Deleted Added
sdiff udiff text old ( 191079 ) new ( 191289 )
full compact
uart_cpu_ar71xx.c (191079) uart_cpu_ar71xx.c (191289)
1/*-
2 * Copyright (c) 2009 Oleksandr Tymoshenko
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 * 1. Redistributions of source code must retain the above copyright

--- 25 unchanged lines hidden (view full) ---

34#include <sys/bus.h>
35
36#include <machine/bus.h>
37
38#include <dev/uart/uart.h>
39#include <dev/uart/uart_cpu.h>
40
41#include <mips/atheros/ar71xxreg.h>
1/*-
2 * Copyright (c) 2009 Oleksandr Tymoshenko
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 * 1. Redistributions of source code must retain the above copyright

--- 25 unchanged lines hidden (view full) ---

34#include <sys/bus.h>
35
36#include <machine/bus.h>
37
38#include <dev/uart/uart.h>
39#include <dev/uart/uart_cpu.h>
40
41#include <mips/atheros/ar71xxreg.h>
42#include <mips/atheros/ar71xx_bus_space_reversed.h>
42
43bus_space_tag_t uart_bus_space_io;
44bus_space_tag_t uart_bus_space_mem;
45
46int
47uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2)
48{
49 return ((b1->bsh == b2->bsh && b1->bst == b2->bst) ? 1 : 0);
50}
51
52int
53uart_cpu_getdev(int devtype, struct uart_devinfo *di)
54{
55 di->ops = uart_getops(&uart_ns8250_class);
56 di->bas.chan = 0;
43
44bus_space_tag_t uart_bus_space_io;
45bus_space_tag_t uart_bus_space_mem;
46
47int
48uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2)
49{
50 return ((b1->bsh == b2->bsh && b1->bst == b2->bst) ? 1 : 0);
51}
52
53int
54uart_cpu_getdev(int devtype, struct uart_devinfo *di)
55{
56 di->ops = uart_getops(&uart_ns8250_class);
57 di->bas.chan = 0;
57 di->bas.bst = MIPS_BUS_SPACE_MEM;
58 di->bas.bst = &ar71xx_bus_space_reversed;
58 di->bas.regshft = 2;
59 /* TODO: calculate proper AHB freq using PLL registers */
60 di->bas.rclk = 85000000;
61 di->baudrate = 115200;
62 di->databits = 8;
63 di->stopbits = 1;
64 di->parity = UART_PARITY_NONE;
65
66 /* TODO: check if uart_bus_space_io mandatory to set */
59 di->bas.regshft = 2;
60 /* TODO: calculate proper AHB freq using PLL registers */
61 di->bas.rclk = 85000000;
62 di->baudrate = 115200;
63 di->databits = 8;
64 di->stopbits = 1;
65 di->parity = UART_PARITY_NONE;
66
67 /* TODO: check if uart_bus_space_io mandatory to set */
67 uart_bus_space_io = MIPS_BUS_SPACE_IO;
68 uart_bus_space_mem = MIPS_BUS_SPACE_MEM;
68 uart_bus_space_io = NULL;
69 uart_bus_space_mem = &ar71xx_bus_space_reversed;
69 /*
70 * FIXME:
71 * 3 is to compensate big endian, uart operates
72 * with bus_space_read_1/bus_space_write_1 and hence gets
73 * highest byte instead of lowest one. Actual fix will involve
74 * MIPS bus_space fixing.
75 */
70 /*
71 * FIXME:
72 * 3 is to compensate big endian, uart operates
73 * with bus_space_read_1/bus_space_write_1 and hence gets
74 * highest byte instead of lowest one. Actual fix will involve
75 * MIPS bus_space fixing.
76 */
76 di->bas.bsh = MIPS_PHYS_TO_KSEG1(AR71XX_UART_ADDR) + 3;
77 di->bas.bsh = MIPS_PHYS_TO_KSEG1(AR71XX_UART_ADDR);
77 return (0);
78}
78 return (0);
79}