Merge git://git.denx.de/u-boot-imx

Signed-off-by: Tom Rini <trini@konsulko.com>

8 files changed, 148 insertions, 8 deletions

diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index 95a542fa01..306f779392 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -78,9 +78,11 @@ endif
 quiet_cmd_cpp_cfg = CFGS    $@
       cmd_cpp_cfg = $(CPP) $(cpp_flags) -x c -o $@ $<
 
-IMX_CONFIG = $(CONFIG_IMX_CONFIG:"%"=%).cfgtmp
+# mkimage source config file
+IMX_CONFIG = $(CONFIG_IMX_CONFIG:"%"=%)
 
-$(IMX_CONFIG): %.cfgtmp: % FORCE
+# How to create a cpp processed config file, they all use the same source
+%.cfgout: $(IMX_CONFIG) FORCE
 	$(Q)mkdir -p $(dir $@)
 	$(call if_changed_dep,cpp_cfg)
 
@@ -88,7 +90,7 @@ MKIMAGEFLAGS_u-boot.imx = -n $(filter-out $(PLUGIN).bin $< $(PHONY),$^) -T imxim
 	-e $(CONFIG_SYS_TEXT_BASE)
 u-boot.imx: MKIMAGEOUTPUT = u-boot.imx.log
 
-u-boot.imx: u-boot.bin $(IMX_CONFIG) $(PLUGIN).bin FORCE
+u-boot.imx: u-boot.bin u-boot.cfgout $(PLUGIN).bin FORCE
 	$(call if_changed,mkimage)
 
 ifeq ($(CONFIG_OF_SEPARATE),y)
@@ -96,16 +98,15 @@ MKIMAGEFLAGS_u-boot-dtb.imx = -n $(filter-out $(PLUGIN).bin $< $(PHONY),$^) -T i
 	-e $(CONFIG_SYS_TEXT_BASE)
 u-boot-dtb.imx: MKIMAGEOUTPUT = u-boot-dtb.imx.log
 
-u-boot-dtb.imx: u-boot-dtb.bin $(IMX_CONFIG) $(PLUGIN).bin FORCE
+u-boot-dtb.imx: u-boot-dtb.bin u-boot-dtb.cfgout $(PLUGIN).bin FORCE
 	$(call if_changed,mkimage)
 endif
 
 MKIMAGEFLAGS_SPL = -n $(filter-out $(PLUGIN).bin $< $(PHONY),$^) -T imximage \
 	-e $(CONFIG_SPL_TEXT_BASE)
-
 SPL: MKIMAGEOUTPUT = SPL.log
 
-SPL: spl/u-boot-spl.bin $(IMX_CONFIG) $(PLUGIN).bin FORCE
+SPL: spl/u-boot-spl.bin spl/u-boot-spl.cfgout $(PLUGIN).bin FORCE
 	$(call if_changed,mkimage)
 
 MKIMAGEFLAGS_u-boot.uim = -A arm -O U-Boot -a $(CONFIG_SYS_TEXT_BASE) \
@@ -133,7 +134,7 @@ cmd_u-boot-nand-spl_imx = (printf '\000\000\000\000\106\103\102\040\001' && \
 spl/u-boot-nand-spl.imx: SPL FORCE
 	$(call if_changed,u-boot-nand-spl_imx)
 
-targets += $(addprefix ../../../,$(IMX_CONFIG) SPL u-boot.uim spl/u-boot-nand-spl.imx)
+targets += $(addprefix ../../../,SPL spl/u-boot-spl.cfgout u-boot-dtb.cfgout u-boot.cfgout u-boot.uim spl/u-boot-nand-spl.imx)
 
 obj-$(CONFIG_ARM64) += sip.o
 
diff --git a/arch/arm/mach-imx/hab.c b/arch/arm/mach-imx/hab.c
index c730c8f7a9..9ca7badcaf 100644
--- a/arch/arm/mach-imx/hab.c
+++ b/arch/arm/mach-imx/hab.c
@@ -341,6 +341,31 @@ static int do_hab_failsafe(cmd_tbl_t *cmdtp, int flag, int argc,
 	return 0;
 }
 
+static int do_authenticate_image_or_failover(cmd_tbl_t *cmdtp, int flag,
+					     int argc, char * const argv[])
+{
+	int ret = CMD_RET_FAILURE;
+
+	if (argc != 4) {
+		ret = CMD_RET_USAGE;
+		goto error;
+	}
+
+	if (!imx_hab_is_enabled()) {
+		printf("error: secure boot disabled\n");
+		goto error;
+	}
+
+	if (do_authenticate_image(NULL, flag, argc, argv) != CMD_RET_SUCCESS) {
+		fprintf(stderr, "authentication fail -> %s %s %s %s\n",
+			argv[0], argv[1], argv[2], argv[3]);
+		do_hab_failsafe(0, 0, 1, NULL);
+	};
+	ret = CMD_RET_SUCCESS;
+error:
+	return ret;
+}
+
 U_BOOT_CMD(
 		hab_status, CONFIG_SYS_MAXARGS, 1, do_hab_status,
 		"display HAB status",
@@ -362,6 +387,16 @@ U_BOOT_CMD(
 		""
 	  );
 
