diff --git a/src/arch/x86/Kconfig b/src/arch/x86/Kconfig
index b5e52e6..95c87da 100644
--- a/src/arch/x86/Kconfig
+++ b/src/arch/x86/Kconfig
@@ -144,6 +144,13 @@
 	help
 	  Increase this value if preram cbmem console is getting truncated
 
+config CBFS_MCACHE_SIZE
+	hex
+	depends on !NO_CBFS_MCACHE
+	default 0x2000
+	help
+	  Increase this value if you see CBFS mcache overflow warnings.
+
 config PC80_SYSTEM
 	bool
 	default y if ARCH_X86
diff --git a/src/arch/x86/car.ld b/src/arch/x86/car.ld
index c291efb..9f8c2ad 100644
--- a/src/arch/x86/car.ld
+++ b/src/arch/x86/car.ld
@@ -48,6 +48,9 @@
 
 	TIMESTAMP(., 0x200)
 
+#if !CONFIG(NO_CBFS_MCACHE)
+	CBFS_MCACHE(., CONFIG_CBFS_MCACHE_SIZE)
+#endif
 #if !CONFIG(NO_FMAP_CACHE)
 	FMAP_CACHE(., FMAP_SIZE)
 #endif
diff --git a/src/lib/Kconfig b/src/lib/Kconfig
index ab2b9c5..ab0182c 100644
--- a/src/lib/Kconfig
+++ b/src/lib/Kconfig
@@ -83,7 +83,6 @@
 
 config NO_CBFS_MCACHE
 	bool
-	default y
 	help
 	  Disables the CBFS metadata cache. This means that your platform does
 	  not need to provide a CBFS_MCACHE section in memlayout and can save
diff --git a/src/mainboard/asus/p5gc-mx/Kconfig b/src/mainboard/asus/p5gc-mx/Kconfig
index ff3bbca..a0dc96e7 100644
--- a/src/mainboard/asus/p5gc-mx/Kconfig
+++ b/src/mainboard/asus/p5gc-mx/Kconfig
@@ -17,6 +17,7 @@
 	select BOARD_ROMSIZE_KB_512
 	select MAINBOARD_HAS_NATIVE_VGA_INIT
 	select INTEL_GMA_HAVE_VBT
+	select NO_CBFS_MCACHE
 
