diff options
Diffstat (limited to 'src/mainboard/iwave/iWRainbowG6/acpi_tables.c')
| -rw-r--r-- | src/mainboard/iwave/iWRainbowG6/acpi_tables.c | 58 |
1 files changed, 32 insertions, 26 deletions
diff --git a/src/mainboard/iwave/iWRainbowG6/acpi_tables.c b/src/mainboard/iwave/iWRainbowG6/acpi_tables.c index 37b0a0b3a7..92874bc76d 100644 --- a/src/mainboard/iwave/iWRainbowG6/acpi_tables.c +++ b/src/mainboard/iwave/iWRainbowG6/acpi_tables.c @@ -35,18 +35,19 @@ extern const unsigned char AmlCode[]; unsigned long acpi_create_slic(unsigned long current); #endif -#include "southbridge/intel/i82801gx/nvs.h" // FIXME: our own copy of nvs would be nice -static void acpi_create_gnvs(global_nvs_t *gnvs) +#include "southbridge/intel/i82801gx/nvs.h" // FIXME: our own copy of nvs would be nice + +static void acpi_create_gnvs(global_nvs_t * gnvs) { memset((void *)gnvs, 0, sizeof(*gnvs)); gnvs->apic = 1; - gnvs->mpen = 1; /* Enable Multi Processing */ + gnvs->mpen = 1; /* Enable Multi Processing. */ - /* Enable both COM ports */ + /* Enable both COM ports. */ gnvs->cmap = 0x01; gnvs->cmbp = 0x01; - /* IGD Displays */ + /* IGD Displays. */ gnvs->ndid = 3; gnvs->did[0] = 0x80000100; gnvs->did[1] = 0x80000240; @@ -55,15 +56,15 @@ static void acpi_create_gnvs(global_nvs_t *gnvs) gnvs->did[4] = 0x00000005; } -static void acpi_create_intel_hpet(acpi_hpet_t * hpet) +static void acpi_create_intel_hpet(acpi_hpet_t *hpet) { #define HPET_ADDR 0xfed00000ULL acpi_header_t *header = &(hpet->header); acpi_addr_t *addr = &(hpet->addr); - memset((void *) hpet, 0, sizeof(acpi_hpet_t)); + memset((void *)hpet, 0, sizeof(acpi_hpet_t)); - /* fill out header fields */ + /* Fill out header fields. */ memcpy(header->signature, "HPET", 4); memcpy(header->oem_id, OEM_ID, 6); memcpy(header->oem_table_id, "COREBOOT", 8); @@ -72,7 +73,7 @@ static void acpi_create_intel_hpet(acpi_hpet_t * hpet) header->length = sizeof(acpi_hpet_t); header->revision = 1; - /* fill out HPET address */ + /* Fill out HPET address. */ addr->space_id = 0; /* Memory */ addr->bit_width = 64; addr->bit_offset = 0; @@ -83,8 +84,7 @@ static void acpi_create_intel_hpet(acpi_hpet_t * hpet) hpet->number = 0x00; hpet->min_tick = 0x0080; - header->checksum = - acpi_checksum((void *) hpet, sizeof(acpi_hpet_t)); + header->checksum = acpi_checksum((void *)hpet, sizeof(acpi_hpet_t)); } unsigned long acpi_fill_madt(unsigned long current) @@ -94,26 +94,29 @@ unsigned long acpi_fill_madt(unsigned long current) /* IOAPIC */ current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, - 2, IO_APIC_ADDR, 0); + 2, IO_APIC_ADDR, 0); /* INT_SRC_OVR */ current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *) - current, 0, 0, 2, 0); + current, 0, 0, 2, 0); current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *) - current, 0, 9, 9, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_HIGH); + current, 0, 9, 9, + MP_IRQ_TRIGGER_LEVEL | + MP_IRQ_POLARITY_HIGH); return current; } -unsigned long acpi_fill_ssdt_generator(unsigned long current, const char *oem_table_id) +unsigned long acpi_fill_ssdt_generator(unsigned long current, + const char *oem_table_id) { generate_cpu_entries(); - return (unsigned long) (acpigen_get_current()); + return (unsigned long)(acpigen_get_current()); } unsigned long acpi_fill_slit(unsigned long current) { - // Not implemented + /* Not implemented. */ return current; } @@ -130,6 +133,7 @@ unsigned long write_acpi_tables(unsigned long start) { unsigned long current; int i; + acpi_rsdp_t *rsdp; acpi_rsdt_t *rsdt; acpi_xsdt_t *xsdt; @@ -163,7 +167,7 @@ unsigned long write_acpi_tables(unsigned long start) ALIGN_CURRENT; /* clear all table memory */ - memset((void *) start, 0, current - start); + memset((void *)start, 0, current - start); acpi_write_rsdp(rsdp, rsdt, xsdt); acpi_write_rsdt(rsdt); @@ -210,16 +214,18 @@ unsigned long write_acpi_tables(unsigned long start) ALIGN_CURRENT; /* Pack GNVS into the ACPI table area */ - for (i=0; i < dsdt->length; i++) { - if (*(u32*)(((u32)dsdt) + i) == 0xC0DEBABE) { - printk(BIOS_DEBUG, "ACPI: Patching up global NVS in DSDT at offset 0x%04x -> 0x%08lx\n", i, current); - *(u32*)(((u32)dsdt) + i) = current; // 0x92 bytes + for (i = 0; i < dsdt->length; i++) { + if (*(u32 *) (((u32) dsdt) + i) == 0xC0DEBABE) { + printk(BIOS_DEBUG, "ACPI: Patching up global NVS in " + "DSDT at offset 0x%04x -> 0x%08lx\n", + i, current); + *(u32 *) (((u32) dsdt) + i) = current; // 0x92 bytes break; } } /* And fill it */ - acpi_create_gnvs((global_nvs_t *)current); + acpi_create_gnvs((global_nvs_t *) current); current += 0x100; ALIGN_CURRENT; @@ -232,11 +238,11 @@ unsigned long write_acpi_tables(unsigned long start) dsdt->checksum = acpi_checksum((void *)dsdt, dsdt->length); printk(BIOS_DEBUG, "ACPI: * DSDT @ %p Length %x\n", dsdt, - dsdt->length); + dsdt->length); #if CONFIG_HAVE_ACPI_SLIC printk(BIOS_DEBUG, "ACPI: * SLIC\n"); - slic = (acpi_header_t *)current; + slic = (acpi_header_t *) current; current += acpi_create_slic(current); ALIGN_CURRENT; acpi_add_table(rsdp, slic); @@ -251,7 +257,7 @@ unsigned long write_acpi_tables(unsigned long start) acpi_add_table(rsdp, fadt); printk(BIOS_DEBUG, "ACPI: * SSDT\n"); - ssdt = (acpi_header_t *)current; + ssdt = (acpi_header_t *) current; acpi_create_ssdt_generator(ssdt, "COREBOOT"); current += ssdt->length; acpi_add_table(rsdp, ssdt); |