Vladimir Serbinenko (phcoder@gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/7036
-gerrit
commit 7218c4ca67f733561ff10dc323dc9ea3dcbf9d7c Author: Vladimir Serbinenko phcoder@gmail.com Date: Wed Oct 8 22:38:54 2014 +0200
amdfam12: Switch to per-device ACPI
Change-Id: I944e35b04612eca8add80c9f546df99a9a930ac8 Signed-off-by: Vladimir Serbinenko phcoder@gmail.com --- src/mainboard/amd/torpedo/acpi_tables.c | 177 ----------------------- src/northbridge/amd/agesa/family12/Kconfig | 1 + src/northbridge/amd/agesa/family12/northbridge.c | 122 ++++++++++++++++ src/southbridge/amd/cimx/sb900/late.c | 9 ++ 4 files changed, 132 insertions(+), 177 deletions(-)
diff --git a/src/mainboard/amd/torpedo/acpi_tables.c b/src/mainboard/amd/torpedo/acpi_tables.c index b916bce..5068d56 100644 --- a/src/mainboard/amd/torpedo/acpi_tables.c +++ b/src/mainboard/amd/torpedo/acpi_tables.c @@ -31,16 +31,6 @@
extern u32 apicid_sb900;
-extern const unsigned char AmlCode[]; -extern const unsigned char AmlCode_ssdt[]; - - -unsigned long acpi_fill_mcfg(unsigned long current) -{ - /* Just a dummy */ - return current; -} - unsigned long acpi_fill_madt(unsigned long current) {
@@ -73,170 +63,3 @@ unsigned long acpi_fill_madt(unsigned long current)
return current; } - -unsigned long acpi_fill_hest(acpi_hest_t *hest) -{ - void *addr, *current; - - /* Skip the HEST header. */ - current = (void *)(hest + 1); - - addr = agesawrapper_getlateinitptr(PICK_WHEA_MCE); - if (addr != NULL) - current += acpi_create_hest_error_source(hest, current, 0, (void *)((u32)addr + 2), *(UINT16 *)addr - 2); - - addr = agesawrapper_getlateinitptr(PICK_WHEA_CMC); - if (addr != NULL) - current += acpi_create_hest_error_source(hest, current, 1, (void *)((u32)addr + 2), *(UINT16 *)addr - 2); - - return (unsigned long)current; -} - -unsigned long acpi_fill_slit(unsigned long current) -{ - // Not implemented - return current; -} - -unsigned long acpi_fill_srat(unsigned long current) -{ - /* No NUMA, no SRAT */ - return current; -} - -unsigned long write_acpi_tables(unsigned long start) -{ - unsigned long current; - acpi_rsdp_t *rsdp; - acpi_rsdt_t *rsdt; -#if 0 // Don't need HPET table. - acpi_hpet_t *hpet; -#endif - acpi_madt_t *madt; - acpi_srat_t *srat; - acpi_slit_t *slit; - acpi_fadt_t *fadt; - acpi_facs_t *facs; - acpi_header_t *dsdt; - acpi_header_t *ssdt; - acpi_hest_t *hest; - - /* Align ACPI tables to 16 bytes */ - start = ALIGN(start, 16); - current = start; - - printk(BIOS_INFO, "ACPI: Writing ACPI tables at %lx...\n", start); - - /* We need at least an RSDP and an RSDT Table */ - rsdp = (acpi_rsdp_t *) current; - current += sizeof(acpi_rsdp_t); - rsdt = (acpi_rsdt_t *) current; - current += sizeof(acpi_rsdt_t); - - /* clear all table memory */ - memset((void *)start, 0, current - start); - - acpi_write_rsdp(rsdp, rsdt, NULL); - acpi_write_rsdt(rsdt); - - /* - * We explicitly add these tables later on: - */ -#if 0 // Don't need HPET table. - current = (current + 0x07) & -0x08; - printk(BIOS_DEBUG, "ACPI: * HPET at %lx\n", current); - hpet = (acpi_hpet_t *) current; - current += sizeof(acpi_hpet_t); - acpi_create_hpet(hpet); - acpi_add_table(rsdp, hpet); -#endif - - /* If we want to use HPET Timers Linux wants an MADT */ - current = ALIGN(current, 8); - printk(BIOS_DEBUG, "ACPI: * MADT at %lx\n",current); - madt = (acpi_madt_t *) current; - acpi_create_madt(madt); - current += madt->header.length; - acpi_add_table(rsdp, madt); - - /* HEST */ - current = ALIGN(current, 8); - hest = (acpi_hest_t *)current; - acpi_write_hest((void *)current); - acpi_add_table(rsdp, (void *)current); - current += ((acpi_header_t *)current)->length; - - /* SRAT */ - current = ALIGN(current, 8); - printk(BIOS_DEBUG, "ACPI: * SRAT at %lx\n", current); - srat = (acpi_srat_t *) agesawrapper_getlateinitptr (PICK_SRAT); - if (srat != NULL) { - memcpy((void *)current, srat, srat->header.length); - srat = (acpi_srat_t *) current; - //acpi_create_srat(srat); - current += srat->header.length; - acpi_add_table(rsdp, srat); - } - - /* SLIT */ - current = ALIGN(current, 8); - printk(BIOS_DEBUG, "ACPI: * SLIT at %lx\n", current); - slit = (acpi_slit_t *) agesawrapper_getlateinitptr (PICK_SLIT); - if (slit != NULL) { - memcpy((void *)current, slit, slit->header.length); - slit = (acpi_slit_t *) current; - //acpi_create_slit(slit); - current += slit->header.length; - acpi_add_table(rsdp, slit); - } - - /* SSDT */ - current = ALIGN(current, 16); - printk(BIOS_DEBUG, "ACPI: * SSDT at %lx\n", current); - ssdt = (acpi_header_t *)agesawrapper_getlateinitptr (PICK_PSTATE); - if (ssdt != NULL) { - memcpy((void *)current, ssdt, ssdt->length); - ssdt = (acpi_header_t *) current; - current += ssdt->length; - } - else { - ssdt = (acpi_header_t *) current; - memcpy(ssdt, &AmlCode_ssdt, sizeof(acpi_header_t)); - current += ssdt->length; - memcpy(ssdt, &AmlCode_ssdt, ssdt->length); - /* recalculate checksum */ - ssdt->checksum = 0; - ssdt->checksum = acpi_checksum((unsigned char *)ssdt,ssdt->length); - } - acpi_add_table(rsdp,ssdt); - - printk(BIOS_DEBUG, "ACPI: * SSDT for PState at %lx\n", current); - - /* DSDT */ - current = ALIGN(current, 8); - printk(BIOS_DEBUG, "ACPI: * DSDT at %lx\n", current); - dsdt = (acpi_header_t *)current; // it will used by fadt - memcpy(dsdt, &AmlCode, sizeof(acpi_header_t)); - current += dsdt->length; - memcpy(dsdt, &AmlCode, dsdt->length); - printk(BIOS_DEBUG, "ACPI: * DSDT @ %p Length %x\n",dsdt,dsdt->length); - - /* FACS */ // it needs 64 bit alignment - current = ALIGN(current, 8); - printk(BIOS_DEBUG, "ACPI: * FACS at %lx\n", current); - facs = (acpi_facs_t *) current; // it will be used by fadt - current += sizeof(acpi_facs_t); - acpi_create_facs(facs); - - /* FADT */ - current = ALIGN(current, 8); - printk(BIOS_DEBUG, "ACPI: * FADT at %lx\n", current); - fadt = (acpi_fadt_t *) current; - current += sizeof(acpi_fadt_t); - - acpi_create_fadt(fadt, facs, dsdt); - acpi_add_table(rsdp, fadt); - - printk(BIOS_INFO, "ACPI: done.\n"); - return current; -} diff --git a/src/northbridge/amd/agesa/family12/Kconfig b/src/northbridge/amd/agesa/family12/Kconfig index e483fe5..16be288 100644 --- a/src/northbridge/amd/agesa/family12/Kconfig +++ b/src/northbridge/amd/agesa/family12/Kconfig @@ -22,6 +22,7 @@ config NORTHBRIDGE_AMD_AGESA_FAMILY12 select HAVE_DEBUG_SMBUS select HYPERTRANSPORT_PLUGIN_SUPPORT select MMCONF_SUPPORT + select PER_DEVICE_ACPI_TABLES
if NORTHBRIDGE_AMD_AGESA_FAMILY12
diff --git a/src/northbridge/amd/agesa/family12/northbridge.c b/src/northbridge/amd/agesa/family12/northbridge.c index 94de010..9d88624 100644 --- a/src/northbridge/amd/agesa/family12/northbridge.c +++ b/src/northbridge/amd/agesa/family12/northbridge.c @@ -37,6 +37,8 @@ #include "sb_cimx.h" #include "agesawrapper.h" #include <northbridge/amd/agesa/agesawrapper_call.h> +#include <arch/acpi.h> +#include <arch/acpigen.h>
//#define FX_DEVS NODE_NUMS #define FX_DEVS 1 @@ -819,9 +821,129 @@ static void cpu_bus_init(device_t dev)
/* North Bridge Structures */
+ +unsigned long acpi_fill_hest(acpi_hest_t *hest) +{ + void *addr, *current; + + /* Skip the HEST header. */ + current = (void *)(hest + 1); + + addr = agesawrapper_getlateinitptr(PICK_WHEA_MCE); + if (addr != NULL) + current += acpi_create_hest_error_source(hest, current, 0, (void *)((u32)addr + 2), *(UINT16 *)addr - 2); + + addr = agesawrapper_getlateinitptr(PICK_WHEA_CMC); + if (addr != NULL) + current += acpi_create_hest_error_source(hest, current, 1, (void *)((u32)addr + 2), *(UINT16 *)addr - 2); + + return (unsigned long)current; +} + +/* Implemented with AGESA-specific code. Dummy to keep linker happy. */ +unsigned long acpi_fill_slit(unsigned long