1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2019 Google LLC
* Written by Simon Glass <sjg@chromium.org>
*/
#include <common.h>
#include <dm.h>
#include <log.h>
#include <asm/arch/iomap.h>
#include <asm/arch/fsp_bindings.h>
#include <asm/fsp2/fsp_internal.h>
#include <dm/uclass-internal.h>
int fspm_update_config(struct udevice *dev, struct fspm_upd *upd)
{
struct fsp_m_config *cfg = &upd->config;
struct fspm_arch_upd *arch = &upd->arch;
int cache_ret = 0;
ofnode node;
int ret;
arch->nvs_buffer_ptr = NULL;
cache_ret = prepare_mrc_cache(upd);
if (cache_ret && cache_ret != -ENOENT)
return log_msg_ret("mrc", cache_ret);
arch->stack_base = (void *)(CONFIG_SYS_CAR_ADDR + CONFIG_SYS_CAR_SIZE -
arch->stack_size);
arch->boot_loader_tolum_size = 0;
arch->boot_mode = cache_ret ? FSP_BOOT_WITH_FULL_CONFIGURATION :
FSP_BOOT_ASSUMING_NO_CONFIGURATION_CHANGES;
node = dev_ofnode(dev);
if (!ofnode_valid(node))
return log_msg_ret("node", -ENOENT);
node = ofnode_find_subnode(node, "fsp-m");
if (!ofnode_valid(node))
return log_msg_ret("fspm", -ENOENT);
ret = fsp_m_update_config_from_dtb(node, cfg);
if (ret)
return log_msg_ret("dtb", cache_ret);
return cache_ret;
}
/*
* The FSP-M binary appears to break the SPI controller. It can be fixed by
* writing the BAR again, so do that here
*/
int fspm_done(struct udevice *dev)
{
struct udevice *spi;
int ret;
/* Don't probe the device, since that reads the BAR */
ret = uclass_find_first_device(UCLASS_SPI, &spi);
if (ret)
return log_msg_ret("SPI", ret);
if (!spi)
return log_msg_ret("no SPI", -ENODEV);
dm_pci_write_config32(spi, PCI_BASE_ADDRESS_0,
IOMAP_SPI_BASE | PCI_BASE_ADDRESS_SPACE_MEMORY);
return 0;
}
|