diff options
| -rw-r--r-- | arch/arm/plat-stmp3xxx/include/mach/clkdev.h | 18 | ||||
| -rw-r--r-- | arch/arm/plat-stmp3xxx/include/mach/cputype.h | 33 | ||||
| -rw-r--r-- | arch/arm/plat-stmp3xxx/include/mach/debug-macro.S | 42 | ||||
| -rw-r--r-- | arch/arm/plat-stmp3xxx/include/mach/dma.h | 155 | ||||
| -rw-r--r-- | arch/arm/plat-stmp3xxx/include/mach/gpio.h | 28 | ||||
| -rw-r--r-- | arch/arm/plat-stmp3xxx/include/mach/hardware.h | 32 | ||||
| -rw-r--r-- | arch/arm/plat-stmp3xxx/include/mach/io.h | 25 | ||||
| -rw-r--r-- | arch/arm/plat-stmp3xxx/include/mach/memory.h | 22 | ||||
| -rw-r--r-- | arch/arm/plat-stmp3xxx/include/mach/pinmux.h | 158 | ||||
| -rw-r--r-- | arch/arm/plat-stmp3xxx/include/mach/pins.h | 30 | ||||
| -rw-r--r-- | arch/arm/plat-stmp3xxx/include/mach/platform.h | 47 | ||||
| -rw-r--r-- | arch/arm/plat-stmp3xxx/include/mach/stmp3xxx.h | 34 | ||||
| -rw-r--r-- | arch/arm/plat-stmp3xxx/include/mach/stmp3xxx_regs.h | 195 | ||||
| -rw-r--r-- | arch/arm/plat-stmp3xxx/include/mach/system.h | 47 | ||||
| -rw-r--r-- | arch/arm/plat-stmp3xxx/include/mach/timex.h | 20 | ||||
| -rw-r--r-- | arch/arm/plat-stmp3xxx/include/mach/uncompress.h | 53 | ||||
| -rw-r--r-- | arch/arm/plat-stmp3xxx/include/mach/vmalloc.h | 12 |
17 files changed, 951 insertions, 0 deletions
diff --git a/arch/arm/plat-stmp3xxx/include/mach/clkdev.h b/arch/arm/plat-stmp3xxx/include/mach/clkdev.h new file mode 100644 index 00000000000..f9c39772d7c --- /dev/null +++ b/arch/arm/plat-stmp3xxx/include/mach/clkdev.h @@ -0,0 +1,18 @@ +/* + * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ +#ifndef __ASM_MACH_CLKDEV_H +#define __ASM_MACH_CLKDEV_H + +#define __clk_get(clk) ({ 1; }) +#define __clk_put(clk) do { } while (0) + +#endif diff --git a/arch/arm/plat-stmp3xxx/include/mach/cputype.h b/arch/arm/plat-stmp3xxx/include/mach/cputype.h new file mode 100644 index 00000000000..b4e205b95f2 --- /dev/null +++ b/arch/arm/plat-stmp3xxx/include/mach/cputype.h @@ -0,0 +1,33 @@ +/* + * Freescale STMP37XX/STMP378X CPU type detection + * + * Embedded Alley Solutions, Inc <source@embeddedalley.com> + * + * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ +#ifndef __ASM_PLAT_CPU_H +#define __ASM_PLAT_CPU_H + +#ifdef CONFIG_ARCH_STMP37XX +#define cpu_is_stmp37xx() (1) +#else +#define cpu_is_stmp37xx() (0) +#endif + +#ifdef CONFIG_ARCH_STMP378X +#define cpu_is_stmp378x() (1) +#else +#define cpu_is_stmp378x() (0) +#endif + +#endif /* __ASM_PLAT_CPU_H */ diff --git a/arch/arm/plat-stmp3xxx/include/mach/debug-macro.S b/arch/arm/plat-stmp3xxx/include/mach/debug-macro.S new file mode 100644 index 00000000000..fb3b969bf0a --- /dev/null +++ b/arch/arm/plat-stmp3xxx/include/mach/debug-macro.S @@ -0,0 +1,42 @@ +/* + * Debugging macro include header + * + * Embedded Alley Solutions, Inc <source@embeddedalley.com> + * + * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + + .macro addruart,rx + mrc p15, 0, \rx, c1, c0 + tst \rx, #1 @ MMU enabled? + moveq \rx, #0x80000000 @ physical base address + addeq \rx, \rx, #0x00070000 + movne \rx, #0xf0000000 @ virtual base + addne \rx, \rx, #0x00070000 + .endm + + .macro senduart,rd,rx + strb \rd, [\rx, #0] @ data register at 0 + .endm + + .macro waituart,rd,rx +1001: ldr \rd, [\rx, #0x18] @ UARTFLG + tst \rd, #1 << 5 @ UARTFLGUTXFF - 1 when full + bne 1001b + .endm + + .macro busyuart,rd,rx +1001: ldr \rd, [\rx, #0x18] @ UARTFLG + tst \rd, #1 << 3 @ UARTFLGUBUSY - 1 when busy + bne 1001b + .endm diff --git a/arch/arm/plat-stmp3xxx/include/mach/dma.h b/arch/arm/plat-stmp3xxx/include/mach/dma.h new file mode 100644 index 00000000000..1e305b2bfe7 --- /dev/null +++ b/arch/arm/plat-stmp3xxx/include/mach/dma.h @@ -0,0 +1,155 @@ +/* + * Freescale STMP37XX/STMP378X DMA helper interface + * + * Embedded Alley Solutions, Inc <source@embeddedalley.com> + * + * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ +#ifndef __ASM_PLAT_STMP3XXX_DMA_H +#define __ASM_PLAT_STMP3XXX_DMA_H + +#include <linux/platform_device.h> +#include <linux/dmapool.h> + +#if !defined(MAX_PIO_WORDS) +#define MAX_PIO_WORDS (15) +#endif + +#define STMP3XXX_BUS_APBH 0 +#define STMP3XXX_BUS_APBX 1 +#define STMP3XXX_DMA_MAX_CHANNEL 16 + + +#define STMP3xxx_DMA(channel, bus) ((bus) * 16 + (channel)) + +#define MAX_DMA_ADDRESS 0xffffffff + +#define MAX_DMA_CHANNELS 32 + +struct stmp3xxx_dma_command { + u32 next; + u32 cmd; + union { + u32 buf_ptr; + u32 alternate; + }; + u32 pio_words[MAX_PIO_WORDS]; +}; + +struct stmp3xxx_dma_descriptor { + struct stmp3xxx_dma_command *command; + dma_addr_t handle; + + /* The virtual address of the buffer pointer */ + void *virtual_buf_ptr; + /* The next descriptor in a the DMA chain (optional) */ + struct stmp3xxx_dma_descriptor *next_descr; +}; + +struct stmp37xx_circ_dma_chain { + unsigned total_count; + struct stmp3xxx_dma_descriptor *chain; + + unsigned free_index; + unsigned free_count; + unsigned active_index; + unsigned active_count; + unsigned cooked_index; + unsigned cooked_count; + + int bus; + unsigned channel; +}; + +static inline struct stmp3xxx_dma_descriptor + *stmp3xxx_dma_circ_get_free_head(struct stmp37xx_circ_dma_chain *chain) +{ + return &(chain->chain[chain->free_index]); +} + +static inline struct stmp3xxx_dma_descriptor + *stmp3xxx_dma_circ_get_cooked_head(struct stmp37xx_circ_dma_chain *chain) +{ + return &(chain->chain[chain->cooked_index]); +} + +int stmp3xxx_dma_request(int ch, struct device *dev, const char *name); +int stmp3xxx_dma_release(int ch); +int stmp3xxx_dma_allocate_command(int ch, + struct stmp3xxx_dma_descriptor *descriptor); +int stmp3xxx_dma_free_command(int ch, + struct stmp3xxx_dma_descriptor *descriptor); +void stmp3xxx_dma_continue(int channel, u32 semaphore); +void stmp3xxx_dma_go(int ch, struct stmp3xxx_dma_descriptor *head, + u32 semaphore); +int stmp3xxx_dma_running(int ch); +int stmp3xxx_dma_make_chain(int ch, struct stmp37xx_circ_dma_chain *chain, + struct stmp3xxx_dma_descriptor descriptors[], + unsigned items); +void stmp3xxx_dma_free_chain(struct stmp37xx_circ_dma_chain *chain); +void stmp37xx_circ_clear_chain(struct stmp37xx_circ_dma_chain *chain); +void stmp37xx_circ_advance_free(struct stmp37xx_circ_dma_chain *chain, + unsigned count); +void stmp37xx_circ_advance_active(struct stmp37xx_circ_dma_chain *chain, + unsigned count); +unsigned stmp37xx_circ_advance_cooked(struct stmp37xx_circ_dma_chain *chain); +int stmp3xxx_dma_read_semaphore(int ch); +void stmp3xxx_dma_init(void); +void stmp3xxx_dma_set_alt_target(int ch, int