redonkable/alistair23-linux
redonkable/alistair23-linux
1
0
Fork 0
Code Releases Activity

Blackfin arch: unify differences between our diff head.S files -- no functional changes

Browse source 
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
This commit is contained in:
Mike Frysinger 2007-06-11 15:31:30 +08:00 committed by Bryan Wu
parent 16983de0ce
commit 83a5c3e321
3 changed files with 32 additions and 27 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

17
arch/blackfin/mach-bf533/head.S
View file

@ -51,13 +51,14 @@ 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;
/*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;
@ -79,7 +80,7 @@ ENTRY(__stext)
L2 = r0;
L3 = r0;
/* Clear Out All the DAG Registers*/
/* Clear Out All the DAG Registers */
B0 = r0;
B1 = r0;
B2 = r0;
@ -303,7 +304,7 @@ ENTRY(_real_start)
.L_clear_zero:
W[p1++] = r0;
/* pass the uboot arguments to the global value command line */
/* pass the uboot arguments to the global value command line */
R0 = R7;
call _cmdline_init;
@ -322,7 +323,7 @@ ENTRY(_real_start)
[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;
@ -439,8 +440,8 @@ ENTRY(_start_dma_code)
p0.h = hi(SIC_IWR);
p0.l = lo(SIC_IWR);
r0.l = lo(IWR_ENABLE_ALL)
r0.h = hi(IWR_ENABLE_ALL)
r0.l = lo(IWR_ENABLE_ALL);
r0.h = hi(IWR_ENABLE_ALL);
[p0] = r0;
SSYNC;

22
arch/blackfin/mach-bf537/head.S
View file

@ -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;

20
arch/blackfin/mach-bf561/head.S
View file

@ -46,14 +46,16 @@
ENTRY(__start)
ENTRY(__stext)
/* R0: argument of command line string, passed from uboot, save it */
/* 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;
@ -238,7 +240,7 @@ 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;
@ -253,11 +255,11 @@ 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;
/* pass the uboot arguments to the global value command line */
/* pass the uboot arguments to the global value command line */
R0 = R7;
call _cmdline_init;
@ -350,7 +352,7 @@ ENTRY(_start_dma_code)
if ! CC jump .Lcheck_again;
/* Configure SCLK & CCLK Dividers */
r0 = (CONFIG_CCLK_ACT_DIV | CONFIG_SCLK_DIV);
r0 = (CONFIG_CCLK_ACT_DIV | CONFIG_SCLK_DIV);
p0.h = hi(PLL_DIV);
p0.l = lo(PLL_DIV);
w[p0] = r0.l;