diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/amd/common/block/psp/psp_efs.c | 34 |
1 files changed, 14 insertions, 20 deletions
diff --git a/src/soc/amd/common/block/psp/psp_efs.c b/src/soc/amd/common/block/psp/psp_efs.c index 709273e8d8..7227b9257a 100644 --- a/src/soc/amd/common/block/psp/psp_efs.c +++ b/src/soc/amd/common/block/psp/psp_efs.c @@ -7,31 +7,25 @@ #include <device/mmio.h> #include <types.h> -static struct embedded_firmware *efs; - -bool efs_is_valid(void) -{ - if (!efs) - efs = rdev_mmap(boot_device_ro(), EFS_OFFSET, sizeof(*efs)); - - if (!efs || efs->signature != EMBEDDED_FW_SIGNATURE) - return false; - - return true; -} - bool read_efs_spi_settings(uint8_t *mode, uint8_t *speed) { - if (!efs_is_valid()) + bool ret = false; + struct embedded_firmware *efs; + + efs = rdev_mmap(boot_device_ro(), EFS_OFFSET, sizeof(*efs)); + if (!efs) return false; + if (efs->signature == EMBEDDED_FW_SIGNATURE) { #ifndef SPI_MODE_FIELD - printk(BIOS_ERR, "Unknown cpu in psp_efs.h\n"); - printk(BIOS_ERR, "SPI speed/mode not set.\n"); - return false; + printk(BIOS_ERR, "Unknown cpu in psp_efs.h\n"); + printk(BIOS_ERR, "SPI speed/mode not set.\n"); #else - *mode = efs->SPI_MODE_FIELD; - *speed = efs->SPI_SPEED_FIELD; - return true; + *mode = efs->SPI_MODE_FIELD; + *speed = efs->SPI_SPEED_FIELD; + ret = true; #endif + } + rdev_munmap(boot_device_ro(), efs); + return ret; } |