[people/ms/u-boot.git] / board / sbc8548 / tlb.c

/*
 * Copyright 2008 Freescale Semiconductor, Inc.
 *
 * (C) Copyright 2000
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#include <common.h>
#include <asm/mmu.h>

struct fsl_e_tlb_entry tlb_table[] = {
	/* TLB 0 - for temp stack in cache */
	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR, CONFIG_SYS_INIT_RAM_ADDR,
		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
		      0, 0, BOOKE_PAGESZ_4K, 0),
	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024 , CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
		      0, 0, BOOKE_PAGESZ_4K, 0),
	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024 , CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
		      0, 0, BOOKE_PAGESZ_4K, 0),
	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024 , CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
		      0, 0, BOOKE_PAGESZ_4K, 0),

	/*
	 * TLB 0:	16M	Non-cacheable, guarded
	 * 0xff800000	16M	TLB for 8MB FLASH
	 * Out of reset this entry is only 4K.
	 */
	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE,
		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
		      0, 0, BOOKE_PAGESZ_16M, 1),

	/*
	 * TLB 1:	256M	Non-cacheable, guarded
	 * 0x80000000	256M	PCI1 MEM First half
	 */
	SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_MEM_PHYS, CONFIG_SYS_PCI1_MEM_PHYS,
		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
		      0, 1, BOOKE_PAGESZ_256M, 1),

	/*
	 * TLB 2:	256M	Non-cacheable, guarded
	 * 0x90000000	256M	PCI1 MEM Second half
	 */
	SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_MEM_PHYS + 0x10000000, CONFIG_SYS_PCI1_MEM_PHYS + 0x10000000,
		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
		      0, 2, BOOKE_PAGESZ_256M, 1),

	/*
	 * TLB 3:	256M Cacheable, non-guarded
	 * 0x0		256M DDR SDRAM
	 */
	#if !defined(CONFIG_SPD_EEPROM)
	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
		      0, 3, BOOKE_PAGESZ_256M, 1),
	#endif

	/*
	 * TLB 4:	64M	Non-cacheable, guarded
	 * 0xe0000000	1M	CCSRBAR
	 * 0xe2000000	16M	PCI1 IO
	 */
	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
		      0, 4, BOOKE_PAGESZ_64M, 1),

	/*
	 * TLB 5:	64M	Cacheable, non-guarded
	 * 0xf0000000	64M	LBC SDRAM
	 */
	SET_TLB_ENTRY(1, CONFIG_SYS_LBC_SDRAM_BASE, CONFIG_SYS_LBC_SDRAM_BASE,
		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
		      0, 5, BOOKE_PAGESZ_64M, 1),

	/*
	 * TLB 6:	16M	Cacheable, non-guarded
	 * 0xf8000000	1M	7-segment LED display
	 * 0xf8100000	1M	User switches
	 * 0xf8300000	1M	Board revision
	 * 0xf8b00000	1M	EEPROM
	 */
	SET_TLB_ENTRY(1, CONFIG_SYS_EPLD_BASE, CONFIG_SYS_EPLD_BASE,
		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
		      0, 6, BOOKE_PAGESZ_16M, 1),
};

