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 Acked-by: Dinh Nguyen dinguyen@altera.com Cc: Wolfgang Denk wd@denx.de CC: Pavel Machek pavel@denx.de Cc: Dinh Nguyen dinguyen@altera.com Cc: Tom Rini trini@ti.com Cc: Albert Aribaud albert.u.boot@aribaud.net --- Changes for v7: - Re-shuffle the change list Changes for v6: - Updated the license header for system_manager.c and .h to SPDX Changes for v5: - Updated the license header for system_manager.c - Cc: Tom Rini Changes for v4: - Added change log for each revision change Changes for v3: - Fixed the long subject of the patch - Fixed the comment within the code Changes for v2: - Fixed the word wrap issue within patch --- arch/arm/cpu/armv7/socfpga/Makefile | 2 +- arch/arm/cpu/armv7/socfpga/spl.c | 6 ++++ arch/arm/cpu/armv7/socfpga/system_manager.c | 29 ++++++++++++++++++++ .../include/asm/arch-socfpga/socfpga_base_addrs.h | 1 + arch/arm/include/asm/arch-socfpga/system_manager.h | 22 +++++++++++++++ board/altera/socfpga/Makefile | 4 ++- include/configs/socfpga_cyclone5.h | 1 + 7 files changed, 63 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 5024fc5..0859e44 100644 --- a/arch/arm/cpu/armv7/socfpga/Makefile +++ b/arch/arm/cpu/armv7/socfpga/Makefile @@ -13,7 +13,7 @@ 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 2b9be28..74bceab 100644 --- a/arch/arm/cpu/armv7/socfpga/spl.c +++ b/arch/arm/cpu/armv7/socfpga/spl.c @@ -12,6 +12,7 @@ #include <image.h> #include <asm/arch/reset_manager.h> #include <spl.h> +#include <asm/arch/system_manager.h>

DECLARE_GLOBAL_DATA_PTR;

@@ -25,6 +26,11 @@ 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..b992221 --- /dev/null +++ b/arch/arm/cpu/armv7/socfpga/system_manager.c @@ -0,0 +1,29 @@ +/* + * Copyright (C) 2013 Altera Corporation <www.altera.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#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 1182a13..50c4ebd 100644 --- a/arch/arm/include/asm/arch-socfpga/socfpga_base_addrs.h +++ b/arch/arm/include/asm/arch-socfpga/socfpga_base_addrs.h @@ -12,5 +12,6 @@ #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..d965d25 --- /dev/null +++ b/arch/arm/include/asm/arch-socfpga/system_manager.h @@ -0,0 +1,22 @@ +/* + * Copyright (C) 2013 Altera Corporation <www.altera.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#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/Makefile b/board/altera/socfpga/Makefile index 43bbc37..3092387 100644 --- a/board/altera/socfpga/Makefile +++ b/board/altera/socfpga/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 06aeba6..346ca72 100644 --- a/include/configs/socfpga_cyclone5.h +++ b/include/configs/socfpga_cyclone5.h @@ -7,6 +7,7 @@ #define __CONFIG_H

#include <asm/arch/socfpga_base_addrs.h> +#include "../../board/altera/socfpga/pinmux_config.h"

/* * High level configuration