1/* |
2 * Copyright (c) 2003, 2004 Marcel Moolenaar |
3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. --- 9 unchanged lines hidden (view full) --- 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> |
28__FBSDID("$FreeBSD: head/sys/dev/uart/uart_cpu_ia64.c 127215 2004-03-20 02:14:02Z marcel $"); |
29 30#include <sys/param.h> 31#include <sys/systm.h> 32#include <sys/bus.h> 33 34#include <machine/bootinfo.h> 35#include <machine/bus.h> 36#include <machine/dig64.h> 37#include <machine/vmparam.h> 38 39#include <dev/uart/uart.h> 40#include <dev/uart/uart_cpu.h> 41 |
42bus_space_tag_t uart_bus_space_io = IA64_BUS_SPACE_IO; 43bus_space_tag_t uart_bus_space_mem = IA64_BUS_SPACE_MEM; 44 |
45static int dig64_to_uart_parity[] = { 46 UART_PARITY_NONE, UART_PARITY_NONE, UART_PARITY_EVEN, 47 UART_PARITY_ODD, UART_PARITY_MARK, UART_PARITY_SPACE 48}; 49 50int 51uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2) 52{ 53 54 return ((b1->bsh == b2->bsh && b1->bst == b2->bst) ? 1 : 0); 55} 56 57int 58uart_cpu_getdev(int devtype, struct uart_devinfo *di) 59{ 60 struct dig64_hcdp_table *tbl; 61 struct dig64_hcdp_entry *ent; 62 bus_addr_t addr; |
63 unsigned int i; |
64 65 /* 66 * Use the DIG64 HCDP table if present. 67 */ 68 if (bootinfo.bi_hcdp != 0) { 69 tbl = (void*)IA64_PHYS_TO_RR7(bootinfo.bi_hcdp); 70 for (i = 0; i < tbl->entries; i++) { 71 ent = tbl->entry + i; --- 6 unchanged lines hidden (view full) --- 78 ent->type != DIG64_HCDP_DBGPORT) 79 continue; 80 81 addr = ent->address.addr_high; 82 addr = (addr << 32) + ent->address.addr_low; 83 di->ops = uart_ns8250_ops; 84 di->bas.chan = 0; 85 di->bas.bst = (ent->address.addr_space == 0) |
86 ? uart_bus_space_mem : uart_bus_space_io; |
87 if (bus_space_map(di->bas.bst, addr, 8, 0, 88 &di->bas.bsh) != 0) 89 continue; 90 di->bas.regshft = 0; 91 di->bas.rclk = ent->pclock << 4; 92 /* We don't deal with 64-bit baud rates. */ 93 di->baudrate = ent->baud_low; 94 di->databits = ent->databits; 95 di->stopbits = ent->stopbits; 96 di->parity = (ent->parity >= 6) ? UART_PARITY_NONE 97 : dig64_to_uart_parity[ent->parity]; 98 return (0); 99 } 100 101 /* FALLTHROUGH */ 102 } 103 |
104 /* Check the environment. */ 105 return (uart_getenv(devtype, di)); |
106} |