 config MAINBOARD_DIR
 	string
diff --git a/src/mainboard/emulation/qemu-aarch64/memlayout.ld b/src/mainboard/emulation/qemu-aarch64/memlayout.ld
index cee77cd..ae00e96 100644
--- a/src/mainboard/emulation/qemu-aarch64/memlayout.ld
+++ b/src/mainboard/emulation/qemu-aarch64/memlayout.ld
@@ -19,7 +19,8 @@
 	REGION(secram, 0xe000000, 0x1000000, 4096)
 	DRAM_START(0x40000000)
 	BOOTBLOCK(0x60010000, 64K)
-	STACK(0x60020000, 62K)
+	STACK(0x60020000, 54K)
+	CBFS_MCACHE(0x6002D800, 8K)
 	FMAP_CACHE(0x6002F800, 2K)
         TIMESTAMP(0x60030000, 1K)
 	ROMSTAGE(0x60031000, 128K)
diff --git a/src/mainboard/emulation/qemu-armv7/memlayout.ld b/src/mainboard/emulation/qemu-armv7/memlayout.ld
index 4ddc6d2..5f32d8b 100644
--- a/src/mainboard/emulation/qemu-armv7/memlayout.ld
+++ b/src/mainboard/emulation/qemu-armv7/memlayout.ld
@@ -35,6 +35,7 @@
 	BOOTBLOCK(0x60010000, 128K)
 	FMAP_CACHE(0x60030000, 4K)
 	TIMESTAMP(0x60031000, 1K)
+	CBFS_MCACHE(0x60031400, 7K)
 	/* TODO: Implement MMU support and move TTB to a better location. */
 	TTB(0x60034000, 16K)
 	ROMSTAGE(0x60038000, 128K)
diff --git a/src/mainboard/emulation/qemu-power8/memlayout.ld b/src/mainboard/emulation/qemu-power8/memlayout.ld
index 90aaec6..66f2c75 100644
--- a/src/mainboard/emulation/qemu-power8/memlayout.ld
+++ b/src/mainboard/emulation/qemu-power8/memlayout.ld
@@ -13,5 +13,6 @@
 	STACK(0x40000, 0x3ff00)
 	PRERAM_CBMEM_CONSOLE(0x80000, 8K)
 	FMAP_CACHE(0x82000, 2K)
+	CBFS_MCACHE(0x82800, 8K)
 	RAMSTAGE(0x100000, 16M)
 }
diff --git a/src/mainboard/emulation/qemu-riscv/memlayout.ld b/src/mainboard/emulation/qemu-riscv/memlayout.ld
index cfa0513..96ab74c 100644
--- a/src/mainboard/emulation/qemu-riscv/memlayout.ld
+++ b/src/mainboard/emulation/qemu-riscv/memlayout.ld
@@ -25,6 +25,7 @@
 #endif
 	PRERAM_CBMEM_CONSOLE(STAGES_START + 128K, 8K)
 	FMAP_CACHE(STAGES_START + 136K, 2K)
+	CBFS_MCACHE(STAGES_START + 138K, 8K)
 	RAMSTAGE(STAGES_START + 200K, 16M)
 	STACK(STAGES_START + 200K + 16M, 4K)
 }
diff --git a/src/mainboard/emulation/spike-riscv/memlayout.ld b/src/mainboard/emulation/spike-riscv/memlayout.ld
index e08fd72..7ec4892 100644
--- a/src/mainboard/emulation/spike-riscv/memlayout.ld
+++ b/src/mainboard/emulation/spike-riscv/memlayout.ld
@@ -12,7 +12,8 @@
 	BOOTBLOCK(START, 64K)
 	STACK(START + 8M, 4K)
 	FMAP_CACHE(START + 8M + 4K, 2K)
-	/* hole at (START + 8M + 6K, 58K) */
+	CBFS_MCACHE(START + 8M + 6K, 8K)
+	/* hole at (START + 8M + 14K, 50K) */
 	ROMSTAGE(START + 8M + 64K, 128K)
 	PRERAM_CBMEM_CONSOLE(START + 8M + 192k, 8K)
 	RAMSTAGE(START + 8M + 200K, 256K)
diff --git a/src/mainboard/gigabyte/ga-945gcm-s2l/Kconfig b/src/mainboard/gigabyte/ga-945gcm-s2l/Kconfig
index 9a8bf5b..f6a99e7f 100644
--- a/src/mainboard/gigabyte/ga-945gcm-s2l/Kconfig
+++ b/src/mainboard/gigabyte/ga-945gcm-s2l/Kconfig
@@ -18,6 +18,7 @@
 	select MAINBOARD_HAS_NATIVE_VGA_INIT
 	select REALTEK_8168_RESET if BOARD_GIGABYTE_GA_945GCM_S2L
 	select INTEL_GMA_HAVE_VBT
+	select NO_CBFS_MCACHE
 
 config MAINBOARD_DIR
 	string
diff --git a/src/mainboard/google/octopus/Kconfig b/src/mainboard/google/octopus/Kconfig
index 588c8ed..7e8e277 100644
--- a/src/mainboard/google/octopus/Kconfig
+++ b/src/mainboard/google/octopus/Kconfig
@@ -26,6 +26,7 @@
 	select GOOGLE_SMBIOS_MAINBOARD_VERSION
 	select NO_BOOTBLOCK_CONSOLE
 	select NO_FMAP_CACHE
+	select NO_CBFS_MCACHE
 
 if BOARD_GOOGLE_BASEBOARD_OCTOPUS
 
diff --git a/src/mainboard/lenovo/t400/Kconfig b/src/mainboard/lenovo/t400/Kconfig
index 5b3ecf1..809ea45 100644
--- a/src/mainboard/lenovo/t400/Kconfig
+++ b/src/mainboard/lenovo/t400/Kconfig
@@ -26,6 +26,7 @@
 	select MAINBOARD_HAS_LIBGFXINIT
 	select MAINBOARD_USES_IFD_GBE_REGION if !BOARD_LENOVO_R500
 	select INTEL_GMA_HAVE_VBT
+	select NO_CBFS_MCACHE
 
 config VBOOT
 	select VBOOT_VBNV_CMOS
diff --git a/src/northbridge/intel/e7505/Kconfig b/src/northbridge/intel/e7505/Kconfig
index 32fe1cf..e07691a 100644
--- a/src/northbridge/intel/e7505/Kconfig
+++ b/src/northbridge/intel/e7505/Kconfig
@@ -9,5 +9,6 @@
 	def_bool y
 	select NO_MMCONF_SUPPORT
 	select HAVE_DEBUG_RAM_SETUP
+	select NO_CBFS_MCACHE
 
 endif
diff --git a/src/northbridge/intel/i440bx/Kconfig b/src/northbridge/intel/i440bx/Kconfig
index 8a6783e..0e61285 100644
--- a/src/northbridge/intel/i440bx/Kconfig
+++ b/src/northbridge/intel/i440bx/Kconfig
@@ -5,6 +5,7 @@
 	select NO_MMCONF_SUPPORT
 	select HAVE_DEBUG_RAM_SETUP
 	select NO_BOOTBLOCK_CONSOLE
+	select NO_CBFS_MCACHE
 
 config SDRAMPWR_4DIMM
 	bool
diff --git a/src/northbridge/intel/pineview/Kconfig b/src/northbridge/intel/pineview/Kconfig
index a1b0894..185beebe 100644
--- a/src/northbridge/intel/pineview/Kconfig
+++ b/src/northbridge/intel/pineview/Kconfig
@@ -14,6 +14,7 @@
 	select INTEL_EDID if MAINBOARD_DO_NATIVE_VGA_INIT
 	select INTEL_GMA_ACPI
 	select PARALLEL_MP
+	select NO_CBFS_MCACHE
 
 config VGA_BIOS_ID
 	string
diff --git a/src/northbridge/intel/x4x/Kconfig b/src/northbridge/intel/x4x/Kconfig
index 00e9a3a..8226fe9 100644
--- a/src/northbridge/intel/x4x/Kconfig
+++ b/src/northbridge/intel/x4x/Kconfig
@@ -13,6 +13,7 @@
 	select CACHE_MRC_SETTINGS
 	select PARALLEL_MP
 	select BOOT_DEVICE_SPI_FLASH_NO_EARLY_WRITES
+	select NO_CBFS_MCACHE
 
 config CBFS_SIZE
 	hex
diff --git a/src/soc/amd/common/block/cpu/noncar/memlayout_transfer_buffer.inc b/src/soc/amd/common/block/cpu/noncar/memlayout_transfer_buffer.inc
index a88e81a..d9bd096 100644
--- a/src/soc/amd/common/block/cpu/noncar/memlayout_transfer_buffer.inc
+++ b/src/soc/amd/common/block/cpu/noncar/memlayout_transfer_buffer.inc
@@ -12,6 +12,7 @@
 	ALIGN_COUNTER(64)
 	PRERAM_CBMEM_CONSOLE(., CONFIG_PRERAM_CBMEM_CONSOLE_SIZE)
  	TIMESTAMP(., TIMESTAMP_BUFFER_SIZE)
+	CBFS_MCACHE(., CONFIG_CBFS_MCACHE_SIZE)
 	FMAP_CACHE(., FMAP_SIZE)
 
 #if CONFIG(VBOOT)
diff --git a/src/soc/amd/common/block/cpu/noncar/memlayout_x86.ld b/src/soc/amd/common/block/cpu/noncar/memlayout_x86.ld
index 369d431..bf101e3 100644
--- a/src/soc/amd/common/block/cpu/noncar/memlayout_x86.ld
+++ b/src/soc/amd/common/block/cpu/noncar/memlayout_x86.ld
@@ -39,6 +39,8 @@
  *                     |          Unused hole           |
  *                     +--------------------------------+
  *                     |     FMAP cache (FMAP_SIZE)     |
+ *                     +--------------------------------+
+ *                     | CBFS mcache (CBFS_MCACHE_SIZE) |
  *                     +--------------------------------+ PSP_SHAREDMEM_BASE + 0x40 + VB2_FIRMWARE_WORKBUF_RECOMMENDED_SIZE + PRERAM_CBMEM_CONSOLE_SIZE + 0x200
  *                     |  Early Timestamp region (512B) |
  *                     +--------------------------------+ PSP_SHAREDMEM_BASE + 0x40 + VB2_FIRMWARE_WORKBUF_RECOMMENDED_SIZE + PRERAM_CBMEM_CONSOLE_SIZE
diff --git a/src/soc/cavium/cn81xx/memlayout.ld b/src/soc/cavium/cn81xx/memlayout.ld
index 79673c9..0257b23 100644
--- a/src/soc/cavium/cn81xx/memlayout.ld
+++ b/src/soc/cavium/cn81xx/memlayout.ld
@@ -20,7 +20,8 @@
 	PRERAM_CBFS_CACHE(BOOTROM_OFFSET + 0x6000, 6K)
 	FMAP_CACHE(BOOTROM_OFFSET + 0x7800, 2K)
 	PRERAM_CBMEM_CONSOLE(BOOTROM_OFFSET + 0x8000, 8K)
-	BOOTBLOCK(BOOTROM_OFFSET + 0x20000, 64K)
+	BOOTBLOCK(BOOTROM_OFFSET + 0x20000, 56K)
+	CBFS_MCACHE(BOOTROM_OFFSET + 0x2e000, 8K)
 	VBOOT2_WORK(BOOTROM_OFFSET + 0x30000, 12K)
 	TPM_TCPA_LOG(BOOTROM_OFFSET + 0x33000, 2K)
 	VERSTAGE(BOOTROM_OFFSET + 0x33800, 50K)
diff --git a/src/soc/intel/braswell/Kconfig b/src/soc/intel/braswell/Kconfig
index edbc6fd..dcc30ee 100644
--- a/src/soc/intel/braswell/Kconfig
+++ b/src/soc/intel/braswell/Kconfig
@@ -42,6 +42,7 @@
 	select CPU_INTEL_COMMON
 	select SOUTHBRIDGE_INTEL_COMMON_SMBUS
 	select SOUTHBRIDGE_INTEL_COMMON_SPI_SILVERMONT
+	select NO_CBFS_MCACHE
 
 config DCACHE_BSP_STACK_SIZE
 	hex
diff --git a/src/soc/mediatek/mt8173/memlayout.ld b/src/soc/mediatek/mt8173/memlayout.ld
index 4aece51..d9a6d83 100644
--- a/src/soc/mediatek/mt8173/memlayout.ld
+++ b/src/soc/mediatek/mt8173/memlayout.ld
@@ -30,7 +30,8 @@
 	FMAP_CACHE(0x00103800, 2K)
 	PRERAM_CBMEM_CONSOLE(0x00104000, 12K)
 	WATCHDOG_TOMBSTONE(0x00107000, 4)
-	PRERAM_CBFS_CACHE(0x00107004, 16K - 4)
+	PRERAM_CBFS_CACHE(0x00107004, 8K - 4)
+	CBFS_MCACHE(0x00109000, 8K)
 	TIMESTAMP(0x0010B000, 4K)
 	ROMSTAGE(0x0010C000, 92K)
 	STACK(0x00124000, 16K)
diff --git a/src/soc/mediatek/mt8183/memlayout.ld b/src/soc/mediatek/mt8183/memlayout.ld
index a266377..db56666 100644
--- a/src/soc/mediatek/mt8183/memlayout.ld
+++ b/src/soc/mediatek/mt8183/memlayout.ld
@@ -30,7 +30,8 @@
 
