1 /* 2 * Copyright 2009-2010 Freescale Semiconductor, Inc 3 * 4 * QorIQ based Cache Controller Memory Mapped Registers 5 * 6 * Author: Vivek Mahajan <vivek.mahajan@freescale.com> 7 * 8 * This program is free software; you can redistribute it and/or modify it 9 * under the terms of the GNU General Public License as published by the 10 * Free Software Foundation; either version 2 of the License, or (at your 11 * option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 21 */ 22 23 #ifndef __FSL_85XX_CACHE_CTLR_H__ 24 #define __FSL_85XX_CACHE_CTLR_H__ 25 26 #define L2CR_L2FI 0x40000000 /* L2 flash invalidate */ 27 #define L2CR_L2IO 0x00200000 /* L2 instruction only */ 28 #define L2CR_SRAM_ZERO 0x00000000 /* L2SRAM zero size */ 29 #define L2CR_SRAM_FULL 0x00010000 /* L2SRAM full size */ 30 #define L2CR_SRAM_HALF 0x00020000 /* L2SRAM half size */ 31 #define L2CR_SRAM_TWO_HALFS 0x00030000 /* L2SRAM two half sizes */ 32 #define L2CR_SRAM_QUART 0x00040000 /* L2SRAM one quarter size */ 33 #define L2CR_SRAM_TWO_QUARTS 0x00050000 /* L2SRAM two quarter size */ 34 #define L2CR_SRAM_EIGHTH 0x00060000 /* L2SRAM one eighth size */ 35 #define L2CR_SRAM_TWO_EIGHTH 0x00070000 /* L2SRAM two eighth size */ 36 37 #define L2SRAM_OPTIMAL_SZ_SHIFT 0x00000003 /* Optimum size for L2SRAM */ 38 39 #define L2SRAM_BAR_MSK_LO18 0xFFFFC000 /* Lower 18 bits */ 40 #define L2SRAM_BARE_MSK_HI4 0x0000000F /* Upper 4 bits */ 41 42 enum cache_sram_lock_ways { 43 LOCK_WAYS_ZERO, 44 LOCK_WAYS_EIGHTH, 45 LOCK_WAYS_TWO_EIGHTH, 46 LOCK_WAYS_HALF = 4, 47 LOCK_WAYS_FULL = 8, 48 }; 49 50 struct mpc85xx_l2ctlr { 51 u32 ctl; /* 0x000 - L2 control */ 52 u8 res1[0xC]; 53 u32 ewar0; /* 0x010 - External write address 0 */ 54 u32 ewarea0; /* 0x014 - External write address extended 0 */ 55 u32 ewcr0; /* 0x018 - External write ctrl */ 56 u8 res2[4]; 57 u32 ewar1; /* 0x020 - External write address 1 */ 58 u32 ewarea1; /* 0x024 - External write address extended 1 */ 59 u32 ewcr1; /* 0x028 - External write ctrl 1 */ 60 u8 res3[4]; 61 u32 ewar2; /* 0x030 - External write address 2 */ 62 u32 ewarea2; /* 0x034 - External write address extended 2 */ 63 u32 ewcr2; /* 0x038 - External write ctrl 2 */ 64 u8 res4[4]; 65 u32 ewar3; /* 0x040 - External write address 3 */ 66 u32 ewarea3; /* 0x044 - External write address extended 3 */ 67 u32 ewcr3; /* 0x048 - External write ctrl 3 */ 68 u8 res5[0xB4]; 69 u32 srbar0; /* 0x100 - SRAM base address 0 */ 70 u32 srbarea0; /* 0x104 - SRAM base addr reg ext address 0 */ 71 u32 srbar1; /* 0x108 - SRAM base address 1 */ 72 u32 srbarea1; /* 0x10C - SRAM base addr reg ext address 1 */ 73 u8 res6[0xCF0]; 74 u32 errinjhi; /* 0xE00 - Error injection mask high */ 75 u32 errinjlo; /* 0xE04 - Error injection mask low */ 76 u32 errinjctl; /* 0xE08 - Error injection tag/ecc control */ 77 u8 res7[0x14]; 78 u32 captdatahi; /* 0xE20 - Error data high capture */ 79 u32 captdatalo; /* 0xE24 - Error data low capture */ 80 u32 captecc; /* 0xE28 - Error syndrome */ 81 u8 res8[0x14]; 82 u32 errdet; /* 0xE40 - Error detect */ 83 u32 errdis; /* 0xE44 - Error disable */ 84 u32 errinten; /* 0xE48 - Error interrupt enable */ 85 u32 errattr; /* 0xE4c - Error attribute capture */ 86 u32 erradrrl; /* 0xE50 - Error address capture low */ 87 u32 erradrrh; /* 0xE54 - Error address capture high */ 88 u32 errctl; /* 0xE58 - Error control */ 89 u8 res9[0x1A4]; 90 }; 91 92 struct sram_parameters { 93 unsigned int sram_size; 94 uint64_t sram_offset; 95 }; 96 97 extern int instantiate_cache_sram(struct platform_device *dev, 98 struct sram_parameters sram_params); 99 extern void remove_cache_sram(struct platform_device *dev); 100 101 #endif /* __FSL_85XX_CACHE_CTLR_H__ */ 102