From 5d0607c58c02204c7ec02f0f4d6bd268929961ee Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Fri, 18 Mar 2016 16:41:44 +0900 Subject: [PATCH] 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 --- arch/arm/mach-uniphier/init.h | 22 ++++--- arch/arm/mach-uniphier/init/init-ld4.c | 3 +- arch/arm/mach-uniphier/init/init-pro4.c | 2 +- arch/arm/mach-uniphier/init/init-pro5.c | 2 +- arch/arm/mach-uniphier/init/init-pxs2.c | 3 +- arch/arm/mach-uniphier/init/init-sld3.c | 3 +- arch/arm/mach-uniphier/init/init-sld8.c | 3 +- arch/arm/mach-uniphier/sbc/Makefile | 14 ++--- .../sbc/{sbc-pro4.c => sbc-admulti.c} | 17 ++++-- arch/arm/mach-uniphier/sbc/sbc-ld4.c | 35 +----------- arch/arm/mach-uniphier/sbc/sbc-pxs2.c | 34 +---------- arch/arm/mach-uniphier/sbc/sbc-regs.h | 21 ------- arch/arm/mach-uniphier/sbc/sbc-savepin.c | 57 +++++++++++++++++++ arch/arm/mach-uniphier/sbc/sbc-sld3.c | 34 +---------- 14 files changed, 105 insertions(+), 145 deletions(-) rename arch/arm/mach-uniphier/sbc/{sbc-pro4.c => sbc-admulti.c} (64%) create mode 100644 arch/arm/mach-uniphier/sbc/sbc-savepin.c diff --git a/arch/arm/mach-uniphier/init.h b/arch/arm/mach-uniphier/init.h index e969fd0c4e..cef9d621c9 100644 --- a/arch/arm/mach-uniphier/init.h +++ b/arch/arm/mach-uniphier/init.h @@ -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; } diff --git a/arch/arm/mach-uniphier/init/init-ld4.c b/arch/arm/mach-uniphier/init/init-ld4.c index a9c6d72e0b..5295cd0316 100644 --- a/arch/arm/mach-uniphier/init/init-ld4.c +++ b/arch/arm/mach-uniphier/init/init-ld4.c @@ -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(); diff --git a/arch/arm/mach-uniphier/init/init-pro4.c b/arch/arm/mach-uniphier/init/init-pro4.c index 6fcd8b6c85..456fb48bd7 100644 --- a/arch/arm/mach-uniphier/init/init-pro4.c +++ b/arch/arm/mach-uniphier/init/init-pro4.c @@ -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(); diff --git a/arch/arm/mach-uniphier/init/init-pro5.c b/arch/arm/mach-uniphier/init/init-pro5.c index 45c65cf49a..c2c68031b4 100644 --- a/arch/arm/mach-uniphier/init/init-pro5.c +++ b/arch/arm/mach-uniphier/init/init-pro5.c @@ -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(); diff --git a/arch/arm/mach-uniphier/init/init-pxs2.c b/arch/arm/mach-uniphier/init/init-pxs2.c index 029c544997..2d4b6fbb9b 100644 --- a/arch/arm/mach-uniphier/init/init-pxs2.c +++ b/arch/arm/mach-uniphier/init/init-pxs2.c @@ -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(); diff --git a/arch/arm/mach-uniphier/init/init-sld3.c b/arch/arm/mach-uniphier/init/init-sld3.c index 7827ec0bdc..c48126fd1c 100644 --- a/arch/arm/mach-uniphier/init/init-sld3.c +++ b/arch/arm/mach-uniphier/init/init-sld3.c @@ -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(); diff --git a/arch/arm/mach-uniphier/init/init-sld8.c b/arch/arm/mach-uniphier/init/init-sld8.c index 6c96aede2a..1f31ca697b 100644 --- a/arch/arm/mach-uniphier/init/init-sld8.c +++ b/arch/arm/mach-uniphier/init/init-sld8.c @@ -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(); diff --git a/arch/arm/mach-uniphier/sbc/Makefile b/arch/arm/mach-uniphier/sbc/Makefile index 87220a6432..e515af9439 100644 --- a/arch/arm/mach-uniphier/sbc/Makefile +++ b/arch/arm/mach-uniphier/sbc/Makefile @@ -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 diff --git a/arch/arm/mach-uniphier/sbc/sbc-pro4.c b/arch/arm/mach-uniphier/sbc/sbc-admulti.c similarity index 64% rename from arch/arm/mach-uniphier/sbc/sbc-pro4.c rename to arch/arm/mach-uniphier/sbc/sbc-admulti.c index 8313c5a3e5..8e9f8ebbf4 100644 --- a/arch/arm/mach-uniphier/sbc/sbc-pro4.c +++ b/arch/arm/mach-uniphier/sbc/sbc-admulti.c @@ -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()) { /* diff --git a/arch/arm/mach-uniphier/sbc/sbc-ld4.c b/arch/arm/mach-uniphier/sbc/sbc-ld4.c index fcce43cb99..12bee79fd6 100644 --- a/arch/arm/mach-uniphier/sbc/sbc-ld4.c +++ b/arch/arm/mach-uniphier/sbc/sbc-ld4.c @@ -1,17 +1,15 @@ /* - * Copyright (C) 2011-2015 Masahiro Yamada + * Copyright (C) 2011-2016 Masahiro Yamada * * SPDX-License-Identifier: GPL-2.0+ */ -#include #include #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; } diff --git a/arch/arm/mach-uniphier/sbc/sbc-pxs2.c b/arch/arm/mach-uniphier/sbc/sbc-pxs2.c index 0d9ffe153f..acbf4c53fb 100644 --- a/arch/arm/mach-uniphier/sbc/sbc-pxs2.c +++ b/arch/arm/mach-uniphier/sbc/sbc-pxs2.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2015 Masahiro Yamada + * Copyright (C) 2015-2016 Masahiro Yamada * * SPDX-License-Identifier: GPL-2.0+ */ @@ -7,43 +7,13 @@ #include #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; } diff --git a/arch/arm/mach-uniphier/sbc/sbc-regs.h b/arch/arm/mach-uniphier/sbc/sbc-regs.h index 493363bb64..a5dca74a55 100644 --- a/arch/arm/mach-uniphier/sbc/sbc-regs.h +++ b/arch/arm/mach-uniphier/sbc/sbc-regs.h @@ -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 diff --git a/arch/arm/mach-uniphier/sbc/sbc-savepin.c b/arch/arm/mach-uniphier/sbc/sbc-savepin.c new file mode 100644 index 0000000000..e3e3daa688 --- /dev/null +++ b/arch/arm/mach-uniphier/sbc/sbc-savepin.c @@ -0,0 +1,57 @@ +/* + * Copyright (C) 2011-2016 Masahiro Yamada + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include + +#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; +} diff --git a/arch/arm/mach-uniphier/sbc/sbc-sld3.c b/arch/arm/mach-uniphier/sbc/sbc-sld3.c index c03c2843a6..ac9d0301be 100644 --- a/arch/arm/mach-uniphier/sbc/sbc-sld3.c +++ b/arch/arm/mach-uniphier/sbc/sbc-sld3.c @@ -4,45 +4,13 @@ * SPDX-License-Identifier: GPL-2.0+ */ -#include #include #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;