1 | /* |
---|
2 | * bsp.h -- contain BSP API definition. |
---|
3 | */ |
---|
4 | |
---|
5 | /* |
---|
6 | * Copyright (C) 1999 Eric Valette. valette@crf.canon.fr |
---|
7 | * |
---|
8 | * The license and distribution terms for this file may be |
---|
9 | * found in the file LICENSE in this distribution or at |
---|
10 | * http://www.rtems.org/license/LICENSE. |
---|
11 | * |
---|
12 | * S. Kate Feng 2003-2007 : Modified it to support the mvme5500 BSP. |
---|
13 | * |
---|
14 | * Modified for the 'beatnik' BSP by T. Straumann, 2005-2007. |
---|
15 | */ |
---|
16 | |
---|
17 | #ifndef LIBBSP_BEATNIK_BSP_H |
---|
18 | #define LIBBSP_BEATNIK_BSP_H |
---|
19 | |
---|
20 | #ifndef ASM |
---|
21 | |
---|
22 | #include <bspopts.h> |
---|
23 | #include <bsp/default-initial-extension.h> |
---|
24 | |
---|
25 | #include <rtems.h> |
---|
26 | #include <libcpu/io.h> |
---|
27 | #include <bsp/vectors.h> |
---|
28 | |
---|
29 | #ifdef __cplusplus |
---|
30 | extern "C" { |
---|
31 | #endif |
---|
32 | |
---|
33 | /* Board type */ |
---|
34 | typedef enum { |
---|
35 | Unknown = 0, |
---|
36 | MVME5500, |
---|
37 | MVME6100 |
---|
38 | } BSP_BoardType; |
---|
39 | |
---|
40 | BSP_BoardType BSP_getBoardType(void); |
---|
41 | |
---|
42 | /* Discovery Version */ |
---|
43 | |
---|
44 | typedef enum { |
---|
45 | unknown = 0, |
---|
46 | GT_64260_A, /* Revision 0x10 */ |
---|
47 | GT_64260_B, /* Revision 0x20 */ |
---|
48 | MV_64360, |
---|
49 | } DiscoveryVersion; |
---|
50 | |
---|
51 | /* Determine the type of discovery chip on this board; info |
---|
52 | * is cached and repeated calls just return the cached value. |
---|
53 | * |
---|
54 | * If a non-zero argument is passed, the routine panics |
---|
55 | * (rtems_panic) if no recognized bridge is found; |
---|
56 | */ |
---|
57 | DiscoveryVersion BSP_getDiscoveryVersion(int assertion); |
---|
58 | |
---|
59 | /* |
---|
60 | * confdefs.h overrides for this BSP: |
---|
61 | * - Interrupt stack space is not minimum if defined. |
---|
62 | */ |
---|
63 | #define BSP_INTERRUPT_STACK_SIZE (16 * 1024) |
---|
64 | |
---|
65 | /* |
---|
66 | * base address definitions for several devices |
---|
67 | */ |
---|
68 | #define BSP_MV64x60_BASE (0xf1000000) |
---|
69 | #define BSP_MV64x60_DEV1_BASE (0xf1100000) |
---|
70 | #define BSP_UART_IOBASE_COM1 ((BSP_MV64x60_DEV1_BASE)+0x20000) |
---|
71 | #define BSP_UART_IOBASE_COM2 ((BSP_MV64x60_DEV1_BASE)+0x21000) |
---|
72 | #define BSP_UART_USE_SHARED_IRQS |
---|
73 | |
---|
74 | #define BSP_NVRAM_BASE_ADDR (0xf1110000) |
---|
75 | #define BSP_NVRAM_END_ADDR (0xf1117fff) |
---|
76 | #define BSP_NVRAM_RTC_START (0xf1117ff8) |
---|
77 | |
---|
78 | #define BSP_NVRAM_BOOTPARMS_START (0xf1111000) |
---|
79 | #define BSP_NVRAM_BOOTPARMS_END (0xf1111fff) |
---|
80 | |
---|
81 | |
---|
82 | /* This is only active/used during early init. It defines |
---|
