diff options
| -rw-r--r-- | arch/arm/mach-socfpga/include/mach/reset_manager.h | 7 | ||||
| -rw-r--r-- | arch/arm/mach-socfpga/misc.c | 14 | ||||
| -rw-r--r-- | arch/arm/mach-socfpga/reset_manager.c | 50 | ||||
| -rw-r--r-- | arch/arm/mach-socfpga/spl.c | 6 |
4 files changed, 13 insertions, 64 deletions
diff --git a/arch/arm/mach-socfpga/include/mach/reset_manager.h b/arch/arm/mach-socfpga/include/mach/reset_manager.h index 56509c2..97f155d 100644 --- a/arch/arm/mach-socfpga/include/mach/reset_manager.h +++ b/arch/arm/mach-socfpga/include/mach/reset_manager.h @@ -14,13 +14,6 @@ void socfpga_bridges_reset(int enable); void socfpga_per_reset(u32 reset, int set); -void socfpga_emac_reset(int enable); -void socfpga_watchdog_reset(void); -void socfpga_spim_enable(void); -void socfpga_uart0_enable(void); -void socfpga_sdram_enable(void); -void socfpga_osc1timer_enable(void); - struct socfpga_reset_manager { u32 status; u32 ctrl; diff --git a/arch/arm/mach-socfpga/misc.c b/arch/arm/mach-socfpga/misc.c index 0f8b4d0..e3fa92f 100644 --- a/arch/arm/mach-socfpga/misc.c +++ b/arch/arm/mach-socfpga/misc.c @@ -54,8 +54,10 @@ int cpu_eth_init(bd_t *bis) { #if CONFIG_EMAC_BASE == SOCFPGA_EMAC0_ADDRESS const int physhift = SYSMGR_EMACGRP_CTRL_PHYSEL0_LSB; + const u32 reset = SOCFPGA_RESET(EMAC0); #elif CONFIG_EMAC_BASE == SOCFPGA_EMAC1_ADDRESS const int physhift = SYSMGR_EMACGRP_CTRL_PHYSEL1_LSB; + const u32 reset = SOCFPGA_RESET(EMAC1); #else #error "Incorrect CONFIG_EMAC_BASE value!" #endif @@ -66,7 +68,8 @@ int cpu_eth_init(bd_t *bis) * Putting the EMAC controller to reset when configuring the PHY * interface select at System Manager */ - socfpga_emac_reset(1); + socfpga_per_reset(SOCFPGA_RESET(EMAC0), 1); + socfpga_per_reset(SOCFPGA_RESET(EMAC1), 1); /* Clearing emac0 PHY interface select to 0 */ clrbits_le32(&sysmgr_regs->emacgrp_ctrl, @@ -77,7 +80,7 @@ int cpu_eth_init(bd_t *bis) SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_RGMII << physhift); /* Release the EMAC controller from reset */ - socfpga_emac_reset(0); + socfpga_per_reset(reset, 0); /* initialize and register the emac */ return designware_initialize(CONFIG_EMAC_BASE, @@ -164,8 +167,10 @@ int arch_cpu_init(void) * If the HW watchdog is NOT enabled, make sure it is not running, * for example because it was enabled in the preloader. This might * trigger a watchdog-triggered reboot of Linux kernel later. + * Toggle watchdog reset, so watchdog in not running state. */ - socfpga_watchdog_reset(); + socfpga_per_reset(SOCFPGA_RESET(L4WD0), 1); + socfpga_per_reset(SOCFPGA_RESET(L4WD0), 0); #endif return 0; @@ -215,7 +220,8 @@ int arch_early_init_r(void) #ifdef CONFIG_DESIGNWARE_SPI /* Get Designware SPI controller out of reset */ - socfpga_spim_enable(); + socfpga_per_reset(SOCFPGA_RESET(SPIM0), 0); + socfpga_per_reset(SOCFPGA_RESET(SPIM1), 0); #endif return 0; diff --git a/arch/arm/mach-socfpga/reset_manager.c b/arch/arm/mach-socfpga/reset_manager.c index 452377c..18af25c 100644 --- a/arch/arm/mach-socfpga/reset_manager.c +++ b/arch/arm/mach-socfpga/reset_manager.c @@ -39,16 +39,6 @@ void socfpga_per_reset(u32 reset, int set) clrbits_le32(reg, 1 << RSTMGR_RESET(reset)); } -/* Toggle reset signal to watchdog (WDT is disabled after this operation!) */ -void socfpga_watchdog_reset(void) -{ - /* assert reset for watchdog */ - socfpga_per_reset(SOCFPGA_RESET(L4WD0), 1); - - /* deassert watchdog from reset (watchdog in not running state) */ - socfpga_per_reset(SOCFPGA_RESET(L4WD0), 0); -} - /* * Write the reset manager register to cause reset */ @@ -109,43 +99,3 @@ void socfpga_bridges_reset(int enable) } } #endif - -/* Change the reset state for EMAC 0 and EMAC 1 */ -void socfpga_emac_reset(int enable) -{ - if (enable) { - socfpga_per_reset(SOCFPGA_RESET(EMAC0), 1); - socfpga_per_reset(SOCFPGA_RESET(EMAC1), 1); - } else { -#if (CONFIG_EMAC_BASE == SOCFPGA_EMAC0_ADDRESS) - socfpga_per_reset(SOCFPGA_RESET(EMAC0), 0); -#elif (CONFIG_EMAC_BASE == SOCFPGA_EMAC1_ADDRESS) - socfpga_per_reset(SOCFPGA_RESET(EMAC1), 0); -#endif - } -} - -/* SPI Master enable (its held in reset by the preloader) */ -void socfpga_spim_enable(void) -{ - socfpga_per_reset(SOCFPGA_RESET(SPIM0), 0); - socfpga_per_reset(SOCFPGA_RESET(SPIM1), 0); -} - -/* Bring UART0 out of reset. */ -void socfpga_uart0_enable(void) -{ - socfpga_per_reset(SOCFPGA_RESET(UART0), 0); -} - -/* Bring SDRAM controller out of reset. */ -void socfpga_sdram_enable(void) -{ - socfpga_per_reset(SOCFPGA_RESET(SDR), 0); -} - -/* Bring OSC1 timer out of reset. */ -void socfpga_osc1timer_enable(void) -{ - socfpga_per_reset(SOCFPGA_RESET(OSC1TIMER0), 0); -} diff --git a/arch/arm/mach-socfpga/spl.c b/arch/arm/mach-socfpga/spl.c index f994658..400e463 100644 --- a/arch/arm/mach-socfpga/spl.c +++ b/arch/arm/mach-socfpga/spl.c @@ -175,9 +175,9 @@ void spl_board_init(void) /* freeze all IO banks */ sys_mgr_frzctrl_freeze_req(); - socfpga_sdram_enable(); - socfpga_uart0_enable(); - socfpga_osc1timer_enable(); + socfpga_per_reset(SOCFPGA_RESET(SDR), 0); + socfpga_per_reset(SOCFPGA_RESET(UART0), 0); + socfpga_per_reset(SOCFPGA_RESET(OSC1TIMER0), 0); timer_init(); |