*/
#include <common.h>
+#include <dm.h>
#include <errno.h>
#include <fdtdec.h>
#include <malloc.h>
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
-void bd82x6x_pci_dev_enable_resources(pci_dev_t dev)
-{
- uint16_t command;
-
- command = pci_read_config16(dev, PCI_COMMAND);
- command |= PCI_COMMAND_IO;
-#ifdef PCI_BRIDGE_UPDATE_COMMAND
- /*
- * If we write to PCI_COMMAND, on some systems this will cause the
- * ROM and APICs to become invisible.
- */
- debug("%x cmd <- %02x\n", dev, command);
- pci_write_config16(dev, PCI_COMMAND, command);
-#else
- printf("%s cmd <- %02x (NOT WRITTEN!)\n", dev_path(dev), command);
-#endif
-}
-
-void bd82x6x_pci_bus_enable_resources(pci_dev_t dev)
-{
- uint16_t ctrl;
-
- ctrl = 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);
-
- bd82x6x_pci_dev_enable_resources(dev);
-}
-
-int bd82x6x_init_pci_devices(void)
+static int bd82x6x_probe(struct udevice *dev)
{
+ const void *blob = gd->fdt_blob;
struct pci_controller *hose;
+ struct x86_cpu_priv *cpu;
+ int sata_node, gma_node;
+ int ret;
hose = pci_bus_to_hose(0);
lpc_enable(PCH_LPC_DEV);
lpc_init(hose, PCH_LPC_DEV);
+ sata_node = fdtdec_next_compatible(blob, 0,
+ COMPAT_INTEL_PANTHERPOINT_AHCI);
+ if (sata_node < 0) {
+ debug("%s: Cannot find SATA node\n", __func__);
+ return -EINVAL;
+ }
+ bd82x6x_sata_init(PCH_SATA_DEV, blob, sata_node);
+ bd82x6x_usb_ehci_init(PCH_EHCI1_DEV);
+ bd82x6x_usb_ehci_init(PCH_EHCI2_DEV);
+
+ cpu = calloc(1, sizeof(*cpu));
+ if (!cpu)
+ return -ENOMEM;
+ model_206ax_init(cpu);
+
+ gma_node = fdtdec_next_compatible(blob, 0, COMPAT_INTEL_GMA);
+ if (gma_node < 0) {
+ debug("%s: Cannot find GMA node\n", __func__);
+ return -EINVAL;
+ }
+ ret = gma_func0_init(PCH_VIDEO_DEV, pci_bus_to_hose(0), blob,
+ gma_node);
+ if (ret)
+ return ret;
return 0;
}
int bd82x6x_init(void)
{
+ const void *blob = gd->fdt_blob;
+ int sata_node;
+
+ sata_node = fdtdec_next_compatible(blob, 0,
+ COMPAT_INTEL_PANTHERPOINT_AHCI);
+ if (sata_node < 0) {
+ debug("%s: Cannot find SATA node\n", __func__);
+ return -EINVAL;
+ }
+
bd82x6x_pci_init(PCH_DEV);
+ bd82x6x_sata_enable(PCH_SATA_DEV, blob, sata_node);
+ northbridge_enable(PCH_DEV);
+ northbridge_init(PCH_DEV);
return 0;
}
+
+static const struct udevice_id bd82x6x_ids[] = {
+ { .compatible = "intel,bd82x6x" },
+ { }
+};
+
+U_BOOT_DRIVER(bd82x6x_drv) = {
+ .name = "bd82x6x",
+ .id = UCLASS_PCH,
+ .of_match = bd82x6x_ids,
+ .probe = bd82x6x_probe,
+};