fix flash buswidth detection

[openwrt-10.03/.git] / target / linux / atheros-2.6 / files / arch / mips / atheros / ar5312.c

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 8404b882c2c3b02a8d2a5b622dc719c19f6c9808..57d56eb0e5e69e265efec2136a908f50600d842f 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 */
+       fctl = sysRegRead(AR531X_FLASHCTL) & FLASHCTL_MW;
+       switch (fctl) {
+               case FLASHCTL_MWx16:
+                       ar5312_flash_data.width = 2;
+                       break;
+               case FLASHCTL_MWx8:
+               default:
+                       ar5312_flash_data.width = 1;
+                       break;
+       }
+
        ar5312_devs[dev++] = &ar5312_physmap_flash;
 
        if (!memcmp(bcfg->enet0Mac, "\xff\xff\xff\xff\xff\xff", 6))