| /* 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); |
| } |
| } |