diff options
Diffstat (limited to 'target/linux/rb532/files/include/asm-mips')
| -rw-r--r-- | target/linux/rb532/files/include/asm-mips/rc32434/gpio.h | 150 |
1 files changed, 29 insertions, 121 deletions
diff --git a/target/linux/rb532/files/include/asm-mips/rc32434/gpio.h b/target/linux/rb532/files/include/asm-mips/rc32434/gpio.h index 393259342..859b9c921 100644 --- a/target/linux/rb532/files/include/asm-mips/rc32434/gpio.h +++ b/target/linux/rb532/files/include/asm-mips/rc32434/gpio.h @@ -37,132 +37,40 @@ struct rb500_gpio_reg { u32 gpionmien; /* GPIO Non-maskable Interrupt Enable Register */ }; -enum gpio_regs -{ - GPIO_gpio_v = 0, // gpiofunc use pin as GPIO. - GPIO_alt_v = 1, // gpiofunc use pin as alt. - GPIO_input_v = 0, // gpiocfg use pin as input. - GPIO_output_v = 1, // gpiocfg use pin as output. - GPIO_pin0_b = 0, - GPIO_pin0_m = 0x00000001, - GPIO_pin1_b = 1, - GPIO_pin1_m = 0x00000002, - GPIO_pin2_b = 2, - GPIO_pin2_m = 0x00000004, - GPIO_pin3_b = 3, - GPIO_pin3_m = 0x00000008, - GPIO_pin4_b = 4, - GPIO_pin4_m = 0x00000010, - GPIO_pin5_b = 5, - GPIO_pin5_m = 0x00000020, - GPIO_pin6_b = 6, - GPIO_pin6_m = 0x00000040, - GPIO_pin7_b = 7, - GPIO_pin7_m = 0x00000080, - GPIO_pin8_b = 8, - GPIO_pin8_m = 0x00000100, - GPIO_pin9_b = 9, - GPIO_pin9_m = 0x00000200, - GPIO_pin10_b = 10, - GPIO_pin10_m = 0x00000400, - GPIO_pin11_b = 11, - GPIO_pin11_m = 0x00000800, - GPIO_pin12_b = 12, - GPIO_pin12_m = 0x00001000, - GPIO_pin13_b = 13, - GPIO_pin13_m = 0x00002000, - GPIO_pin14_b = 14, - GPIO_pin14_m = 0x00004000, - GPIO_pin15_b = 15, - GPIO_pin15_m = 0x00008000, - GPIO_pin16_b = 16, - GPIO_pin16_m = 0x00010000, - GPIO_pin17_b = 17, - GPIO_pin17_m = 0x00020000, - GPIO_pin18_b = 18, - GPIO_pin18_m = 0x00040000, - GPIO_pin19_b = 19, - GPIO_pin19_m = 0x00080000, - GPIO_pin20_b = 20, - GPIO_pin20_m = 0x00100000, - GPIO_pin21_b = 21, - GPIO_pin21_m = 0x00200000, - GPIO_pin22_b = 22, - GPIO_pin22_m = 0x00400000, - GPIO_pin23_b = 23, - GPIO_pin23_m = 0x00800000, - GPIO_pin24_b = 24, - GPIO_pin24_m = 0x01000000, - GPIO_pin25_b = 25, - GPIO_pin25_m = 0x02000000, - GPIO_pin26_b = 26, - GPIO_pin26_m = 0x04000000, - GPIO_pin27_b = 27, - GPIO_pin27_m = 0x08000000, - GPIO_pin28_b = 28, - GPIO_pin28_m = 0x10000000, - GPIO_pin29_b = 29, - GPIO_pin29_m = 0x20000000, - GPIO_pin30_b = 30, - GPIO_pin30_m = 0x40000000, - GPIO_pin31_b = 31, - GPIO_pin31_m = 0x80000000, - -// Alternate function pins. Corrsponding gpiofunc bit set to GPIO_alt_v. - - GPIO_u0sout_b = GPIO_pin0_b, // UART 0 serial out. - GPIO_u0sout_m = GPIO_pin0_m, - GPIO_u0sout_cfg_v = GPIO_output_v, - GPIO_u0sinp_b = GPIO_pin1_b, // UART 0 serial in. - GPIO_u0sinp_m = GPIO_pin1_m, - GPIO_u0sinp_cfg_v = GPIO_input_v, - GPIO_u0rtsn_b = GPIO_pin2_b, // UART 0 req. to send. - GPIO_u0rtsn_m = GPIO_pin2_m, - GPIO_u0rtsn_cfg_v = GPIO_output_v, - GPIO_u0ctsn_b = GPIO_pin3_b, // UART 0 clear to send. - GPIO_u0ctsn_m = GPIO_pin3_m, - GPIO_u0ctsn_cfg_v = GPIO_input_v, - GPIO_maddr22_b = GPIO_pin4_b, // M&P bus bit 22. - GPIO_maddr22_m = GPIO_pin4_m, - GPIO_maddr22_cfg_v = GPIO_output_v, - - GPIO_maddr23_b = GPIO_pin5_b, // M&P bus bit 23. - GPIO_maddr23_m = GPIO_pin5_m, - GPIO_maddr23_cfg_v = GPIO_output_v, - - GPIO_maddr24_b = GPIO_pin6_b, // M&P bus bit 24. - GPIO_maddr24_m = GPIO_pin6_m, - GPIO_maddr24_cfg_v = GPIO_output_v, - - GPIO_maddr25_b = GPIO_pin7_b, // M&P bus bit 25. - GPIO_maddr25_m = GPIO_pin7_m, - GPIO_maddr25_cfg_v = GPIO_output_v, - - GPIO_cpu_b = GPIO_pin8_b, // M&P bus bit 25. - GPIO_cpu_m = GPIO_pin8_m, - GPIO_cpu_cfg_v = GPIO_output_v, - GPIO_afspare6_b = GPIO_pin9_b, // reserved. - GPIO_afspare6_m = GPIO_pin9_m, - GPIO_afspare6_cfg_v = GPIO_input_v, - GPIO_afspare4_b = GPIO_pin10_b, // reserved. - GPIO_afspare4_m = GPIO_pin10_m, - GPIO_afspare4_cfg_v = GPIO_input_v, - GPIO_afspare3_b = GPIO_pin11_b, // reserved. - GPIO_afspare3_m = GPIO_pin11_m, - GPIO_afspare3_cfg_v = GPIO_input_v, - GPIO_afspare2_b = GPIO_pin12_b, // reserved. - GPIO_afspare2_m = GPIO_pin12_m, - GPIO_afspare2_cfg_v = GPIO_input_v, - GPIO_pcimuintn_b = GPIO_pin13_b, // PCI messaging int. - GPIO_pcimuintn_m = GPIO_pin13_m, - GPIO_pcimuintn_cfg_v = GPIO_output_v, - -}; +/* UART GPIO signals */ +#define RC32434_UART0_SOUT (1 << 0) +#define RC32434_UART0_SIN (1 << 1) +#define RC32434_UART0_RTS (1 << 2) +#define RC32434_UART0_CTS (1 << 3) + +/* M & P bus GPIO signals */ +#define RC32434_MP_BIT_22 (1 << 4) +#define RC32434_MP_BIT_23 (1 << 5) +#define RC32434_MP_BIT_24 (1 << 6) +#define RC32434_MP_BIT_25 (1 << 7) + +/* CPU GPIO signals */ +#define RC32434_CPU_GPIO (1 << 8) + +/* Reserved GPIO signals */ +#define RC32434_AF_SPARE_6 (1 << 9) +#define RC32434_AF_SPARE_4 (1 << 10) +#define RC32434_AF_SPARE_3 (1 << 11) +#define RC32434_AF_SPARE_2 (1 << 12) + +/* PCI messaging unit */ +#define RC32434_PCI_MSU_GPIO (1 << 13) extern int rb500_gpio_get_value(unsigned gpio); extern void rb500_gpio_set_value(unsigned gpio, int value); extern int rb500_gpio_direction_input(unsigned gpio); extern int rb500_gpio_direction_output(unsigned gpio, int value); +extern void rb500_gpio_set_int_level(unsigned gpio, int value); +extern int rb500_gpio_get_int_level(unsigned gpio); +extern void rb500_gpio_set_int_status(unsigned gpio, int value); +extern int rb500_gpio_get_int_status(unsigned gpio); +extern void rb500_gpio_set_func(unsigned gpio, int value); +extern int rb500_gpio_get_func(unsigned gpio); /* Wrappers for the arch-neutral GPIO API */ |