default 0x701bebfc if SOC_K3_AM642
default 0x43c3f290 if SOC_K3_AM625
default 0x43c3f290 if SOC_K3_AM62A7 && CPU_V7R
@@ -172,7 +174,7 @@ config K3_ATF_LOAD_ADDR
config K3_DM_FW
bool "Separate DM firmware image"
- depends on SPL && CPU_V7R && (SOC_K3_J721E || SOC_K3_J721S2 || SOC_K3_AM625 ||
SOC_K3_AM62A7) && !CLK_TI_SCI && !TI_SCI_POWER_DOMAIN
+ depends on SPL && CPU_V7R && (SOC_K3_J721E || SOC_K3_J721S2 || SOC_K3_AM625 ||
SOC_K3_AM62A7 || SOC_K3_J784S4) && !CLK_TI_SCI && !TI_SCI_POWER_DOMAIN
default y
help
Enabling this will indicate that the system has separate DM
diff --git a/arch/arm/mach-k3/Makefile b/arch/arm/mach-k3/Makefile
index fd77b8bbba..6fe36c265c 100644
--- a/arch/arm/mach-k3/Makefile
+++ b/arch/arm/mach-k3/Makefile
@@ -7,6 +7,7 @@ obj-$(CONFIG_SOC_K3_J721E) += j721e/ j7200/
obj-$(CONFIG_SOC_K3_J721S2) += j721s2/
obj-$(CONFIG_SOC_K3_AM625) += am62x/
obj-$(CONFIG_SOC_K3_AM62A7) += am62ax/
+obj-$(CONFIG_SOC_K3_J784S4) += j784s4/
obj-$(CONFIG_ARM64) += arm64-mmu.o
obj-$(CONFIG_CPU_V7R) += r5_mpu.o lowlevel_init.o
obj-$(CONFIG_ARM64) += cache.o
@@ -16,6 +17,7 @@ obj-$(CONFIG_SOC_K3_AM654) += am654_fdt.o
obj-$(CONFIG_SOC_K3_J721E) += j721e_fdt.o
obj-$(CONFIG_SOC_K3_J721S2) += j721s2_fdt.o
obj-$(CONFIG_SOC_K3_AM625) += am625_fdt.o
+obj-$(CONFIG_SOC_K3_J784S4) += j784s4_fdt.o
endif
ifeq ($(CONFIG_SPL_BUILD),y)
obj-$(CONFIG_SOC_K3_AM654) += am654_init.o
@@ -24,6 +26,7 @@ obj-$(CONFIG_SOC_K3_J721S2) += j721s2_init.o
obj-$(CONFIG_SOC_K3_AM642) += am642_init.o
obj-$(CONFIG_SOC_K3_AM625) += am625_init.o
obj-$(CONFIG_SOC_K3_AM62A7) += am62a7_init.o
+obj-$(CONFIG_SOC_K3_J784S4) += j784s4_init.o
obj-$(CONFIG_K3_LOAD_SYSFW) += sysfw-loader.o
endif
obj-y += common.o security.o
diff --git a/arch/arm/mach-k3/arm64-mmu.c b/arch/arm/mach-k3/arm64-mmu.c
index f8087d2421..c060920d7c 100644
--- a/arch/arm/mach-k3/arm64-mmu.c
+++ b/arch/arm/mach-k3/arm64-mmu.c
@@ -318,3 +318,55 @@ struct mm_region am64_mem_map[NR_MMU_REGIONS] = {
struct mm_region *mem_map = am64_mem_map;
#endif /* CONFIG_SOC_K3_AM642 */
+
+#if defined(CONFIG_SOC_K3_J784S4)
+#define NR_MMU_REGIONS (CONFIG_NR_DRAM_BANKS + 5)
+
+struct mm_region j784s4_mem_map[NR_MMU_REGIONS] = {
+ {
+ .virt = 0x0UL,
+ .phys = 0x0UL,
+ .size = 0x80000000UL,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+ PTE_BLOCK_NON_SHARE |
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
+ }, {
+ .virt = 0x80000000UL,
+ .phys = 0x80000000UL,
+ .size = 0x20000000UL,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+ PTE_BLOCK_INNER_SHARE
+ }, {
+ .virt = 0xa0000000UL,
+ .phys = 0xa0000000UL,
+ .size = 0x21000000UL,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL_NC) |
+ PTE_BLOCK_NON_SHARE
+ }, {
+ .virt = 0xc1000000UL,
+ .phys = 0xc1000000UL,
