diff options
Diffstat (limited to 'include/asm-avr32')
| -rw-r--r-- | include/asm-avr32/arch-at32ap700x/clk.h | 101 | ||||
| -rw-r--r-- | include/asm-avr32/arch-at32ap700x/gpio.h | 184 | ||||
| -rw-r--r-- | include/asm-avr32/arch-at32ap700x/portmux.h | 89 | ||||
| -rw-r--r-- | include/asm-avr32/arch-common/portmux-gpio.h | 193 | ||||
| -rw-r--r-- | include/asm-avr32/arch-common/portmux-pio.h | 138 | ||||
| -rw-r--r-- | include/asm-avr32/initcalls.h | 1 | ||||
| -rw-r--r-- | include/asm-avr32/sdram.h | 4 |
7 files changed, 528 insertions, 182 deletions
diff --git a/include/asm-avr32/arch-at32ap700x/clk.h b/include/asm-avr32/arch-at32ap700x/clk.h index 7817572..d83e93b 100644 --- a/include/asm-avr32/arch-at32ap700x/clk.h +++ b/include/asm-avr32/arch-at32ap700x/clk.h @@ -23,11 +23,14 @@ #define __ASM_AVR32_ARCH_CLK_H__ #include <asm/arch/chip-features.h> +#include <asm/arch/portmux.h> #ifdef CONFIG_PLL -#define MAIN_CLK_RATE ((CONFIG_SYS_OSC0_HZ / CONFIG_SYS_PLL0_DIV) * CONFIG_SYS_PLL0_MUL) +#define PLL0_RATE ((CONFIG_SYS_OSC0_HZ / CONFIG_SYS_PLL0_DIV) \ + * CONFIG_SYS_PLL0_MUL) +#define MAIN_CLK_RATE PLL0_RATE #else -#define MAIN_CLK_RATE (CONFIG_SYS_OSC0_HZ) +#define MAIN_CLK_RATE (CONFIG_SYS_OSC0_HZ) #endif static inline unsigned long get_cpu_clk_rate(void) @@ -82,9 +85,101 @@ static inline unsigned long get_spi_clk_rate(unsigned int dev_id) #endif extern void clk_init(void); -extern void gclk_init(void) __attribute__((weak)); /* Board code may need the SDRAM base clock as a compile-time constant */ #define SDRAMC_BUS_HZ (MAIN_CLK_RATE >> CONFIG_SYS_CLKDIV_HSB) +/* Generic clock control */ +enum gclk_parent { + GCLK_PARENT_OSC0 = 0, + GCLK_PARENT_OSC1 = 1, + GCLK_PARENT_PLL0 = 2, + GCLK_PARENT_PLL1 = 3, +}; + +/* Some generic clocks have specific roles */ +#define GCLK_DAC_SAMPLE_CLK 6 +#define GCLK_LCDC_PIXCLK 7 + +extern unsigned long __gclk_set_rate(unsigned int id, enum gclk_parent parent, + unsigned long rate, unsigned long parent_rate); + +/** + * gclk_set_rate - configure and enable a generic clock + * @id: Which GCLK[id] to enable + * @parent: Parent clock feeding the GCLK + * @rate: Target rate of the GCLK in Hz + * + * Returns the actual GCLK rate in Hz, after rounding to the nearest + * supported rate. + * + * All three parameters are usually constant, hence the inline. + */ +static inline unsigned long gclk_set_rate(unsigned int id, + enum gclk_parent parent, unsigned long rate) +{ + unsigned long parent_rate; + + if (id > 7) + return 0; + + switch (parent) { + case GCLK_PARENT_OSC0: + parent_rate = CONFIG_SYS_OSC0_HZ; + break; +#ifdef CONFIG_SYS_OSC1_HZ + case GCLK_PARENT_OSC1: + parent_rate = CONFIG_SYS_OSC1_HZ; + break; +#endif +#ifdef PLL0_RATE + case GCLK_PARENT_PLL0: + parent_rate = PLL0_RATE; + break; +#endif +#ifdef PLL1_RATE + case GCLK_PARENT_PLL1: + parent_rate = PLL1_RATE; + break; +#endif + default: + parent_rate = 0; + break; + } + + return __gclk_set_rate(id, parent, rate, parent_rate); +} + +/** + * gclk_enable_output - enable output on a GCLK pin + * @id: Which GCLK[id] pin to enable + * @drive_strength: Drive strength of external GCLK pin, if applicable + */ +static inline void gclk_enable_output(unsigned int id, + unsigned long drive_strength) +{ + switch (id) { + case 0: + portmux_select_peripheral(PORTMUX_PORT_A, 1 << 30, + PORTMUX_FUNC_A, drive_strength); + break; + case 1: + portmux_select_peripheral(PORTMUX_PORT_A, 1 << 31, + PORTMUX_FUNC_A, drive_strength); + break; + case 2: + portmux_select_peripheral(PORTMUX_PORT_B, 1 << 19, + PORTMUX_FUNC_A, drive_strength); + break; + case 3: + portmux_select_peripheral(PORTMUX_PORT_B, 1 << 29, + PORTMUX_FUNC_A, drive_strength); + break; + case 4: + portmux_select_peripheral(PORTMUX_PORT_B, 1 << 30, + PORTMUX_FUNC_A, drive_strength); + break; + } +} + #endif /* __ASM_AVR32_ARCH_CLK_H__ */ diff --git a/include/asm-avr32/arch-at32ap700x/gpio.h b/include/asm-avr32/arch-at32ap700x/gpio.h index 8c922c7..303e353 100644 --- a/include/asm-avr32/arch-at32ap700x/gpio.h +++ b/include/asm-avr32/arch-at32ap700x/gpio.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2006 Atmel Corporation + * Copyright (C) 2006, 2008 Atmel Corporation * * See file CREDITS for list of people who contributed to this * project. @@ -31,161 +31,17 @@ * Pin numbers identifying specific GPIO pins on the chip. */ #define GPIO_PIOA_BASE (0) -#define GPIO_PIN_PA0 (GPIO_PIOA_BASE + 0) -#define GPIO_PIN_PA1 (GPIO_PIOA_BASE + 1) -#define GPIO_PIN_PA2 (GPIO_PIOA_BASE + 2) -#define GPIO_PIN_PA3 (GPIO_PIOA_BASE + 3) -#define GPIO_PIN_PA4 (GPIO_PIOA_BASE + 4) -#define GPIO_PIN_PA5 (GPIO_PIOA_BASE + 5) -#define GPIO_PIN_PA6 (GPIO_PIOA_BASE + 6) -#define GPIO_PIN_PA7 (GPIO_PIOA_BASE + 7) -#define GPIO_PIN_PA8 (GPIO_PIOA_BASE + 8) -#define GPIO_PIN_PA9 (GPIO_PIOA_BASE + 9) -#define GPIO_PIN_PA10 (GPIO_PIOA_BASE + 10) -#define GPIO_PIN_PA11 (GPIO_PIOA_BASE + 11) -#define GPIO_PIN_PA12 (GPIO_PIOA_BASE + 12) -#define GPIO_PIN_PA13 (GPIO_PIOA_BASE + 13) -#define GPIO_PIN_PA14 (GPIO_PIOA_BASE + 14) -#define GPIO_PIN_PA15 (GPIO_PIOA_BASE + 15) -#define GPIO_PIN_PA16 (GPIO_PIOA_BASE + 16) -#define GPIO_PIN_PA17 (GPIO_PIOA_BASE + 17) -#define GPIO_PIN_PA18 (GPIO_PIOA_BASE + 18) -#define GPIO_PIN_PA19 (GPIO_PIOA_BASE + 19) -#define GPIO_PIN_PA20 (GPIO_PIOA_BASE + 20) -#define GPIO_PIN_PA21 (GPIO_PIOA_BASE + 21) -#define GPIO_PIN_PA22 (GPIO_PIOA_BASE + 22) -#define GPIO_PIN_PA23 (GPIO_PIOA_BASE + 23) -#define GPIO_PIN_PA24 (GPIO_PIOA_BASE + 24) -#define GPIO_PIN_PA25 (GPIO_PIOA_BASE + 25) -#define GPIO_PIN_PA26 (GPIO_PIOA_BASE + 26) -#define GPIO_PIN_PA27 (GPIO_PIOA_BASE + 27) -#define GPIO_PIN_PA28 (GPIO_PIOA_BASE + 28) -#define GPIO_PIN_PA29 (GPIO_PIOA_BASE + 29) -#define GPIO_PIN_PA30 (GPIO_PIOA_BASE + 30) -#define GPIO_PIN_PA31 (GPIO_PIOA_BASE + 31) - #define GPIO_PIOB_BASE (GPIO_PIOA_BASE + 32) -#define GPIO_PIN_PB0 (GPIO_PIOB_BASE + 0) -#define GPIO_PIN_PB1 (GPIO_PIOB_BASE + 1) -#define GPIO_PIN_PB2 (GPIO_PIOB_BASE + 2) -#define GPIO_PIN_PB3 (GPIO_PIOB_BASE + 3) -#define GPIO_PIN_PB4 (GPIO_PIOB_BASE + 4) -#define GPIO_PIN_PB5 (GPIO_PIOB_BASE + 5) -#define GPIO_PIN_PB6 (GPIO_PIOB_BASE + 6) -#define GPIO_PIN_PB7 (GPIO_PIOB_BASE + 7) -#define GPIO_PIN_PB8 (GPIO_PIOB_BASE + 8) -#define GPIO_PIN_PB9 (GPIO_PIOB_BASE + 9) -#define GPIO_PIN_PB10 (GPIO_PIOB_BASE + 10) -#define GPIO_PIN_PB11 (GPIO_PIOB_BASE + 11) -#define GPIO_PIN_PB12 (GPIO_PIOB_BASE + 12) -#define GPIO_PIN_PB13 (GPIO_PIOB_BASE + 13) -#define GPIO_PIN_PB14 (GPIO_PIOB_BASE + 14) -#define GPIO_PIN_PB15 (GPIO_PIOB_BASE + 15) -#define GPIO_PIN_PB16 (GPIO_PIOB_BASE + 16) -#define GPIO_PIN_PB17 (GPIO_PIOB_BASE + 17) -#define GPIO_PIN_PB18 (GPIO_PIOB_BASE + 18) -#define GPIO_PIN_PB19 (GPIO_PIOB_BASE + 19) -#define GPIO_PIN_PB20 (GPIO_PIOB_BASE + 20) -#define GPIO_PIN_PB21 (GPIO_PIOB_BASE + 21) -#define GPIO_PIN_PB22 (GPIO_PIOB_BASE + 22) -#define GPIO_PIN_PB23 (GPIO_PIOB_BASE + 23) -#define GPIO_PIN_PB24 (GPIO_PIOB_BASE + 24) -#define GPIO_PIN_PB25 (GPIO_PIOB_BASE + 25) -#define GPIO_PIN_PB26 (GPIO_PIOB_BASE + 26) -#define GPIO_PIN_PB27 (GPIO_PIOB_BASE + 27) -#define GPIO_PIN_PB28 (GPIO_PIOB_BASE + 28) -#define GPIO_PIN_PB29 (GPIO_PIOB_BASE + 29) -#define GPIO_PIN_PB30 (GPIO_PIOB_BASE + 30) - #define GPIO_PIOC_BASE (GPIO_PIOB_BASE + 32) -#define GPIO_PIN_PC0 (GPIO_PIOC_BASE + 0) -#define GPIO_PIN_PC1 (GPIO_PIOC_BASE + 1) -#define GPIO_PIN_PC2 (GPIO_PIOC_BASE + 2) -#define GPIO_PIN_PC3 (GPIO_PIOC_BASE + 3) -#define GPIO_PIN_PC4 (GPIO_PIOC_BASE + 4) -#define GPIO_PIN_PC5 (GPIO_PIOC_BASE + 5) -#define GPIO_PIN_PC6 (GPIO_PIOC_BASE + 6) -#define GPIO_PIN_PC7 (GPIO_PIOC_BASE + 7) -#define GPIO_PIN_PC8 (GPIO_PIOC_BASE + 8) -#define GPIO_PIN_PC9 (GPIO_PIOC_BASE + 9) -#define GPIO_PIN_PC10 (GPIO_PIOC_BASE + 10) -#define GPIO_PIN_PC11 (GPIO_PIOC_BASE + 11) -#define GPIO_PIN_PC12 (GPIO_PIOC_BASE + 12) -#define GPIO_PIN_PC13 (GPIO_PIOC_BASE + 13) -#define GPIO_PIN_PC14 (GPIO_PIOC_BASE + 14) -#define GPIO_PIN_PC15 (GPIO_PIOC_BASE + 15) -#define GPIO_PIN_PC16 (GPIO_PIOC_BASE + 16) -#define GPIO_PIN_PC17 (GPIO_PIOC_BASE + 17) -#define GPIO_PIN_PC18 (GPIO_PIOC_BASE + 18) -#define GPIO_PIN_PC19 (GPIO_PIOC_BASE + 19) -#define GPIO_PIN_PC20 (GPIO_PIOC_BASE + 20) -#define GPIO_PIN_PC21 (GPIO_PIOC_BASE + 21) -#define GPIO_PIN_PC22 (GPIO_PIOC_BASE + 22) -#define GPIO_PIN_PC23 (GPIO_PIOC_BASE + 23) -#define GPIO_PIN_PC24 (GPIO_PIOC_BASE + 24) -#define GPIO_PIN_PC25 (GPIO_PIOC_BASE + 25) -#define GPIO_PIN_PC26 (GPIO_PIOC_BASE + 26) -#define GPIO_PIN_PC27 (GPIO_PIOC_BASE + 27) -#define GPIO_PIN_PC28 (GPIO_PIOC_BASE + 28) -#define GPIO_PIN_PC29 (GPIO_PIOC_BASE + 29) -#define GPIO_PIN_PC30 (GPIO_PIOC_BASE + 30) -#define GPIO_PIN_PC31 (GPIO_PIOC_BASE + 31) - #define GPIO_PIOD_BASE (GPIO_PIOC_BASE + 32) -#define GPIO_PIN_PD0 (GPIO_PIOD_BASE + 0) -#define GPIO_PIN_PD1 (GPIO_PIOD_BASE + 1) -#define GPIO_PIN_PD2 (GPIO_PIOD_BASE + 2) -#define GPIO_PIN_PD3 (GPIO_PIOD_BASE + 3) -#define GPIO_PIN_PD4 (GPIO_PIOD_BASE + 4) -#define GPIO_PIN_PD5 (GPIO_PIOD_BASE + 5) -#define GPIO_PIN_PD6 (GPIO_PIOD_BASE + 6) -#define GPIO_PIN_PD7 (GPIO_PIOD_BASE + 7) -#define GPIO_PIN_PD8 (GPIO_PIOD_BASE + 8) -#define GPIO_PIN_PD9 (GPIO_PIOD_BASE + 9) -#define GPIO_PIN_PD10 (GPIO_PIOD_BASE + 10) -#define GPIO_PIN_PD11 (GPIO_PIOD_BASE + 11) -#define GPIO_PIN_PD12 (GPIO_PIOD_BASE + 12) -#define GPIO_PIN_PD13 (GPIO_PIOD_BASE + 13) -#define GPIO_PIN_PD14 (GPIO_PIOD_BASE + 14) -#define GPIO_PIN_PD15 (GPIO_PIOD_BASE + 15) -#define GPIO_PIN_PD16 (GPIO_PIOD_BASE + 16) -#define GPIO_PIN_PD17 (GPIO_PIOD_BASE + 17) - #define GPIO_PIOE_BASE (GPIO_PIOD_BASE + 32) -#define GPIO_PIN_PE0 (GPIO_PIOE_BASE + 0) -#define GPIO_PIN_PE1 (GPIO_PIOE_BASE + 1) -#define GPIO_PIN_PE2 (GPIO_PIOE_BASE + 2) -#define GPIO_PIN_PE3 (GPIO_PIOE_BASE + 3) -#define GPIO_PIN_PE4 (GPIO_PIOE_BASE + 4) -#define GPIO_PIN_PE5 (GPIO_PIOE_BASE + 5) -#define GPIO_PIN_PE6 (GPIO_PIOE_BASE + 6) -#define GPIO_PIN_PE7 (GPIO_PIOE_BASE + 7) -#define GPIO_PIN_PE8 (GPIO_PIOE_BASE + 8) -#define GPIO_PIN_PE9 (GPIO_PIOE_BASE + 9) -#define GPIO_PIN_PE10 (GPIO_PIOE_BASE + 10) -#define GPIO_PIN_PE11 (GPIO_PIOE_BASE + 11) -#define GPIO_PIN_PE12 (GPIO_PIOE_BASE + 12) -#define GPIO_PIN_PE13 (GPIO_PIOE_BASE + 13) -#define GPIO_PIN_PE14 (GPIO_PIOE_BASE + 14) -#define GPIO_PIN_PE15 (GPIO_PIOE_BASE + 15) -#define GPIO_PIN_PE16 (GPIO_PIOE_BASE + 16) -#define GPIO_PIN_PE17 (GPIO_PIOE_BASE + 17) -#define GPIO_PIN_PE18 (GPIO_PIOE_BASE + 18) -#define GPIO_PIN_PE19 (GPIO_PIOE_BASE + 19) -#define GPIO_PIN_PE20 (GPIO_PIOE_BASE + 20) -#define GPIO_PIN_PE21 (GPIO_PIOE_BASE + 21) -#define GPIO_PIN_PE22 (GPIO_PIOE_BASE + 22) -#define GPIO_PIN_PE23 (GPIO_PIOE_BASE + 23) -#define GPIO_PIN_PE24 (GPIO_PIOE_BASE + 24) -#define GPIO_PIN_PE25 (GPIO_PIOE_BASE + 25) -#define GPIO_PIN_PE26 (GPIO_PIOE_BASE + 26) +#define GPIO_PIN_PA(x) (GPIO_PIOA_BASE + (x)) +#define GPIO_PIN_PB(x) (GPIO_PIOB_BASE + (x)) +#define GPIO_PIN_PC(x) (GPIO_PIOC_BASE + (x)) +#define GPIO_PIN_PD(x) (GPIO_PIOD_BASE + (x)) +#define GPIO_PIN_PE(x) (GPIO_PIOE_BASE + (x)) -#define GPIOF_PULLUP 0x00000001 /* (not-OUT) Enable pull-up */ -#define GPIOF_OUTPUT 0x00000002 /* (OUT) Enable output driver */ -#define GPIOF_DEGLITCH 0x00000004 /* (IN) Filter glitches */ -#define GPIOF_MULTIDRV 0x00000008 /* Enable multidriver option */ - -static inline void *gpio_pin_to_addr(unsigned int pin) +static inline void *pio_pin_to_port(unsigned int pin) { switch (pin >> 5) { case 0: @@ -203,30 +59,6 @@ static