diff options
Diffstat (limited to 'arch/arm/mach-k3/include')
| -rw-r--r-- | arch/arm/mach-k3/include/mach/am62p_hardware.h | 65 | ||||
| -rw-r--r-- | arch/arm/mach-k3/include/mach/k3-ddr.h | 15 |
2 files changed, 80 insertions, 0 deletions
diff --git a/arch/arm/mach-k3/include/mach/am62p_hardware.h b/arch/arm/mach-k3/include/mach/am62p_hardware.h index 923466c41f4..95af5c5c547 100644 --- a/arch/arm/mach-k3/include/mach/am62p_hardware.h +++ b/arch/arm/mach-k3/include/mach/am62p_hardware.h @@ -19,6 +19,22 @@ #define MCU_CTRL_MMR0_BASE 0x04500000 #define WKUP_CTRL_MMR0_BASE 0x43000000 +#define CTRLMMR_WKUP_JTAG_DEVICE_ID (WKUP_CTRL_MMR0_BASE + 0x18) +#define JTAG_DEV_CORE_NR_MASK GENMASK(19, 18) +#define JTAG_DEV_CORE_NR_SHIFT 18 +#define JTAG_DEV_CANFD_MASK BIT(15) +#define JTAG_DEV_CANFD_SHIFT 15 +#define JTAG_DEV_VIDEO_CODEC_MASK BIT(14) +#define JTAG_DEV_VIDEO_CODEC_SHIFT 14 +#define JTAG_DEV_SPEED_MASK GENMASK(10, 6) +#define JTAG_DEV_SPEED_SHIFT 6 +#define JTAG_DEV_TEMP_MASK GENMASK(5, 3) +#define JTAG_DEV_TEMP_SHIFT 3 + +#define JTAG_DEV_TEMP_AUTOMOTIVE 0x5 +#define JTAG_DEV_TEMP_EXTENDED_VALUE 105 +#define JTAG_DEV_TEMP_AUTOMOTIVE_VALUE 125 + #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 @@ -72,6 +88,55 @@ #define TI_SRAM_SCRATCH_BOARD_EEPROM_START 0x43c30000 +static inline int k3_get_core_nr(void) +{ + u32 dev_id = readl(CTRLMMR_WKUP_JTAG_DEVICE_ID); + + return ((dev_id & JTAG_DEV_CORE_NR_MASK) >> JTAG_DEV_CORE_NR_SHIFT) + 1; +} + +static inline int k3_has_video_codec(void) +{ + u32 dev_id = readl(CTRLMMR_WKUP_JTAG_DEVICE_ID); + + return !((dev_id & JTAG_DEV_VIDEO_CODEC_MASK) >> JTAG_DEV_VIDEO_CODEC_SHIFT); +} + +static inline int k3_has_canfd(void) +{ + u32 dev_id = readl(CTRLMMR_WKUP_JTAG_DEVICE_ID); + + return (dev_id & JTAG_DEV_CANFD_MASK) >> JTAG_DEV_CANFD_SHIFT; +} + +static inline int k3_get_max_temp(void) +{ + u32 dev_id = readl(CTRLMMR_WKUP_JTAG_DEVICE_ID); + u32 dev_temp = (dev_id & JTAG_DEV_TEMP_MASK) >> JTAG_DEV_TEMP_SHIFT; + + if (dev_temp == JTAG_DEV_TEMP_AUTOMOTIVE) + return JTAG_DEV_TEMP_AUTOMOTIVE_VALUE; + else + return JTAG_DEV_TEMP_EXTENDED_VALUE; +} + +static inline char k3_get_speed_grade(void) +{ + u32 dev_id = readl(CTRLMMR_WKUP_JTAG_DEVICE_ID); + u32 speed_grade = (dev_id & JTAG_DEV_SPEED_MASK) >> + JTAG_DEV_SPEED_SHIFT; + + return 'A' - 1 + speed_grade; +} + +static inline int k3_get_a53_max_frequency(void) +{ + if (k3_get_speed_grade() == 'O') + return 1000000000; + else + return 1250000000; +} + #if defined(CONFIG_SYS_K3_SPL_ATF) && !defined(__ASSEMBLY__) static const u32 put_device_ids[] = {}; diff --git a/arch/arm/mach-k3/include/mach/k3-ddr.h b/arch/arm/mach-k3/include/mach/k3-ddr.h new file mode 100644 index 00000000000..95496e1c59d --- /dev/null +++ b/arch/arm/mach-k3/include/mach/k3-ddr.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2024, Texas Instruments Incorporated - https://www.ti.com/ + */ + +#ifndef _K3_DDR_H_ +#define _K3_DDR_H_ + +int dram_init(void); +int dram_init_banksize(void); + +void fixup_ddr_driver_for_ecc(struct spl_image_info *spl_image); +void fixup_memory_node(struct spl_image_info *spl_image); + +#endif /* _K3_DDR_H_ */ |