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authorJonas Gorski <jonas.gorski@gmail.com>2012-07-24 16:33:11 +0200
committerRalf Baechle <ralf@linux-mips.org>2012-07-24 16:33:11 +0200
commitaaf3fedb56c95b419eda4c5392e03ad9b82c4847 (patch)
tree85a25757c0b049af11e7306cb72c9989e81c0c98 /arch/mips/include
parent4b897d5483da5c3f3c4d52440a994aad574b62b4 (diff)
MIPS: BCM63XX: Add flash type detection
On BCM6358 and BCM6368 the attached flash type is exposed through a bootstrapping register. Use it for auto detecting the flash type on those and default to parallel flash for earlier SoCs. Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com> Cc: linux-mips@linux-mips.org Cc: Maxime Bizon <mbizon@freebox.fr> Cc: Florian Fainelli <florian@openwrt.org> Cc: Kevin Cernekee <cernekee@gmail.com> Patchwork: https://patchwork.linux-mips.org/patch/3954/ Reviewed-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include')
-rw-r--r--arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h6
-rw-r--r--arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h9
2 files changed, 15 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h
index 8dcb54108c4..354b8481ec4 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h
@@ -1,6 +1,12 @@
#ifndef __BCM63XX_FLASH_H
#define __BCM63XX_FLASH_H
+enum {
+ BCM63XX_FLASH_TYPE_PARALLEL,
+ BCM63XX_FLASH_TYPE_SERIAL,
+ BCM63XX_FLASH_TYPE_NAND,
+};
+
int __init bcm63xx_flash_register(void);
#endif /* __BCM63XX_FLASH_H */
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
index 6a8df5635e7..849fd97e779 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
@@ -507,6 +507,15 @@
#define GPIO_BASEMODE_6368_MASK 0x7
/* those bits must be kept as read in gpio basemode register*/
+#define GPIO_STRAPBUS_REG 0x40
+#define STRAPBUS_6358_BOOT_SEL_PARALLEL (1 << 1)
+#define STRAPBUS_6358_BOOT_SEL_SERIAL (0 << 1)
+#define STRAPBUS_6368_BOOT_SEL_MASK 0x3
+#define STRAPBUS_6368_BOOT_SEL_NAND 0
+#define STRAPBUS_6368_BOOT_SEL_SERIAL 1
+#define STRAPBUS_6368_BOOT_SEL_PARALLEL 3
+
+
/*************************************************************************
* _REG relative to RSET_ENET
*************************************************************************/