diff options
| author |   Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
|---|---|---|
| committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
| commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
| tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/arch/nios2/cpu/cpu.c | |
| 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/arch/nios2/cpu/cpu.c')
| -rw-r--r-- | qemu/roms/u-boot/arch/nios2/cpu/cpu.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/arch/nios2/cpu/cpu.c b/qemu/roms/u-boot/arch/nios2/cpu/cpu.c new file mode 100644 index 000000000..e0dcbc201 --- /dev/null +++ b/qemu/roms/u-boot/arch/nios2/cpu/cpu.c @@ -0,0 +1,49 @@ +/* + * (C) Copyright 2004, Psyent Corporation <www.psyent.com> + * Scott McNutt <smcnutt@psyent.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <nios2.h> +#include <nios2-io.h> +#include <asm/cache.h> + +#if defined (CONFIG_SYS_NIOS_SYSID_BASE) +extern void display_sysid (void); +#endif /* CONFIG_SYS_NIOS_SYSID_BASE */ + +int checkcpu (void) +{ + printf ("CPU : Nios-II\n"); +#if !defined(CONFIG_SYS_NIOS_SYSID_BASE) + printf ("SYSID : <unknown>\n"); +#else + display_sysid (); +#endif + return (0); +} + +int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + disable_interrupts(); + /* indirect call to go beyond 256MB limitation of toolchain */ + nios2_callr(CONFIG_SYS_RESET_ADDR); + return 0; +} + +int dcache_status(void) +{ + return 1; +} + +void dcache_enable(void) +{ + flush_dcache(CONFIG_SYS_DCACHE_SIZE, CONFIG_SYS_DCACHELINE_SIZE); +} + +void dcache_disable(void) +{ + flush_dcache(CONFIG_SYS_DCACHE_SIZE, CONFIG_SYS_DCACHELINE_SIZE); +} |