Difuse/u-boot
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

nds32: ftmac100 support cache enable.

Browse source 
Enable cache and ftmac100 performance can be improved.

Signed-off-by: rick <rick@andestech.com>
This commit is contained in:
rick 2017-08-29 10:12:02 +08:00 committed by Andes
parent ce4e2370f7
commit e336b73d8a
4 changed files with 51 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

29
arch/nds32/cpu/n1213/start.S
View file

@ -119,19 +119,46 @@ set_ivb:
/* set IVIC, vector size: 4 bytes, base: 0x0 */
mtsr $r0, $ivb
/*
* MMU_CTL NTC0 Cacheable/Write-Back
* MMU_CTL NTC0 Non-cacheable
*/
li $r0, ~0x6
mfsr $r1, $mr0
and $r1, $r1, $r0
mtsr $r1, $mr0
li $r0, ~0x3
mfsr $r1, $mr8
and $r1, $r1, $r0
mtsr $r1, $mr8
#if (!defined(CONFIG_SYS_ICACHE_OFF) || !defined(CONFIG_SYS_DCACHE_OFF))
/*
* MMU_CTL NTC0 Cacheable/Write-Back
*/
li $r0, 0x4
mfsr $r1, $mr0
or $r1, $r1, $r0
mtsr $r1, $mr0
#endif
#ifndef CONFIG_SYS_DCACHE_OFF
#ifdef CONFIG_ARCH_MAP_SYSMEM
/*
* MMU_CTL NTC1 Non-cacheable
*/
li $r0, ~0x18
mfsr $r1, $mr0
and $r1, $r1, $r0
mtsr $r1, $mr0
/*
* MMU_CTL NTM1 mapping for partition 0
*/
li $r0, ~0x6000
mfsr $r1, $mr0
and $r1, $r1, $r0
mtsr $r1, $mr0
#endif
#endif
#if !defined(CONFIG_SYS_ICACHE_OFF)
li $r0, 0x1
mfsr $r1, $mr8

21
arch/nds32/include/asm/io.h
View file

@ -48,6 +48,27 @@ static inline void sync(void)
#define MAP_WRBACK (0)
#define MAP_WRTHROUGH (0)
#ifdef CONFIG_ARCH_MAP_SYSMEM
static inline void *map_sysmem(phys_addr_t paddr, unsigned long len)
{
if(paddr <PHYS_SDRAM_0_SIZE + PHYS_SDRAM_1_SIZE)
paddr = paddr | 0x40000000;
return (void *)(uintptr_t)paddr;
}
static inline void *unmap_sysmem(const void *vaddr)
{
phys_addr_t paddr = (phys_addr_t)vaddr;
paddr = paddr & ~0x40000000;
return (void *)(uintptr_t)paddr;
}
static inline phys_addr_t map_to_sysmem(const void *ptr)
{
return (phys_addr_t)(uintptr_t)ptr;
}
#endif
static inline void *
map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags)
{

3
include/configs/adp-ae3xx.h
View file

@ -23,8 +23,7 @@
#define CONFIG_CMDLINE_EDITING
#define CONFIG_PANIC_HANG
#define CONFIG_SYS_ICACHE_OFF
#define CONFIG_SYS_DCACHE_OFF
#define CONFIG_ARCH_MAP_SYSMEM
#define CONFIG_BOOTP_SEND_HOSTNAME
#define CONFIG_BOOTP_SERVERIP

3
include/configs/adp-ag101p.h
View file

@ -22,8 +22,7 @@
#define CONFIG_CMDLINE_EDITING
#define CONFIG_SYS_ICACHE_OFF
#define CONFIG_SYS_DCACHE_OFF
#define CONFIG_ARCH_MAP_SYSMEM
#define CONFIG_BOOTP_SEND_HOSTNAME
#define CONFIG_BOOTP_SERVERIP