projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * arch/ppc/syslib/cpc700.h | |
| 3 | * | |
| 4 | * Header file for IBM CPC700 Host Bridge, et. al. | |
| 5 | * | |
| 6 | * Author: Mark A. Greer | |
| 7 | * mgreer@mvista.com | |
| 8 | * | |
| 9 | * 2000-2002 (c) MontaVista, Software, Inc. This file is licensed under | |
| 10 | * the terms of the GNU General Public License version 2. This program | |
| 11 | * is licensed "as is" without any warranty of any kind, whether express | |
| 12 | * or implied. | |
| 13 | */ | |
| 14 | ||
| 15 | /* | |
| 16 | * This file contains the defines and macros for the IBM CPC700 host bridge, | |
| 17 | * memory controller, PIC, UARTs, IIC, and Timers. | |
| 18 | */ | |
| 19 | ||
| 20 | #ifndef __PPC_SYSLIB_CPC700_H__ | |
| 21 | #define __PPC_SYSLIB_CPC700_H__ | |
| 22 | ||
| 23 | #include <linux/stddef.h> | |
| 24 | #include <linux/types.h> | |
| 25 | #include <linux/init.h> | |
| 26 | ||
| 27 | /* XXX no barriers? not even any volatiles? -- paulus */ | |
| 28 | #define CPC700_OUT_32(a,d) (*(u_int *)a = d) | |
| 29 | #define CPC700_IN_32(a) (*(u_int *)a) | |
| 30 | ||
| 31 | /* | |
| 32 | * PCI Section | |
| 33 | */ | |
| 34 | #define CPC700_PCI_CONFIG_ADDR 0xfec00000 | |
| 35 | #define CPC700_PCI_CONFIG_DATA 0xfec00004 | |
| 36 | ||
| 37 | /* CPU -> PCI memory window 0 */ | |
| 38 | #define CPC700_PMM0_LOCAL 0xff400000 /* CPU physical addr */ | |
| 39 | #define CPC700_PMM0_MASK_ATTR 0xff400004 /* size and attrs */ | |
| 40 | #define CPC700_PMM0_PCI_LOW 0xff400008 /* PCI addr, low word */ | |
| 41 | #define CPC700_PMM0_PCI_HIGH 0xff40000c /* PCI addr, high wd */ | |
| 42 | /* CPU -> PCI memory window 1 */ | |
| 43 | #define CPC700_PMM1_LOCAL 0xff400010 | |
| 44 | #define CPC700_PMM1_MASK_ATTR 0xff400014 | |
| 45 | #define CPC700_PMM1_PCI_LOW 0xff400018 | |
| 46 | #define CPC700_PMM1_PCI_HIGH 0xff40001c | |
| 47 | /* CPU -> PCI memory window 2 */ | |
| 48 | #define CPC700_PMM2_LOCAL 0xff400020 | |
| 49 | #define CPC700_PMM2_MASK_ATTR 0xff400024 | |
| 50 | #define CPC700_PMM2_PCI_LOW 0xff400028 | |
| 51 | #define CPC700_PMM2_PCI_HIGH 0xff40002c | |
| 52 | /* PCI memory -> CPU window 1 */ | |
| 53 | #define CPC700_PTM1_MEMSIZE 0xff400030 /* window size */ | |
| 54 | #define CPC700_PTM1_LOCAL 0xff400034 /* CPU phys addr */ | |
| 55 | /* PCI memory -> CPU window 2 */ | |
| 56 | #define CPC700_PTM2_MEMSIZE 0xff400038 /* size and enable */ | |
| 57 | #define CPC700_PTM2_LOCAL 0xff40003c | |
| 58 | ||
| 59 | /* | |
| 60 | * PIC Section | |
| 61 | * | |
| 62 | * IBM calls the CPC700's programmable interrupt controller the Universal | |
| 63 | * Interrupt Controller or UIC. | |
| 64 | */ | |
| 65 | ||
| 66 | /* | |
| 67 | * UIC Register Addresses. | |
| 68 | */ | |
| 69 | #define CPC700_UIC_UICSR 0xff500880 /* Status Reg (Rd/Clr)*/ | |
| 70 | #define CPC700_UIC_UICSRS 0xff500884 /* Status Reg (Set) */ | |
| 71 | #define CPC700_UIC_UICER 0xff500888 /* Enable Reg */ | |
| 72 | #define CPC700_UIC_UICCR 0xff50088c /* Critical Reg */ | |
| 73 | #define CPC700_UIC_UICPR 0xff500890 /* Polarity Reg */ | |
| 74 | #define CPC700_UIC_UICTR 0xff500894 /* Trigger Reg */ | |
| 75 | #define CPC700_UIC_UICMSR 0xff500898 /* Masked Status Reg */ | |
| 76 | #define CPC700_UIC_UICVR 0xff50089c /* Vector Reg */ | |
| 77 | #define CPC700_UIC_UICVCR 0xff5008a0 /* Vector Config Reg */ | |
| 78 | ||
| 79 | #define CPC700_UIC_UICER_ENABLE 0x00000001 /* Enable an IRQ */ | |
| 80 | ||
| 81 | #define CPC700_UIC_UICVCR_31_HI 0x00000000 /* IRQ 31 hi priority */ | |
| 82 | #define CPC700_UIC_UICVCR_0_HI 0x00000001 /* IRQ 0 hi priority */ | |
| 83 | #define CPC700_UIC_UICVCR_BASE_MASK 0xfffffffc | |
| 84 | #define CPC700_UIC_UICVCR_ORDER_MASK 0x00000001 | |
| 85 | ||
| 86 | /* Specify value of a bit for an IRQ. */ | |
| 87 | #define CPC700_UIC_IRQ_BIT(i) ((0x00000001) << (31 - (i))) | |
| 88 | ||
| 89 | /* | |
| 90 | * UIC Exports... | |
| 91 | */ | |
| 92 | extern struct hw_interrupt_type cpc700_pic; | |
| 93 | extern unsigned int cpc700_irq_assigns[32][2]; | |
| 94 | ||
| 95 | extern void __init cpc700_init_IRQ(void); | |
| 96 | extern int cpc700_get_irq(struct pt_regs *); | |
| 97 | ||
| 98 | #endif /* __PPC_SYSLIB_CPC700_H__ */ |