Hi Bin,
On 4 December 2014 at 08:03, Bin Meng bmeng.cn@gmail.com wrote:
Signed-off-by: Bin Meng bmeng.cn@gmail.com
arch/x86/cpu/queensbay/tnc.c | 26 +++++++++++++++++++++++++- include/configs/crownbay.h | 2 ++ 2 files changed, 27 insertions(+), 1 deletion(-)
diff --git a/arch/x86/cpu/queensbay/tnc.c b/arch/x86/cpu/queensbay/tnc.c index c0d19aa..eea70c0 100644 --- a/arch/x86/cpu/queensbay/tnc.c +++ b/arch/x86/cpu/queensbay/tnc.c @@ -6,17 +6,41 @@
#include <common.h> #include <asm/io.h> +#include <asm/pci.h> #include <asm/post.h> #include <asm/arch/fsp/fsp_support.h>
+/* PCI Configuration Space (D31:F0): LPC */ +#define PCH_LPC_DEV PCI_BDF(0, 0x1f, 0)
Can this go in a header file somwhere?
+static void unprotect_spi_flash(void) +{
u32 bc;bc = pci_read_config32(PCH_LPC_DEV, 0xd8);bc |= 0x1; /* unprotect the flash */pci_write_config32(PCH_LPC_DEV, 0xd8, bc);+}
int arch_cpu_init(void) {
struct pci_controller *hose;int ret;post_code(POST_CPU_INIT);#ifdef CONFIG_SYS_X86_TSC_TIMER timer_set_base(rdtsc()); #endif
return x86_cpu_init_f();
x86_cpu_init_f();
Need to check error return.
ret = pci_early_init_hose(&hose);if (ret)return ret;unprotect_spi_flash();return 0;}
int print_cpuinfo(void) diff --git a/include/configs/crownbay.h b/include/configs/crownbay.h index 2314e62..a051b11 100644 --- a/include/configs/crownbay.h +++ b/include/configs/crownbay.h @@ -45,6 +45,8 @@ #define CONFIG_SCSI_DEV_LIST \ {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_TCF_SATA}
+#define CONFIG_SPI_FLASH_SST
/* Video is not supported */ #undef CONFIG_VIDEO
#undef CONFIG_CFB_CONSOLE
1.8.2.1
Regards, Simon