#include <fdtdec.h>
#include <pch.h>
#include <asm/cpu.h>
+#include <asm/cpu_common.h>
+#include <asm/intel_regs.h>
#include <asm/io.h>
#include <asm/lapic.h>
+#include <asm/lpc_common.h>
+#include <asm/microcode.h>
#include <asm/msr.h>
#include <asm/mtrr.h>
#include <asm/pci.h>
#include <asm/post.h>
#include <asm/processor.h>
#include <asm/arch/model_206ax.h>
-#include <asm/arch/microcode.h>
#include <asm/arch/pch.h>
#include <asm/arch/sandybridge.h>
static int set_flex_ratio_to_tdp_nominal(void)
{
- msr_t flex_ratio, msr;
- u8 nominal_ratio;
-
/* Minimum CPU revision for configurable TDP support */
if (cpuid_eax(1) < IVB_CONFIG_TDP_MIN_CPUID)
return -EINVAL;
- /* Check for Flex Ratio support */
- flex_ratio = msr_read(MSR_FLEX_RATIO);
- if (!(flex_ratio.lo & FLEX_RATIO_EN))
- return -EINVAL;
-
- /* Check for >0 configurable TDPs */
- msr = msr_read(MSR_PLATFORM_INFO);
- if (((msr.hi >> 1) & 3) == 0)
- return -EINVAL;
-
- /* Use nominal TDP ratio for flex ratio */
- msr = msr_read(MSR_CONFIG_TDP_NOMINAL);
- nominal_ratio = msr.lo & 0xff;
-
- /* See if flex ratio is already set to nominal TDP ratio */
- if (((flex_ratio.lo >> 8) & 0xff) == nominal_ratio)
- return 0;
-
- /* Set flex ratio to nominal TDP ratio */
- flex_ratio.lo &= ~0xff00;
- flex_ratio.lo |= nominal_ratio << 8;
- flex_ratio.lo |= FLEX_RATIO_LOCK;
- msr_write(MSR_FLEX_RATIO, flex_ratio);
-
- /* Set flex ratio in soft reset data register bits 11:6 */
- clrsetbits_le32(RCB_REG(SOFT_RESET_DATA), 0x3f << 6,
- (nominal_ratio & 0x3f) << 6);
-
- /* Set soft reset control to use register value */
- setbits_le32(RCB_REG(SOFT_RESET_CTRL), 1);
-
- /* Issue warm reset, will be "CPU only" due to soft reset data */
- outb(0x0, PORT_RESET);
- outb(SYS_RST | RST_CPU, PORT_RESET);
- cpu_hlt();
-
- /* Not reached */
- return -EINVAL;
+ return cpu_set_flex_ratio_to_tdp_nominal();
}
int arch_cpu_init(void)
/* TODO(sjg@chromium.org): Get rid of gd->hose */
gd->hose = hose;
- ret = uclass_first_device(UCLASS_LPC, &dev);
- if (!dev)
- return -ENODEV;
+ ret = uclass_first_device_err(UCLASS_LPC, &dev);
+ if (ret)
+ return ret;
/*
* We should do as little as possible before the serial console is
* up. Perhaps this should move to later. Our next lot of init
- * happens in print_cpuinfo() when we have a console
+ * happens in checkcpu() when we have a console
*/
ret = set_flex_ratio_to_tdp_nominal();
if (ret)
return 0;
}
-static int enable_smbus(void)
-{
- pci_dev_t dev;
- uint16_t value;
-
- /* Set the SMBus device statically. */
- dev = PCI_BDF(0x0, 0x1f, 0x3);
-
- /* Check to make sure we've got the right device. */
- value = x86_pci_read_config16(dev, 0x0);
- if (value != 0x8086) {
- printf("SMBus controller not found\n");
- return -ENOSYS;
- }
-
- /* Set SMBus I/O base. */
- x86_pci_write_config32(dev, SMB_BASE,
- SMBUS_IO_BASE | PCI_BASE_ADDRESS_SPACE_IO);
-
- /* Set SMBus enable. */
- x86_pci_write_config8(dev, HOSTC, HST_EN);
-
- /* Set SMBus I/O space enable. */
- x86_pci_write_config16(dev, PCI_COMMAND, PCI_COMMAND_IO);
-
- /* Disable interrupt generation. */
- outb(0, SMBUS_IO_BASE + SMBHSTCTL);
-
- /* Clear any lingering errors, so transactions can run. */
- outb(inb(SMBUS_IO_BASE + SMBHSTSTAT), SMBUS_IO_BASE + SMBHSTSTAT);
- debug("SMBus controller enabled\n");
-
- return 0;
-}
-
#define PCH_EHCI0_TEMP_BAR0 0xe8000000
#define PCH_EHCI1_TEMP_BAR0 0xe8000400
#define PCH_XHCI_TEMP_BAR0 0xe8001000
*
* This is used to speed up the resume path.
