config SOC_K3_AM625
bool "TI's K3 based AM625 SoC Family Support"
+config SOC_K3_AM62A7
+ bool "TI's K3 based AM62A7 SoC Family Support"
+
endchoice
config SYS_SOC
default 0x80000 if SOC_K3_AM654
default 0x100000 if SOC_K3_J721E || SOC_K3_J721S2
default 0x1c0000 if SOC_K3_AM642
- default 0x3c000 if SOC_K3_AM625
+ default 0x3c000 if SOC_K3_AM625 || SOC_K3_AM62A7
help
Describes the total size of the MCU or OCMC MSRAM present on
the SoC in use. This doesn't specify the total size of SPL as
default 0x58000 if SOC_K3_AM654
default 0xc0000 if SOC_K3_J721E || SOC_K3_J721S2
default 0x180000 if SOC_K3_AM642
- default 0x38000 if SOC_K3_AM625
+ default 0x38000 if SOC_K3_AM625 || SOC_K3_AM62A7
help
Describes the maximum size of the image that ROM can download
from any boot media.
default 0x41cffbfc if SOC_K3_J721E
default 0x41cfdbfc if SOC_K3_J721S2
default 0x701bebfc if SOC_K3_AM642
- default 0x43c3f290 if SOC_K3_AM625
+ default 0x43c3f290 if SOC_K3_AM625 || SOC_K3_AM62A7
help
Address at which ROM stores the value which determines if SPL
is booted up by primary boot media or secondary boot media.
config K3_SYSFW_IMAGE_SIZE_MAX
int "Amount of memory dynamically allocated for loading SYSFW blob"
depends on K3_LOAD_SYSFW
- default 163840 if SOC_K3_AM625
+ default 163840 if SOC_K3_AM625 || SOC_K3_AM62A7
default 278000
help
Amount of memory (in bytes) reserved through dynamic allocation at
config K3_DM_FW
bool "Separate DM firmware image"
- depends on SPL && CPU_V7R && (SOC_K3_J721E || SOC_K3_J721S2 || SOC_K3_AM625) && !CLK_TI_SCI && !TI_SCI_POWER_DOMAIN
+ depends on SPL && CPU_V7R && (SOC_K3_J721E || SOC_K3_J721S2 || SOC_K3_AM625 || SOC_K3_AM62A7) && !CLK_TI_SCI && !TI_SCI_POWER_DOMAIN
default y
help
Enabling this will indicate that the system has separate DM
source "board/ti/am65x/Kconfig"
source "board/ti/am64x/Kconfig"
source "board/ti/am62x/Kconfig"
+source "board/ti/am62ax/Kconfig"
source "board/ti/j721e/Kconfig"
source "board/siemens/iot2050/Kconfig"
source "board/ti/j721s2/Kconfig"
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * AM62A7: SoC specific initialization
+ *
+ * Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/
+ */
+
+#include <spl.h>
+#include <asm/io.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/sysfw-loader.h>
+#include "common.h"
+#include <dm.h>
+#include <dm/uclass-internal.h>
+#include <dm/pinctrl.h>
+
+/*
+ * This uninitialized global variable would normal end up in the .bss section,
+ * but the .bss is cleared between writing and reading this variable, so move
+ * it to the .data section.
+ */
+u32 bootindex __section(".data");
+static struct rom_extended_boot_data bootdata __section(".data");
+
+static void store_boot_info_from_rom(void)
+{
+ bootindex = *(u32 *)(CONFIG_SYS_K3_BOOT_PARAM_TABLE_INDEX);
+ memcpy(&bootdata, (uintptr_t *)ROM_ENTENDED_BOOT_DATA_INFO,
