[566a1806] | 1 | /* |
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| 2 | * COPYRIGHT (c) 2010 Eugen Leontie. |
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| 3 | * |
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| 4 | * The license and distribution terms for this file may be |
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| 5 | * found in the file LICENSE in this distribution or at |
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| 6 | * http://www.rtems.com/license/LICENSE. |
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| 7 | * |
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| 8 | * $Id$ |
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| 9 | */ |
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| 10 | |
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| 11 | |
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| 12 | #include <bsp.h> |
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| 13 | |
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| 14 | #include <libchip/serial.h> |
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| 15 | |
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| 16 | extern void ofw_write(const char *,const int ); |
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| 17 | extern void ofw_read(void *,int ); |
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| 18 | |
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| 19 | int sun4v_console_device_first_open(int major, int minor, void *arg) |
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| 20 | { |
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| 21 | return 0; |
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| 22 | } |
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| 23 | |
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| 24 | static ssize_t sun4v_console_poll_write(int minor, const char *buf, size_t n) |
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| 25 | { |
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| 26 | ofw_write(buf, n); |
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| 27 | return 0; |
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| 28 | } |
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| 29 | |
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| 30 | void sun4v_console_deviceInitialize (int minor) |
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| 31 | { |
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| 32 | |
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| 33 | } |
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| 34 | |
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| 35 | int sun4v_console_poll_read(int minor){ |
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| 36 | int a; |
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| 37 | ofw_read(&a,1); |
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| 38 | if(a!=0){ |
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| 39 | return a>>24; |
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| 40 | } |
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| 41 | return -1; |
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| 42 | } |
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| 43 | |
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| 44 | |
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| 45 | bool sun4v_console_deviceProbe (int minor){ |
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| 46 | return true; |
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| 47 | } |
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| 48 | |
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| 49 | /* |
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| 50 | * Polled mode functions |
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| 51 | */ |
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| 52 | console_fns pooled_functions={ |
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| 53 | sun4v_console_deviceProbe, /*bool (*deviceProbe)(int minor);*/ |
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| 54 | sun4v_console_device_first_open, /*int (*deviceFirstOpen)(int major, int minor, void *arg);*/ |
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| 55 | NULL, /*int (*deviceLastClose)(int major, int minor, void *arg);*/ |
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| 56 | sun4v_console_poll_read, /*int (*deviceRead)(int minor);*/ |
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| 57 | sun4v_console_poll_write, /*ssize_t (*deviceWrite)(int minor, const char *buf, size_t len);*/ |
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| 58 | sun4v_console_deviceInitialize, /*void (*deviceInitialize)(int minor);*/ |
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| 59 | NULL, /*void (*deviceWritePolled)(int minor, char cChar);*/ |
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| 60 | NULL, /*int (*deviceSetAttributes)(int minor, const struct termios *t);*/ |
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| 61 | NULL /*bool deviceOutputUsesInterrupts;*/ |
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| 62 | }; |
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| 63 | |
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| 64 | console_flow sun4v_console_console_flow={ |
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| 65 | NULL,/*int (*deviceStopRemoteTx)(int minor);*/ |
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| 66 | NULL/*int (*deviceStartRemoteTx)(int minor);*/ |
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| 67 | }; |
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| 68 | |
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| 69 | |
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[a7f3a657] | 70 | console_tbl Console_Configuration_Ports[] = { |
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[566a1806] | 71 | { |
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[f61b2f8] | 72 | NULL, /* sDeviceName */ |
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[566a1806] | 73 | SERIAL_CUSTOM, /* deviceType */ |
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| 74 | &pooled_functions, /* pDeviceFns */ |
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| 75 | NULL, /* deviceProbe, assume it is there */ |
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| 76 | &sun4v_console_console_flow, /* pDeviceFlow */ |
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| 77 | 0, /* ulMargin */ |
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| 78 | 0, /* ulHysteresis */ |
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| 79 | (void *) NULL, /* NULL */ /* pDeviceParams */ |
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| 80 | 0, /* ulCtrlPort1 */ |
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| 81 | 0, /* ulCtrlPort2 */ |
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| 82 | 1, /* ulDataPort */ |
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| 83 | NULL, /* getRegister */ |
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| 84 | NULL, /* setRegister */ |
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| 85 | NULL, /* unused */ /* getData */ |
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| 86 | NULL, /* unused */ /* setData */ |
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| 87 | 0, /* ulClock */ |
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| 88 | 0 /* ulIntVector -- base for port */ |
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| 89 | }, |
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| 90 | }; |
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| 91 | |
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| 92 | |
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| 93 | |
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| 94 | /* |
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| 95 | * Declare some information used by the console driver |
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| 96 | */ |
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| 97 | |
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| 98 | #define NUM_CONSOLE_PORTS 1 |
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| 99 | |
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[a7f3a657] | 100 | unsigned long Console_Configuration_Count = NUM_CONSOLE_PORTS; |
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[566a1806] | 101 | |
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| 102 | |
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| 103 | /* putchar/getchar for printk */ |
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| 104 | |
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| 105 | static void bsp_out_char (char c) |
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| 106 | { |
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| 107 | ofw_write(&c, 1); |
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| 108 | } |
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| 109 | |
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| 110 | BSP_output_char_function_type BSP_output_char = bsp_out_char; |
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| 111 | |
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[019fd4b] | 112 | static int bsp_in_char( void ){ |
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| 113 | int tmp; |
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| 114 | ofw_read( &tmp, 1 ); /* blocks */ |
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| 115 | if( tmp != 0 ) { |
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| 116 | return tmp>>24; |
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| 117 | } |
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| 118 | return -1; |
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| 119 | } |
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| 120 | |
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| 121 | BSP_polling_getchar_function_type BSP_poll_char = bsp_in_char; |
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| 122 | |
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