arm: K3: Add basic support for J721S2 SoC definition
Add basic support for J721S2 SoC definition
Signed-off-by: David Huang <d-huang@ti.com>
Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Hari Nagalla <hnagalla@ti.com>
diff --git a/arch/arm/mach-k3/include/mach/hardware.h b/arch/arm/mach-k3/include/mach/hardware.h
index 8725e7d..5c1265f 100644
--- a/arch/arm/mach-k3/include/mach/hardware.h
+++ b/arch/arm/mach-k3/include/mach/hardware.h
@@ -14,6 +14,10 @@
#include "j721e_hardware.h"
#endif
+#ifdef CONFIG_SOC_K3_J721S2
+#include "j721s2_hardware.h"
+#endif
+
#ifdef CONFIG_SOC_K3_AM642
#include "am64_hardware.h"
#endif
diff --git a/arch/arm/mach-k3/include/mach/j721s2_hardware.h b/arch/arm/mach-k3/include/mach/j721s2_hardware.h
new file mode 100644
index 0000000..23dfe2e
--- /dev/null
+++ b/arch/arm/mach-k3/include/mach/j721s2_hardware.h
@@ -0,0 +1,60 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * K3: J721S2 SoC definitions, structures etc.
+ *
+ * (C) Copyright (C) 2021 Texas Instruments Incorporated - http://www.ti.com/
+ */
+#ifndef __ASM_ARCH_J721S2_HARDWARE_H
+#define __ASM_ARCH_J721S2_HARDWARE_H
+
+#include <config.h>
+#ifndef __ASSEMBLY__
+#include <linux/bitops.h>
+#endif
+
+#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 WKUP_CTRL_MMR0_BASE 0x43000000
+#define MCU_CTRL_MMR0_BASE 0x40f00000
+
+#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
+
+/*
+ * The CTRL_MMR0 memory space is divided into several equally-spaced
+ * partitions, so defining the partition size allows us to determine
+ * register addresses common to those partitions.
+ */
+#define CTRL_MMR0_PARTITION_SIZE 0x4000
+
+/*
+ * CTRL_MMR0, WKUP_CTRL_MMR0, and MCU_CTR_MMR0 lock/kick-mechanism
+ * shared register definitions.
+ */
+#define CTRLMMR_LOCK_KICK0 0x01008
+#define CTRLMMR_LOCK_KICK0_UNLOCK_VAL 0x68ef3490
+#define CTRLMMR_LOCK_KICK0_UNLOCKED_MASK BIT(0)
+#define CTRLMMR_LOCK_KICK0_UNLOCKED_SHIFT 0
+#define CTRLMMR_LOCK_KICK1 0x0100c
+#define CTRLMMR_LOCK_KICK1_UNLOCK_VAL 0xd172bc5a
+
+/* ROM HANDOFF Structure location */
+#define ROM_ENTENDED_BOOT_DATA_INFO 0x41cfdb00
+
+/* MCU SCRATCHPAD usage */
+#define TI_SRAM_SCRATCH_BOARD_EEPROM_START CONFIG_SYS_K3_MCU_SCRATCHPAD_BASE
+
+#endif /* __ASM_ARCH_J721S2_HARDWARE_H */
diff --git a/arch/arm/mach-k3/include/mach/j721s2_spl.h b/arch/arm/mach-k3/include/mach/j721s2_spl.h
new file mode 100644
index 0000000..94b6c13
--- /dev/null
+++ b/arch/arm/mach-k3/include/mach/j721s2_spl.h
@@ -0,0 +1,46 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2021 Texas Instruments Incorporated - http://www.ti.com/
+ * David Huang <d-huang@ti.com>
+ */
+#ifndef _ASM_ARCH_J721S2_SPL_H_
+#define _ASM_ARCH_J721S2_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 ef1c3fb..8a61398 100644
--- a/arch/arm/mach-k3/include/mach/spl.h
+++ b/arch/arm/mach-k3/include/mach/spl.h
@@ -14,6 +14,10 @@
#include "j721e_spl.h"
#endif
+#ifdef CONFIG_SOC_K3_J721S2
+#include "j721s2_spl.h"
+#endif
+
#ifdef CONFIG_SOC_K3_AM642
#include "am64_spl.h"
#endif