at91busvar.h revision 1.2.4.2
1 1.2.4.2 wrstuden /* $Id: at91busvar.h,v 1.2.4.2 2008/09/18 04:33:19 wrstuden Exp $ */ 2 1.2.4.2 wrstuden /* $NetBSD: at91busvar.h,v 1.2.4.2 2008/09/18 04:33:19 wrstuden Exp $ */ 3 1.2.4.2 wrstuden 4 1.2.4.2 wrstuden /* 5 1.2.4.2 wrstuden * Copyright (c) 2007 Embedtronics Oy 6 1.2.4.2 wrstuden * All rights reserved. 7 1.2.4.2 wrstuden * 8 1.2.4.2 wrstuden * Redistribution and use in source and binary forms, with or without 9 1.2.4.2 wrstuden * modification, are permitted provided that the following conditions 10 1.2.4.2 wrstuden * are met: 11 1.2.4.2 wrstuden * 1. Redistributions of source code must retain the above copyright 12 1.2.4.2 wrstuden * notice, this list of conditions and the following disclaimer. 13 1.2.4.2 wrstuden * 2. Redistributions in binary form must reproduce the above copyright 14 1.2.4.2 wrstuden * notice, this list of conditions and the following disclaimer in the 15 1.2.4.2 wrstuden * documentation and/or other materials provided with the distribution. 16 1.2.4.2 wrstuden * 3. All advertising materials mentioning features or use of this software 17 1.2.4.2 wrstuden * must display the following acknowledgement: 18 1.2.4.2 wrstuden * This product includes software developed by Ichiro FUKUHARA. 19 1.2.4.2 wrstuden * 4. The name of the company nor the name of the author may be used to 20 1.2.4.2 wrstuden * endorse or promote products derived from this software without specific 21 1.2.4.2 wrstuden * prior written permission. 22 1.2.4.2 wrstuden * 23 1.2.4.2 wrstuden * THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA ``AS IS'' AND ANY EXPRESS OR 24 1.2.4.2 wrstuden * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 1.2.4.2 wrstuden * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 1.2.4.2 wrstuden * IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR 27 1.2.4.2 wrstuden * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 1.2.4.2 wrstuden * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 1.2.4.2 wrstuden * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 1.2.4.2 wrstuden * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 1.2.4.2 wrstuden * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 1.2.4.2 wrstuden * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 1.2.4.2 wrstuden * SUCH DAMAGE. 34 1.2.4.2 wrstuden */ 35 1.2.4.2 wrstuden 36 1.2.4.2 wrstuden #ifndef _AT91BUSVAR_H_ 37 1.2.4.2 wrstuden #define _AT91BUSVAR_H_ 38 1.2.4.2 wrstuden 39 1.2.4.2 wrstuden #include <sys/conf.h> 40 1.2.4.2 wrstuden #include <sys/device.h> 41 1.2.4.2 wrstuden #include <sys/queue.h> 42 1.2.4.2 wrstuden 43 1.2.4.2 wrstuden #include <machine/bus.h> 44 1.2.4.2 wrstuden #include <arm/at91/at91piovar.h> 45 1.2.4.2 wrstuden 46 1.2.4.2 wrstuden 47 1.2.4.2 wrstuden /* clocks: */ 48 1.2.4.2 wrstuden struct at91bus_clocks { 49 1.2.4.2 wrstuden u_int32_t slow; /* slow clock in Hz */ 50 1.2.4.2 wrstuden u_int32_t main; /* main clock in Hz */ 51 1.2.4.2 wrstuden u_int32_t cpu; /* processor clock in Hz */ 52 1.2.4.2 wrstuden u_int32_t master; /* master clock in Hz */ 53 