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author | Bin Meng <bmeng.cn@gmail.com> | 2015-10-07 20:19:10 -0700 |
---|---|---|
committer | Simon Glass <sjg@chromium.org> | 2015-10-21 07:46:25 -0600 |
commit | 59ec719df62bcb397066aeee66fdbd8f042ca3c7 (patch) | |
tree | a1b03e864915b5325fa579ac4733bd1630778084 /arch/x86/lib | |
parent | 19038e1bb629a365aaf971a65744e2f0e8866d62 (diff) | |
download | talos-obmc-uboot-59ec719df62bcb397066aeee66fdbd8f042ca3c7.tar.gz talos-obmc-uboot-59ec719df62bcb397066aeee66fdbd8f042ca3c7.zip |
x86: Move install_e820_map() out of zimage.c
install_e820_map() has nothing to do with zimage related codes.
Move it to a dedicated place.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/x86/lib')
-rw-r--r-- | arch/x86/lib/Makefile | 1 | ||||
-rw-r--r-- | arch/x86/lib/e820.c | 37 | ||||
-rw-r--r-- | arch/x86/lib/zimage.c | 26 |
3 files changed, 38 insertions, 26 deletions
diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile index 6ecd6dbd9d..169062e718 100644 --- a/arch/x86/lib/Makefile +++ b/arch/x86/lib/Makefile @@ -12,6 +12,7 @@ obj-$(CONFIG_CMD_BOOTM) += bootm.o obj-y += cmd_boot.o obj-$(CONFIG_HAVE_FSP) += cmd_hob.o obj-$(CONFIG_EFI) += efi/ +obj-y += e820.o obj-y += gcc.o obj-y += init_helpers.o obj-y += interrupts.o diff --git a/arch/x86/lib/e820.c b/arch/x86/lib/e820.c new file mode 100644 index 0000000000..5babfde268 --- /dev/null +++ b/arch/x86/lib/e820.c @@ -0,0 +1,37 @@ +/* + * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/e820.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* + * Install a default e820 table with 4 entries as follows: + * + * 0x000000-0x0a0000 Useable RAM + * 0x0a0000-0x100000 Reserved for ISA + * 0x100000-gd->ram_size Useable RAM + * CONFIG_PCIE_ECAM_BASE PCIe ECAM + */ +__weak unsigned install_e820_map(unsigned max_entries, + struct e820entry *entries) +{ + entries[0].addr = 0; + entries[0].size = ISA_START_ADDRESS; + entries[0].type = E820_RAM; + entries[1].addr = ISA_START_ADDRESS; + entries[1].size = ISA_END_ADDRESS - ISA_START_ADDRESS; + entries[1].type = E820_RESERVED; + entries[2].addr = ISA_END_ADDRESS; + entries[2].size = gd->ram_size - ISA_END_ADDRESS; + entries[2].type = E820_RAM; + entries[3].addr = CONFIG_PCIE_ECAM_BASE; + entries[3].size = CONFIG_PCIE_ECAM_SIZE; + entries[3].type = E820_RESERVED; + + return 4; +} diff --git a/arch/x86/lib/zimage.c b/arch/x86/lib/zimage.c index a1ec57e8d3..1b33c77139 100644 --- a/arch/x86/lib/zimage.c +++ b/arch/x86/lib/zimage.c @@ -42,32 +42,6 @@ DECLARE_GLOBAL_DATA_PTR; #define COMMAND_LINE_SIZE 2048 -/* - * Install a default e820 table with 3 entries as follows: - * - * 0x000000-0x0a0000 Useable RAM - * 0x0a0000-0x100000 Reserved for ISA - * 0x100000-gd->ram_size Useable RAM - */ -__weak unsigned install_e820_map(unsigned max_entries, - struct e820entry *entries) -{ - entries[0].addr = 0; - entries[0].size = ISA_START_ADDRESS; - entries[0].type = E820_RAM; - entries[1].addr = ISA_START_ADDRESS; - entries[1].size = ISA_END_ADDRESS - ISA_START_ADDRESS; - entries[1].type = E820_RESERVED; - entries[2].addr = ISA_END_ADDRESS; - entries[2].size = gd->ram_size - ISA_END_ADDRESS; - entries[2].type = E820_RAM; - entries[3].addr = CONFIG_PCIE_ECAM_BASE; - entries[3].size = CONFIG_PCIE_ECAM_SIZE; - entries[3].type = E820_RESERVED; - - return 4; -} - static void build_command_line(char *command_line, int auto_boot) { char *env_command_line; |