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soc/intel/xeon_sp/cpx: add IIO stack resources to DSDT 

Signed-off-by: Jonathan Zhang <jonzhang@fb.com>
Signed-off-by: Reddy Chagam <anjaneya.chagam@intel.com>
Change-Id: Iec89551a8b88a683db5857e3a6ab4af5e446cb5b
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42058
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
This commit is contained in:
Jonathan Zhang 2020-06-03 15:18:41 -07:00 committed by Patrick Georgi
parent 3172f987fa
commit 110d1a98e1
1 changed files with 69 additions and 0 deletions
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69
src/soc/intel/xeon_sp/cpx/acpi.c
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@ -37,6 +37,72 @@ unsigned long acpi_fill_mcfg(unsigned long current)
return current;
}
static void uncore_inject_dsdt(void)
{
struct iiostack_resource stack_info = {0};
get_iiostack_info(&stack_info);
acpigen_write_scope("\\_SB");
for (uint8_t stack = 0; stack < stack_info.no_of_stacks; ++stack) {
const STACK_RES *ri = &stack_info.res[stack];
char rtname[16];
snprintf(rtname, sizeof(rtname), "RT%02x", stack);
acpigen_write_name(rtname);
printk(BIOS_DEBUG, "\tCreating ResourceTemplate %s for stack: %d\n",
rtname, stack);
acpigen_write_resourcetemplate_header();
/* bus resource */
acpigen_resource_word(2, 0xc, 0, 0, ri->BusBase, ri->BusLimit,
0x0, (ri->BusLimit - ri->BusBase + 1));
/* additional io resources on socket 0 bus 0 */
if (stack == 0) {
/* ACPI 6.4.2.5 I/O Port Descriptor */
acpigen_write_io16(0xCF8, 0xCFF, 0x1, 0x8, 1);
/* IO decode CF8-CFF */
acpigen_resource_word(1, 0xc, 0x3, 0, 0x0000, 0x03AF, 0, 0x03B0);
acpigen_resource_word(1, 0xc, 0x3, 0, 0x03E0, 0x0CF7, 0, 0x0918);
acpigen_resource_word(1, 0xc, 0x3, 0, 0x03B0, 0x03BB, 0, 0x000C);
acpigen_resource_word(1, 0xc, 0x3, 0, 0x03C0, 0x03DF, 0, 0x0020);
}
/* IO resource */
acpigen_resource_word(1, 0xc, 0x3, 0, ri->PciResourceIoBase,
ri->PciResourceIoLimit, 0x0,
(ri->PciResourceIoLimit - ri->PciResourceIoBase + 1));
/* additional mem32 resources on socket 0 bus 0 */
if (stack == 0) {
acpigen_resource_dword(0, 0xc, 3, 0, VGA_BASE_ADDRESS,
(VGA_BASE_ADDRESS + VGA_BASE_SIZE - 1), 0x0,
VGA_BASE_SIZE);
acpigen_resource_dword(0, 0xc, 1, 0, SPI_BASE_ADDRESS,
(SPI_BASE_ADDRESS + SPI_BASE_SIZE - 1), 0x0,
SPI_BASE_SIZE);
}
/* Mem32 resource */
acpigen_resource_dword(0, 0xc, 1, 0, ri->PciResourceMem32Base,
ri->PciResourceMem32Limit, 0x0,
(ri->PciResourceMem32Limit - ri->PciResourceMem32Base + 1));
/* Mem64 resource */
acpigen_resource_qword(0, 0xc, 1, 0, ri->PciResourceMem64Base,
ri->PciResourceMem64Limit, 0x0,
(ri->PciResourceMem64Limit - ri->PciResourceMem64Base + 1));
acpigen_write_resourcetemplate_footer();
}
acpigen_pop_len();
}
void southbridge_inject_dsdt(const struct device *device)
{
global_nvs_t *gnvs;
@ -59,6 +125,9 @@ void southbridge_inject_dsdt(const struct device *device)
acpigen_write_name_dword("NVSA", (uint32_t)gnvs);
acpigen_pop_len();
}
/* Add IIOStack ACPI Resource Templates */
uncore_inject_dsdt();
}
void acpi_create_gnvs(struct global_nvs_t *gnvs)