diff options
Diffstat (limited to 'arch/arm/mach-kirkwood/common.c')
| -rw-r--r-- | arch/arm/mach-kirkwood/common.c | 43 |
1 files changed, 34 insertions, 9 deletions
diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c index 2e79dabac53..c8516e352d1 100644 --- a/arch/arm/mach-kirkwood/common.c +++ b/arch/arm/mach-kirkwood/common.c @@ -532,6 +532,12 @@ int kirkwood_tclk; int __init kirkwood_find_tclk(void) { + u32 dev, rev; + + kirkwood_pcie_id(&dev, &rev); + if (dev == MV88F6281_DEV_ID && rev == MV88F6281_REV_A0) + return 200000000; + return 166666667; } @@ -549,18 +555,37 @@ struct sys_timer kirkwood_timer = { /***************************************************************************** * General ****************************************************************************/ +/* + * Identify device ID and revision. + */ static char * __init kirkwood_id(void) { - switch (readl(DEVICE_ID) & 0x3) { - case 0: - return "88F6180"; - case 1: - return "88F6192"; - case 2: - return "88F6281"; + u32 dev, rev; + + kirkwood_pcie_id(&dev, &rev); + + if (dev == MV88F6281_DEV_ID) { + if (rev == MV88F6281_REV_Z0) + return "MV88F6281-Z0"; + else if (rev == MV88F6281_REV_A0) + return "MV88F6281-A0"; + else + return "MV88F6281-Rev-Unsupported"; + } else if (dev == MV88F6192_DEV_ID) { + if (rev == MV88F6192_REV_Z0) + return "MV88F6192-Z0"; + else if (rev == MV88F6192_REV_A0) + return "MV88F6192-A0"; + else + return "MV88F6192-Rev-Unsupported"; + } else if (dev == MV88F6180_DEV_ID) { + if (rev == MV88F6180_REV_A0) + return "MV88F6180-Rev-A0"; + else + return "MV88F6180-Rev-Unsupported"; + } else { + return "Device-Unknown"; } - - return "unknown 88F6000 variant"; } static int __init is_l2_writethrough(void) |