arm: mach-k3: introduce basic files to support the am62a

Introduce the mach-k3 files needed to properly boot TI's am62a SoC
family of devices

Signed-off-by: Bryan Brattlof <bb@ti.com>
This commit is contained in:
Bryan Brattlof 2022-11-03 19:13:55 -05:00 committed by Tom Rini
parent e38025c8b5
commit b511b371ad
8 changed files with 396 additions and 7 deletions

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@ -19,6 +19,9 @@ config SOC_K3_AM642
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
@ -29,7 +32,7 @@ config SYS_K3_NON_SECURE_MSRAM_SIZE
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
@ -41,7 +44,7 @@ config SYS_K3_MAX_DOWNLODABLE_IMAGE_SIZE
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.
@ -66,7 +69,7 @@ config SYS_K3_BOOT_PARAM_TABLE_INDEX
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.
@ -135,7 +138,7 @@ config K3_SYSFW_IMAGE_MMCSD_RAW_MODE_PART
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
@ -167,7 +170,7 @@ 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) && !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
@ -185,6 +188,7 @@ config K3_X509_SWRV
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"

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@ -6,6 +6,7 @@
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-$(CONFIG_ARM64) += arm64-mmu.o
obj-$(CONFIG_CPU_V7R) += r5_mpu.o lowlevel_init.o
obj-$(CONFIG_ARM64) += cache.o
@ -15,6 +16,7 @@ obj-$(CONFIG_SOC_K3_J721E) += j721e_init.o
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_K3_LOAD_SYSFW) += sysfw-loader.o
endif
obj-y += common.o security.o

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@ -0,0 +1,250 @@
// 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;
}

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@ -222,7 +222,9 @@ struct mm_region *mem_map = j721s2_mem_map;
#endif /* CONFIG_SOC_K3_J721S2 */
#if defined(CONFIG_SOC_K3_AM642) || defined(CONFIG_SOC_K3_AM625)
#if defined(CONFIG_SOC_K3_AM642) || defined(CONFIG_SOC_K3_AM625) || \
defined(CONFIG_SOC_K3_AM62A7)
/* NR_DRAM_BANKS + 32bit IO + 64bit IO + terminator */
#define NR_MMU_REGIONS (CONFIG_NR_DRAM_BANKS + 3)
@ -261,4 +263,4 @@ struct mm_region am64_mem_map[NR_MMU_REGIONS] = {
};
struct mm_region *mem_map = am64_mem_map;
#endif /* CONFIG_SOC_K3_AM642 || CONFIG_SOC_K3_AM625 */
#endif /* CONFIG_SOC_K3_AM642 || CONFIG_SOC_K3_AM625 || CONFIG_SOC_K3_AM62A7 */

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@ -0,0 +1,74 @@
/* 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 */

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@ -0,0 +1,49 @@
/* 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_ */

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@ -26,6 +26,10 @@
#include "am62_hardware.h"
#endif
#ifdef CONFIG_SOC_K3_AM62A7
#include "am62a_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

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@ -26,4 +26,8 @@
#include "am62_spl.h"
#endif
#ifdef CONFIG_SOC_K3_AM62A7
#include "am62a_spl.h"
#endif
#endif /* _ASM_ARCH_SPL_H_ */