[U-Boot] [PATCH 04/22] x86: Add a x86_ prefix to the x86-specific PCI functions

Bin Meng bmeng.cn at gmail.com
Wed Feb 25 09:32:08 CET 2015


On Thu, Feb 19, 2015 at 5:10 AM, Simon Glass <sjg at chromium.org> wrote:
> These functions currently use a generic name, but they are for x86 only.
> This may introduce confusion and prevents U-Boot from using these names
> more widely.
>
> In fact it should be possible to remove these at some point and use
> generic functions, but for now, rename them.
>
> Signed-off-by: Simon Glass <sjg at chromium.org>
> ---
>
>  arch/x86/cpu/baytrail/early_uart.c       |  5 ++-
>  arch/x86/cpu/ivybridge/bd82x6x.c         | 32 +++++++-------
>  arch/x86/cpu/ivybridge/cpu.c             | 38 ++++++++--------
>  arch/x86/cpu/ivybridge/early_init.c      | 58 +++++++++++++------------
>  arch/x86/cpu/ivybridge/early_me.c        | 12 +++---
>  arch/x86/cpu/ivybridge/gma.c             |  4 +-
>  arch/x86/cpu/ivybridge/lpc.c             | 74 ++++++++++++++++----------------
>  arch/x86/cpu/ivybridge/northbridge.c     |  6 +--
>  arch/x86/cpu/ivybridge/pch.c             |  4 +-
>  arch/x86/cpu/ivybridge/pci.c             |  4 +-
>  arch/x86/cpu/ivybridge/report_platform.c |  4 +-
>  arch/x86/cpu/ivybridge/sata.c            | 61 +++++++++++++-------------
>  arch/x86/cpu/ivybridge/sdram.c           | 20 ++++-----
>  arch/x86/cpu/ivybridge/usb_ehci.c        |  4 +-
>  arch/x86/cpu/ivybridge/usb_xhci.c        |  8 ++--
>  arch/x86/cpu/pci.c                       | 12 +++---
>  arch/x86/cpu/quark/quark.c               |  4 +-
>  arch/x86/cpu/queensbay/tnc.c             |  4 +-
>  arch/x86/include/asm/pci.h               | 12 +++---
>  arch/x86/lib/bios_interrupts.c           | 12 +++---
>  drivers/gpio/intel_ich6_gpio.c           | 16 +++----
>  21 files changed, 199 insertions(+), 195 deletions(-)
>
> diff --git a/arch/x86/cpu/baytrail/early_uart.c b/arch/x86/cpu/baytrail/early_uart.c
> index 4199210..b64a3a9 100644
> --- a/arch/x86/cpu/baytrail/early_uart.c
> +++ b/arch/x86/cpu/baytrail/early_uart.c
> @@ -50,7 +50,7 @@ static void score_select_func(int pad, int func)
>         writel(reg, pconf0_addr);
>  }
>
> -static void pci_write_config32(int dev, unsigned int where, u32 value)
> +static void x86_pci_write_config32(int dev, unsigned int where, u32 value)
>  {
>         unsigned long addr;
>
> @@ -62,7 +62,8 @@ static void pci_write_config32(int dev, unsigned int where, u32 value)
>  int setup_early_uart(void)
>  {
>         /* Enable the legacy UART hardware. */
> -       pci_write_config32(PCI_DEV_CONFIG(0, LPC_DEV, LPC_FUNC), UART_CONT, 1);
> +       x86_pci_write_config32(PCI_DEV_CONFIG(0, LPC_DEV, LPC_FUNC), UART_CONT,
> +                              1);
>
>         /*
>          * Set up the pads to the UART function. This allows the signals to
> diff --git a/arch/x86/cpu/ivybridge/bd82x6x.c b/arch/x86/cpu/ivybridge/bd82x6x.c
> index 65a17d3..56b19e3 100644
> --- a/arch/x86/cpu/ivybridge/bd82x6x.c
> +++ b/arch/x86/cpu/ivybridge/bd82x6x.c
> @@ -22,36 +22,36 @@ void bd82x6x_pci_init(pci_dev_t dev)
>
>         debug("bd82x6x PCI init.\n");
>         /* Enable Bus Master */
> -       reg16 = pci_read_config16(dev, PCI_COMMAND);
> +       reg16 = x86_pci_read_config16(dev, PCI_COMMAND);
>         reg16 |= PCI_COMMAND_MASTER;
> -       pci_write_config16(dev, PCI_COMMAND, reg16);
> +       x86_pci_write_config16(dev, PCI_COMMAND, reg16);
>
>         /* This device has no interrupt */
> -       pci_write_config8(dev, INTR, 0xff);
> +       x86_pci_write_config8(dev, INTR, 0xff);
>
>         /* disable parity error response and SERR */
> -       reg16 = pci_read_config16(dev, BCTRL);
> +       reg16 = x86_pci_read_config16(dev, BCTRL);
>         reg16 &= ~(1 << 0);
>         reg16 &= ~(1 << 1);
> -       pci_write_config16(dev, BCTRL, reg16);
> +       x86_pci_write_config16(dev, BCTRL, reg16);
>
>         /* Master Latency Count must be set to 0x04! */
> -       reg8 = pci_read_config8(dev, SMLT);
> +       reg8 = x86_pci_read_config8(dev, SMLT);
>         reg8 &= 0x07;
>         reg8 |= (0x04 << 3);
> -       pci_write_config8(dev, SMLT, reg8);
> +       x86_pci_write_config8(dev, SMLT, reg8);
>
>         /* Will this improve throughput of bus masters? */
> -       pci_write_config8(dev, PCI_MIN_GNT, 0x06);
> +       x86_pci_write_config8(dev, PCI_MIN_GNT, 0x06);
>
>         /* Clear errors in status registers */
> -       reg16 = pci_read_config16(dev, PSTS);
> +       reg16 = x86_pci_read_config16(dev, PSTS);
>         /* reg16 |= 0xf900; */
> -       pci_write_config16(dev, PSTS, reg16);
> +       x86_pci_write_config16(dev, PSTS, reg16);
>
> -       reg16 = pci_read_config16(dev, SECSTS);
> +       reg16 = x86_pci_read_config16(dev, SECSTS);
>         /* reg16 |= 0xf900; */
> -       pci_write_config16(dev, SECSTS, reg16);
> +       x86_pci_write_config16(dev, SECSTS, reg16);
>  }
>
>  #define PCI_BRIDGE_UPDATE_COMMAND
> @@ -59,7 +59,7 @@ void bd82x6x_pci_dev_enable_resources(pci_dev_t dev)
>  {
>         uint16_t command;
>
> -       command = pci_read_config16(dev, PCI_COMMAND);
> +       command = x86_pci_read_config16(dev, PCI_COMMAND);
>         command |= PCI_COMMAND_IO;
>  #ifdef PCI_BRIDGE_UPDATE_COMMAND
>         /*
> @@ -67,7 +67,7 @@ void bd82x6x_pci_dev_enable_resources(pci_dev_t dev)
>          * ROM and APICs to become invisible.
