include/ns87308.h

   1 /*
   2  * (C) Copyright 2000
   3  * Rob Taylor, Flying Pig Systems. robt@flyingpig.com.
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 #ifndef _NS87308_H_
  25 #define _NS87308_H_
  26
  27 #include <asm/pci_io.h>
  28
  29 /* Note: I couldn't find a full data sheet for the ns87308, but the ns87307 seems to be pretty
  30    functionally- (and pin-) equivalent to the 87308, but the 308 has better ir support. */
  31
  32 void initialise_ns87308(void);
  33
  34 /*
  35  * The following struct represents the GPIO registers on the NS87308/NS97307
  36  */
  37 struct GPIO
  38 {
  39   unsigned char dta1;  /* 0 data port 1 */
  40   unsigned char dir1;  /* 1 direction port 1 */
  41   unsigned char out1;  /* 2 output type port 1 */
  42   unsigned char puc1;  /* 3 pull-up control port 1 */
  43   unsigned char dta2;  /* 4 data port 2 */
  44   unsigned char dir2;  /* 5 direction port 2 */
  45   unsigned char out2;  /* 6 output type port 2 */
  46   unsigned char puc2;  /* 7 pull-up control port 2  */
  47 };
  48
  49 /*
  50  * The following represents the power management registers on the NS87308/NS97307
  51  */
  52 #define PWM_FER1 0  /* 0 function enable reg. 1 */
  53 #define PWM_FER2 1  /* 1 function enable reg. 2 */
  54 #define PWM_PMC1 2  /* 2 power mgmt. control 1 */
  55 #define PWM_PMC2 3  /* 3 power mgmt. control 2 */
  56 #define PWM_PMC3 4  /* 4 power mgmt. control 3 */
  57 #define PWM_WDTO 5  /* 5 watchdog time-out */
  58 #define PWM_WDCF 6  /* 6 watchdog config. */
  59 #define PWM_WDST 7  /* 7 watchdog status  */
  60
  61 /*PNP config registers:
  62  * these depend on the stated of BADDR1 and BADDR0 on startup
  63  * so there's three versions here with the last two digits indicating
  64  * for which configuration their valid
  65  * the 1st of the two digits indicates the state of BADDR1
  66  * the 2st of the two digits indicates the state of BADDR0
  67  */
  68
  69
  70 #define IO_INDEX_OFFSET_0x 0x0279  /* full PnP isa Mode */
  71 #define IO_INDEX_OFFSET_10 0x015C  /* PnP motherboard mode */
  72 #define IO_INDEX_OFFSET_11 0x002E  /* PnP motherboard mode */
  73 #define IO_DATA_OFFSET_0x  0x0A79  /* full PnP isa Mode */
  74 #define IO_DATA_OFFSET_10  0x015D  /* PnP motherboard mode */
  75 #define IO_DATA_OFFSET_11  0x002F  /* PnP motherboard mode */
  76
  77 #if defined(CONFIG_SYS_NS87308_BADDR_0x)
  78 #define IO_INDEX (CONFIG_SYS_ISA_IO + IO_INDEX_OFFSET_0x)
  79 #define IO_DATA  (CONFIG_SYS_ISA_IO + IO_DATA_OFFSET_0x)
  80 #elif defined(CONFIG_SYS_NS87308_BADDR_10)
  81 #define IO_INDEX (CONFIG_SYS_ISA_IO + IO_INDEX_OFFSET_10)
  82 #define IO_DATA  (CONFIG_SYS_ISA_IO + IO_DATA_OFFSET_10)
  83 #elif defined(CONFIG_SYS_NS87308_BADDR_11)
  84 #define IO_INDEX (CONFIG_SYS_ISA_IO + IO_INDEX_OFFSET_11)
  85 #define IO_DATA  (CONFIG_SYS_ISA_IO + IO_DATA_OFFSET_11)
  86 #endif
  87
  88 /* PnP register definitions */
  89
  90 #define SET_RD_DATA_PORT    0x00
  91 #define SERIAL_ISOLATION    0x01
  92 #define CONFIG_CONTROL      0x02
