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authorBin Meng <bmeng.cn@gmail.com>2015-10-07 20:19:10 -0700
committerSimon Glass <sjg@chromium.org>2015-10-21 07:46:25 -0600
commit59ec719df62bcb397066aeee66fdbd8f042ca3c7 (patch)
treea1b03e864915b5325fa579ac4733bd1630778084
parent19038e1bb629a365aaf971a65744e2f0e8866d62 (diff)
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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>
-rw-r--r--arch/x86/include/asm/e820.h3
-rw-r--r--arch/x86/include/asm/zimage.h3
-rw-r--r--arch/x86/lib/Makefile1
-rw-r--r--arch/x86/lib/e820.c37
-rw-r--r--arch/x86/lib/zimage.c26
5 files changed, 41 insertions, 29 deletions
diff --git a/arch/x86/include/asm/e820.h b/arch/x86/include/asm/e820.h
index 21bc633..351f021 100644
--- a/arch/x86/include/asm/e820.h
+++ b/arch/x86/include/asm/e820.h
@@ -23,4 +23,7 @@ struct e820entry {
#endif /* __ASSEMBLY__ */
+/* Implementation defined function to install an e820 map */
+unsigned install_e820_map(unsigned max_entries, struct e820entry *);
+
#endif /* _ASM_X86_E820_H */
diff --git a/arch/x86/include/asm/zimage.h b/arch/x86/include/asm/zimage.h
index bf351ed..94fa2a7 100644
--- a/arch/x86/include/asm/zimage.h
+++ b/arch/x86/include/asm/zimage.h
@@ -31,9 +31,6 @@
#define BZIMAGE_LOAD_ADDR 0x100000
#define ZIMAGE_LOAD_ADDR 0x10000
-/* Implementation defined function to install an e820 map. */
-unsigned install_e820_map(unsigned max_entries, struct e820entry *);
-
struct boot_params *load_zimage(char *image, unsigned long kernel_size,
ulong *load_addressp);
int setup_zimage(struct boot_params *setup_base, char *cmd_line, int auto_boot,
diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile
index 6ecd6db..169062e 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 0000000..5babfde
--- /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 a1ec57e..1b33c77 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;