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https://github.com/AsahiLinux/u-boot
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63 lines
2.4 KiB
C
63 lines
2.4 KiB
C
/*
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* Copyright 2004 Freescale Semiconductor.
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* Copyright(c) 2003 Motorola Inc.
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* Xianghua Xiao (x.xiao@motorola.com)
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*/
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#ifndef __MPC85xx_H__
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#define __MPC85xx_H__
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#define EXC_OFF_SYS_RESET 0x0100 /* System reset */
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#if defined(CONFIG_E500)
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#include <e500.h>
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#endif
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/*
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* SCCR - System Clock Control Register, 9-8
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*/
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#define SCCR_CLPD 0x00000004 /* CPM Low Power Disable */
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#define SCCR_DFBRG_MSK 0x00000003 /* Division by BRGCLK Mask */
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#define SCCR_DFBRG_SHIFT 0
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#define SCCR_DFBRG00 0x00000000 /* BRGCLK division by 4 */
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#define SCCR_DFBRG01 0x00000001 /* BRGCLK div by 16 (normal) */
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#define SCCR_DFBRG10 0x00000002 /* BRGCLK division by 64 */
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#define SCCR_DFBRG11 0x00000003 /* BRGCLK division by 256 */
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/*
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* Local Bus Controller - memory controller registers
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*/
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#define BRx_V 0x00000001 /* Bank Valid */
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#define BRx_MS_GPCM 0x00000000 /* G.P.C.M. Machine Select */
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#define BRx_MS_SDRAM 0x00000000 /* SDRAM Machine Select */
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#define BRx_MS_UPMA 0x00000080 /* U.P.M.A Machine Select */
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#define BRx_MS_UPMB 0x000000a0 /* U.P.M.B Machine Select */
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#define BRx_MS_UPMC 0x000000c0 /* U.P.M.C Machine Select */
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#define BRx_PS_8 0x00000800 /* 8 bit port size */
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#define BRx_PS_32 0x00001800 /* 32 bit port size */
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#define BRx_BA_MSK 0xffff8000 /* Base Address Mask */
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#define ORxG_EAD 0x00000001 /* External addr latch delay */
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#define ORxG_EHTR 0x00000002 /* Extended hold time on read */
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#define ORxG_TRLX 0x00000004 /* Timing relaxed */
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#define ORxG_SETA 0x00000008 /* External address termination */
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#define ORxG_SCY_10_CLK 0x000000a0 /* 10 clock cycles wait states */
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#define ORxG_SCY_15_CLK 0x000000f0 /* 15 clock cycles wait states */
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#define ORxG_XACS 0x00000100 /* Extra addr to CS setup */
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#define ORxG_ACS_DIV2 0x00000600 /* CS is output 1/2 a clock later*/
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#define ORxG_CSNT 0x00000800 /* Chip Select Negation Time */
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#define ORxU_BI 0x00000100 /* Burst Inhibit */
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#define ORxU_AM_MSK 0xffff8000 /* Address Mask Mask */
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#define MxMR_OP_NORM 0x00000000 /* Normal Operation */
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#define MxMR_DSx_2_CYCL 0x00400000 /* 2 cycle Disable Period */
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#define MxMR_OP_WARR 0x10000000 /* Write to Array */
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#define MxMR_BSEL 0x80000000 /* Bus Select */
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/* helpers to convert values into an OR address mask (GPCM mode) */
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#define P2SZ_TO_AM(s) ((~((s) - 1)) & 0xffff8000) /* must be pow of 2 */
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#define MEG_TO_AM(m) P2SZ_TO_AM((m) << 20)
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#endif /* __MPC85xx_H__ */
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