MIPS: BCM63XX: add flash detection for BCM6362

BCM6362 support booting from SPI flash and NAND.
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/5012/Acked-by: John Crispin <blogic@openwrt.org>

arch/mips/bcm63xx/dev-flash.c

@@ -77,6 +77,12 @@ static int __init bcm63xx_detect_flash_type(void)
 			return BCM63XX_FLASH_TYPE_PARALLEL;
 		else
 			return BCM63XX_FLASH_TYPE_SERIAL;
+	case BCM6362_CPU_ID:
+		val = bcm_misc_readl(MISC_STRAPBUS_6362_REG);
+		if (val & STRAPBUS_6362_BOOT_SEL_SERIAL)
+			return BCM63XX_FLASH_TYPE_SERIAL;
+		else
+			return BCM63XX_FLASH_TYPE_NAND;
 	case BCM6368_CPU_ID:
 		val = bcm_gpio_readl(GPIO_STRAPBUS_REG);
 		switch (val & STRAPBUS_6368_BOOT_SEL_MASK) {

arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h

@@ -1372,6 +1372,7 @@
 
 #define MISC_STRAPBUS_6362_REG		0x14
 #define STRAPBUS_6362_FCVO_SHIFT	1
+#define STRAPBUS_6362_HSSPI_CLK_FAST	(1 << 13)
 #define STRAPBUS_6362_FCVO_MASK		(0x1f << STRAPBUS_6362_FCVO_SHIFT)
 #define STRAPBUS_6362_BOOT_SEL_SERIAL	(1 << 15)
 #define STRAPBUS_6362_BOOT_SEL_NAND	(0 << 15)