+ sizeof(struct rom_extended_boot_data));
+}
+
+static void ctrl_mmr_unlock(void)
+{
+ /* Unlock all WKUP_CTRL_MMR0 module registers */
+ mmr_unlock(WKUP_CTRL_MMR0_BASE, 0);
+ mmr_unlock(WKUP_CTRL_MMR0_BASE, 1);
+ mmr_unlock(WKUP_CTRL_MMR0_BASE, 2);
+ mmr_unlock(WKUP_CTRL_MMR0_BASE, 3);
+ mmr_unlock(WKUP_CTRL_MMR0_BASE, 4);
+ mmr_unlock(WKUP_CTRL_MMR0_BASE, 5);
+ mmr_unlock(WKUP_CTRL_MMR0_BASE, 6);
+ mmr_unlock(WKUP_CTRL_MMR0_BASE, 7);
+
+ /* Unlock all CTRL_MMR0 module registers */
+ mmr_unlock(CTRL_MMR0_BASE, 0);
+ mmr_unlock(CTRL_MMR0_BASE, 1);
+ mmr_unlock(CTRL_MMR0_BASE, 2);
+ mmr_unlock(CTRL_MMR0_BASE, 4);
+ mmr_unlock(CTRL_MMR0_BASE, 5);
+ mmr_unlock(CTRL_MMR0_BASE, 6);
+
+ /* Unlock all MCU_CTRL_MMR0 module registers */
+ mmr_unlock(MCU_CTRL_MMR0_BASE, 0);
+ mmr_unlock(MCU_CTRL_MMR0_BASE, 1);
+ mmr_unlock(MCU_CTRL_MMR0_BASE, 2);
+ mmr_unlock(MCU_CTRL_MMR0_BASE, 3);
+ mmr_unlock(MCU_CTRL_MMR0_BASE, 4);
+ mmr_unlock(MCU_CTRL_MMR0_BASE, 6);
+
+ /* Unlock PADCFG_CTRL_MMR padconf registers */
+ mmr_unlock(PADCFG_MMR0_BASE, 1);
+ mmr_unlock(PADCFG_MMR1_BASE, 1);
+}
+
+void board_init_f(ulong dummy)
+{
+ struct udevice *dev;
+ int ret;
+
+#if defined(CONFIG_CPU_V7R)
+ setup_k3_mpu_regions();
+#endif
+
+ /*
+ * Cannot delay this further as there is a chance that
+ * K3_BOOT_PARAM_TABLE_INDEX can be over written by SPL MALLOC section.
+ */
+ store_boot_info_from_rom();
+
+ ctrl_mmr_unlock();
+
+ /* Init DM early */
+ spl_early_init();
+
+ /*
+ * Process pinctrl for the serial0 and serial3, aka WKUP_UART0 and
+ * MAIN_UART1 modules and continue regardless of the result of pinctrl.
+ * Do this without probing the device, but instead by searching the
+ * device that would request the given sequence number if probed. The
+ * UARTs will be used by the DM firmware and TIFS firmware images
+ * respectively and the firmware depend on SPL to initialize the pin
+ * settings.
+ */
+ ret = uclass_find_device_by_seq(UCLASS_SERIAL, 0, &dev);
+ if (!ret)
+ pinctrl_select_state(dev, "default");
+
+ ret = uclass_find_device_by_seq(UCLASS_SERIAL, 3, &dev);
+ if (!ret)
+ pinctrl_select_state(dev, "default");
+
+#ifdef CONFIG_K3_EARLY_CONS
+ /*
+ * Allow establishing an early console as required for example when
+ * doing a UART-based boot. Note that this console may not "survive"
+ * through a SYSFW PM-init step and will need a re-init in some way
+ * due to changing module clock frequencies.
+ */
+ early_console_init();
+#endif
+
+#if defined(CONFIG_K3_LOAD_SYSFW)
+ /*
+ * Configure and start up 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.
+ */
+ ret = is_rom_loaded_sysfw(&bootdata);
+ if (!ret)
+ panic("ROM has not loaded TIFS firmware\n");
+
+ k3_sysfw_loader(true, NULL, NULL);
+#endif
+
+ /*
+ * Force probe of clk_k3 driver here to ensure basic default clock
+ * configuration is always done.
