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ARM: uniphier: refactor SBC init code 

There is a bunch of duplication in the System Bus Controller init
code.  Roughly, there are two types in the SBC mode:  Adress/Data
Multiplex Mode and Save Pins Mode.  Consolidate per-SoC functions
into the two, plus per-SoC optional init code.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
utp
Masahiro Yamada 2016-03-18 16:41:44 +09:00
parent ea65c98050
commit 5d0607c58c
14 changed files with 105 additions and 145 deletions
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22
arch/arm/mach-uniphier/init.h
View File

@ -34,27 +34,33 @@ int ph1_pro5_init(const struct uniphier_board_data *bd);
int proxstream2_init(const struct uniphier_board_data *bd);
#if defined(CONFIG_MICRO_SUPPORT_CARD)
int ph1_sld3_sbc_init(const struct uniphier_board_data *bd);
int ph1_ld4_sbc_init(const struct uniphier_board_data *bd);
int ph1_pro4_sbc_init(const struct uniphier_board_data *bd);
int proxstream2_sbc_init(const struct uniphier_board_data *bd);
int sbc_admulti_init(const struct uniphier_board_data *bd);
int sbc_savepin_init(const struct uniphier_board_data *bd);
int uniphier_sld3_sbc_init(const struct uniphier_board_data *bd);
int uniphier_ld4_sbc_init(const struct uniphier_board_data *bd);
int uniphier_pxs2_sbc_init(const struct uniphier_board_data *bd);
#else
static inline int ph1_sld3_sbc_init(const struct uniphier_board_data *bd)
static inline int sbc_admulti_init(const struct uniphier_board_data *bd)
{
return 0;
}
static inline int ph1_ld4_sbc_init(const struct uniphier_board_data *bd)
static inline int sbc_savepin_init(const struct uniphier_board_data *bd)
{
return 0;
}
static inline int ph1_pro4_sbc_init(const struct uniphier_board_data *bd)
static inline int uniphier_sld3_sbc_init(const struct uniphier_board_data *bd)
{
return 0;
}
static inline int proxstream2_sbc_init(const struct uniphier_board_data *bd)
static inline int uniphier_ld4_sbc_init(const struct uniphier_board_data *bd)
{
return 0;
}
static inline int uniphier_pxs2_sbc_init(const struct uniphier_board_data *bd)
{
return 0;
}

3
arch/arm/mach-uniphier/init/init-ld4.c
View File

@ -14,7 +14,8 @@ int ph1_ld4_init(const struct uniphier_board_data *bd)
{
ph1_ld4_bcu_init(bd);
ph1_ld4_sbc_init(bd);
sbc_savepin_init(bd);
uniphier_ld4_sbc_init(bd);
support_card_reset();

2
arch/arm/mach-uniphier/init/init-pro4.c
View File

@ -12,7 +12,7 @@
int ph1_pro4_init(const struct uniphier_board_data *bd)
{
ph1_pro4_sbc_init(bd);
sbc_savepin_init(bd);
support_card_reset();

2
arch/arm/mach-uniphier/init/init-pro5.c
View File

@ -12,7 +12,7 @@
int ph1_pro5_init(const struct uniphier_board_data *bd)
{
ph1_pro4_sbc_init(bd);
sbc_savepin_init(bd);
support_card_reset();

3
arch/arm/mach-uniphier/init/init-pxs2.c
View File

@ -14,7 +14,8 @@ int proxstream2_init(const struct uniphier_board_data *bd)
{
int ret;
proxstream2_sbc_init(bd);
sbc_savepin_init(bd);
uniphier_pxs2_sbc_init(bd);
support_card_reset();

3
arch/arm/mach-uniphier/init/init-sld3.c
View File

@ -14,7 +14,8 @@ int ph1_sld3_init(const struct uniphier_board_data *bd)
{
ph1_sld3_bcu_init(bd);
ph1_sld3_sbc_init(bd);
sbc_admulti_init(bd);
uniphier_sld3_sbc_init(bd);
support_card_reset();

3
arch/arm/mach-uniphier/init/init-sld8.c
View File

@ -14,7 +14,8 @@ int ph1_sld8_init(const struct uniphier_board_data *bd)
{
ph1_ld4_bcu_init(bd);
ph1_ld4_sbc_init(bd);
sbc_savepin_init(bd);
uniphier_ld4_sbc_init(bd);
support_card_reset();

