wdog_powerdown(bool enable)
 	struct wdog_regs *wdog1 = (struct wdog_regs *)WDOG1_BASE_ADDR;
 	struct wdog_regs *wdog2 = (struct wdog_regs *)WDOG2_BASE_ADDR;
 
+#ifdef CONFIG_MX6SX
+	struct wdog_regs *wdog3 = (struct wdog_regs *)WDOG3_BASE_ADDR;
+	writew(enable, &wdog3->wmcr);
+#endif
+
 	/* Write to the PDE (Power Down Enable) bit */
 	writew(enable, &wdog1->wmcr);
 	writew(enable, &wdog2->wmcr);
@@ -255,6 +260,23 @@ static void clear_mmdc_ch_mask(void)
 	writel(0, &mxc_ccm->ccdr);
 }
 
+static void init_bandgap(void)
+{
+	struct anatop_regs *anatop = (struct anatop_regs *)ANATOP_BASE_ADDR;
+	/*
+	 * Ensure the bandgap has stabilized.
+	 */
+	while (!(readl(&anatop->ana_misc0) & 0x80))
+		;
+	/*
+	 * For best noise performance of the analog blocks using the
+	 * outputs of the bandgap, the reftop_selfbiasoff bit should
+	 * be set.
+	 */
+	writel(BM_ANADIG_ANA_MISC0_REFTOP_SELBIASOFF, &anatop->ana_misc0_set);
+}
+
+
 #ifdef CONFIG_MX6SL
 static void set_preclk_from_osc(void)
 {
@@ -275,6 +297,13 @@ int arch_cpu_init(void)
 	clear_mmdc_ch_mask();
 
 	/*
+	 * Disable self-bias circuit in the analog bandap.
+	 * The self-bias circuit is used by the bandgap during startup.
+	 * This bit should be set after the bandgap has initialized.
+	 */
+	init_bandgap();
+
+	/*
 	 * When low freq boot is enabled, ROM will not set AHB
 	 * freq, so we need to ensure AHB freq is 132MHz in such
 	 * scenario.
diff --git a/arch/arm/imx-common/Makefile b/arch/arm/imx-common/Makefile
index 25a9d4ce12..606482f7a3 100644
--- a/arch/arm/imx-common/Makefile
+++ b/arch/arm/imx-common/Makefile
@@ -24,6 +24,7 @@ obj-$(CONFIG_IMX_VIDEO_SKIP) += video.o
 endif
 obj-$(CONFIG_CMD_BMODE) += cmd_bmode.o
 obj-$(CONFIG_CMD_HDMIDETECT) += cmd_hdmidet.o
+obj-$(CONFIG_CMD_DEKBLOB) += cmd_dek.o
 
 quiet_cmd_cpp_cfg = CFGS    $@
       cmd_cpp_cfg = $(CPP) $(cpp_flags) -x c -o $@ $<
diff --git a/arch/arm/imx-common/cmd_dek.c b/arch/arm/imx-common/cmd_dek.c
new file mode 100644
index 0000000000..d93d5fb240
--- /dev/null
+++ b/arch/arm/imx-common/cmd_dek.c
@@ -0,0 +1,91 @@
+/*
+ * Copyright 2008-2015 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
+ * Command for encapsulating DEK blob
+ */
+
+#include <common.h>
+#include <command.h>
+#include <environment.h>
+#include <malloc.h>
+#include <asm/byteorder.h>
+#include <linux/compiler.h>
+#include <fsl_sec.h>
+#include <asm/arch/clock.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/**
+* blob_dek() - Encapsulate the DEK as a blob using CAM's Key
+* @src: - Address of data to be encapsulated
+* @dst: - Desination address of encapsulated data
+* @len: - Size of data to be encapsulated
+*
+* Returns zero on success,and negative on error.
+*/
+static int blob_encap_dek(const u8 *src, u8 *dst, u32 len)
+{
+	int ret = 0;
+	u32 jr_size = 4;
+
+	u32 out_jr_size = sec_in32(CONFIG_SYS_FSL_JR0_ADDR + 0x102c);
+	if (out_jr_size != jr_size) {
+		hab_caam_clock_enable(1);
+		sec_init();
+	}
+
+	if (!((len == 128) | (len == 192) | (len == 256))) {
+		debug("Invalid DEK size. Valid sizes are 128, 192 and 256b\n");
+		return -1;
+	}
+
+	len /= 8;
+	ret = blob_dek(src, dst, len);
+
+	return ret;
+}
+
+/**
+ * do_dek_blob() - Handle the "dek_blob" command-line command
+ * @cmdtp:  Command data struct pointer
+ * @flag:   Command flag
+ * @argc:   Command-line argument count
+ * @argv:   Array of command-line arguments
+ *
+ * Returns zero on success, CMD_RET_USAGE in case of misuse and negative
+ * on error.
+ */
+static int do_dek_blob(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
+{
+	uint32_t src_addr, dst_addr, len;
+	uint8_t *src_ptr, *dst_ptr;
+	int ret = 0;
+
+	if (argc != 4)
+		return CMD_RET_USAGE;
+
+	src_addr = simple_strtoul(argv[1], NULL, 16);
+	dst_addr = simple_strtoul(argv[2], NULL, 16);
+	len = simple_strtoul(argv[3], NULL, 10);
+
+	src_ptr = map_sysmem(src_addr, len/8);
+	dst_ptr = map_sysmem(dst_addr, BLOB_SIZE(len/8));
+
+	ret = blob_encap_dek(src_ptr, dst_ptr, len);
+
+	return ret;
+}
+
+/***************************************************/
+static char dek_blob_help_text[] =
+	"src dst len            - Encapsulate and create blob of data\n"
+	"                         $len bits long at address $src and\n"
+	"                         store the result at address $dst.\n";
+
+U_BOOT_CMD(
+	dek_blob, 4, 1, do_dek_blob,
+	"Data Encryption Key blob encapsulation",
+	dek_blob_help_text
+);
diff --git a/arch/arm/imx-common/cpu.c b/arch/arm/imx-common/cpu.c
index 28ccd29594..067d08f131 100644
--- a/arch/arm/imx-common/cpu.c
+++ b/arch/arm/imx-common/cpu.c
@@ -24,13 +24,16 @@
 #include <fsl_esdhc.h>
 #endif
 
