arm/mach-omap2/sram242x.S

1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3  * linux/arch/arm/mach-omap2/sram242x.S
9  * Richard Woodruff <r-woodruff2@ti.com>
31 	stmfd	sp!, {r0 - r12, lr}	@ save registers on stack
39 	str	r3, [r2]		@ go to L1-freq operation
50 	mvn	r9, #0x4		@ mask to get clear bit2
62 	mov r9, #0x0			@ shift back to L0-voltage
67 	str	r3, [r2]		@ go to L0-freq operation
82 	ldmfd	sp!, {r0 - r12, pc}	@ restore regs and return
94 	 * wait for it to finish, use 32k sync counter, 1tick=31uS.
99 	ldr	r6, prcm_mask_val	@ get value of mask
100 	and	r5, r5, r6		@ apply mask to clear bits
101 	orr	r5, r5, r9		@ bulld value for L0/L1-volt operation.
113 	bhi	volt_delay		@ not yet->branch
127 	.word	. - omap242x_sram_ddr_init
136 	stmfd	sp!, {r0 - r10, lr}	@ save registers on stack
185 	ldmfd	sp!, {r0 - r10, pc}	@ restore regs and return
189      *	wait for it to finish, use 32k sync counter, 1tick=31uS.
194 	ldr	r7, ddr_prcm_mask_val	@ get value of mask
195 	and	r8, r8, r7		@ apply mask to clear bits
196 	orr	r8, r8, r9		@ bulld value for L0/L1-volt operation.
208 	bhi	volt_delay_c		@ not yet->branch
225 	.word	. - omap242x_sram_reprogram_sdrc
232 	stmfd	sp!, {r0-r12, lr}	@ regs to stack
240 	mvn	r6, #0x3		@ clear mask
248 	and	r8, r8, #0x3		@ mask for stat
284 	/* update memory timings & briefly lock dll */
286 	str	r1, [r4]		@ update refresh timing
289 	mvn	r9, #0x4		@ mask to get clear bit2
301 	ldmfd	sp!, {r0-r12, pc}	@ restore regs and return
317 	.word	. - omap242x_sram_set_prcm