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sc7180: Trogdor to support 2 dcb 

BUG=b:227946776
TEST=Validated on sc7180 Lazor board

Signed-off-by: Sudheer Kumar Amrabadi <quic_samrabad@quicinc.com>
Change-Id: Ie4d7f7f0b24aee06ffb272b21b74fea4160fe87c
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64244
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
This commit is contained in:
Sudheer Kumar Amrabadi 2022-05-09 18:20:19 +05:30 committed by Shelley Chen
parent cc6a766764
commit cc4dd88d2b
2 changed files with 35 additions and 0 deletions
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9
src/soc/qualcomm/sc7180/Makefile.inc
View File

@ -27,6 +27,7 @@ verstage-$(CONFIG_DRIVERS_UART) += ../common/qupv3_uart.c
romstage-y += cbmem.c
romstage-y += watchdog.c
romstage-y += ../common/qclib.c
romstage-y += qclib.c
romstage-y += ../common/mmu.c
romstage-y += mmu.c
romstage-y += ../common/usb/usb.c
@ -96,6 +97,14 @@ $(DCB_CBFS)-type := raw
$(DCB_CBFS)-compression := $(CBFS_COMPRESS_FLAG)
cbfs-files-y += $(DCB_CBFS)
################################################################################
DCB_LONGSYS1P8_FILE := $(SC7180_BLOB)/boot/dcb_slow.bin
DCB_LONGSYS1P8_CBFS := $(CONFIG_CBFS_PREFIX)/dcb_longsys1p8
$(DCB_LONGSYS1P8_CBFS)-file := $(DCB_LONGSYS1P8_FILE)
$(DCB_LONGSYS1P8_CBFS)-type := raw
$(DCB_LONGSYS1P8_CBFS)-compression := $(CBFS_COMPRESS_FLAG)
cbfs-files-y += $(DCB_LONGSYS1P8_CBFS)
################################################################################
AOP_FILE := $(SC7180_BLOB)/aop/aop.mbn
AOP_CBFS := $(CONFIG_CBFS_PREFIX)/aop

26
src/soc/qualcomm/sc7180/qclib.c Normal file
View File

@ -0,0 +1,26 @@
/* SPDX-License-Identifier: GPL-2.0-only */
#include <console/console.h>
#include <soc/qclib_common.h>
#include <device/mmio.h>
#define LONG_SYS_DCB_REG 0x7801C0
#define FUSE_BIT 15
static int dcb_fuse_longsys1p8(void)
{
unsigned int fuse_value, bit_value;
fuse_value = read32((unsigned int *)LONG_SYS_DCB_REG);
bit_value = (fuse_value >> FUSE_BIT) & 0x1;
return bit_value;
}
const char *qclib_file(enum qclib_cbfs_file file)
{
if ((file == QCLIB_CBFS_DCB) && dcb_fuse_longsys1p8()) {
printk(BIOS_INFO, "Using DCB for Longsys 1.8V memory based on fuse setting\n");
return CONFIG_CBFS_PREFIX "/dcb_longsys1p8";
} else {
return qclib_file_default(file);
}
}