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Diffstat (limited to 'arch/arm/include/debug/vexpress.S')
-rw-r--r--arch/arm/include/debug/vexpress.S53
1 files changed, 10 insertions, 43 deletions
diff --git a/arch/arm/include/debug/vexpress.S b/arch/arm/include/debug/vexpress.S
index 9f509f55d07..524acd5a223 100644
--- a/arch/arm/include/debug/vexpress.S
+++ b/arch/arm/include/debug/vexpress.S
@@ -16,19 +16,24 @@
#define DEBUG_LL_PHYS_BASE_RS1 0x1c000000
#define DEBUG_LL_UART_OFFSET_RS1 0x00090000
+#define DEBUG_LL_UART_PHYS_CRX 0xb0090000
+
#define DEBUG_LL_VIRT_BASE 0xf8000000
#if defined(CONFIG_DEBUG_VEXPRESS_UART0_DETECT)
.macro addruart,rp,rv,tmp
+ .arch armv7-a
@ Make an educated guess regarding the memory map:
- @ - the original A9 core tile, which has MPCore peripherals
- @ located at 0x1e000000, should use UART at 0x10009000
+ @ - the original A9 core tile (based on ARM Cortex-A9 r0p1)
+ @ should use UART at 0x10009000
@ - all other (RS1 complaint) tiles use UART mapped
@ at 0x1c090000
- mrc p15, 4, \tmp, c15, c0, 0
- cmp \tmp, #0x1e000000
+ mrc p15, 0, \rp, c0, c0, 0
+ movw \rv, #0xc091
+ movt \rv, #0x410f
+ cmp \rp, \rv
@ Original memory map
moveq \rp, #DEBUG_LL_UART_OFFSET
@@ -42,43 +47,5 @@
.endm
-#include <asm/hardware/debug-pl01x.S>
-
-#elif defined(CONFIG_DEBUG_VEXPRESS_UART0_CA9)
-
- .macro addruart,rp,rv,tmp
- mov \rp, #DEBUG_LL_UART_OFFSET
- orr \rv, \rp, #DEBUG_LL_VIRT_BASE
- orr \rp, \rp, #DEBUG_LL_PHYS_BASE
- .endm
-
-#include <asm/hardware/debug-pl01x.S>
-
-#elif defined(CONFIG_DEBUG_VEXPRESS_UART0_RS1)
-
- .macro addruart,rp,rv,tmp
- mov \rp, #DEBUG_LL_UART_OFFSET_RS1
- orr \rv, \rp, #DEBUG_LL_VIRT_BASE
- orr \rp, \rp, #DEBUG_LL_PHYS_BASE_RS1
- .endm
-
-#include <asm/hardware/debug-pl01x.S>
-
-#else /* CONFIG_DEBUG_LL_UART_NONE */
-
- .macro addruart, rp, rv, tmp
- /* Safe dummy values */
- mov \rp, #0
- mov \rv, #DEBUG_LL_VIRT_BASE
- .endm
-
- .macro senduart,rd,rx
- .endm
-
- .macro waituart,rd,rx
- .endm
-
- .macro busyuart,rd,rx
- .endm
-
+#include <debug/pl01x.S>
#endif