diff options
Diffstat (limited to 'arch/avr32')
| -rw-r--r-- | arch/avr32/Makefile | 7 | ||||
| -rw-r--r-- | arch/avr32/mach-at32ap/include/mach/at32ap700x.h | 49 | ||||
| -rw-r--r-- | arch/avr32/mach-at32ap/include/mach/board.h | 121 | ||||
| -rw-r--r-- | arch/avr32/mach-at32ap/include/mach/cpu.h | 35 | ||||
| -rw-r--r-- | arch/avr32/mach-at32ap/include/mach/gpio.h | 45 | ||||
| -rw-r--r-- | arch/avr32/mach-at32ap/include/mach/init.h | 18 | ||||
| -rw-r--r-- | arch/avr32/mach-at32ap/include/mach/io.h | 39 | ||||
| -rw-r--r-- | arch/avr32/mach-at32ap/include/mach/irq.h | 14 | ||||
| -rw-r--r-- | arch/avr32/mach-at32ap/include/mach/pm.h | 51 | ||||
| -rw-r--r-- | arch/avr32/mach-at32ap/include/mach/portmux.h | 29 | ||||
| -rw-r--r-- | arch/avr32/mach-at32ap/include/mach/smc.h | 113 | ||||
| -rw-r--r-- | arch/avr32/mach-at32ap/include/mach/sram.h | 30 |
12 files changed, 550 insertions, 1 deletions
diff --git a/arch/avr32/Makefile b/arch/avr32/Makefile index 17a3529341d..5b46433d53a 100644 --- a/arch/avr32/Makefile +++ b/arch/avr32/Makefile @@ -23,9 +23,14 @@ KBUILD_AFLAGS += $(cpuflags-y) CHECKFLAGS += -D__avr32__ -D__BIG_ENDIAN +machine-$(CONFIG_PLATFORM_AT32AP) := at32ap +machdirs := $(patsubst %,arch/avr32/mach-%/, $(machine-y)) + +KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs)) + head-$(CONFIG_LOADER_U_BOOT) += arch/avr32/boot/u-boot/head.o head-y += arch/avr32/kernel/head.o -core-$(CONFIG_PLATFORM_AT32AP) += arch/avr32/mach-at32ap/ +core-y += $(machdirs) core-$(CONFIG_BOARD_ATSTK1000) += arch/avr32/boards/atstk1000/ core-$(CONFIG_BOARD_ATNGW100) += arch/avr32/boards/atngw100/ core-$(CONFIG_LOADER_U_BOOT) += arch/avr32/boot/u-boot/ diff --git a/arch/avr32/mach-at32ap/include/mach/at32ap700x.h b/arch/avr32/mach-at32ap/include/mach/at32ap700x.h new file mode 100644 index 00000000000..d18a3053be0 --- /dev/null +++ b/arch/avr32/mach-at32ap/include/mach/at32ap700x.h @@ -0,0 +1,49 @@ +/* + * Pin definitions for AT32AP7000. + * + * Copyright (C) 2006 Atmel Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef __ASM_ARCH_AT32AP700X_H__ +#define __ASM_ARCH_AT32AP700X_H__ + +#define GPIO_PERIPH_A 0 +#define GPIO_PERIPH_B 1 + +/* + * Pin numbers identifying specific GPIO pins on the chip. They can + * also be converted to IRQ numbers by passing them through + * gpio_to_irq(). + */ +#define GPIO_PIOA_BASE (0) +#define GPIO_PIOB_BASE (GPIO_PIOA_BASE + 32) +#define GPIO_PIOC_BASE (GPIO_PIOB_BASE + 32) +#define GPIO_PIOD_BASE (GPIO_PIOC_BASE + 32) +#define GPIO_PIOE_BASE (GPIO_PIOD_BASE + 32) + +#define GPIO_PIN_PA(N) (GPIO_PIOA_BASE + (N)) +#define GPIO_PIN_PB(N) (GPIO_PIOB_BASE + (N)) +#define GPIO_PIN_PC(N) (GPIO_PIOC_BASE + (N)) +#define GPIO_PIN_PD(N) (GPIO_PIOD_BASE + (N)) +#define GPIO_PIN_PE(N) (GPIO_PIOE_BASE + (N)) + + +/* + * DMAC peripheral hardware handshaking interfaces, used with dw_dmac + */ +#define DMAC_MCI_RX 0 +#define DMAC_MCI_TX 1 +#define DMAC_DAC_TX 2 +#define DMAC_AC97_A_RX 3 +#define DMAC_AC97_A_TX 4 +#define DMAC_AC97_B_RX 5 +#define DMAC_AC97_B_TX 6 +#define DMAC_DMAREQ_0 7 +#define DMAC_DMAREQ_1 8 +#define DMAC_DMAREQ_2 9 +#define DMAC_DMAREQ_3 10 + +#endif /* __ASM_ARCH_AT32AP700X_H__ */ diff --git a/arch/avr32/mach-at32ap/include/mach/board.h b/arch/avr32/mach-at32ap/include/mach/board.h new file mode 100644 index 00000000000..e60e9076544 --- /dev/null +++ b/arch/avr32/mach-at32ap/include/mach/board.h @@ -0,0 +1,121 @@ +/* + * Platform data definitions. + */ +#ifndef __ASM_ARCH_BOARD_H +#define __ASM_ARCH_BOARD_H + +#include <linux/types.h> + +#define GPIO_PIN_NONE (-1) + +/* + * Clock rates for various on-board oscillators. The number of entries + * in this array is chip-dependent. + */ +extern unsigned long at32_board_osc_rates[]; + +/* Add basic devices: system manager, interrupt controller, portmuxes, etc. */ +void at32_add_system_devices(void); + +#define ATMEL_MAX_UART 4 +extern struct platform_device *atmel_default_console_device; + +struct atmel_uart_data { + short use_dma_tx; /* use transmit DMA? */ + short use_dma_rx; /* use receive DMA? */ + void __iomem *regs; /* virtual base address, if any */ +}; +void at32_map_usart(unsigned int hw_id, unsigned int line); +struct platform_device *at32_add_device_usart(unsigned int id); + +struct eth_platform_data { + u32 phy_mask; + u8 is_rmii; +}; +struct platform_device * +at32_add_device_eth(unsigned int id, struct eth_platform_data *data); + +struct spi_board_info; +struct platform_device * +at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n); + +struct atmel_lcdfb_info; +struct platform_device * +at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data, + unsigned long fbmem_start, unsigned long fbmem_len, + unsigned int pin_config); + +struct usba_platform_data; +struct platform_device * +at32_add_device_usba(unsigned int id, struct usba_platform_data *data); + +struct ide_platform_data { + u8 cs; +}; +struct platform_device * +at32_add_device_ide(unsigned int id, unsigned int extint, + struct ide_platform_data *data); + +/* mask says which PWM channels to mux */ +struct platform_device *at32_add_device_pwm(u32 mask); + +/* depending on what's hooked up, not all SSC pins will be used */ +#define ATMEL_SSC_TK 0x01 +#define ATMEL_SSC_TF 0x02 +#define ATMEL_SSC_TD 0x04 +#define ATMEL_SSC_TX (ATMEL_SSC_TK | ATMEL_SSC_TF | ATMEL_SSC_TD) + +#define ATMEL_SSC_RK 0x10 +#define ATMEL_SSC_RF 0x20 +#define ATMEL_SSC_RD 0x40 +#define ATMEL_SSC_RX (ATMEL_SSC_RK | ATMEL_SSC_RF | ATMEL_SSC_RD) + +struct platform_device * +at32_add_device_ssc(unsigned int id, unsigned int flags); + +struct i2c_board_info; +struct platform_device *at32_add_device_twi(unsigned int id, + struct i2c_board_info *b, + unsigned int n); + +struct mci_platform_data; +struct platform_device * +at32_add_device_mci(unsigned int id, struct mci_platform_data *data); + +struct ac97c_platform_data { + unsigned short dma_rx_periph_id; + unsigned short