diff options
Diffstat (limited to 'arch/arm/cpu/armv7/socfpga')
| -rw-r--r-- | arch/arm/cpu/armv7/socfpga/spl.c | 3 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/socfpga/system_manager.c | 9 |
2 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/socfpga/spl.c b/arch/arm/cpu/armv7/socfpga/spl.c index 95992f0d79..787ad7fb0d 100644 --- a/arch/arm/cpu/armv7/socfpga/spl.c +++ b/arch/arm/cpu/armv7/socfpga/spl.c @@ -154,6 +154,9 @@ void spl_board_init(void) /* reconfigure the PLLs */ cm_basic_init(&cm_default_cfg); + /* Enable bootrom to configure IOs. */ + sysmgr_enable_warmrstcfgio(); + /* configure the IOCSR / IO buffer settings */ if (scan_mgr_configure_iocsr()) hang(); diff --git a/arch/arm/cpu/armv7/socfpga/system_manager.c b/arch/arm/cpu/armv7/socfpga/system_manager.c index 11f7badbf2..8126e0d43c 100644 --- a/arch/arm/cpu/armv7/socfpga/system_manager.c +++ b/arch/arm/cpu/armv7/socfpga/system_manager.c @@ -66,3 +66,12 @@ void sysmgr_pinmux_init(void) populate_sysmgr_fpgaintf_module(); } + +/* + * This bit allows the bootrom to configure the IOs after a warm reset. + */ +void sysmgr_enable_warmrstcfgio(void) +{ + setbits_le32(&sysmgr_regs->romcodegrp_ctrl, + SYSMGR_ROMCODEGRP_CTRL_WARMRSTCFGIO); +} |
