| Message ID | 1427752878-18426-7-git-send-email-dinguyen@opensource.altera.com |
|---|---|
| State | Superseded |
| Delegated to: | Marek Vasut |
| Headers | show |
On Tuesday, March 31, 2015 at 12:01:07 AM, dinguyen@opensource.altera.com wrote: > From: Dinh Nguyen <dinguyen@opensource.altera.com> > > Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com> > Acked-by: Marek Vasut <marex@denx.de> Applied to u-boot-socfpga/next , thanks! Best regards, Marek Vasut
diff --git a/arch/arm/cpu/armv7/socfpga/spl.c b/arch/arm/cpu/armv7/socfpga/spl.c index 95992f0..787ad7f 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 11f7bad..8126e0d 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); +} diff --git a/arch/arm/include/asm/arch-socfpga/system_manager.h b/arch/arm/include/asm/arch-socfpga/system_manager.h index 071ec4f..51d9815 100644 --- a/arch/arm/include/asm/arch-socfpga/system_manager.h +++ b/arch/arm/include/asm/arch-socfpga/system_manager.h @@ -10,6 +10,7 @@ #ifndef __ASSEMBLY__ void sysmgr_pinmux_init(void); +void sysmgr_enable_warmrstcfgio(void); /* declaration for handoff table type */ extern unsigned long sys_mgr_init_table[CONFIG_HPS_PINMUX_NUM];