Message ID | 1452593909-16184-3-git-send-email-purna.mandal@microchip.com |
---|---|
State | Accepted |
Commit | 32c1a6eef8b467bb776f989caf0480fce6218598 |
Delegated to: | Daniel Schwierzeck |
Headers | show |
2016-01-12 11:18 GMT+01:00 Purna Chandra Mandal <purna.mandal@microchip.com>: > Create initial directory, Kconfigs needed for PIC32 architecture > support. Also add PIC32 specific register definition required for drivers. > > Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com> maybe you could use ioremap() in pic32_get_syscfg_base(), apart from that it looks good Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> > > --- > > Changes in v3: > - drop empty choices in mach-pic32/Kconfig > - add pic32_get_syscfg_base() for device-config registers > > Changes in v2: > - move PIC32 specific headers to arch/mips/mach-pic32/include/mach/ > - define register-base as physical address > - drop CONFIG_PIC32_SUPPORTS_FDT_BOOT > > arch/mips/Kconfig | 6 +++ > arch/mips/Makefile | 1 + > arch/mips/mach-pic32/Kconfig | 7 +++ > arch/mips/mach-pic32/Makefile | 7 +++ > arch/mips/mach-pic32/cpu.c | 13 ++++++ > arch/mips/mach-pic32/include/mach/pic32.h | 76 +++++++++++++++++++++++++++++++ > 6 files changed, 110 insertions(+) > create mode 100644 arch/mips/mach-pic32/Kconfig > create mode 100644 arch/mips/mach-pic32/Makefile > create mode 100644 arch/mips/mach-pic32/cpu.c > create mode 100644 arch/mips/mach-pic32/include/mach/pic32.h > > diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig > index 1b39c4c..380ed81 100644 > --- a/arch/mips/Kconfig > +++ b/arch/mips/Kconfig > @@ -54,6 +54,11 @@ config TARGET_PB1X00 > select SYS_MIPS_CACHE_INIT_RAM_LOAD > select MIPS_TUNE_4KC > > +config MACH_PIC32 > + bool "Support Microchip PIC32" > + select OF_CONTROL > + select DM > + > endchoice > > source "board/dbau1x00/Kconfig" > @@ -61,6 +66,7 @@ source "board/imgtec/malta/Kconfig" > source "board/micronas/vct/Kconfig" > source "board/pb1x00/Kconfig" > source "board/qemu-mips/Kconfig" > +source "arch/mips/mach-pic32/Kconfig" > > if MIPS > > diff --git a/arch/mips/Makefile b/arch/mips/Makefile > index 2133e7e..aec5a15 100644 > --- a/arch/mips/Makefile > +++ b/arch/mips/Makefile > @@ -8,6 +8,7 @@ libs-y += arch/mips/cpu/ > libs-y += arch/mips/lib/ > > machine-$(CONFIG_SOC_AU1X00) += au1x00 > +machine-$(CONFIG_MACH_PIC32) += pic32 > > machdirs := $(patsubst %,arch/mips/mach-%/,$(machine-y)) > libs-y += $(machdirs) > diff --git a/arch/mips/mach-pic32/Kconfig b/arch/mips/mach-pic32/Kconfig > new file mode 100644 > index 0000000..c1cc5e3 > --- /dev/null > +++ b/arch/mips/mach-pic32/Kconfig > @@ -0,0 +1,7 @@ > +menu "Microchip PIC32 platforms" > + depends on MACH_PIC32 > + > +config SYS_SOC > + default "none" > + > +endmenu > diff --git a/arch/mips/mach-pic32/Makefile b/arch/mips/mach-pic32/Makefile > new file mode 100644 > index 0000000..cb42607 > --- /dev/null > +++ b/arch/mips/mach-pic32/Makefile > @@ -0,0 +1,7 @@ > +# (C) Copyright 2015 > +# Purna Chandra Mandal, purna.mandal@microchip.com. > +# > +# SPDX-License-Identifier: GPL-2.0+ > +# > + > +obj-y = cpu.o > diff --git a/arch/mips/mach-pic32/cpu.c b/arch/mips/mach-pic32/cpu.c > new file mode 100644 > index 0000000..58fd3ab > --- /dev/null > +++ b/arch/mips/mach-pic32/cpu.c > @@ -0,0 +1,13 @@ > +/* > + * Copyright (C) 2015 > + * Purna Chandra Mandal <purna.mandal@microchip.com> > + * > + * SPDX-License-Identifier: GPL-2.0+ > + * > + */ > +#include <common.h> > + > +phys_size_t initdram(int