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| /*
| * SPDX-License-Identifier: GPL-2.0+
| */
|
| #include <config.h>
| #include <linux/linkage.h>
|
| ENTRY(save_boot_params)
| stmfd sp!, {r0 - r12, lr} /* @ save registers on stack */
| ldr r12, =CONFIG_SPL_BOOTROM_SAVE
| str sp, [r12]
| b save_boot_params_ret
| ENDPROC(save_boot_params)
|
| ENTRY(return_to_bootrom)
| ldr r12, =CONFIG_SPL_BOOTROM_SAVE
| ldr sp, [r12]
| mov r0, #0x0 /* @ return value: 0x0 NO_ERR */
| ldmfd sp!, {r0 - r12, pc} /* @ restore regs and return */
| ENDPROC(return_to_bootrom)
|
| /*
| * cache_inv - invalidate Cache line
| * r0 - dest
| */
| .global cache_inv
| .type cache_inv, %function
| cache_inv:
|
| stmfd sp!, {r1-r12}
|
| mcr p15, 0, r0, c7, c6, 1
|
| ldmfd sp!, {r1-r12}
| bx lr
|
|
| /*
| * flush_l1_v6 - l1 cache clean invalidate
| * r0 - dest
| */
| .global flush_l1_v6
| .type flush_l1_v6, %function
| flush_l1_v6:
|
| stmfd sp!, {r1-r12}
|
| mcr p15, 0, r0, c7, c10, 5 /* @ data memory barrier */
| mcr p15, 0, r0, c7, c14, 1 /* @ clean & invalidate D line */
| mcr p15, 0, r0, c7, c10, 4 /* @ data sync barrier */
|
| ldmfd sp!, {r1-r12}
| bx lr
|
|
| /*
| * flush_l1_v7 - l1 cache clean invalidate
| * r0 - dest
| */
| .global flush_l1_v7
| .type flush_l1_v7, %function
| flush_l1_v7:
|
| stmfd sp!, {r1-r12}
|
| dmb /* @data memory barrier */
| mcr p15, 0, r0, c7, c14, 1 /* @ clean & invalidate D line */
| dsb /* @data sync barrier */
|
| ldmfd sp!, {r1-r12}
| bx lr
|
|
