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hikey: Add MMU tables

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The hikey runs with dcache disabled today. There really should be no reason
not to use caches on AArch64, so let's add MMU definitions and enable the
dcache.

Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Alexander Graf 2016-03-04 01:09:53 +01:00 committed by Tom Rini
parent 9b5b8b6ee1
commit 2184582560
2 changed files with 24 additions and 2 deletions
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21
board/hisilicon/hikey/hikey.c
View File

@ -19,6 +19,7 @@
#include <asm/arch/periph.h> #include <asm/arch/periph.h>
#include <asm/arch/pinmux.h> #include <asm/arch/pinmux.h>
#include <asm/arch/hi6220.h> #include <asm/arch/hi6220.h>
#include <asm/armv8/mmu.h>
/*TODO drop this table in favour of device tree */ /*TODO drop this table in favour of device tree */
static const struct hikey_gpio_platdata hi6220_gpio[] = { static const struct hikey_gpio_platdata hi6220_gpio[] = {
@ -87,6 +88,26 @@ U_BOOT_DEVICE(hikey_seriala) = {
.platdata = &serial_platdata, .platdata = &serial_platdata,
}; };
static struct mm_region hikey_mem_map[] = {
{
.base = 0x0UL,
.size = 0x80000000UL,
.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
PTE_BLOCK_INNER_SHARE
}, {
.base = 0x80000000UL,
.size = 0x80000000UL,
.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
PTE_BLOCK_NON_SHARE |
PTE_BLOCK_PXN | PTE_BLOCK_UXN
}, {
/* List terminator */
0,
}
};
struct mm_region *mem_map = hikey_mem_map;
#ifdef CONFIG_BOARD_EARLY_INIT_F #ifdef CONFIG_BOARD_EARLY_INIT_F
int board_uart_init(void) int board_uart_init(void)
{ {

5
include/configs/hikey.h
View File

@ -21,8 +21,9 @@
#define CONFIG_SUPPORT_RAW_INITRD #define CONFIG_SUPPORT_RAW_INITRD
/* Cache Definitions */ /* MMU Definitions */
#define CONFIG_SYS_DCACHE_OFF #define CONFIG_SYS_CACHELINE_SIZE 64
#define CONFIG_SYS_FULL_VA
#define CONFIG_IDENT_STRING "hikey" #define CONFIG_IDENT_STRING "hikey"