diff options
Diffstat (limited to 'board/freescale/p1_twr/tlb.c')
| -rw-r--r-- | board/freescale/p1_twr/tlb.c | 76 | 
1 files changed, 76 insertions, 0 deletions
| diff --git a/board/freescale/p1_twr/tlb.c b/board/freescale/p1_twr/tlb.c new file mode 100644 index 000000000..308335c97 --- /dev/null +++ b/board/freescale/p1_twr/tlb.c @@ -0,0 +1,76 @@ +/* + * Copyright 2013 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier:	GPL-2.0+ + */ + +#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_PHYS, +			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_PHYS + 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_PHYS + 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_PHYS + 12 * 1024, +			MAS3_SX|MAS3_SW|MAS3_SR, 0, +			0, 0, BOOKE_PAGESZ_4K, 0), + +	/* TLB 1 */ +	/* *I*** - Covers boot page */ +	SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000, +			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I, +			0, 0, BOOKE_PAGESZ_4K, 1), + +	/* *I*G* - CCSRBAR */ +	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS, +			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, +			0, 1, BOOKE_PAGESZ_1M, 1), + +#ifndef CONFIG_SPL_BUILD +	/* W**G* - Flash, localbus */ +	/* This will be changed to *I*G* after relocation to RAM. */ +	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS, +			MAS3_SX|MAS3_SR, MAS2_W|MAS2_G, +			0, 2, BOOKE_PAGESZ_64M, 1), + +	/* W**G* - Flash, localbus */ +	/* This will be changed to *I*G* after relocation to RAM. */ +	SET_TLB_ENTRY(1, CONFIG_SYS_SSD_BASE, CONFIG_SYS_SSD_BASE_PHYS, +			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, +			0, 5, BOOKE_PAGESZ_1M, 1), + +#ifdef CONFIG_PCI +	/* *I*G* - PCI memory 1.5G */ +	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS, +			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, +			0, 3, BOOKE_PAGESZ_1G, 1), + +	/* *I*G* - PCI I/O effective: 192K  */ +	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS, +			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, +			0, 4, BOOKE_PAGESZ_256K, 1), +#endif + +#endif + +#ifdef CONFIG_SYS_RAMBOOT +	/* *I*G - eSDHC boot */ +	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE, +			MAS3_SX|MAS3_SW|MAS3_SR, 0, +			0, 8, BOOKE_PAGESZ_1G, 1), +#endif + +}; + +int num_tlb_entries = ARRAY_SIZE(tlb_table); |