diff options
author | mkurumel <mkurumel@codeaurora.org> | 2020-09-14 23:28:53 +0530 |
---|---|---|
committer | Julius Werner <jwerner@chromium.org> | 2020-11-02 21:58:52 +0000 |
commit | a9d225b3e89d6ec061169d5b472095fb9e8ffbc7 (patch) | |
tree | bf1b27a48c44af3bd3cd2d9f25884d3737c90884 /src/soc/qualcomm/sc7180/carve_out.c | |
parent | 82689d2ac8057afcdb6f77b9ecb6e53120edbf61 (diff) |
sc7180: Add Modem region in memlayout to avoid modem cleanup in Secboot reboot.
two different modem regions wifi and lte to be handled in QC_SEC and modem
Change-Id: Ib4592ca66d3d0db4c4768be4cd27422fe9f786b8
Signed-off-by: Ravi Kumar Bokka <rbokka@codeaurora.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46661
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Diffstat (limited to 'src/soc/qualcomm/sc7180/carve_out.c')
-rw-r--r-- | src/soc/qualcomm/sc7180/carve_out.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/soc/qualcomm/sc7180/carve_out.c b/src/soc/qualcomm/sc7180/carve_out.c new file mode 100644 index 0000000000..960b923bcc --- /dev/null +++ b/src/soc/qualcomm/sc7180/carve_out.c @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <arch/stages.h> +#include <soc/mmu_common.h> +#include <soc/symbols.h> +#include <device/mmio.h> +#include <string.h> + +#define MODEM_ID_LTE 0x004c5445 +#define MODEM_ID_WIFI 0x57494649 + +bool soc_modem_carve_out(void **start, void **end) +{ + uint32_t modem_id = read32(_modem_id); + + switch (modem_id) { + case MODEM_ID_LTE: + *start = _dram_modem_wifi_only; + *end = _edram_modem_extra; + return true; + case MODEM_ID_WIFI: + *start = _dram_modem_wifi_only; + *end = _edram_modem_wifi_only; + return true; + default: + return false; + } +} |