diff options
Diffstat (limited to 'chip/mchp/lfw/ec_lfw_416kb.ld')
-rw-r--r-- | chip/mchp/lfw/ec_lfw_416kb.ld | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/chip/mchp/lfw/ec_lfw_416kb.ld b/chip/mchp/lfw/ec_lfw_416kb.ld deleted file mode 100644 index 97be2fe06a..0000000000 --- a/chip/mchp/lfw/ec_lfw_416kb.ld +++ /dev/null @@ -1,89 +0,0 @@ -/* Copyright 2021 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - * - * MCHP MEC parts with 416KB SRAM SoC little FW - * - */ - -/* - * Memory Spaces Definitions - * LFW occupies first 4KB of CODE SRAM. - * First 24 bytes contain a minimal Cortex-M4 - * vector table. - */ -MEMORY -{ - VECTOR(r ) : ORIGIN = 0x0C0000, LENGTH = 0x18 - SRAM (xrw) : ORIGIN = 0x0C0018, LENGTH = 0xFE8 -} - -/* - * ld does not allow mathematical expressions in ORIGIN/LENGTH, so check the - * values here. - */ -ASSERT(ORIGIN(VECTOR) + LENGTH(VECTOR) == ORIGIN(SRAM), "Invalid SRAM origin.") -ASSERT(LENGTH(VECTOR) + LENGTH(SRAM) == 0x1000, "Invalid VECTOR+SRAM length.") - -/* - * The entry point is informative, for debuggers and simulators, - * since the Cortex-M vector points to it anyway. - */ -ENTRY(lfw_main) - -/* - * MEC172xN has 416KB total SRAM: 352KB CODE 64KB DATA - * CODE: 0x0C0000 - 0x117FFF - * DATA: 0x118000 - 0x127FFF - * Boot-ROM log is 0x11FF00 - 0x11FFFF - * MEC172x Top 1KB is not cleared if OTP customer flag enabled. - * !!! TODO !!! Does presence of PUF feature move customer area? - * Boot-ROM spec states 3.5KB from top is lost. - * 0x12_7800 - 0x12_7fff 2KB used by PUF option - * 0x12_7400 - 0x12_77ff 1KB Customer use. Not cleared by Boot-ROM - * 0x12_7200 - 0x12_73ff 512 byte Boot-ROM log - * CrOS EC puts panic data at Top of RAM. - * We must set Top of RAM to be customer region far enough to - * hold panic data. - * Set Top of SRAM to 0x12_7800. - * This requires size of SRAM = 0x127800 - 0x118000 = 0xF800 (62 KB) - */ -PROVIDE( lfw_stack_top = 0x127800 ); - -/* Sections Definitions */ - -SECTIONS -{ - - /* - * The vector table goes first - */ - .intvector : - { - . = ALIGN(4); - KEEP(*(.intvector)) - } > VECTOR - - /* - * The program code is stored in the .text section, - * which goes to FLASH. - */ - - .text : - { - *(.text .text.*) /* all remaining code */ - *(.rodata .rodata.*) /* read-only data (constants) */ - } >SRAM - - . = ALIGN(4); - - /* Padding */ - - .fill : { - FILL(0xFF); - . = ORIGIN(SRAM) + LENGTH(SRAM) - 1; - BYTE(0xFF); /* emit at least a byte to make linker happy */ - } - - __image_size = LOADADDR(.text) + SIZEOF(.text) - ORIGIN(VECTOR); -} |