2 * SPDX-License-Identifier: GPL-2.0+
6 #include <linux/linkage.h>
8 ENTRY(save_boot_params)
9 stmfd sp!, {r0 - r12, lr} /* @ save registers on stack */
10 ldr r12, =CONFIG_SPL_BOOTROM_SAVE
12 b save_boot_params_ret
13 ENDPROC(save_boot_params)
15 ENTRY(return_to_bootrom)
16 ldr r12, =CONFIG_SPL_BOOTROM_SAVE
18 mov r0, #0x0 /* @ return value: 0x0 NO_ERR */
19 ldmfd sp!, {r0 - r12, pc} /* @ restore regs and return */
20 ENDPROC(return_to_bootrom)
23 * cache_inv - invalidate Cache line
27 .type cache_inv, %function
32 mcr p15, 0, r0, c7, c6, 1
39 * flush_l1_v6 - l1 cache clean invalidate
43 .type flush_l1_v6, %function
48 mcr p15, 0, r0, c7, c10, 5 /* @ data memory barrier */
49 mcr p15, 0, r0, c7, c14, 1 /* @ clean & invalidate D line */
50 mcr p15, 0, r0, c7, c10, 4 /* @ data sync barrier */
57 * flush_l1_v7 - l1 cache clean invalidate
61 .type flush_l1_v7, %function
66 dmb /* @data memory barrier */
67 mcr p15, 0, r0, c7, c14, 1 /* @ clean & invalidate D line */
68 dsb /* @data sync barrier */