target); +void stmp3xxx_dma_suspend(void); +void stmp3xxx_dma_resume(void); + +/* + * STMP37xx and STMP378x have different DMA control + * registers layout + */ + +void stmp3xxx_arch_dma_freeze(int ch); +void stmp3xxx_arch_dma_unfreeze(int ch); +void stmp3xxx_arch_dma_reset_channel(int ch); +void stmp3xxx_arch_dma_enable_interrupt(int ch); +void stmp3xxx_arch_dma_clear_interrupt(int ch); +int stmp3xxx_arch_dma_is_interrupt(int ch); + +static inline void stmp3xxx_dma_reset_channel(int ch) +{ + stmp3xxx_arch_dma_reset_channel(ch); +} + + +static inline void stmp3xxx_dma_freeze(int ch) +{ + stmp3xxx_arch_dma_freeze(ch); +} + +static inline void stmp3xxx_dma_unfreeze(int ch) +{ + stmp3xxx_arch_dma_unfreeze(ch); +} + +static inline void stmp3xxx_dma_enable_interrupt(int ch) +{ + stmp3xxx_arch_dma_enable_interrupt(ch); +} + +static inline void stmp3xxx_dma_clear_interrupt(int ch) +{ + stmp3xxx_arch_dma_clear_interrupt(ch); +} + +static inline int stmp3xxx_dma_is_interrupt(int ch) +{ + return stmp3xxx_arch_dma_is_interrupt(ch); +} + +#endif /* __ASM_PLAT_STMP3XXX_DMA_H */ diff --git a/arch/arm/plat-stmp3xxx/include/mach/gpio.h b/arch/arm/plat-stmp3xxx/include/mach/gpio.h new file mode 100644 index 00000000000..a8b57925617 --- /dev/null +++ b/arch/arm/plat-stmp3xxx/include/mach/gpio.h @@ -0,0 +1,28 @@ +/* + * Freescale STMP37XX/STMP378X GPIO interface + * + * Embedded Alley Solutions, Inc <source@embeddedalley.com> + * + * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ +#ifndef __ASM_PLAT_GPIO_H +#define __ASM_PLAT_GPIO_H + +#define ARCH_NR_GPIOS (32 * 3) +#define gpio_to_irq(gpio) __gpio_to_irq(gpio) +#define gpio_get_value(gpio) __gpio_get_value(gpio) +#define gpio_set_value(gpio, value) __gpio_set_value(gpio, value) + +#include <asm-generic/gpio.h> + +#endif /* __ASM_PLAT_GPIO_H */ diff --git a/arch/arm/plat-stmp3xxx/include/mach/hardware.h b/arch/arm/plat-stmp3xxx/include/mach/hardware.h new file mode 100644 index 00000000000..47b8978405b --- /dev/null +++ b/arch/arm/plat-stmp3xxx/include/mach/hardware.h @@ -0,0 +1,32 @@ +/* + * This file contains the hardware definitions of the Freescale STMP3XXX + * + * Copyright (C) 2005 Sigmatel Inc + * + * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ +#ifndef __ASM_ARCH_HARDWARE_H +#define __ASM_ARCH_HARDWARE_H + +/* + * Where in virtual memory the IO devices (timers, system controllers + * and so on) + */ +#define IO_BASE 0xF0000000 /* VA of IO */ +#define IO_SIZE 0x00100000 /* How much? */ +#define IO_START 0x80000000 /* PA of IO */ + +/* macro to get at IO space when running virtually */ +#define IO_ADDRESS(x) (((x) & 0x000fffff) | IO_BASE) + +#endif diff --git a/arch/arm/plat-stmp3xxx/include/mach/io.h b/arch/arm/plat-stmp3xxx/include/mach/io.h new file mode 100644 index 00000000000..d08b1b7f3d1 --- /dev/null +++ b/arch/arm/plat-stmp3xxx/include/mach/io.h @@ -0,0 +1,25 @@ +/* + * Copyright (C) 2005 Sigmatel Inc + * + * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ +#ifndef __ASM_ARM_ARCH_IO_H +#define __ASM_ARM_ARCH_IO_H + +#define IO_SPACE_LIMIT 0xffffffff + +#define __io(a) __typesafe_io(a) +#define __mem_pci(a) (a) +#define __mem_isa(a) (a) + +#endif diff --git a/arch/arm/plat-stmp3xxx/include/mach/memory.h b/arch/arm/plat-stmp3xxx/include/mach/memory.h