Hi Bin, On 4 December 2014 at 08:03, Bin Meng <bmeng...@gmail.com> wrote: > 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)
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 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot