Use gd->arch.resv_ram to track reserved memory allocation.
Signed-off-by: York Sun <york....@nxp.com>
---
Changes in v2: None
arch/arm/cpu/armv8/fsl-layerscape/Kconfig | 6 ++++++
arch/arm/include/asm/global_data.h | 3 +++
cmd/bdinfo.c | 4 ++++
3 files changed, 13 insertions(+)
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
index adccdf1..a40556f 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
+++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
@@ -273,6 +273,12 @@ config SYS_FSL_SDHC_CLK_DIV
clock, in another word SDHC_clk = Platform_clk / this_divider.
endmenu
+config RESV_RAM_TOP
+ bool
+ help
+ Reserve memory from the top, tracked by gd->arch.resv_ram. It's up
+ to implementation to allow access to this reserved memory or not.
+
config SYS_FSL_ERRATUM_A008336
bool
diff --git a/arch/arm/include/asm/global_data.h
b/arch/arm/include/asm/global_data.h
index aee87cd..b1fc410 100644
--- a/arch/arm/include/asm/global_data.h
+++ b/arch/arm/include/asm/global_data.h
@@ -59,6 +59,9 @@ struct arch_global_data {
phys_addr_t secure_ram;
unsigned long tlb_allocated;
#endif
+#ifdef CONFIG_RESV_RAM_TOP
+ phys_addr_t resv_ram;
+#endif
#ifdef CONFIG_ARCH_OMAP2
u32 omap_boot_device;
diff --git a/cmd/bdinfo.c b/cmd/bdinfo.c
index ae3027a..0c5fa56 100644
--- a/cmd/bdinfo.c
+++ b/cmd/bdinfo.c
@@ -392,6 +392,10 @@ static int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc,
gd->arch.secure_ram & MEM_RESERVE_SECURE_ADDR_MASK);
}
#endif
+#ifdef CONFIG_RESV_RAM_TOP
+ if (gd->arch.resv_ram)
+ print_num("Reserved ram", gd->arch.resv_ram);
+#endif
#if defined(CONFIG_CMD_NET) && !defined(CONFIG_DM_ETH)
print_eths();
#endif
--
2.7.4
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