diff options
Diffstat (limited to 'src/soc/amd/common/block/cpu/noncar')
4 files changed, 206 insertions, 0 deletions
diff --git a/src/soc/amd/common/block/cpu/noncar/memlayout.ld b/src/soc/amd/common/block/cpu/noncar/memlayout.ld new file mode 100644 index 0000000000..6f5d4cf82f --- /dev/null +++ b/src/soc/amd/common/block/cpu/noncar/memlayout.ld @@ -0,0 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#if ENV_SEPARATE_VERSTAGE && CONFIG(VBOOT_STARTS_BEFORE_BOOTBLOCK) + #include "memlayout_psp_verstage.ld" +#else + #include "memlayout_x86.ld" +#endif /* ENV_SEPARATE_VERSTAGE && CONFIG(VBOOT_STARTS_BEFORE_BOOTBLOCK) */ diff --git a/src/soc/amd/common/block/cpu/noncar/memlayout_psp_verstage.ld b/src/soc/amd/common/block/cpu/noncar/memlayout_psp_verstage.ld new file mode 100644 index 0000000000..aa27bae1d4 --- /dev/null +++ b/src/soc/amd/common/block/cpu/noncar/memlayout_psp_verstage.ld @@ -0,0 +1,64 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <memlayout.h> +#include <soc/psp_transfer.h> +#include <fmap_config.h> + +/* TODO: Move defines to SoC-specific header file to allow SoC specific values if needed. */ + +/* + * Start of available space is 0x15000 and this is where the + * header for the user app (verstage) must be mapped. + * Size is 0x28000 bytes + */ +#define PSP_SRAM_START 0x15000 +#define PSP_SRAM_SIZE 160K + +#define VERSTAGE_START 0x15000 + +/* + * The temp stack can be made much smaller if needed - even 256 bytes + * should be sufficient. This is just for the function mapping the + * actual stack. + */ +#define PSP_VERSTAGE_TEMP_STACK_START 0x32000 +#define PSP_VERSTAGE_TEMP_STACK_SIZE 4K + +/* + * The top of the stack must be 4k aligned, so set the bottom as 4k aligned + * and make the size a multiple of 4k + */ +#define PSP_VERSTAGE_STACK_START 0x33000 +#define PSP_VERSTAGE_STACK_SIZE 40K + +ENTRY(_psp_vs_start) +SECTIONS +{ + SRAM_START(PSP_SRAM_START) + _verstage = .; + + .text : { *(PSP_HEADER_DATA) } + .text : { *(.text._psp_vs_start) } + .text : { *(.text.Main) } + .text : { *(.text*) } + .rodata : { *(.rodata*) } + + .data : { *(.data*) } + .data : { *(PSP_FOOTER_DATA) } + + _bss_start = .; + .bss : { *(.bss*) } + _bss_end = .; + + ALIGN_COUNTER(64) + _everstage = .; + + #include "memlayout_transfer_buffer.inc" + + PSP_VERSTAGE_TEMP_STACK_END = (PSP_VERSTAGE_TEMP_STACK_START + PSP_VERSTAGE_TEMP_STACK_SIZE ); + + REGION(stack, PSP_VERSTAGE_STACK_START, PSP_VERSTAGE_STACK_SIZE, 64) + PSP_VERSTAGE_STACK_BASE = _stack; + PSP_VERSTAGE_STACK_END = _estack; + SRAM_END(PSP_SRAM_START + PSP_SRAM_SIZE) +} diff --git a/src/soc/amd/common/block/cpu/noncar/memlayout_transfer_buffer.inc b/src/soc/amd/common/block/cpu/noncar/memlayout_transfer_buffer.inc new file mode 100644 index 0000000000..a88e81ac32 --- /dev/null +++ b/src/soc/amd/common/block/cpu/noncar/memlayout_transfer_buffer.inc @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#if CONFIG(VBOOT) + ALIGN_COUNTER(64) + _transfer_buffer = .; + REGION(transfer_info, ., TRANSFER_INFO_SIZE, 4) + + ALIGN_COUNTER(64) + VBOOT2_WORK(., VB2_FIRMWARE_WORKBUF_RECOMMENDED_SIZE) +#endif + + ALIGN_COUNTER(64) + PRERAM_CBMEM_CONSOLE(., CONFIG_PRERAM_CBMEM_CONSOLE_SIZE) + TIMESTAMP(., TIMESTAMP_BUFFER_SIZE) + FMAP_CACHE(., FMAP_SIZE) + +#if CONFIG(VBOOT) + _etransfer_buffer = .; +#endif diff --git a/src/soc/amd/common/block/cpu/noncar/memlayout_x86.ld b/src/soc/amd/common/block/cpu/noncar/memlayout_x86.ld new file mode 100644 index 0000000000..369d43151e --- /dev/null +++ b/src/soc/amd/common/block/cpu/noncar/memlayout_x86.ld @@ -0,0 +1,116 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <memlayout.h> +#include <arch/header.ld> +#include <soc/psp_transfer.h> + +#define