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authorMike Frysinger <michael.frysinger@analog.com>2007-06-11 15:31:30 +0800
committerBryan Wu <bryan.wu@analog.com>2007-06-11 15:31:30 +0800
commit83a5c3e3218f138b1a99f787c76e380d6a6ecec9 (patch)
treed71fb83fb0406af38d4e3266cb2d54dabb1bb3eb /arch/blackfin/mach-bf537/head.S
parentBlackfin arch: update defconfigs (diff)
downloadlinux-dev-83a5c3e3218f138b1a99f787c76e380d6a6ecec9.tar.xz
linux-dev-83a5c3e3218f138b1a99f787c76e380d6a6ecec9.zip
Blackfin arch: unify differences between our diff head.S files -- no functional changes
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Diffstat (limited to '')
-rw-r--r--arch/blackfin/mach-bf537/head.S22
1 files changed, 12 insertions, 10 deletions
diff --git a/arch/blackfin/mach-bf537/head.S b/arch/blackfin/mach-bf537/head.S
index 2c2652bee7e5..3f490bfb73fa 100644
--- a/arch/blackfin/mach-bf537/head.S
+++ b/arch/blackfin/mach-bf537/head.S
@@ -40,7 +40,7 @@
.extern ___bss_start
.extern _bf53x_relocate_l1_mem
-#define INITIAL_STACK 0xFFB01000
+#define INITIAL_STACK 0xFFB01000
.text
@@ -48,12 +48,14 @@ ENTRY(__start)
ENTRY(__stext)
/* R0: argument of command line string, passed from uboot, save it */
R7 = R0;
- /* Set the SYSCFG register */
+ /* Set the SYSCFG register:
+ * Enable Cycle Counter and Nesting Of Interrupts (3rd Bit)
+ */
R0 = 0x36;
- SYSCFG = R0; /*Enable Cycle Counter and Nesting Of Interrupts(3rd Bit)*/
+ SYSCFG = R0;
R0 = 0;
- /* Clear Out All the data and pointer Registers*/
+ /* Clear Out All the data and pointer Registers */
R1 = R0;
R2 = R0;
R3 = R0;
@@ -75,7 +77,7 @@ ENTRY(__stext)
L2 = r0;
L3 = r0;
- /* Clear Out All the DAG Registers*/
+ /* Clear Out All the DAG Registers */
B0 = r0;
B1 = r0;
B2 = r0;
@@ -191,7 +193,7 @@ ENTRY(__stext)
p0.h = hi(UART_DLL);
p0.l = lo(UART_DLL);
- r0 = 0x00(Z);
+ r0 = 0x0(Z);
w[p0] = r0.L;
ssync;
@@ -218,6 +220,7 @@ ENTRY(__stext)
#if CONFIG_BFIN_KERNEL_CLOCK
call _start_dma_code;
#endif
+
/* Code for initializing Async memory banks */
p2.h = hi(EBIU_AMBCTL1);
@@ -291,7 +294,7 @@ ENTRY(_real_start)
p2.h = ___bss_stop;
r0 = 0;
p2 -= p1;
- lsetup (.L_clear_bss, .L_clear_bss ) lc0 = p2;
+ lsetup (.L_clear_bss, .L_clear_bss) lc0 = p2;
.L_clear_bss:
B[p1++] = r0;
@@ -306,7 +309,7 @@ ENTRY(_real_start)
r0 = r0 >> 1;
p2 = r0;
r0 = 0;
- lsetup (.L_clear_zero, .L_clear_zero ) lc0 = p2;
+ lsetup (.L_clear_zero, .L_clear_zero) lc0 = p2;
.L_clear_zero:
W[p1++] = r0;
@@ -328,9 +331,8 @@ ENTRY(_real_start)
r1 = p3;
[p1] = r1;
-
/*
- * load the current thread pointer and stack
+ * load the current thread pointer and stack
*/
r1.l = _init_thread_union;
r1.h = _init_thread_union;