 	SRAM_L2C_START(0x00200000)
 	OVERLAP_DECOMPRESSOR_VERSTAGE_ROMSTAGE(0x00201000, 188K)
-	BOOTBLOCK(0x00230000, 64K)
+	BOOTBLOCK(0x00230000, 56K)
+	CBFS_MCACHE(0x0023e000, 8K)
 	DRAM_INIT_CODE(0x00240000, 208K)
 	PRERAM_CBFS_CACHE(0x00274000, 48K)
 	SRAM_L2C_END(0x00280000)
diff --git a/src/soc/mediatek/mt8192/include/soc/memlayout.ld b/src/soc/mediatek/mt8192/include/soc/memlayout.ld
index c016d5f..2a21dd6 100644
--- a/src/soc/mediatek/mt8192/include/soc/memlayout.ld
+++ b/src/soc/mediatek/mt8192/include/soc/memlayout.ld
@@ -26,9 +26,10 @@
 	TPM_TCPA_LOG(0x00103000, 2K)
 	FMAP_CACHE(0x00103800, 2K)
 	WATCHDOG_TOMBSTONE(0x00104000, 4)
-	PRERAM_CBMEM_CONSOLE(0x00104004, 19K - 4)
-	TIMESTAMP(0x00108c00, 1K)
-	STACK(0x00109000, 16K)
+	PRERAM_CBMEM_CONSOLE(0x00104004, 15K - 4)
+	CBFS_MCACHE(0x00107c00, 8K)
+	TIMESTAMP(0x00109c00, 1K)
+	STACK(0x0010a000, 12K)
 	TTB(0x0010d000, 28K)
 	DMA_COHERENT(0x00114000, 4K)
 	/*
diff --git a/src/soc/nvidia/tegra124/memlayout.ld b/src/soc/nvidia/tegra124/memlayout.ld
index 94b6fd8..f661d2a 100644
--- a/src/soc/nvidia/tegra124/memlayout.ld
+++ b/src/soc/nvidia/tegra124/memlayout.ld
@@ -16,7 +16,8 @@
 	TTB(0x40000000, 16K + 32)
 	PRERAM_CBMEM_CONSOLE(0x40004020, 6K - 32)
 	FMAP_CACHE(0x40005800, 2K)
-	PRERAM_CBFS_CACHE(0x40006000, 14K)
+	CBFS_MCACHE(0x40006000, 8K)
+	PRERAM_CBFS_CACHE(0x40008000, 6K)
 	VBOOT2_WORK(0x40009800, 12K)
 	TPM_TCPA_LOG(0x4000D800, 2K)
 	STACK(0x4000E000, 8K)
diff --git a/src/soc/nvidia/tegra210/memlayout.ld b/src/soc/nvidia/tegra210/memlayout.ld
index e5620bc..42f2164 100644
--- a/src/soc/nvidia/tegra210/memlayout.ld
+++ b/src/soc/nvidia/tegra210/memlayout.ld
@@ -17,7 +17,8 @@
 	SRAM_START(0x40000000)
 	PRERAM_CBMEM_CONSOLE(0x40000000, 2K)
 	FMAP_CACHE(0x40000800, 2K)
-	PRERAM_CBFS_CACHE(0x40001000, 28K)
+	PRERAM_CBFS_CACHE(0x40001000, 20K)
+	CBFS_MCACHE(0x40006000, 8K)
 	VBOOT2_WORK(0x40008000, 12K)
 	TPM_TCPA_LOG(0x4000B000, 2K)
 #if ENV_ARM64
diff --git a/src/soc/qualcomm/ipq40xx/memlayout.ld b/src/soc/qualcomm/ipq40xx/memlayout.ld
index 1a2dd31..4c54294 100644
--- a/src/soc/qualcomm/ipq40xx/memlayout.ld
+++ b/src/soc/qualcomm/ipq40xx/memlayout.ld
@@ -20,7 +20,8 @@
 	/* This includes bootblock image, can be reused after bootblock starts */
 /*	UBER_SBL(0x0A0C0000, 48K) */
 
-	PRERAM_CBFS_CACHE(0x0A0C0000, 92K)
+	PRERAM_CBFS_CACHE(0x0A0C0000, 84K)
+	CBFS_MCACHE(0x0A0ED800, 8K)
 	FMAP_CACHE(0x0A0EF800, 2K)
 