+ .size = 0x3f000000UL,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+ PTE_BLOCK_INNER_SHARE
+ }, {
+ .virt = 0x880000000UL,
+ .phys = 0x880000000UL,
+ .size = 0x80000000UL,
+ .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,
+ }
+};
+
+struct mm_region *mem_map = j784s4_mem_map;
+
+#endif /* CONFIG_SOC_K3_J784S4 */
diff --git a/arch/arm/mach-k3/include/mach/hardware.h
b/arch/arm/mach-k3/include/mach/hardware.h
index 65742c4b7c..03b18f6bad 100644
--- a/arch/arm/mach-k3/include/mach/hardware.h
+++ b/arch/arm/mach-k3/include/mach/hardware.h
@@ -33,6 +33,10 @@
#include "am62a_qos.h"
#endif
+#ifdef CONFIG_SOC_K3_J784S4
+#include "j784s4_hardware.h"
+#endif
+
/* Assuming these addresses and definitions stay common across K3 devices */
#define CTRLMMR_WKUP_JTAG_ID (WKUP_CTRL_MMR0_BASE + 0x14)
#define JTAG_ID_VARIANT_SHIFT 28
diff --git a/arch/arm/mach-k3/include/mach/j784s4_hardware.h
b/arch/arm/mach-k3/include/mach/j784s4_hardware.h
new file mode 100644
index 0000000000..b5fd91c038
--- /dev/null
+++ b/arch/arm/mach-k3/include/mach/j784s4_hardware.h
@@ -0,0 +1,60 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * K3: J784S4 SoC definitions, structures etc.
+ *
+ * Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/
+ */
+#ifndef __ASM_ARCH_J784S4_HARDWARE_H
+#define __ASM_ARCH_J784S4_HARDWARE_H
+
+#include <config.h>
+#ifndef __ASSEMBLY__
+#include <linux/bitops.h>
+#endif
+
+#define WKUP_CTRL_MMR0_BASE 0x43000000
+#define MCU_CTRL_MMR0_BASE 0x40f00000
+#define CTRL_MMR0_BASE 0x00100000
+
+#define CTRLMMR_MAIN_DEVSTAT (CTRL_MMR0_BASE + 0x30)
+#define MAIN_DEVSTAT_BOOT_MODE_B_MASK BIT(0)
+#define MAIN_DEVSTAT_BOOT_MODE_B_SHIFT 0
+#define MAIN_DEVSTAT_BKUP_BOOTMODE_MASK GENMASK(3, 1)
+#define MAIN_DEVSTAT_BKUP_BOOTMODE_SHIFT 1
+#define MAIN_DEVSTAT_PRIM_BOOTMODE_MMC_PORT_MASK BIT(6)
+#define MAIN_DEVSTAT_PRIM_BOOTMODE_PORT_SHIFT 6
+#define MAIN_DEVSTAT_BKUP_MMC_PORT_MASK BIT(7)
+#define MAIN_DEVSTAT_BKUP_MMC_PORT_SHIFT 7
+
+#define CTRLMMR_WKUP_DEVSTAT (WKUP_CTRL_MMR0_BASE +
0x30)
+#define WKUP_DEVSTAT_PRIMARY_BOOTMODE_MASK GENMASK(5, 3)
+#define WKUP_DEVSTAT_PRIMARY_BOOTMODE_SHIFT 3
+#define WKUP_DEVSTAT_MCU_OMLY_MASK BIT(6)
+#define WKUP_DEVSTAT_MCU_ONLY_SHIFT 6
+
+/* ROM HANDOFF Structure location */
+#define ROM_EXTENDED_BOOT_DATA_INFO 0x41cfdb00
+
+/* MCU SCRATCHPAD usage */
+#define TI_SRAM_SCRATCH_BOARD_EEPROM_START
CONFIG_SYS_K3_MCU_SCRATCHPAD_BASE
+
+#if defined(CONFIG_SYS_K3_SPL_ATF) && !defined(__ASSEMBLY__)
+
+#define J784S4_DEV_MCU_RTI0 367
+#define J784S4_DEV_MCU_RTI1 368
+#define J784S4_DEV_MCU_ARMSS0_CPU0 346
+#define J784S4_DEV_MCU_ARMSS0_CPU1 347
+
+static const u32 put_device_ids[] = {
+ J784S4_DEV_MCU_RTI0,
+ J784S4_DEV_MCU_RTI1,
+};
+
+static const u32 put_core_ids[] = {
+ J784S4_DEV_MCU_ARMSS0_CPU1,
