1 /* 2 * Copyright 2004, 2007 Freescale Semiconductor. 3 * Copyright(c) 2003 Motorola Inc. 4 */ 5 6 #ifndef __MPC85xx_H__ 7 #define __MPC85xx_H__ 8 9 #include <asm/fsl_lbc.h> 10 11 /* define for common ppc_asm.tmpl */ 12 #define EXC_OFF_SYS_RESET 0x100 /* System reset */ 13 #define _START_OFFSET 0 14 15 #if defined(CONFIG_E500) 16 #include <e500.h> 17 #endif 18 19 /* 20 * SCCR - System Clock Control Register, 9-8 21 */ 22 #define SCCR_CLPD 0x00000004 /* CPM Low Power Disable */ 23 #define SCCR_DFBRG_MSK 0x00000003 /* Division by BRGCLK Mask */ 24 #define SCCR_DFBRG_SHIFT 0 25 26 #define SCCR_DFBRG00 0x00000000 /* BRGCLK division by 4 */ 27 #define SCCR_DFBRG01 0x00000001 /* BRGCLK div by 16 (normal) */ 28 #define SCCR_DFBRG10 0x00000002 /* BRGCLK division by 64 */ 29 #define SCCR_DFBRG11 0x00000003 /* BRGCLK division by 256 */ 30 31 /* 32 * Local Bus Controller - memory controller registers 33 */ 34 #define BRx_V 0x00000001 /* Bank Valid */ 35 #define BRx_MS_GPCM 0x00000000 /* G.P.C.M. Machine Select */ 36 #define BRx_MS_SDRAM 0x00000000 /* SDRAM Machine Select */ 37 #define BRx_MS_UPMA 0x00000080 /* U.P.M.A Machine Select */ 38 #define BRx_MS_UPMB 0x000000a0 /* U.P.M.B Machine Select */ 39 #define BRx_MS_UPMC 0x000000c0 /* U.P.M.C Machine Select */ 40 #define BRx_PS_8 0x00000800 /* 8 bit port size */ 41 #define BRx_PS_32 0x00001800 /* 32 bit port size */ 42 #define BRx_BA_MSK 0xffff8000 /* Base Address Mask */ 43 44 #define ORxG_EAD 0x00000001 /* External addr latch delay */ 45 #define ORxG_EHTR 0x00000002 /* Extended hold time on read */ 46 #define ORxG_TRLX 0x00000004 /* Timing relaxed */ 47 #define ORxG_SETA 0x00000008 /* External address termination */ 48 #define ORxG_SCY_10_CLK 0x000000a0 /* 10 clock cycles wait states */ 49 #define ORxG_SCY_15_CLK 0x000000f0 /* 15 clock cycles wait states */ 50 #define ORxG_XACS 0x00000100 /* Extra addr to CS setup */ 51 #define ORxG_ACS_DIV2 0x00000600 /* CS is output 1/2 a clock later*/ 52 #define ORxG_CSNT 0x00000800 /* Chip Select Negation Time */ 53 54 #define ORxU_BI 0x00000100 /* Burst Inhibit */ 55 #define ORxU_AM_MSK 0xffff8000 /* Address Mask Mask */ 56 57 #define MxMR_OP_NORM 0x00000000 /* Normal Operation */ 58 #define MxMR_DSx_2_CYCL 0x00400000 /* 2 cycle Disable Period */ 59 #define MxMR_OP_WARR 0x10000000 /* Write to Array */ 60 #define MxMR_BSEL 0x80000000 /* Bus Select */ 61 62 /* helpers to convert values into an OR address mask (GPCM mode) */ 63 #define P2SZ_TO_AM(s) ((~((s) - 1)) & 0xffff8000) /* must be pow of 2 */ 64 #define MEG_TO_AM(m) P2SZ_TO_AM((m) << 20) 65 66 #endif /* __MPC85xx_H__ */ 67