Merge tag 'ti-v2020.07-next' of https://gitlab.denx.de/u-boot/custodians/u-boot-ti into next

K3 J721E:
* OSPI boot support
* Support for loading remote cores in R5 SPL
* PMIC ESM Support
* Minor fixes for R5F and C7x remoteproc drivers

K3 AM654:
* Update AVS class 0 voltages.
* Add I2C nodes

DRA7xx/AM57xx:
* Fixed Android boot on AM57xx

AM33/AM43/Davinci:
* switch to driver model for the net and mdio driver for baltos
* Add DM/DTS support for omap video driver
* Enable fastboot on am335x-evm

8 files changed, 217 insertions, 36 deletions

diff --git a/arch/arm/mach-k3/Kconfig b/arch/arm/mach-k3/Kconfig
index 8f4272286c..a13cbef9b5 100644
--- a/arch/arm/mach-k3/Kconfig
+++ b/arch/arm/mach-k3/Kconfig
@@ -126,6 +126,14 @@ config K3_SYSFW_IMAGE_SIZE_MAX
 	  tree blob. Keep it as tight as possible, as this directly affects the
 	  overall SPL memory footprint.
 
+config K3_SYSFW_IMAGE_SPI_OFFS
+	hex "SPI offset of SYSFW firmware and configuration blob"
+	depends on K3_LOAD_SYSFW
+	default	0x6C0000
+	help
+	  Offset of the combined System Firmware and configuration image tree
+	  blob to be loaded when booting from a SPI flash memory.
+
 config SYS_K3_SPL_ATF
 	bool "Start Cortex-A from SPL"
 	depends on SPL && CPU_V7R
diff --git a/arch/arm/mach-k3/am6_init.c b/arch/arm/mach-k3/am6_init.c
index d0b10e58ad..3768bccafa 100644
--- a/arch/arm/mach-k3/am6_init.c
+++ b/arch/arm/mach-k3/am6_init.c
@@ -161,10 +161,8 @@ void board_init_f(ulong dummy)
 		pinctrl_select_state(dev, "default");
 
 	/*
-	 * Load, start up, and configure system controller firmware. Provide
-	 * the U-Boot console init function to the SYSFW post-PM configuration
-	 * callback hook, effectively switching on (or over) the console
-	 * output.
+	 * Load, start up, and configure system controller firmware while
+	 * also populating the SYSFW post-PM configuration callback hook.
 	 */
 	k3_sysfw_loader(k3_mmc_stop_clock, k3_mmc_restart_clock);
 
@@ -181,6 +179,9 @@ void board_init_f(ulong dummy)
 	preloader_console_init();
 #endif
 
+	/* Output System Firmware version info */
+	k3_sysfw_print_ver();
+
 	/* Perform EEPROM-based board detection */
 	do_board_detect();
 
diff --git a/arch/arm/mach-k3/arm64-mmu.c b/arch/arm/mach-k3/arm64-mmu.c
index 7f908eee80..95f830b7ff 100644
--- a/arch/arm/mach-k3/arm64-mmu.c
+++ b/arch/arm/mach-k3/arm64-mmu.c
@@ -50,6 +50,13 @@ struct mm_region am654_mem_map[NR_MMU_REGIONS] = {
 		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
 			 PTE_BLOCK_INNER_SHARE
 	}, {
+		.virt = 0x500000000UL,
+		.phys = 0x500000000UL,
+		.size = 0x400000000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+			 PTE_BLOCK_NON_SHARE |
+			 PTE_BLOCK_PXN | PTE_BLOCK_UXN
+	}, {
 		/* List terminator */
 		0,
 	}
@@ -60,7 +67,7 @@ struct mm_region *mem_map = am654_mem_map;
 
 #ifdef CONFIG_SOC_K3_J721E
 /* NR_DRAM_BANKS + 32bit IO + 64bit IO + terminator */
-#define NR_MMU_REGIONS	(CONFIG_NR_DRAM_BANKS + 5)
+#define NR_MMU_REGIONS	(CONFIG_NR_DRAM_BANKS + 6)
 
