arch: mach-k3: Introduce basic files to support J722S SoC family

Introduce the basic functions and definitions needed to properly
initialize TI J722S family of SoCs.

Co-developed-by: Vaishnav Achath <vaishnav.a@ti.com>
Signed-off-by: Vaishnav Achath <vaishnav.a@ti.com>
Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
diff --git a/arch/arm/mach-k3/include/mach/hardware.h b/arch/arm/mach-k3/include/mach/hardware.h
index 1024ee6..b191d53 100644
--- a/arch/arm/mach-k3/include/mach/hardware.h
+++ b/arch/arm/mach-k3/include/mach/hardware.h
@@ -36,6 +36,10 @@
 #include "j721s2_hardware.h"
 #endif
 
+#ifdef CONFIG_SOC_K3_J722S
+#include "j722s_hardware.h"
+#endif
+
 #ifdef CONFIG_SOC_K3_J784S4
 #include "j784s4_hardware.h"
 #endif
diff --git a/arch/arm/mach-k3/include/mach/j722s_hardware.h b/arch/arm/mach-k3/include/mach/j722s_hardware.h
new file mode 100644
index 0000000..8d0bec2
--- /dev/null
+++ b/arch/arm/mach-k3/include/mach/j722s_hardware.h
@@ -0,0 +1,83 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * K3: J722S SoC definitions, structures etc.
+ *
+ * Copyright (C) 2024 Texas Instruments Incorporated - https://www.ti.com/
+ */
+
+#ifndef __ASM_ARCH_J722S_HARDWARE_H
+#define __ASM_ARCH_J722S_HARDWARE_H
+
+#include <config.h>
+#ifndef __ASSEMBLY__
+#include <linux/bitops.h>
+#endif
+
+#define PADCFG_MMR0_BASE			0x04080000
+#define PADCFG_MMR1_BASE			0x000f0000
+#define CTRL_MMR0_BASE				0x00100000
+#define MCU_CTRL_MMR0_BASE			0x04500000
+#define WKUP_CTRL_MMR0_BASE			0x43000000
+
+#define CTRLMMR_MAIN_DEVSTAT			(WKUP_CTRL_MMR0_BASE + 0x30)
+#define MAIN_DEVSTAT_PRIMARY_BOOTMODE_MASK	GENMASK(6, 3)
+#define MAIN_DEVSTAT_PRIMARY_BOOTMODE_SHIFT	3
+#define MAIN_DEVSTAT_PRIMARY_BOOTMODE_CFG_MASK	GENMASK(9, 7)
+#define MAIN_DEVSTAT_PRIMARY_BOOTMODE_CFG_SHIFT	7
+#define MAIN_DEVSTAT_BACKUP_BOOTMODE_MASK	GENMASK(12, 10)
+#define MAIN_DEVSTAT_BACKUP_BOOTMODE_SHIFT	10
+#define MAIN_DEVSTAT_BACKUP_BOOTMODE_CFG_MASK	BIT(13)
+#define MAIN_DEVSTAT_BACKUP_BOOTMODE_CFG_SHIFT	13
+
+/* Primary Bootmode MMC Config macros */
+#define MAIN_DEVSTAT_PRIMARY_MMC_PORT_MASK	0x4
+#define MAIN_DEVSTAT_PRIMARY_MMC_PORT_SHIFT	2
+#define MAIN_DEVSTAT_PRIMARY_MMC_FS_RAW_MASK	0x1
+#define MAIN_DEVSTAT_PRIMARY_MMC_FS_RAW_SHIFT	0
+
+/* Primary Bootmode USB Config macros */
+#define MAIN_DEVSTAT_PRIMARY_USB_MODE_SHIFT	1
+#define MAIN_DEVSTAT_PRIMARY_USB_MODE_MASK	0x02
+
+/* Backup Bootmode USB Config macros */
+#define MAIN_DEVSTAT_BACKUP_USB_MODE_MASK	0x01
+
+/*
+ * 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_CTRL_MMR0 lock/kick-mechanism
+ * shared register definitions. The same registers are also used for
+ * PADCFG_MMR lock/kick-mechanism.
+ */
+#define CTRLMMR_LOCK_KICK0			0x1008
+#define CTRLMMR_LOCK_KICK0_UNLOCK_VAL		0x68ef3490
