brcm63xx: add linux 4.4 support
[openwrt.git] / target / linux / brcm63xx / patches-4.4 / 355-MIPS-BCM63XX-allow-board-implementations-to-force-fl.patch
diff --git a/target/linux/brcm63xx/patches-4.4/355-MIPS-BCM63XX-allow-board-implementations-to-force-fl.patch b/target/linux/brcm63xx/patches-4.4/355-MIPS-BCM63XX-allow-board-implementations-to-force-fl.patch
new file mode 100644 (file)
index 0000000..bdbba03
--- /dev/null
@@ -0,0 +1,61 @@
+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;
+@@ -172,12 +178,15 @@ 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
+@@ -9,6 +9,8 @@ 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 */