diff options
author | Andy Fleming <afleming@gmail.com> | 2015-11-04 15:48:32 -0600 |
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committer | York Sun <yorksun@freescale.com> | 2015-11-04 15:19:34 -0800 |
commit | 87e29878caba758ed3e09e9912ac8eb6dfc55f39 (patch) | |
tree | d98b04c33498eb2bb30dac21961d1bb32637823c /board/varisys/cyrus/tlb.c | |
parent | c79e1c1ce9e5c1ddf6fac631e4741999f8a0cc58 (diff) | |
download | u-boot-imx-87e29878caba758ed3e09e9912ac8eb6dfc55f39.zip u-boot-imx-87e29878caba758ed3e09e9912ac8eb6dfc55f39.tar.gz u-boot-imx-87e29878caba758ed3e09e9912ac8eb6dfc55f39.tar.bz2 |
mpc85xx: Add support for the Varisys Cyrus board
This board runs a P5020 or P5040 chip, and utilizes
an EEPROM with similar formatting to the Freescale P5020DS.
Large amounts of this code were developed by
Adrian Cox <adrian at humboldt dot co dot uk>
Signed-off-by: Andy Fleming <afleming@gmail.com>
Reviewed-by: York Sun <yorksun@freescale.com>
Diffstat (limited to 'board/varisys/cyrus/tlb.c')
-rw-r--r-- | board/varisys/cyrus/tlb.c | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/board/varisys/cyrus/tlb.c b/board/varisys/cyrus/tlb.c new file mode 100644 index 0000000..3fa5864 --- /dev/null +++ b/board/varisys/cyrus/tlb.c @@ -0,0 +1,106 @@ +/* + * Author: Adrian Cox + * Based on corenet_ds tlb code + * + * 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_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_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_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_SW|MAS3_SR, 0, + 0, 0, BOOKE_PAGESZ_4K, 0), + + /* TLB 1 */ + /* *I*** - Covers boot page */ +#if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L3_ADDR) + /* + * *I*G - L3SRAM. When L3 is used as 1M SRAM, the address of the + * SRAM is at 0xfff00000, it covered the 0xfffff000. + */ + SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L3_ADDR, CONFIG_SYS_INIT_L3_ADDR, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 0, BOOKE_PAGESZ_1M, 1), +#else + SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 0, BOOKE_PAGESZ_4K, 1), +#endif + + /* *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_16M, 1), + + /* Local Bus */ + SET_TLB_ENTRY(1, CONFIG_SYS_LBC0_BASE, CONFIG_SYS_LBC0_BASE_PHYS, + MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 2, BOOKE_PAGESZ_64K, 1), + SET_TLB_ENTRY(1, CONFIG_SYS_LBC1_BASE, CONFIG_SYS_LBC1_BASE_PHYS, + MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 3, BOOKE_PAGESZ_4K, 1), + + /* *I*G* - PCI */ + SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS, + MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 4, BOOKE_PAGESZ_1G, 1), + + /* *I*G* - PCI */ + SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT + 0x40000000, + CONFIG_SYS_PCIE1_MEM_PHYS + 0x40000000, + MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 5, BOOKE_PAGESZ_256M, 1), + + SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT + 0x50000000, + CONFIG_SYS_PCIE1_MEM_PHYS + 0x50000000, + MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 6, BOOKE_PAGESZ_256M, 1), + + /* *I*G* - PCI I/O */ + SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS, + MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 7, BOOKE_PAGESZ_256K, 1), + + /* Bman/Qman */ +#ifdef CONFIG_SYS_BMAN_MEM_PHYS + SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE, CONFIG_SYS_BMAN_MEM_PHYS, + MAS3_SW|MAS3_SR, 0, + 0, 9, BOOKE_PAGESZ_1M, 1), + SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE + 0x00100000, + CONFIG_SYS_BMAN_MEM_PHYS + 0x00100000, + MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 10, BOOKE_PAGESZ_1M, 1), +#endif +#ifdef CONFIG_SYS_QMAN_MEM_PHYS + SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE, CONFIG_SYS_QMAN_MEM_PHYS, + MAS3_SW|MAS3_SR, 0, + 0, 11, BOOKE_PAGESZ_1M, 1), + SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE + 0x00100000, + CONFIG_SYS_QMAN_MEM_PHYS + 0x00100000, + MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 12, BOOKE_PAGESZ_1M, 1), +#endif +#ifdef CONFIG_SYS_DCSRBAR_PHYS + SET_TLB_ENTRY(1, CONFIG_SYS_DCSRBAR, CONFIG_SYS_DCSRBAR_PHYS, + MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 13, BOOKE_PAGESZ_4M, 1), +#endif +}; + +int num_tlb_entries = ARRAY_SIZE(tlb_table); |