*/
-static void enable_usb_bar(void)
+static void enable_usb_bar(struct udevice *bus)
{
pci_dev_t usb0 = PCH_EHCI1_DEV;
pci_dev_t usb1 = PCH_EHCI2_DEV;
pci_dev_t usb3 = PCH_XHCI_DEV;
- u32 cmd;
+ ulong cmd;
/* USB Controller 1 */
- x86_pci_write_config32(usb0, PCI_BASE_ADDRESS_0,
- PCH_EHCI0_TEMP_BAR0);
- cmd = x86_pci_read_config32(usb0, PCI_COMMAND);
+ pci_bus_write_config(bus, usb0, PCI_BASE_ADDRESS_0,
+ PCH_EHCI0_TEMP_BAR0, PCI_SIZE_32);
+ pci_bus_read_config(bus, usb0, PCI_COMMAND, &cmd, PCI_SIZE_32);
cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
- x86_pci_write_config32(usb0, PCI_COMMAND, cmd);
+ pci_bus_write_config(bus, usb0, PCI_COMMAND, cmd, PCI_SIZE_32);
- /* USB Controller 1 */
- x86_pci_write_config32(usb1, PCI_BASE_ADDRESS_0,
- PCH_EHCI1_TEMP_BAR0);
- cmd = x86_pci_read_config32(usb1, PCI_COMMAND);
+ /* USB Controller 2 */
+ pci_bus_write_config(bus, usb1, PCI_BASE_ADDRESS_0,
+ PCH_EHCI1_TEMP_BAR0, PCI_SIZE_32);
+ pci_bus_read_config(bus, usb1, PCI_COMMAND, &cmd, PCI_SIZE_32);
cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
- x86_pci_write_config32(usb1, PCI_COMMAND, cmd);
+ pci_bus_write_config(bus, usb1, PCI_COMMAND, cmd, PCI_SIZE_32);
- /* USB3 Controller */
- x86_pci_write_config32(usb3, PCI_BASE_ADDRESS_0,
- PCH_XHCI_TEMP_BAR0);
- cmd = x86_pci_read_config32(usb3, PCI_COMMAND);
+ /* USB3 Controller 1 */
+ pci_bus_write_config(bus, usb3, PCI_BASE_ADDRESS_0,
+ PCH_XHCI_TEMP_BAR0, PCI_SIZE_32);
+ pci_bus_read_config(bus, usb3, PCI_COMMAND, &cmd, PCI_SIZE_32);
cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
- x86_pci_write_config32(usb3, PCI_COMMAND, cmd);
+ pci_bus_write_config(bus, usb3, PCI_COMMAND, cmd, PCI_SIZE_32);
}
-static int report_bist_failure(void)
-{
- if (gd->arch.bist != 0) {
- post_code(POST_BIST_FAILURE);
- printf("BIST failed: %08x\n", gd->arch.bist);
- return -EFAULT;
- }
-
- return 0;
-}
-
-int print_cpuinfo(void)
+int checkcpu(void)
{
enum pei_boot_mode_t boot_mode = PEI_BOOT_NONE;
- char processor_name[CPU_MAX_NAME_LEN];
struct udevice *dev, *lpc;
- const char *name;
uint32_t pm1_cnt;
uint16_t pm1_sts;
int ret;
- /* Halt if there was a built in self test failure */
- ret = report_bist_failure();
- if (ret)
- return ret;
-
- enable_lapic();
-
- ret = microcode_update_intel();
- if (ret)
- return ret;
-
- /* Enable upper 128bytes of CMOS */
- writel(1 << 2, RCB_REG(RC));
-
/* TODO: cmos_post_init() */
if (readl(MCHBAR_REG(SSKPD)) == 0xCAFE) {
debug("soft reset detected\n");
reset_cpu(0);
}
- /* Early chipset init required before RAM init can work */
- uclass_first_device(UCLASS_NORTHBRIDGE, &dev);
-
- ret = uclass_first_device(UCLASS_LPC, &lpc);
- if (ret)
+ ret = cpu_common_init();
+ if (ret) {
+ debug("%s: cpu_common_init() failed\n", __func__);
return ret;
- if (!dev)
- return -ENODEV;
-
- /* Cause the SATA device to do its early init */
- uclass_first_device(UCLASS_DISK, &dev);
+ }
/* Check PM1_STS[15] to see if we are waking from Sx */
pm1_sts = inw(DEFAULT_PMBASE + PM1_STS);
post_code(POST_EARLY_INIT);
/* Enable SPD ROMs and DDR-III DRAM */
- ret = enable_smbus();
- if (ret)
+ ret = uclass_first_device_err(UCLASS_I2C, &dev);
+ 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)
- enable_usb_bar();
+ if (boot_mode == PEI_BOOT_RESUME) {
+ uclass_first_device(UCLASS_LPC, &lpc);
+ enable_usb_bar(pci_get_controller(lpc->parent));
+ }
gd->arch.pei_boot_mode = boot_mode;
+ return 0;
+}
+
+int print_cpuinfo(void)
+{
+ char processor_name[CPU_MAX_NAME_LEN];
+ const char *name;
+
/* Print processor name */
name = cpu_get_name(processor_name);
printf("CPU: %s\n", name);
projects / u-boot / blobdiff