123 lines
3.2 KiB
C
123 lines
3.2 KiB
C
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/*-
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* Copyright (c) 2012 Juli Mallett <jmallett@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/conf.h>
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#include <sys/cons.h>
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#include <sys/kernel.h>
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#include <sys/reboot.h>
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#include <contrib/octeon-sdk/cvmx.h>
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#include <contrib/octeon-sdk/cvmx-bootmem.h>
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#include <contrib/octeon-sdk/octeon-pci-console.h>
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static cn_probe_t opcic_cnprobe;
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static cn_init_t opcic_cninit;
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static cn_term_t opcic_cnterm;
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static cn_getc_t opcic_cngetc;
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static cn_putc_t opcic_cnputc;
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static cn_grab_t opcic_cngrab;
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static cn_ungrab_t opcic_cnungrab;
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CONSOLE_DRIVER(opcic);
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static void
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opcic_cnprobe(struct consdev *cp)
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{
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const struct cvmx_bootmem_named_block_desc *pci_console_block;
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cp->cn_pri = CN_DEAD;
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pci_console_block = cvmx_bootmem_find_named_block(OCTEON_PCI_CONSOLE_BLOCK_NAME);
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if (pci_console_block == NULL)
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return;
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cp->cn_arg = (void *)(uintptr_t)pci_console_block->base_addr;
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snprintf(cp->cn_name, sizeof cp->cn_name, "opcic@%p", cp->cn_arg);
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cp->cn_pri = (boothowto & RB_SERIAL) ? CN_REMOTE : CN_NORMAL;
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}
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static void
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opcic_cninit(struct consdev *cp)
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{
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(void)cp;
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}
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static void
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opcic_cnterm(struct consdev *cp)
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{
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(void)cp;
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}
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static int
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opcic_cngetc(struct consdev *cp)
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{
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uint64_t console_desc_addr;
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char ch;
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int rv;
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console_desc_addr = (uintptr_t)cp->cn_arg;
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rv = octeon_pci_console_read(console_desc_addr, 0, &ch, 1, OCT_PCI_CON_FLAG_NONBLOCK);
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if (rv != 1)
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return (-1);
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return (ch);
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}
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static void
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opcic_cnputc(struct consdev *cp, int c)
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{
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uint64_t console_desc_addr;
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char ch;
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int rv;
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console_desc_addr = (uintptr_t)cp->cn_arg;
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ch = c;
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rv = octeon_pci_console_write(console_desc_addr, 0, &ch, 1, 0);
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if (rv == -1)
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panic("%s: octeon_pci_console_write failed.", __func__);
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}
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static void
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opcic_cngrab(struct consdev *cp)
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{
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(void)cp;
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}
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static void
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opcic_cnungrab(struct consdev *cp)
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{
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(void)cp;
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}
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