  93 #define WAKE_CSN            0x03
  94 #define RES_DATA            0x04
  95 #define STATUS              0x05
  96 #define SET_CSN             0x06
  97 #define LOGICAL_DEVICE      0x07
  98
  99 /*vendor defined values */
 100 #define SID_REG             0x20
 101 #define SUPOERIO_CONF1      0x21
 102 #define SUPOERIO_CONF2      0x22
 103 #define PGCS_INDEX          0x23
 104 #define PGCS_DATA           0x24
 105
 106 /* values above 30 are different for each logical device
 107    but I can't be arsed to enter them all. the ones here
 108    are pretty consistent between all logical devices
 109    feel free to correct the situation if you want.. ;)
 110    */
 111 #define ACTIVATE            0x30
 112 #define ACTIVATE_OFF        0x00
 113 #define ACTIVATE_ON         0x01
 114
 115 #define BASE_ADDR_HIGH      0x60
 116 #define BASE_ADDR_LOW       0x61
 117 #define LUN_CONFIG_REG          0xF0
 118 #define DBASE_HIGH                      0x60    /* SIO KBC data base address, 15:8 */
 119 #define DBASE_LOW                       0x61    /* SIO KBC data base address,  7:0 */
 120 #define CBASE_HIGH                      0x62    /* SIO KBC command base addr, 15:8 */
 121 #define CBASE_LOW                       0x63    /* SIO KBC command base addr,  7:0 */
 122
 123 /* the logical devices*/
 124 #define LDEV_KBC1           0x00        /* 2 devices for keyboard and mouse controller*/
 125 #define LDEV_KBC2           0x01
 126 #define LDEV_MOUSE          0x01
 127 #define LDEV_RTC_APC        0x02        /*Real Time Clock and Advanced Power Control*/
 128 #define LDEV_FDC            0x03        /*floppy disk controller*/
 129 #define LDEV_PARP           0x04        /*Parallel port*/
 130 #define LDEV_UART2          0x05
 131 #define LDEV_UART1          0x06
 132 #define LDEV_GPIO           0x07    /*General Purpose IO and chip select output signals*/
 133 #define LDEV_POWRMAN        0x08    /*Power Managment*/
 134
 135 #define CONFIG_SYS_NS87308_KBC1 (1 << LDEV_KBC1)
 136 #define CONFIG_SYS_NS87308_KBC2 (1 << LDEV_KBC2)
 137 #define CONFIG_SYS_NS87308_MOUSE        (1 << LDEV_MOUSE)
 138 #define CONFIG_SYS_NS87308_RTC_APC      (1 << LDEV_RTC_APC)
 139 #define CONFIG_SYS_NS87308_FDC          (1 << LDEV_FDC)
 140 #define CONFIG_SYS_NS87308_PARP (1 << LDEV_PARP)
 141 #define CONFIG_SYS_NS87308_UART2        (1 << LDEV_UART2)
 142 #define CONFIG_SYS_NS87308_UART1        (1 << LDEV_UART1)
 143 #define CONFIG_SYS_NS87308_GPIO (1 << LDEV_GPIO)
 144 #define CONFIG_SYS_NS87308_POWRMAN      (1 << LDEV_POWRMAN)
 145
 146 /*some functions and macro's for doing configuration */
 147
 148 static inline void read_pnp_config(unsigned char index, unsigned char *data)
 149 {
 150     pci_writeb(index,IO_INDEX);
 151     pci_readb(IO_DATA, *data);
 152 }
 153
 154 static inline void write_pnp_config(unsigned char index, unsigned char data)
 155 {
 156     pci_writeb(index,IO_INDEX);
 157     pci_writeb(data, IO_DATA);
 158 }
 159
 160 static inline void pnp_set_device(unsigned char dev)
 161 {
