diff options
Diffstat (limited to 'src/mainboard/google')
-rw-r--r-- | src/mainboard/google/brya/variants/agah/variant.c | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/src/mainboard/google/brya/variants/agah/variant.c b/src/mainboard/google/brya/variants/agah/variant.c index 73fe75bc20..737cdd241b 100644 --- a/src/mainboard/google/brya/variants/agah/variant.c +++ b/src/mainboard/google/brya/variants/agah/variant.c @@ -137,64 +137,3 @@ void variant_init(void) dgpu_power_sequence_on(); } - -/* Save PCI BARs to the ACPI copy of the "saved PCI config space" */ -void variant_fill_ssdt(const struct device *unused) -{ - if (!gpu_powered_on) - return; - - const struct device *dgpu = DEV_PTR(dgpu); - acpigen_write_scope("\\_SB.PCI0.PEG0.PEGP"); - acpigen_write_method("_INI", 0); - { - /* Local0 = VGAR */ - acpigen_write_store(); - acpigen_emit_namestring("VGAR"); - acpigen_emit_byte(LOCAL0_OP); - - /* - * CreateDWordField(Local0, 11, BAR0) - * BAR0 = bases[0] - * CreateDWordField(Local0, 15, BAR1) - * BAR1 = bases[1] - * ... - */ - unsigned int idx, i = 0; - for (idx = PCI_BASE_ADDRESS_0; idx <= PCI_BASE_ADDRESS_5; idx += 4, ++i) { - char name[ACPI_NAME_BUFFER_SIZE]; - const struct resource *res; - - res = probe_resource(dgpu, idx); - if (!res || !(res->flags & IORESOURCE_STORED)) - continue; - - snprintf(name, sizeof(name), "BAR%1d", i); - acpigen_write_create_dword_field(LOCAL0_OP, idx - VGAR_BYTE_OFFSET, - name); - acpigen_write_store_int_to_namestr(res->base & 0xffffffff, name); - printk(BIOS_INFO, "GPU: saving %s as 0x%x\n", name, - (uint32_t)(res->base & 0xffffffff)); - - /* Also save the upper 32 bits of the BAR if applicable */ - if (!(res->flags & IORESOURCE_PCI64)) - continue; - - idx += sizeof(uint32_t); - i++; - snprintf(name, sizeof(name), "BAR%1d", i); - acpigen_write_create_dword_field(LOCAL0_OP, idx - VGAR_BYTE_OFFSET, - name); - acpigen_write_store_int_to_namestr((res->base >> 32) & 0xffffffff, - name); - printk(BIOS_INFO, "GPU: saving %s as 0x%x\n", name, - (uint32_t)((res->base >> 32) & 0xffffffff)); - } - - /* VGAR = Local0 */ - acpigen_write_store_op_to_namestr(LOCAL0_OP, "VGAR"); - } - - acpigen_write_method_end(); - acpigen_write_scope_end(); -} |