>          */
>         debug("%x cmd <- %02x\n", dev, command);
> -       pci_write_config16(dev, PCI_COMMAND, command);
> +       x86_pci_write_config16(dev, PCI_COMMAND, command);
>  #else
>         printf("%s cmd <- %02x (NOT WRITTEN!)\n", dev_path(dev), command);
>  #endif
> @@ -77,11 +77,11 @@ void bd82x6x_pci_bus_enable_resources(pci_dev_t dev)
>  {
>         uint16_t ctrl;
>
> -       ctrl = pci_read_config16(dev, PCI_BRIDGE_CONTROL);
> +       ctrl = x86_pci_read_config16(dev, PCI_BRIDGE_CONTROL);
>         ctrl |= PCI_COMMAND_IO;
>         ctrl |= PCI_BRIDGE_CTL_VGA;
>         debug("%x bridge ctrl <- %04x\n", dev, ctrl);
> -       pci_write_config16(dev, PCI_BRIDGE_CONTROL, ctrl);
> +       x86_pci_write_config16(dev, PCI_BRIDGE_CONTROL, ctrl);
>
>         bd82x6x_pci_dev_enable_resources(dev);
>  }
> diff --git a/arch/x86/cpu/ivybridge/cpu.c b/arch/x86/cpu/ivybridge/cpu.c
> index e925310..5fd3753 100644
> --- a/arch/x86/cpu/ivybridge/cpu.c
> +++ b/arch/x86/cpu/ivybridge/cpu.c
> @@ -167,21 +167,21 @@ static int enable_smbus(void)
>         dev = PCI_BDF(0x0, 0x1f, 0x3);
>
>         /* Check to make sure we've got the right device. */
> -       value = pci_read_config16(dev, 0x0);
> +       value = x86_pci_read_config16(dev, 0x0);
>         if (value != 0x8086) {
>                 printf("SMBus controller not found\n");
>                 return -ENOSYS;
>         }
>
>         /* Set SMBus I/O base. */
> -       pci_write_config32(dev, SMB_BASE,
> -                          SMBUS_IO_BASE | PCI_BASE_ADDRESS_SPACE_IO);
> +       x86_pci_write_config32(dev, SMB_BASE,
> +                              SMBUS_IO_BASE | PCI_BASE_ADDRESS_SPACE_IO);
>
>         /* Set SMBus enable. */
> -       pci_write_config8(dev, HOSTC, HST_EN);
> +       x86_pci_write_config8(dev, HOSTC, HST_EN);
>
>         /* Set SMBus I/O space enable. */
> -       pci_write_config16(dev, PCI_COMMAND, PCI_COMMAND_IO);
> +       x86_pci_write_config16(dev, PCI_COMMAND, PCI_COMMAND_IO);
>
>         /* Disable interrupt generation. */
>         outb(0, SMBUS_IO_BASE + SMBHSTCTL);
> @@ -214,25 +214,25 @@ static void enable_usb_bar(void)
>         u32 cmd;
>
>         /* USB Controller 1 */
> -       pci_write_config32(usb0, PCI_BASE_ADDRESS_0,
> -                          PCH_EHCI0_TEMP_BAR0);
> -       cmd = pci_read_config32(usb0, PCI_COMMAND);
> +       x86_pci_write_config32(usb0, PCI_BASE_ADDRESS_0,
> +                              PCH_EHCI0_TEMP_BAR0);
> +       cmd = x86_pci_read_config32(usb0, PCI_COMMAND);
>         cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
> -       pci_write_config32(usb0, PCI_COMMAND, cmd);
> +       x86_pci_write_config32(usb0, PCI_COMMAND, cmd);
>
>         /* USB Controller 1 */
> -       pci_write_config32(usb1, PCI_BASE_ADDRESS_0,
> -                          PCH_EHCI1_TEMP_BAR0);
> -       cmd = pci_read_config32(usb1, PCI_COMMAND);
> +       x86_pci_write_config32(usb1, PCI_BASE_ADDRESS_0,
> +                              PCH_EHCI1_TEMP_BAR0);
> +       cmd = x86_pci_read_config32(usb1, PCI_COMMAND);
>         cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
> -       pci_write_config32(usb1, PCI_COMMAND, cmd);
> +       x86_pci_write_config32(usb1, PCI_COMMAND, cmd);
>
>         /* USB3 Controller */
> -       pci_write_config32(usb3, PCI_BASE_ADDRESS_0,
> -                          PCH_XHCI_TEMP_BAR0);
> -       cmd = pci_read_config32(usb3, PCI_COMMAND);
> +       x86_pci_write_config32(usb3, PCI_BASE_ADDRESS_0,
> +                              PCH_XHCI_TEMP_BAR0);
> +       cmd = x86_pci_read_config32(usb3, PCI_COMMAND);
>         cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
> -       pci_write_config32(usb3, PCI_COMMAND, cmd);
> +       x86_pci_write_config32(usb3, PCI_COMMAND, cmd);
>  }
>
>  static int report_bist_failure(void)
> @@ -320,8 +320,8 @@ int print_cpuinfo(void)
>         gd->arch.pei_boot_mode = boot_mode;
>
>         /* TODO: Move this to the board or driver */
> -       pci_write_config32(PCH_LPC_DEV, GPIO_BASE, DEFAULT_GPIOBASE | 1);
> -       pci_write_config32(PCH_LPC_DEV, GPIO_CNTL, 0x10);
> +       x86_pci_write_config32(PCH_LPC_DEV, GPIO_BASE, DEFAULT_GPIOBASE | 1);
> +       x86_pci_write_config32(PCH_LPC_DEV, GPIO_CNTL, 0x10);
>
>         /* Print processor name */
>         name = cpu_get_name(processor_name);
> diff --git a/arch/x86/cpu/ivybridge/early_init.c b/arch/x86/cpu/ivybridge/early_init.c
> index eb8f613..9ca008e 100644
> --- a/arch/x86/cpu/ivybridge/early_init.c
> +++ b/arch/x86/cpu/ivybridge/early_init.c
> @@ -17,10 +17,10 @@ static void sandybridge_setup_bars(pci_dev_t pch_dev, pci_dev_t lpc_dev)
>  {
>         /* Setting up Southbridge. In the northbridge code. */
>         debug("Setting up static southbridge registers\n");
> -       pci_write_config32(lpc_dev, PCH_RCBA_BASE, DEFAULT_RCBA | 1);
> +       x86_pci_write_config32(lpc_dev, PCH_RCBA_BASE, DEFAULT_RCBA | 1);
>
> -       pci_write_config32(lpc_dev, PMBASE, DEFAULT_PMBASE | 1);
> -       pci_write_config8(lpc_dev, ACPI_CNTL, 0x80); /* Enable ACPI BAR */
> +       x86_pci_write_config32(lpc_dev, PMBASE, DEFAULT_PMBASE | 1);
> +       x86_pci_write_config8(lpc_dev, ACPI_CNTL, 0x80); /* Enable ACPI BAR */
>
>         debug("Disabling watchdog reboot\n");
>         setbits_le32(RCB_REG(GCS), 1 >> 5);     /* No reset */
> @@ -28,25 +28,27 @@ static void sandybridge_setup_bars(pci_dev_t pch_dev, pci_dev_t lpc_dev)
>
>         /* Set up all hardcoded northbridge BARs */
>         debug("Setting up static registers\n");
> -       pci_write_config32(pch_dev, EPBAR, DEFAULT_EPBAR | 1);
> -       pci_write_config32(pch_dev, EPBAR + 4, (0LL + DEFAULT_EPBAR) >> 32);
> -       pci_write_config32(pch_dev, MCHBAR, DEFAULT_MCHBAR | 1);
> -       pci_write_config32(pch_dev, MCHBAR + 4, (0LL + DEFAULT_MCHBAR) >> 32);
> +       x86_pci_write_config32(pch_dev, EPBAR, DEFAULT_EPBAR | 1);
> +       x86_pci_write_config32(pch_dev, EPBAR + 4, (0LL + DEFAULT_EPBAR) >> 32);
> +       x86_pci_write_config32(pch_dev, MCHBAR, DEFAULT_MCHBAR | 1);
> +       x86_pci_write_config32(pch_dev, MCHBAR + 4,
> +                              (0LL + DEFAULT_MCHBAR) >> 32);
>         /* 64MB - busses 0-63 */
> -       pci_write_config32(pch_dev, PCIEXBAR, DEFAULT_PCIEXBAR | 5);
> -       pci_write_config32(pch_dev, PCIEXBAR + 4,
> -                          (0LL + DEFAULT_PCIEXBAR) >> 32);
> -       pci_write_config32(pch_dev, DMIBAR, DEFAULT_DMIBAR | 1);