 /* ToDo: Add 64bit IO */
 struct mm_region j721e_mem_map[NR_MMU_REGIONS] = {
@@ -103,6 +110,12 @@ struct mm_region j721e_mem_map[NR_MMU_REGIONS] = {
 			 PTE_BLOCK_NON_SHARE |
 			 PTE_BLOCK_PXN | PTE_BLOCK_UXN
 	}, {
+		.virt = 0x4d80000000UL,
+		.phys = 0x4d80000000UL,
+		.size = 0x0002000000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL_NC) |
+			 PTE_BLOCK_INNER_SHARE
+	}, {
 		/* List terminator */
 		0,
 	}
diff --git a/arch/arm/mach-k3/common.c b/arch/arm/mach-k3/common.c
index 7af60a7f2f..efd84ec7eb 100644
--- a/arch/arm/mach-k3/common.c
+++ b/arch/arm/mach-k3/common.c
@@ -17,6 +17,10 @@
 #include <asm/arch/sys_proto.h>
 #include <asm/hardware.h>
 #include <asm/io.h>
+#include <fs_loader.h>
+#include <fs.h>
+#include <env.h>
+#include <elf.h>
 
 struct ti_sci_handle *get_ti_sci_handle(void)
 {
@@ -31,6 +35,28 @@ struct ti_sci_handle *get_ti_sci_handle(void)
 	return (struct ti_sci_handle *)ti_sci_get_handle_from_sysfw(dev);
 }
 
+void k3_sysfw_print_ver(void)
+{
+	struct ti_sci_handle *ti_sci = get_ti_sci_handle();
+	char fw_desc[sizeof(ti_sci->version.firmware_description) + 1];
+
+	/*
+	 * Output System Firmware version info. Note that since the
+	 * 'firmware_description' field is not guaranteed to be zero-
+	 * terminated we manually add a \0 terminator if needed. Further
+	 * note that we intentionally no longer rely on the extended
+	 * printf() formatter '%.*s' to not having to require a more
+	 * full-featured printf() implementation.
+	 */
+	strncpy(fw_desc, ti_sci->version.firmware_description,
+		sizeof(ti_sci->version.firmware_description));
+	fw_desc[sizeof(fw_desc) - 1] = '\0';
+
+	printf("SYSFW ABI: %d.%d (firmware rev 0x%04x '%s')\n",
+	       ti_sci->version.abi_major, ti_sci->version.abi_minor,
+	       ti_sci->version.firmware_revision, fw_desc);
+}
+
 DECLARE_GLOBAL_DATA_PTR;
 
 #ifdef CONFIG_K3_EARLY_CONS
@@ -58,23 +84,98 @@ int early_console_init(void)
 #endif
 
 #ifdef CONFIG_SYS_K3_SPL_ATF
+
+void init_env(void)
+{
+#ifdef CONFIG_SPL_ENV_SUPPORT
+	char *part;
+
+	env_init();
+	env_relocate();
+	switch (spl_boot_device()) {
+	case BOOT_DEVICE_MMC2:
+		part = env_get("bootpart");
+		env_set("storage_interface", "mmc");
+		env_set("fw_dev_part", part);
+		break;
+	case BOOT_DEVICE_SPI:
+		env_set("storage_interface", "ubi");
+		env_set("fw_ubi_mtdpart", "UBI");
+		env_set("fw_ubi_volume", "UBI0");
+		break;
+	default:
+		printf("%s from device %u not supported!\n",
+		       __func__, spl_boot_device());
+		return;
+	}
+#endif
+}
+
+#ifdef CONFIG_FS_LOADER
+int load_firmware(char *name_fw, char *name_loadaddr, u32 *loadaddr)
+{
+	struct udevice *fsdev;
+	char *name = NULL;
+	int size = 0;
+
+	*loadaddr = 0;
+#ifdef CONFIG_SPL_ENV_SUPPORT
+	switch (spl_boot_device()) {
+	case BOOT_DEVICE_MMC2:
+		name = env_get(name_fw);
+		*loadaddr = env_get_hex(name_loadaddr, *loadaddr);
+		break;
+	default:
+		printf("Loading rproc fw image from device %u not supported!\n",
+		       spl_boot_device());
+		return 0;
+	}
+#endif
+	if (!*loadaddr)
+		return 0;
+
+	if (!uclass_get_device(UCLASS_FS_FIRMWARE_LOADER, 0, &fsdev)) {
+		size = request_firmware_into_buf(fsdev, name, (void *)*loadaddr,
+						 0, 0);
+	}
+
+	return size;
+}
+#else
+int load_firmware(char *name_fw, char *name_loadaddr, u32 *loadaddr)
+{
+	return 0;
+}
+#endif
+
+__weak void start_non_linux_remote_cores(void)
+{
+}
+
 void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
 {
+	typedef void __noreturn (*image_entry_noargs_t)(void);
 	struct ti_sci_handle *ti_sci = get_ti_sci_handle();
-	int ret;
+	u32 loadaddr = 0;
+	int ret, size;
 
