[U-Boot] [RESEND PATCH v7 1/2] socfpga: Adding System Manager driver

Chin Liang See
2013-09-11T16:24:48Z

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
--
1.7.9.5