inline void *gpio_pin_to_addr(unsigned int pin) } } -void gpio_select_periph_A(unsigned int pin, int use_pullup); -void gpio_select_periph_B(unsigned int pin, int use_pullup); -void gpio_select_pio(unsigned int pin, unsigned long gpiof_flags); -void gpio_set_value(unsigned int pin, int value); -int gpio_get_value(unsigned int pin); - -void gpio_enable_ebi(void); - -#ifdef AT32AP700x_CHIP_HAS_USART -void gpio_enable_usart0(void); -void gpio_enable_usart1(void); -void gpio_enable_usart2(void); -void gpio_enable_usart3(void); -#endif -#ifdef AT32AP700x_CHIP_HAS_MACB -void gpio_enable_macb0(void); -void gpio_enable_macb1(void); -#endif -#ifdef AT32AP700x_CHIP_HAS_MMCI -void gpio_enable_mmci(void); -#endif -#ifdef AT32AP700x_CHIP_HAS_SPI -void gpio_enable_spi0(unsigned long cs_mask); -void gpio_enable_spi1(unsigned long cs_mask); -#endif +#include <asm/arch-common/portmux-pio.h> #endif /* __ASM_AVR32_ARCH_GPIO_H__ */ diff --git a/include/asm-avr32/arch-at32ap700x/portmux.h b/include/asm-avr32/arch-at32ap700x/portmux.h new file mode 100644 index 0000000..96fe70d --- /dev/null +++ b/include/asm-avr32/arch-at32ap700x/portmux.h @@ -0,0 +1,89 @@ +/* + * Copyright (C) 2006, 2008 Atmel Corporation + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ +#ifndef __ASM_AVR32_ARCH_PORTMUX_H__ +#define __ASM_AVR32_ARCH_PORTMUX_H__ + +#include <asm/arch/gpio.h> + +#define PORTMUX_PORT_A ((void *)PIOA_BASE) +#define PORTMUX_PORT_B ((void *)PIOB_BASE) +#define PORTMUX_PORT_C ((void *)PIOC_BASE) +#define PORTMUX_PORT_D ((void *)PIOD_BASE) +#define PORTMUX_PORT_E ((void *)PIOE_BASE) + +void portmux_enable_ebi(unsigned int bus_width, unsigned int addr_width, + unsigned long flags, unsigned long drive_strength); + +#define PORTMUX_EBI_CS(x) (1 << (x)) +#define PORTMUX_EBI_NAND (1 << 6) +#define PORTMUX_EBI_CF(x) (1 << ((x) + 7)) +#define PORTMUX_EBI_NWAIT (1 << 9) + +#ifdef AT32AP700x_CHIP_HAS_USART +static inline void portmux_enable_usart0(unsigned long drive_strength) +{ + portmux_select_peripheral(PORTMUX_PORT_A, (1 << 8) | (1 << 9), + PORTMUX_FUNC_B, 0); +} + +static inline void portmux_enable_usart1(unsigned long drive_strength) +{ + portmux_select_peripheral(PORTMUX_PORT_A, (1 << 17) | (1 << 18), + PORTMUX_FUNC_A, 0); +} + +static inline void portmux_enable_usart2(unsigned long drive_strength) +{ + portmux_select_peripheral(PORTMUX_PORT_B, (1 << 26) | (1 << 27), + PORTMUX_FUNC_B, 0); +} + +static inline void portmux_enable_usart3(unsigned long drive_strength) +{ + portmux_select_peripheral(PORTMUX_PORT_B, (1 << 17) | (1 << 18), + PORTMUX_FUNC_B, 0); +} +#endif +#ifdef AT32AP700x_CHIP_HAS_MACB +void portmux_enable_macb0(unsigned long flags, unsigned long drive_strength); +void portmux_enable_macb1(unsigned long flags, unsigned long drive_strength); + +#define PORTMUX_MACB_RMII (0) +#define PORTMUX_MACB_MII (1 << 0) +#define