openwrt/upstream - upstream openwrt

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Diffstat (limited to 'package/libs/libnl-tiny/src/include/netlink/cache-api.h')

0 files changed, 0 insertions, 0 deletions

/* * C-Brick Serial Port (and console) driver for SGI Altix machines. * * Copyright (c) 2005 Silicon Graphics, Inc. All Rights Reserved. */ #include <xen/lib.h> #include <asm/acpi.h> #include <asm/sn/sn_sal.h> #include <xen/serial.h> #include <xen/sched.h> struct sn_console_data { struct timer timer; unsigned int timeout_ms; int booted; }; static struct sn_console_data console_data = { .timeout_ms = 8 * 16 * 1000 / 9600, }; /* * sn_putc - Send a character to the console, polled or interrupt mode */ static void sn_putc(struct serial_port *port, char c) { struct sn_console_data *sndata = port->uart; if (sndata->booted) ia64_sn_console_putb(&c, 1); else ia64_sn_console_putc(c); } /* * sn_getc - Get a character from the console, polled or interrupt mode */ static int sn_getc(struct serial_port *port, char *pc) { int ch; ia64_sn_console_getc(&ch); *pc = ch & 0xff; return 1; } static void sn_endboot(struct serial_port *port) { struct sn_console_data *sndata = port->uart; sndata->booted = 1; } static void sn_poll(void *data) { int ch, status; struct serial_port *port = data; struct sn_console_data *sndata = port->uart; struct cpu_user_regs *regs = guest_cpu_user_regs(); status = ia64_sn_console_check(&ch); if (!status && ch) { serial_rx_interrupt(port, regs); } set_timer(&sndata->timer, NOW() + MILLISECS(sndata->timeout_ms)); } static void sn_init_postirq(struct serial_port *port) { struct sn_console_data *sndata = port->uart; init_timer(&sndata->timer, sn_poll, port, 0); set_timer(&sndata->timer, NOW() + MILLISECS(console_data.timeout_ms)); } static struct uart_driver sn_sal_console = { .init_postirq = sn_init_postirq, .putc = sn_putc, .getc = sn_getc, .endboot = sn_endboot, }; /** * early_sn_setup - early setup routine for SN platforms * * pulled from arch/ia64/sn/kernel/setup.c */ static void __init early_sn_setup(void) { efi_system_table_t *efi_systab; efi_config_table_t *config_tables; struct ia64_sal_systab *sal_systab; struct ia64_sal_desc_entry_point *ep; char *p; int i, j; /* * Parse enough of the SAL tables to locate the SAL entry point. Since, console * IO on SN2 is done via SAL calls, early_printk won't work without this. * * This code duplicates some of the ACPI table parsing that is in efi.c & sal.c. * Any changes to those file may have to be made hereas well. */ efi_systab = (efi_system_table_t *) __va(ia64_boot_param->efi_systab); config_tables = __va(efi_systab->tables); for (i = 0; i < efi_systab->nr_tables; i++) { if (!efi_guidcmp(config_tables[i].guid, SAL_SYSTEM_TABLE_GUID)) { sal_systab = __va(config_tables[i].table); p = (char *)(sal_systab + 1); for (j = 0; j < sal_systab->entry_count; j++) { if (*p == SAL_DESC_ENTRY_POINT) { ep = (struct ia64_sal_desc_entry_point *)p; ia64_sal_handler_init(__va (ep->sal_proc), __va(ep->gp)); return; } p += SAL_DESC_SIZE(*p); } } } /* Uh-oh, SAL not available?? */ printk(KERN_ERR "failed to find SAL entry point\n"); } /** * sn_serial_console_early_setup - Sets up early console output support * * pulled from drivers/serial/sn_console.c */ int __init sn_serial_console_early_setup(void) { if (strcmp("sn2", acpi_get_sysname())) return -1; early_sn_setup(); /* Find SAL entry points */ serial_register_uart(0, &sn_sal_console, &console_data); return 0; }


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