xref: /arm-trusted-firmware/drivers/nxp/console/console_pl011.c (revision 91f16700b400a8c0651d24a598fc48ee2997a0d7)
1*91f16700Schasinglulu /*
2*91f16700Schasinglulu  * Copyright 2021 NXP
3*91f16700Schasinglulu  *
4*91f16700Schasinglulu  * SPDX-License-Identifier: BSD-3-Clause
5*91f16700Schasinglulu  *
6*91f16700Schasinglulu  */
7*91f16700Schasinglulu 
8*91f16700Schasinglulu #include <assert.h>
9*91f16700Schasinglulu 
10*91f16700Schasinglulu #include <common/debug.h>
11*91f16700Schasinglulu #include <dcfg.h>
12*91f16700Schasinglulu #include <drivers/arm/pl011.h>
13*91f16700Schasinglulu #include <drivers/console.h>
14*91f16700Schasinglulu #include <lib/utils.h>
15*91f16700Schasinglulu 
16*91f16700Schasinglulu /*
17*91f16700Schasinglulu  * Perform Arm specific early platform setup. At this moment we only initialize
18*91f16700Schasinglulu  * the console and the memory layout.
19*91f16700Schasinglulu  */
20*91f16700Schasinglulu void plat_console_init(uintptr_t nxp_console_addr, uint32_t uart_clk_div,
21*91f16700Schasinglulu 			uint32_t baud)
22*91f16700Schasinglulu {
23*91f16700Schasinglulu 	struct sysinfo sys;
24*91f16700Schasinglulu 	static console_t nxp_console;
25*91f16700Schasinglulu 
26*91f16700Schasinglulu 	zeromem(&sys, sizeof(sys));
27*91f16700Schasinglulu 	if (get_clocks(&sys)) {
28*91f16700Schasinglulu 		ERROR("System clocks are not set\n");
29*91f16700Schasinglulu 		panic();
30*91f16700Schasinglulu 	}
31*91f16700Schasinglulu 
32*91f16700Schasinglulu 	console_pl011_register(nxp_console_addr,
33*91f16700Schasinglulu 			      (sys.freq_platform/uart_clk_div),
34*91f16700Schasinglulu 			       baud, &nxp_console);
35*91f16700Schasinglulu }
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