arm: socfpga: system: Rework sysmgr_enable_warmrstcfgio()

Rework sysmgr_enable_warmrstcfgio() into sysmgr_config_warmrstcfgio(),
which allows both enabling and disabling the warm reset config I/O
functionality.

Signed-off-by: Marek Vasut <marex@denx.de>

diff --git a/arch/arm/mach-socfpga/include/mach/system_manager.h b/arch/arm/mach-socfpga/include/mach/system_manager.h
index 51d9815..de05aaf 100644 (file)
--- a/arch/arm/mach-socfpga/include/mach/system_manager.h
+++ b/arch/arm/mach-socfpga/include/mach/system_manager.h
@@ -10,7 +10,7 @@
 #ifndef __ASSEMBLY__
 
 void sysmgr_pinmux_init(void);
-void sysmgr_enable_warmrstcfgio(void);
+void sysmgr_config_warmrstcfgio(int enable);
 
 /* declaration for handoff table type */
 extern unsigned long sys_mgr_init_table[CONFIG_HPS_PINMUX_NUM];

diff --git a/arch/arm/mach-socfpga/spl.c b/arch/arm/mach-socfpga/spl.c
index 1fecfdc..fd54ea9 100644 (file)
--- a/arch/arm/mach-socfpga/spl.c
+++ b/arch/arm/mach-socfpga/spl.c
@@ -78,7 +78,7 @@ void spl_board_init(void)
        cm_basic_init(cm_default_cfg);
 
        /* Enable bootrom to configure IOs. */
-       sysmgr_enable_warmrstcfgio();
+       sysmgr_config_warmrstcfgio(1);
 
        /* configure the IOCSR / IO buffer settings */
        if (scan_mgr_configure_iocsr())

diff --git a/arch/arm/mach-socfpga/system_manager.c b/arch/arm/mach-socfpga/system_manager.c
index 8126e0d..5ed47c3 100644 (file)
--- a/arch/arm/mach-socfpga/system_manager.c
+++ b/arch/arm/mach-socfpga/system_manager.c
@@ -70,8 +70,12 @@ void sysmgr_pinmux_init(void)
 /*
  * This bit allows the bootrom to configure the IOs after a warm reset.
  */
-void sysmgr_enable_warmrstcfgio(void)
+void sysmgr_config_warmrstcfgio(int enable)
 {
-       setbits_le32(&sysmgr_regs->romcodegrp_ctrl,
-                    SYSMGR_ROMCODEGRP_CTRL_WARMRSTCFGIO);
+       if (enable)
+               setbits_le32(&sysmgr_regs->romcodegrp_ctrl,
+                            SYSMGR_ROMCODEGRP_CTRL_WARMRSTCFGIO);
+       else
+               clrbits_le32(&sysmgr_regs->romcodegrp_ctrl,
+                            SYSMGR_ROMCODEGRP_CTRL_WARMRSTCFGIO);
 }