> -       pci_write_config32(pch_dev, DMIBAR + 4, (0LL + DEFAULT_DMIBAR) >> 32);
> +       x86_pci_write_config32(pch_dev, PCIEXBAR, DEFAULT_PCIEXBAR | 5);
> +       x86_pci_write_config32(pch_dev, PCIEXBAR + 4,
> +                              (0LL + DEFAULT_PCIEXBAR) >> 32);
> +       x86_pci_write_config32(pch_dev, DMIBAR, DEFAULT_DMIBAR | 1);
> +       x86_pci_write_config32(pch_dev, DMIBAR + 4,
> +                              (0LL + DEFAULT_DMIBAR) >> 32);
>
>         /* Set C0000-FFFFF to access RAM on both reads and writes */
> -       pci_write_config8(pch_dev, PAM0, 0x30);
> -       pci_write_config8(pch_dev, PAM1, 0x33);
> -       pci_write_config8(pch_dev, PAM2, 0x33);
> -       pci_write_config8(pch_dev, PAM3, 0x33);
> -       pci_write_config8(pch_dev, PAM4, 0x33);
> -       pci_write_config8(pch_dev, PAM5, 0x33);
> -       pci_write_config8(pch_dev, PAM6, 0x33);
> +       x86_pci_write_config8(pch_dev, PAM0, 0x30);
> +       x86_pci_write_config8(pch_dev, PAM1, 0x33);
> +       x86_pci_write_config8(pch_dev, PAM2, 0x33);
> +       x86_pci_write_config8(pch_dev, PAM3, 0x33);
> +       x86_pci_write_config8(pch_dev, PAM4, 0x33);
> +       x86_pci_write_config8(pch_dev, PAM5, 0x33);
> +       x86_pci_write_config8(pch_dev, PAM6, 0x33);
>  }
>
>  static void sandybridge_setup_graphics(pci_dev_t pch_dev, pci_dev_t video_dev)
> @@ -55,7 +57,7 @@ static void sandybridge_setup_graphics(pci_dev_t pch_dev, pci_dev_t video_dev)
>         u16 reg16;
>         u8 reg8;
>
> -       reg16 = pci_read_config16(video_dev, PCI_DEVICE_ID);
> +       reg16 = x86_pci_read_config16(video_dev, PCI_DEVICE_ID);
>         switch (reg16) {
>         case 0x0102: /* GT1 Desktop */
>         case 0x0106: /* GT1 Mobile */
> @@ -75,7 +77,7 @@ static void sandybridge_setup_graphics(pci_dev_t pch_dev, pci_dev_t video_dev)
>         debug("Initialising Graphics\n");
>
>         /* Setup IGD memory by setting GGC[7:3] = 1 for 32MB */
> -       reg16 = pci_read_config16(pch_dev, GGC);
> +       reg16 = x86_pci_read_config16(pch_dev, GGC);
>         reg16 &= ~0x00f8;
>         reg16 |= 1 << 3;
>         /* Program GTT memory by setting GGC[9:8] = 2MB */
> @@ -83,13 +85,13 @@ static void sandybridge_setup_graphics(pci_dev_t pch_dev, pci_dev_t video_dev)
>         reg16 |= 2 << 8;
>         /* Enable VGA decode */
>         reg16 &= ~0x0002;
> -       pci_write_config16(pch_dev, GGC, reg16);
> +       x86_pci_write_config16(pch_dev, GGC, reg16);
>
>         /* Enable 256MB aperture */
> -       reg8 = pci_read_config8(video_dev, MSAC);
> +       reg8 = x86_pci_read_config8(video_dev, MSAC);
>         reg8 &= ~0x06;
>         reg8 |= 0x02;
> -       pci_write_config8(video_dev, MSAC, reg8);
> +       x86_pci_write_config8(video_dev, MSAC, reg8);
>
>         /* Erratum workarounds */
>         reg32 = readl(MCHBAR_REG(0x5f00));
> @@ -124,22 +126,22 @@ void sandybridge_early_init(int chipset_type)
>         u8 reg8;
>
>         /* Device ID Override Enable should be done very early */
> -       capid0_a = pci_read_config32(pch_dev, 0xe4);
> +       capid0_a = x86_pci_read_config32(pch_dev, 0xe4);
>         if (capid0_a & (1 << 10)) {
> -               reg8 = pci_read_config8(pch_dev, 0xf3);
> +               reg8 = x86_pci_read_config8(pch_dev, 0xf3);
>                 reg8 &= ~7; /* Clear 2:0 */
>
>                 if (chipset_type == SANDYBRIDGE_MOBILE)
>                         reg8 |= 1; /* Set bit 0 */
>
> -               pci_write_config8(pch_dev, 0xf3, reg8);
> +               x86_pci_write_config8(pch_dev, 0xf3, reg8);
>         }
>
>         /* Setup all BARs required for early PCIe and raminit */
>         sandybridge_setup_bars(pch_dev, lpc_dev);
>
>         /* Device Enable */
> -       pci_write_config32(pch_dev, DEVEN, DEVEN_HOST | DEVEN_IGD);
> +       x86_pci_write_config32(pch_dev, DEVEN, DEVEN_HOST | DEVEN_IGD);
>
>         sandybridge_setup_graphics(pch_dev, video_dev);
>  }
> diff --git a/arch/x86/cpu/ivybridge/early_me.c b/arch/x86/cpu/ivybridge/early_me.c
> index b24dea1..356bbb4 100644
> --- a/arch/x86/cpu/ivybridge/early_me.c
> +++ b/arch/x86/cpu/ivybridge/early_me.c
> @@ -29,7 +29,7 @@ static inline void pci_read_dword_ptr(void *ptr, int offset)
>  {
>         u32 dword;
>
> -       dword = pci_read_config32(PCH_ME_DEV, offset);
> +       dword = x86_pci_read_config32(PCH_ME_DEV, offset);
>         memcpy(ptr, &dword, sizeof(dword));
>  }
>
> @@ -37,7 +37,7 @@ static inline void pci_write_dword_ptr(void *ptr, int offset)
>  {
>         u32 dword = 0;
>         memcpy(&dword, ptr, sizeof(dword));
> -       pci_write_config32(PCH_ME_DEV, offset, dword);
> +       x86_pci_write_config32(PCH_ME_DEV, offset, dword);
>  }
>
>  void intel_early_me_status(void)
> @@ -101,7 +101,7 @@ static inline void set_global_reset(int enable)
>  {
>         u32 etr3;
>
> -       etr3 = pci_read_config32(PCH_LPC_DEV, ETR3);
> +       etr3 = x86_pci_read_config32(PCH_LPC_DEV, ETR3);
>
>         /* Clear CF9 Without Resume Well Reset Enable */
>         etr3 &= ~ETR3_CWORWRE;
> @@ -112,7 +112,7 @@ static inline void set_global_reset(int enable)
>         else
>                 etr3 &= ~ETR3_CF9GR;
>
> -       pci_write_config32(PCH_LPC_DEV, ETR3, etr3);
> +       x86_pci_write_config32(PCH_LPC_DEV, ETR3, etr3);
>  }
>
>  int intel_early_me_init_done(u8 status)
> @@ -127,8 +127,8 @@ int intel_early_me_init_done(u8 status)
>         };
>
>         /* MEBASE from MESEG_BASE[35:20] */
> -       mebase_l = pci_read_config32(PCH_DEV, PCI_CPU_MEBASE_L);
> -       mebase_h = pci_read_config32(PCH_DEV, PCI_CPU_MEBASE_H);
> +       mebase_l = x86_pci_read_config32(PCH_DEV, PCI_CPU_MEBASE_L);
> +       mebase_h = x86_pci_read_config32(PCH_DEV, PCI_CPU_MEBASE_H);
>         mebase_h &= 0xf;
>         did.uma_base = (mebase_l >> 20) | (mebase_h << 12);
>
> diff --git a/arch/x86/cpu/ivybridge/gma.c b/arch/x86/cpu/ivybridge/gma.c
> index 821ea25..ea169b0 100644
> --- a/arch/x86/cpu/ivybridge/gma.c
> +++ b/arch/x86/cpu/ivybridge/gma.c
> @@ -741,9 +741,9 @@ int gma_func0_init(pci_dev_t dev, struct pci_controller *hose,
>         int ret;
>
>         /* IGD needs to be Bus Master */
> -       reg32 = pci_read_config32(dev, PCI_COMMAND);
> +       reg32 = x86_pci_read_config32(dev, PCI_COMMAND);
>         reg32 |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY | PCI_COMMAND_IO;
> -       pci_write_config32(dev, PCI_COMMAND, reg32);
> +       x86_pci_write_config32(dev, PCI_COMMAND, reg32);
>
>         /* Use write-combining for the graphics memory, 256MB */
