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For USB DFU boot mode there is a limitation on the load address of boot
images that they have to be less than 0x70001000. Therefore, move the
SPL_TEXT_BASE address to 0x70000000.
Currently ATF is being loaded at 0x70000000, if the SPL is being loaded at
0x70000000 then ATF would overwrite SPL image when loaded. Therefore, move
the location of ATF to a latter location in SRAM, past the SPL image. Also
rearrange the EEPROM and BSS data on top of ATF.
Given below is the placement of various data sections in SRAM
┌──────────────────────────────────────┐0x70000000
│ │
│ │
│ │
│ SPL IMAGE (Max size 1.5 MB) │
│ │
│ │
│ │
├──────────────────────────────────────┤0x7017FFFF
│ │
│ SPL STACK │
│ │
├──────────────────────────────────────┤0x70192727
│ GLOBAL DATA(216 B) │
├──────────────────────────────────────┤0x701927FF
│ │
│ INITIAL HEAP (32 KB) │
│ │
├──────────────────────────────────────┤0x7019A7FF
│ │
│ BSS (20 KB) │
├──────────────────────────────────────┤0x7019F7FF
│ EEPROM DATA (2 KB) │
├──────────────────────────────────────┤0x7019FFFF
│ │
│ │
│ ATF (123 KB) │
│ │
│ │
├──────────────────────────────────────┤0x701BEBFB
│ BOOT PARAMETER INDEX TABLE (5124 B)│
├──────────────────────────────────────┤0x701BFFFF
│ │
│SYSFW FIREWALLED DUE TO A BUG (128 KB)│
│ │
├──────────────────────────────────────┤0x701DFFFF
│ │
│ DMSC CODE AREA (128 KB) │
│ │
└──────────────────────────────────────┘0x701FFFFF
Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Link: https://lore.kernel.org/r/20210604163043.12811-9-a-govindraju@ti.com
59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* K3: AM64 SoC definitions, structures etc.
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*
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* (C) Copyright (C) 2020-2021 Texas Instruments Incorporated - https://www.ti.com/
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*/
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#ifndef __ASM_ARCH_AM64_HARDWARE_H
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#define __ASM_ARCH_AM64_HARDWARE_H
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#define CTRL_MMR0_BASE 0x43000000
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#define CTRLMMR_MAIN_DEVSTAT (CTRL_MMR0_BASE + 0x30)
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#define PADCFG_MMR1_BASE 0xf0000
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#define MAIN_DEVSTAT_PRIMARY_BOOTMODE_MASK 0x00000078
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#define MAIN_DEVSTAT_PRIMARY_BOOTMODE_SHIFT 3
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#define MAIN_DEVSTAT_PRIMARY_BOOTMODE_CFG_MASK 0x00000380
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#define MAIN_DEVSTAT_PRIMARY_BOOTMODE_CFG_SHIFT 7
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#define MAIN_DEVSTAT_BACKUP_BOOTMODE_MASK 0x00001c00
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#define MAIN_DEVSTAT_BACKUP_BOOTMODE_SHIFT 10
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#define MAIN_DEVSTAT_BACKUP_BOOTMODE_CFG_MASK 0x00002000
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#define MAIN_DEVSTAT_BACKUP_BOOTMODE_CFG_SHIFT 13
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/* After the cfg mask and shifts have been applied */
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#define MAIN_DEVSTAT_PRIMARY_MMC_PORT_SHIFT 2
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#define MAIN_DEVSTAT_PRIMARY_MMC_PORT_MASK 0x04
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#define MAIN_DEVSTAT_PRIMARY_USB_MODE_SHIFT 1
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#define MAIN_DEVSTAT_PRIMARY_USB_MODE_MASK 0x02
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#define MAIN_DEVSTAT_BACKUP_USB_MODE_MASK 0x01
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/*
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* The CTRL_MMR and PADCFG_MMR memory space is divided into several
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* equally-spaced partitions, so defining the partition size allows us to
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* determine register addresses common to those partitions.
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*/
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#define CTRL_MMR0_PARTITION_SIZE 0x4000
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/*
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* CTRL_MMR and PADCFG_MMR lock/kick-mechanism shared register definitions.
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*/
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#define CTRLMMR_LOCK_KICK0 0x01008
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#define CTRLMMR_LOCK_KICK0_UNLOCK_VAL 0x68ef3490
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#define CTRLMMR_LOCK_KICK0_UNLOCKED_MASK BIT(0)
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#define CTRLMMR_LOCK_KICK0_UNLOCKED_SHIFT 0
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#define CTRLMMR_LOCK_KICK1 0x0100c
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#define CTRLMMR_LOCK_KICK1_UNLOCK_VAL 0xd172bc5a
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#define ROM_ENTENDED_BOOT_DATA_INFO 0x701beb00
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/* Use Last 2K as Scratch pad */
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#define TI_SRAM_SCRATCH_BOARD_EEPROM_START 0x7019f800
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#endif /* __ASM_ARCH_DRA8_HARDWARE_H */
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