dma_tx_periph_id; + unsigned short dma_controller_id; + int reset_pin; +}; +struct platform_device * +at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data); + +struct platform_device *at32_add_device_abdac(unsigned int id); +struct platform_device *at32_add_device_psif(unsigned int id); + +struct cf_platform_data { + int detect_pin; + int reset_pin; + int vcc_pin; + int ready_pin; + u8 cs; +}; +struct platform_device * +at32_add_device_cf(unsigned int id, unsigned int extint, + struct cf_platform_data *data); + +/* NAND / SmartMedia */ +struct atmel_nand_data { + int enable_pin; /* chip enable */ + int det_pin; /* card detect */ + int rdy_pin; /* ready/busy */ + u8 ale; /* address line number connected to ALE */ + u8 cle; /* address line number connected to CLE */ + u8 bus_width_16; /* buswidth is 16 bit */ + struct mtd_partition *(*partition_info)(int size, int *num_partitions); +}; +struct platform_device * +at32_add_device_nand(unsigned int id, struct atmel_nand_data *data); + +#endif /* __ASM_ARCH_BOARD_H */ diff --git a/arch/avr32/mach-at32ap/include/mach/cpu.h b/arch/avr32/mach-at32ap/include/mach/cpu.h new file mode 100644 index 00000000000..44d0bfa1f40 --- /dev/null +++ b/arch/avr32/mach-at32ap/include/mach/cpu.h @@ -0,0 +1,35 @@ +/* + * AVR32 and (fake) AT91 CPU identification + * + * Copyright (C) 2007 Atmel Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef __ASM_ARCH_CPU_H +#define __ASM_ARCH_CPU_H + +/* + * Only AT32AP7000 is defined for now. We can identify the specific + * chip at runtime, but I'm not sure if it's really worth it. + */ +#ifdef CONFIG_CPU_AT32AP700X +# define cpu_is_at32ap7000() (1) +#else +# define cpu_is_at32ap7000() (0) +#endif + +/* + * Since this is AVR32, we will never run on any AT91 CPU. But these + * definitions may reduce clutter in common drivers. + */ +#define cpu_is_at91rm9200() (0) +#define cpu_is_at91sam9xe() (0) +#define cpu_is_at91sam9260() (0) +#define cpu_is_at91sam9261() (0) +#define cpu_is_at91sam9263() (0) +#define cpu_is_at91sam9rl() (0) +#define cpu_is_at91cap9() (0) + +#endif /* __ASM_ARCH_CPU_H */ diff --git a/arch/avr32/mach-at32ap/include/mach/gpio.h b/arch/avr32/mach-at32ap/include/mach/gpio.h new file mode 100644 index 00000000000..0180f584ef0 --- /dev/null +++ b/arch/avr32/mach-at32ap/include/mach/gpio.h @@ -0,0 +1,45 @@ +#ifndef __ASM_AVR32_ARCH_GPIO_H +#define __ASM_AVR32_ARCH_GPIO_H + +#include <linux/compiler.h> +#include <asm/irq.h> + + +/* Some GPIO chips can manage IRQs; some can't. The exact numbers can + * be changed if needed, but for the moment they're not configurable. + */ +#define ARCH_NR_GPIOS (NR_GPIO_IRQS + 2 * 32) + + +/* Arch-neutral GPIO API, supporting both "native" and external GPIOs. */ +#include <asm-generic/gpio.h> + +static inline int gpio_get_value(unsigned int gpio) +{ + return __gpio_get_value(gpio); +} + +static inline void gpio_set_value(unsigned int gpio, int value) +{ + __gpio_set_value(gpio, value); +} + +static