>         base = pci_read_bar32(hose, dev, 2);
> diff --git a/arch/x86/cpu/ivybridge/lpc.c b/arch/x86/cpu/ivybridge/lpc.c
> index 43fdd31..33b11a1 100644
> --- a/arch/x86/cpu/ivybridge/lpc.c
> +++ b/arch/x86/cpu/ivybridge/lpc.c
> @@ -29,7 +29,7 @@ static int pch_enable_apic(pci_dev_t dev)
>         int i;
>
>         /* Enable ACPI I/O and power management. Set SCI IRQ to IRQ9 */
> -       pci_write_config8(dev, ACPI_CNTL, 0x80);
> +       x86_pci_write_config8(dev, ACPI_CNTL, 0x80);
>
>         writel(0, IO_APIC_INDEX);
>         writel(1 << 25, IO_APIC_DATA);
> @@ -72,9 +72,9 @@ static void pch_enable_serial_irqs(pci_dev_t dev)
>         /* Set packet length and toggle silent mode bit for one frame. */
>         value = (1 << 7) | (1 << 6) | ((21 - 17) << 2) | (0 << 0);
>  #ifdef CONFIG_SERIRQ_CONTINUOUS_MODE
> -       pci_write_config8(dev, SERIRQ_CNTL, value);
> +       x86_pci_write_config8(dev, SERIRQ_CNTL, value);
>  #else
> -       pci_write_config8(dev, SERIRQ_CNTL, value | (1 << 6));
> +       x86_pci_write_config8(dev, SERIRQ_CNTL, value | (1 << 6));
>  #endif
>  }
>
> @@ -86,15 +86,15 @@ static int pch_pirq_init(const void *blob, int node, pci_dev_t dev)
>                                   sizeof(route)))
>                 return -EINVAL;
>         ptr = route;
> -       pci_write_config8(dev, PIRQA_ROUT, *ptr++);
> -       pci_write_config8(dev, PIRQB_ROUT, *ptr++);
> -       pci_write_config8(dev, PIRQC_ROUT, *ptr++);
> -       pci_write_config8(dev, PIRQD_ROUT, *ptr++);
> +       x86_pci_write_config8(dev, PIRQA_ROUT, *ptr++);
> +       x86_pci_write_config8(dev, PIRQB_ROUT, *ptr++);
> +       x86_pci_write_config8(dev, PIRQC_ROUT, *ptr++);
> +       x86_pci_write_config8(dev, PIRQD_ROUT, *ptr++);
>
> -       pci_write_config8(dev, PIRQE_ROUT, *ptr++);
> -       pci_write_config8(dev, PIRQF_ROUT, *ptr++);
> -       pci_write_config8(dev, PIRQG_ROUT, *ptr++);
> -       pci_write_config8(dev, PIRQH_ROUT, *ptr++);
> +       x86_pci_write_config8(dev, PIRQE_ROUT, *ptr++);
> +       x86_pci_write_config8(dev, PIRQF_ROUT, *ptr++);
> +       x86_pci_write_config8(dev, PIRQG_ROUT, *ptr++);
> +       x86_pci_write_config8(dev, PIRQH_ROUT, *ptr++);
>
>         /*
>          * TODO(sjg at chromium.org): U-Boot does not set up the interrupts
> @@ -116,7 +116,7 @@ static int pch_gpi_routing(const void *blob, int node, pci_dev_t dev)
>         for (reg = 0, gpi = 0; gpi < ARRAY_SIZE(route); gpi++)
>                 reg |= route[gpi] << (gpi * 2);
>
> -       pci_write_config32(dev, 0xb8, reg);
> +       x86_pci_write_config32(dev, 0xb8, reg);
>
>         return 0;
>  }
> @@ -141,7 +141,7 @@ static int pch_power_options(const void *blob, int node, pci_dev_t dev)
>          */
>         pwr_on = MAINBOARD_POWER_ON;
>
> -       reg16 = pci_read_config16(dev, GEN_PMCON_3);
> +       reg16 = x86_pci_read_config16(dev, GEN_PMCON_3);
>         reg16 &= 0xfffe;
>         switch (pwr_on) {
>         case MAINBOARD_POWER_OFF:
> @@ -168,7 +168,7 @@ static int pch_power_options(const void *blob, int node, pci_dev_t dev)
>
>         reg16 |= (1 << 12);     /* Disable SLP stretch after SUS well */
>
> -       pci_write_config16(dev, GEN_PMCON_3, reg16);
> +       x86_pci_write_config16(dev, GEN_PMCON_3, reg16);
>         debug("Set power %s after power failure.\n", state);
>
>         /* Set up NMI on errors. */
> @@ -192,21 +192,21 @@ static int pch_power_options(const void *blob, int node, pci_dev_t dev)
>         outb(reg8, 0x70);
>
>         /* Enable CPU_SLP# and Intel Speedstep, set SMI# rate down */
> -       reg16 = pci_read_config16(dev, GEN_PMCON_1);
> +       reg16 = x86_pci_read_config16(dev, GEN_PMCON_1);
>         reg16 &= ~(3 << 0);     /* SMI# rate 1 minute */
>         reg16 &= ~(1 << 10);    /* Disable BIOS_PCI_EXP_EN for native PME */
>  #if DEBUG_PERIODIC_SMIS
>         /* Set DEBUG_PERIODIC_SMIS in pch.h to debug using periodic SMIs */
>         reg16 |= (3 << 0);      /* Periodic SMI every 8s */
>  #endif
> -       pci_write_config16(dev, GEN_PMCON_1, reg16);
> +       x86_pci_write_config16(dev, GEN_PMCON_1, reg16);
>
>         /* Set the board's GPI routing. */
>         ret = pch_gpi_routing(blob, node, dev);
>         if (ret)
>                 return ret;
>
> -       pmbase = pci_read_config16(dev, 0x40) & 0xfffe;
> +       pmbase = x86_pci_read_config16(dev, 0x40) & 0xfffe;
>
>         writel(pmbase + GPE0_EN, fdtdec_get_int(blob, node,
>                                                 "intel,gpe0-enable", 0));
> @@ -231,11 +231,11 @@ static void pch_rtc_init(pci_dev_t dev)
>         int rtc_failed;
>         u8 reg8;
>
> -       reg8 = pci_read_config8(dev, GEN_PMCON_3);
> +       reg8 = x86_pci_read_config8(dev, GEN_PMCON_3);
>         rtc_failed = reg8 & RTC_BATTERY_DEAD;
>         if (rtc_failed) {
>                 reg8 &= ~RTC_BATTERY_DEAD;
> -               pci_write_config8(dev, GEN_PMCON_3, reg8);
> +               x86_pci_write_config8(dev, GEN_PMCON_3, reg8);
>         }
>         debug("rtc_failed = 0x%x\n", rtc_failed);
>
> @@ -258,7 +258,7 @@ static void pch_rtc_init(pci_dev_t dev)
>  static void cpt_pm_init(pci_dev_t dev)
>  {
>         debug("CougarPoint PM init\n");
> -       pci_write_config8(dev, 0xa9, 0x47);
> +       x86_pci_write_config8(dev, 0xa9, 0x47);
>         setbits_le32(RCB_REG(0x2238), (1 << 6) | (1 << 0));
>
>         setbits_le32(RCB_REG(0x228c), 1 << 0);
> @@ -302,7 +302,7 @@ static void cpt_pm_init(pci_dev_t dev)
>  static void ppt_pm_init(pci_dev_t dev)
>  {
>         debug("PantherPoint PM init\n");
> -       pci_write_config8(dev, 0xa9, 0x47);
> +       x86_pci_write_config8(dev, 0xa9, 0x47);
>         setbits_le32(RCB_REG(0x2238), 1 << 0);
>         setbits_le32(RCB_REG(0x228c), 1 << 0);
>         setbits_le16(RCB_REG(0x1100), (1 << 13) | (1 << 14));
> @@ -356,9 +356,9 @@ static void enable_clock_gating(pci_dev_t dev)
>
>         setbits_le32(RCB_REG(0x2234), 0xf);
>
> -       reg16 = pci_read_config16(dev, GEN_PMCON_1);
> +       reg16 = x86_pci_read_config16(dev, GEN_PMCON_1);
>         reg16 |= (1 << 2) | (1 << 11);
> -       pci_write_config16(dev, GEN_PMCON_1, reg16);
> +       x86_pci_write_config16(dev, GEN_PMCON_1, reg16);
>
>         pch_iobp_update(0xEB007F07, ~0UL, (1 << 31));
>         pch_iobp_update(0xEB004000, ~0UL, (1 << 7));
> @@ -412,15 +412,15 @@ static void pch_lock_smm(pci_dev_t dev)
>  #if TEST_SMM_FLASH_LOCKDOWN
>         /* Now try this: */
