Adding System Manager driver which will configure the pin mux for real hardware Cyclone V development kit (not Virtual Platform)
Signed-off-by: Chin Liang See clsee@altera.com Reviewed-by: Pavel Machek pavel@denx.de Cc: Wolfgang Denk wd@denx.de CC: Pavel Machek pavel@denx.de Cc: Dinh Nguyen dinguyen@altera.com --- Changes for v2: - Fixed the word wrap issue within patch Changes for v3: - Fixed the long subject of the patch - Fixed the comment within the code Changes for v4: - Added change log for each revision change
arch/arm/cpu/armv7/socfpga/Makefile | 2 +- arch/arm/cpu/armv7/socfpga/spl.c | 6 +++ arch/arm/cpu/armv7/socfpga/system_manager.c | 41 ++++++++++++++++++++ .../include/asm/arch-socfpga/socfpga_base_addrs.h | 1 + arch/arm/include/asm/arch-socfpga/system_manager.h | 34 ++++++++++++++++ board/altera/socfpga_cyclone5/Makefile | 4 +- include/configs/socfpga_cyclone5.h | 1 + 7 files changed, 87 insertions(+), 2 deletions(-) create mode 100644 arch/arm/cpu/armv7/socfpga/system_manager.c create mode 100644 arch/arm/include/asm/arch-socfpga/system_manager.h
diff --git a/arch/arm/cpu/armv7/socfpga/Makefile b/arch/arm/cpu/armv7/socfpga/Makefile index 518e67a..cf2829a 100644 --- a/arch/arm/cpu/armv7/socfpga/Makefile +++ b/arch/arm/cpu/armv7/socfpga/Makefile @@ -29,7 +29,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(SOC).o
SOBJS := lowlevel_init.o -COBJS-y := misc.o timer.o reset_manager.o +COBJS-y := misc.o timer.o reset_manager.o system_manager.o COBJS-$(CONFIG_SPL_BUILD) += spl.o
COBJS := $(COBJS-y) diff --git a/arch/arm/cpu/armv7/socfpga/spl.c b/arch/arm/cpu/armv7/socfpga/spl.c index 84216eb..28d8c99 100644 --- a/arch/arm/cpu/armv7/socfpga/spl.c +++ b/arch/arm/cpu/armv7/socfpga/spl.c @@ -23,6 +23,7 @@ #include <image.h> #include <asm/arch/reset_manager.h> #include <spl.h> +#include <asm/arch/system_manager.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -36,6 +37,11 @@ u32 spl_boot_device(void) */ void spl_board_init(void) { +#ifndef CONFIG_SOCFPGA_VIRTUAL_TARGET + /* configure the pin muxing through system manager */ + sysmgr_pinmux_init(); +#endif /* CONFIG_SOCFPGA_VIRTUAL_TARGET */ + /* de-assert reset for peripherals and bridges based on handoff */ reset_deassert_peripherals_handoff();
diff --git a/arch/arm/cpu/armv7/socfpga/system_manager.c b/arch/arm/cpu/armv7/socfpga/system_manager.c new file mode 100644 index 0000000..d893e97 --- /dev/null +++ b/arch/arm/cpu/armv7/socfpga/system_manager.c @@ -0,0 +1,41 @@ +/* + * Copyright Altera Corporation (C) 2013. All rights reserved + * + * This program is free software; you can redistribute it + * and/or modify it under the terms and conditions of the + * GNU General Public License, version 2, as published by + * the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * See the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this program. If not, see + * http://www.gnu.org/licenses/. + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/system_manager.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* + * Configure all the pin muxes + */ +void sysmgr_pinmux_init(void) +{ + unsigned long offset = CONFIG_SYSMGR_PINMUXGRP_OFFSET; + + const unsigned long *pval = sys_mgr_init_table; + unsigned long i; + + for (i = 0; i < ARRAY_SIZE(sys_mgr_init_table); + i++, offset += sizeof(unsigned long)) { + writel(*pval++, (SOCFPGA_SYSMGR_ADDRESS + offset)); + } +} + + diff --git a/arch/arm/include/asm/arch-socfpga/socfpga_base_addrs.h b/arch/arm/include/asm/arch-socfpga/socfpga_base_addrs.h index f353eb2..819c280 100644 --- a/arch/arm/include/asm/arch-socfpga/socfpga_base_addrs.h +++ b/arch/arm/include/asm/arch-socfpga/socfpga_base_addrs.h @@ -23,5 +23,6 @@ #define SOCFPGA_UART1_ADDRESS 0xffc03000 #define SOCFPGA_OSC1TIMER0_ADDRESS 0xffd00000 #define SOCFPGA_RSTMGR_ADDRESS 0xffd05000 +#define SOCFPGA_SYSMGR_ADDRESS 0xffd08000
#endif /* _SOCFPGA_BASE_ADDRS_H_ */ diff --git a/arch/arm/include/asm/arch-socfpga/system_manager.h b/arch/arm/include/asm/arch-socfpga/system_manager.h new file mode 100644 index 0000000..ef9e464 --- /dev/null +++ b/arch/arm/include/asm/arch-socfpga/system_manager.h @@ -0,0 +1,34 @@ +/* + * Copyright Altera Corporation (C) 2013. All rights reserved + * + * This program is free software; you can redistribute it + * and/or modify it under the terms and conditions of the + * GNU General Public License, version 2, as published by + * the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * See the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this program. If not, see + * http://www.gnu.org/licenses/. + */ + +#ifndef _SYSTEM_MANAGER_H_ +#define _SYSTEM_MANAGER_H_ + +#ifndef __ASSEMBLY__ + +void sysmgr_pinmux_init(void); + +/* declaration for handoff table type */ +extern unsigned long sys_mgr_init_table[CONFIG_HPS_PINMUX_NUM]; + +#endif + + +#define CONFIG_SYSMGR_PINMUXGRP_OFFSET (0x400) + +#endif /* _SYSTEM_MANAGER_H_ */ diff --git a/board/altera/socfpga_cyclone5/Makefile b/board/altera/socfpga_cyclone5/Makefile index 43bbc37..3092387 100644 --- a/board/altera/socfpga_cyclone5/Makefile +++ b/board/altera/socfpga_cyclone5/Makefile @@ -26,8 +26,10 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).o
-COBJS := socfpga_cyclone5.o +COBJS-y := socfpga_cyclone5.o +COBJS-$(CONFIG_SPL_BUILD) += pinmux_config.o
+COBJS := $(COBJS-y) SRCS := $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS))
diff --git a/include/configs/socfpga_cyclone5.h b/include/configs/socfpga_cyclone5.h index be3799b..dd6db9e 100644 --- a/include/configs/socfpga_cyclone5.h +++ b/include/configs/socfpga_cyclone5.h @@ -18,6 +18,7 @@ #define __CONFIG_H
#include <asm/arch/socfpga_base_addrs.h> +#include "../../board/altera/socfpga_cyclone5/pinmux_config.h"
/* * High level configuration