+#define CTRLMMR_LOCK_KICK1			0x100c
+#define CTRLMMR_LOCK_KICK1_UNLOCK_VAL		0xd172bc5a
+
+#define MCU_CTRL_LFXOSC_CTRL			(MCU_CTRL_MMR0_BASE + 0x8038)
+#define MCU_CTRL_LFXOSC_TRIM			(MCU_CTRL_MMR0_BASE + 0x803c)
+#define MCU_CTRL_LFXOSC_32K_DISABLE_VAL		BIT(7)
+
+#define MCU_CTRL_DEVICE_CLKOUT_32K_CTRL		(MCU_CTRL_MMR0_BASE + 0x8058)
+#define MCU_CTRL_DEVICE_CLKOUT_LFOSC_SELECT_VAL	(0x3)
+
+#define ROM_EXTENDED_BOOT_DATA_INFO		0x43c7f1e0
+
+#define K3_BOOT_PARAM_TABLE_INDEX_OCRAM		0x7000F290
+
+#define TI_SRAM_SCRATCH_BOARD_EEPROM_START	0x43c30000
+
+#if defined(CONFIG_SYS_K3_SPL_ATF) && !defined(__ASSEMBLY__)
+
+static const u32 put_device_ids[] = {};
+
+static const u32 put_core_ids[] = {};
+
+#endif
+
+#endif /* __ASM_ARCH_J722S_HARDWARE_H */
diff --git a/arch/arm/mach-k3/include/mach/j722s_spl.h b/arch/arm/mach-k3/include/mach/j722s_spl.h
new file mode 100644
index 0000000..eab8c51
--- /dev/null
+++ b/arch/arm/mach-k3/include/mach/j722s_spl.h
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2024 Texas Instruments Incorporated - https://www.ti.com/
+ */
+
+#ifndef _ASM_ARCH_J722S_SPL_H_
+#define _ASM_ARCH_J722S_SPL_H_
+
+/* Primary BootMode devices */
+#define BOOT_DEVICE_SPI_NAND		0x00
+#define BOOT_DEVICE_RAM			0xFF
+#define BOOT_DEVICE_OSPI		0x01
+#define BOOT_DEVICE_QSPI		0x02
+#define BOOT_DEVICE_SPI			0x03
+#define BOOT_DEVICE_CPGMAC		0x04
+#define BOOT_DEVICE_ETHERNET_RGMII	0x04
+#define BOOT_DEVICE_ETHERNET_RMII	0x05
+#define BOOT_DEVICE_I2C			0x06
+#define BOOT_DEVICE_UART		0x07
+#define BOOT_DEVICE_MMC			0x08
+#define BOOT_DEVICE_EMMC		0x09
+
+#define BOOT_DEVICE_USB			0x2A
+#define BOOT_DEVICE_DFU			0x0A
+#define BOOT_DEVICE_GPMC_NAND		0x0B
+#define BOOT_DEVICE_GPMC_NOR		0x0C
+#define BOOT_DEVICE_XSPI		0x0E
+#define BOOT_DEVICE_NOBOOT		0x0F
+
+/* U-Boot used aliases */
+#define BOOT_DEVICE_ETHERNET		0x04
+#define BOOT_DEVICE_SPINAND		0x10
+#define BOOT_DEVICE_MMC2		0x08
+#define BOOT_DEVICE_MMC1		0x09
+/* Invalid */
+#define BOOT_DEVICE_MMC2_2		0x1F
+
+/* Backup BootMode devices */
+#define BACKUP_BOOT_DEVICE_DFU		0x01
+#define BACKUP_BOOT_DEVICE_UART		0x03
+#define BACKUP_BOOT_DEVICE_ETHERNET	0x04
+#define BACKUP_BOOT_DEVICE_MMC		0x05
+#define BACKUP_BOOT_DEVICE_SPI		0x06
+#define BACKUP_BOOT_DEVICE_I2C		0x07
+#define BACKUP_BOOT_DEVICE_USB		0x09
+
+#define K3_PRIMARY_BOOTMODE		0x0
+
+#endif /* _ASM_ARCH_J722S_SPL_H_ */
diff --git a/arch/arm/mach-k3/include/mach/spl.h b/arch/arm/mach-k3/include/mach/spl.h
index 8394277..ac1a345 100644
--- a/arch/arm/mach-k3/include/mach/spl.h
+++ b/arch/arm/mach-k3/include/mach/spl.h
@@ -38,4 +38,8 @@
 #include "am62p_spl.h"
 #endif
 
+#ifdef CONFIG_SOC_K3_J722S
+#include "j722s_spl.h"
+#endif
+
 #endif /* _ASM_ARCH_SPL_H_ */