-char *get_reset_cause(void)
+static u32 reset_cause = -1;
+
+static char *get_reset_cause(void)
 {
 	u32 cause;
 	struct src *src_regs = (struct src *)SRC_BASE_ADDR;
 
 	cause = readl(&src_regs->srsr);
 	writel(cause, &src_regs->srsr);
+	reset_cause = cause;
 
 	switch (cause) {
 	case 0x00001:
@@ -53,6 +56,11 @@ char *get_reset_cause(void)
 	}
 }
 
+u32 get_imx_reset_cause(void)
+{
+	return reset_cause;
+}
+
 #if defined(CONFIG_MX53) || defined(CONFIG_MX6)
 #if defined(CONFIG_MX53)
 #define MEMCTL_BASE	ESDCTL_BASE_ADDR
diff --git a/arch/arm/imx-common/timer.c b/arch/arm/imx-common/timer.c
index 65ef60bf2e..e522990453 100644
--- a/arch/arm/imx-common/timer.c
+++ b/arch/arm/imx-common/timer.c
@@ -176,3 +176,20 @@ ulong get_tbclk(void)
 {
 	return gpt_get_clk();
 }
+
+/*
+ * This function is intended for SHORT delays only.
+ * It will overflow at around 10 seconds @ 400MHz,
+ * or 20 seconds @ 200MHz.
+ */
+unsigned long usec2ticks(unsigned long usec)
+{
+	ulong ticks;
+
+	if (usec < 1000)
+		ticks = ((usec * (get_tbclk()/1000)) + 500) / 1000;
+	else
+		ticks = ((usec / 10) * (get_tbclk() / 100000));
+
+	return ticks;
+}
diff --git a/arch/arm/include/asm/arch-imx/cpu.h b/arch/arm/include/asm/arch-imx/cpu.h
index 254136e228..4715f4e894 100644
--- a/arch/arm/include/asm/arch-imx/cpu.h
+++ b/arch/arm/include/asm/arch-imx/cpu.h
@@ -17,3 +17,5 @@
 #define CS0_64M_CS1_64M				1
 #define CS0_64M_CS1_32M_CS2_32M			2
 #define CS0_32M_CS1_32M_CS2_32M_CS3_32M		3
+
+u32 get_imx_reset_cause(void);
diff --git a/arch/arm/include/asm/arch-mx5/sys_proto.h b/arch/arm/include/asm/arch-mx5/sys_proto.h
index ac7705b3b0..b06c77f65c 100644
--- a/arch/arm/include/asm/arch-mx5/sys_proto.h
+++ b/arch/arm/include/asm/arch-mx5/sys_proto.h
@@ -24,6 +24,5 @@ void set_chipselect_size(int const);
 int fecmxc_initialize(bd_t *bis);
 u32 get_ahb_clk(void);
 u32 get_periph_clk(void);
-char *get_reset_cause(void);
 
 #endif
diff --git a/arch/arm/include/asm/arch-mx6/crm_regs.h b/arch/arm/include/asm/arch-mx6/crm_regs.h
index 39f3c0707b..0592ce0171 100644
--- a/arch/arm/include/asm/arch-mx6/crm_regs.h
+++ b/arch/arm/include/asm/arch-mx6/crm_regs.h
@@ -1063,4 +1063,6 @@ struct mxc_ccm_reg {
 #define BF_ANADIG_PFD_528_PFD0_FRAC(v)  \
 	(((v) << 0) & BM_ANADIG_PFD_528_PFD0_FRAC)
 