+ J784S4_DEV_MCU_ARMSS0_CPU0, /* Handle CPU0 after CPU1 */
+};
+
+#endif
+
+#endif /* __ASM_ARCH_J784S4_HARDWARE_H */
diff --git a/arch/arm/mach-k3/include/mach/j784s4_spl.h
b/arch/arm/mach-k3/include/mach/j784s4_spl.h
new file mode 100644
index 0000000000..7f6293e628
--- /dev/null
+++ b/arch/arm/mach-k3/include/mach/j784s4_spl.h
@@ -0,0 +1,46 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/
+ * David Huang <d-hu...@ti.com>
+ */
+#ifndef _ASM_ARCH_J784S4_SPL_H_
+#define _ASM_ARCH_J784S4_SPL_H_
+
+/* With BootMode B = 0 */
+#include <linux/bitops.h>
+#define BOOT_DEVICE_HYPERFLASH 0x00
+#define BOOT_DEVICE_OSPI 0x01
+#define BOOT_DEVICE_QSPI 0x02
+#define BOOT_DEVICE_SPI 0x03
+#define BOOT_DEVICE_ETHERNET 0x04
+#define BOOT_DEVICE_I2C 0x06
+#define BOOT_DEVICE_UART 0x07
+#define BOOT_DEVICE_NOR BOOT_DEVICE_HYPERFLASH
+
+/* With BootMode B = 1 */
+#define BOOT_DEVICE_MMC2 0x10
+#define BOOT_DEVICE_MMC1 0x11
+#define BOOT_DEVICE_DFU 0x12
+#define BOOT_DEVICE_UFS 0x13
+#define BOOT_DEVIE_GPMC 0x14
+#define BOOT_DEVICE_PCIE 0x15
+#define BOOT_DEVICE_XSPI 0x16
+#define BOOT_DEVICE_RAM 0x17
+#define BOOT_DEVICE_MMC2_2 0xFF /* Invalid value */
+
+/* Backup boot modes with MCU Only = 0 */
+#define BACKUP_BOOT_DEVICE_RAM 0x0
+#define BACKUP_BOOT_DEVICE_USB 0x1
+#define BACKUP_BOOT_DEVICE_UART 0x3
+#define BACKUP_BOOT_DEVICE_ETHERNET 0x4
+#define BACKUP_BOOT_DEVICE_MMC2 0x5
+#define BACKUP_BOOT_DEVICE_SPI 0x6
+#define BACKUP_BOOT_DEVICE_I2C 0x7
+
+#define BOOT_MODE_B_SHIFT 4
+#define BOOT_MODE_B_MASK BIT(4)
+
+#define K3_PRIMARY_BOOTMODE 0x0
+#define K3_BACKUP_BOOTMODE 0x1
+
+#endif
diff --git a/arch/arm/mach-k3/include/mach/spl.h
b/arch/arm/mach-k3/include/mach/spl.h
index 356cd89210..82f57347e6 100644
--- a/arch/arm/mach-k3/include/mach/spl.h
+++ b/arch/arm/mach-k3/include/mach/spl.h
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0+ */
/*
- * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/
+ * Copyright (C) 2018-2022 Texas Instruments Incorporated - https://www.ti.com/
* Lokesh Vutla <lokeshvu...@ti.com>
*/
#ifndef _ASM_ARCH_SPL_H_
@@ -30,4 +30,8 @@
#include "am62a_spl.h"
#endif
+#ifdef CONFIG_SOC_K3_J784S4
+#include "j784s4_spl.h"
+#endif
+
#endif /* _ASM_ARCH_SPL_H_ */
diff --git a/arch/arm/mach-k3/j784s4_fdt.c b/arch/arm/mach-k3/j784s4_fdt.c
new file mode 100644
index 0000000000..86f33f2d8c
--- /dev/null
+++ b/arch/arm/mach-k3/j784s4_fdt.c
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * J784S4: SoC specific initialization
+ *
+ * Copyright (C) 2023 Texas Instruments Incorporated - https://www.ti.com/
+ * Apurva Nandan <a-nan...@ti.com>
+ */
+
+#include "common_fdt.h"
+#include <fdt_support.h>
+
+int ft_system_setup(void *blob, struct bd_info *bd)
+{
+ return fdt_fixup_msmc_ram_k3(blob);
+}