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package main
type sandybridgemc struct {
}
func (i sandybridgemc) Scan(ctx Context, addr PCIDevData) {
inteltool := ctx.InfoSource.GetInteltool()
/* FIXME:XX Move this somewhere else. */
MainboardIncludes = append(MainboardIncludes, "drivers/intel/gma/int15.h")
MainboardEnable += (` /* FIXME: fix those values*/
install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_INT_LVDS,
GMA_INT15_PANEL_FIT_DEFAULT,
GMA_INT15_BOOT_DISPLAY_DEFAULT, 0);
`)
pchLVDS := inteltool.IGD[0xe1180]
dualChannel := pchLVDS&(3<<2) == (3 << 2)
pipe := (pchLVDS >> 30) & 1
link_m1 := inteltool.IGD[0x60040+0x1000*pipe]
link_n1 := inteltool.IGD[0x60044+0x1000*pipe]
link_factor := float32(link_m1) / float32(link_n1)
fp0 := inteltool.IGD[0xc6040+8*pipe]
dpll := inteltool.IGD[0xc6014+4*pipe]
pixel_m2 := fp0 & 0xff
pixel_m1 := (fp0>>8)&0xff + 2
pixel_p1 := uint32(1)
for i := dpll & 0x1ffff; i != 0 && i&1 == 0; i >>= 1 {
pixel_p1++
}
pixel_n := ((fp0 >> 16) & 0xff) + 2
pixel_frequency := float32(120000*(5*pixel_m1+pixel_m2)) / float32(pixel_n*pixel_p1*7.0)
if !dualChannel {
pixel_frequency /= 2
}
link_frequency := pixel_frequency / link_factor
DevTree = DevTreeNode{
Chip: "northbridge/intel/sandybridge",
MissingParent: "northbridge",
Comment: "FIXME: check gfx.ndid and gfx.did",
Registers: map[string]string{
"gpu_dp_b_hotplug": FormatInt32((inteltool.IGD[0xc4030] >> 2) & 7),
"gpu_dp_c_hotplug": FormatInt32((inteltool.IGD[0xc4030] >> 10) & 7),
"gpu_dp_d_hotplug": FormatInt32((inteltool.IGD[0xc4030] >> 18) & 7),
"gpu_panel_port_select": FormatInt32((inteltool.IGD[0xc7208] >> 30) & 3),
"gpu_panel_power_up_delay": FormatInt32((inteltool.IGD[0xc7208] >> 16) & 0x1fff),
"gpu_panel_power_backlight_on_delay": FormatInt32(inteltool.IGD[0xc7208] & 0x1fff),
"gpu_panel_power_down_delay": FormatInt32((inteltool.IGD[0xc720c] >> 16) & 0x1fff),
"gpu_panel_power_backlight_off_delay": FormatInt32(inteltool.IGD[0xc720c] & 0x1fff),
"gpu_panel_power_cycle_delay": FormatInt32(inteltool.IGD[0xc7210] & 0xff),
"gpu_cpu_backlight": FormatHex32(inteltool.IGD[0x48254]),
"gpu_pch_backlight": FormatHex32((inteltool.IGD[0xc8254] >> 16) * 0x10001),
"gfx.use_spread_spectrum_clock": FormatBool((inteltool.IGD[0xc6200]>>12)&1 != 0),
"gfx.link_frequency_270_mhz": FormatBool(link_frequency > 200000),
/* FIXME:XX hardcoded. */
"gfx.ndid": "3",
"gfx.did": "{ 0x80000100, 0x80000240, 0x80000410 }",
},
Children: []DevTreeNode{
{
Chip: "cpu_cluster",
Dev: 0,
Children: []DevTreeNode{
{
Chip: "cpu/intel/model_206ax",
Comment: "FIXME: check all registers",
Registers: map[string]string{
/* FIXME:XX hardcoded. */
"c1_acpower": "1",
"c2_acpower": "3",
"c3_acpower": "5",
"c1_battery": "1",
"c2_battery": "3",
"c3_battery": "5",
},
Children: []DevTreeNode{
{
Chip: "lapic",
Dev: 0,
},
{
Chip: "lapic",
Dev: 0xacac,
Disabled: true,
},
},
},
},
},
{
Chip: "domain",
Dev: 0,
PCIController: true,
ChildPCIBus: 0,
PCISlots: []PCISlot{
PCISlot{PCIAddr: PCIAddr{Dev: 0x0, Func: 0}, writeEmpty: true, additionalComment: "Host bridge"},
PCISlot{PCIAddr: PCIAddr{Dev: 0x1, Func: 0}, writeEmpty: true, additionalComment: "PCIe Bridge for discrete graphics"},
PCISlot{PCIAddr: PCIAddr{Dev: 0x2, Func: 0}, writeEmpty: true, additionalComment: "Internal graphics"},
},
},
},
}
PutPCIDev(addr, "Host bridge")
/* FIXME:XX some configs are unsupported. */
KconfigBool["NORTHBRIDGE_INTEL_SANDYBRIDGE"] = true
KconfigBool["USE_NATIVE_RAMINIT"] = true
KconfigBool["INTEL_INT15"] = true
KconfigBool["HAVE_ACPI_TABLES"] = true
KconfigBool["HAVE_ACPI_RESUME"] = true
KconfigInt["MAX_CPUS"] = 8
DSDTIncludes = append(DSDTIncludes, DSDTInclude{
File: "cpu/intel/common/acpi/cpu.asl",
})
DSDTPCI0Includes = append(DSDTPCI0Includes, DSDTInclude{
File: "northbridge/intel/sandybridge/acpi/sandybridge.asl",
}, DSDTInclude{
File: "drivers/intel/gma/acpi/default_brightness_levels.asl",
})
}
func init() {
RegisterPCI(0x8086, 0x0100, sandybridgemc{})
RegisterPCI(0x8086, 0x0104, sandybridgemc{})
RegisterPCI(0x8086, 0x0150, sandybridgemc{})
RegisterPCI(0x8086, 0x0154, sandybridgemc{})
for _, id := range []uint16{
0x0102, 0x0106, 0x010a,
0x0112, 0x0116, 0x0122, 0x0126,
0x0152, 0x0156, 0x0162, 0x0166,
} {
RegisterPCI(0x8086, id, GenericVGA{GenericPCI{Comment: "VGA controller"}})
}
/* PCIe bridge */
for _, id := range []uint16{
0x0101, 0x0105, 0x0109, 0x010d,
0x0151, 0x0155, 0x0159, 0x015d,
} {
RegisterPCI(0x8086, id, GenericPCI{})
}
}
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