14
arch/arm/mach-uniphier/sbc/Makefile
View File

@ -2,10 +2,10 @@
# SPDX-License-Identifier: GPL-2.0+
#
obj-$(CONFIG_ARCH_UNIPHIER_SLD3) += sbc-sld3.o
obj-$(CONFIG_ARCH_UNIPHIER_LD4) += sbc-ld4.o
obj-$(CONFIG_ARCH_UNIPHIER_PRO4) += sbc-pro4.o
obj-$(CONFIG_ARCH_UNIPHIER_SLD8) += sbc-ld4.o
obj-$(CONFIG_ARCH_UNIPHIER_PRO5) += sbc-pro4.o
obj-$(CONFIG_ARCH_UNIPHIER_PXS2) += sbc-pxs2.o
obj-$(CONFIG_ARCH_UNIPHIER_LD6B) += sbc-pxs2.o
obj-$(CONFIG_ARCH_UNIPHIER_SLD3) += sbc-admulti.o sbc-sld3.o
obj-$(CONFIG_ARCH_UNIPHIER_LD4) += sbc-savepin.o sbc-ld4.o
obj-$(CONFIG_ARCH_UNIPHIER_PRO4) += sbc-savepin.o
obj-$(CONFIG_ARCH_UNIPHIER_SLD8) += sbc-savepin.o sbc-ld4.o
obj-$(CONFIG_ARCH_UNIPHIER_PRO5) += sbc-savepin.o
obj-$(CONFIG_ARCH_UNIPHIER_PXS2) += sbc-savepin.o sbc-pxs2.o
obj-$(CONFIG_ARCH_UNIPHIER_LD6B) += sbc-savepin.o sbc-pxs2.o

17
arch/arm/mach-uniphier/sbc/sbc-pro4.c → arch/arm/mach-uniphier/sbc/sbc-admulti.c
View File

@ -11,16 +11,23 @@
#include "../sg-regs.h"
#include "sbc-regs.h"
int ph1_pro4_sbc_init(const struct uniphier_board_data *bd)
#define SBCTRL0_ADMULTIPLX_PERI_VALUE 0x33120000
#define SBCTRL1_ADMULTIPLX_PERI_VALUE 0x03005500
#define SBCTRL2_ADMULTIPLX_PERI_VALUE 0x14000020
#define SBCTRL0_ADMULTIPLX_MEM_VALUE 0x33120000
#define SBCTRL1_ADMULTIPLX_MEM_VALUE 0x03005500
#define SBCTRL2_ADMULTIPLX_MEM_VALUE 0x14000010
int sbc_admulti_init(const struct uniphier_board_data *bd)
{
/*
* Only CS1 is connected to support card.
* BKSZ[1:0] should be set to "01".
*/
writel(SBCTRL0_SAVEPIN_PERI_VALUE, SBCTRL10);
writel(SBCTRL1_SAVEPIN_PERI_VALUE, SBCTRL11);
writel(SBCTRL2_SAVEPIN_PERI_VALUE, SBCTRL12);
writel(SBCTRL4_SAVEPIN_PERI_VALUE, SBCTRL14);
writel(SBCTRL0_ADMULTIPLX_MEM_VALUE, SBCTRL10);
writel(SBCTRL1_ADMULTIPLX_MEM_VALUE, SBCTRL11);
writel(SBCTRL2_ADMULTIPLX_MEM_VALUE, SBCTRL12);
if (boot_is_swapped()) {
/*

