xref: /linux/arch/m68k/include/asm/sun3xprom.h (revision 141d3b1daacd11bdbd6fa74c2b163093e10d17ee)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Useful PROM locations */
3 
4 #ifndef SUN3X_PROM_H
5 #define SUN3X_PROM_H
6 
7 extern void (*sun3x_putchar)(int);
8 extern int (*sun3x_getchar)(void);
9 extern int (*sun3x_mayget)(void);
10 extern int (*sun3x_mayput)(int);
11 
12 void sun3x_reboot(void);
13 void sun3x_abort(void);
14 void sun3x_prom_init(void);
15 unsigned long sun3x_prom_ptov(unsigned long pa, unsigned long size);
16 
17 /* interesting hardware locations */
18 #define SUN3X_IOMMU       0x60000000
19 #define SUN3X_ENAREG      0x61000000
20 #define SUN3X_INTREG      0x61001400
21 #define SUN3X_DIAGREG     0x61001800
22 #define SUN3X_ZS1         0x62000000
23 #define SUN3X_ZS2         0x62002000
24 #define SUN3X_LANCE       0x65002000
25 #define SUN3X_EEPROM      0x64000000
26 #define SUN3X_IDPROM      0x640007d8
27 #define SUN3X_VIDEO_BASE  0x50400000
28 #define SUN3X_VIDEO_REGS  0x50300000
29 
30 /* vector table */
31 #define SUN3X_PROM_BASE   0xfefe0000
32 #define SUN3X_P_GETCHAR   (SUN3X_PROM_BASE + 20)
33 #define SUN3X_P_PUTCHAR   (SUN3X_PROM_BASE + 24)
34 #define SUN3X_P_MAYGET    (SUN3X_PROM_BASE + 28)
35 #define SUN3X_P_MAYPUT    (SUN3X_PROM_BASE + 32)
36 #define SUN3X_P_REBOOT    (SUN3X_PROM_BASE + 96)
37 #define SUN3X_P_SETLEDS   (SUN3X_PROM_BASE + 144)
38 #define SUN3X_P_ABORT     (SUN3X_PROM_BASE + 152)
39 
40 /* mapped area */
41 #define SUN3X_MAP_START   0xfee00000
42 #define SUN3X_MAP_END     0xff000000
43 
44 #endif
45