83 | * the hose0 base for the shared/generic pci code. |
---|
84 | * Our own BSP specific pci initialization will then |
---|
85 | * override the PCI configuration (see gt_pci_init.c:BSP_pci_initialize) |
---|
86 | */ |
---|
87 | |
---|
88 | #define PCI_CONFIG_ADDR (BSP_MV64x60_BASE + 0xcf8) |
---|
89 | #define PCI_CONFIG_DATA (BSP_MV64x60_BASE + 0xcfc) |
---|
90 | |
---|
91 | /* our wonderful PCI initialization remaps everything to CPU addresses |
---|
92 | * - before calling BSP_pci_initialize() this is NOT VALID, however |
---|
93 | * and the deprecated inl()/outl() etc won't work! |
---|
94 | */ |
---|
95 | #define _IO_BASE 0x00000000 |
---|
96 | /* wonderful MotLoad has the base address as seen from the |
---|
97 | * CPU programmed into config space :-) |
---|
98 | */ |
---|
99 | #define PCI_MEM_BASE 0 |
---|
100 | #define PCI_MEM_BASE_ADJUSTMENT 0 |
---|
101 | #define PCI_DRAM_OFFSET 0 |
---|
102 | |
---|
103 | extern void BSP_motload_pci_fixup(void); |
---|
104 | |
---|
105 | /* PCI <-> local address mapping - no sophisticated windows |
---|
106 | * (i.e., no support for cached regions etc. you read a BAR |
---|
107 | * from config space and that's 1:1 where the CPU sees it). |
---|
108 | * Our memory is mapped 1:1 to PCI also. |
---|
109 | */ |
---|
110 | #define BSP_PCI2LOCAL_ADDR(a) ((uint32_t)(a)) |
---|
111 | #define BSP_LOCAL2PCI_ADDR(a) ((uint32_t)(a)) |
---|
112 | |
---|
113 | #define BSP_CONFIG_NUM_PCI_CACHE_SLOTS 32 |
---|
114 | |
---|
115 | #define BSP_CONSOLE_PORT BSP_UART_COM1 |
---|
116 | #define BSP_UART_BAUD_BASE 115200 |
---|
117 | |
---|
118 | /* I2C Devices */ |
---|
119 | /* Note that the i2c addresses stated in the manual are |
---|
120 | * left-shifted by one bit. |
---|
121 | */ |
---|
122 | #define BSP_VPD_I2C_ADDR (0xA8>>1) /* the VPD EEPROM */ |
---|
123 | #define BSP_USR_I2C_ADDR (0xAA>>1) /* the user EEPROM */ |
---|
124 | #define BSP_THM_I2C_ADDR (0x90>>1) /* the DS1621 temperature sensor & thermostat */ |
---|
125 | |
---|
126 | #define BSP_I2C_BUS_DESCRIPTOR gt64260_i2c_bus_descriptor |
---|
127 | |
---|
128 | #define BSP_I2C_BUS0_NAME "/dev/i2c0" |
---|
129 | |
---|
130 | #define BSP_I2C_VPD_EEPROM_NAME "vpd-eeprom" |
---|
131 | #define BSP_I2C_USR_EEPROM_NAME "usr-eeprom" |
---|
132 | #define BSP_I2C_DS1621_NAME "ds1621" |
---|
133 | #define BSP_I2C_THM_NAME BSP_I2C_DS1621_NAME |
---|
134 | #define BSP_I2C_DS1621_RAW_NAME "ds1621-raw" |
---|
135 | |
---|
136 | #define BSP_I2C_VPD_EEPROM_DEV_NAME (BSP_I2C_BUS0_NAME ", "BSP_I2C_VPD_EEPROM_NAME) |
---|
137 | #define BSP_I2C_USR_EEPROM_DEV_NAME (BSP_I2C_BUS0_NAME ", "BSP_I2C_USR_EEPROM_NAME) |
---|
138 | #define BSP_I2C_DS1621_DEV_NAME (BSP_I2C_BUS0_NAME ", "BSP_I2C_DS1621_NAME) |
---|
139 | #define BSP_I2C_THM_DEV_NAME BSP_I2C_DS1621_DEV_NAME |
---|
140 | #define BSP_I2C_DS1621_RAW_DEV_NAME (BSP_I2C_BUS0_NAME ", "BSP_I2C_DS1621_RAW_NAME) |
---|
