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authorYidi Lin <yidi.lin@mediatek.com>2020-11-11 10:44:15 +0800
committerPatrick Georgi <pgeorgi@google.com>2020-11-16 11:04:11 +0000
commit7de8df467aca97208f8cd5ff4e520d18f088378e (patch)
tree826ea91465f376fca577b8fe250b585400951623 /src/soc/mediatek
parent93538c99691b962fc69082b1d26e57911f76dc9c (diff)
soc/mediatek/mt8192: Reserve 44K SRAM for MCUPM working buffer
Reduce PRERAM_CBMEM_CONSOLE buffer from 63K to 19K and reserve 0x00115000 ~ 0x0011ffff for MCUPM. Signed-off-by: CK Hu <ck.hu@mediatek.com> Signed-off-by: Yidi Lin <yidi.lin@mediatek.com> Change-Id: Ic82a194736eecd7bdc8df80b493290090a2ccba5 Reviewed-on: https://review.coreboot.org/c/coreboot/+/46401 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Diffstat (limited to 'src/soc/mediatek')
-rw-r--r--src/soc/mediatek/mt8192/include/soc/memlayout.ld15
1 files changed, 10 insertions, 5 deletions
diff --git a/src/soc/mediatek/mt8192/include/soc/memlayout.ld b/src/soc/mediatek/mt8192/include/soc/memlayout.ld
index df9d376f27..57b258c32c 100644
--- a/src/soc/mediatek/mt8192/include/soc/memlayout.ld
+++ b/src/soc/mediatek/mt8192/include/soc/memlayout.ld
@@ -21,11 +21,16 @@ SECTIONS
TPM_TCPA_LOG(0x00103000, 2K)
FMAP_CACHE(0x00103800, 2K)
WATCHDOG_TOMBSTONE(0x00104000, 4)
- PRERAM_CBMEM_CONSOLE(0x00104004, 63K - 4)
- TIMESTAMP(0x00113c00, 1K)
- STACK(0x00114000, 16K)
- TTB(0x00118000, 28K)
- DMA_COHERENT(0x0011f000, 4K)
+ PRERAM_CBMEM_CONSOLE(0x00104004, 19K - 4)
+ TIMESTAMP(0x00108c00, 1K)
+ STACK(0x00109000, 16K)
+ TTB(0x0010d000, 28K)
+ DMA_COHERENT(0x00114000, 4K)
+ /*
+ * MCUPM exchanges data with kernel driver using SRAM 0x00115000 ~ 0x0011ffff.
+ * The address is hardcoded in MCUPM image and is unlikely to change.
+ */
+ REGION(mcufw_reserved, 0x00115000, 44K, 4K)
SRAM_END(0x00120000)
SRAM_L2C_START(0x00200000)