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authorTony Lindgren <tony@atomide.com>2011-02-04 21:03:24 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-02-18 00:27:31 +0100
commit5b7de4547b388d3949620e21d072e35b6f2638fa (patch)
treeb08ff8f1c45b1c6bad6405dc06e6f028fcf1eeea /arch
parentARM: P2V: eliminate head.S use of PHYS_OFFSET for !XIP_KERNEL (diff)
downloadlinux-5b7de4547b388d3949620e21d072e35b6f2638fa.tar.xz
linux-5b7de4547b388d3949620e21d072e35b6f2638fa.zip
ARM: 6651/1: omap: Fix DEBUG_LL code for p2v changes
These are needed for CONFIG_ARM_PATCH_PHYS_VIRT to work. Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-omap1/include/mach/debug-macro.S9
-rw-r--r--arch/arm/mach-omap2/include/mach/debug-macro.S13
2 files changed, 14 insertions, 8 deletions
diff --git a/arch/arm/mach-omap1/include/mach/debug-macro.S b/arch/arm/mach-omap1/include/mach/debug-macro.S
index 6a0fa0462365..62856044eb63 100644
--- a/arch/arm/mach-omap1/include/mach/debug-macro.S
+++ b/arch/arm/mach-omap1/include/mach/debug-macro.S
@@ -17,6 +17,9 @@
#include <plat/serial.h>
+#define omap_uart_v2p(x) ((x) - PAGE_OFFSET + PLAT_PHYS_OFFSET)
+#define omap_uart_p2v(x) ((x) - PLAT_PHYS_OFFSET + PAGE_OFFSET)
+
.pushsection .data
omap_uart_phys: .word 0x0
omap_uart_virt: .word 0x0
@@ -33,7 +36,7 @@ omap_uart_virt: .word 0x0
/* Use omap_uart_phys/virt if already configured */
9: mrc p15, 0, \rp, c1, c0
tst \rp, #1 @ MMU enabled?
- ldreq \rp, =__virt_to_phys(omap_uart_phys) @ MMU not enabled
+ ldreq \rp, =omap_uart_v2p(omap_uart_phys) @ MMU disabled
ldrne \rp, =omap_uart_phys @ MMU enabled
add \rv, \rp, #4 @ omap_uart_virt
ldr \rp, [\rp, #0]
@@ -46,7 +49,7 @@ omap_uart_virt: .word 0x0
mrc p15, 0, \rp, c1, c0
tst \rp, #1 @ MMU enabled?
ldreq \rp, =OMAP_UART_INFO @ MMU not enabled
- ldrne \rp, =__phys_to_virt(OMAP_UART_INFO) @ MMU enabled
+ ldrne \rp, =omap_uart_p2v(OMAP_UART_INFO) @ MMU enabled
ldr \rp, [\rp, #0]
/* Select the UART to use based on the UART1 scratchpad value */
@@ -73,7 +76,7 @@ omap_uart_virt: .word 0x0
98: add \rp, \rp, #0xff000000 @ phys base
mrc p15, 0, \rv, c1, c0
tst \rv, #1 @ MMU enabled?
- ldreq \rv, =__virt_to_phys(omap_uart_phys) @ MMU not enabled
+ ldreq \rv, =omap_uart_v2p(omap_uart_phys) @ MMU disabled
ldrne \rv, =omap_uart_phys @ MMU enabled
str \rp, [\rv, #0]
sub \rp, \rp, #0xff000000 @ phys base
diff --git a/arch/arm/mach-omap2/include/mach/debug-macro.S b/arch/arm/mach-omap2/include/mach/debug-macro.S
index 6a4d4136002e..6049f465ec84 100644
--- a/arch/arm/mach-omap2/include/mach/debug-macro.S
+++ b/arch/arm/mach-omap2/include/mach/debug-macro.S
@@ -19,6 +19,9 @@
#define UART_OFFSET(addr) ((addr) & 0x00ffffff)
+#define omap_uart_v2p(x) ((x) - PAGE_OFFSET + PLAT_PHYS_OFFSET)
+#define omap_uart_p2v(x) ((x) - PLAT_PHYS_OFFSET + PAGE_OFFSET)
+
.pushsection .data
omap_uart_phys: .word 0
omap_uart_virt: .word 0
@@ -36,7 +39,7 @@ omap_uart_lsr: .word 0
/* Use omap_uart_phys/virt if already configured */
10: mrc p15, 0, \rp, c1, c0
tst \rp, #1 @ MMU enabled?
- ldreq \rp, =__virt_to_phys(omap_uart_phys) @ MMU not enabled
+ ldreq \rp, =omap_uart_v2p(omap_uart_phys) @ MMU disabled
ldrne \rp, =omap_uart_phys @ MMU enabled
add \rv, \rp, #4 @ omap_uart_virt
ldr \rp, [\rp, #0]
@@ -49,7 +52,7 @@ omap_uart_lsr: .word 0
mrc p15, 0, \rp, c1, c0
tst \rp, #1 @ MMU enabled?
ldreq \rp, =OMAP_UART_INFO @ MMU not enabled
- ldrne \rp, =__phys_to_virt(OMAP_UART_INFO) @ MMU enabled
+ ldrne \rp, =omap_uart_p2v(OMAP_UART_INFO) @ MMU enabled
ldr \rp, [\rp, #0]
/* Select the UART to use based on the UART1 scratchpad value */
@@ -94,7 +97,7 @@ omap_uart_lsr: .word 0
95: ldr \rp, =ZOOM_UART_BASE
mrc p15, 0, \rv, c1, c0
tst \rv, #1 @ MMU enabled?
- ldreq \rv, =__virt_to_phys(omap_uart_phys) @ MMU not enabled
+ ldreq \rv, =omap_uart_v2p(omap_uart_phys) @ MMU disabled
ldrne \rv, =omap_uart_phys @ MMU enabled
str \rp, [\rv, #0]
ldr \rp, =ZOOM_UART_VIRT
@@ -109,7 +112,7 @@ omap_uart_lsr: .word 0
98: add \rp, \rp, #0x48000000 @ phys base
mrc p15, 0, \rv, c1, c0
tst \rv, #1 @ MMU enabled?
- ldreq \rv, =__virt_to_phys(omap_uart_phys) @ MMU not enabled
+ ldreq \rv, =omap_uart_v2p(omap_uart_phys) @ MMU disabled
ldrne \rv, =omap_uart_phys @ MMU enabled
str \rp, [\rv, #0]
sub \rp, \rp, #0x48000000 @ phys base
@@ -131,7 +134,7 @@ omap_uart_lsr: .word 0
.macro busyuart,rd,rx
1001: mrc p15, 0, \rd, c1, c0
tst \rd, #1 @ MMU enabled?
- ldreq \rd, =__virt_to_phys(omap_uart_lsr) @ MMU not enabled
+ ldreq \rd, =omap_uart_v2p(omap_uart_lsr) @ MMU disabled
ldrne \rd, =omap_uart_lsr @ MMU enabled
ldr \rd, [\rd, #0]
ldrb \rd, [\rx, \rd]