35
arch/arm/mach-uniphier/sbc/sbc-ld4.c
View File

@ -1,17 +1,15 @@
/*
* Copyright (C) 2011-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
* Copyright (C) 2011-2016 Masahiro Yamada <yamada.masahiro@socionext.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <linux/io.h>
#include "../init.h"
#include "../sg-regs.h"
#include "sbc-regs.h"
int ph1_ld4_sbc_init(const struct uniphier_board_data *bd)
int uniphier_ld4_sbc_init(const struct uniphier_board_data *bd)
{
u32 tmp;
@ -20,34 +18,5 @@ int ph1_ld4_sbc_init(const struct uniphier_board_data *bd)
tmp &= 0xfffffcff;
writel(tmp, PC0CTRL);
/*
* Only CS1 is connected to support card.
* BKSZ[1:0] should be set to "01".
*/
writel(SBCTRL0_SAVEPIN_PERI_VALUE, SBCTRL10);
writel(SBCTRL1_SAVEPIN_PERI_VALUE, SBCTRL11);
writel(SBCTRL2_SAVEPIN_PERI_VALUE, SBCTRL12);
writel(SBCTRL4_SAVEPIN_PERI_VALUE, SBCTRL14);
if (boot_is_swapped()) {
/*
* Boot Swap On: boot from external NOR/SRAM
* 0x42000000-0x43ffffff is a mirror of 0x40000000-0x41ffffff.
*
* 0x40000000-0x41efffff, 0x42000000-0x43efffff: memory bank
* 0x41f00000-0x41ffffff, 0x43f00000-0x43ffffff: peripherals
*/
writel(0x0000bc01, SBBASE0);
} else {
/*
* Boot Swap Off: boot from mask ROM
* 0x40000000-0x41ffffff: mask ROM
* 0x42000000-0x43efffff: memory bank (31MB)
* 0x43f00000-0x43ffffff: peripherals (1MB)
*/
writel(0x0000be01, SBBASE0); /* dummy */
writel(0x0200be01, SBBASE1);
}
return 0;
}

34
arch/arm/mach-uniphier/sbc/sbc-pxs2.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (C) 2015 Masahiro Yamada <yamada.masahiro@socionext.com>
* Copyright (C) 2015-2016 Masahiro Yamada <yamada.masahiro@socionext.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
@ -7,43 +7,13 @@
#include <linux/io.h>
#include "../init.h"
#include "../sg-regs.h"
#include "sbc-regs.h"
int proxstream2_sbc_init(const struct uniphier_board_data *bd)
int uniphier_pxs2_sbc_init(const struct uniphier_board_data *bd)
{
/* necessary for ROM boot ?? */
/* system bus output enable */
writel(0x17, PC0CTRL);
/*
* Only CS1 is connected to support card.
* BKSZ[1:0] should be set to "01".
*/
writel(SBCTRL0_SAVEPIN_PERI_VALUE, SBCTRL10);
writel(SBCTRL1_SAVEPIN_PERI_VALUE, SBCTRL11);
writel(SBCTRL2_SAVEPIN_PERI_VALUE, SBCTRL12);
writel(SBCTRL4_SAVEPIN_PERI_VALUE, SBCTRL14);
if (boot_is_swapped()) {
/*
* Boot Swap On: boot from external NOR/SRAM
* 0x42000000-0x43ffffff is a mirror of 0x40000000-0x41ffffff.
*
* 0x40000000-0x41efffff, 0x42000000-0x43efffff: memory bank
* 0x41f00000-0x41ffffff, 0x43f00000-0x43ffffff: peripherals
*/
writel(0x0000bc01, SBBASE0);
} else {
/*
* Boot Swap Off: boot from mask ROM
* 0x40000000-0x41ffffff: mask ROM
* 0x42000000-0x43efffff: memory bank (31MB)
* 0x43f00000-0x43ffffff: peripherals (1MB)
*/
writel(0x0000be01, SBBASE0); /* dummy */
writel(0x0200be01, SBBASE1);
}
return 0;
}

21
arch/arm/mach-uniphier/sbc/sbc-regs.h
View File

@ -74,27 +74,6 @@
#define SBCTRL73 SBCTRL(7, 3)
#define SBCTRL74 (SBCTRL_BASE + 0x170)
/* slower but LED works */
#define SBCTRL0_SAVEPIN_PERI_VALUE 0x55450000
#define SBCTRL1_SAVEPIN_PERI_VALUE 0x07168d00
#define SBCTRL2_SAVEPIN_PERI_VALUE 0x34000009
#define SBCTRL4_SAVEPIN_PERI_VALUE 0x02110110
/* faster but LED does not work */
#define SBCTRL0_SAVEPIN_MEM_VALUE 0x55450000
#define SBCTRL1_SAVEPIN_MEM_VALUE 0x06057700
/* NOR flash needs more wait counts than SRAM */
#define SBCTRL2_SAVEPIN_MEM_VALUE 0x34000009
#define SBCTRL4_SAVEPIN_MEM_VALUE 0x02110210
#define SBCTRL0_ADMULTIPLX_PERI_VALUE 0x33120000
#define SBCTRL1_ADMULTIPLX_PERI_VALUE 0x03005500
#define SBCTRL2_ADMULTIPLX_PERI_VALUE 0x14000020
#define SBCTRL0_ADMULTIPLX_MEM_VALUE 0x33120000
#define SBCTRL1_ADMULTIPLX_MEM_VALUE 0x03005500
#define SBCTRL2_ADMULTIPLX_MEM_VALUE 0x14000010
#define PC0CTRL 0x598000c0
#define ROM_BOOT_ROMRSV2 0x59801208

