soc/amd/cezanne: Add root_complex

This is a copy/paste of picasso with a few things removed. With this
change we can jump into depthcharge.

Allocated resources:
   PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 0
   PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index 1
   PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 2
   PCI: 00:00.0 resource base 100000 size 1f00000 align 0 gran 0 limit 0 flags e0004200 index 3
   PCI: 00:00.0 resource base 2000000 size 1c0000 align 0 gran 0 limit 0 flags f0004200 index 4
   PCI: 00:00.0 resource base 21c0000 size cde40000 align 0 gran 0 limit 0 flags e0004200 index 5
   PCI: 00:00.0 resource base f8000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index c0010058
   PCI: 00:00.0 resource base 100000000 size 30e340000 align 0 gran 0 limit 0 flags e0004200 index 6
   PCI: 00:00.0 resource base 40e340000 size cc0000 align 0 gran 0 limit 0 flags f0004200 index 7
   PCI: 00:00.0 resource base 40f000000 size 1000000 align 0 gran 0 limit 0 flags f0004200 index 8
   PCI: 00:00.0 resource base 410000000 size 20000000 align 0 gran 0 limit 0 flags f0004200 index 9
   PCI: 00:00.0 resource base cfffe000 size 2000 align 0 gran 0 limit 0 flags f0004200 index a
   PCI: 00:00.0 resource base ceffe000 size 1000000 align 0 gran 0 limit 0 flags f0004200 index b

TEST=Boot majolica and see depthcharge finally loading:
Starting depthcharge on MAJOLICA...
new_rt5682_codec: chip = 0x1A
Looking for NVMe Controller 0x3004cac8 @ 00:01:07

Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: I52682ec2a06c7e219c221648f241e18e26a9358e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50339
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Raul E Rangel 2021-02-05 16:00:41 -07:00 committed by Felix Held
parent aecca7592b
commit cf6dc7d3a1
2 changed files with 144 additions and 0 deletions

View File

@ -31,6 +31,7 @@ ramstage-y += fsp_params.c
ramstage-y += gpio.c
ramstage-y += pcie_gpp.c
ramstage-y += reset.c
ramstage-y += root_complex.c
ramstage-y += uart.c
CPPFLAGS_common += -I$(src)/soc/amd/cezanne/include

