Blackfin arch: rewrite our reboot code in C

rewrite our reboot code in C rather than assembly to be like
other architectures and to allow board maintainers to define
custom behavior

Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

1 files changed, 0 insertions, 79 deletions

diff --git a/arch/blackfin/mach-bf537/head.S b/arch/blackfin/mach-bf537/head.S
index 0836bfd..2c4ae46 100644
--- a/arch/blackfin/mach-bf537/head.S
+++ b/arch/blackfin/mach-bf537/head.S
@@ -478,85 +478,6 @@ ENTRY(_start_dma_code)
 ENDPROC(_start_dma_code)
 #endif /* CONFIG_BFIN_KERNEL_CLOCK */
 
-ENTRY(_bfin_reset)
-	/* No more interrupts to be handled*/
-	CLI R6;
-	SSYNC;
-
-#if defined(CONFIG_MTD_M25P80)
-	/*
-	 * The following code fix the SPI flash reboot issue,
-	 * /CS signal of the chip which is using PF10 return to GPIO mode
-	 */
-	p0.h = hi(PORTF_FER);
-	p0.l = lo(PORTF_FER);
-	r0.l = 0x0000;
-	w[p0] = r0.l;
-	SSYNC;
-
-	/* /CS return to high */
-	p0.h = hi(PORTFIO);
-	p0.l = lo(PORTFIO);
-	r0.l = 0xFFFF;
-	w[p0] = r0.l;
-	SSYNC;
-
-	/* Delay some time, This is necessary */
-	r1.h = 0;
-	r1.l = 0x400;
-	p1   = r1;
-	lsetup (.L_delay_lab1, .L_delay_lab1_end) lc1 = p1;
-.L_delay_lab1:
-	r0.h = 0;
-	r0.l = 0x8000;
-	p0   = r0;
-	lsetup (.L_delay_lab0, .L_delay_lab0_end) lc0 = p0;
-.L_delay_lab0:
-	nop;
-.L_delay_lab0_end:
-	nop;
-.L_delay_lab1_end:
-	nop;
-#endif
-
-	/* Clear the IMASK register */
-	p0.h = hi(IMASK);
-	p0.l = lo(IMASK);
-	r0 = 0x0;
-	[p0] = r0;
-
-	/* Clear the ILAT register */
-	p0.h = hi(ILAT);
-	p0.l = lo(ILAT);
-	r0 = [p0];
-	[p0] = r0;
-	SSYNC;
-
-	/* make sure SYSCR is set to use BMODE */
-	P0.h = hi(SYSCR);
-	P0.l = lo(SYSCR);
-	R0.l = 0x0;
-	W[P0] = R0.l;
-	SSYNC;
-
-	/* issue a system soft reset */
-	P1.h = hi(SWRST);
-	P1.l = lo(SWRST);
-	R1.l = 0x0007;
-	W[P1] = R1;
-	SSYNC;
-
-	/* clear system soft reset */
-	R0.l = 0x0000;
-	W[P0] = R0;
-	SSYNC;
-
-	/* issue core reset */
-	raise 1;
-
-	RTS;
-ENDPROC(_bfin_reset)
-
 .data
 
 /*