1.2.4.2 wrstuden u_int32_t plla; /* PLLA clock */ 54 1.2.4.2 wrstuden u_int32_t pllb; /* PLLB clock */ 55 1.2.4.2 wrstuden }; 56 1.2.4.2 wrstuden 57 1.2.4.2 wrstuden extern struct at91bus_clocks at91bus_clocks; 58 1.2.4.2 wrstuden 59 1.2.4.2 wrstuden #define AT91_SCLK at91bus_clocks.slow 60 1.2.4.2 wrstuden #define AT91_MCLK at91bus_clocks.main 61 1.2.4.2 wrstuden #define AT91_PCLK at91bus_clocks.cpu 62 1.2.4.2 wrstuden #define AT91_MSTCLK at91bus_clocks.master 63 1.2.4.2 wrstuden #define AT91_PLLACLK at91bus_clocks.plla 64 1.2.4.2 wrstuden #define AT91_PLLBCLK at91bus_clocks.pllb 65 1.2.4.2 wrstuden 66 1.2.4.2 wrstuden 67 1.2.4.2 wrstuden /* at91bus attach arguments: */ 68 1.2.4.2 wrstuden struct at91bus_attach_args { 69 1.2.4.2 wrstuden bus_space_tag_t sa_iot; /* bus tag */ 70 1.2.4.2 wrstuden bus_dma_tag_t sa_dmat; /* DMA tag */ 71 1.2.4.2 wrstuden bus_addr_t sa_addr; /* I/O base address */ 72 1.2.4.2 wrstuden bus_size_t sa_size; /* I/O space size */ 73 1.2.4.2 wrstuden int sa_pid; /* peripheral ID */ 74 1.2.4.2 wrstuden }; 75 1.2.4.2 wrstuden 76 1.2.4.2 wrstuden 77 1.2.4.2 wrstuden struct at91bus_softc { 78 1.2.4.2 wrstuden device_t sc_dev; 79 1.2.4.2 wrstuden bus_space_tag_t sc_iot; 80 1.2.4.2 wrstuden bus_space_handle_t sc_ioh; 81 1.2.4.2 wrstuden bus_dma_tag_t sc_dmat; 82 1.2.4.2 wrstuden }; 83 1.2.4.2 wrstuden 84 1.2.4.2 wrstuden struct irqframe; 85 1.2.4.2 wrstuden 86 1.2.4.2 wrstuden struct at91bus_machdep { 87 1.2.4.2 wrstuden /* initialization: */ 88 1.2.4.2 wrstuden void (*init)(struct at91bus_clocks *); 89 1.2.4.2 wrstuden void (*attach_cn)(bus_space_tag_t, int speed, int flags); 90 1.2.4.2 wrstuden const struct pmap_devmap *(*devmap)(void); 91 1.2.4.2 wrstuden 92 1.2.4.2 wrstuden /* clocking support: */ 93 1.2.4.2 wrstuden void (*peripheral_clock)(int pid, int enable); 94 1.2.4.2 wrstuden 95 1.2.4.2 wrstuden /* PIO support: */ 96 1.2.4.2 wrstuden at91pio_port (*pio_port)(int pid); 97 1.2.4.2 wrstuden uint32_t (*gpio_mask)(int pid); 98 1.2.4.2 wrstuden 99 1.2.4.2 wrstuden /* interrupt handling support: */ 100 1.2.4.2 wrstuden void (*intr_init)(void); 101 1.2.4.2 wrstuden void *(*intr_establish)(int pid, int ipl, int type, int (*ih_func)(void *), void *arg); 102 1.2.4.2 wrstuden void (*intr_disestablish)(void *cookie); 103 1.2.4.2 wrstuden void (*intr_poll)(void *cookie, int flags); 104 1.2.4.2 wrstuden void (*intr_dispatch)(struct irqframe *); 105 1.2.4.2 wrstuden 106 1.2.4.2 wrstuden /* configuration */ 107 1.2.4.2 wrstuden const char *(*peripheral_name)(int pid); 108 1.2.4.2 wrstuden void (*search_peripherals)(device_t self, 109 1.2.4.2 wrstuden device_t (*found_func)(device_t, bus_addr_t, int pid)); 110 1.2.4.2 wrstuden }; 111 1.2.4.2 wrstuden typedef const struct at91bus_machdep * at91bus_tag_t; 112 1.2.4.2 wrstuden 113 1.2.4.2 wrstuden #ifdef AT91RM9200 114 1.2.4.2 wrstuden extern const struct at91bus_machdep at91rm9200bus; 115 1.2.4.2 wrstuden #endif 116 1.2.4.2 wrstuden 117 1.2.4.2 wrstuden extern u_int32_t at91_chip_id; 118 1.2.4.2 wrstuden #define AT91_CHIP_ID() at91_chip_id 119 1.2.4.2 wrstuden