cc4dd88d2b
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>
27 lines
673 B
C
27 lines
673 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#include <console/console.h>
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#include <soc/qclib_common.h>
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#include <device/mmio.h>
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#define LONG_SYS_DCB_REG 0x7801C0
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#define FUSE_BIT 15
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static int dcb_fuse_longsys1p8(void)
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{
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unsigned int fuse_value, bit_value;
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fuse_value = read32((unsigned int *)LONG_SYS_DCB_REG);
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bit_value = (fuse_value >> FUSE_BIT) & 0x1;
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return bit_value;
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}
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const char *qclib_file(enum qclib_cbfs_file file)
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{
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if ((file == QCLIB_CBFS_DCB) && dcb_fuse_longsys1p8()) {
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printk(BIOS_INFO, "Using DCB for Longsys 1.8V memory based on fuse setting\n");
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return CONFIG_CBFS_PREFIX "/dcb_longsys1p8";
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} else {
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return qclib_file_default(file);
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}
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}
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