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Diffstat (limited to 'board/netstal/hcu5/init.S')
| -rw-r--r-- | board/netstal/hcu5/init.S | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/board/netstal/hcu5/init.S b/board/netstal/hcu5/init.S new file mode 100644 index 0000000..6da5f22 --- /dev/null +++ b/board/netstal/hcu5/init.S @@ -0,0 +1,81 @@ +/* + * + * 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 <ppc_asm.tmpl> +#include <config.h> +#include <asm/mmu.h> + +/************************************************************************** + * TLB TABLE + * + * This table is used by the cpu boot code to setup the initial tlb + * entries. Rather than make broad assumptions in the cpu source tree, + * this table lets each board set things up however they like. + * + * Pointer to the table is returned in r1 + * + *************************************************************************/ + .section .bootpg,"ax" + .globl tlbtab + +tlbtab: + tlbtab_start + + /* vxWorks needs this entry for the Machine Check interrupt, */ + /* tlbentry( 0x40000000, SZ_256M, 0, 1, AC_R|AC_W|AC_X|SA_G|SA_I ) */ + + /* + * BOOT_CS (FLASH) must be second. Before relocation SA_I can be off to use the + * speed up boot process. It is patched after relocation to enable SA_I + */ + tlbentry( CFG_BOOT_BASE_ADDR, SZ_1M, CFG_BOOT_BASE_ADDR, 1, AC_R|AC_W|AC_X|SA_G ) + + /* TLB-entry for PCI Memory */ + tlbentry( CFG_PCI_MEMBASE, SZ_256M, CFG_PCI_MEMBASE, 1, AC_R|AC_W|SA_G|SA_I ) + tlbentry( CFG_PCI_MEMBASE1, SZ_256M, CFG_PCI_MEMBASE1, 1, AC_R|AC_W|SA_G|SA_I ) + tlbentry( CFG_PCI_MEMBASE2, SZ_256M, CFG_PCI_MEMBASE2, 1, AC_R|AC_W|SA_G|SA_I ) + tlbentry( CFG_PCI_MEMBASE3, SZ_256M, CFG_PCI_MEMBASE3, 1, AC_R|AC_W|SA_G|SA_I ) + + /* TLB-entry for EBC (CFG_CPLD) */ + // tlbentry( CFG_CPLD, SZ_1K, CFG_CPLD, 1, AC_R|AC_W|AC_X|SA_G|SA_I ) + /* CAN */ + tlbentry( CFG_CS_1, SZ_16M, CFG_CS_1, 1, AC_R|AC_W|AC_X|SA_G|SA_I ) + /* IMC + CPLD */ + tlbentry( CFG_CS_2, SZ_16M, CFG_CS_2, 1, AC_R|AC_W|AC_X|SA_G|SA_I ) + tlbentry( CFG_CS_2 + 0x1000000, SZ_16M, CFG_CS_2 + 0x1000000, 1, AC_R|AC_W|AC_X|SA_G|SA_I ) + /* IMC-Fast */ + tlbentry( CFG_CS_3, SZ_16M, CFG_CS_3, 1, AC_R|AC_W|AC_X|SA_G|SA_I ) + tlbentry( CFG_CS_3 + 0x1000000, SZ_16M, CFG_CS_3 + 0x1000000, 1, AC_R|AC_W|AC_X|SA_G|SA_I ) + + /* TLB-entry for Internal Registers & OCM */ + tlbentry( CFG_PCI_BASE, SZ_16M, 0xe0000000, 0, AC_R|AC_W|AC_X|SA_I ) + + /*TLB-entry PCI registers*/ + tlbentry( 0xEEC00000, SZ_1K, 0xEEC00000, 1, AC_R|AC_W|AC_X|SA_G|SA_I ) + + /* TLB-entry for peripherals */ + tlbentry( 0xEF000000, SZ_16M, 0xEF000000, 1, AC_R|AC_W|AC_X|SA_G|SA_I) + + /* TLB for SDRAM will be added by initdram (sdram.c) */ + + tlbtab_end + + |