| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * include/asm-sh/snapgear/io.h |
| 3 | * |
| 4 | * Modified version of io_se.h for the snapgear-specific functions. |
| 5 | * |
| 6 | * May be copied or modified under the terms of the GNU General Public |
| 7 | * License. See linux/COPYING for more information. |
| 8 | * |
| 9 | * IO functions for a SnapGear |
| 10 | */ |
| 11 | |
| 12 | #ifndef _ASM_SH_IO_SNAPGEAR_H |
| 13 | #define _ASM_SH_IO_SNAPGEAR_H |
| 14 | |
| 15 | #if defined(CONFIG_CPU_SH4) |
| 16 | /* |
| 17 | * The external interrupt lines, these take up ints 0 - 15 inclusive |
| 18 | * depending on the priority for the interrupt. In fact the priority |
| 19 | * is the interrupt :-) |
| 20 | */ |
| 21 | |
| 22 | #define IRL0_IRQ 2 |
| 23 | #define IRL0_IPR_ADDR INTC_IPRD |
| 24 | #define IRL0_IPR_POS 3 |
| 25 | #define IRL0_PRIORITY 13 |
| 26 | |
| 27 | #define IRL1_IRQ 5 |
| 28 | #define IRL1_IPR_ADDR INTC_IPRD |
| 29 | #define IRL1_IPR_POS 2 |
| 30 | #define IRL1_PRIORITY 10 |
| 31 | |
| 32 | #define IRL2_IRQ 8 |
| 33 | #define IRL2_IPR_ADDR INTC_IPRD |
| 34 | #define IRL2_IPR_POS 1 |
| 35 | #define IRL2_PRIORITY 7 |
| 36 | |
| 37 | #define IRL3_IRQ 11 |
| 38 | #define IRL3_IPR_ADDR INTC_IPRD |
| 39 | #define IRL3_IPR_POS 0 |
| 40 | #define IRL3_PRIORITY 4 |
| 41 | #endif |
| 42 | |
| 43 | extern unsigned char snapgear_inb(unsigned long port); |
| 44 | extern unsigned short snapgear_inw(unsigned long port); |
| 45 | extern unsigned int snapgear_inl(unsigned long port); |
| 46 | |
| 47 | extern void snapgear_outb(unsigned char value, unsigned long port); |
| 48 | extern void snapgear_outw(unsigned short value, unsigned long port); |
| 49 | extern void snapgear_outl(unsigned int value, unsigned long port); |
| 50 | |
| 51 | extern unsigned char snapgear_inb_p(unsigned long port); |
| 52 | extern void snapgear_outb_p(unsigned char value, unsigned long port); |
| 53 | |
| 54 | extern void snapgear_insl(unsigned long port, void *addr, unsigned long count); |
| 55 | extern void snapgear_outsl(unsigned long port, const void *addr, unsigned long count); |
| 56 | |
| 57 | extern unsigned long snapgear_isa_port2addr(unsigned long offset); |
| 58 | |
| 59 | #ifdef CONFIG_SH_SECUREEDGE5410 |
| 60 | /* |
| 61 | * We need to remember what was written to the ioport as some bits |
| 62 | * are shared with other functions and you cannot read back what was |
| 63 | * written :-| |
| 64 | * |
| 65 | * Bit Read Write |
| 66 | * ----------------------------------------------- |
| 67 | * D0 DCD on ttySC1 power |
| 68 | * D1 Reset Switch heatbeat |
| 69 | * D2 ttySC0 CTS (7100) LAN |
| 70 | * D3 - WAN |
| 71 | * D4 ttySC0 DCD (7100) CONSOLE |
| 72 | * D5 - ONLINE |
| 73 | * D6 - VPN |
| 74 | * D7 - DTR on ttySC1 |
| 75 | * D8 - ttySC0 RTS (7100) |
| 76 | * D9 - ttySC0 DTR (7100) |
| 77 | * D10 - RTC SCLK |
| 78 | * D11 RTC DATA RTC DATA |
| 79 | * D12 - RTS RESET |
| 80 | */ |
| 81 | |
| 82 | #define SECUREEDGE_IOPORT_ADDR ((volatile short *) 0xb0000000) |
| 83 | extern unsigned short secureedge5410_ioport; |
| 84 | |
| 85 | #define SECUREEDGE_WRITE_IOPORT(val, mask) (*SECUREEDGE_IOPORT_ADDR = \ |
| 86 | (secureedge5410_ioport = \ |
| 87 | ((secureedge5410_ioport & ~(mask)) | ((val) & (mask))))) |
| 88 | #define SECUREEDGE_READ_IOPORT() \ |
| 89 | ((*SECUREEDGE_IOPORT_ADDR&0x0817) | (secureedge5410_ioport&~0x0817)) |
| 90 | #endif |
| 91 | |
| 92 | #endif /* _ASM_SH_IO_SNAPGEAR_H */ |