>         debug("Locking BIOS to RO... ");
> -       reg8 = pci_read_config8(dev, 0xdc);     /* BIOS_CNTL */
> +       reg8 = x86_pci_read_config8(dev, 0xdc); /* BIOS_CNTL */
>         debug(" BLE: %s; BWE: %s\n", (reg8 & 2) ? "on" : "off",
>               (reg8 & 1) ? "rw" : "ro");
>         reg8 &= ~(1 << 0);                      /* clear BIOSWE */
> -       pci_write_config8(dev, 0xdc, reg8);
> +       x86_pci_write_config8(dev, 0xdc, reg8);
>         reg8 |= (1 << 1);                       /* set BLE */
> -       pci_write_config8(dev, 0xdc, reg8);
> +       x86_pci_write_config8(dev, 0xdc, reg8);
>         debug("ok.\n");
> -       reg8 = pci_read_config8(dev, 0xdc);     /* BIOS_CNTL */
> +       reg8 = x86_pci_read_config8(dev, 0xdc); /* BIOS_CNTL */
>         debug(" BLE: %s; BWE: %s\n", (reg8 & 2) ? "on" : "off",
>               (reg8 & 1) ? "rw" : "ro");
>
> @@ -428,9 +428,9 @@ static void pch_lock_smm(pci_dev_t dev)
>         writeb(0, 0xfff00000);
>         debug("Testing:\n");
>         reg8 |= (1 << 0);                       /* set BIOSWE */
> -       pci_write_config8(dev, 0xdc, reg8);
> +       x86_pci_write_config8(dev, 0xdc, reg8);
>
> -       reg8 = pci_read_config8(dev, 0xdc);     /* BIOS_CNTL */
> +       reg8 = x86_pci_read_config8(dev, 0xdc); /* BIOS_CNTL */
>         debug(" BLE: %s; BWE: %s\n", (reg8 & 2) ? "on" : "off",
>               (reg8 & 1) ? "rw" : "ro");
>         debug("Done.\n");
> @@ -443,9 +443,9 @@ static void pch_disable_smm_only_flashing(pci_dev_t dev)
>         u8 reg8;
>
>         debug("Enabling BIOS updates outside of SMM... ");
> -       reg8 = pci_read_config8(dev, 0xdc);     /* BIOS_CNTL */
> +       reg8 = x86_pci_read_config8(dev, 0xdc); /* BIOS_CNTL */
>         reg8 &= ~(1 << 5);
> -       pci_write_config8(dev, 0xdc, reg8);
> +       x86_pci_write_config8(dev, 0xdc, reg8);
>  }
>
>  static void pch_fixups(pci_dev_t dev)
> @@ -453,9 +453,9 @@ static void pch_fixups(pci_dev_t dev)
>         u8 gen_pmcon_2;
>
>         /* Indicate DRAM init done for MRC S3 to know it can resume */
> -       gen_pmcon_2 = pci_read_config8(dev, GEN_PMCON_2);
> +       gen_pmcon_2 = x86_pci_read_config8(dev, GEN_PMCON_2);
>         gen_pmcon_2 |= (1 << 7);
> -       pci_write_config8(dev, GEN_PMCON_2, gen_pmcon_2);
> +       x86_pci_write_config8(dev, GEN_PMCON_2, gen_pmcon_2);
>
>         /* Enable DMI ASPM in the PCH */
>         clrbits_le32(RCB_REG(0x2304), 1 << 10);
> @@ -478,10 +478,10 @@ int lpc_early_init(const void *blob, int node, pci_dev_t dev)
>                 return -EINVAL;
>
>         /* Set COM1/COM2 decode range */
> -       pci_write_config16(dev, LPC_IO_DEC, 0x0010);
> +       x86_pci_write_config16(dev, LPC_IO_DEC, 0x0010);
>
>         /* Enable PS/2 Keyboard/Mouse, EC areas and COM1 */
> -       pci_write_config16(dev, LPC_EN, KBC_LPC_EN | MC_LPC_EN |
> +       x86_pci_write_config16(dev, LPC_EN, KBC_LPC_EN | MC_LPC_EN |
>                            GAMEL_LPC_EN | COMA_LPC_EN);
>
>         /* Write all registers but use 0 if we run out of data */
> @@ -491,7 +491,7 @@ int lpc_early_init(const void *blob, int node, pci_dev_t dev)
>
>                 if (i < count)
>                         reg = ptr->base | PCI_COMMAND_IO | (ptr->size << 16);
> -               pci_write_config32(dev, LPC_GENX_DEC(i), reg);
> +               x86_pci_write_config32(dev, LPC_GENX_DEC(i), reg);
>         }
>
>         return 0;
> @@ -514,7 +514,7 @@ int lpc_init(struct pci_controller *hose, pci_dev_t dev)
>                 return -ENOENT;
>
>         /* Set the value for PCI command register. */
> -       pci_write_config16(dev, PCI_COMMAND, 0x000f);
> +       x86_pci_write_config16(dev, PCI_COMMAND, 0x000f);
>
>         /* IO APIC initialization. */
>         pch_enable_apic(dev);
> diff --git a/arch/x86/cpu/ivybridge/northbridge.c b/arch/x86/cpu/ivybridge/northbridge.c
> index c50b5de..e95e60e 100644
> --- a/arch/x86/cpu/ivybridge/northbridge.c
> +++ b/arch/x86/cpu/ivybridge/northbridge.c
> @@ -30,7 +30,7 @@ int bridge_silicon_revision(void)
>                 result = cpuid(1);
>                 stepping = result.eax & 0xf;
>                 dev = PCI_BDF(0, 0, 0);
> -               bridge_id = pci_read_config16(dev, PCI_DEVICE_ID) & 0xf0;
> +               bridge_id = x86_pci_read_config16(dev, PCI_DEVICE_ID) & 0xf0;
>                 bridge_revision_id = bridge_id | stepping;
>         }
>
> @@ -55,7 +55,7 @@ static int get_pcie_bar(u32 *base, u32 *len)
>         *base = 0;
>         *len = 0;
>
> -       pciexbar_reg = pci_read_config32(dev, PCIEXBAR);
> +       pciexbar_reg = x86_pci_read_config32(dev, PCIEXBAR);
>
>         if (!(pciexbar_reg & (1 << 0)))
>                 return 0;
> @@ -170,7 +170,7 @@ void northbridge_init(pci_dev_t dev)
>  void northbridge_enable(pci_dev_t dev)
>  {
>  #if CONFIG_HAVE_ACPI_RESUME
> -       switch (pci_read_config32(dev, SKPAD)) {
> +       switch (x86_pci_read_config32(dev, SKPAD)) {
>         case 0xcafebabe:
>                 debug("Normal boot.\n");
>                 apci_set_slp_type(0);
> diff --git a/arch/x86/cpu/ivybridge/pch.c b/arch/x86/cpu/ivybridge/pch.c
> index fa04d48..bbab646 100644
> --- a/arch/x86/cpu/ivybridge/pch.c
> +++ b/arch/x86/cpu/ivybridge/pch.c
> @@ -21,7 +21,7 @@ int pch_silicon_revision(void)
>         dev = PCH_LPC_DEV;
>
>         if (pch_revision_id < 0)
> -               pch_revision_id = pci_read_config8(dev, PCI_REVISION_ID);
> +               pch_revision_id = x86_pci_read_config8(dev, PCI_REVISION_ID);
>         return pch_revision_id;
>  }
>
> @@ -32,7 +32,7 @@ int pch_silicon_type(void)
>         dev = PCH_LPC_DEV;
>
>         if (pch_type < 0)
> -               pch_type = pci_read_config8(dev, PCI_DEVICE_ID + 1);
> +               pch_type = x86_pci_read_config8(dev, PCI_DEVICE_ID + 1);
>         return pch_type;
>  }
>
> diff --git a/arch/x86/cpu/ivybridge/pci.c b/arch/x86/cpu/ivybridge/pci.c
> index 452d1c3..7f62a86 100644
> --- a/arch/x86/cpu/ivybridge/pci.c
> +++ b/arch/x86/cpu/ivybridge/pci.c
> @@ -70,9 +70,9 @@ int board_pci_pre_scan(struct pci_controller *hose)
>
>         reg16 = 0xff;
>         dev = PCH_DEV;
> -       reg16 = pci_read_config16(dev, PCI_COMMAND);
> +       reg16 = x86_pci_read_config16(dev, PCI_COMMAND);
>         reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
> -       pci_write_config16(dev, PCI_COMMAND, reg16);
> +       x86_pci_write_config16(dev, PCI_COMMAND, reg16);
>
>         /*
>         * Clear non-reserved bits in status register.
