From: Simon Glass <sjg@chromium.org>
Date: Tue, 30 Dec 2014 02:32:24 +0000 (-0700)
Subject: x86: Support ROMs on other archs
X-Git-Tag: v2015.04-rc1~37^2~26
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=bdc88d4eb31e2bc84afb427c216c79e87a4233ef;p=oweals%2Fu-boot.git

x86: Support ROMs on other archs

We shouldn't assume that the VGA ROM can always be loaded at c0000. This
is only true on x86 machines.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
---

diff --git a/arch/x86/include/asm/u-boot-x86.h b/arch/x86/include/asm/u-boot-x86.h
index 36145cb0a8..b98afa801d 100644
--- a/arch/x86/include/asm/u-boot-x86.h
+++ b/arch/x86/include/asm/u-boot-x86.h
@@ -70,4 +70,6 @@ uint64_t timer_get_tsc(void);
 
 void quick_ram_check(void);
 
+#define PCI_VGA_RAM_IMAGE_START		0xc0000
+
 #endif	/* _U_BOOT_I386_H_ */
diff --git a/drivers/pci/pci_rom.c b/drivers/pci/pci_rom.c
index 86f0e95cd5..124b730271 100644
--- a/drivers/pci/pci_rom.c
+++ b/drivers/pci/pci_rom.c
@@ -157,7 +157,13 @@ int pci_rom_load(uint16_t class, struct pci_rom_header *rom_header,
 
 	rom_size = rom_header->size * 512;
 
+#ifdef PCI_VGA_RAM_IMAGE_START
 	target = (void *)PCI_VGA_RAM_IMAGE_START;
+#else
+	target = (void *)malloc(rom_size);
+	if (!target)
+		return -ENOMEM;
+#endif
 	if (target != rom_header) {
 		ulong start = get_timer(0);
 
diff --git a/include/pci_rom.h b/include/pci_rom.h
index 8b2674cf87..4ba36eb1b7 100644
--- a/include/pci_rom.h
+++ b/include/pci_rom.h
@@ -8,7 +8,6 @@
 #define _PCI_ROM_H
 
 #define PCI_ROM_HDR			0xaa55
-#define PCI_VGA_RAM_IMAGE_START		0xc0000
 
 struct pci_rom_header {
 	uint16_t signature;