| Sudheer Kumar Amrabadi | cc4dd88 | 2022-05-09 18:20:19 +0530 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | |
| 3 | #include <console/console.h> |
| 4 | #include <soc/qclib_common.h> |
| 5 | #include <device/mmio.h> |
| 6 | |
| 7 | #define LONG_SYS_DCB_REG 0x7801C0 |
| 8 | #define FUSE_BIT 15 |
| 9 | |
| 10 | static int dcb_fuse_longsys1p8(void) |
| 11 | { |
| 12 | unsigned int fuse_value, bit_value; |
| 13 | fuse_value = read32((unsigned int *)LONG_SYS_DCB_REG); |
| 14 | bit_value = (fuse_value >> FUSE_BIT) & 0x1; |
| 15 | return bit_value; |
| 16 | } |
| 17 | |
| 18 | const char *qclib_file(enum qclib_cbfs_file file) |
| 19 | { |
| 20 | if ((file == QCLIB_CBFS_DCB) && dcb_fuse_longsys1p8()) { |
| 21 | printk(BIOS_INFO, "Using DCB for Longsys 1.8V memory based on fuse setting\n"); |
| 22 | return CONFIG_CBFS_PREFIX "/dcb_longsys1p8"; |
| 23 | } else { |
| 24 | return qclib_file_default(file); |
| 25 | } |
| 26 | } |