new file mode 100644 index 00000000000..7b875a07a1a --- /dev/null +++ b/arch/arm/plat-stmp3xxx/include/mach/memory.h @@ -0,0 +1,22 @@ +/* + * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ +#ifndef __ASM_ARCH_MEMORY_H +#define __ASM_ARCH_MEMORY_H + +/* + * Physical DRAM offset. + */ +#define PHYS_OFFSET UL(0x40000000) + +#endif diff --git a/arch/arm/plat-stmp3xxx/include/mach/pinmux.h b/arch/arm/plat-stmp3xxx/include/mach/pinmux.h new file mode 100644 index 00000000000..526c068d7c4 --- /dev/null +++ b/arch/arm/plat-stmp3xxx/include/mach/pinmux.h @@ -0,0 +1,158 @@ +/* + * Freescale STMP37XX/STMP378X Pin Multiplexing + * + * Author: Vladislav Buzov <vbuzov@embeddedalley.com> + * + * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ +#ifndef __PINMUX_H +#define __PINMUX_H + +#include <linux/spinlock.h> +#include <linux/types.h> +#include <linux/gpio.h> +#include <asm-generic/gpio.h> + +/* Pin definitions */ +#include "pins.h" +#include <mach/pins.h> + +/* + * Each pin may be routed up to four different HW interfaces + * including GPIO + */ +enum pin_fun { + PIN_FUN1 = 0, + PIN_FUN2, + PIN_FUN3, + PIN_GPIO, +}; + +/* + * Each pin may have different output drive strength in range from + * 4mA to 20mA. The most common case is 4, 8 and 12 mA strengths. + */ +enum pin_strength { + PIN_4MA = 0, + PIN_8MA, + PIN_12MA, + PIN_16MA, + PIN_20MA, +}; + +/* + * Each pin can be programmed for 1.8V or 3.3V + */ +enum pin_voltage { + PIN_1_8V = 0, + PIN_3_3V, +}; + +/* + * Structure to define a group of pins and their parameters + */ +struct pin_desc { + unsigned id; + enum pin_fun fun; + enum pin_strength strength; + enum pin_voltage voltage; + unsigned pullup:1; +}; + +struct pin_group { + struct pin_desc *pins; + int nr_pins; +}; + +/* Set pin drive strength */ +void stmp3xxx_pin_strength(unsigned id, enum pin_strength strength, + const char *label); + +/* Set pin voltage */ +void stmp3xxx_pin_voltage(unsigned id, enum pin_voltage voltage, + const char *label); + +/* Enable pull-up resistor for a pin */ +void stmp3xxx_pin_pullup(unsigned id, int enable, const char *label); + +/* + * Request a pin ownership, only one module (identified by @label) + * may own a pin. + */ +int stmp3xxx_request_pin(unsigned id, enum pin_fun fun, const char *label); + +/* Release pin */ +void stmp3xxx_release_pin(unsigned id, const char *label); + +void stmp3xxx_set_pin_type(unsigned id, enum pin_fun fun); + +/* + * Each bank is associated with a number of registers to control + * pin function, drive strength, voltage and pull-up reigster. The + * number of registers of a given type depends on the number of bits + * describin particular pin. + */ +#define HW_MUXSEL_NUM 2 /* registers per bank */ +#define HW_MUXSEL_PIN_LEN 2 /* bits per pin */ +#define HW_MUXSEL_PIN_NUM 16 /* pins per register */ +#define HW_MUXSEL_PINFUN_MASK 0x3 /* pin function mask */ +#define HW_MUXSEL_PINFUN_NUM 4 /* four options for a pin */ + +#define HW_DRIVE_NUM 4 /* registers per bank */ +#define HW_DRIVE_PIN_LEN 4 /* bits per pin */ +#define HW_DRIVE_PIN_NUM 8 /* pins per register */ +#define HW_DRIVE_PINDRV_MASK 0x3 /* pin strength mask - 2 bits */ +#define HW_DRIVE_PINDRV_NUM 5 /* five possible strength values */ +#define HW_DRIVE_PINV_MASK 0x4 /* pin voltage mask - 1 bit */ + + +struct stmp3xxx_pinmux_bank { + struct gpio_chip chip; + + /* Pins allocation map */ + unsigned long pin_map; + + /* Pin owner names */ + const char *pin_labels[32]; + + /* Bank registers */ + void __iomem *hw_muxsel[HW_MUXSEL_NUM]; + void __iomem *hw_drive[HW_DRIVE_NUM]; + void __iomem *hw_pull; + + void __iomem *pin2irq, + *irqlevel, + *irqpolarity, + *irqen, + *irqstat; + + /* HW MUXSEL register function bit values */ + u8 functions[HW_MUXSEL_PINFUN_NUM]; + + /* + * HW DRIVE register strength bit values: + * 0xff - requested strength is not supported for this bank + */ + u8 strengths[HW_DRIVE_PINDRV_NUM]; + + /* GPIO things */ + void __iomem *hw_gpio_read, + *hw_gpio_set, + *hw_gpio_clr, + *hw_gpio_doe; + int irq, virq; +}; + +int __init stmp3xxx_pinmux_init(int virtual_irq_start); + +#endif /* __PINMUX_H */ diff --git a/arch/arm/plat-stmp3xxx/include/mach/pins.h b/arch/arm/plat-stmp3xxx/include/mach/pins.h new file mode 100644 index 00000000000..c573318e1ca --- /dev/null +++ b/arch/arm/plat-stmp3xxx/include/mach/pins.h @@ -0,0 +1,30 @@ +/* + * Freescale STMP37XX/STMP378X Pin multiplexing interface definitions + * + * Author: Vladislav Buzov <vbuzov@embeddedalley.com> + * + * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ +#ifndef __ASM_PLAT_PINS_H +#define __ASM_PLAT_PINS_H + +#define STMP3XXX_PINID(bank, pin) (bank * 32 + pin) +#define STMP3XXX_PINID_TO_BANK(pinid) (pinid / 32) +#define STMP3XXX_PINID_TO_PINNUM(pinid) (pinid % 32) + +/* + * Special invalid pin identificator to show a pin doesn't exist + */ +#define PINID_NO_PIN STMP3XXX_PINID(0xFF, 0xFF) + +#endif /* __ASM_PLAT_PINS_H */ diff --git a/arch/arm/plat-stmp3xxx/include/mach/platform.h b/arch/arm/plat-stmp3xxx/include/mach/platform.h new file mode 100644 index 00000000000..525c41379bb --- /dev/null +++ b/arch/arm/plat-stmp3xxx/include/mach/platform.h @@ -0,0 +1,47 @@ +/* + * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ +#ifndef __ASM_PLAT_PLATFORM_H +#define __ASM_PLAT_PLATFORM_H + +#include <asm/sizes.h> + +/* Virtual address where registers are mapped */ +#define STMP3XXX_REGS_PHBASE 0x80000000 +#ifdef __ASSEMBLER__ +#define STMP3XXX_REGS_BASE 0xF0000000 +#else +#define STMP3XXX_REGS_BASE (void __iomem *)0xF0000000 +#endif +#define STMP3XXX_REGS_SIZE SZ_1M + +/* Virtual address where OCRAM is mapped */ +#define STMP3XXX_OCRAM_PHBASE 0x00000000 +#ifdef __ASSEMBLER__ +#define STMP3XXX_OCRAM_BASE 0xf1000000 +#else +#define STMP3XXX_OCRAM_BASE (void __iomem *)0xf1000000 +#endif +#define STMP3XXX_OCRAM_SIZE (32 * SZ_1K) + +#ifdef CONFIG_ARCH_STMP37XX +#define IRQ_PRIORITY_REG_RD HW_ICOLL_PRIORITYn_RD +#define IRQ_PRIORITY_REG_WR HW_ICOLL_PRIORITYn_WR +#endif + +#ifdef CONFIG_ARCH_STMP378X +#define IRQ_PRIORITY_REG_RD HW_ICOLL_INTERRUPTn_RD +#define IRQ_PRIORITY_REG_WR HW_ICOLL_INTERRUPTn_WR +#endif + +#endif /* __ASM_ARCH_PLATFORM_H */ diff --git a/arch/arm/plat-stmp3xxx/include/mach/stmp3xxx.h b/arch/arm/plat-stmp3xxx/include/mach/stmp3xxx.h new file mode 100644 index 00000000000..78cf1be7551 --- /dev/null +++ b/arch/arm/plat-stmp3xxx/include/mach/stmp3xxx.h @@ -0,0 +1,34 @@ +/* + * Freescale STMP37XX/STMP378X core structure and function declarations + * + * Embedded Alley Solutions, Inc <source@embeddedalley.com> + * + * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ +#ifndef __ASM_PLAT_STMP3XXX_H +#define __ASM_PLAT_STMP3XXX_H + +#include <linux/irq.h> + +extern struct sys_timer stmp3xxx_timer; + +void stmp3xxx_init_irq(struct irq_chip *chip); +void stmp3xxx_init(void); +int stmp3xxx_reset_block(void __iomem *hwreg, int just_enable); +extern struct platform_device stmp3xxx_dbguart; + +struct pin_group; +void stmp3xxx_release_pin_group(struct pin_group *pin_group, const char *label); +int stmp3xxx_request_pin_group(struct pin_group *pin_group, const char *label); + +#endif /* __ASM_PLAT_STMP3XXX_H */ diff --git a/arch/arm/plat-stmp3xxx/include/mach/stmp3xxx_regs.h b/arch/arm/plat-stmp3xxx/include/mach/stmp3xxx_regs.h new file mode 100644 index 00000000000..47797b2b36a --- /dev/null +++ b/arch/arm/plat-stmp3xxx/include/mach/stmp3xxx_regs.h @@ -0,0 +1,195 @@ +/* + * Freescale STMP37XX/STMP378X SoC register access interfaces + * + * The SoC registers may be accessed via: + * + * - single 32 bit address, or + * - four 32 bit addresses - general purpose, set, clear and toggle bits + * + * Multiple IP blocks (e.g. SSP, UART) provide identical register sets per + * each module + * + * Embedded Alley Solutions, Inc <source@embeddedalley.com> + * + * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ +#ifndef __ASM_PLAT_STMP3XXX_REGS_H +#define __ASM_PLAT_STMP3XXX_REGS_H + +#ifndef __ASSEMBLER__ +#include <linux/io.h> +#endif + +#include "platform.h" + +#define REGS_BASE STMP3XXX_REGS_BASE + +#define HW_STMP3xxx_SET 0x04 +#define HW_STMP3xxx_CLR 0x08 +#define HW_STMP3xxx_TOG 0x0c + +#ifndef __ASSEMBLER__ +#define HW_REGISTER_FUNCS(id, base, offset, regset, rd, wr) \ + static const u32 id##_OFFSET = offset; \ + static inline u32 id##_RD_NB(const void __iomem *regbase) { \ + if (!rd) \ + printk(KERN_ERR"%s: cannot READ at %p+%x\n", \ + #id, regbase, offset); \ + return __raw_readl(regbase + offset); \ + } \ + static inline void id##_WR_NB(void __iomem *regbase, u32 v) { \ + if (!wr) \ + printk(KERN_ERR"%s: cannot WRITE at %p+%x\n", \ + #id, regbase, offset); \ + __raw_writel(v, regbase + offset); \ + } \ + static inline void id##_SET_NB(void __iomem *regbase, u32 v) { \ + if (!wr) \ + printk(KERN_ERR"%s: cannot SET at %p+%x\n", \ + #id, regbase, offset); \ + if (regset) \ + __raw_writel(v, regbase + \ + offset + HW_STMP3xxx_SET); \ + else \ + __raw_writel(v | __raw_readl(regbase + offset), \ + regbase + offset); \ + } \ + static inline void id##_CLR_NB(void __iomem *regbase, u32 v) { \ + if (!wr) \ + printk(KERN_ERR"%s: cannot CLR at %p+%x\n", \ + #id, regbase, offset); \ + if (regset) \ + __raw_writel(v, regbase + \ + offset + HW_STMP3xxx_CLR); \ + else \ + __raw_writel( \ + ~v & __raw_readl(regbase + offset), \ + regbase + offset); \ + } \ + static inline void id##_TOG_NB(void __iomem *regbase, u32 v) { \ + if (!wr) \ + printk(KERN_ERR"%s: cannot TOG at %p+%x\n", \ + #id, regbase, offset); \ + if (regset) \ + __raw_writel(v, regbase + \ + offset + HW_STMP3xxx_TOG); \ + else \ + __raw_writel(v ^ __raw_readl(regbase + offset), \ + regbase + offset); \ + } \ + static inline u32 id##_RD(void) { return id##_RD_NB(base); } \ + static inline