 	/* Release all the exclusive devices held by SPL before starting ATF */
 	ti_sci->ops.dev_ops.release_exclusive_devices(ti_sci);
 
+	ret = rproc_init();
+	if (ret)
+		panic("rproc failed to be initialized (%d)\n", ret);
+
+	init_env();
+	start_non_linux_remote_cores();
+	size = load_firmware("name_mcur5f0_0fw", "addr_mcur5f0_0load",
+			     &loadaddr);
+
+
 	/*
 	 * It is assumed that remoteproc device 1 is the corresponding
 	 * Cortex-A core which runs ATF. Make sure DT reflects the same.
 	 */
-	ret = rproc_dev_init(1);
-	if (ret)
-		panic("%s: ATF failed to initialize on rproc (%d)\n", __func__,
-		      ret);
-
 	ret = rproc_load(1, spl_image->entry_point, 0x200);
 	if (ret)
 		panic("%s: ATF failed to load on rproc (%d)\n", __func__, ret);
@@ -85,13 +186,18 @@ void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
 	ret = rproc_start(1);
 	if (ret)
 		panic("%s: ATF failed to start on rproc (%d)\n", __func__, ret);
+	if (!(size > 0 && valid_elf_image(loadaddr))) {
+		debug("Shutting down...\n");
+		release_resources_for_core_shutdown();
+
+		while (1)
+			asm volatile("wfe");
+	}
 
-	debug("Releasing resources...\n");
-	release_resources_for_core_shutdown();
+	image_entry_noargs_t image_entry =
+		(image_entry_noargs_t)load_elf_image_phdr(loadaddr);
 
-	debug("Finalizing core shutdown...\n");
-	while (1)
-		asm volatile("wfe");
+	image_entry();
 }
 #endif
 
diff --git a/arch/arm/mach-k3/common.h b/arch/arm/mach-k3/common.h
index d8b34fe060..b1cbe116ef 100644
--- a/arch/arm/mach-k3/common.h
+++ b/arch/arm/mach-k3/common.h
@@ -24,3 +24,6 @@ void setup_k3_mpu_regions(void);
 int early_console_init(void);
 void disable_linefill_optimization(void);
 void remove_fwl_configs(struct fwl_data *fwl_data, size_t fwl_data_size);
+void start_non_linux_remote_cores(void);
+int load_firmware(char *name_fw, char *name_loadaddr, u32 *loadaddr);
+void k3_sysfw_print_ver(void);
diff --git a/arch/arm/mach-k3/j721e_init.c b/arch/arm/mach-k3/j721e_init.c
index 0994522f6c..f34090f9cc 100644
--- a/arch/arm/mach-k3/j721e_init.c
+++ b/arch/arm/mach-k3/j721e_init.c
@@ -19,6 +19,7 @@
 #include <dm/uclass-internal.h>
 #include <dm/pinctrl.h>
 #include <mmc.h>
+#include <remoteproc.h>
 
 #ifdef CONFIG_SPL_BUILD
 #ifdef CONFIG_K3_LOAD_SYSFW
@@ -202,6 +203,9 @@ void board_init_f(ulong dummy)
 	preloader_console_init();
 #endif
 
+	/* Output System Firmware version info */
+	k3_sysfw_print_ver();
+
 	/* Perform EEPROM-based board detection */
 	do_board_detect();
 