+#define BM_ANADIG_ANA_MISC0_REFTOP_SELBIASOFF 0x00000008
+
 #endif /*__ARCH_ARM_MACH_MX6_CCM_REGS_H__ */
diff --git a/arch/arm/include/asm/arch-mx6/imx-regs.h b/arch/arm/include/asm/arch-mx6/imx-regs.h
index ae88b6ecab..9a4ad8b559 100644
--- a/arch/arm/include/asm/arch-mx6/imx-regs.h
+++ b/arch/arm/include/asm/arch-mx6/imx-regs.h
@@ -215,6 +215,10 @@
 #define AIPS2_OFF_BASE_ADDR         (ATZ2_BASE_ADDR + 0x80000)
 #define CAAM_BASE_ADDR              (ATZ2_BASE_ADDR)
 #define ARM_BASE_ADDR		    (ATZ2_BASE_ADDR + 0x40000)
+
+#define CONFIG_SYS_FSL_SEC_ADDR     CAAM_BASE_ADDR
+#define CONFIG_SYS_FSL_JR0_ADDR     (CAAM_BASE_ADDR + 0x1000)
+
 #define USB_PL301_BASE_ADDR         (AIPS2_OFF_BASE_ADDR + 0x0000)
 #define USB_BASE_ADDR               (AIPS2_OFF_BASE_ADDR + 0x4000)
 
diff --git a/arch/arm/include/asm/arch-mx6/mx6sl_pins.h b/arch/arm/include/asm/arch-mx6/mx6sl_pins.h
index 9ded3d851c..6ba1034b2e 100644
--- a/arch/arm/include/asm/arch-mx6/mx6sl_pins.h
+++ b/arch/arm/include/asm/arch-mx6/mx6sl_pins.h
@@ -31,7 +31,12 @@ enum {
 	MX6_PAD_SD2_DAT1__USDHC2_DAT1				= IOMUX_PAD(0x0568, 0x0260, 0, 0x0000, 0, 0),
 	MX6_PAD_SD2_DAT2__USDHC2_DAT2				= IOMUX_PAD(0x056C, 0x0264, 0, 0x0000, 0, 0),
 	MX6_PAD_SD2_DAT3__USDHC2_DAT3				= IOMUX_PAD(0x0570, 0x0268, 0, 0x0000, 0, 0),
+	MX6_PAD_SD2_DAT4__USDHC2_DAT4				= IOMUX_PAD(0X0574, 0X026C, 0, 0X0000, 0, 0),
+	MX6_PAD_SD2_DAT5__USDHC2_DAT5				= IOMUX_PAD(0X0578, 0X0270, 0, 0X0000, 0, 0),
+	MX6_PAD_SD2_DAT6__USDHC2_DAT6				= IOMUX_PAD(0X057C, 0X0274, 0, 0X0000, 0, 0),
+	MX6_PAD_SD2_DAT7__USDHC2_DAT7				= IOMUX_PAD(0X0580, 0X0278, 0, 0X0000, 0, 0),
 	MX6_PAD_SD2_DAT7__GPIO_5_0					= IOMUX_PAD(0x0580, 0x0278, 5, 0x0000, 0, 0),
+	MX6_PAD_SD2_RST__USDHC2_RST				= IOMUX_PAD(0x0584, 0x027C, 0, 0x0000, 0, 0),
 	MX6_PAD_SD3_CLK__USDHC3_CLK					= IOMUX_PAD(0x0588, 0x0280, 0, 0x0000, 0, 0),
 	MX6_PAD_SD3_CMD__USDHC3_CMD					= IOMUX_PAD(0x058C, 0x0284, 0, 0x0000, 0, 0),
 	MX6_PAD_SD3_DAT0__USDHC3_DAT0				= IOMUX_PAD(0x0590, 0x0288, 0, 0x0000, 0, 0),
@@ -58,5 +63,10 @@ enum {
 
 	MX6_PAD_KEY_COL4__USB_USBOTG1_PWR			= IOMUX_PAD(0x0484, 0x017C, 6, 0x0000, 0, 0),
 	MX6_PAD_KEY_COL5__USB_USBOTG2_PWR			= IOMUX_PAD(0x0488, 0x0180, 6, 0x0000, 0, 0),
+
+	MX6_PAD_I2C1_SDA__I2C1_SDA				= IOMUX_PAD(0x0450, 0x0160, 0x10, 0x0720, 2, 0),
+	MX6_PAD_I2C1_SDA__GPIO_3_13				= IOMUX_PAD(0x0450, 0x0160, 5, 0x0000, 0, 0),
+	MX6_PAD_I2C1_SCL__I2C1_SCL				= IOMUX_PAD(0x044C, 0x015C, 0x10, 0x071C, 2, 0),
+	MX6_PAD_I2C1_SCL__GPIO_3_12				= IOMUX_PAD(0x044C, 0x015C, 5, 0x0000, 0, 0),
 };
 #endif	/* __ASM_ARCH_MX6_MX6SL_PINS_H__ */