diff options
| author | Simon Glass | 2019-12-06 21:42:04 -0700 |
|---|---|---|
| committer | Bin Meng | 2019-12-15 11:44:13 +0800 |
| commit | 506f22497743f943dd0e3f9247451e2c192a5760 (patch) | |
| tree | a4ab746b9c10595dd352fb6aaddcfb1b3539677b /arch/x86/lib | |
| parent | 87f1084a630e6dbd5ba9a9747ce185d98ed40658 (diff) | |
x86: Adjust mrccache_get_region() to support get_mmap()
It is now possible to obtain the memory map for a SPI controllers instead
of having it hard-coded in the device tree. Update the code to support
this.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'arch/x86/lib')
| -rw-r--r-- | arch/x86/lib/mrccache.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/arch/x86/lib/mrccache.c b/arch/x86/lib/mrccache.c index 50c72bf962f..7136166be60 100644 --- a/arch/x86/lib/mrccache.c +++ b/arch/x86/lib/mrccache.c @@ -210,6 +210,9 @@ int mrccache_get_region(struct udevice **devp, struct mrc_region *entry) { struct udevice *dev; ofnode mrc_node; + ulong map_base; + uint map_size; + uint offset; u32 reg[2]; int ret; @@ -221,10 +224,15 @@ int mrccache_get_region(struct udevice **devp, struct mrc_region *entry) ret = uclass_find_first_device(UCLASS_SPI_FLASH, &dev); if (ret) return log_msg_ret("Cannot find SPI flash\n", ret); - ret = dev_read_u32_array(dev, "memory-map", reg, 2); - if (ret) - return log_msg_ret("Cannot find memory map\n", ret); - entry->base = reg[0]; + ret = dm_spi_get_mmap(dev, &map_base, &map_size, &offset); + if (!ret) { + entry->base = map_base; + } else { + ret = dev_read_u32_array(dev, "memory-map", reg, 2); + if (ret) + return log_msg_ret("Cannot find memory map\n", ret); + entry->base = reg[0]; + } /* Find the place where we put the MRC cache */ mrc_node = dev_read_subnode(dev, "rw-mrc-cache"); @@ -239,6 +247,8 @@ int mrccache_get_region(struct udevice **devp, struct mrc_region *entry) if (devp) *devp = dev; + debug("MRC cache in '%s', offset %x, len %x, base %x\n", + dev->name, entry->offset, entry->length, entry->base); return 0; } |