141 | |
---|
142 | |
---|
143 | /* Initialize the I2C driver and register all devices |
---|
144 | * RETURNS 0 on success, -1 on error. |
---|
145 | * |
---|
146 | * Access to the VPD and user EEPROMS as well |
---|
147 | * as the ds1621 temperature sensor is possible |
---|
148 | * by means of file nodes |
---|
149 | * |
---|
150 | * /dev/i2c0.vpd-eeprom (read-only) |
---|
151 | * /dev/i2c0.usr-eeprom (read-write) |
---|
152 | * /dev/i2c0.ds1621 (read-only; one byte: board-temp in degC) |
---|
153 | * /dev/i2c0.ds1621-raw (read-write; transfer bytes to/from the ds1621) |
---|
154 | */ |
---|
155 | int BSP_i2c_initialize(void); |
---|
156 | |
---|
157 | /* Networking; */ |
---|
158 | #if defined(RTEMS_NETWORKING) |
---|
159 | #include <bsp/bsp_bsdnet_attach.h> |
---|
160 | #endif |
---|
161 | |
---|
162 | /* NOT FOR PUBLIC USE BELOW HERE */ |
---|
163 | #define BSP_PCI_HOSE0_MEM_BASE 0x80000000 /* must be aligned to size */ |
---|
164 | #define BSP_PCI_HOSE0_MEM_SIZE 0x20000000 |
---|
165 | |
---|
166 | #define BSP_PCI_HOSE1_MEM_BASE 0xe0000000 |
---|
167 | |
---|
168 | #define BSP_DEV_AND_PCI_IO_BASE 0xf0000000 |
---|
169 | #define BSP_DEV_AND_PCI_IO_SIZE 0x10000000 |
---|
170 | |
---|
171 | /* maintain coherency between CPU and GT64340 Ethernet |
---|
172 | * (andpossibly other Discovery components). |
---|
173 | */ |
---|
174 | #define BSP_RW_PAGE_ATTRIBUTES TRIV121_ATTR_M |
---|
175 | |
---|
176 | extern unsigned BSP_pci_hose1_bus_base; |
---|
177 | |
---|
178 | void BSP_pci_initialize(void); |
---|
179 | |
---|
180 | /* Exception Handling */ |
---|
181 | |
---|
182 | /* Use a task notepad to attach user exception handler info; |
---|
183 | * may be changed by application startup code (EPICS uses 11) |
---|
184 | */ |
---|
185 | #define BSP_EXCEPTION_NOTEPAD 14 |
---|
186 | |
---|
187 | #ifndef ASM |
---|
188 | |
---|
189 | #define outport_byte(port,value) outb(value,port) |
---|
190 | #define outport_word(port,value) outw(value,port) |
---|
191 | #define outport_long(port,value) outl(value,port) |
---|
192 | |
---|
193 | #define inport_byte(port,value) (value = inb(port)) |
---|
194 | #define inport_word(port,value) (value = inw(port)) |
---|
195 | #define inport_long(port,value) (value = inl(port)) |
---|
196 | /* |
---|
197 | * Vital Board data Start using DATA RESIDUAL |
---|
198 | */ |
---|
199 | /* |
---|
200 | * Total memory using RESIDUAL DATA |
---|
201 | */ |
---|
202 | extern unsigned int BSP_mem_size; |
---|
203 | /* |
---|
204 | * Start of the heap |
---|
205 | */ |
---|
206 | extern unsigned int BSP_heap_start; |
---|
207 | /* |
---|
208 | * PCI Bus Frequency |
---|
209 | */ |
---|
210 | extern unsigned int BSP_bus_frequency; |
---|
211 | /* |
---|
212 | * processor clock frequency |
---|
213 | */ |
---|
214 | extern unsigned int BSP_processor_frequency; |
---|
215 | /* |
---|
