mirror of
https://github.com/AsahiLinux/u-boot
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7c0d4a7508
Changing the flash from cacheable to cache-inhibited was taking a significant amount of time due to the fact that we were iterating over the full 256M of flash. Instead we can just flush the L1 d-cache and invalidate the i-cache. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
71 lines
2.6 KiB
C
71 lines
2.6 KiB
C
/*
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* Copyright 2008 Freescale Semiconductor, Inc.
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*
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* (C) Copyright 2000
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <asm/mmu.h>
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struct fsl_e_tlb_entry tlb_table[] = {
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/* TLB 0 - for temp stack in cache */
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SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR, CONFIG_SYS_INIT_RAM_ADDR,
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MAS3_SX|MAS3_SW|MAS3_SR, 0,
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0, 0, BOOKE_PAGESZ_4K, 0),
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SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024 , CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
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MAS3_SX|MAS3_SW|MAS3_SR, 0,
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0, 0, BOOKE_PAGESZ_4K, 0),
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SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024 , CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
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MAS3_SX|MAS3_SW|MAS3_SR, 0,
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0, 0, BOOKE_PAGESZ_4K, 0),
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SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024 , CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
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MAS3_SX|MAS3_SW|MAS3_SR, 0,
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0, 0, BOOKE_PAGESZ_4K, 0),
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SET_TLB_ENTRY(0, PIXIS_BASE, PIXIS_BASE,
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MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
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0, 0, BOOKE_PAGESZ_4K, 0),
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/* TLB 1 */
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/* *I*G* - CCSRBAR */
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SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
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MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
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0, 0, BOOKE_PAGESZ_1M, 1),
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/* W**G* - Flash/promjet, localbus */
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/* This will be changed to *I*G* after relocation to RAM. */
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SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE,
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MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
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0, 1, BOOKE_PAGESZ_256M, 1),
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/* *I*G* - PCI */
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SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_MEM_PHYS, CONFIG_SYS_PCI1_MEM_PHYS,
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MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
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0, 2, BOOKE_PAGESZ_1G, 1),
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/* *I*G* - PCI I/O */
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SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_IO_PHYS, CONFIG_SYS_PCI1_IO_PHYS,
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MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
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0, 3, BOOKE_PAGESZ_256K, 1),
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};
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int num_tlb_entries = ARRAY_SIZE(tlb_table);
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