57
arch/arm/mach-uniphier/sbc/sbc-savepin.c 100644
View File

@ -0,0 +1,57 @@
/*
* Copyright (C) 2011-2016 Masahiro Yamada <yamada.masahiro@socionext.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <linux/io.h>
#include "../init.h"
#include "sbc-regs.h"
/* slower but LED works */
#define SBCTRL0_SAVEPIN_PERI_VALUE 0x55450000
#define SBCTRL1_SAVEPIN_PERI_VALUE 0x07168d00
#define SBCTRL2_SAVEPIN_PERI_VALUE 0x34000009
#define SBCTRL4_SAVEPIN_PERI_VALUE 0x02110110
/* faster but LED does not work */
#define SBCTRL0_SAVEPIN_MEM_VALUE 0x55450000
#define SBCTRL1_SAVEPIN_MEM_VALUE 0x06057700
/* NOR flash needs more wait counts than SRAM */
#define SBCTRL2_SAVEPIN_MEM_VALUE 0x34000009
#define SBCTRL4_SAVEPIN_MEM_VALUE 0x02110210
int sbc_savepin_init(const struct uniphier_board_data *bd)
{
/*
* Only CS1 is connected to support card.
* BKSZ[1:0] should be set to "01".
*/
writel(SBCTRL0_SAVEPIN_PERI_VALUE, SBCTRL10);
writel(SBCTRL1_SAVEPIN_PERI_VALUE, SBCTRL11);
writel(SBCTRL2_SAVEPIN_PERI_VALUE, SBCTRL12);
writel(SBCTRL4_SAVEPIN_PERI_VALUE, SBCTRL14);
if (boot_is_swapped()) {
/*
* Boot Swap On: boot from external NOR/SRAM
* 0x42000000-0x43ffffff is a mirror of 0x40000000-0x41ffffff.
*
* 0x40000000-0x41efffff, 0x42000000-0x43efffff: memory bank
* 0x41f00000-0x41ffffff, 0x43f00000-0x43ffffff: peripherals
*/
writel(0x0000bc01, SBBASE0);
} else {
/*
* Boot Swap Off: boot from mask ROM
* 0x40000000-0x41ffffff: mask ROM
* 0x42000000-0x43efffff: memory bank (31MB)
* 0x43f00000-0x43ffffff: peripherals (1MB)
*/
writel(0x0000be01, SBBASE0); /* dummy */
writel(0x0200be01, SBBASE1);
}
return 0;
}

34
arch/arm/mach-uniphier/sbc/sbc-sld3.c
View File

@ -4,45 +4,13 @@
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <linux/io.h>
#include "../init.h"
#include "../sg-regs.h"
#include "sbc-regs.h"
int ph1_sld3_sbc_init(const struct uniphier_board_data *bd)
int uniphier_sld3_sbc_init(const struct uniphier_board_data *bd)
{
/* only address/data multiplex mode is supported */
/*
* Only CS1 is connected to support card.
* BKSZ[1:0] should be set to "01".
*/
writel(SBCTRL0_ADMULTIPLX_MEM_VALUE, SBCTRL10);
writel(SBCTRL1_ADMULTIPLX_MEM_VALUE, SBCTRL11);
writel(SBCTRL2_ADMULTIPLX_MEM_VALUE, SBCTRL12);
if (boot_is_swapped()) {
/*
* Boot Swap On: boot from external NOR/SRAM
* 0x42000000-0x43ffffff is a mirror of 0x40000000-0x41ffffff.
*
* 0x40000000-0x41efffff, 0x42000000-0x43efffff: memory bank
* 0x41f00000-0x41ffffff, 0x43f00000-0x43ffffff: peripherals
*/
writel(0x0000bc01, SBBASE0);
} else {
/*
* Boot Swap Off: boot from mask ROM
* 0x40000000-0x41ffffff: mask ROM
* 0x42000000-0x43efffff: memory bank (31MB)
* 0x43f00000-0x43ffffff: peripherals (1MB)
*/
writel(0x0000be01, SBBASE0); /* dummy */
writel(0x0200be01, SBBASE1);
}
sg_set_pinsel(99, 1, 4, 4); /* GPIO26 -> EA24 */
return 0;