diff options
| -rw-r--r-- | arch/arm/cpu/arm926ejs/kirkwood/cpu.c | 34 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-kirkwood/cpu.h | 2 |
2 files changed, 25 insertions, 11 deletions
diff --git a/arch/arm/cpu/arm926ejs/kirkwood/cpu.c b/arch/arm/cpu/arm926ejs/kirkwood/cpu.c index 82c978bd9..b4a4c0428 100644 --- a/arch/arm/cpu/arm926ejs/kirkwood/cpu.c +++ b/arch/arm/cpu/arm926ejs/kirkwood/cpu.c @@ -54,10 +54,11 @@ unsigned char get_random_hex(void) u8 outbuf[BUFLEN]; /* - * in case of 88F6281/88F6192 A0, + * in case of 88F6281/88F6282/88F6192 A0, * Bit7 need to reset to generate random values in KW_REG_UNDOC_0x1470 - * Soc reg offsets KW_REG_UNDOC_0x1470 and KW_REG_UNDOC_0x1478 are reserved regs and - * Does not have names at this moment (no errata available) + * Soc reg offsets KW_REG_UNDOC_0x1470 and KW_REG_UNDOC_0x1478 are + * reserved regs and does not have names at this moment + * (no errata available) */ writel(readl(KW_REG_UNDOC_0x1478) & ~(1 << 7), KW_REG_UNDOC_0x1478); for (i = 0; i < BUFLEN; i++) { @@ -271,20 +272,31 @@ static void kw_sysrst_check(void) #if defined(CONFIG_DISPLAY_CPUINFO) int print_cpuinfo(void) { - char *name = "Unknown"; + char *rev; + u16 devid = (readl(KW_REG_PCIE_DEVID) >> 16) & 0xffff; + u8 revid = readl(KW_REG_PCIE_REVID) & 0xff; - switch (readl(KW_REG_DEVICE_ID) & 0x03) { - case 1: - name = "88F6192_A0"; + if ((readl(KW_REG_DEVICE_ID) & 0x03) > 2) { + printf("Error.. %s:Unsupported Kirkwood SoC 88F%04x\n", __FUNCTION__, devid); + return -1; + } + + switch (revid) { + case 0: + rev = "Z0"; break; case 2: - name = "88F6281_A0"; + rev = "A0"; + break; + case 3: + rev = "A1"; break; default: - printf("SoC: Unsupported Kirkwood\n"); - return -1; + rev = "??"; + break; } - printf("SoC: Kirkwood %s\n", name); + + printf("SoC: Kirkwood 88F%04x_%s\n", devid, rev); return 0; } #endif /* CONFIG_DISPLAY_CPUINFO */ diff --git a/arch/arm/include/asm/arch-kirkwood/cpu.h b/arch/arm/include/asm/arch-kirkwood/cpu.h index b3022a378..d28c51a9b 100644 --- a/arch/arm/include/asm/arch-kirkwood/cpu.h +++ b/arch/arm/include/asm/arch-kirkwood/cpu.h @@ -35,6 +35,8 @@ #define KWGBE_PORT_SERIAL_CONTROL1_REG(_x) \ ((_x ? KW_EGIGA0_BASE : KW_EGIGA1_BASE) + 0x44c) +#define KW_REG_PCIE_DEVID (KW_REG_PCIE_BASE + 0x00) +#define KW_REG_PCIE_REVID (KW_REG_PCIE_BASE + 0x08) #define KW_REG_DEVICE_ID (KW_MPP_BASE + 0x34) #define KW_REG_SYSRST_CNT (KW_MPP_BASE + 0x50) #define SYSRST_CNT_1SEC_VAL (25*1000000) |