sravan/system76-coreboot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Kontron 986LCD-M updates:

Browse Source 
* ACPI updates: MCFG, HPET, FADT
* some mptable fixes for certain riser cards
* Use Channel XOR randomization
* Fix SuperIO HWM setup
* Enable all three network adapters

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Myles Watson <mylesgw@gmail.com>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3993 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Stefan Reinauer
2009-03-11 15:20:36 +00:00
committed by Stefan Reinauer
parent cc44b06d9d
commit e1025d0f7f
4 changed files with 57 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

60
src/mainboard/kontron/986lcd-m/acpi_tables.c
View File

@@ -96,30 +96,50 @@ void acpi_create_oemb(acpi_oemb_t *oemb)
unsigned long acpi_fill_mcfg(unsigned long current)
{
#if 0
device_t dev;
u64 mmcfg;
u32 pciexbar = 0;
u32 pciexbar_reg;
int max_buses;
dev = dev_find_device(0x1106, 0x324b, 0); // 0:0x13.0
dev = dev_find_device(0x8086, 0x27a0, 0);
if (!dev)
return current;
// MMCFG not supported or not enabled.
if ((pci_read_config8(dev, 0x40) & 0xC0) != 0xC0)
pciexbar_reg=pci_read_config32(dev, 0x48);
if (!(pciexbar_reg & (1 << 0)))
return current;
mmcfg = ((u64) pci_read_config8(dev, 0x41)) << 28;
if (!mmcfg)
switch ((pciexbar_reg >> 1) & 3) {
case 0: // 256MB
pciexbar = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28));
max_buses = 256;
break;
case 1: // 128M
pciexbar = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28)|(1 << 27));
max_buses = 128;
break;
case 2: // 64M
pciexbar = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28)|(1 << 27)|(1 << 26));
max_buses = 64;
break;
default: // RSVD
return current;
}
if (!pciexbar)
return current;
current += acpi_create_mcfg_mmconfig((acpi_mcfg_mmconfig_t *) current, mmcfg, 0x0, 0x0, 0xff);
#endif
current += acpi_create_mcfg_mmconfig((acpi_mcfg_mmconfig_t *) current,
pciexbar, 0x0, 0x0, max_buses - 1);
return current;
}
void acpi_create_intel_hpet(acpi_hpet_t * hpet)
{
#define HPET_ADDR 0xfe800000ULL
#define HPET_ADDR 0xfed00000ULL
acpi_header_t *header = &(hpet->header);
acpi_addr_t *addr = &(hpet->addr);
@@ -135,16 +155,15 @@ void acpi_create_intel_hpet(acpi_hpet_t * hpet)
header->revision = 1;
/* fill out HPET address */
// XXX factory bios just puts an address here -- who's right?
addr->space_id = 0; /* Memory */
addr->bit_width = 64;
addr->bit_offset = 0;
addr->addrl = HPET_ADDR & 0xffffffff;
addr->addrh = HPET_ADDR >> 32;
hpet->id = 0x80861234; /* VIA */
hpet->id = 0x8086a201; /* Intel */
hpet->number = 0x00;
hpet->min_tick = 0x0090;
hpet->min_tick = 0x0080;
header->checksum =
acpi_checksum((void *) hpet, sizeof(acpi_hpet_t));
@@ -199,10 +218,11 @@ unsigned long write_acpi_tables(unsigned long start)
acpi_oemb_t *oemb;
acpi_header_t *dsdt;
/* Align ACPI tables to 16byte */
start = (start + 0x0f) & -0x10;
current = start;
/* Align ACPI tables to 16byte */
ALIGN_CURRENT;
printk_info("ACPI: Writing ACPI tables at %lx.\n", start);
/* We need at least an RSDP and an RSDT Table */
@@ -222,7 +242,6 @@ unsigned long write_acpi_tables(unsigned long start)
/*
* We explicitly add these tables later on:
*/
#if 0
printk_debug("ACPI: * HPET\n");
hpet = (acpi_hpet_t *) current;
@@ -230,7 +249,7 @@ unsigned long write_acpi_tables(unsigned long start)
ALIGN_CURRENT;
acpi_create_intel_hpet(hpet);
acpi_add_table(rsdt, hpet);
#endif
/* If we want to use HPET Timers Linux wants an MADT */
printk_debug("ACPI: * MADT\n");
@@ -239,14 +258,13 @@ unsigned long write_acpi_tables(unsigned long start)
current += madt->header.length;
ALIGN_CURRENT;
acpi_add_table(rsdt, madt);
#if 0
printk_debug("ACPI: * MCFG\n");
mcfg = (acpi_mcfg_t *) current;
acpi_create_mcfg(mcfg);
current += mcfg->header.length;
ALIGN_CURRENT;
acpi_add_table(rsdt, mcfg);
#endif
printk_debug("ACPI: * OEMB\n");
oemb=(acpi_oemb_t *)current;
@@ -278,10 +296,10 @@ unsigned long write_acpi_tables(unsigned long start)
/* We patched up the DSDT, so we need to recalculate the checksum */
dsdt->checksum = 0;
dsdt->checksum = acpi_checksum(dsdt, dsdt->length);
dsdt->checksum = acpi_checksum((void *)dsdt, dsdt->length);
#endif
printk_debug("ACPI: * DSDT @ %08x Length %x\n", dsdt,
printk_debug("ACPI: * DSDT @ %p Length %x\n", dsdt,
dsdt->length);
printk_debug("ACPI: * FADT\n");
@@ -291,7 +309,7 @@ unsigned long write_acpi_tables(unsigned long start)
acpi_create_fadt(fadt, facs, dsdt);
acpi_add_table(rsdt, fadt);
printk_debug("current = %x\n", current);
printk_debug("current = %lx\n", current);
printk_debug("ACPI: * DMI (Linux workaround)\n");
memcpy((void *)0xfff80, dmi_table, DMI_TABLE_SIZE);