 162     write_pnp_config(LOGICAL_DEVICE, dev);
 163 }
 164
 165 static inline void write_pm_reg(unsigned short base, unsigned char index, unsigned char data)
 166 {
 167     pci_writeb(index, CONFIG_SYS_ISA_IO + base);
 168     eieio();
 169     pci_writeb(data, CONFIG_SYS_ISA_IO + base + 1);
 170 }
 171
 172 /*void write_pnp_config(unsigned char index, unsigned char data);
 173 void pnp_set_device(unsigned char dev);
 174 */
 175
 176 #define PNP_SET_DEVICE_BASE(dev,base) \
 177    pnp_set_device(dev); \
 178    write_pnp_config(ACTIVATE, ACTIVATE_OFF); \
 179    write_pnp_config(BASE_ADDR_HIGH, ((base) >> 8) & 0xff ); \
 180    write_pnp_config(BASE_ADDR_LOW, (base) &0xff); \
 181    write_pnp_config(ACTIVATE, ACTIVATE_ON);
 182
 183 #define PNP_ACTIVATE_DEVICE(dev) \
 184    pnp_set_device(dev); \
 185    write_pnp_config(ACTIVATE, ACTIVATE_ON);
 186
 187 #define PNP_DEACTIVATE_DEVICE(dev) \
 188    pnp_set_device(dev); \
 189    write_pnp_config(ACTIVATE, ACTIVATE_OFF);
 190
 191
 192 static inline void write_pgcs_config(unsigned char index, unsigned char data)
 193 {
 194     write_pnp_config(PGCS_INDEX, index);
 195     write_pnp_config(PGCS_DATA, data);
 196 }
 197
 198 /* these macrose configure the 3 CS lines
 199    on the sandpoint board these controll NVRAM
 200    CS0 is connected to NVRAMCS
 201    CS1 is connected to NVRAMAS0
 202    CS2 is connected to NVRAMAS1
 203    */
 204 #define PGCS_CS_ASSERT_ON_WRITE 0x10
 205 #define PGCS_CS_ASSERT_ON_READ  0x20
 206
 207 #define PNP_PGCS_CSLINE_BASE(cs, base) \
 208   write_pgcs_config((cs) << 2, ((base) >> 8) & 0xff ); \
 209   write_pgcs_config(((cs) << 2) + 1, (base) & 0xff );
 210
 211 #define PNP_PGCS_CSLINE_CONF(cs, conf) \
 212   write_pgcs_config(((cs) << 2) + 2, (conf) );
 213
 214
 215 /* The following sections are for 87308 extensions to the standard compoents it emulates */
 216
 217 /* extensions to 16550*/
 218
 219 #define MCR_MDSL_MSK    0xe0 /*mode select mask*/
 220 #define MCR_MDSL_UART   0x00 /*uart, default*/
 221 #define MCR_MDSL_SHRPIR 0x02 /*Sharp IR*/
 222 #define MCR_MDSL_SIR    0x03 /*SIR*/
 223 #define MCR_MDSL_CIR    0x06 /*Consumer IR*/
 224
 225 #define FCR_TXFTH0      0x10    /* these bits control threshod of data level in fifo */
 226 #define FCR_TXFTH1      0x20    /* for interrupt trigger */
 227
 228 /*
 229  * Default NS87308 configuration
 230  */
 231 #ifndef CONFIG_SYS_NS87308_KBC1_BASE
 232 #define CONFIG_SYS_NS87308_KBC1_BASE    0x0060
 233 #endif
 234 #ifndef CONFIG_SYS_NS87308_RTC_BASE
 235 #define CONFIG_SYS_NS87308_RTC_BASE     0x0070
 236 #endif
 237 #ifndef CONFIG_SYS_NS87308_FDC_BASE
 238 #define CONFIG_SYS_NS87308_FDC_BASE     0x03F0
 239 #endif
 240 #ifndef CONFIG_SYS_NS87308_LPT_BASE
 241 #define CONFIG_SYS_NS87308_LPT_BASE     0x0278
 242 #endif
 243 #ifndef CONFIG_SYS_NS87308_UART1_BASE
 244 #define CONFIG_SYS_NS87308_UART1_BASE   0x03F8
 245 #endif
 246 #ifndef CONFIG_SYS_NS87308_UART2_BASE
 247 #define CONFIG_SYS_NS87308_UART2_BASE   0x02F8
 248 #endif
 249
 250 #endif /*_NS87308_H_*/