current) +{ + return current; +} + +/* Implemented with AGESA-specific code. Dummy to keep linker happy. */ +unsigned long acpi_fill_srat(unsigned long current) +{ + return current; +} + +static void northbridge_fill_ssdt_generator(void) +{ + int lens; + msr_t msr; + char pscope[] = "\_SB.PCI0"; + + lens = acpigen_write_scope(pscope); + msr = rdmsr(TOP_MEM); + lens += acpigen_write_name_dword("TOM1", msr.lo); + msr = rdmsr(TOP_MEM2); + /* + * Since XP only implements parts of ACPI 2.0, we can't use a qword + * here. + * See http://www.acpi.info/presentations/S01USMOBS169_OS%2520new.ppt + * slide 22ff. + * Shift value right by 20 bit to make it fit into 32bit, + * giving us 1MB granularity and a limit of almost 4Exabyte of memory. + */ + lens += acpigen_write_name_dword("TOM2", (msr.hi << 12) | msr.lo >> 20); + acpigen_patch_len(lens - 1); +} + +static unsigned long agesa_write_acpi_tables(unsigned long current, + acpi_rsdp_t *rsdp) +{ + acpi_srat_t *srat; + acpi_slit_t *slit; + acpi_header_t *ssdt; + acpi_hest_t *hest; + + /* HEST */ + current = ALIGN(current, 8); + hest = (acpi_hest_t *)current; + acpi_write_hest((void *)current); + acpi_add_table(rsdp, (void *)current); + current += ((acpi_header_t *)current)->length; + + /* SRAT */ + current = ALIGN(current, 8); + printk(BIOS_DEBUG, "ACPI: * SRAT at %lx\n", current); + srat = (acpi_srat_t *) agesawrapper_getlateinitptr (PICK_SRAT); + if (srat != NULL) { + memcpy((void *)current, srat, srat->header.length); + srat = (acpi_srat_t *) current; + //acpi_create_srat(srat); + current += srat->header.length; + acpi_add_table(rsdp, srat); + } + + /* SLIT */ + current = ALIGN(current, 8); + printk(BIOS_DEBUG, "ACPI: * SLIT at %lx\n", current); + slit = (acpi_slit_t *) agesawrapper_getlateinitptr (PICK_SLIT); + if (slit != NULL) { + memcpy((void *)current, slit, slit->header.length); + slit = (acpi_slit_t *) current; + //acpi_create_slit(slit); + current += slit->header.length; + acpi_add_table(rsdp, slit); + } + + /* SSDT */ + current = ALIGN(current, 16); + printk(BIOS_DEBUG, "ACPI: * SSDT at %lx\n", current); + ssdt = (acpi_header_t *)agesawrapper_getlateinitptr (PICK_PSTATE); + if (ssdt != NULL) { + memcpy((void *)current, ssdt, ssdt->length); + ssdt = (acpi_header_t *) current; + current += ssdt->length; + } + else { + ssdt = (acpi_header_t *) current; + memcpy(ssdt, &AmlCode_ssdt, sizeof(acpi_header_t)); + current += ssdt->length; + memcpy(ssdt, &AmlCode_ssdt, ssdt->length); + /* recalculate checksum */ + ssdt->checksum = 0; + ssdt->checksum = acpi_checksum((unsigned char *)ssdt,ssdt->length); + } + acpi_add_table(rsdp,ssdt); + + printk(BIOS_DEBUG, "ACPI: * SSDT for PState at %lx\n", current); + + return current; +} + + static struct device_operations northbridge_operations = { .read_resources = read_resources, .set_resources = set_resources, + .acpi_fill_ssdt_generator = northbridge_fill_ssdt_generator, + .write_acpi_tables = agesa_write_acpi_tables, .enable_resources = pci_dev_enable_resources, .init = northbridge_init, .enable = 0, diff --git a/src/southbridge/amd/cimx/sb900/late.c b/src/southbridge/amd/cimx/sb900/late.c index 7303bdc..c52c5cc 100644 --- a/src/southbridge/amd/cimx/sb900/late.c +++ b/src/southbridge/amd/cimx/sb900/late.c @@ -117,11 +117,20 @@ static void lpc_init(device_t dev) printk(BIOS_DEBUG, "SB900 - Late.c - lpc_init - End.\n"); }
+unsigned long acpi_fill_mcfg(unsigned long current) +{ + /* Just a dummy */ + return current; +} + static struct device_operations lpc_ops = { .read_resources = lpc_read_resources, .set_resources = lpc_set_resources, .enable_resources = lpc_enable_resources, .init = lpc_init, +#if IS_ENABLED(CONFIG_GENERATE_ACPI_TABLES) && IS_ENABLED(CONFIG_PER_DEVICE_ACPI_TABLES) + .write_acpi_tables = acpi_write_hpet, +#endif .scan_bus = scan_static_bus, .ops_pci = &lops_pci, };