| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /****************************************************************************/ |
| 3 | |
| 4 | /* |
| 5 | * coldfire.h -- Motorola ColdFire CPU sepecific defines |
| 6 | * |
| 7 | * (C) Copyright 1999-2006, Greg Ungerer (gerg@snapgear.com) |
| 8 | * (C) Copyright 2000, Lineo (www.lineo.com) |
| 9 | */ |
| 10 | |
| 11 | /****************************************************************************/ |
| 12 | #ifndef coldfire_h |
| 13 | #define coldfire_h |
| 14 | /****************************************************************************/ |
| 15 | |
| 16 | |
| 17 | /* |
| 18 | * Define master clock frequency. This is done at config time now. |
| 19 | * No point enumerating dozens of possible clock options here. And |
| 20 | * in any case new boards come along from time to time that have yet |
| 21 | * another different clocking frequency. |
| 22 | */ |
| 23 | #ifdef CONFIG_CLOCK_FREQ |
| 24 | #define MCF_CLK CONFIG_CLOCK_FREQ |
| 25 | #else |
| 26 | #error "Don't know what your ColdFire CPU clock frequency is??" |
| 27 | #endif |
| 28 | |
| 29 | /* |
| 30 | * Define the processor internal peripherals base address. |
| 31 | * |
| 32 | * The majority of ColdFire parts use an MBAR register to set |
| 33 | * the base address. Some have an IPSBAR register instead, and it |
| 34 | * has slightly different rules on its size and alignment. Some |
| 35 | * parts have fixed addresses and the internal peripherals cannot |
| 36 | * be relocated in the CPU address space. |
| 37 | * |
| 38 | * The value of MBAR or IPSBAR is config time selectable, we no |
| 39 | * longer hard define it here. No MBAR or IPSBAR will be defined if |
| 40 | * this part has a fixed peripheral address map. |
| 41 | */ |
| 42 | #ifdef CONFIG_MBAR |
| 43 | #define MCF_MBAR CONFIG_MBAR |
| 44 | #endif |
| 45 | #ifdef CONFIG_IPSBAR |
| 46 | #define MCF_IPSBAR CONFIG_IPSBAR |
| 47 | #endif |
| 48 | |
| 49 | /****************************************************************************/ |
| 50 | #endif /* coldfire_h */ |