inline int gpio_cansleep(unsigned int gpio) +{ + return __gpio_cansleep(gpio); +} + + +static inline int gpio_to_irq(unsigned int gpio) +{ + if (gpio < NR_GPIO_IRQS) + return gpio + GPIO_IRQ_BASE; + return -EINVAL; +} + +static inline int irq_to_gpio(unsigned int irq) +{ + return irq - GPIO_IRQ_BASE; +} + +#endif /* __ASM_AVR32_ARCH_GPIO_H */ diff --git a/arch/avr32/mach-at32ap/include/mach/init.h b/arch/avr32/mach-at32ap/include/mach/init.h new file mode 100644 index 00000000000..bc40e3d4615 --- /dev/null +++ b/arch/avr32/mach-at32ap/include/mach/init.h @@ -0,0 +1,18 @@ +/* + * AT32AP platform initialization calls. + * + * Copyright (C) 2006 Atmel Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef __ASM_AVR32_AT32AP_INIT_H__ +#define __ASM_AVR32_AT32AP_INIT_H__ + +void setup_platform(void); +void setup_board(void); + +void at32_setup_serial_console(unsigned int usart_id); + +#endif /* __ASM_AVR32_AT32AP_INIT_H__ */ diff --git a/arch/avr32/mach-at32ap/include/mach/io.h b/arch/avr32/mach-at32ap/include/mach/io.h new file mode 100644 index 00000000000..4ec6abc68ea --- /dev/null +++ b/arch/avr32/mach-at32ap/include/mach/io.h @@ -0,0 +1,39 @@ +#ifndef __ASM_AVR32_ARCH_AT32AP_IO_H +#define __ASM_AVR32_ARCH_AT32AP_IO_H + +/* For "bizarre" halfword swapping */ +#include <linux/byteorder/swabb.h> + +#if defined(CONFIG_AP700X_32_BIT_SMC) +# define __swizzle_addr_b(addr) (addr ^ 3UL) +# define __swizzle_addr_w(addr) (addr ^ 2UL) +# define __swizzle_addr_l(addr) (addr) +# define ioswabb(a, x) (x) +# define ioswabw(a, x) (x) +# define ioswabl(a, x) (x) +# define __mem_ioswabb(a, x) (x) +# define __mem_ioswabw(a, x) swab16(x) +# define __mem_ioswabl(a, x) swab32(x) +#elif defined(CONFIG_AP700X_16_BIT_SMC) +# define __swizzle_addr_b(addr) (addr ^ 1UL) +# define __swizzle_addr_w(addr) (addr) +# define __swizzle_addr_l(addr) (addr) +# define ioswabb(a, x) (x) +# define ioswabw(a, x) (x) +# define ioswabl(a, x) swahw32(x) +# define __mem_ioswabb(a, x) (x) +# define __mem_ioswabw(a, x) swab16(x) +# define __mem_ioswabl(a, x) swahb32(x) +#else +# define __swizzle_addr_b(addr) (addr) +# define __swizzle_addr_w(addr) (addr) +# define __swizzle_addr_l(addr) (addr) +# define ioswabb(a, x) (x) +# define ioswabw(a, x) swab16(x) +# define ioswabl(a, x) swab32(x) +# define __mem_ioswabb(a, x) (x) +# define __mem_ioswabw(a, x) (x) +# define __mem_ioswabl(a, x) (x) +#endif + +#endif /* __ASM_AVR32_ARCH_AT32AP_IO_H */ diff --git a/arch/avr32/mach-at32ap/include/mach/irq.h b/arch/avr32/mach-at32ap/include/mach/irq.h new file mode 100644 index 00000000000..608e350368c --- /dev/null +++ b/arch/avr32/mach-at32ap/include/mach/irq.h @@ -0,0 +1,14 @@ +#ifndef __ASM_AVR32_ARCH_IRQ_H +#define __ASM_AVR32_ARCH_IRQ_H + +#define EIM_IRQ_BASE NR_INTERNAL_IRQS +#define NR_EIM_IRQS 32 +#define AT32_EXTINT(n) (EIM_IRQ_BASE + (n)) + +#define GPIO_IRQ_BASE (EIM_IRQ_BASE + NR_EIM_IRQS) +#define NR_GPIO_CTLR (5 /*internal*/ + 1 /*external*/) +#define NR_GPIO_IRQS (NR_GPIO_CTLR * 32) + +#define NR_IRQS (GPIO_IRQ_BASE + NR_GPIO_IRQS) + +#endif /* __ASM_AVR32_ARCH_IRQ_H */ diff --git a/arch/avr32/mach-at32ap/include/mach/pm.h b/arch/avr32/mach-at32ap/include/mach/pm.h new file mode 100644 index 00000000000..979b355b77b --- /dev/null +++ b/arch/avr32/mach-at32ap/include/mach/pm.h @@ -0,0 +1,51 @@ +/* + * AVR32 AP Power Management. + * + * Copyright (C) 2008 Atmel Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef __ASM_AVR32_ARCH_PM_H +#define __ASM_AVR32_ARCH_PM_H + +/* Possible arguments to the "sleep" instruction */ +#define CPU_SLEEP_IDLE 0 +#define CPU_SLEEP_FROZEN 1 +#define CPU_SLEEP_STANDBY 2 +#define CPU_SLEEP_STOP 3 +#define CPU_SLEEP_STATIC 5 + +#ifndef __ASSEMBLY__ +extern void cpu_enter_idle(void); +extern void cpu_enter_standby(unsigned long sdramc_base); + +extern bool disable_idle_sleep; + +static inline void cpu_disable_idle_sleep(void) +{ + disable_idle_sleep = true; +} + +static inline void cpu_enable_idle_sleep(void) +{ + disable_idle_sleep = false; +} + +static inline void cpu_idle_sleep(void) +{ + /* + * If we're using the COUNT and COMPARE registers for + * timekeeping, we can't use the IDLE state. + */ + if (disable_idle_sleep) + cpu_relax(); + else + cpu_enter_idle(); +} + +void intc_set_suspend_handler(unsigned long offset); +#endif + +#endif /* __ASM_AVR32_ARCH_PM_H */ diff --git a/arch/avr32/mach-at32ap/include/mach/portmux.h b/arch/avr32/mach-at32ap/include/mach/portmux.h new file mode 100644 index 00000000000..b1abe6b4e4e --- /dev/null +++ b/arch/avr32/mach-at32ap/include/mach/portmux.h @@ -0,0 +1,29 @@ +/* + * AT32 portmux interface. + * + * Copyright (C) 2006 Atmel Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef __ASM_ARCH_PORTMUX_H__ +#define __ASM_ARCH_PORTMUX_H__ + +/* + * Set up pin multiplexing, called from board init only. + * + * The following flags determine the initial state of the pin. + */ +#define AT32_GPIOF_PULLUP 0x00000001 /* (not-OUT) Enable pull-up */ +#define AT32_GPIOF_OUTPUT 0x00000002 /* (OUT) Enable output driver */ +#define AT32_GPIOF_HIGH 0x00000004 /* (OUT) Set output high */ +#define AT32_GPIOF_DEGLITCH 0x00000008 /* (IN) Filter glitches */ +#define AT32_GPIOF_MULTIDRV 0x00000010 /* Enable multidriver option */ + +void at32_select_periph(unsigned int pin, unsigned int periph, + unsigned long flags); +void at32_select_gpio(unsigned int pin, unsigned long flags); +void at32_reserve_pin(unsigned int pin); + +#endif /* __ASM_ARCH_PORTMUX_H__ */ diff --git a/arch/avr32/mach-at32ap/include/mach/smc.h b/arch/avr32/mach-at32ap/include/mach/smc.h new file mode 100644 index 00000000000..c98eea44a70 --- /dev/null +++ b/arch/avr32/mach-at32ap/include/mach/smc.h @@ -0,0 +1,113 @@ +/* + * Static Memory Controller for AT32 chips + * + * Copyright (C) 2006 Atmel Corporation + * + * Inspired by the OMAP2 General-Purpose Memory Controller interface + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef __ARCH_AT32AP_SMC_H +#define __ARCH_AT32AP_SMC_H + +/* + * All timing parameters are in nanoseconds. + */ +struct smc_timing { + /* Delay from address valid to assertion of given strobe */ + int ncs_read_setup; + int nrd_setup; + int ncs_write_setup; + int nwe_setup; + + /* Pulse length of given strobe */ + int ncs_read_pulse; + int nrd_pulse; + int ncs_write_pulse; + int nwe_pulse; + + /* Total cycle length of given operation */ + int read_cycle; + int write_cycle; + + /* Minimal recovery times, will extend cycle if needed */ + int ncs_read_recover; + int nrd_recover; + int ncs_write_recover; + int nwe_recover; +}; + +/* + * All timing parameters are in clock cycles. + */ +struct smc_config { + + /* Delay from address valid to assertion of given strobe */ + u8 ncs_read_setup; + u8 nrd_setup; + u8 ncs_write_setup; + u8 nwe_setup; + + /* Pulse length of given strobe */ + u8 ncs_read_pulse; + u8 nrd_pulse; + u8 ncs_write_pulse; + u8 nwe_pulse; + + /* Total cycle length of given operation */ + u8 read_cycle; + u8 write_cycle; + + /* Bus width in bytes */ + u8 bus_width; + + /* + * 0: Data is sampled on rising edge of NCS + * 1: Data is sampled on rising edge of NRD + */ + unsigned int nrd_controlled:1; + + /* + * 0: Data is driven on falling edge of NCS + * 1: Data is driven on falling edge of NWR + */ + unsigned int nwe_controlled:1; + + /* + * 0: NWAIT is disabled + * 1: Reserved + * 2: NWAIT is frozen mode + * 3: NWAIT in ready mode + */ + unsigned int nwait_mode:2; + + /* + * 0: Byte select access type + * 1: Byte write access type + */ + unsigned int byte_write:1; + + /* + * Number of clock cycles before data is released after + * the rising edge of the read controlling signal + * + * Total cycles from SMC is tdf_cycles + 1 + */ + unsigned int tdf_cycles:4; + + /* + * 0: TDF optimization disabled + * 1: TDF optimization enabled + */ + unsigned int tdf_mode:1; +}; + +extern void smc_set_timing(struct smc_config *config, + const struct smc_timing *timing); + +extern int smc_set_configuration(int cs, const struct smc_config *config); +extern struct smc_config *smc_get_configuration(int cs); + +#endif /* __ARCH_AT32AP_SMC_H */ diff --git a/arch/avr32/mach-at32ap/include/mach/sram.h b/arch/avr32/mach-at32ap/include/mach/sram.h new file mode 100644 index 00000000000..4838dae7601 --- /dev/null +++ b/arch/avr32/mach-at32ap/include/mach/sram.h @@ -0,0 +1,30 @@ +/* + * Simple SRAM allocator + * + * Copyright (C) 2008 Atmel Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef __ASM_AVR32_ARCH_SRAM_H +#define __ASM_AVR32_ARCH_SRAM_H + +#include <linux/genalloc.h> + +extern struct gen_pool *sram_pool; + +static inline unsigned long sram_alloc(size_t len) +{ + if (!sram_pool) + return 0UL; + + return gen_pool_alloc(sram_pool, len); +} + +static inline void sram_free(unsigned long addr, size_t len) +{ + return gen_pool_free(sram_pool, addr, len); +} + +#endif /* __ASM_AVR32_ARCH_SRAM_H */ |