openwrt-xburst/target/linux/brcm47xx/patches-3.0/0020-bcm47xx-register-flash-drivers.patch

From 64f3d068654589d6114048ac5933cd4498706cfc Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Sun, 17 Jul 2011 15:02:10 +0200
Subject: [PATCH 20/26] bcm47xx: register flash drivers


Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
 arch/mips/bcm47xx/setup.c |   72 +++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 72 insertions(+), 0 deletions(-)

--- a/arch/mips/bcm47xx/setup.c
+++ b/arch/mips/bcm47xx/setup.c
@@ -30,10 +30,12 @@
 #include <linux/ssb/ssb.h>
 #include <linux/ssb/ssb_embedded.h>
 #include <linux/bcma/bcma_soc.h>
+#include <linux/platform_device.h>
 #include <asm/bootinfo.h>
 #include <asm/reboot.h>
 #include <asm/time.h>
 #include <bcm47xx.h>
+#include <bus.h>
 #include <asm/mach-bcm47xx/nvram.h>
 
 union bcm47xx_bus bcm47xx_bus;
@@ -365,3 +367,73 @@ static int __init bcm47xx_register_bus_c
 	return 0;
 }
 device_initcall(bcm47xx_register_bus_complete);
+
+static struct resource bcm47xx_pflash_resource = {
+	.name	= "bcm47xx_pflash",
+	.start	= 0,
+	.end	= 0,
+	.flags  = 0,
+};
+
+static struct platform_device bcm47xx_pflash_dev = {
+	.name		= "bcm47xx_pflash",
+	.resource	= &bcm47xx_pflash_resource,
+	.num_resources	= 1,
+};
+
+static struct resource bcm47xx_sflash_resource = {
+	.name	= "bcm47xx_sflash",
+	.start	= 0,
+	.end	= 0,
+	.flags  = 0,
+};
+
+static struct platform_device bcm47xx_sflash_dev = {
+	.name		= "bcm47xx_sflash",
+	.resource	= &bcm47xx_sflash_resource,
+	.num_resources	= 1,
+};
+
+static int __init bcm47xx_register_flash(void)
+{
+#ifdef CONFIG_BCM47XX_SSB
+	struct ssb_chipcommon *chipco;
+#endif
+#ifdef CONFIG_BCM47XX_BCMA
+	struct bcma_drv_cc *drv_cc;
+#endif
+	switch (bcm47xx_bus_type) {
+#ifdef CONFIG_BCM47XX_SSB
+	case BCM47XX_BUS_TYPE_SSB:
+		chipco = &bcm47xx_bus.ssb.chipco;
+		if (chipco->flash_type == SSB_PFLASH) {
+			bcm47xx_pflash_resource.start = chipco->pflash.window;
+			bcm47xx_pflash_resource.end = chipco->pflash.window + chipco->pflash.window_size;
+			return platform_device_register(&bcm47xx_pflash_dev);
+		} else if (chipco->flash_type == SSB_SFLASH) {
+			bcm47xx_sflash_dev.dev.platform_data = &bcm47xx_sflash;
+			return platform_device_register(&bcm47xx_sflash_dev);
+		} else {
+			printk(KERN_ERR "No flash device found\n");
+			return -1;
+		}
+#endif
+#ifdef CONFIG_BCM47XX_BCMA
+	case BCM47XX_BUS_TYPE_BCMA:
+		drv_cc = &bcm47xx_bus.bcma.bus.drv_cc;
+		if (drv_cc->flash_type == BCMA_PFLASH) {
+			bcm47xx_pflash_resource.start = drv_cc->pflash.window;
+			bcm47xx_pflash_resource.end = drv_cc->pflash.window + drv_cc->pflash.window_size;
+			return platform_device_register(&bcm47xx_pflash_dev);
+		} else if (drv_cc->flash_type == BCMA_SFLASH) {
+			bcm47xx_sflash_dev.dev.platform_data = &bcm47xx_sflash;
+			return platform_device_register(&bcm47xx_sflash_dev);
+		} else {
+			printk(KERN_ERR "No flash device found\n");
+			return -1;
+		}
+#endif
+	}
+	return -1;
+}
+fs_initcall(bcm47xx_register_flash);