diff options
author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
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committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/board/gdsys/intip/init.S | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/board/gdsys/intip/init.S')
-rw-r--r-- | qemu/roms/u-boot/board/gdsys/intip/init.S | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/gdsys/intip/init.S b/qemu/roms/u-boot/board/gdsys/intip/init.S new file mode 100644 index 000000000..1fc2a2f3e --- /dev/null +++ b/qemu/roms/u-boot/board/gdsys/intip/init.S @@ -0,0 +1,82 @@ +/* + * (C) Copyright 2009 + * Dirk Eibach, Guntermann & Drunck GmbH, eibach@gdsys.de + * + * Based on board/amcc/canyonlands/init.S + * (C) Copyright 2008 + * Stefan Roese, DENX Software Engineering, sr@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <asm-offsets.h> +#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 + + /* + * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to + * use the speed up boot process. It is patched after relocation to + * enable SA_I + */ + tlbentry(CONFIG_SYS_BOOT_BASE_ADDR, SZ_16M, CONFIG_SYS_BOOT_BASE_ADDR, + 4, AC_RWX | SA_G) /* TLB 0 */ + + /* + * TLB entries for SDRAM are not needed on this platform. + * They are dynamically generated in the SPD DDR(2) detection + * routine. + */ + +#ifdef CONFIG_SYS_INIT_RAM_DCACHE + /* TLB-entry for init-ram in dcache (SA_I must be turned off!) */ + tlbentry(CONFIG_SYS_INIT_RAM_ADDR, SZ_4K, CONFIG_SYS_INIT_RAM_ADDR, + 0, AC_RWX | SA_G) +#endif + + tlbentry(CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 0xC, + AC_RW | SA_IG) + tlbentry(CONFIG_SYS_PCI_MEMBASE, SZ_256M, 0x20000000, 0xC, + AC_RW | SA_IG) + + /* TLB-entry for NVRAM */ + tlbentry(CONFIG_SYS_NVRAM_BASE, SZ_1M, CONFIG_SYS_NVRAM_BASE, 4, + AC_RW | SA_IG) + + /* TLB-entry for UART */ + tlbentry(CONFIG_SYS_UART_BASE, SZ_16K, CONFIG_SYS_UART_BASE, 4, + AC_RW | SA_IG) + + /* TLB-entry for IO */ + tlbentry(CONFIG_SYS_IO_BASE, SZ_16K, CONFIG_SYS_IO_BASE, 4, + AC_RW | SA_IG) + + /* TLB-entry for OCM */ + tlbentry(CONFIG_SYS_OCM_BASE, SZ_1M, 0x00000000, 4, + AC_RWX | SA_I) + + /* TLB-entry for Local Configuration registers => peripherals */ + tlbentry(CONFIG_SYS_LOCAL_CONF_REGS, SZ_16M, CONFIG_SYS_LOCAL_CONF_REGS, + 4, AC_RWX | SA_IG) + + /* AHB: Internal USB Peripherals (USB, SATA) */ + tlbentry(CONFIG_SYS_AHB_BASE, SZ_1M, 0xbff00000, 4, + AC_RWX | SA_IG) + + tlbtab_end |