> diff --git a/arch/x86/cpu/ivybridge/report_platform.c b/arch/x86/cpu/ivybridge/report_platform.c
> index 69e31b3..4493870 100644
> --- a/arch/x86/cpu/ivybridge/report_platform.c
> +++ b/arch/x86/cpu/ivybridge/report_platform.c
> @@ -70,14 +70,14 @@ static void report_pch_info(void)
>         u16 dev_id;
>         uint8_t rev_id;
>
> -       dev_id = pci_read_config16(PCH_LPC_DEV, 2);
> +       dev_id = x86_pci_read_config16(PCH_LPC_DEV, 2);
>         for (i = 0; i < ARRAY_SIZE(pch_table); i++) {
>                 if (pch_table[i].dev_id == dev_id) {
>                         pch_type = pch_table[i].dev_name;
>                         break;
>                 }
>         }
> -       rev_id = pci_read_config8(PCH_LPC_DEV, 8);
> +       rev_id = x86_pci_read_config8(PCH_LPC_DEV, 8);
>         debug("PCH type: %s, device id: %x, rev id %x\n", pch_type, dev_id,
>               rev_id);
>  }
> diff --git a/arch/x86/cpu/ivybridge/sata.c b/arch/x86/cpu/ivybridge/sata.c
> index bbcd47d..e7bf03c 100644
> --- a/arch/x86/cpu/ivybridge/sata.c
> +++ b/arch/x86/cpu/ivybridge/sata.c
> @@ -14,14 +14,14 @@
>
>  static inline u32 sir_read(pci_dev_t dev, int idx)
>  {
> -       pci_write_config32(dev, SATA_SIRI, idx);
> -       return pci_read_config32(dev, SATA_SIRD);
> +       x86_pci_write_config32(dev, SATA_SIRI, idx);
> +       return x86_pci_read_config32(dev, SATA_SIRD);
>  }
>
>  static inline void sir_write(pci_dev_t dev, int idx, u32 value)
>  {
> -       pci_write_config32(dev, SATA_SIRI, idx);
> -       pci_write_config32(dev, SATA_SIRD, value);
> +       x86_pci_write_config32(dev, SATA_SIRI, idx);
> +       x86_pci_write_config32(dev, SATA_SIRD, value);
>  }
>
>  static void common_sata_init(pci_dev_t dev, unsigned int port_map)
> @@ -31,17 +31,17 @@ static void common_sata_init(pci_dev_t dev, unsigned int port_map)
>
>         /* Set IDE I/O Configuration */
>         reg32 = SIG_MODE_PRI_NORMAL | FAST_PCB1 | FAST_PCB0 | PCB1 | PCB0;
> -       pci_write_config32(dev, IDE_CONFIG, reg32);
> +       x86_pci_write_config32(dev, IDE_CONFIG, reg32);
>
>         /* Port enable */
> -       reg16 = pci_read_config16(dev, 0x92);
> +       reg16 = x86_pci_read_config16(dev, 0x92);
>         reg16 &= ~0x3f;
>         reg16 |= port_map;
> -       pci_write_config16(dev, 0x92, reg16);
> +       x86_pci_write_config16(dev, 0x92, reg16);
>
>         /* SATA Initialization register */
>         port_map &= 0xff;
> -       pci_write_config32(dev, 0x94, ((port_map ^ 0x3f) << 24) | 0x183);
> +       x86_pci_write_config32(dev, 0x94, ((port_map ^ 0x3f) << 24) | 0x183);
>  }
>
>  void bd82x6x_sata_init(pci_dev_t dev, const void *blob, int node)
> @@ -60,7 +60,7 @@ void bd82x6x_sata_init(pci_dev_t dev, const void *blob, int node)
>                                        "sata_interface_speed_support", 0);
>
>         /* Enable BARs */
> -       pci_write_config16(dev, PCI_COMMAND, 0x0007);
> +       x86_pci_write_config16(dev, PCI_COMMAND, 0x0007);
>
>         mode = fdt_getprop(blob, node, "intel,sata-mode", NULL);
>         if (!mode || !strcmp(mode, "ahci")) {
> @@ -69,18 +69,18 @@ void bd82x6x_sata_init(pci_dev_t dev, const void *blob, int node)
>                 debug("SATA: Controller in AHCI mode\n");
>
>                 /* Set Interrupt Line, Interrupt Pin is set by D31IP.PIP */
> -               pci_write_config8(dev, INTR_LN, 0x0a);
> +               x86_pci_write_config8(dev, INTR_LN, 0x0a);
>
>                 /* Set timings */
> -               pci_write_config16(dev, IDE_TIM_PRI, IDE_DECODE_ENABLE |
> +               x86_pci_write_config16(dev, IDE_TIM_PRI, IDE_DECODE_ENABLE |
>                                 IDE_ISP_3_CLOCKS | IDE_RCT_1_CLOCKS |
>                                 IDE_PPE0 | IDE_IE0 | IDE_TIME0);
> -               pci_write_config16(dev, IDE_TIM_SEC, IDE_DECODE_ENABLE |
> +               x86_pci_write_config16(dev, IDE_TIM_SEC, IDE_DECODE_ENABLE |
>                                 IDE_ISP_5_CLOCKS | IDE_RCT_4_CLOCKS);
>
>                 /* Sync DMA */
> -               pci_write_config16(dev, IDE_SDMA_CNT, IDE_PSDE0);
> -               pci_write_config16(dev, IDE_SDMA_TIM, 0x0001);
> +               x86_pci_write_config16(dev, IDE_SDMA_CNT, IDE_PSDE0);
> +               x86_pci_write_config16(dev, IDE_SDMA_TIM, 0x0001);
>
>                 common_sata_init(dev, 0x8000 | port_map);
>
> @@ -115,22 +115,22 @@ void bd82x6x_sata_init(pci_dev_t dev, const void *blob, int node)
>                 /* No AHCI: clear AHCI base */
>                 pci_write_bar32(hose, dev, 5, 0x00000000);
>                 /* And without AHCI BAR no memory decoding */
> -               reg16 = pci_read_config16(dev, PCI_COMMAND);
> +               reg16 = x86_pci_read_config16(dev, PCI_COMMAND);
>                 reg16 &= ~PCI_COMMAND_MEMORY;
> -               pci_write_config16(dev, PCI_COMMAND, reg16);
> +               x86_pci_write_config16(dev, PCI_COMMAND, reg16);
>
> -               pci_write_config8(dev, 0x09, 0x80);
> +               x86_pci_write_config8(dev, 0x09, 0x80);
>
>                 /* Set timings */
> -               pci_write_config16(dev, IDE_TIM_PRI, IDE_DECODE_ENABLE |
> +               x86_pci_write_config16(dev, IDE_TIM_PRI, IDE_DECODE_ENABLE |
>                                 IDE_ISP_5_CLOCKS | IDE_RCT_4_CLOCKS);
> -               pci_write_config16(dev, IDE_TIM_SEC, IDE_DECODE_ENABLE |
> +               x86_pci_write_config16(dev, IDE_TIM_SEC, IDE_DECODE_ENABLE |
>                                 IDE_ISP_3_CLOCKS | IDE_RCT_1_CLOCKS |
>                                 IDE_PPE0 | IDE_IE0 | IDE_TIME0);
>
>                 /* Sync DMA */
> -               pci_write_config16(dev, IDE_SDMA_CNT, IDE_SSDE0);
> -               pci_write_config16(dev, IDE_SDMA_TIM, 0x0200);
> +               x86_pci_write_config16(dev, IDE_SDMA_CNT, IDE_SSDE0);
> +               x86_pci_write_config16(dev, IDE_SDMA_TIM, 0x0200);
>
>                 common_sata_init(dev, port_map);
>         } else {
> @@ -140,31 +140,32 @@ void bd82x6x_sata_init(pci_dev_t dev, const void *blob, int node)
>                 pci_write_bar32(hose, dev, 5, 0x00000000);
>
>                 /* And without AHCI BAR no memory decoding */
> -               reg16 = pci_read_config16(dev, PCI_COMMAND);
> +               reg16 = x86_pci_read_config16(dev, PCI_COMMAND);
>                 reg16 &= ~PCI_COMMAND_MEMORY;
> -               pci_write_config16(dev, PCI_COMMAND, reg16);
> +               x86_pci_write_config16(dev, PCI_COMMAND, reg16);
>
>                 /*
>                  * Native mode capable on both primary and secondary (0xa)
>                  * OR'ed with enabled (0x50) = 0xf
>                  */
> -               pci_write_config8(dev, 0x09, 0x8f);
> +               x86_pci_write_config8(dev, 0x09, 0x8f);
>
>                 /* Set Interrupt Line */
>                 /* Interrupt Pin is set by D31IP.PIP */
> -               pci_write_config8(dev, INTR_LN, 0xff);
> +               x86_pci_write_config8(dev, INTR_LN, 0xff);
>
>                 /* Set timings */
> -               pci_write_config16(dev, IDE_TIM_PRI, IDE_DECODE_ENABLE |
> +               x86_pci_write_config16(dev, IDE_TIM_PRI, IDE_DECODE_ENABLE |
>                                 IDE_ISP_3_CLOCKS | IDE_RCT_1_CLOCKS |
>                                 IDE_PPE0 | IDE_IE0 | IDE_TIME0);
> -               pci_write_config16(dev, IDE_TIM_SEC, IDE_DECODE_ENABLE |