 	TTB(0x0A0F0000, 16K)
diff --git a/src/soc/qualcomm/ipq806x/memlayout.ld b/src/soc/qualcomm/ipq806x/memlayout.ld
index 6e7e56c..793e74e 100644
--- a/src/soc/qualcomm/ipq806x/memlayout.ld
+++ b/src/soc/qualcomm/ipq806x/memlayout.ld
@@ -24,7 +24,8 @@
 	QCA_SHARED_RAM(2A03F000, 4K)
 */
 	STACK(0x2A040000, 16K)
-	PRERAM_CBFS_CACHE(0x2A044000, 91K)
+	PRERAM_CBFS_CACHE(0x2A044000, 83K)
+	CBFS_MCACHE(0x2A059000, 8K)
 	FMAP_CACHE(0x2A05B000, 2K)
 	TTB_SUBTABLES(0x2A05B800, 2K)
 	TTB(0x2A05C000, 16K)
diff --git a/src/soc/qualcomm/qcs405/memlayout.ld b/src/soc/qualcomm/qcs405/memlayout.ld
index ff2ad2f..a282512 100644
--- a/src/soc/qualcomm/qcs405/memlayout.ld
+++ b/src/soc/qualcomm/qcs405/memlayout.ld
@@ -25,7 +25,8 @@
 	STACK(0x8C4B000, 16K)
 	TIMESTAMP(0x8C4F000, 1K)
 	PRERAM_CBMEM_CONSOLE(0x8C4F400, 32K)
-	PRERAM_CBFS_CACHE(0x8C57400, 70K)
+	PRERAM_CBFS_CACHE(0x8C57400, 62K)
+	CBFS_MCACHE(0x8C66C00, 8K)
 	FMAP_CACHE(0x8C68C00, 2K)
 	REGION(bsram_unused, 0x8C69400, 0xA1C00, 0x100)
 	BSRAM_END(0x8D80000)
diff --git a/src/soc/qualcomm/sc7180/memlayout.ld b/src/soc/qualcomm/sc7180/memlayout.ld
index 482620a..ca9c993 100644
--- a/src/soc/qualcomm/sc7180/memlayout.ld
+++ b/src/soc/qualcomm/sc7180/memlayout.ld
@@ -43,6 +43,7 @@
 	REGION(qclib_serial_log, 0x14852000, 4K, 4K)
 	REGION(ddr_information, 0x14853000, 1K, 1K)
 	FMAP_CACHE(0x14853400, 2K)
+	CBFS_MCACHE(0x14853C00, 8K)
 	REGION(dcb, 0x1485b000, 16K, 4K)
 	REGION(pmic, 0x1485f000, 48K, 4K)
 	REGION(qclib, 0x1486b000, 596K, 4K)
diff --git a/src/soc/rockchip/rk3288/Kconfig b/src/soc/rockchip/rk3288/Kconfig
index 3dc9a9b..a51df2a 100644
--- a/src/soc/rockchip/rk3288/Kconfig
+++ b/src/soc/rockchip/rk3288/Kconfig
@@ -17,6 +17,7 @@
 	select HAVE_LINEAR_FRAMEBUFFER
 	select NO_BOOTBLOCK_CONSOLE
 	select NO_FMAP_CACHE
+	select NO_CBFS_MCACHE
 