void id##_WR(u32 v) { id##_WR_NB(base, v); } \ + static inline void id##_SET(u32 v) { id##_SET_NB(base, v); } \ + static inline void id##_CLR(u32 v) { id##_CLR_NB(base, v); } \ + static inline void id##_TOG(u32 v) { id##_TOG_NB(base, v); } + +#define HW_REGISTER_FUNCS_INDEXED(id, base, offset, regset, rd, wr, step)\ + static inline u32 id##_OFFSET(int i) { \ + return offset + i * step; \ + } \ + static inline u32 id##_RD_NB(const void __iomem *regbase, int i) {\ + if (!rd) \ + printk(KERN_ERR"%s(%d): can't READ at %p+%x\n", \ + #id, i, regbase, offset + i * step); \ + return __raw_readl(regbase + offset + i * step); \ + } \ + static inline void id##_WR_NB(void __iomem *regbase, int i, u32 v) {\ + if (!wr) \ + printk(KERN_ERR"%s(%d): can't WRITE at %p+%x\n",\ + #id, i, regbase, offset + i * step); \ + __raw_writel(v, regbase + offset + i * step); \ + } \ + static inline void id##_SET_NB(void __iomem *regbase, int i, u32 v) {\ + if (!wr) \ + printk(KERN_ERR"%s(%d): can't SET at %p+%x\n", \ + #id, i, regbase, offset + i * step); \ + if (regset) \ + __raw_writel(v, regbase + offset + \ + i * step + HW_STMP3xxx_SET); \ + else \ + __raw_writel(v | __raw_readl(regbase + \ + offset + i * step), \ + regbase + offset + i * step); \ + } \ + static inline void id##_CLR_NB(void __iomem *regbase, int i, u32 v) {\ + if (!wr) \ + printk(KERN_ERR"%s(%d): cannot CLR at %p+%x\n", \ + #id, i, regbase, offset + i * step); \ + if (regset) \ + __raw_writel(v, regbase + offset + \ + i * step + HW_STMP3xxx_CLR); \ + else \ + __raw_writel(~v & __raw_readl(regbase + \ + offset + i * step), \ + regbase + offset + i * step); \ + } \ + static inline void id##_TOG_NB(void __iomem *regbase, int i, u32 v) {\ + if (!wr) \ + printk(KERN_ERR"%s(%d): cannot TOG at %p+%x\n", \ + #id, i, regbase, offset + i * step); \ + if (regset) \ + __raw_writel(v, regbase + offset + \ + i * step + HW_STMP3xxx_TOG); \ + else \ + __raw_writel(v ^ __raw_readl(regbase + offset \ + + i * step), \ + regbase + offset + i * step); \ + } \ + static inline u32 id##_RD(int i) \ + { \ + return id##_RD_NB(base, i); \ + } \ + static inline void id##_WR(int i, u32 v) \ + { \ + id##_WR_NB(base, i, v); \ + } \ + static inline void id##_SET(int i, u32 v) \ + { \ + id##_SET_NB(base, i, v); \ + } \ + static inline void id##_CLR(int i, u32 v) \ + { \ + id##_CLR_NB(base, i, v); \ + } \ + static inline void id##_TOG(int i, u32 v) \ + { \ + id##_TOG_NB(base, i, v); \ + } + +#define HW_REGISTER_WO(id, base, offset)\ + HW_REGISTER_FUNCS(id, base, offset, 1, 0, 1) +#define HW_REGISTER_RO(id, base, offset)\ + HW_REGISTER_FUNCS(id, base, offset, 1, 1, 0) +#define HW_REGISTER(id, base, offset) \ + HW_REGISTER_FUNCS(id, base, offset, 1, 1, 1) +#define HW_REGISTER_0(id, base, offset) \ + HW_REGISTER_FUNCS(id, base, offset, 0, 1, 1) +#define HW_REGISTER_INDEXED(id, base, offset, step) \ + HW_REGISTER_FUNCS_INDEXED(id, base, offset, 1, 1, 1, step) +#define HW_REGISTER_RO_INDEXED(id, base, offset, step) \ + HW_REGISTER_FUNCS_INDEXED(id, base, offset, 1, 1, 0, step) +#define HW_REGISTER_0_INDEXED(id, base, offset, step) \ + HW_REGISTER_FUNCS_INDEXED(id, base, offset, 0, 1, 1, step) +#else /* __ASSEMBLER__ */ +#define HW_REGISTER_FUNCS(id, base, offset, regset, rd, wr) +#define