+ */
+ if (IS_ENABLED(CONFIG_SPL_CLK_K3)) {
+ ret = uclass_get_device_by_driver(UCLASS_CLK,
+ DM_DRIVER_GET(ti_clk),
+ &dev);
+ if (ret)
+ printf("Failed to initialize clk-k3!\n");
+ }
+
+ preloader_console_init();
+
+ /* Output System Firmware version info */
+ k3_sysfw_print_ver();
+
+#if defined(CONFIG_K3_AM62A_DDRSS)
+ ret = uclass_get_device(UCLASS_RAM, 0, &dev);
+ if (ret)
+ panic("DRAM init failed: %d\n", ret);
+#endif
+
+ printf("am62a_init: %s done\n", __func__);
+}
+
+static u32 __get_backup_bootmedia(u32 devstat)
+{
+ u32 bkup_bootmode = (devstat & MAIN_DEVSTAT_BACKUP_BOOTMODE_MASK) >>
+ MAIN_DEVSTAT_BACKUP_BOOTMODE_SHIFT;
+ u32 bkup_bootmode_cfg =
+ (devstat & MAIN_DEVSTAT_BACKUP_BOOTMODE_CFG_MASK) >>
+ MAIN_DEVSTAT_BACKUP_BOOTMODE_CFG_SHIFT;
+
+ switch (bkup_bootmode) {
+ case BACKUP_BOOT_DEVICE_UART:
+ return BOOT_DEVICE_UART;
+
+ case BACKUP_BOOT_DEVICE_USB:
+ return BOOT_DEVICE_USB;
+
+ case BACKUP_BOOT_DEVICE_ETHERNET:
+ return BOOT_DEVICE_ETHERNET;
+
+ case BACKUP_BOOT_DEVICE_MMC:
+ if (bkup_bootmode_cfg)
+ return BOOT_DEVICE_MMC2;
+ return BOOT_DEVICE_MMC1;
+
+ case BACKUP_BOOT_DEVICE_SPI:
+ return BOOT_DEVICE_SPI;
+
+ case BACKUP_BOOT_DEVICE_I2C:
+ return BOOT_DEVICE_I2C;
+
+ case BACKUP_BOOT_DEVICE_DFU:
+ if (bkup_bootmode_cfg & MAIN_DEVSTAT_BACKUP_USB_MODE_MASK)
+ return BOOT_DEVICE_USB;
+ return BOOT_DEVICE_DFU;
+ };
+
+ return BOOT_DEVICE_RAM;
+}
+
+static u32 __get_primary_bootmedia(u32 devstat)
+{
+ u32 bootmode = (devstat & MAIN_DEVSTAT_PRIMARY_BOOTMODE_MASK) >>
+ MAIN_DEVSTAT_PRIMARY_BOOTMODE_SHIFT;
+ u32 bootmode_cfg = (devstat & MAIN_DEVSTAT_PRIMARY_BOOTMODE_CFG_MASK) >>
+ MAIN_DEVSTAT_PRIMARY_BOOTMODE_CFG_SHIFT;
+
+ switch (bootmode) {
+ case BOOT_DEVICE_OSPI:
+ fallthrough;
+ case BOOT_DEVICE_QSPI:
+ fallthrough;
+ case BOOT_DEVICE_XSPI:
+ fallthrough;
+ case BOOT_DEVICE_SPI:
+ return BOOT_DEVICE_SPI;
+
+ case BOOT_DEVICE_ETHERNET_RGMII:
+ fallthrough;
+ case BOOT_DEVICE_ETHERNET_RMII:
+ return BOOT_DEVICE_ETHERNET;
+
+ case BOOT_DEVICE_EMMC:
+ return BOOT_DEVICE_MMC1;
+
+ case BOOT_DEVICE_SPI_NAND:
+ return BOOT_DEVICE_SPINAND;
+
+ case BOOT_DEVICE_MMC:
+ if ((bootmode_cfg & MAIN_DEVSTAT_PRIMARY_MMC_PORT_MASK) >>
+ MAIN_DEVSTAT_PRIMARY_MMC_PORT_SHIFT)
+ return BOOT_DEVICE_MMC2;
+ return BOOT_DEVICE_MMC1;
+
+ case BOOT_DEVICE_DFU:
+ if ((bootmode_cfg & MAIN_DEVSTAT_PRIMARY_USB_MODE_MASK) >>
+ MAIN_DEVSTAT_PRIMARY_USB_MODE_SHIFT)
+ return BOOT_DEVICE_USB;
+ return BOOT_DEVICE_DFU;
+
+ case BOOT_DEVICE_NOBOOT:
+ return BOOT_DEVICE_RAM;
+ }
+
+ return bootmode;
+}
+
+u32 spl_boot_device(void)
+{
+ u32 devstat = readl(CTRLMMR_MAIN_DEVSTAT);
+ u32 bootmedia;
+
+ if (bootindex == K3_PRIMARY_BOOTMODE)
+ bootmedia = __get_primary_bootmedia(devstat);
+ else
+ bootmedia = __get_backup_bootmedia(devstat);
+
+ printf("am62a_init: %s: devstat = 0x%x bootmedia = 0x%x bootindex = %d\n",
+ __func__, devstat, bootmedia, bootindex);
+ return bootmedia;
+}
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * K3: AM62A SoC definitions, structures etc.
+ *
+ * Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/
+ */
+
+#ifndef __ASM_ARCH_AM62A_HARDWARE_H
+#define __ASM_ARCH_AM62A_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_ENTENDED_BOOT_DATA_INFO 0x43c3f1e0
+
+/* Use Last 2K as Scratch pad */
+#define TI_SRAM_SCRATCH_BOARD_EEPROM_START 0x70000001
+
+#endif /* __ASM_ARCH_AM62A_HARDWARE_H */
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/
+ */
+
+#ifndef _ASM_ARCH_AM62A_SPL_H_
+#define _ASM_ARCH_AM62A_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_AM62A_SPL_H_ */