Signed-off-by: Bin Meng <bmeng...@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)
+
+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();
+
+ 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
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