1 /*
   2  * This file and its contents are supplied under the terms of the
   3  * Common Development and Distribution License ("CDDL"), version 1.0.
   4  * You may only use this file in accordance with the terms of version
   5  * 1.0 of the CDDL.
   6  *
   7  * A full copy of the text of the CDDL should have accompanied this
   8  * source.  A copy of the CDDL is also available via the Internet at
   9  * http://www.illumos.org/license/CDDL.
  10  */
  11 
  12 /*
  13  * Copyright (c) 2013 Joyent, Inc.  All rights reserved.
  14  */
  15 
  16 /*
  17  * bcm2835 boot console implementation
  18  */
  19 
  20 #include "miniuart.h"
  21 
  22 /*
  23  * There are a few different potential boot consoles that we could have on the
  24  * bcm2835. There is both a mini uart and a full functioning uart. Generally,
  25  * people will use the mini uart, but we want to support both. As such we have a
  26  * single global ops vector that we set once during bcons_init and never again.
  27  */
  28 #define BMC2835_CONSNAME_MAX    24
  29 typedef struct bcm2835_consops {
  30         char bco_name[BMC2835_CONSNAME_MAX];
  31         void (*bco_putc)(uint8_t);
  32         uint8_t (*bco_getc)(void);
  33         int (*bco_isc)(void);
  34 } bcm2835_consops_t;
  35 
  36 static bcm2835_consops_t consops;
  37 
  38 /*
  39  * For now, we only support the mini uart.
  40  */
  41 void
  42 bcons_init(char *bstr)
  43 {
  44         bcm2835_miniuart_init();
  45         consops.bco_putc = bcm2835_miniuart_putc;
  46         consops.bco_getc = bcm2835_miniuart_getc;
  47         consops.bco_isc = bcm2835_miniuart_isc;
  48 }
  49 
  50 void
  51 bcons_putchar(int c)
  52 {
  53         consops.bco_putc(c);
  54 }
  55 
  56 void
  57 bcons_puts(const char *str)
  58 {
  59         const char *c = str;
  60         while (*c != '\0')
  61                 consops.bco_putc(*c++);
  62 }
  63 
  64 int
  65 bcons_getchar(void)
  66 {
  67         return (consops.bco_getc());

   1 /*
   2  * This file and its contents are supplied under the terms of the
   3  * Common Development and Distribution License ("CDDL"), version 1.0.
   4  * You may only use this file in accordance with the terms of version
   5  * 1.0 of the CDDL.
   6  *
   7  * A full copy of the text of the CDDL should have accompanied this
   8  * source.  A copy of the CDDL is also available via the Internet at
   9  * http://www.illumos.org/license/CDDL.
  10  */
  11 
  12 /*
  13  * Copyright (c) 2013 Joyent, Inc.  All rights reserved.
  14  */
  15 
  16 /*
  17  * bcm2835 boot console implementation
  18  */
  19 
  20 #include "bcm2835_uart.h"
  21 
  22 /*
  23  * There are a few different potential boot consoles that we could have on the
  24  * bcm2835. There is both a mini uart and a full functioning uart. Generally,
  25  * people will use one of them, but we want to support both. As such we have a
  26  * single global ops vector that we set once during bcons_init and never again.
  27  */
  28 #define BMC2835_CONSNAME_MAX    24
  29 typedef struct bcm2835_consops {
  30         char bco_name[BMC2835_CONSNAME_MAX];
  31         void (*bco_putc)(uint8_t);
  32         uint8_t (*bco_getc)(void);
  33         int (*bco_isc)(void);
  34 } bcm2835_consops_t;
  35 
  36 static bcm2835_consops_t consops;
  37 
  38 /*
  39  * For now, we only support the real uart.
  40  */
  41 void
  42 bcons_init(char *bstr)
  43 {
  44         bcm2835_uart_init();
  45         consops.bco_putc = bcm2835_uart_putc;
  46         consops.bco_getc = bcm2835_uart_getc;
  47         consops.bco_isc = bcm2835_uart_isc;
  48 }
  49 
  50 void
  51 bcons_putchar(int c)
  52 {
  53         consops.bco_putc(c);
  54 }
  55 
  56 void
  57 bcons_puts(const char *str)
  58 {
  59         const char *c = str;
  60         while (*c != '\0')
  61                 consops.bco_putc(*c++);
  62 }
  63 
  64 int
  65 bcons_getchar(void)
  66 {
  67         return (consops.bco_getc());