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 ---
Changes in v5: None Changes in v4: None Changes in v3: None Changes in v2: - Use SPI mmap() instead of SPI flash
arch/x86/lib/mrccache.c | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-)
diff --git a/arch/x86/lib/mrccache.c b/arch/x86/lib/mrccache.c index 50c72bf962..7136166be6 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; }