[S] Change in coreboot[master]: mb/amd/birman: Add support for 32M flash

[Bao Zheng (Code Review)]

Attention is currently required from: Jason Glenesk, Zheng Bao, Fred Reitberger, Felix Held.

Hello Zheng Bao,

I'd like you to do a code review.
Please visit

https://review.coreboot.org/c/coreboot/+/72963

to review the following change.

Change subject: mb/amd/birman: Add support for 32M flash
......................................................................

mb/amd/birman: Add support for 32M flash

The large part of AMDFW can be put to upper 16M.

Change-Id: Ic0306321f1452e4439a58e3bc5a197a614fce756
Signed-off-by: Zheng Bao 
---
M src/mainboard/amd/birman/Kconfig
A src/mainboard/amd/birman/board-32M.fmd
2 files changed, 28 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/63/72963/1

diff --git a/src/mainboard/amd/birman/Kconfig b/src/mainboard/amd/birman/Kconfig
index d669741..efff3f5 100644
--- a/src/mainboard/amd/birman/Kconfig
+++ b/src/mainboard/amd/birman/Kconfig
@@ -17,6 +17,7 @@

config FMDFILE
    default "src/mainboard/amd/birman/chromeos.fmd" if CHROMEOS
+	default "src/mainboard/amd/birman/board-32M.fmd" if BOARD_ROMSIZE_KB_32768
    default "src/mainboard/amd/birman/board.fmd"

config MAINBOARD_DIR
@@ -76,6 +77,10 @@
    # This is a birman-specific override of soc/amd/(phoenix | glinda)/Kconfig
    default "apu/amdfw apu/ecfw"

+config AMDFW_SPLIT
+	bool
+	default y if BOARD_ROMSIZE_KB_32768
+
 config CHROMEOS
    # Use default libpayload config
    select LP_DEFCONFIG_OVERRIDE if PAYLOAD_DEPTHCHARGE
diff --git a/src/mainboard/amd/birman/board-32M.fmd b/src/mainboard/amd/birman/board-32M.fmd
new file mode 100644
index 0000000..d810c9f
--- /dev/null
+++ b/src/mainboard/amd/birman/board-32M.fmd
@@ -0,0 +1,11 @@
+FLASH 32M {
+	BIOS_B 16M {
+		EC 1K
+		RW_MRC_CACHE 120K
+		FMAP 4K
+		COREBOOT(CBFS)
+	}
+	BIOS_T @16M 16M {
+		AMDFWBODY(CBFS) @2047K
+	}
+}
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