diff options
| author | Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com> | 2018-08-27 12:58:52 +0530 |
|---|---|---|
| committer | York Sun <york.sun@nxp.com> | 2018-09-27 08:55:21 -0700 |
| commit | 87519a9ecefaabc707535a0111b745a1189e3b29 (patch) | |
| tree | 34e58439eca9952d48638555bf4a661a96ba0bd4 /drivers/net/fsl-mc/mc.c | |
| parent | a78df40cbabe2cb96e0d2fc18a64759302f9e809 (diff) | |
driver: net: fsl-mc: Memset MC reserve ram memory before usage
Memory reserved for Management Complex needs to be cleaned before any
usage.
Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
[York S: revised commit message]
Reviewed-by: York Sun <york.sun@nxp.com>
Diffstat (limited to 'drivers/net/fsl-mc/mc.c')
| -rw-r--r-- | drivers/net/fsl-mc/mc.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/fsl-mc/mc.c b/drivers/net/fsl-mc/mc.c index cb2fbe9e2f..d9a897dc86 100644 --- a/drivers/net/fsl-mc/mc.c +++ b/drivers/net/fsl-mc/mc.c @@ -2,6 +2,7 @@ /* * Copyright 2014 Freescale Semiconductor, Inc. * Copyright 2017 NXP + * Copyright 2017-2018 NXP */ #include <common.h> #include <errno.h> @@ -29,6 +30,7 @@ #define MC_BOOT_ENV_VAR "mcinitcmd" DECLARE_GLOBAL_DATA_PTR; +static int mc_memset_resv_ram; static int mc_boot_status = -1; static int mc_dpl_applied = -1; #ifdef CONFIG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET @@ -844,6 +846,11 @@ u64 mc_get_dram_addr(void) { size_t mc_ram_size = mc_get_dram_block_size(); + if (!mc_memset_resv_ram || (get_mc_boot_status() < 0)) { + mc_memset_resv_ram = 1; + memset((void *)gd->arch.resv_ram, 0, mc_ram_size); + } + return (gd->arch.resv_ram + mc_ram_size - 1) & MC_RAM_BASE_ADDR_ALIGNMENT_MASK; } |