Use gd->arch.resv_ram to track reserved memory allocation.
Signed-off-by: York Sun york.sun@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