diff options
| author | Simon Glass <sjg@chromium.org> | 2017-01-16 07:03:38 -0700 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2017-02-06 11:38:46 +0800 |
| commit | 8d8f3acda976f2f400df660b8da12b9b2c702986 (patch) | |
| tree | ad2d4fdda96607bebb4fbac7c33b831990e6fa11 /arch/x86/cpu | |
| parent | 05af050e9f1d6c120744e0e7a683d9b0be886d28 (diff) | |
x86: ivybridge: Add more debugging for failures
Add various debug() messages in places where errors occur. This aids with
debugging.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'arch/x86/cpu')
| -rw-r--r-- | arch/x86/cpu/ivybridge/cpu.c | 4 | ||||
| -rw-r--r-- | arch/x86/cpu/ivybridge/sdram.c | 37 |
2 files changed, 31 insertions, 10 deletions
diff --git a/arch/x86/cpu/ivybridge/cpu.c b/arch/x86/cpu/ivybridge/cpu.c index 85e361a58f..c4aca08f0d 100644 --- a/arch/x86/cpu/ivybridge/cpu.c +++ b/arch/x86/cpu/ivybridge/cpu.c @@ -169,8 +169,10 @@ int print_cpuinfo(void) /* Enable SPD ROMs and DDR-III DRAM */ ret = uclass_first_device_err(UCLASS_I2C, &dev); - if (ret) + if (ret) { + debug("%s: Failed to get I2C (ret=%d)\n", __func__, ret); return ret; + } /* Prepare USB controller early in S3 resume */ if (boot_mode == PEI_BOOT_RESUME) { diff --git a/arch/x86/cpu/ivybridge/sdram.c b/arch/x86/cpu/ivybridge/sdram.c index e0b06b5ada..201368c9c7 100644 --- a/arch/x86/cpu/ivybridge/sdram.c +++ b/arch/x86/cpu/ivybridge/sdram.c @@ -207,8 +207,10 @@ static int copy_spd(struct udevice *dev, struct pei_data *peid) int ret; ret = mrc_locate_spd(dev, sizeof(peid->spd_data[0]), &data); - if (ret) + if (ret) { + debug("%s: Could not locate SPD (ret=%d)\n", __func__, ret); return ret; + } memcpy(peid->spd_data[0], data, sizeof(peid->spd_data[0])); @@ -460,18 +462,27 @@ int dram_init(void) /* We need the pinctrl set up early */ ret = syscon_get_by_driver_data(X86_SYSCON_PINCONF, &dev); - if (ret) + if (ret) { + debug("%s: Could not get pinconf (ret=%d)\n", __func__, ret); return ret; + } ret = uclass_first_device_err(UCLASS_NORTHBRIDGE, &dev); - if (ret) + if (ret) { + debug("%s: Could not get northbridge (ret=%d)\n", __func__, + ret); return ret; + } ret = syscon_get_by_driver_data(X86_SYSCON_ME, &me_dev); - if (ret) + if (ret) { + debug("%s: Could not get ME (ret=%d)\n", __func__, ret); return ret; + } ret = copy_spd(dev, pei_data); - if (ret) + if (ret) { + debug("%s: Could not get SPD (ret=%d)\n", __func__, ret); return ret; + } pei_data->boot_mode = gd->arch.pei_boot_mode; debug("Boot mode %d\n", gd->arch.pei_boot_mode); debug("mrc_input %p\n", pei_data->mrc_input); @@ -498,19 +509,27 @@ int dram_init(void) /* Wait for ME to be ready */ ret = intel_early_me_init(me_dev); - if (ret) + if (ret) { + debug("%s: Could not init ME (ret=%d)\n", __func__, ret); return ret; + } ret = intel_early_me_uma_size(me_dev); - if (ret < 0) + if (ret < 0) { + debug("%s: Could not get UMA size (ret=%d)\n", __func__, ret); return ret; + } ret = mrc_common_init(dev, pei_data, false); - if (ret) + if (ret) { + debug("%s: mrc_common_init() failed (ret=%d)\n", __func__, ret); return ret; + } ret = sdram_find(dev); - if (ret) + if (ret) { + debug("%s: sdram_find() failed (ret=%d)\n", __func__, ret); return ret; + } gd->ram_size = gd->arch.meminfo.total_32bit_memory; debug("MRC output data length %#x at %p\n", pei_data->mrc_output_len, |