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Blackfin arch: move async memory programming into common setup_arch()…
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… as the banks dont really need to be setup fully as early as head.S

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Mike Frysinger authored and Bryan Wu committed Aug 6, 2008
1 parent 1375204 commit 7e64aca
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Showing 6 changed files with 10 additions and 130 deletions.
10 changes: 10 additions & 0 deletions arch/blackfin/kernel/setup.c
Original file line number Diff line number Diff line change
Expand Up @@ -738,6 +738,16 @@ void __init setup_arch(char **cmdline_p)

memory_setup();

/* Initialize Async memory banks */
bfin_write_EBIU_AMBCTL0(AMBCTL0VAL);
bfin_write_EBIU_AMBCTL1(AMBCTL1VAL);
bfin_write_EBIU_AMGCTL(AMGCTLVAL);
#ifdef CONFIG_EBIU_MBSCTLVAL
bfin_write_EBIU_MBSCTL(CONFIG_EBIU_MBSCTLVAL);
bfin_write_EBIU_MODE(CONFIG_EBIU_MODEVAL);
bfin_write_EBIU_FCTL(CONFIG_EBIU_FCTLVAL);
#endif

cclk = get_cclk();
sclk = get_sclk();

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22 changes: 0 additions & 22 deletions arch/blackfin/mach-bf527/head.S
Original file line number Diff line number Diff line change
Expand Up @@ -170,28 +170,6 @@ ENTRY(__start)
call _start_dma_code;
#endif

/* Code for initializing Async memory banks */

p2.h = hi(EBIU_AMBCTL1);
p2.l = lo(EBIU_AMBCTL1);
r0.h = hi(AMBCTL1VAL);
r0.l = lo(AMBCTL1VAL);
[p2] = r0;
ssync;

p2.h = hi(EBIU_AMBCTL0);
p2.l = lo(EBIU_AMBCTL0);
r0.h = hi(AMBCTL0VAL);
r0.l = lo(AMBCTL0VAL);
[p2] = r0;
ssync;

p2.h = hi(EBIU_AMGCTL);
p2.l = lo(EBIU_AMGCTL);
r0 = AMGCTLVAL;
w[p2] = r0;
ssync;

/* This section keeps the processor in supervisor mode
* during kernel boot. Switches to user mode at end of boot.
* See page 3-9 of Hardware Reference manual for documentation.
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22 changes: 0 additions & 22 deletions arch/blackfin/mach-bf533/head.S
Original file line number Diff line number Diff line change
Expand Up @@ -172,28 +172,6 @@ ENTRY(__start)
call _start_dma_code;
#endif

/* Code for initializing Async memory banks */

p2.h = hi(EBIU_AMBCTL1);
p2.l = lo(EBIU_AMBCTL1);
r0.h = hi(AMBCTL1VAL);
r0.l = lo(AMBCTL1VAL);
[p2] = r0;
ssync;

p2.h = hi(EBIU_AMBCTL0);
p2.l = lo(EBIU_AMBCTL0);
r0.h = hi(AMBCTL0VAL);
r0.l = lo(AMBCTL0VAL);
[p2] = r0;
ssync;

p2.h = hi(EBIU_AMGCTL);
p2.l = lo(EBIU_AMGCTL);
r0 = AMGCTLVAL;
w[p2] = r0;
ssync;

/* This section keeps the processor in supervisor mode
* during kernel boot. Switches to user mode at end of boot.
* See page 3-9 of Hardware Reference manual for documentation.
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22 changes: 0 additions & 22 deletions arch/blackfin/mach-bf537/head.S
Original file line number Diff line number Diff line change
Expand Up @@ -184,28 +184,6 @@ ENTRY(__start)
call _start_dma_code;
#endif

/* Code for initializing Async memory banks */

p2.h = hi(EBIU_AMBCTL1);
p2.l = lo(EBIU_AMBCTL1);
r0.h = hi(AMBCTL1VAL);
r0.l = lo(AMBCTL1VAL);
[p2] = r0;
ssync;

p2.h = hi(EBIU_AMBCTL0);
p2.l = lo(EBIU_AMBCTL0);
r0.h = hi(AMBCTL0VAL);
r0.l = lo(AMBCTL0VAL);
[p2] = r0;
ssync;

p2.h = hi(EBIU_AMGCTL);
p2.l = lo(EBIU_AMGCTL);
r0 = AMGCTLVAL;
w[p2] = r0;
ssync;

/* This section keeps the processor in supervisor mode
* during kernel boot. Switches to user mode at end of boot.
* See page 3-9 of Hardware Reference manual for documentation.
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42 changes: 0 additions & 42 deletions arch/blackfin/mach-bf548/head.S
Original file line number Diff line number Diff line change
Expand Up @@ -133,48 +133,6 @@ ENTRY(__start)
#ifdef CONFIG_BFIN_KERNEL_CLOCK
call _start_dma_code;
#endif
/* Code for initializing Async memory banks */

p2.h = hi(EBIU_AMBCTL1);
p2.l = lo(EBIU_AMBCTL1);
r0.h = hi(AMBCTL1VAL);
r0.l = lo(AMBCTL1VAL);
[p2] = r0;
ssync;

p2.h = hi(EBIU_AMBCTL0);
p2.l = lo(EBIU_AMBCTL0);
r0.h = hi(AMBCTL0VAL);
r0.l = lo(AMBCTL0VAL);
[p2] = r0;
ssync;

p2.h = hi(EBIU_AMGCTL);
p2.l = lo(EBIU_AMGCTL);
r0 = AMGCTLVAL;
w[p2] = r0;
ssync;

p2.h = hi(EBIU_MBSCTL);
p2.l = lo(EBIU_MBSCTL);
r0.h = hi(CONFIG_EBIU_MBSCTLVAL);
r0.l = lo(CONFIG_EBIU_MBSCTLVAL);
[p2] = r0;
ssync;

p2.h = hi(EBIU_MODE);
p2.l = lo(EBIU_MODE);
r0.h = hi(CONFIG_EBIU_MODEVAL);
r0.l = lo(CONFIG_EBIU_MODEVAL);
[p2] = r0;
ssync;

p2.h = hi(EBIU_FCTL);
p2.l = lo(EBIU_FCTL);
r0.h = hi(CONFIG_EBIU_FCTLVAL);
r0.l = lo(CONFIG_EBIU_FCTLVAL);
[p2] = r0;
ssync;

/* This section keeps the processor in supervisor mode
* during kernel boot. Switches to user mode at end of boot.
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22 changes: 0 additions & 22 deletions arch/blackfin/mach-bf561/head.S
Original file line number Diff line number Diff line change
Expand Up @@ -161,28 +161,6 @@ ENTRY(__start)
call _start_dma_code;
#endif

/* Code for initializing Async memory banks */

p2.h = hi(EBIU_AMBCTL1);
p2.l = lo(EBIU_AMBCTL1);
r0.h = hi(AMBCTL1VAL);
r0.l = lo(AMBCTL1VAL);
[p2] = r0;
ssync;

p2.h = hi(EBIU_AMBCTL0);
p2.l = lo(EBIU_AMBCTL0);
r0.h = hi(AMBCTL0VAL);
r0.l = lo(AMBCTL0VAL);
[p2] = r0;
ssync;

p2.h = hi(EBIU_AMGCTL);
p2.l = lo(EBIU_AMGCTL);
r0 = AMGCTLVAL;
w[p2] = r0;
ssync;

/* This section keeps the processor in supervisor mode
* during kernel boot. Switches to user mode at end of boot.
* See page 3-9 of Hardware Reference manual for documentation.
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