[RFC PATCH 10/15] arch: mach-k3: Introduce basic files to support J722S SoC family
Jayesh Choudhary
j-choudhary at ti.com
Thu Apr 4 11:00:34 CEST 2024
Introduce the basic functions and definitions needed to properly
initialize TI J722S family of SoCs.
Co-developed-by: Vaishnav Achath <vaishnav.a at ti.com>
Signed-off-by: Vaishnav Achath <vaishnav.a at ti.com>
Signed-off-by: Jayesh Choudhary <j-choudhary at ti.com>
---
arch/arm/mach-k3/Kconfig | 7 +-
arch/arm/mach-k3/Makefile | 1 +
arch/arm/mach-k3/include/mach/hardware.h | 4 +
.../arm/mach-k3/include/mach/j722s_hardware.h | 83 ++++++
arch/arm/mach-k3/include/mach/j722s_spl.h | 49 ++++
arch/arm/mach-k3/include/mach/spl.h | 4 +
arch/arm/mach-k3/j722s/Kconfig | 32 ++
arch/arm/mach-k3/j722s_init.c | 276 ++++++++++++++++++
8 files changed, 455 insertions(+), 1 deletion(-)
create mode 100644 arch/arm/mach-k3/include/mach/j722s_hardware.h
create mode 100644 arch/arm/mach-k3/include/mach/j722s_spl.h
create mode 100644 arch/arm/mach-k3/j722s/Kconfig
create mode 100644 arch/arm/mach-k3/j722s_init.c
diff --git a/arch/arm/mach-k3/Kconfig b/arch/arm/mach-k3/Kconfig
index 2bb970c2d4..f3f42b3921 100644
--- a/arch/arm/mach-k3/Kconfig
+++ b/arch/arm/mach-k3/Kconfig
@@ -25,6 +25,9 @@ config SOC_K3_J721E
config SOC_K3_J721S2
bool "TI's K3 based J721S2 SoC Family Support"
+config SOC_K3_J722S
+ bool "TI's K3 based J722S SoC Family Support"
+
config SOC_K3_J784S4
bool "TI's K3 based J784S4 SoC Family Support"
@@ -84,6 +87,7 @@ config SYS_K3_BOOT_PARAM_TABLE_INDEX
default 0x43c3f290 if SOC_K3_AM62A7 && CPU_V7R
default 0x7000f290 if SOC_K3_AM62A7 && ARM64
default 0x43c4f290 if SOC_K3_AM62P5
+ default 0x43c7f290 if SOC_K3_J722S
help
Address at which ROM stores the value which determines if SPL
is booted up by primary boot media or secondary boot media.
@@ -122,7 +126,7 @@ config K3_EARLY_CONS_IDX
config K3_ATF_LOAD_ADDR
hex "Load address of ATF image"
- default 0x80000000 if (SOC_K3_AM625 || SOC_K3_AM62A7 || SOC_K3_AM62P5)
+ default 0x80000000 if (SOC_K3_AM625 || SOC_K3_AM62A7 || SOC_K3_AM62P5 || SOC_K3_J722S)
default 0x70000000
help
The load address for the ATF image. This value is used to build the
@@ -163,6 +167,7 @@ source "arch/arm/mach-k3/am62ax/Kconfig"
source "arch/arm/mach-k3/am62px/Kconfig"
source "arch/arm/mach-k3/j721e/Kconfig"
source "arch/arm/mach-k3/j721s2/Kconfig"
+source "arch/arm/mach-k3/j722s/Kconfig"
source "arch/arm/mach-k3/j784s4/Kconfig"
endif
diff --git a/arch/arm/mach-k3/Makefile b/arch/arm/mach-k3/Makefile
index 6ee9864c72..87baa6f313 100644
--- a/arch/arm/mach-k3/Makefile
+++ b/arch/arm/mach-k3/Makefile
@@ -23,5 +23,6 @@ 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_SOC_K3_AM62P5) += am62p5_init.o
+obj-$(CONFIG_SOC_K3_J722S) += j722s_init.o
endif
obj-y += common.o security.o
diff --git a/arch/arm/mach-k3/include/mach/hardware.h b/arch/arm/mach-k3/include/mach/hardware.h
index b4bc121cbf..e8abe01137 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 0000000000..8d0bec2206
--- /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 0000000000..eab8c511b7
--- /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 8394277922..ac1a34502e 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_ */
diff --git a/arch/arm/mach-k3/j722s/Kconfig b/arch/arm/mach-k3/j722s/Kconfig
