| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | * Header file for IBM CPC700 Host Bridge, et. al. |
| 3 | * |
| 4 | * Author: Mark A. Greer |
| 5 | * mgreer@mvista.com |
| 6 | * |
| 7 | * 2000-2002 (c) MontaVista, Software, Inc. This file is licensed under |
| 8 | * the terms of the GNU General Public License version 2. This program |
| 9 | * is licensed "as is" without any warranty of any kind, whether express |
| 10 | * or implied. |
| 11 | */ |
| 12 | |
| 13 | /* |
| 14 | * This file contains the defines and macros for the IBM CPC700 host bridge, |
| 15 | * memory controller, PIC, UARTs, IIC, and Timers. |
| 16 | */ |
| 17 | |
| 18 | #ifndef __PPC_SYSLIB_CPC700_H__ |
| 19 | #define __PPC_SYSLIB_CPC700_H__ |
| 20 | |
| 21 | #include <linux/stddef.h> |
| 22 | #include <linux/types.h> |
| 23 | #include <linux/init.h> |
| 24 | |
| 25 | /* XXX no barriers? not even any volatiles? -- paulus */ |
| 26 | #define CPC700_OUT_32(a,d) (*(u_int *)a = d) |
| 27 | #define CPC700_IN_32(a) (*(u_int *)a) |
| 28 | |
| 29 | /* |
| 30 | * PCI Section |
| 31 | */ |
| 32 | #define CPC700_PCI_CONFIG_ADDR 0xfec00000 |
| 33 | #define CPC700_PCI_CONFIG_DATA 0xfec00004 |
| 34 | |
| 35 | /* CPU -> PCI memory window 0 */ |
| 36 | #define CPC700_PMM0_LOCAL 0xff400000 /* CPU physical addr */ |
| 37 | #define CPC700_PMM0_MASK_ATTR 0xff400004 /* size and attrs */ |
| 38 | #define CPC700_PMM0_PCI_LOW 0xff400008 /* PCI addr, low word */ |
| 39 | #define CPC700_PMM0_PCI_HIGH 0xff40000c /* PCI addr, high wd */ |
| 40 | /* CPU -> PCI memory window 1 */ |
| 41 | #define CPC700_PMM1_LOCAL 0xff400010 |
| 42 | #define CPC700_PMM1_MASK_ATTR 0xff400014 |
| 43 | #define CPC700_PMM1_PCI_LOW 0xff400018 |
| 44 | #define CPC700_PMM1_PCI_HIGH 0xff40001c |
| 45 | /* CPU -> PCI memory window 2 */ |
| 46 | #define CPC700_PMM2_LOCAL 0xff400020 |
| 47 | #define CPC700_PMM2_MASK_ATTR 0xff400024 |
| 48 | #define CPC700_PMM2_PCI_LOW 0xff400028 |
| 49 | #define CPC700_PMM2_PCI_HIGH 0xff40002c |
| 50 | /* PCI memory -> CPU window 1 */ |
| 51 | #define CPC700_PTM1_MEMSIZE 0xff400030 /* window size */ |
| 52 | #define CPC700_PTM1_LOCAL 0xff400034 /* CPU phys addr */ |
| 53 | /* PCI memory -> CPU window 2 */ |
| 54 | #define CPC700_PTM2_MEMSIZE 0xff400038 /* size and enable */ |
| 55 | #define CPC700_PTM2_LOCAL 0xff40003c |
| 56 | |
| 57 | /* |
| 58 | * PIC Section |
| 59 | * |
| 60 | * IBM calls the CPC700's programmable interrupt controller the Universal |
| 61 | * Interrupt Controller or UIC. |
| 62 | */ |
| 63 | |
| 64 | /* |
| 65 | * UIC Register Addresses. |
| 66 | */ |
| 67 | #define CPC700_UIC_UICSR 0xff500880 /* Status Reg (Rd/Clr)*/ |
| 68 | #define CPC700_UIC_UICSRS 0xff500884 /* Status Reg (Set) */ |
| 69 | #define CPC700_UIC_UICER 0xff500888 /* Enable Reg */ |
| 70 | #define CPC700_UIC_UICCR 0xff50088c /* Critical Reg */ |
| 71 | #define CPC700_UIC_UICPR 0xff500890 /* Polarity Reg */ |
| 72 | #define CPC700_UIC_UICTR 0xff500894 /* Trigger Reg */ |
| 73 | #define CPC700_UIC_UICMSR 0xff500898 /* Masked Status Reg */ |
| 74 | #define CPC700_UIC_UICVR 0xff50089c /* Vector Reg */ |
| 75 | #define CPC700_UIC_UICVCR 0xff5008a0 /* Vector Config Reg */ |
| 76 | |
| 77 | #define CPC700_UIC_UICER_ENABLE 0x00000001 /* Enable an IRQ */ |
| 78 | |
| 79 | #define CPC700_UIC_UICVCR_31_HI 0x00000000 /* IRQ 31 hi priority */ |
| 80 | #define CPC700_UIC_UICVCR_0_HI 0x00000001 /* IRQ 0 hi priority */ |
| 81 | #define CPC700_UIC_UICVCR_BASE_MASK 0xfffffffc |
| 82 | #define CPC700_UIC_UICVCR_ORDER_MASK 0x00000001 |
| 83 | |
| 84 | /* Specify value of a bit for an IRQ. */ |
| 85 | #define CPC700_UIC_IRQ_BIT(i) ((0x00000001) << (31 - (i))) |
| 86 | |
| 87 | /* |
| 88 | * UIC Exports... |
| 89 | */ |
| 90 | extern struct hw_interrupt_type cpc700_pic; |
| 91 | extern unsigned int cpc700_irq_assigns[32][2]; |
| 92 | |
| 93 | extern void __init cpc700_init_IRQ(void); |
| Al Viro | 39e3eb7 | 2006-10-09 12:48:42 +0100 | [diff] [blame] | 94 | extern int cpc700_get_irq(void); |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 95 | |
| 96 | #endif /* __PPC_SYSLIB_CPC700_H__ */ |