1 /*----------------------------------------------------------------------------+
3 | This source code has been made available to you by IBM on an AS-IS
4 | basis. Anyone receiving this source is licensed under IBM
5 | copyrights to use it in any way he or she deems fit, including
6 | copying it, modifying it, compiling it, and redistributing it either
7 | with or without modifications. No license under IBM patents or
8 | patent applications is to be implied by the copyright license.
10 | Any user of this software should understand that IBM cannot provide
11 | technical support for this software and will not be responsible for
12 | any consequences resulting from the use of this software.
14 | Any person who transfers this source code or any derivative work
15 | must include the IBM copyright notice, this paragraph, and the
16 | preceding two paragraphs in the transferred software.
18 | COPYRIGHT I B M CORPORATION 1999
19 | LICENSED MATERIAL - PROGRAM PROPERTY OF I B M
20 +----------------------------------------------------------------------------*/
25 #if defined(CONFIG_440)
32 * Common stuff for 4xx (405 and 440)
35 #define EXC_OFF_SYS_RESET 0x0100 /* System reset */
36 #define _START_OFFSET (EXC_OFF_SYS_RESET + 0x2000)
38 #define RESET_VECTOR 0xfffffffc
39 #define CACHELINE_MASK (CFG_CACHELINE_SIZE - 1) /* Address mask for cache
42 #define CPR0_DCR_BASE 0x0C
43 #define cprcfga (CPR0_DCR_BASE+0x0)
44 #define cprcfgd (CPR0_DCR_BASE+0x1)
46 #define SDR_DCR_BASE 0x0E
47 #define sdrcfga (SDR_DCR_BASE+0x0)
48 #define sdrcfgd (SDR_DCR_BASE+0x1)
50 #define SDRAM_DCR_BASE 0x10
51 #define memcfga (SDRAM_DCR_BASE+0x0)
52 #define memcfgd (SDRAM_DCR_BASE+0x1)
54 #define EBC_DCR_BASE 0x12
55 #define ebccfga (EBC_DCR_BASE+0x0)
56 #define ebccfgd (EBC_DCR_BASE+0x1)
59 * Macros for indirect DCR access
61 #define mtcpr(reg, d) do { mtdcr(cprcfga,reg);mtdcr(cprcfgd,d); } while (0)
62 #define mfcpr(reg, d) do { mtdcr(cprcfga,reg);d = mfdcr(cprcfgd); } while (0)
64 #define mtebc(reg, d) do { mtdcr(ebccfga,reg);mtdcr(ebccfgd,d); } while (0)
65 #define mfebc(reg, d) do { mtdcr(ebccfga,reg);d = mfdcr(ebccfgd); } while (0)
67 #define mtsdram(reg, d) do { mtdcr(memcfga,reg);mtdcr(memcfgd,d); } while (0)
68 #define mfsdram(reg, d) do { mtdcr(memcfga,reg);d = mfdcr(memcfgd); } while (0)
70 #define mtsdr(reg, d) do { mtdcr(sdrcfga,reg);mtdcr(sdrcfgd,d); } while (0)
71 #define mfsdr(reg, d) do { mtdcr(sdrcfga,reg);d = mfdcr(sdrcfgd); } while (0)
77 unsigned long freqDDR;
78 unsigned long freqEBC;
79 unsigned long freqOPB;
80 unsigned long freqPCI;
81 unsigned long freqPLB;
82 unsigned long freqTmrClk;
83 unsigned long freqUART;
84 unsigned long freqProcessor;
85 unsigned long freqVCOHz;
86 unsigned long freqVCOMhz; /* in MHz */
87 unsigned long pciClkSync; /* PCI clock is synchronous */
88 unsigned long pciIntArbEn; /* Internal PCI arbiter is enabled */
89 unsigned long pllExtBusDiv;
90 unsigned long pllFbkDiv;
91 unsigned long pllFwdDiv;
92 unsigned long pllFwdDivA;
93 unsigned long pllFwdDivB;
94 unsigned long pllOpbDiv;
95 unsigned long pllPciDiv;
96 unsigned long pllPlbDiv;
99 #endif /* __ASSEMBLY__ */
101 #endif /* __PPC4XX_H__ */