View File

@ -0,0 +1,143 @@
/* SPDX-License-Identifier: GPL-2.0-only */
#include <amdblocks/memmap.h>
#include <cbmem.h>
#include <console/console.h>
#include <cpu/amd/msr.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <fsp/util.h>
#include <stdint.h>
/*
*
* +--------------------------------+
* | |
* | |
* | |
* | |
* | |
* | |
* | |
* reserved_dram_end +--------------------------------+
* | |
* | verstage (if reqd) |
* | (VERSTAGE_SIZE) |
* +--------------------------------+ VERSTAGE_ADDR
* | |
* | FSP-M |
* | (FSP_M_SIZE) |
* +--------------------------------+ FSP_M_ADDR
* | romstage |
* | (ROMSTAGE_SIZE) |
* +--------------------------------+ ROMSTAGE_ADDR = BOOTBLOCK_END
* | | X86_RESET_VECTOR = BOOTBLOCK_END - 0x10
* | bootblock |
* | (C_ENV_BOOTBLOCK_SIZE) |
* +--------------------------------+ BOOTBLOCK_ADDR = BOOTBLOCK_END - C_ENV_BOOTBLOCK_SIZE
* | Unused hole |
* | (86KiB) |
* +--------------------------------+
* | FMAP cache (FMAP_SIZE) |
* +--------------------------------+ PSP_SHAREDMEM_BASE + PSP_SHAREDMEM_SIZE + PRERAM_CBMEM_CONSOLE_SIZE + 0x200
* | Early Timestamp region (512B) |
* +--------------------------------+ PSP_SHAREDMEM_BASE + PSP_SHAREDMEM_SIZE + PRERAM_CBMEM_CONSOLE_SIZE
* | Preram CBMEM console |
* | (PRERAM_CBMEM_CONSOLE_SIZE) |
* +--------------------------------+ PSP_SHAREDMEM_BASE + PSP_SHAREDMEM_SIZE
* | PSP shared (vboot workbuf) |
* | (PSP_SHAREDMEM_SIZE) |
* +--------------------------------+ PSP_SHAREDMEM_BASE
* | APOB (64KiB) |
* +--------------------------------+ PSP_APOB_DRAM_ADDRESS
* | Early BSP stack |
* | (EARLYRAM_BSP_STACK_SIZE) |
* reserved_dram_start +--------------------------------+ EARLY_RESERVED_DRAM_BASE
* | DRAM |
* +--------------------------------+ 0x100000
* | Option ROM |
* +--------------------------------+ 0xc0000
* | Legacy VGA |
* +--------------------------------+ 0xa0000
* | DRAM |
* +--------------------------------+ 0x0
*/
static void read_resources(struct device *dev)
{
uint32_t mem_usable = (uintptr_t)cbmem_top();
unsigned int idx = 0;
const struct hob_header *hob = fsp_get_hob_list();
const struct hob_resource *res;
uintptr_t early_reserved_dram_start, early_reserved_dram_end;
const struct memmap_early_dram *e = memmap_get_early_dram_usage();
early_reserved_dram_start = e->base;
early_reserved_dram_end = e->base + e->size;
/* 0x0 - 0x9ffff */
ram_resource(dev, idx++, 0, 0xa0000 / KiB);
/* 0xa0000 - 0xbffff: legacy VGA */
mmio_resource(dev, idx++, 0xa0000 / KiB, 0x20000 / KiB);
/* 0xc0000 - 0xfffff: Option ROM */
reserved_ram_resource(dev, idx++, 0xc0000 / KiB, 0x40000 / KiB);
/* 1MiB - bottom of DRAM reserved for early coreboot usage */
ram_resource(dev, idx++, (1 * MiB) / KiB,
(early_reserved_dram_start - (1 * MiB)) / KiB);
/* DRAM reserved for early coreboot usage */
reserved_ram_resource(dev, idx++, early_reserved_dram_start / KiB,
(early_reserved_dram_end - early_reserved_dram_start) / KiB);
/*
* top of DRAM consumed early - low top usable RAM
* cbmem_top() accounts for low UMA and TSEG if they are used.
*/
ram_resource(dev, idx++, early_reserved_dram_end / KiB,
(mem_usable - early_reserved_dram_end) / KiB);
mmconf_resource(dev, MMIO_CONF_BASE);
if (!hob) {
printk(BIOS_ERR, "Error: %s incomplete because no HOB list was found\n",
__func__);
return;
}
for (; hob->type != HOB_TYPE_END_OF_HOB_LIST; hob = fsp_next_hob(hob)) {
if (hob->type != HOB_TYPE_RESOURCE_DESCRIPTOR)
continue;
res = fsp_hob_header_to_resource(hob);
if (res->type == EFI_RESOURCE_SYSTEM_MEMORY && res->addr < mem_usable)
continue; /* 0 through low usable was set above */
if (res->type == EFI_RESOURCE_MEMORY_MAPPED_IO)
continue; /* Done separately */
if (res->type == EFI_RESOURCE_SYSTEM_MEMORY)
ram_resource(dev, idx++, res->addr / KiB, res->length / KiB);
else if (res->type == EFI_RESOURCE_MEMORY_RESERVED)
reserved_ram_resource(dev, idx++, res->addr / KiB, res->length / KiB);
else
printk(BIOS_ERR, "Error: failed to set resources for type %d\n",
res->type);
}
}
static struct device_operations root_complex_operations = {
.read_resources = read_resources,
.set_resources = noop_set_resources,
.enable_resources = pci_dev_enable_resources,
};
static const struct pci_driver family17_root_complex __pci_driver = {
.ops = &root_complex_operations,
.vendor = PCI_VENDOR_ID_AMD,
.device = PCI_DEVICE_ID_AMD_17H_MODEL_606F_NB,
};