+U_BOOT_CMD(
+		hab_auth_img_or_fail, 4, 0,
+		do_authenticate_image_or_failover,
+		"authenticate image via HAB on failure drop to USB BootROM mode",
+		"addr length ivt_offset\n"
+		"addr - image hex address\n"
+		"length - image hex length\n"
+		"ivt_offset - hex offset of IVT in the image"
+	  );
+
 #endif /* !defined(CONFIG_SPL_BUILD) */
 
 /* Get CSF Header length */
diff --git a/arch/arm/mach-imx/mx6/Kconfig b/arch/arm/mach-imx/mx6/Kconfig
index d4ce38db8d..aa6f5facbf 100644
--- a/arch/arm/mach-imx/mx6/Kconfig
+++ b/arch/arm/mach-imx/mx6/Kconfig
@@ -387,6 +387,16 @@ config TARGET_TBS2910
 config TARGET_TITANIUM
 	bool "titanium"
 
+config TARGET_KP_IMX6Q_TPC
+	bool "K+P KP_IMX6Q_TPC i.MX6 Quad"
+	select MX6QDL
+	select BOARD_LATE_INIT
+	select BOARD_EARLY_INIT_F
+	select SUPPORT_SPL
+	select DM
+	select DM_THERMAL
+	imply CMD_SPL
+
 config TARGET_TQMA6
 	bool "TQ Systems TQMa6 board"
 	select BOARD_LATE_INIT
@@ -493,6 +503,7 @@ source "board/tbs/tbs2910/Kconfig"
 source "board/tqc/tqma6/Kconfig"
 source "board/toradex/apalis_imx6/Kconfig"
 source "board/toradex/colibri_imx6/Kconfig"
+source "board/k+p/kp_imx6q_tpc/Kconfig"
 source "board/udoo/Kconfig"
 source "board/udoo/neo/Kconfig"
 source "board/wandboard/Kconfig"
diff --git a/arch/arm/mach-imx/mx6/ddr.c b/arch/arm/mach-imx/mx6/ddr.c
index 43b77cfa41..6e5e40dd1a 100644
--- a/arch/arm/mach-imx/mx6/ddr.c
+++ b/arch/arm/mach-imx/mx6/ddr.c
@@ -85,6 +85,23 @@ static void modify_dg_result(u32 *reg_st0, u32 *reg_st1, u32 *reg_ctrl)
 	writel(val_ctrl, reg_ctrl);
 }
 
+static void correct_mpwldectr_result(void *reg)
+{
+	/* Limit is 200/256 of CK, which is WL_HC_DELx | 0x48. */
+	const unsigned int limit = 0x148;
+	u32 val = readl(reg);
+	u32 old = val;
+
+	if ((val & 0x17f) > limit)
+		val &= 0xffff << 16;
+
+	if (((val >> 16) & 0x17f) > limit)
+		val &= 0xffff;
+
+	if (old != val)
+		writel(val, reg);
+}
+
 int mmdc_do_write_level_calibration(struct mx6_ddr_sysinfo const *sysinfo)
 {
 	struct mmdc_p_regs *mmdc0 = (struct mmdc_p_regs *)MMDC_P0_BASE_ADDR;
@@ -176,6 +193,13 @@ int mmdc_do_write_level_calibration(struct mx6_ddr_sysinfo const *sysinfo)
 		errors |= 4;
 	}
 
+	correct_mpwldectr_result(&mmdc0->mpwldectrl0);
+	correct_mpwldectr_result(&mmdc0->mpwldectrl1);
+	if (sysinfo->dsize == 2) {
+		correct_mpwldectr_result(&mmdc1->mpwldectrl0);
+		correct_mpwldectr_result(&mmdc1->mpwldectrl1);
+	}
+
 	/*
 	 * User should issue MRS command to exit write leveling mode
 	 * through Load Mode Register command
diff --git a/arch/arm/mach-imx/mx7/Makefile b/arch/arm/mach-imx/mx7/Makefile
index ce289c1415..e6bef6acee 100644
--- a/arch/arm/mach-imx/mx7/Makefile
+++ b/arch/arm/mach-imx/mx7/Makefile
@@ -5,7 +5,7 @@
 #
 #
 