216 | * Time base divisior (how many tick for 1 second). |
---|
217 | */ |
---|
218 | extern unsigned int BSP_time_base_divisor; |
---|
219 | |
---|
220 | extern char BSP_productIdent[20]; |
---|
221 | extern char BSP_serialNumber[20]; |
---|
222 | |
---|
223 | extern char BSP_enetAddr0[7]; |
---|
224 | extern char BSP_enetAddr1[7]; |
---|
225 | |
---|
226 | /* |
---|
227 | * The commandline as passed from the bootloader. |
---|
228 | */ |
---|
229 | extern char *BSP_commandline_string; |
---|
230 | |
---|
231 | |
---|
232 | #define BSP_Convert_decrementer( _value ) \ |
---|
233 | ((unsigned long long) ((((unsigned long long)BSP_time_base_divisor) * 1000000ULL) /((unsigned long long) BSP_bus_frequency)) * ((unsigned long long) (_value))) |
---|
234 | |
---|
235 | extern void bsp_reset(void); |
---|
236 | extern int BSP_disconnect_clock_handler (void); |
---|
237 | extern int BSP_connect_clock_handler (void); |
---|
238 | |
---|
239 | /* clear hostbridge errors |
---|
240 | * |
---|
241 | * enableMCP: whether to enable MCP checkstop / machine check interrupts |
---|
242 | * on the hostbridge and in HID0. |
---|
243 | * |
---|
244 | * NOTE: The 5500 and 6100 boards have NO PHYSICAL CONNECTION |
---|
245 | * to MCP so 'enableMCP' will always fail! |
---|
246 | * |
---|
247 | * quiet : be silent |
---|
248 | * |
---|
249 | * RETURNS : PCI status (hose 0 in byte 0, host 1 in byte 1) and |
---|
250 | * VME bridge status (upper 16 bits). |
---|
251 | * Zero if no errors were found. |
---|
252 | */ |
---|
253 | extern unsigned long _BSP_clear_hostbridge_errors(int enableMCP, int quiet); |
---|
254 | |
---|
255 | /* clear vme bridge errors and return (bridge-dependent) 16-bit status |
---|
256 | * |
---|
257 | * quiet : be silent |
---|
258 | * |
---|
259 | * RETURNS : 0 if there were no errors, non-zero, bridge-dependent |
---|
260 | * 16-bit error status on error. |
---|
261 | * |
---|
262 | */ |
---|
263 | extern unsigned short (*_BSP_clear_vmebridge_errors)(int); |
---|
264 | |
---|
265 | /* |
---|
266 | * Prototypes for debug helpers |
---|
267 | */ |
---|
268 | void discovery_pic_set_debug_irq(int on); |
---|
269 | void discovery_pic_install_debug_irq(void); |
---|
270 | |
---|
271 | /* |
---|
272 | * Prototypes for methods called only from .S for dependency tracking |
---|
273 | */ |
---|
274 | char *save_boot_params( |
---|
275 | void *r3, |
---|
276 | void *r4, |
---|
277 | void *r5, |
---|
278 | char *cmdline_start, |
---|
279 | char *cmdline_end |
---|
280 | ); |
---|
281 | void zero_bss(void); |
---|
282 | |
---|
283 | /* |
---|
284 | * Prototypes for methods in the BSP that cross file boundaries |
---|
285 | */ |
---|
286 | uint32_t probeMemoryEnd(void); |
---|
287 | |
---|
288 | #endif |
---|
289 | |
---|
290 | #ifdef __cplusplus |
---|
291 | } |
---|
292 | #endif |
---|
293 | |
---|
294 | #endif /* !ASM */ |
---|
295 | |
---|
296 | #endif |
---|