board_type) > +{ > + return 0; > +} > diff --git a/arch/mips/mach-pic32/include/mach/pic32.h b/arch/mips/mach-pic32/include/mach/pic32.h > new file mode 100644 > index 0000000..7e41810 > --- /dev/null > +++ b/arch/mips/mach-pic32/include/mach/pic32.h > @@ -0,0 +1,76 @@ > +/* > + * (c) 2015 Paul Thacker <paul.thacker@microchip.com> > + * > + * SPDX-License-Identifier: GPL-2.0+ > + * > + */ > + > +#ifndef __PIC32_REGS_H__ > +#define __PIC32_REGS_H__ > + > +#include <asm/io.h> > + > +/* System Configuration */ > +#define PIC32_CFG_BASE 0x1f800000 > + > +/* System config register offsets */ > +#define CFGCON 0x0000 > +#define DEVID 0x0020 > +#define SYSKEY 0x0030 > +#define PMD1 0x0040 > +#define PMD7 0x00a0 > +#define CFGEBIA 0x00c0 > +#define CFGEBIC 0x00d0 > +#define CFGPG 0x00e0 > +#define CFGMPLL 0x0100 > + > +/* Non Volatile Memory (NOR flash) */ > +#define PIC32_NVM_BASE (PIC32_CFG_BASE + 0x0600) > +/* Oscillator Configuration */ > +#define PIC32_OSC_BASE (PIC32_CFG_BASE + 0x1200) > +/* Peripheral Pin Select Input */ > +#define PPS_IN_BASE 0x1f801400 > +/* Peripheral Pin Select Output */ > +#define PPS_OUT_BASE 0x1f801500 > +/* Pin Config */ > +#define PINCTRL_BASE 0x1f860000 > + > +/* USB Core */ > +#define PIC32_USB_CORE_BASE 0x1f8e3000 > +#define PIC32_USB_CTRL_BASE 0x1f884000 > + > +/* SPI1-SPI6 */ > +#define PIC32_SPI1_BASE 0x1f821000 > + > +/* Prefetch Module */ > +#define PREFETCH_BASE 0x1f8e0000 > + > +/* DDR2 Controller */ > +#define PIC32_DDR2C_BASE 0x1f8e8000 > + > +/* DDR2 PHY */ > +#define PIC32_DDR2P_BASE 0x1f8e9100 > + > +/* EBI */ > +#define PIC32_EBI_BASE 0x1f8e1000 > + > +/* SQI */ > +#define PIC32_SQI_BASE 0x1f8e2000 > + > +struct pic32_reg_atomic { > + u32 raw; > + u32 clr; > + u32 set; > + u32 inv; > +}; > + > +#define _CLR_OFFSET 0x04 > +#define _SET_OFFSET 0x08 > +#define _INV_OFFSET 0x0c > + > +static inline void __iomem *pic32_get_syscfg_base(void) > +{ > + return (void __iomem *)CKSEG1ADDR(PIC32_CFG_BASE); > +} > + > +#endif /* __PIC32_REGS_H__ */ > -- > 1.8.3.1 >
On Tue, Jan 12, 2016 at 03:48:17PM +0530, Purna Chandra Mandal wrote: > Create initial directory, Kconfigs needed for PIC32 architecture > support. Also add PIC32 specific register definition required for drivers. > > Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com> > Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 1b39c4c..380ed81 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -54,6 +54,11 @@ config TARGET_PB1X00 select SYS_MIPS_CACHE_INIT_RAM_LOAD select MIPS_TUNE_4KC +config MACH_PIC32 + bool "Support Microchip PIC32" + select OF_CONTROL + select DM + endchoice source "board/dbau1x00/Kconfig" @@ -61,6 +66,7 @@ source "board/imgtec/malta/Kconfig" source "board/micronas/vct/Kconfig" source "board/pb1x00/Kconfig" source "board/qemu-mips/Kconfig" +source "arch/mips/mach-pic32/Kconfig" if MIPS diff --git a/arch/mips/Makefile b/arch/mips/Makefile index 2133e7e..aec5a15 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -8,6 +8,7 @@ libs-y += arch/mips/cpu/ libs-y += arch/mips/lib/ machine-$(CONFIG_SOC_AU1X00) += au1x00 +machine-$(CONFIG_MACH_PIC32) += pic32 machdirs := $(patsubst %,arch/mips/mach-%/,$(machine-y)) libs-y += $(machdirs) diff --git a/arch/mips/mach-pic32/Kconfig b/arch/mips/mach-pic32/Kconfig new file mode 100644 index 0000000..c1cc5e3 --- /dev/null +++ b/arch/mips/mach-pic32/Kconfig @@ -0,0 +1,7 @@ +menu "Microchip PIC32 platforms" + depends on MACH_PIC32 + +config SYS_SOC + default "none" + +endmenu diff --git a/arch/mips/mach-pic32/Makefile b/arch/mips/mach-pic32/Makefile new file mode 100644 index 0000000..cb42607 --- /dev/null +++ b/arch/mips/mach-pic32/Makefile @@ -0,0 +1,7 @@ +# (C) Copyright 2015 +# Purna Chandra Mandal, purna.mandal@microchip.com. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y = cpu.o diff --git a/arch/mips/mach-pic32/cpu.c b/arch/mips/mach-pic32/cpu.c new file mode 100644 index 0000000..58fd3ab --- /dev/null +++ b/arch/mips/mach-pic32/cpu.c @@ -0,0 +1,13 @@ +/* + * Copyright (C) 2015 + * Purna Chandra Mandal <purna.mandal@microchip.com> + * + * SPDX-License-Identifier: GPL-2.0+ + * + */ +#include <common.h> + +phys_size_t initdram(int board_type) +{ + return 0; +} diff --git a/arch/mips/mach-pic32/include/mach/pic32.h b/arch/mips/mach-pic32/include/mach/pic32.h new file mode 100644 index 0000000..7e41810 --- /dev/null +++ b/arch/mips/mach-pic32/include/mach/pic32.h @@ -0,0 +1,76 @@ +/* + * (c) 2015 Paul Thacker <paul.thacker@microchip.com> + * + * SPDX-License-Identifier: GPL-2.0+ + * + */ + +#ifndef __PIC32_REGS_H__ +#define __PIC32_REGS_H__ + +#include <asm/io.h> + +/* System Configuration */ +#define PIC32_CFG_BASE 0x1f800000 + +/* System config register offsets */ +#define CFGCON 0x0000 +#define DEVID 0x0020 +#define SYSKEY 0x0030 +#define PMD1 0x0040 +#define PMD7 0x00a0 +#define CFGEBIA 0x00c0 +#define CFGEBIC 0x00d0 +#define CFGPG 0x00e0 +#define CFGMPLL 0x0100 + +/* Non Volatile Memory (NOR flash) */ +#define PIC32_NVM_BASE (PIC32_CFG_BASE + 0x0600) +/* Oscillator Configuration */ +#define PIC32_OSC_BASE (PIC32_CFG_BASE + 0x1200) +/* Peripheral Pin Select Input */ +#define PPS_IN_BASE 0x1f801400 +/* Peripheral Pin Select Output */ +#define PPS_OUT_BASE 0x1f801500 +/* Pin Config */ +#define PINCTRL_BASE 0x1f860000 + +/* USB Core */ +#define PIC32_USB_CORE_BASE 0x1f8e3000 +#define PIC32_USB_CTRL_BASE 0x1f884000 + +/* SPI1-SPI6 */ +#define PIC32_SPI1_BASE 0x1f821000 + +/* Prefetch Module */ +#define PREFETCH_BASE 0x1f8e0000 + +/* DDR2 Controller */ +#define PIC32_DDR2C_BASE 0x1f8e8000 + +/* DDR2 PHY */ +#define PIC32_DDR2P_BASE 0x1f8e9100 + +/* EBI */ +#define PIC32_EBI_BASE 0x1f8e1000 + +/* SQI */ +#define PIC32_SQI_BASE 0x1f8e2000 + +struct pic32_reg_atomic { + u32 raw; + u32 clr; + u32 set; + u32 inv; +}; + +#define _CLR_OFFSET 0x04 +#define _SET_OFFSET 0x08 +#define _INV_OFFSET 0x0c + +static inline void __iomem *pic32_get_syscfg_base(void) +{ + return (void __iomem *)CKSEG1ADDR(PIC32_CFG_BASE); +} + +#endif /* __PIC32_REGS_H__ */
Create initial directory, Kconfigs needed for PIC32 architecture support. Also add PIC32 specific register definition required for drivers. Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com> --- Changes in v3: - drop empty choices in mach-pic32/Kconfig - add pic32_get_syscfg_base() for device-config registers Changes in v2: - move PIC32 specific headers to arch/mips/mach-pic32/include/mach/ - define register-base as physical address - drop CONFIG_PIC32_SUPPORTS_FDT_BOOT arch/mips/Kconfig | 6 +++ arch/mips/Makefile | 1 + arch/mips/mach-pic32/Kconfig | 7 +++ arch/mips/mach-pic32/Makefile | 7 +++ arch/mips/mach-pic32/cpu.c | 13 ++++++ arch/mips/mach-pic32/include/mach/pic32.h | 76 +++++++++++++++++++++++++++++++ 6 files changed, 110 insertions(+) create mode 100644 arch/mips/mach-pic32/Kconfig create mode 100644 arch/mips/mach-pic32/Makefile create mode 100644 arch/mips/mach-pic32/cpu.c create mode 100644 arch/mips/mach-pic32/include/mach/pic32.h