| uart_cpu_ia64.c (120452) | uart_cpu_ia64.c (127215) |
|---|---|
| 1/* | 1/* |
| 2 * Copyright (c) 2003 Marcel Moolenaar | 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> | 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 120452 2003-09-26 05:14:56Z marcel $"); | 28__FBSDID("$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 | 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 |
|
| 42static int dig64_to_uart_parity[] = { 43 UART_PARITY_NONE, UART_PARITY_NONE, UART_PARITY_EVEN, 44 UART_PARITY_ODD, UART_PARITY_MARK, UART_PARITY_SPACE 45}; 46 47int 48uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2) 49{ 50 51 return ((b1->bsh == b2->bsh && b1->bst == b2->bst) ? 1 : 0); 52} 53 54int 55uart_cpu_getdev(int devtype, struct uart_devinfo *di) 56{ 57 struct dig64_hcdp_table *tbl; 58 struct dig64_hcdp_entry *ent; 59 bus_addr_t addr; | 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; |
| 60 unsigned int i, ivar; | 63 unsigned int i; |
| 61 62 /* 63 * Use the DIG64 HCDP table if present. 64 */ 65 if (bootinfo.bi_hcdp != 0) { 66 tbl = (void*)IA64_PHYS_TO_RR7(bootinfo.bi_hcdp); 67 for (i = 0; i < tbl->entries; i++) { 68 ent = tbl->entry + i; --- 6 unchanged lines hidden (view full) --- 75 ent->type != DIG64_HCDP_DBGPORT) 76 continue; 77 78 addr = ent->address.addr_high; 79 addr = (addr << 32) + ent->address.addr_low; 80 di->ops = uart_ns8250_ops; 81 di->bas.chan = 0; 82 di->bas.bst = (ent->address.addr_space == 0) | 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) |
| 83 ? IA64_BUS_SPACE_MEM : IA64_BUS_SPACE_IO; | 86 ? uart_bus_space_mem : uart_bus_space_io; |
| 84 if (bus_space_map(di->bas.bst, addr, 8, 0, 85 &di->bas.bsh) != 0) 86 continue; 87 di->bas.regshft = 0; 88 di->bas.rclk = ent->pclock << 4; 89 /* We don't deal with 64-bit baud rates. */ 90 di->baudrate = ent->baud_low; 91 di->databits = ent->databits; 92 di->stopbits = ent->stopbits; 93 di->parity = (ent->parity >= 6) ? UART_PARITY_NONE 94 : dig64_to_uart_parity[ent->parity]; 95 return (0); 96 } 97 98 /* FALLTHROUGH */ 99 } 100 | 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 |
| 101 /* 102 * Scan the hints for backward compatibility. We only try units 103 * 0 to 3 (inclusive). This covers the ISA legacy where 4 UARTs 104 * had their resources predefined. 105 */ 106 for (i = 0; i < 4; i++) { 107 if (resource_int_value("uart", i, "flags", &ivar)) 108 continue; 109 if (devtype == UART_DEV_CONSOLE && !UART_FLAGS_CONSOLE(ivar)) 110 continue; 111 if (devtype == UART_DEV_DBGPORT && !UART_FLAGS_DBGPORT(ivar)) 112 continue; 113 /* 114 * We have a possible device. Make sure it's enabled and 115 * that we have an I/O port. 116 */ 117 if (resource_int_value("uart", i, "disabled", &ivar) == 0 && 118 ivar != 0) 119 continue; 120 if (resource_int_value("uart", i, "port", &ivar) != 0 || 121 ivar == 0) 122 continue; 123 /* 124 * Got it. Fill in the instance and return it. We only have 125 * ns8250 and successors on i386. 126 */ 127 di->ops = uart_ns8250_ops; 128 di->bas.chan = 0; 129 di->bas.bst = IA64_BUS_SPACE_IO; 130 if (bus_space_map(di->bas.bst, ivar, 8, 0, &di->bas.bsh) != 0) 131 continue; 132 di->bas.regshft = 0; 133 di->bas.rclk = 0; 134 if (resource_int_value("uart", i, "baud", &ivar) != 0) 135 ivar = 0; 136 di->baudrate = ivar; 137 di->databits = 8; 138 di->stopbits = 1; 139 di->parity = UART_PARITY_NONE; 140 return (0); 141 } 142 143 return (ENXIO); | 104 /* Check the environment. */ 105 return (uart_getenv(devtype, di)); |
| 144} | 106} |