openwrt-xburst/target/linux/brcm63xx/patches-3.3/428-MIPS-BCM63XX-add-flash-detection-for-BCM6362.patch

From d9666553a10ea85ea64e3e8784a42167a1709ed5 Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jonas.gorski@gmail.com>
Date: Mon, 21 Nov 2011 00:48:52 +0100
Subject: [PATCH 55/84] MIPS: BCM63XX: add flash detection for BCM6362

Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
---
 arch/mips/bcm63xx/dev-flash.c                     |   13 ++++++++++++-
 arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h |    1 +
 2 files changed, 13 insertions(+), 1 deletions(-)

--- a/arch/mips/bcm63xx/dev-flash.c
+++ b/arch/mips/bcm63xx/dev-flash.c
@@ -100,6 +100,17 @@ static int __init bcm63xx_detect_flash_t
 			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_HSSPI_CLK_FAST)
+			bcm63xx_spi_flash_info[0].max_speed_hz = 50000000;
+		else
+			bcm63xx_spi_flash_info[0].max_speed_hz = 20000000;
+
+		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);
 		if (val & STRAPBUS_6368_SPI_CLK_FAST)
@@ -136,7 +147,7 @@ int __init bcm63xx_flash_register(void)
 
 		return platform_device_register(&mtd_dev);
 	case BCM63XX_FLASH_TYPE_SERIAL:
-		if (BCMCPU_IS_6328())
+		if (BCMCPU_IS_6328() || BCMCPU_IS_6362())
 			bcm63xx_flash_data.max_transfer_len = HSSPI_BUFFER_LEN;
 
 		return spi_register_board_info(bcm63xx_spi_flash_info,
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
@@ -1304,6 +1304,7 @@
 
 #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)