> +               x86_pci_write_config16(dev, IDE_TIM_SEC, IDE_DECODE_ENABLE |
>                                 IDE_SITRE | IDE_ISP_3_CLOCKS |
>                                 IDE_RCT_1_CLOCKS | IDE_IE0 | IDE_TIME0);
>
>                 /* Sync DMA */
> -               pci_write_config16(dev, IDE_SDMA_CNT, IDE_SSDE0 | IDE_PSDE0);
> -               pci_write_config16(dev, IDE_SDMA_TIM, 0x0201);
> +               x86_pci_write_config16(dev, IDE_SDMA_CNT,
> +                                      IDE_SSDE0 | IDE_PSDE0);
> +               x86_pci_write_config16(dev, IDE_SDMA_TIM, 0x0201);
>
>                 common_sata_init(dev, port_map);
>         }
> @@ -221,5 +222,5 @@ void bd82x6x_sata_enable(pci_dev_t dev, const void *blob, int node)
>         port_map = fdtdec_get_int(blob, node, "intel,sata-port-map", 0);
>
>         map |= (port_map ^ 0x3f) << 8;
> -       pci_write_config16(dev, 0x90, map);
> +       x86_pci_write_config16(dev, 0x90, map);
>  }
> diff --git a/arch/x86/cpu/ivybridge/sdram.c b/arch/x86/cpu/ivybridge/sdram.c
> index 766b385..672d069 100644
> --- a/arch/x86/cpu/ivybridge/sdram.c
> +++ b/arch/x86/cpu/ivybridge/sdram.c
> @@ -444,7 +444,7 @@ int sdram_initialise(struct pei_data *pei_data)
>          * Send ME init done for SandyBridge here.  This is done inside the
>          * SystemAgent binary on IvyBridge
>          */
> -       done = pci_read_config32(PCH_DEV, PCI_DEVICE_ID);
> +       done = x86_pci_read_config32(PCH_DEV, PCI_DEVICE_ID);
>         done &= BASE_REV_MASK;
>         if (BASE_REV_SNB == done)
>                 intel_early_me_init_done(ME_INIT_STATUS_SUCCESS);
> @@ -615,24 +615,24 @@ static int sdram_find(pci_dev_t dev)
>          */
>
>         /* Top of Upper Usable DRAM, including remap */
> -       touud = pci_read_config32(dev, TOUUD+4);
> +       touud = x86_pci_read_config32(dev, TOUUD+4);
>         touud <<= 32;
> -       touud |= pci_read_config32(dev, TOUUD);
> +       touud |= x86_pci_read_config32(dev, TOUUD);
>
>         /* Top of Lower Usable DRAM */
> -       tolud = pci_read_config32(dev, TOLUD);
> +       tolud = x86_pci_read_config32(dev, TOLUD);
>
>         /* Top of Memory - does not account for any UMA */
> -       tom = pci_read_config32(dev, 0xa4);
> +       tom = x86_pci_read_config32(dev, 0xa4);
>         tom <<= 32;
> -       tom |= pci_read_config32(dev, 0xa0);
> +       tom |= x86_pci_read_config32(dev, 0xa0);
>
>         debug("TOUUD %llx TOLUD %08x TOM %llx\n", touud, tolud, tom);
>
>         /* ME UMA needs excluding if total memory <4GB */
> -       me_base = pci_read_config32(dev, 0x74);
> +       me_base = x86_pci_read_config32(dev, 0x74);
>         me_base <<= 32;
> -       me_base |= pci_read_config32(dev, 0x70);
> +       me_base |= x86_pci_read_config32(dev, 0x70);
>
>         debug("MEBASE %llx\n", me_base);
>
> @@ -650,7 +650,7 @@ static int sdram_find(pci_dev_t dev)
>         }
>
>         /* Graphics memory comes next */
> -       ggc = pci_read_config16(dev, GGC);
> +       ggc = x86_pci_read_config16(dev, GGC);
>         if (!(ggc & 2)) {
>                 debug("IGD decoded, subtracting ");
>
> @@ -670,7 +670,7 @@ static int sdram_find(pci_dev_t dev)
>         }
>
>         /* Calculate TSEG size from its base which must be below GTT */
> -       tseg_base = pci_read_config32(dev, 0xb8);
> +       tseg_base = x86_pci_read_config32(dev, 0xb8);
>         uma_size = (uma_memory_base - tseg_base) >> 10;
>         tomk -= uma_size;
>         uma_memory_base = tomk * 1024ULL;
> diff --git a/arch/x86/cpu/ivybridge/usb_ehci.c b/arch/x86/cpu/ivybridge/usb_ehci.c
> index 291c971..da11aee 100644
> --- a/arch/x86/cpu/ivybridge/usb_ehci.c
> +++ b/arch/x86/cpu/ivybridge/usb_ehci.c
> @@ -20,10 +20,10 @@ void bd82x6x_usb_ehci_init(pci_dev_t dev)
>         writel(reg32, RCB_REG(0x35b0));
>
>         debug("EHCI: Setting up controller.. ");
> -       reg32 = pci_read_config32(dev, PCI_COMMAND);
> +       reg32 = x86_pci_read_config32(dev, PCI_COMMAND);
>         reg32 |= PCI_COMMAND_MASTER;
>         /* reg32 |= PCI_COMMAND_SERR; */
> -       pci_write_config32(dev, PCI_COMMAND, reg32);
> +       x86_pci_write_config32(dev, PCI_COMMAND, reg32);
>
>         debug("done.\n");
>  }
> diff --git a/arch/x86/cpu/ivybridge/usb_xhci.c b/arch/x86/cpu/ivybridge/usb_xhci.c
> index 4a32a7e..f77b804 100644
> --- a/arch/x86/cpu/ivybridge/usb_xhci.c
> +++ b/arch/x86/cpu/ivybridge/usb_xhci.c
> @@ -16,17 +16,17 @@ void bd82x6x_usb_xhci_init(pci_dev_t dev)
>         debug("XHCI: Setting up controller.. ");
>
>         /* lock overcurrent map */
> -       reg32 = pci_read_config32(dev, 0x44);
> +       reg32 = x86_pci_read_config32(dev, 0x44);
>         reg32 |= 1;
> -       pci_write_config32(dev, 0x44, reg32);
> +       x86_pci_write_config32(dev, 0x44, reg32);
>
>         /* Enable clock gating */
> -       reg32 = pci_read_config32(dev, 0x40);
> +       reg32 = x86_pci_read_config32(dev, 0x40);
>         reg32 &= ~((1 << 20) | (1 << 21));
>         reg32 |= (1 << 19) | (1 << 18) | (1 << 17);
>         reg32 |= (1 << 10) | (1 << 9) | (1 << 8);
>         reg32 |= (1 << 31); /* lock */
> -       pci_write_config32(dev, 0x40, reg32);
> +       x86_pci_write_config32(dev, 0x40, reg32);
>
>         debug("done.\n");
>  }
> diff --git a/arch/x86/cpu/pci.c b/arch/x86/cpu/pci.c
> index ab1aaaa..c6c5267 100644
> --- a/arch/x86/cpu/pci.c
> +++ b/arch/x86/cpu/pci.c
> @@ -70,7 +70,7 @@ static struct pci_controller *get_hose(void)
>         return pci_bus_to_hose(0);
>  }
>
> -unsigned int pci_read_config8(pci_dev_t dev, unsigned where)
> +unsigned int x86_pci_read_config8(pci_dev_t dev, unsigned where)
>  {
>         uint8_t value;
>
> @@ -79,7 +79,7 @@ unsigned int pci_read_config8(pci_dev_t dev, unsigned where)
>         return value;
>  }
>
> -unsigned int pci_read_config16(pci_dev_t dev, unsigned where)
> +unsigned int x86_pci_read_config16(pci_dev_t dev, unsigned where)
>  {
>         uint16_t value;
>
> @@ -88,7 +88,7 @@ unsigned int pci_read_config16(pci_dev_t dev, unsigned where)
>         return value;
>  }
>
> -unsigned int pci_read_config32(pci_dev_t dev, unsigned where)
> +unsigned int x86_pci_read_config32(pci_dev_t dev, unsigned where)
>  {
>         uint32_t value;
>
> @@ -97,17 +97,17 @@ unsigned int pci_read_config32(pci_dev_t dev, unsigned where)
>         return value;
>  }
>
> -void pci_write_config8(pci_dev_t dev, unsigned where, unsigned value)
> +void x86_pci_write_config8(pci_dev_t dev, unsigned where, unsigned value)
>  {
>         pci_hose_write_config_byte(get_hose(), dev, where, value);
>  }
>
> -void pci_write_config16(pci_dev_t dev, unsigned where, unsigned value)
> +void x86_pci_write_config16(pci_dev_t dev, unsigned where, unsigned value)
>  {
>         pci_hose_write_config_word(get_hose(), dev, where, value);
>  }
>
> -void pci_write_config32(pci_dev_t dev, unsigned where, unsigned value)
> +void x86_pci_write_config32(pci_dev_t dev, unsigned where, unsigned value)
>  {
>         pci_hose_write_config_dword(get_hose(), dev, where, value);
>  }
> diff --git a/arch/x86/cpu/quark/quark.c b/arch/x86/cpu/quark/quark.c
> index dccf7ac..ca40d0e 100644
> --- a/arch/x86/cpu/quark/quark.c
> +++ b/arch/x86/cpu/quark/quark.c
> @@ -28,9 +28,9 @@ static void unprotect_spi_flash(void)
>  {
>         u32 bc;
>
> -       bc = pci_read_config32(QUARK_LEGACY_BRIDGE, 0xd8);
