diff options
author | David S. Miller <davem@davemloft.net> | 2011-01-24 14:09:35 -0800 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2011-01-24 14:09:35 -0800 |
commit | 5bdc22a56549e7983c6b443298672641952ea035 (patch) | |
tree | fbfd4e7453e4fd23dfef826d4610ed2aae47b36c /drivers/tty/hvc/hvc_tile.c | |
parent | b6f4098897f30b7ea90a1c1edf35e9b20a9d828a (diff) | |
parent | e92427b289d252cfbd4cb5282d92f4ce1a5bb1fb (diff) | |
download | op-kernel-dev-5bdc22a56549e7983c6b443298672641952ea035.zip op-kernel-dev-5bdc22a56549e7983c6b443298672641952ea035.tar.gz |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
net/sched/sch_hfsc.c
net/sched/sch_htb.c
net/sched/sch_tbf.c
Diffstat (limited to 'drivers/tty/hvc/hvc_tile.c')
-rw-r--r-- | drivers/tty/hvc/hvc_tile.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/drivers/tty/hvc/hvc_tile.c b/drivers/tty/hvc/hvc_tile.c new file mode 100644 index 0000000..7a84a05 --- /dev/null +++ b/drivers/tty/hvc/hvc_tile.c @@ -0,0 +1,68 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + * + * Tilera TILE Processor hypervisor console + */ + +#include <linux/console.h> +#include <linux/delay.h> +#include <linux/err.h> +#include <linux/init.h> +#include <linux/moduleparam.h> +#include <linux/types.h> + +#include <hv/hypervisor.h> + +#include "hvc_console.h" + +static int hvc_tile_put_chars(uint32_t vt, const char *buf, int count) +{ + return hv_console_write((HV_VirtAddr)buf, count); +} + +static int hvc_tile_get_chars(uint32_t vt, char *buf, int count) +{ + int i, c; + + for (i = 0; i < count; ++i) { + c = hv_console_read_if_ready(); + if (c < 0) + break; + buf[i] = c; + } + + return i; +} + +static const struct hv_ops hvc_tile_get_put_ops = { + .get_chars = hvc_tile_get_chars, + .put_chars = hvc_tile_put_chars, +}; + +static int __init hvc_tile_console_init(void) +{ + extern void disable_early_printk(void); + hvc_instantiate(0, 0, &hvc_tile_get_put_ops); + add_preferred_console("hvc", 0, NULL); + disable_early_printk(); + return 0; +} +console_initcall(hvc_tile_console_init); + +static int __init hvc_tile_init(void) +{ + struct hvc_struct *s; + s = hvc_alloc(0, 0, &hvc_tile_get_put_ops, 128); + return IS_ERR(s) ? PTR_ERR(s) : 0; +} +device_initcall(hvc_tile_init); |