PORTMUX_MACB_SPEED (1 << 1) + +#endif +#ifdef AT32AP700x_CHIP_HAS_MMCI +void portmux_enable_mmci(unsigned int slot, unsigned long flags, + unsigned long drive_strength); + +#define PORTMUX_MMCI_4BIT (1 << 0) +#define PORTMUX_MMCI_8BIT (PORTMUX_MMCI_4BIT | (1 << 1)) +#define PORTMUX_MMCI_EXT_PULLUP (1 << 2) + +#endif +#ifdef AT32AP700x_CHIP_HAS_SPI +void portmux_enable_spi0(unsigned long cs_mask, unsigned long drive_strength); +void portmux_enable_spi1(unsigned long cs_mask, unsigned long drive_strength); +#endif + +#endif /* __ASM_AVR32_ARCH_PORTMUX_H__ */ diff --git a/include/asm-avr32/arch-common/portmux-gpio.h b/include/asm-avr32/arch-common/portmux-gpio.h new file mode 100644 index 0000000..24943ec --- /dev/null +++ b/include/asm-avr32/arch-common/portmux-gpio.h @@ -0,0 +1,193 @@ +/* + * Copyright (C) 2008 Atmel Corporation + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ +#ifndef __AVR32_PORTMUX_GPIO_H__ +#define __AVR32_PORTMUX_GPIO_H__ + +#include <asm/io.h> + +/* Register offsets */ +struct gpio_regs { + u32 GPER; + u32 GPERS; + u32 GPERC; + u32 GPERT; + u32 PMR0; + u32 PMR0S; + u32 PMR0C; + u32 PMR0T; + u32 PMR1; + u32 PMR1S; + u32 PMR1C; + u32 PMR1T; + u32 __reserved0[4]; + u32 ODER; + u32 ODERS; + u32 ODERC; + u32 ODERT; + u32 OVR; + u32 OVRS; + u32 OVRC; + u32 OVRT; + u32 PVR; + u32 __reserved_PVRS; + u32 __reserved_PVRC; + u32 __reserved_PVRT; + u32 PUER; + u32 PUERS; + u32 PUERC; + u32 PUERT; + u32 PDER; + u32 PDERS; + u32 PDERC; + u32 PDERT; + u32 IER; + u32 IERS; + u32 IERC; + u32 IERT; + u32 IMR0; + u32 IMR0S; + u32 IMR0C; + u32 IMR0T; + u32 IMR1; + u32 IMR1S; + u32 IMR1C; + u32 IMR1T; + u32 GFER; + u32 GFERS; + u32 GFERC; + u32 GFERT; + u32 IFR; + u32 __reserved_IFRS; + u32 IFRC; + u32 __reserved_IFRT; + u32 ODMER; + u32 ODMERS; + u32 ODMERC; + u32 ODMERT; + u32 __reserved1[4]; + u32 ODCR0; + u32 ODCR0S; + u32 ODCR0C; + u32 ODCR0T; + u32 ODCR1; + u32 ODCR1S; + u32 ODCR1C; + u32 ODCR1T; + u32 __reserved2[4]; + u32 OSRR0; + u32 OSRR0S; + u32 OSRR0C; + u32 OSRR0T; + u32 __reserved3[8]; + u32 STER; + u32 STERS; + u32 STERC; + u32 STERT; + u32 __reserved4[35]; + u32 VERSION; +}; + +/* Register access macros */ +#define gpio_readl(port, reg) \ + __raw_readl(&((struct gpio_regs *)port)->reg) +#define gpio_writel(gpio, reg, value) \ + __raw_writel(value, &((struct gpio_regs *)port)->reg) + +/* Portmux API starts here. See doc/README.AVR32-port-muxing */ + +enum portmux_function { + PORTMUX_FUNC_A, + PORTMUX_FUNC_B, + PORTMUX_FUNC_C, + PORTMUX_FUNC_D, +}; + +#define PORTMUX_DIR_INPUT (0 << 0) +#define PORTMUX_DIR_OUTPUT (1 << 0) +#define PORTMUX_INIT_LOW (0 << 1) +#define PORTMUX_INIT_HIGH (1 << 1) +#define PORTMUX_PULL_UP (1 << 2) +#define PORTMUX_PULL_DOWN (2 << 2) +#define PORTMUX_BUSKEEPER (3 << 2) +#define PORTMUX_DRIVE_MIN (0 << 4) +#define PORTMUX_DRIVE_LOW (1 << 4) +#define