autodetect flash width - thanks to Kestutis Kupciunas

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@6327 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/atheros-2.6/files/arch/mips/atheros/ar5312.c b/target/linux/atheros-2.6/files/arch/mips/atheros/ar5312.c
index 8404b88..384020b 100644 (file)
--- a/target/linux/atheros-2.6/files/arch/mips/atheros/ar5312.c
+++ b/target/linux/atheros-2.6/files/arch/mips/atheros/ar5312.c
@@ -215,6 +215,7 @@ int __init ar5312_init_devices(void)
        struct ar531x_boarddata *bcfg;
        char *radio, *c;
        int dev = 0;
+       uint32_t fctl = 0;
 
        if (!is_5312)
                return 0;
@@ -253,6 +254,19 @@ int __init ar5312_init_devices(void)
 
        ar5312_eth0_data.board_config = board_config;
        ar5312_eth1_data.board_config = board_config;
+
+       /* fixup flash width; TODO: constants -> defines */
+       fctl = sysRegRead(AR531X_FLASHCTL) & 0x30000000;
+       switch (fctl) {
+               case 0x20000000:
+                       ar5312_flash_data.width = 2;
+                       break;
+               case 0x00000000:
+               default:
+                       ar5312_flash_data.width = 1;
+                       break;
+       }
+
        ar5312_devs[dev++] = &ar5312_physmap_flash;
 
        if (!memcmp(bcfg->enet0Mac, "\xff\xff\xff\xff\xff\xff", 6))