From cb20fe8f0b9ad9a9d48e243f7f72ab277b75a00f Mon Sep 17 00:00:00 2001 From: Simon Goldschmidt Date: Mon, 15 Jul 2019 21:47:52 +0200 Subject: arm: socfpga: rst: add register definition for cold reset This adds a define for the bit in rstmgr's ctrl regiser that issues a cold reset (we had a define for the warm reset bit only) in preparation for a proper sysrese driver. Signed-off-by: Simon Goldschmidt Series changes: 2 - separate this patch to the register descriptions from the actual sysreset driver patch --- arch/arm/mach-socfpga/include/mach/reset_manager.h | 1 + 1 file changed, 1 insertion(+) (limited to 'arch') diff --git a/arch/arm/mach-socfpga/include/mach/reset_manager.h b/arch/arm/mach-socfpga/include/mach/reset_manager.h index 42beaecdd6..6ad037e325 100644 --- a/arch/arm/mach-socfpga/include/mach/reset_manager.h +++ b/arch/arm/mach-socfpga/include/mach/reset_manager.h @@ -11,6 +11,7 @@ void reset_cpu(ulong addr); void socfpga_per_reset(u32 reset, int set); void socfpga_per_reset_all(void); +#define RSTMGR_CTRL_SWCOLDRSTREQ_LSB 0 #define RSTMGR_CTRL_SWWARMRSTREQ_LSB 1 /* -- cgit v1.2.1 From ef72ba0b87ece8698c7126101f2deeb78c73e357 Mon Sep 17 00:00:00 2001 From: Simon Goldschmidt Date: Mon, 15 Jul 2019 21:47:55 +0200 Subject: sysreset: add support for socfpga sysreset This moves sysreset support for socfgpa from ad-hoc code in mach-socfpga to a UCLASS_SYSRESET based dm driver. A side effect is that gen5 and a10 can now select between cold and warm reset. Signed-off-by: Simon Goldschmidt --- arch/arm/Kconfig | 4 ++++ arch/arm/mach-socfpga/Makefile | 1 - arch/arm/mach-socfpga/reset_manager.c | 41 ----------------------------------- 3 files changed, 4 insertions(+), 42 deletions(-) delete mode 100644 arch/arm/mach-socfpga/reset_manager.c (limited to 'arch') diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 51d4acedac..0fc18138a5 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -895,10 +895,14 @@ config ARCH_SOCFPGA select SPL_OF_CONTROL select SPL_SEPARATE_BSS if TARGET_SOCFPGA_STRATIX10 select SPL_SERIAL_SUPPORT + select SPL_SYSRESET select SPL_WATCHDOG_SUPPORT select SUPPORT_SPL select SYS_NS16550 select SYS_THUMB_BUILD if TARGET_SOCFPGA_GEN5 || TARGET_SOCFPGA_ARRIA10 + select SYSRESET + select SYSRESET_SOCFPGA if TARGET_SOCFPGA_GEN5 || TARGET_SOCFPGA_ARRIA10 + select SYSRESET_SOCFPGA_STRATIX10 if TARGET_SOCFPGA_STRATIX10 imply CMD_DM imply CMD_MTDPARTS imply CRC32_VERIFY diff --git a/arch/arm/mach-socfpga/Makefile b/arch/arm/mach-socfpga/Makefile index e66720447f..fc1181cb27 100644 --- a/arch/arm/mach-socfpga/Makefile +++ b/arch/arm/mach-socfpga/Makefile @@ -8,7 +8,6 @@ obj-y += board.o obj-y += clock_manager.o obj-y += misc.o -obj-y += reset_manager.o ifdef CONFIG_TARGET_SOCFPGA_GEN5 obj-y += clock_manager_gen5.o diff --git a/arch/arm/mach-socfpga/reset_manager.c b/arch/arm/mach-socfpga/reset_manager.c deleted file mode 100644 index e0a01ed07a..0000000000 --- a/arch/arm/mach-socfpga/reset_manager.c +++ /dev/null @@ -1,41 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Copyright (C) 2013 Altera Corporation - */ - - -#include -#include -#include - -#if defined(CONFIG_TARGET_SOCFPGA_STRATIX10) -#include -#endif - -DECLARE_GLOBAL_DATA_PTR; - -#if !defined(CONFIG_TARGET_SOCFPGA_STRATIX10) -static const struct socfpga_reset_manager *reset_manager_base = - (void *)SOCFPGA_RSTMGR_ADDRESS; -#endif - -/* - * Write the reset manager register to cause reset - */ -void reset_cpu(ulong addr) -{ - /* request a warm reset */ -#if defined(CONFIG_TARGET_SOCFPGA_STRATIX10) - puts("Mailbox: Issuing mailbox cmd REBOOT_HPS\n"); - mbox_reset_cold(); -#else - writel(1 << RSTMGR_CTRL_SWWARMRSTREQ_LSB, - &reset_manager_base->ctrl); -#endif - /* - * infinite loop here as watchdog will trigger and reset - * the processor - */ - while (1) - ; -} -- cgit v1.2.1