From: Mateusz Holenko <mholenko@antmicro.com>
Date: Mon, 17 Feb 2020 15:52:08 +0000 (+0100)
Subject: bios/boot: allow to customize flash offsets of Linux images
X-Git-Tag: 24jan2021_ls180~652^2
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=659c244a0b67f2a5020869aa97fd87be33cfe429;p=litex.git

bios/boot: allow to customize flash offsets of Linux images
---

diff --git a/litex/soc/software/bios/boot.c b/litex/soc/software/bios/boot.c
index 6a828506..f49d89e4 100644
--- a/litex/soc/software/bios/boot.c
+++ b/litex/soc/software/bios/boot.c
@@ -409,10 +409,18 @@ static int copy_image_from_flash_to_ram(unsigned int flash_address, unsigned int
 }
 #endif
 
-#define KERNEL_IMAGE_FLASH_OFFSET      0x00000000 //  0MB
-#define ROOTFS_IMAGE_FLASH_OFFSET      0x00500000 //  5MB
-#define DEVICE_TREE_IMAGE_FLASH_OFFSET 0x00D00000 // 13MB
-#define EMULATOR_IMAGE_FLASH_OFFSET    0x00E00000 // 14MB
+#ifndef KERNEL_IMAGE_FLASH_OFFSET
+	#define KERNEL_IMAGE_FLASH_OFFSET      0x00000000 //  0MB
+#endif
+#ifndef ROOTFS_IMAGE_FLASH_OFFSET
+	#define ROOTFS_IMAGE_FLASH_OFFSET      0x00500000 //  5MB
+#endif
+#ifndef DEVICE_TREE_IMAGE_FLASH_OFFSET
+	#define DEVICE_TREE_IMAGE_FLASH_OFFSET 0x00D00000 // 13MB
+#endif
+#ifndef EMULATOR_IMAGE_FLASH_OFFSET
+	#define EMULATOR_IMAGE_FLASH_OFFSET    0x00E00000 // 14MB
+#endif
 
 void flashboot(void)
 {