PORTMUX_DRIVE_HIGH (2 << 4) +#define PORTMUX_DRIVE_MAX (3 << 4) +#define PORTMUX_OPEN_DRAIN (1 << 6) + +void portmux_select_peripheral(void *port, unsigned long pin_mask, + enum portmux_function func, unsigned long flags); +void portmux_select_gpio(void *port, unsigned long pin_mask, + unsigned long flags); + +/* Internal helper functions */ + +static inline void *gpio_pin_to_port(unsigned int pin) +{ + return (void *)GPIO_BASE + (pin >> 5) * 0x200; +} + +static inline void __gpio_set_output_value(void *port, unsigned int pin, + int value) +{ + if (value) + gpio_writel(port, OVRS, 1 << pin); + else + gpio_writel(port, OVRC, 1 << pin); +} + +static inline int __gpio_get_input_value(void *port, unsigned int pin) +{ + return (gpio_readl(port, PVR) >> pin) & 1; +} + +void gpio_set_output_value(unsigned int pin, int value); +int gpio_get_input_value(unsigned int pin); + +/* GPIO API starts here */ + +/* + * GCC doesn't realize that the constant case is extremely trivial, + * so we need to help it make the right decision by using + * always_inline. + */ +__attribute__((always_inline)) +static inline void gpio_set_value(unsigned int pin, int value) +{ + if (__builtin_constant_p(pin)) + __gpio_set_output_value(gpio_pin_to_port(pin), + pin & 0x1f, value); + else + gpio_set_output_value(pin, value); +} + +__attribute__((always_inline)) +static inline int gpio_get_value(unsigned int pin) +{ + if (__builtin_constant_p(pin)) + return __gpio_get_input_value(gpio_pin_to_port(pin), + pin & 0x1f); + else + return gpio_get_input_value(pin); +} + +#endif /* __AVR32_PORTMUX_GPIO_H__ */ diff --git a/include/asm-avr32/arch-common/portmux-pio.h b/include/asm-avr32/arch-common/portmux-pio.h new file mode 100644 index 0000000..1abe5be --- /dev/null +++ b/include/asm-avr32/arch-common/portmux-pio.h @@ -0,0 +1,138 @@ +/* + * Copyright (C) 2006, 2008 Atmel Corporation + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ +#ifndef __AVR32_PORTMUX_PIO_H__ +#define __AVR32_PORTMUX_PIO_H__ + +#include <asm/io.h> + +/* PIO register offsets */ +#define PIO_PER 0x0000 +#define PIO_PDR 0x0004 +#define PIO_PSR 0x0008 +#define PIO_OER 0x0010 +#define PIO_ODR 0x0014 +#define PIO_OSR 0x0018 +#define PIO_IFER 0x0020 +#define PIO_IFDR 0x0024 +#define PIO_ISFR 0x0028 +#define PIO_SODR 0x0030 +#define PIO_CODR 0x0034 +#define PIO_ODSR 0x0038 +#define PIO_PDSR 0x003c +#define PIO_IER 0x0040 +#define PIO_IDR 0x0044 +#define PIO_IMR 0x0048 +#define PIO_ISR 0x004c +#define PIO_MDER 0x0050 +#define PIO_MDDR 0x0054 +#define PIO_MDSR 0x0058 +#define PIO_PUDR 0x0060 +#define PIO_PUER 0x0064 +#define PIO_PUSR 0x0068 +#define PIO_ASR 0x0070 +#define PIO_BSR 0x0074 +#define PIO_ABSR 0x0078 +#define PIO_OWER 0x00a0 +#define PIO_OWDR 0x00a4 +#define PIO_OWSR 0x00a8 + +/* Hardware register access */ +#define pio_readl(base, reg) \ + __raw_readl((void *)base + PIO_##reg) +#define pio_writel(base, reg, value) \ + __raw_writel((value), (void *)base + PIO_##reg) + +/* Portmux API starts here. See doc/README.AVR32-port-muxing */ + +enum portmux_function { + PORTMUX_FUNC_A, + PORTMUX_FUNC_B, +}; + +/* Pull-down, buskeeper and drive strength are not supported */ +#define PORTMUX_DIR_INPUT (0 << 0) +#define PORTMUX_DIR_OUTPUT (1 << 0) +#define PORTMUX_INIT_LOW (0 << 1) +#define PORTMUX_INIT_HIGH (1 << 1) +#define PORTMUX_PULL_UP (1 << 2) +#define PORTMUX_PULL_DOWN (0) +#define PORTMUX_BUSKEEPER PORTMUX_PULL_UP +#define PORTMUX_DRIVE_MIN (0) +#define PORTMUX_DRIVE_LOW (0) +#define PORTMUX_DRIVE_HIGH (0) +#define PORTMUX_DRIVE_MAX (0) +#define PORTMUX_OPEN_DRAIN (1 << 3) + +void portmux_select_peripheral(void *port, unsigned long pin_mask, + enum portmux_function func, unsigned long flags); +void portmux_select_gpio(void *port, unsigned long pin_mask, + unsigned long flags); + +/* Internal helper functions */ + +static inline void __pio_set_output_value(void *port, unsigned int pin, + int value) +{ + /* + * value will usually be constant, but it's pretty cheap + * either way. + */ + if (value) + pio_writel(port, SODR, 1 << pin); + else + pio_writel(port, CODR, 1 << pin); +} + +static inline int __pio_get_input_value(void *port, unsigned int pin) +{ + return (pio_readl(port, PDSR) >> pin) & 1; +} + +void pio_set_output_value(unsigned int pin, int value); +int pio_get_input_value(unsigned int pin); + +/* GPIO API starts here */ + +/* + * GCC doesn't realize that the constant case is extremely trivial, + * so we need to help it make the right decision by using + * always_inline. + */ +__attribute__((always_inline)) +static inline void gpio_set_value(unsigned int pin, int value) +{ + if (__builtin_constant_p(pin)) + __pio_set_output_value(pio_pin_to_port(pin), pin & 0x1f, value); + else + pio_set_output_value(pin, value); +} + +__attribute__((always_inline)) +static inline int gpio_get_value(unsigned int pin) +{ + if (__builtin_constant_p(pin)) + return __pio_get_input_value(pio_pin_to_port(pin), pin & 0x1f); + else + return pio_get_input_value(pin); +} + +#endif /* __AVR32_PORTMUX_PIO_H__ */ diff --git a/include/asm-avr32/initcalls.h b/include/asm-avr32/initcalls.h index 583e5dc..57a278b 100644 --- a/include/asm-avr32/initcalls.h +++ b/include/asm-avr32/initcalls.h @@ -26,6 +26,5 @@ extern int cpu_init(void); extern int timer_init(void); -extern void board_init_info(void); #endif /* __ASM_AVR32_INITCALLS_H__ */ diff --git a/include/asm-avr32/sdram.h b/include/asm-avr32/sdram.h index 7bdefc1..762acfa 100644 --- a/include/asm-avr32/sdram.h +++ b/include/asm-avr32/sdram.h @@ -25,8 +25,8 @@ struct sdram_config { /* Number of data bits. */ enum { - SDRAM_DATA_16BIT, - SDRAM_DATA_32BIT, + SDRAM_DATA_16BIT = 16, + SDRAM_DATA_32BIT = 32, } data_bits; /* Number of address bits */ |