mirror of
				git://git.openwrt.org/openwrt/openwrt.git
				synced 2025-11-03 22:44:27 -05:00 
			
		
		
		
	Runtime-tested on Comtrend AR-5387un. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
		
			
				
	
	
		
			62 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			62 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
From 8a30097a899b975709f728666d5ad20c8b832d21 Mon Sep 17 00:00:00 2001
 | 
						|
From: Jonas Gorski <jogo@openwrt.org>
 | 
						|
Date: Sun, 9 Mar 2014 04:28:14 +0100
 | 
						|
Subject: [PATCH 43/44] MIPS: BCM63XX: allow board implementations to force
 | 
						|
 flash address
 | 
						|
 | 
						|
Allow board implementations to force the physmap address.
 | 
						|
 | 
						|
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
 | 
						|
---
 | 
						|
 arch/mips/bcm63xx/dev-flash.c                         | 19 ++++++++++++++-----
 | 
						|
 .../mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h |  2 ++
 | 
						|
 2 files changed, 16 insertions(+), 5 deletions(-)
 | 
						|
 | 
						|
--- a/arch/mips/bcm63xx/dev-flash.c
 | 
						|
+++ b/arch/mips/bcm63xx/dev-flash.c
 | 
						|
@@ -58,6 +58,12 @@ static struct platform_device mtd_dev =
 | 
						|
 	},
 | 
						|
 };
 | 
						|
 
 | 
						|
+void __init bcm63xx_flash_force_phys_base_address(u32 start, u32 end)
 | 
						|
+{
 | 
						|
+	mtd_resources[0].start = start;
 | 
						|
+	mtd_resources[0].end = end;
 | 
						|
+}
 | 
						|
+
 | 
						|
 static int __init bcm63xx_detect_flash_type(void)
 | 
						|
 {
 | 
						|
 	u32 val;
 | 
						|
@@ -173,12 +179,15 @@ int __init bcm63xx_flash_register(void)
 | 
						|
 
 | 
						|
 	switch (flash_type) {
 | 
						|
 	case BCM63XX_FLASH_TYPE_PARALLEL:
 | 
						|
-		/* read base address of boot chip select (0) */
 | 
						|
-		val = bcm_mpi_readl(MPI_CSBASE_REG(0));
 | 
						|
-		val &= MPI_CSBASE_BASE_MASK;
 | 
						|
 
 | 
						|
-		mtd_resources[0].start = val;
 | 
						|
-		mtd_resources[0].end = 0x1FFFFFFF;
 | 
						|
+		if (!mtd_resources[0].start) {
 | 
						|
+			/* read base address of boot chip select (0) */
 | 
						|
+			val = bcm_mpi_readl(MPI_CSBASE_REG(0));
 | 
						|
+			val &= MPI_CSBASE_BASE_MASK;
 | 
						|
+
 | 
						|
+			mtd_resources[0].start = val;
 | 
						|
+			mtd_resources[0].end = 0x1FFFFFFF;
 | 
						|
+		}
 | 
						|
 
 | 
						|
 		return platform_device_register(&mtd_dev);
 | 
						|
 	case BCM63XX_FLASH_TYPE_SERIAL:
 | 
						|
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h
 | 
						|
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h
 | 
						|
@@ -10,6 +10,8 @@ enum {
 | 
						|
 
 | 
						|
 void bcm63xx_flash_detect(void);
 | 
						|
 
 | 
						|
+void bcm63xx_flash_force_phys_base_address(u32 start, u32 end);
 | 
						|
+
 | 
						|
 int __init bcm63xx_flash_register(void);
 | 
						|
 
 | 
						|
 #endif /* __BCM63XX_FLASH_H */
 |