extern at91bus_tag_t at91bus_tag; 120 1.2.4.2 wrstuden extern struct bus_space at91_bs_tag; 121 1.2.4.2 wrstuden extern struct arm32_bus_dma_tag at91_bd_tag; 122 1.2.4.2 wrstuden 123 1.2.4.2 wrstuden 124 1.2.4.2 wrstuden extern int at91bus_init(void); 125 1.2.4.2 wrstuden struct _BootConfig; 126 1.2.4.2 wrstuden extern u_int at91bus_setup(struct _BootConfig *); 127 1.2.4.2 wrstuden extern bus_dma_tag_t at91_bus_dma_init(struct arm32_bus_dma_tag *); 128 1.2.4.2 wrstuden 129 1.2.4.2 wrstuden static __inline const struct pmap_devmap * 130 1.2.4.2 wrstuden at91_devmap(void) 131 1.2.4.2 wrstuden { 132 1.2.4.2 wrstuden return (*at91bus_tag->devmap)(); 133 1.2.4.2 wrstuden } 134 1.2.4.2 wrstuden 135 1.2.4.2 wrstuden static __inline void 136 1.2.4.2 wrstuden at91_peripheral_clock(int pid, int enable) 137 1.2.4.2 wrstuden { 138 1.2.4.2 wrstuden return (*at91bus_tag->peripheral_clock)(pid, enable); 139 1.2.4.2 wrstuden } 140 1.2.4.2 wrstuden 141 1.2.4.2 wrstuden static __inline const char * 142 1.2.4.2 wrstuden at91_peripheral_name(int pid) 143 1.2.4.2 wrstuden { 144 1.2.4.2 wrstuden return (*at91bus_tag->peripheral_name)(pid); 145 1.2.4.2 wrstuden } 146 1.2.4.2 wrstuden 147 1.2.4.2 wrstuden static __inline at91pio_port 148 1.2.4.2 wrstuden at91_pio_port(int pid) 149 1.2.4.2 wrstuden { 150 1.2.4.2 wrstuden return (*at91bus_tag->pio_port)(pid); 151 1.2.4.2 wrstuden } 152 1.2.4.2 wrstuden 153 1.2.4.2 wrstuden static __inline uint32_t 154 1.2.4.2 wrstuden at91_gpio_mask(int pid) 155 1.2.4.2 wrstuden { 156 1.2.4.2 wrstuden return (*at91bus_tag->gpio_mask)(pid); 157 1.2.4.2 wrstuden } 158 1.2.4.2 wrstuden 159 1.2.4.2 wrstuden static __inline void 160 1.2.4.2 wrstuden at91_intr_init(void) 161 1.2.4.2 wrstuden { 162 1.2.4.2 wrstuden return (*at91bus_tag->intr_init)(); 163 1.2.4.2 wrstuden } 164 1.2.4.2 wrstuden 165 1.2.4.2 wrstuden static __inline void * 166 1.2.4.2 wrstuden at91_intr_establish(int pid, int ipl, int type, 167 1.2.4.2 wrstuden int (*ih_func)(void *), void *ih_arg) 168 1.2.4.2 wrstuden { 169 1.2.4.2 wrstuden return (*at91bus_tag->intr_establish)(pid, ipl, type, ih_func, ih_arg); 170 1.2.4.2 wrstuden } 171 1.2.4.2 wrstuden 172 1.2.4.2 wrstuden static __inline void 173 1.2.4.2 wrstuden at91_intr_disestablish(void *cookie) 174 1.2.4.2 wrstuden { 175 1.2.4.2 wrstuden return (*at91bus_tag->intr_disestablish)(cookie); 176 1.2.4.2 wrstuden } 177 1.2.4.2 wrstuden 178 1.2.4.2 wrstuden static __inline void 179 1.2.4.2 wrstuden at91_intr_poll(void *cookie, int flags) 180 1.2.4.2 wrstuden { 181 1.2.4.2 wrstuden return (*at91bus_tag->intr_poll)(cookie, flags); 182 1.2.4.2 wrstuden } 183 1.2.4.2 wrstuden 184 1.2.4.2 wrstuden static __inline void 185 1.2.4.2 wrstuden at91_search_peripherals(device_t self, 186 1.2.4.2 wrstuden device_t (*found_func)(device_t, bus_addr_t, int pid)) 187 1.2.4.2 wrstuden { 188 1.2.4.2 wrstuden return (*at91bus_tag->search_peripherals)(self, found_func); 189 1.2.4.2 wrstuden } 190 1.2.4.2 wrstuden 191 1.2.4.2 wrstuden 192 1.2.4.2 wrstuden #endif /* _AT91BUSVAR_H_ */ 193
Indexes created Thu Oct 23 22:10:10 GMT 2025