Both real Malta boards & emulators that mimic Malta (eg. QEMU) can
support MIPS64 CPUs. Allow MIPS64 builds of U-Boot for such boards,
which enables the user to make use of the whole 64 bit address space.
Signed-off-by: Paul Burton <paul.bur...@imgtec.com>
---
arch/mips/Kconfig | 3 +++
board/imgtec/malta/Kconfig | 3 ++-
board/imgtec/malta/lowlevel_init.S | 13 +++++++------
include/configs/malta.h | 18 +++++++++++++-----
4 files changed, 25 insertions(+), 12 deletions(-)
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 53363e3..abaeaf0 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -33,6 +33,9 @@ config TARGET_MALTA
select SUPPORTS_CPU_MIPS32_R1
select SUPPORTS_CPU_MIPS32_R2
select SUPPORTS_CPU_MIPS32_R6
+ select SUPPORTS_CPU_MIPS64_R1
+ select SUPPORTS_CPU_MIPS64_R2
+ select SUPPORTS_CPU_MIPS64_R6
select SWAP_IO_SPACE
select MIPS_L1_CACHE_SHIFT_6
diff --git a/board/imgtec/malta/Kconfig b/board/imgtec/malta/Kconfig
index 2bb8e8b..98eb4d1 100644
--- a/board/imgtec/malta/Kconfig
+++ b/board/imgtec/malta/Kconfig
@@ -10,6 +10,7 @@ config SYS_CONFIG_NAME
default "malta"
config SYS_TEXT_BASE
- default 0xbe000000
+ default 0xbe000000 if 32BIT
+ default 0xffffffffbe000000 if 64BIT
endif
diff --git a/board/imgtec/malta/lowlevel_init.S
b/board/imgtec/malta/lowlevel_init.S
index 534db1d..3d48cdc 100644
--- a/board/imgtec/malta/lowlevel_init.S
+++ b/board/imgtec/malta/lowlevel_init.S
@@ -10,6 +10,7 @@
#include <pci.h>
#include <asm/addrspace.h>
+#include <asm/asm.h>
#include <asm/regdef.h>
#include <asm/malta.h>
#include <asm/mipsregs.h>
@@ -34,7 +35,7 @@ lowlevel_init:
mtc0 t0, CP0_CONFIG, 2
/* detect the core card */
- li t0, KSEG1ADDR(MALTA_REVISION)
+ PTR_LI t0, CKSEG1ADDR(MALTA_REVISION)
lw t0, 0(t0)
srl t0, t0, MALTA_REVISION_CORID_SHF
andi t0, t0, (MALTA_REVISION_CORID_MSK >> \
@@ -68,12 +69,12 @@ lowlevel_init:
*/
_gt64120:
/* move GT64120 registers from 0x14000000 to 0x1be00000 */
- li t1, KSEG1ADDR(GT_DEF_BASE)
+ PTR_LI t1, CKSEG1ADDR(GT_DEF_BASE)
li t0, CPU_TO_GT32(0xdf000000)
sw t0, GT_ISD_OFS(t1)
/* setup MEM-to-PCI0 mapping */
- li t1, KSEG1ADDR(MALTA_GT_BASE)
+ PTR_LI t1, CKSEG1ADDR(MALTA_GT_BASE)
/* setup PCI0 io window to 0x18000000-0x181fffff */
li t0, CPU_TO_GT32(0xc0000000)
@@ -100,7 +101,7 @@ _gt64120:
*/
_msc01:
/* setup peripheral bus controller clock divide */
- li t0, KSEG1ADDR(MALTA_MSC01_PBC_BASE)
+ PTR_LI t0, CKSEG1ADDR(MALTA_MSC01_PBC_BASE)
li t1, 0x1 << MSC01_PBC_CLKCFG_SHF
sw t1, MSC01_PBC_CLKCFG_OFS(t0)
@@ -122,7 +123,7 @@ _msc01:
sw t1, MSC01_PBC_CS0CFG_OFS(t0)
/* setup basic address decode */
- li t0, KSEG1ADDR(MALTA_MSC01_BIU_BASE)
+ PTR_LI t0, CKSEG1ADDR(MALTA_MSC01_BIU_BASE)
li t1, 0x0
li t2, -CONFIG_SYS_MEM_SIZE
sw t1, MSC01_BIU_MCBAS1L_OFS(t0)
@@ -157,7 +158,7 @@ _msc01:
sw t2, MSC01_BIU_IP3MSK2L_OFS(t0)
/* setup PCI memory */
- li t0, KSEG1ADDR(MALTA_MSC01_PCI_BASE)
+ PTR_LI t0, CKSEG1ADDR(MALTA_MSC01_PCI_BASE)
li t1, MALTA_MSC01_PCIMEM_BASE
li t2, (-MALTA_MSC01_PCIMEM_SIZE) & MSC01_PCI_SC2PMMSKL_MSK_MSK
li t3, MALTA_MSC01_PCIMEM_MAP
diff --git a/include/configs/malta.h b/include/configs/malta.h
index a369678..fc4baba 100644
--- a/include/configs/malta.h
+++ b/include/configs/malta.h
@@ -39,14 +39,18 @@
*/
#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
-#define CONFIG_SYS_SDRAM_BASE 0x80000000 /* Cached addr */
+#ifdef CONFIG_64BIT
+# define CONFIG_SYS_SDRAM_BASE 0xffffffff80000000
+#else
+# define CONFIG_SYS_SDRAM_BASE 0x80000000
+#endif
#define CONFIG_SYS_MEM_SIZE (256 * 1024 * 1024)
#define CONFIG_SYS_INIT_SP_OFFSET 0x400000
-#define CONFIG_SYS_LOAD_ADDR 0x81000000
-#define CONFIG_SYS_MEMTEST_START 0x80100000
-#define CONFIG_SYS_MEMTEST_END 0x80800000
+#define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_SDRAM_BASE + 0x01000000)
+#define CONFIG_SYS_MEMTEST_START (CONFIG_SYS_SDRAM_BASE + 0x00100000)
+#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_BASE + 0x00800000)
#define CONFIG_SYS_MALLOC_LEN (128 * 1024)
#define CONFIG_SYS_BOOTPARAMS_LEN (128 * 1024)
@@ -69,7 +73,11 @@
/*
* Flash configuration
*/
-#define CONFIG_SYS_FLASH_BASE 0xbe000000
+#ifdef CONFIG_64BIT
+# define CONFIG_SYS_FLASH_BASE 0xffffffffbe000000
+#else
+# define CONFIG_SYS_FLASH_BASE 0xbe000000
+#endif
#define CONFIG_SYS_MAX_FLASH_BANKS 1
#define CONFIG_SYS_MAX_FLASH_SECT 128
#define CONFIG_SYS_FLASH_CFI
--
2.8.2
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