HW_REGISTER_FUNCS_INDEXED(id, base, offset, regset, rd, wr, step) +#define HW_REGISTER_WO(id, base, offset) +#define HW_REGISTER_RO(id, base, offset) +#define HW_REGISTER(id, base, offset) +#define HW_REGISTER_0(id, base, offset) +#define HW_REGISTER_INDEXED(id, base, offset, step) +#define HW_REGISTER_RO_INDEXED(id, base, offset, step) +#define HW_REGISTER_0_INDEXED(id, base, offset, step) +#endif /* __ASSEMBLER__ */ + +#endif /* __ASM_PLAT_STMP3XXX_REGS_H */ diff --git a/arch/arm/plat-stmp3xxx/include/mach/system.h b/arch/arm/plat-stmp3xxx/include/mach/system.h new file mode 100644 index 00000000000..dac48d26714 --- /dev/null +++ b/arch/arm/plat-stmp3xxx/include/mach/system.h @@ -0,0 +1,47 @@ +/* + * Copyright (C) 2005 Sigmatel Inc + * + * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ +#ifndef __ASM_ARCH_SYSTEM_H +#define __ASM_ARCH_SYSTEM_H + +#include <asm/proc-fns.h> +#include <mach/regs-clkctrl.h> +#include <mach/regs-power.h> + +static inline void arch_idle(void) +{ + /* + * This should do all the clock switching + * and wait for interrupt tricks + */ + + cpu_do_idle(); +} + +static inline void arch_reset(char mode, const char *cmd) +{ + /* Set BATTCHRG to default value */ + HW_POWER_CHARGE_WR(0x00010000); + + /* Set MINPWR to default value */ + HW_POWER_MINPWR_WR(0); + + /* Reset digital side of chip (but not power or RTC) */ + HW_CLKCTRL_RESET_WR(BM_CLKCTRL_RESET_DIG); + + /* Should not return */ +} + +#endif diff --git a/arch/arm/plat-stmp3xxx/include/mach/timex.h b/arch/arm/plat-stmp3xxx/include/mach/timex.h new file mode 100644 index 00000000000..3373985d7a8 --- /dev/null +++ b/arch/arm/plat-stmp3xxx/include/mach/timex.h @@ -0,0 +1,20 @@ +/* + * Copyright (C) 1999 ARM Limited + * + * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +/* + * System time clock is sourced from the 32k clock + */ +#define CLOCK_TICK_RATE (32768) diff --git a/arch/arm/plat-stmp3xxx/include/mach/uncompress.h b/arch/arm/plat-stmp3xxx/include/mach/uncompress.h new file mode 100644 index 00000000000..f79f5ee56cd --- /dev/null +++ b/arch/arm/plat-stmp3xxx/include/mach/uncompress.h @@ -0,0 +1,53 @@ +/* + * + * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ +#ifndef __ASM_PLAT_UNCOMPRESS_H +#define __ASM_PLAT_UNCOMPRESS_H + +/* + * Register includes are for when the MMU enabled; we need to define our + * own stuff here for pre-MMU use + */ +#define UARTDBG_BASE 0x80070000 +#define UART(c) (((volatile unsigned *)UARTDBG_BASE)[c]) + +/* + * This does not append a newline + */ +static void putc(char c) +{ + /* Wait for TX fifo empty */ + while ((UART(6) & (1<<7)) == 0) + continue; + + /* Write byte */ + UART(0) = c; + + /* Wait for last bit to exit the UART */ + while (UART(6) & (1<<3)) + continue; +} + +static void flush(void) +{ +} + +/* + * nothing to do + */ +#define arch_decomp_setup() + +#define arch_decomp_wdog() + +#endif /* __ASM_PLAT_UNCOMPRESS_H */ diff --git a/arch/arm/plat-stmp3xxx/include/mach/vmalloc.h b/arch/arm/plat-stmp3xxx/include/mach/vmalloc.h new file mode 100644 index 00000000000..541b880c186 --- /dev/null +++ b/arch/arm/plat-stmp3xxx/include/mach/vmalloc.h @@ -0,0 +1,12 @@ +/* + * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ +#define VMALLOC_END (0xF0000000) |