-obj-y	:= soc.o clock.o clock_slice.o ddr.o
+obj-y	:= soc.o clock.o clock_slice.o ddr.o snvs.o
 
 ifdef CONFIG_ARMV7_PSCI
 obj-y  += psci-mx7.o psci.o
diff --git a/arch/arm/mach-imx/mx7/snvs.c b/arch/arm/mach-imx/mx7/snvs.c
new file mode 100644
index 0000000000..7e649b8513
--- /dev/null
+++ b/arch/arm/mach-imx/mx7/snvs.c
@@ -0,0 +1,22 @@
+/*
+ * Copyright 2018 Linaro
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <asm/io.h>
+#include <asm/arch/imx-regs.h>
+#include <linux/bitops.h>
+
+#define SNVS_HPCOMR		0x04
+#define SNVS_HPCOMR_NPSWA_EN	BIT(31)
+
+void init_snvs(void)
+{
+	u32 val;
+
+	/* Ensure SNVS HPCOMR sets NPSWA_EN to allow unpriv access to SNVS LP */
+	val = readl(SNVS_BASE_ADDR + SNVS_HPCOMR);
+	val |= SNVS_HPCOMR_NPSWA_EN;
+	writel(val, SNVS_BASE_ADDR + SNVS_HPCOMR);
+}
diff --git a/arch/arm/mach-imx/mx7/soc.c b/arch/arm/mach-imx/mx7/soc.c
index d349676b81..3ceeeffd99 100644
--- a/arch/arm/mach-imx/mx7/soc.c
+++ b/arch/arm/mach-imx/mx7/soc.c
@@ -18,6 +18,7 @@
 #include <dm.h>
 #include <imx_thermal.h>
 #include <fsl_sec.h>
+#include <asm/setup.h>
 
 #if defined(CONFIG_IMX_THERMAL)
 static const struct imx_thermal_plat imx7_thermal_plat = {
@@ -179,6 +180,8 @@ int arch_cpu_init(void)
 	isolate_resource();
 #endif
 
+	init_snvs();
+
 	return 0;
 }
 
@@ -201,6 +204,27 @@ int arch_misc_init(void)
 #endif
 
 #ifdef CONFIG_SERIAL_TAG
+/*
+ * OCOTP_TESTER
+ * i.MX 7Solo Applications Processor Reference Manual, Rev. 0.1, 08/2016
+ * OCOTP_TESTER describes a unique ID based on silicon wafer
+ * and die X/Y position
+ *
+ * OCOTOP_TESTER offset 0x410
+ * 31:0 fuse 0
+ * FSL-wide unique, encoded LOT ID STD II/SJC CHALLENGE/ Unique ID
+ *
+ * OCOTP_TESTER1 offset 0x420
+ * 31:24 fuse 1
+ * The X-coordinate of the die location on the wafer/SJC CHALLENGE/ Unique ID
+ * 23:16 fuse 1
+ * The Y-coordinate of the die location on the wafer/SJC CHALLENGE/ Unique ID
+ * 15:11 fuse 1
+ * The wafer number of the wafer on which the device was fabricated/SJC
+ * CHALLENGE/ Unique ID
+ * 10:0 fuse 1
+ * FSL-wide unique, encoded LOT ID STD II/SJC CHALLENGE/ Unique ID
+ */
 void get_board_serial(struct tag_serialnr *serialnr)
 {
 	struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
diff --git a/arch/arm/mach-imx/spl.c b/arch/arm/mach-imx/spl.c
index b2521b2101..6fc24630ba 100644
--- a/arch/arm/mach-imx/spl.c
+++ b/arch/arm/mach-imx/spl.c
@@ -101,6 +101,29 @@ u32 spl_boot_device(void)
 /* Translate iMX7/MX8M boot device to the SPL boot device enumeration */
 u32 spl_boot_device(void)
 {
+#if defined(CONFIG_MX7)
+	unsigned int bmode = readl(&src_base->sbmr2);
+
+	/*
+	 * Check for BMODE if serial downloader is enabled
+	 * BOOT_MODE - see IMX7DRM Table 6-24
+	 */
+	if (((bmode >> 24) & 0x03) == 0x01) /* Serial Downloader */
+		return BOOT_DEVICE_BOARD;
+
+	/*
+	 * The above method does not detect that the boot ROM used
+	 * serial downloader in case the boot ROM decided to use the
+	 * serial downloader as a fall back (primary boot source failed).
+	 *
+	 * Infer that the boot ROM used the USB serial downloader by
+	 * checking whether the USB PHY is currently active... This
+	 * assumes that SPL did not (yet) initialize the USB PHY...
+	 */
+	if (is_boot_from_usb())
+		return BOOT_DEVICE_BOARD;
+#endif
+
 	enum boot_device boot_device_spl = get_boot_device();
 
 	switch (boot_device_spl) {