1/* 2 * BK Id: %F% %I% %G% %U% %#% 3 */ 4/* 5 * include/asm-ppc/serial.h 6 */ 7 8#ifdef __KERNEL__ 9#ifndef __ASM_SERIAL_H__ 10#define __ASM_SERIAL_H__ 11 12#include <linux/config.h> 13 14#if defined(CONFIG_GEMINI) 15#include <platforms/gemini_serial.h> 16#elif defined(CONFIG_SPRUCE) 17#include <platforms/spruce.h> 18#elif defined(CONFIG_4xx) 19#include <asm/ppc4xx_serial.h> 20#else 21 22/* 23 * This assumes you have a 1.8432 MHz clock for your UART. 24 * 25 * It'd be nice if someone built a serial card with a 24.576 MHz 26 * clock, since the 16550A is capable of handling a top speed of 1.5 27 * megabits/second; but this requires the faster clock. 28 */ 29#define BASE_BAUD ( 1843200 / 16 ) 30 31#ifdef CONFIG_SERIAL_MANY_PORTS 32#define RS_TABLE_SIZE 64 33#else 34#define RS_TABLE_SIZE 4 35#endif 36 37/* Standard COM flags (except for COM4, because of the 8514 problem) */ 38#ifdef CONFIG_SERIAL_DETECT_IRQ 39#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ) 40#define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_AUTO_IRQ) 41#else 42#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST) 43#define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF 44#endif 45 46#ifdef CONFIG_SERIAL_MANY_PORTS 47#define FOURPORT_FLAGS ASYNC_FOURPORT 48#define ACCENT_FLAGS 0 49#define BOCA_FLAGS 0 50#define HUB6_FLAGS 0 51#endif 52 53/* 54 * The following define the access methods for the HUB6 card. All 55 * access is through two ports for all 24 possible chips. The card is 56 * selected through the high 2 bits, the port on that card with the 57 * "middle" 3 bits, and the register on that port with the bottom 58 * 3 bits. 59 * 60 * While the access port and interrupt is configurable, the default 61 * port locations are 0x302 for the port control register, and 0x303 62 * for the data read/write register. Normally, the interrupt is at irq3 63 * but can be anything from 3 to 7 inclusive. Note that using 3 will 64 * require disabling com2. 65 */ 66 67#define C_P(card,port) (((card)<<6|(port)<<3) + 1) 68 69#define STD_SERIAL_PORT_DEFNS \ 70 /* UART CLK PORT IRQ FLAGS */ \ 71 { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \ 72 { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS }, /* ttyS1 */ \ 73 { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS }, /* ttyS2 */ \ 74 { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */ 75 76 77#ifdef CONFIG_SERIAL_MANY_PORTS 78#define EXTRA_SERIAL_PORT_DEFNS \ 79 { 0, BASE_BAUD, 0x1A0, 9, FOURPORT_FLAGS }, /* ttyS4 */ \ 80 { 0, BASE_BAUD, 0x1A8, 9, FOURPORT_FLAGS }, /* ttyS5 */ \ 81 { 0, BASE_BAUD, 0x1B0, 9, FOURPORT_FLAGS }, /* ttyS6 */ \ 82 { 0, BASE_BAUD, 0x1B8, 9, FOURPORT_FLAGS }, /* ttyS7 */ \ 83 { 0, BASE_BAUD, 0x2A0, 5, FOURPORT_FLAGS }, /* ttyS8 */ \ 84 { 0, BASE_BAUD, 0x2A8, 5, FOURPORT_FLAGS }, /* ttyS9 */ \ 85 { 0, BASE_BAUD, 0x2B0, 5, FOURPORT_FLAGS }, /* ttyS10 */ \ 86 { 0, BASE_BAUD, 0x2B8, 5, FOURPORT_FLAGS }, /* ttyS11 */ \ 87 { 0, BASE_BAUD, 0x330, 4, ACCENT_FLAGS }, /* ttyS12 */ \ 88 { 0, BASE_BAUD, 0x338, 4, ACCENT_FLAGS }, /* ttyS13 */ \ 89 { 0, BASE_BAUD, 0x000, 0, 0 }, /* ttyS14 (spare) */ \ 90 { 0, BASE_BAUD, 0x000, 0, 0 }, /* ttyS15 (spare) */ \ 91 { 0, BASE_BAUD, 0x100, 12, BOCA_FLAGS }, /* ttyS16 */ \ 92 { 0, BASE_BAUD, 0x108, 12, BOCA_FLAGS }, /* ttyS17 */ \ 93 { 0, BASE_BAUD, 0x110, 12, BOCA_FLAGS }, /* ttyS18 */ \ 94 { 0, BASE_BAUD, 0x118, 12, BOCA_FLAGS }, /* ttyS19 */ \ 95 { 0, BASE_BAUD, 0x120, 12, BOCA_FLAGS }, /* ttyS20 */ \ 96 { 0, BASE_BAUD, 0x128, 12, BOCA_FLAGS }, /* ttyS21 */ \ 97 { 0, BASE_BAUD, 0x130, 12, BOCA_FLAGS }, /* ttyS22 */ \ 98 { 0, BASE_BAUD, 0x138, 12, BOCA_FLAGS }, /* ttyS23 */ \ 99 { 0, BASE_BAUD, 0x140, 12, BOCA_FLAGS }, /* ttyS24 */ \ 100 { 0, BASE_BAUD, 0x148, 12, BOCA_FLAGS }, /* ttyS25 */ \ 101 { 0, BASE_BAUD, 0x150, 12, BOCA_FLAGS }, /* ttyS26 */ \ 102 { 0, BASE_BAUD, 0x158, 12, BOCA_FLAGS }, /* ttyS27 */ \ 103 { 0, BASE_BAUD, 0x160, 12, BOCA_FLAGS }, /* ttyS28 */ \ 104 { 0, BASE_BAUD, 0x168, 12, BOCA_FLAGS }, /* ttyS29 */ \ 105 { 0, BASE_BAUD, 0x170, 12, BOCA_FLAGS }, /* ttyS30 */ \ 106 { 0, BASE_BAUD, 0x178, 12, BOCA_FLAGS }, /* ttyS31 */ 107#else 108#define EXTRA_SERIAL_PORT_DEFNS 109#endif 110 111/* You can have up to four HUB6's in the system, but I've only 112 * included two cards here for a total of twelve ports. 113 */ 114#if (defined(CONFIG_HUB6) && defined(CONFIG_SERIAL_MANY_PORTS)) 115#define HUB6_SERIAL_PORT_DFNS \ 116 { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,0) }, /* ttyS32 */ \ 117 { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,1) }, /* ttyS33 */ \ 118 { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,2) }, /* ttyS34 */ \ 119 { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,3) }, /* ttyS35 */ \ 120 { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,4) }, /* ttyS36 */ \ 121 { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,5) }, /* ttyS37 */ \ 122 { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,0) }, /* ttyS38 */ \ 123 { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,1) }, /* ttyS39 */ \ 124 { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,2) }, /* ttyS40 */ \ 125 { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,3) }, /* ttyS41 */ \ 126 { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,4) }, /* ttyS42 */ \ 127 { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,5) }, /* ttyS43 */ 128#else 129#define HUB6_SERIAL_PORT_DFNS 130#endif 131 132#define MCA_SERIAL_PORT_DFNS 133 134#define SERIAL_PORT_DFNS \ 135 STD_SERIAL_PORT_DEFNS \ 136 EXTRA_SERIAL_PORT_DEFNS \ 137 HUB6_SERIAL_PORT_DFNS \ 138 MCA_SERIAL_PORT_DFNS 139 140#endif /* !CONFIG_GEMINI and others */ 141#endif /* __ASM_SERIAL_H__ */ 142#endif /* __KERNEL__ */ 143