> +       bc = x86_pci_read_config32(QUARK_LEGACY_BRIDGE, 0xd8);
>         bc |= 0x1;      /* unprotect the flash */
> -       pci_write_config32(QUARK_LEGACY_BRIDGE, 0xd8, bc);
> +       x86_pci_write_config32(QUARK_LEGACY_BRIDGE, 0xd8, bc);
>  }
>
>  static void quark_setup_bars(void)
> diff --git a/arch/x86/cpu/queensbay/tnc.c b/arch/x86/cpu/queensbay/tnc.c
> index 30ab725..b7236e7 100644
> --- a/arch/x86/cpu/queensbay/tnc.c
> +++ b/arch/x86/cpu/queensbay/tnc.c
> @@ -16,9 +16,9 @@ static void unprotect_spi_flash(void)
>  {
>         u32 bc;
>
> -       bc = pci_read_config32(PCH_LPC_DEV, 0xd8);
> +       bc = x86_pci_read_config32(PCH_LPC_DEV, 0xd8);
>         bc |= 0x1;      /* unprotect the flash */
> -       pci_write_config32(PCH_LPC_DEV, 0xd8, bc);
> +       x86_pci_write_config32(PCH_LPC_DEV, 0xd8, bc);
>  }
>
>  int arch_cpu_init(void)
> diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h
> index a153dd1..b277b3d 100644
> --- a/arch/x86/include/asm/pci.h
> +++ b/arch/x86/include/asm/pci.h
> @@ -48,13 +48,13 @@ int board_pci_post_scan(struct pci_controller *hose);
>   * Simple PCI access routines - these work from either the early PCI hose
>   * or the 'real' one, created after U-Boot has memory available
>   */
> -unsigned int pci_read_config8(pci_dev_t dev, unsigned where);
> -unsigned int pci_read_config16(pci_dev_t dev, unsigned where);
> -unsigned int pci_read_config32(pci_dev_t dev, unsigned where);
> +unsigned int x86_pci_read_config8(pci_dev_t dev, unsigned where);
> +unsigned int x86_pci_read_config16(pci_dev_t dev, unsigned where);
> +unsigned int x86_pci_read_config32(pci_dev_t dev, unsigned where);
>
> -void pci_write_config8(pci_dev_t dev, unsigned where, unsigned value);
> -void pci_write_config16(pci_dev_t dev, unsigned where, unsigned value);
> -void pci_write_config32(pci_dev_t dev, unsigned where, unsigned value);
> +void x86_pci_write_config8(pci_dev_t dev, unsigned where, unsigned value);
> +void x86_pci_write_config16(pci_dev_t dev, unsigned where, unsigned value);
> +void x86_pci_write_config32(pci_dev_t dev, unsigned where, unsigned value);
>
>  #endif /* __ASSEMBLY__ */
>
> diff --git a/arch/x86/lib/bios_interrupts.c b/arch/x86/lib/bios_interrupts.c
> index b0e2ecb..290990a 100644
> --- a/arch/x86/lib/bios_interrupts.c
> +++ b/arch/x86/lib/bios_interrupts.c
> @@ -172,28 +172,28 @@ int int1a_handler(void)
>                 }
>                 switch (func) {
>                 case 0xb108: /* Read Config Byte */
> -                       byte = pci_read_config8(dev, reg);
> +                       byte = x86_pci_read_config8(dev, reg);
>                         M.x86.R_ECX = byte;
>                         break;
>                 case 0xb109: /* Read Config Word */
> -                       word = pci_read_config16(dev, reg);
> +                       word = x86_pci_read_config16(dev, reg);
>                         M.x86.R_ECX = word;
>                         break;
>                 case 0xb10a: /* Read Config Dword */
> -                       dword = pci_read_config32(dev, reg);
> +                       dword = x86_pci_read_config32(dev, reg);
>                         M.x86.R_ECX = dword;
>                         break;
>                 case 0xb10b: /* Write Config Byte */
>                         byte = M.x86.R_ECX;
> -                       pci_write_config8(dev, reg, byte);
> +                       x86_pci_write_config8(dev, reg, byte);
>                         break;
>                 case 0xb10c: /* Write Config Word */
>                         word = M.x86.R_ECX;
> -                       pci_write_config16(dev, reg, word);
> +                       x86_pci_write_config16(dev, reg, word);
>                         break;
>                 case 0xb10d: /* Write Config Dword */
>                         dword = M.x86.R_ECX;
> -                       pci_write_config32(dev, reg, dword);
> +                       x86_pci_write_config32(dev, reg, dword);
>                         break;
>                 }
>
> diff --git a/drivers/gpio/intel_ich6_gpio.c b/drivers/gpio/intel_ich6_gpio.c
> index 7720cc3..06530d7 100644
> --- a/drivers/gpio/intel_ich6_gpio.c
> +++ b/drivers/gpio/intel_ich6_gpio.c
> @@ -64,13 +64,13 @@ static int gpio_ich6_ofdata_to_platdata(struct udevice *dev)
>         pci_dev = PCI_BDF(0, 0x1f, 0);
>
>         /* Is the device present? */
> -       tmpword = pci_read_config16(pci_dev, PCI_VENDOR_ID);
> +       tmpword = x86_pci_read_config16(pci_dev, PCI_VENDOR_ID);
>         if (tmpword != PCI_VENDOR_ID_INTEL) {
>                 debug("%s: wrong VendorID\n", __func__);
>                 return -ENODEV;
>         }
>
> -       tmpword = pci_read_config16(pci_dev, PCI_DEVICE_ID);
> +       tmpword = x86_pci_read_config16(pci_dev, PCI_DEVICE_ID);
>         debug("Found %04x:%04x\n", PCI_VENDOR_ID_INTEL, tmpword);
>         /*
>          * We'd like to validate the Device ID too, but pretty much any
> @@ -80,34 +80,34 @@ static int gpio_ich6_ofdata_to_platdata(struct udevice *dev)
>          */
>
>         /* I/O should already be enabled (it's a RO bit). */
> -       tmpword = pci_read_config16(pci_dev, PCI_COMMAND);
> +       tmpword = x86_pci_read_config16(pci_dev, PCI_COMMAND);
>         if (!(tmpword & PCI_COMMAND_IO)) {
>                 debug("%s: device IO not enabled\n", __func__);
>                 return -ENODEV;
>         }
>
>         /* Header Type must be normal (bits 6-0 only; see spec.) */
> -       tmpbyte = pci_read_config8(pci_dev, PCI_HEADER_TYPE);
> +       tmpbyte = x86_pci_read_config8(pci_dev, PCI_HEADER_TYPE);
>         if ((tmpbyte & 0x7f) != PCI_HEADER_TYPE_NORMAL) {
>                 debug("%s: invalid Header type\n", __func__);
>                 return -ENODEV;
>         }
>
>         /* Base Class must be a bridge device */
> -       tmpbyte = pci_read_config8(pci_dev, PCI_CLASS_CODE);
> +       tmpbyte = x86_pci_read_config8(pci_dev, PCI_CLASS_CODE);
>         if (tmpbyte != PCI_CLASS_CODE_BRIDGE) {
>                 debug("%s: invalid class\n", __func__);
>                 return -ENODEV;
>         }
>         /* Sub Class must be ISA */
> -       tmpbyte = pci_read_config8(pci_dev, PCI_CLASS_SUB_CODE);
> +       tmpbyte = x86_pci_read_config8(pci_dev, PCI_CLASS_SUB_CODE);
>         if (tmpbyte != PCI_CLASS_SUB_CODE_BRIDGE_ISA) {
>                 debug("%s: invalid subclass\n", __func__);
>                 return -ENODEV;
>         }
>
>         /* Programming Interface must be 0x00 (no others exist) */
> -       tmpbyte = pci_read_config8(pci_dev, PCI_CLASS_PROG);
> +       tmpbyte = x86_pci_read_config8(pci_dev, PCI_CLASS_PROG);
>         if (tmpbyte != 0x00) {
>                 debug("%s: invalid interface type\n", __func__);
>                 return -ENODEV;
> @@ -123,7 +123,7 @@ static int gpio_ich6_ofdata_to_platdata(struct udevice *dev)
>          * while on the Ivybridge the bit0 is used to indicate it is an
>          * I/O space.
>          */
> -       tmplong = pci_read_config32(pci_dev, PCI_CFG_GPIOBASE);
> +       tmplong = x86_pci_read_config32(pci_dev, PCI_CFG_GPIOBASE);
>         if (tmplong == 0x00000000 || tmplong == 0xffffffff) {
>                 debug("%s: unexpected GPIOBASE value\n", __func__);
>                 return -ENODEV;
> --

Reviewed-by: Bin Meng <bmeng.cn at gmail.com>


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