@@ -326,3 +330,36 @@ void release_resources_for_core_shutdown(void)
 	}
 }
 #endif
+
+#ifdef CONFIG_SYS_K3_SPL_ATF
+void start_non_linux_remote_cores(void)
+{
+	int size = 0, ret;
+	u32 loadaddr = 0;
+
+	size = load_firmware("name_mainr5f0_0fw", "addr_mainr5f0_0load",
+			     &loadaddr);
+	if (size <= 0)
+		goto err_load;
+
+	/* assuming remoteproc 2 is aliased for the needed remotecore */
+	ret = rproc_load(2, loadaddr, size);
+	if (ret) {
+		printf("Firmware failed to start on rproc (%d)\n", ret);
+		goto err_load;
+	}
+
+	ret = rproc_start(2);
+	if (ret) {
+		printf("Firmware init failed on rproc (%d)\n", ret);
+		goto err_load;
+	}
+
+	printf("Remoteproc 2 started successfully\n");
+
+	return;
+
+err_load:
+	rproc_reset(2);
+}
+#endif
diff --git a/arch/arm/mach-k3/r5_mpu.c b/arch/arm/mach-k3/r5_mpu.c
index ee076ed877..3d2ff6775a 100644
--- a/arch/arm/mach-k3/r5_mpu.c
+++ b/arch/arm/mach-k3/r5_mpu.c
@@ -26,7 +26,9 @@ struct mpu_region_config k3_mpu_regions[16] = {
 	/* U-Boot's code area marking it as WB and Write allocate */
 	{CONFIG_SYS_SDRAM_BASE, REGION_2, XN_DIS, PRIV_RW_USR_RW,
 	 O_I_WB_RD_WR_ALLOC, REGION_2GB},
-	{0x0, 3, 0x0, 0x0, 0x0, 0x0},
+	/* mcu_r5fss0_core0 BTCM area marking it as WB and Write allocate. */
+	{0x41010000, 3, XN_DIS, PRIV_RW_USR_RW, O_I_WB_RD_WR_ALLOC,
+	 REGION_8MB},
 	{0x0, 4, 0x0, 0x0, 0x0, 0x0},
 	{0x0, 5, 0x0, 0x0, 0x0, 0x0},
 	{0x0, 6, 0x0, 0x0, 0x0, 0x0},
diff --git a/arch/arm/mach-k3/sysfw-loader.c b/arch/arm/mach-k3/sysfw-loader.c
index db02607b17..4f5c848245 100644
--- a/arch/arm/mach-k3/sysfw-loader.c
+++ b/arch/arm/mach-k3/sysfw-loader.c
@@ -14,6 +14,8 @@
 #include <g_dnl.h>
 #include <usb.h>
 #include <dfu.h>
+#include <dm/uclass-internal.h>
+#include <spi_flash.h>
 
 #include <asm/arch/sys_proto.h>
 #include "common.h"
@@ -197,13 +199,33 @@ exit:
 }
 #endif
 
+#if CONFIG_IS_ENABLED(SPI_LOAD)
+static void *k3_sysfw_get_spi_addr(void)
+{
+	struct udevice *dev;
+	fdt_addr_t addr;
+	int ret;
+
+	ret = uclass_find_device_by_seq(UCLASS_SPI, CONFIG_SF_DEFAULT_BUS,
+					true, &dev);
+	if (ret)
+		return NULL;
+
+	addr = dev_read_addr_index(dev, 1);
+	if (addr == FDT_ADDR_T_NONE)
+		return NULL;
+
+	return (void *)(addr + CONFIG_K3_SYSFW_IMAGE_SPI_OFFS);
+}
+#endif
+
 void k3_sysfw_loader(void (*config_pm_pre_callback) (void),
 		     void (*config_pm_done_callback)(void))
 {
 	struct spl_image_info spl_image = { 0 };
 	struct spl_boot_device bootdev = { 0 };
 	struct ti_sci_handle *ti_sci;
-	int ret;
+	int ret = 0;
 
 	/* Reserve a block of aligned memory for loading the SYSFW image */
 	sysfw_load_address = memalign(ARCH_DMA_MINALIGN,
@@ -244,6 +266,13 @@ void k3_sysfw_loader(void (*config_pm_pre_callback) (void),
 #endif
 		break;
 #endif
+#if CONFIG_IS_ENABLED(SPI_LOAD)
+	case BOOT_DEVICE_SPI:
+		sysfw_load_address = k3_sysfw_get_spi_addr();
+		if (!sysfw_load_address)
+			ret = -ENODEV;
+		break;
+#endif
 #if CONFIG_IS_ENABLED(YMODEM_SUPPORT)
 	case BOOT_DEVICE_UART:
 #ifdef CONFIG_K3_EARLY_CONS
@@ -305,22 +334,4 @@ void k3_sysfw_loader(void (*config_pm_pre_callback) (void),
 	 */
 	if (config_pm_done_callback)
 		config_pm_done_callback();
-
-	/*
-	 * Output System Firmware version info. Note that since the
-	 * 'firmware_description' field is not guaranteed to be zero-
-	 * terminated we manually add a \0 terminator if needed. Further
-	 * note that we intentionally no longer rely on the extended
-	 * printf() formatter '%.*s' to not having to require a more
-	 * full-featured printf() implementation.
-	 */
-	char fw_desc[sizeof(ti_sci->version.firmware_description) + 1];
-
-	strncpy(fw_desc, ti_sci->version.firmware_description,
-		sizeof(ti_sci->version.firmware_description));
-	fw_desc[sizeof(fw_desc) - 1] = '\0';
-
-	printf("SYSFW ABI: %d.%d (firmware rev 0x%04x '%s')\n",
-	       ti_sci->version.abi_major, ti_sci->version.abi_minor,
-	       ti_sci->version.firmware_revision, fw_desc);
 }