int num_tlb_entries = ARRAY_SIZE(tlb_table);
Commit	Line	Data
143b518d KG	1	/*
	2	* Copyright 2008 Freescale Semiconductor, Inc.
	3	*
	4	* (C) Copyright 2000
	5	* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
	6	*
	7	* See file CREDITS for list of people who contributed to this
	8	* project.
	9	*
	10	* This program is free software; you can redistribute it and/or
	11	* modify it under the terms of the GNU General Public License as
	12	* published by the Free Software Foundation; either version 2 of
	13	* the License, or (at your option) any later version.
	14	*
	15	* This program is distributed in the hope that it will be useful,
	16	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	17	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	18	* GNU General Public License for more details.
	19	*
	20	* You should have received a copy of the GNU General Public License
	21	* along with this program; if not, write to the Free Software
	22	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	23	* MA 02111-1307 USA
	24	*/
	25
	26	#include <common.h>
	27	#include <asm/mmu.h>
	28
	29	struct fsl_e_tlb_entry tlb_table[] = {
	30	/* TLB 0 - for temp stack in cache */
6d0f6bcf	31	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR, CONFIG_SYS_INIT_RAM_ADDR,
143b518d KG	32	MAS3_SX\|MAS3_SW\|MAS3_SR, 0,
143b518d KG	33	0, 0, BOOKE_PAGESZ_4K, 0),
6d0f6bcf	34	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024 , CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
143b518d KG	35	MAS3_SX\|MAS3_SW\|MAS3_SR, 0,
143b518d KG	36	0, 0, BOOKE_PAGESZ_4K, 0),
6d0f6bcf	37	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024 , CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
143b518d KG	38	MAS3_SX\|MAS3_SW\|MAS3_SR, 0,
143b518d KG	39	0, 0, BOOKE_PAGESZ_4K, 0),
6d0f6bcf	40	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024 , CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
143b518d KG	41	MAS3_SX\|MAS3_SW\|MAS3_SR, 0,
	42	0, 0, BOOKE_PAGESZ_4K, 0),
	43
	44	/*
	45	* TLB 0: 16M Non-cacheable, guarded
	46	* 0xff800000 16M TLB for 8MB FLASH
	47	* Out of reset this entry is only 4K.
	48	*/
6d0f6bcf	49	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE,
143b518d KG	50	MAS3_SX\|MAS3_SW\|MAS3_SR, MAS2_I\|MAS2_G,
	51	0, 0, BOOKE_PAGESZ_16M, 1),
	52
	53	/*
	54	* TLB 1: 256M Non-cacheable, guarded
	55	* 0x80000000 256M PCI1 MEM First half
	56	*/
6d0f6bcf	57	SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_MEM_PHYS, CONFIG_SYS_PCI1_MEM_PHYS,
143b518d KG	58	MAS3_SX\|MAS3_SW\|MAS3_SR, MAS2_I\|MAS2_G,
	59	0, 1, BOOKE_PAGESZ_256M, 1),
	60
	61	/*
	62	* TLB 2: 256M Non-cacheable, guarded
	63	* 0x90000000 256M PCI1 MEM Second half
	64	*/
6d0f6bcf	65	SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_MEM_PHYS + 0x10000000, CONFIG_SYS_PCI1_MEM_PHYS + 0x10000000,
143b518d KG	66	MAS3_SX\|MAS3_SW\|MAS3_SR, MAS2_I\|MAS2_G,
	67	0, 2, BOOKE_PAGESZ_256M, 1),
	68
	69	/*
	70	* TLB 3: 256M Cacheable, non-guarded
	71	* 0x0 256M DDR SDRAM
	72	*/
	73	#if !defined(CONFIG_SPD_EEPROM)
6d0f6bcf	74	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
143b518d KG	75	MAS3_SX\|MAS3_SW\|MAS3_SR, 0,
	76	0, 3, BOOKE_PAGESZ_256M, 1),
	77	#endif
	78
	79	/*
	80	* TLB 4: 64M Non-cacheable, guarded
	81	* 0xe0000000 1M CCSRBAR
	82	* 0xe2000000 16M PCI1 IO
	83	*/
6d0f6bcf	84	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
143b518d KG	85	MAS3_SX\|MAS3_SW\|MAS3_SR, MAS2_I\|MAS2_G,
	86	0, 4, BOOKE_PAGESZ_64M, 1),
	87
	88	/*
	89	* TLB 5: 64M Cacheable, non-guarded
	90	* 0xf0000000 64M LBC SDRAM
	91	*/
6d0f6bcf	92	SET_TLB_ENTRY(1, CONFIG_SYS_LBC_SDRAM_BASE, CONFIG_SYS_LBC_SDRAM_BASE,
143b518d KG	93	MAS3_SX\|MAS3_SW\|MAS3_SR, 0,
	94	0, 5, BOOKE_PAGESZ_64M, 1),
	95
	96	/*
	97	* TLB 6: 16M Cacheable, non-guarded
	98	* 0xf8000000 1M 7-segment LED display
	99	* 0xf8100000 1M User switches
	100	* 0xf8300000 1M Board revision
	101	* 0xf8b00000 1M EEPROM
	102	*/
6d0f6bcf	103	SET_TLB_ENTRY(1, CONFIG_SYS_EPLD_BASE, CONFIG_SYS_EPLD_BASE,
143b518d KG	104	MAS3_SX\|MAS3_SW\|MAS3_SR, MAS2_I\|MAS2_G,
	105	0, 6, BOOKE_PAGESZ_16M, 1),
	106	};
	107
	108	int num_tlb_entries = ARRAY_SIZE(tlb_table);