 if SOC_ROCKCHIP_RK3288
 
diff --git a/src/soc/rockchip/rk3399/memlayout.ld b/src/soc/rockchip/rk3399/memlayout.ld
index 72836b5..aa925a2 100644
--- a/src/soc/rockchip/rk3399/memlayout.ld
+++ b/src/soc/rockchip/rk3399/memlayout.ld
@@ -24,11 +24,12 @@
 	FMAP_CACHE(0xFF8C1400, 2K)
 	TIMESTAMP(0xFF8C1C00, 1K)
 	/* 0xFF8C2004 is the entry point address the masked ROM will jump to. */
-	OVERLAP_DECOMPRESSOR_VERSTAGE_ROMSTAGE(0xFF8C2004, 88K - 4)
-	BOOTBLOCK(0xFF8D8000, 40K)
+	OVERLAP_DECOMPRESSOR_VERSTAGE_ROMSTAGE(0xFF8C2004, 84K - 4)
+	BOOTBLOCK(0xFF8D7000, 40K)
 #endif
-	VBOOT2_WORK(0XFF8E2000, 12K)
-	TTB(0xFF8E5000, 24K)
+	CBFS_MCACHE(0xFF8E1000, 8K)
+	VBOOT2_WORK(0XFF8E3000, 12K)
+	TTB(0xFF8E6000, 20K)
 	PRERAM_CBMEM_CONSOLE(0xFF8EB000, 8K)
 	STACK(0xFF8ED000, 12K)
 	SRAM_END(0xFF8F0000)
diff --git a/src/soc/samsung/exynos5250/memlayout.ld b/src/soc/samsung/exynos5250/memlayout.ld
index be4bb6e..eec9f60 100644
--- a/src/soc/samsung/exynos5250/memlayout.ld
+++ b/src/soc/samsung/exynos5250/memlayout.ld
@@ -18,7 +18,8 @@
 	ROMSTAGE(0x2030000, 128K)
 	/* 32K hole */
 	TTB(0x2058000, 16K)
-	PRERAM_CBFS_CACHE(0x205C000, 76K)
+	PRERAM_CBFS_CACHE(0x205C000, 68K)
+	CBFS_MCACHE(0x206D000, 8K)
 	FMAP_CACHE(0x206F000, 2K)
 	TPM_TCPA_LOG(0x206F800, 2K)
 	VBOOT2_WORK(0x2070000, 12K)
diff --git a/src/soc/samsung/exynos5420/memlayout.ld b/src/soc/samsung/exynos5420/memlayout.ld
index e299001..7c89413 100644
--- a/src/soc/samsung/exynos5420/memlayout.ld
+++ b/src/soc/samsung/exynos5420/memlayout.ld
@@ -19,7 +19,8 @@
 	ROMSTAGE(0x2030000, 128K)
 	/* 32K hole */
 	TTB(0x2058000, 16K)
-	PRERAM_CBFS_CACHE(0x205C000, 74K)
+	PRERAM_CBFS_CACHE(0x205C000, 66K)
+	CBFS_MCACHE(0x206C800, 8K)
 	FMAP_CACHE(0x206E800, 2K)
 	STACK(0x206F000, 16K)
 	/* 1K hole for weird kernel-shared CPU/SMP state structure that doesn't
diff --git a/src/soc/sifive/fu540/memlayout.ld b/src/soc/sifive/fu540/memlayout.ld
index fd63dc0..b365b96 100644
--- a/src/soc/sifive/fu540/memlayout.ld
+++ b/src/soc/sifive/fu540/memlayout.ld
@@ -12,8 +12,9 @@
 {
 	L2LIM_START(FU540_L2LIM)
 	BOOTBLOCK(FU540_L2LIM, 64K)
-	CAR_STACK(FU540_L2LIM + 64K, 20K)
-	PRERAM_CBMEM_CONSOLE(FU540_L2LIM + 84K, 8K)
+	CAR_STACK(FU540_L2LIM + 64K, 12K)
+	PRERAM_CBMEM_CONSOLE(FU540_L2LIM + 76K, 8K)
+	CBFS_MCACHE(FU540_L2LIM + 84K, 8K)
 	FMAP_CACHE(FU540_L2LIM + 92K, 2K)
 	ROMSTAGE(FU540_L2LIM + 128K, 128K)
 	PRERAM_CBFS_CACHE(FU540_L2LIM + 256K, 128K)
diff --git a/src/soc/ti/am335x/memlayout.ld b/src/soc/ti/am335x/memlayout.ld
index 720da26..042febe 100644
--- a/src/soc/ti/am335x/memlayout.ld
+++ b/src/soc/ti/am335x/memlayout.ld
@@ -9,6 +9,7 @@
 	SRAM_START(0x402f0400)
 	BOOTBLOCK(0x402f0400, 20K)
 	FMAP_CACHE(0x402f0400+20K, 2K)
+	CBFS_MCACHE(0x402f0400+20K+2K, 8K)
 	TTB(0x402F8000, 16K)
 	ROMSTAGE(0x402F8000+16K, 40K)