From 54544c9982200836ad6e9d066ca89ccdc80ad484 Mon Sep 17 00:00:00 2001 From: Bryan O'Donoghue Date: Thu, 24 May 2018 19:32:52 +0100 Subject: [PATCH] warp7: Add initial warp7_helpers.S This commit adds a warp7_helpers.S which contains a implementation of: - platform_mem_init - plat_get_my_entrypoint - plat_crash_console_init - plat_crash_console_putc Signed-off-by: Bryan O'Donoghue --- plat/imx/imx7/warp7/aarch32/warp7_helpers.S | 44 +++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 plat/imx/imx7/warp7/aarch32/warp7_helpers.S diff --git a/plat/imx/imx7/warp7/aarch32/warp7_helpers.S b/plat/imx/imx7/warp7/aarch32/warp7_helpers.S new file mode 100644 index 000000000..b12ff325f --- /dev/null +++ b/plat/imx/imx7/warp7/aarch32/warp7_helpers.S @@ -0,0 +1,44 @@ +/* + * Copyright (c) Linaro 2018 Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include +#include +#include +#include + + .globl platform_mem_init + .globl plat_get_my_entrypoint + .globl plat_crash_console_init + .globl plat_crash_console_putc + + /* --------------------------------------------- + * int plat_mem_init(void) + * Function to initialize memory. + * The HAB hands off the DDR controller already + * setup and ready to use. + * Implement the mandatory function as a NOP + * --------------------------------------------- + */ +func platform_mem_init + bx lr +endfunc platform_mem_init + +func plat_get_my_entrypoint + mov r0, #0 + bx lr +endfunc plat_get_my_entrypoint + +func plat_crash_console_init + mov_imm r0, PLAT_WARP7_BOOT_UART_BASE + mov_imm r1, PLAT_WARP7_BOOT_UART_CLK_IN_HZ + mov_imm r2, PLAT_WARP7_CONSOLE_BAUDRATE + b imx_crash_uart_init +endfunc plat_crash_console_init + +func plat_crash_console_putc + mov_imm r1, PLAT_WARP7_BOOT_UART_BASE + b imx_crash_uart_putc +endfunc plat_crash_console_putc -- GitLab