diff options
Diffstat (limited to 'arch/x86/cpu/ivybridge/bd82x6x.c')
| -rw-r--r-- | arch/x86/cpu/ivybridge/bd82x6x.c | 47 |
1 files changed, 30 insertions, 17 deletions
diff --git a/arch/x86/cpu/ivybridge/bd82x6x.c b/arch/x86/cpu/ivybridge/bd82x6x.c index 65a17d3..ca8cccf 100644 --- a/arch/x86/cpu/ivybridge/bd82x6x.c +++ b/arch/x86/cpu/ivybridge/bd82x6x.c @@ -5,6 +5,7 @@ */ #include <common.h> +#include <dm.h> #include <errno.h> #include <fdtdec.h> #include <malloc.h> @@ -22,36 +23,36 @@ 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 +60,7 @@ 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 +68,7 @@ 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 @@ -77,16 +78,16 @@ 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); } -int bd82x6x_init_pci_devices(void) +static int bd82x6x_probe(struct udevice *dev) { const void *blob = gd->fdt_blob; struct pci_controller *hose; @@ -144,3 +145,15 @@ int bd82x6x_init(void) 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, +}; |