new file mode 100644
index 0000000000..9d450d8dc4
--- /dev/null
+++ b/arch/arm/mach-k3/j722s/Kconfig
@@ -0,0 +1,32 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (C) 2024 Texas Instruments Incorporated - https://www.ti.com/
+#
+
+if SOC_K3_J722S
+
+choice
+ prompt "TI K3 J722S based boards"
+ optional
+
+config TARGET_J722S_A53_EVM
+ bool "TI K3 based J722S EVM running on A53"
+ select ARM64
+ select BINMAN
+
+config TARGET_J722S_R5_EVM
+ bool "TI K3 based J722S EVM running on R5"
+ select CPU_V7R
+ select SYS_THUMB_BUILD
+ select K3_LOAD_SYSFW
+ select RAM
+ select SPL_RAM
+ select K3_DDRSS
+ select BINMAN
+ imply SYS_K3_SPL_ATF
+
+endchoice
+
+source "board/ti/j722s/Kconfig"
+
+endif
diff --git a/arch/arm/mach-k3/j722s_init.c b/arch/arm/mach-k3/j722s_init.c
new file mode 100644
index 0000000000..0a6e06f0cb
--- /dev/null
+++ b/arch/arm/mach-k3/j722s_init.c
@@ -0,0 +1,276 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * J722S: SoC specific initialization
+ *
+ * Copyright (C) 2024 Texas Instruments Incorporated - https://www.ti.com/
+ */
+
+#include <spl.h>
+#include <asm/io.h>
+#include <asm/arch/hardware.h>
+#include "sysfw-loader.h"
+#include "common.h"
+#include <dm.h>
+#include <dm/uclass-internal.h>
+#include <dm/pinctrl.h>
+
+struct fwl_data cbass_main_fwls[] = {
+ { "FSS_DAT_REG3", 7, 8 },
+};
+
+/*
+ * 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_EXTENDED_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 (IS_ENABLED(CONFIG_CPU_V7R))
+ setup_k3_mpu_regions();
+
+ /*
+ * 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 */
+ ret = spl_early_init();
+ if (ret)
+ panic("spl_early_init() failed: %d\n", ret);
+
+ /*
+ * Process pinctrl for the serial0 a.k.a. WKUP_UART0 module 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 UART will be used by the DM
+ * firmware image for various purposes and TIFS depends on us to
+ * initialize its pin settings.
+ */
+ ret = uclass_find_device_by_seq(UCLASS_SERIAL, 0, &dev);
+ if (!ret)
+ pinctrl_select_state(dev, "default");
+
+ if (IS_ENABLED(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.
+ */
+ ret = early_console_init();
+ if (ret)
+ panic("early_console_init() failed: %d\n", ret);
+ }
+
+ if (IS_ENABLED(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);
+ }
+
+ /*
+ * 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 (IS_ENABLED(CONFIG_CPU_V7R)) {
+ /* Disable ROM configured firewalls right after loading sysfw */
+ remove_fwl_configs(cbass_main_fwls, ARRAY_SIZE(cbass_main_fwls));
+ }
+
+ if (IS_ENABLED(CONFIG_K3_AM62A_DDRSS)) {
+ ret = uclass_get_device(UCLASS_RAM, 0, &dev);
+ if (ret)
+ panic("DRAM init failed: %d\n", ret);
+ }
+
+ debug("j722s_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);
+
+ debug("j722s_init: %s: devstat = 0x%x bootmedia = 0x%x bootindex = %d\n",
+ __func__, devstat, bootmedia, bootindex);
+ return bootmedia;
+}
+
+u32 spl_mmc_boot_mode(struct mmc *mmc, const u32 boot_device)
+{
+ u32 devstat = readl(CTRLMMR_MAIN_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_EMMC:
+ return MMCSD_MODE_EMMCBOOT;
+ case BOOT_DEVICE_MMC:
+ if (bootmode_cfg & MAIN_DEVSTAT_PRIMARY_MMC_FS_RAW_MASK)
+ return MMCSD_MODE_RAW;
+ default:
+ return MMCSD_MODE_FS;
+ }
+}
--
2.25.1
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