EARLY_RESERVED_DRAM_START(addr) SYMBOL(early_reserved_dram, addr) +#define EARLY_RESERVED_DRAM_END(addr) SYMBOL(eearly_reserved_dram, addr) + +#define PSP_SHAREDMEM_DRAM_START(addr) SYMBOL(psp_sharedmem_dram, addr) +#define PSP_SHAREDMEM_DRAM_END(addr) SYMBOL(epsp_sharedmem_dram, addr) + +/* + * + * +--------------------------------+ + * | | + * | | + * | | + * | | + * | | + * | | + * | | + * reserved_dram_end +--------------------------------+ + * | | + * | verstage (if reqd) | + * | (VERSTAGE_SIZE) | + * +--------------------------------+ VERSTAGE_ADDR + * | | + * | FSP-M | + * | (FSP_M_SIZE) | + * +--------------------------------+ FSP_M_ADDR + * | |X86_RESET_VECTOR = ROMSTAGE_ADDR + ROMSTAGE_SIZE - 0x10 + * | romstage | + * | (ROMSTAGE_SIZE) | + * +--------------------------------+ ROMSTAGE_ADDR + * | bootblock | + * | (C_ENV_BOOTBLOCK_SIZE) | + * +--------------------------------+ BOOTBLOCK_ADDR + * | Unused hole | + * +--------------------------------+ + * | FMAP cache (FMAP_SIZE) | + * +--------------------------------+ PSP_SHAREDMEM_BASE + 0x40 + VB2_FIRMWARE_WORKBUF_RECOMMENDED_SIZE + PRERAM_CBMEM_CONSOLE_SIZE + 0x200 + * | Early Timestamp region (512B) | + * +--------------------------------+ PSP_SHAREDMEM_BASE + 0x40 + VB2_FIRMWARE_WORKBUF_RECOMMENDED_SIZE + PRERAM_CBMEM_CONSOLE_SIZE + * | Preram CBMEM console | + * | (PRERAM_CBMEM_CONSOLE_SIZE) | + * +--------------------------------+ PSP_SHAREDMEM_BASE + 0x40 + VB2_FIRMWARE_WORKBUF_RECOMMENDED_SIZE + * | PSP shared (vboot workbuf) | + * |(VB2_FIRMWARE_WORKBUF_RECOMMENDED_SIZE) | + * +--------------------------------+ PSP_SHAREDMEM_BASE + 0x40 + * | Transfer Info Structure | + * +--------------------------------+ PSP_SHAREDMEM_BASE + * | APOB (64KiB) | + * +--------------------------------+ PSP_APOB_DRAM_ADDRESS + * | Early BSP stack | + * | (EARLYRAM_BSP_STACK_SIZE) | + * reserved_dram_start +--------------------------------+ EARLY_RESERVED_DRAM_BASE + * | DRAM | + * +--------------------------------+ 0x100000 + * | Option ROM | + * +--------------------------------+ 0xc0000 + * | Legacy VGA | + * +--------------------------------+ 0xa0000 + * | DRAM | + * +--------------------------------+ 0x0 + */ +SECTIONS +{ + DRAM_START(0x0) + + EARLY_RESERVED_DRAM_START(CONFIG_EARLY_RESERVED_DRAM_BASE) + + EARLYRAM_STACK(., CONFIG_EARLYRAM_BSP_STACK_SIZE) + REGION(apob, CONFIG_PSP_APOB_DRAM_ADDRESS, 64K, 1) + +#if CONFIG(VBOOT) + PSP_SHAREDMEM_DRAM_START(CONFIG_PSP_SHAREDMEM_BASE) +#endif + +#include "memlayout_transfer_buffer.inc" + +#if CONFIG(VBOOT) + PSP_SHAREDMEM_DRAM_END(CONFIG_PSP_SHAREDMEM_BASE + CONFIG_PSP_SHAREDMEM_SIZE) +#endif + _ = ASSERT((CONFIG_BOOTBLOCK_ADDR + CONFIG_C_ENV_BOOTBLOCK_SIZE - 0x10) == CONFIG_X86_RESET_VECTOR, "Reset vector should be -0x10 from end of bootblock"); + _ = ASSERT(CONFIG_BOOTBLOCK_ADDR == ((CONFIG_BOOTBLOCK_ADDR + 0xFFFF) & 0xFFFF0000), "Bootblock must be 16 bit aligned"); + BOOTBLOCK(CONFIG_BOOTBLOCK_ADDR, CONFIG_C_ENV_BOOTBLOCK_SIZE) + ROMSTAGE(CONFIG_ROMSTAGE_ADDR, CONFIG_ROMSTAGE_SIZE) + REGION(fspm, CONFIG_FSP_M_ADDR, CONFIG_FSP_M_SIZE, 1) +#if CONFIG(VBOOT_SEPARATE_VERSTAGE) + VERSTAGE(CONFIG_VERSTAGE_ADDR, CONFIG_VERSTAGE_SIZE) +#endif + + EARLY_RESERVED_DRAM_END(.) + + RAMSTAGE(CONFIG_RAMBASE, 8M) +} + +#if ENV_BOOTBLOCK + +gdtptr16_offset = gdtptr16 & 0xffff; +nullidt_offset = nullidt & 0xffff; + +SECTIONS { + /* Trigger an error if I have an unusable start address */ + _TOO_LOW = CONFIG_X86_RESET_VECTOR - 0xfff0; + _bogus = ASSERT(_start16bit >= _TOO_LOW, "_start16bit too low. Please report."); + + . = CONFIG_X86_RESET_VECTOR; + .reset . : { + *(.reset); + . = 15; + BYTE(0x00); + } +} +#endif /* ENV_BOOTBLOCK */ |