11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds * linux/arch/m68k/atari/config.c 31da177e4SLinus Torvalds * 41da177e4SLinus Torvalds * Copyright (C) 1994 Bjoern Brauel 51da177e4SLinus Torvalds * 61da177e4SLinus Torvalds * 5/2/94 Roman Hodek: 71da177e4SLinus Torvalds * Added setting of time_adj to get a better clock. 81da177e4SLinus Torvalds * 91da177e4SLinus Torvalds * 5/14/94 Roman Hodek: 101da177e4SLinus Torvalds * gettod() for TT 111da177e4SLinus Torvalds * 121da177e4SLinus Torvalds * 5/15/94 Roman Hodek: 131da177e4SLinus Torvalds * hard_reset_now() for Atari (and others?) 141da177e4SLinus Torvalds * 151da177e4SLinus Torvalds * 94/12/30 Andreas Schwab: 161da177e4SLinus Torvalds * atari_sched_init fixed to get precise clock. 171da177e4SLinus Torvalds * 181da177e4SLinus Torvalds * This file is subject to the terms and conditions of the GNU General Public 191da177e4SLinus Torvalds * License. See the file COPYING in the main directory of this archive 201da177e4SLinus Torvalds * for more details. 211da177e4SLinus Torvalds */ 221da177e4SLinus Torvalds 231da177e4SLinus Torvalds /* 241da177e4SLinus Torvalds * Miscellaneous atari stuff 251da177e4SLinus Torvalds */ 261da177e4SLinus Torvalds 271da177e4SLinus Torvalds #include <linux/types.h> 281da177e4SLinus Torvalds #include <linux/mm.h> 29813dcf7aSAlexey Dobriyan #include <linux/seq_file.h> 301da177e4SLinus Torvalds #include <linux/console.h> 311da177e4SLinus Torvalds #include <linux/init.h> 321da177e4SLinus Torvalds #include <linux/delay.h> 331da177e4SLinus Torvalds #include <linux/ioport.h> 34736b24dbSMichael Schmitz #include <linux/platform_device.h> 3501a18d16SMichael Schmitz #include <linux/usb/isp116x.h> 361da177e4SLinus Torvalds #include <linux/vt_kern.h> 37a3b2004aSAdrian Bunk #include <linux/module.h> 381da177e4SLinus Torvalds 391da177e4SLinus Torvalds #include <asm/bootinfo.h> 404c3c522bSGeert Uytterhoeven #include <asm/bootinfo-atari.h> 41abe48101SGeert Uytterhoeven #include <asm/byteorder.h> 421da177e4SLinus Torvalds #include <asm/setup.h> 431da177e4SLinus Torvalds #include <asm/atarihw.h> 441da177e4SLinus Torvalds #include <asm/atariints.h> 451da177e4SLinus Torvalds #include <asm/atari_stram.h> 461da177e4SLinus Torvalds #include <asm/machdep.h> 471da177e4SLinus Torvalds #include <asm/hwtest.h> 481da177e4SLinus Torvalds #include <asm/io.h> 491da177e4SLinus Torvalds 501da177e4SLinus Torvalds u_long atari_mch_cookie; 51a3b2004aSAdrian Bunk EXPORT_SYMBOL(atari_mch_cookie); 52a3b2004aSAdrian Bunk 531da177e4SLinus Torvalds u_long atari_mch_type; 54a3b2004aSAdrian Bunk EXPORT_SYMBOL(atari_mch_type); 55a3b2004aSAdrian Bunk 561da177e4SLinus Torvalds struct atari_hw_present atari_hw_present; 57a3b2004aSAdrian Bunk EXPORT_SYMBOL(atari_hw_present); 58a3b2004aSAdrian Bunk 591da177e4SLinus Torvalds u_long atari_switches; 60a3b2004aSAdrian Bunk EXPORT_SYMBOL(atari_switches); 61a3b2004aSAdrian Bunk 621da177e4SLinus Torvalds int atari_dont_touch_floppy_select; 63a3b2004aSAdrian Bunk EXPORT_SYMBOL(atari_dont_touch_floppy_select); 64a3b2004aSAdrian Bunk 651da177e4SLinus Torvalds int atari_rtc_year_offset; 661da177e4SLinus Torvalds 671da177e4SLinus Torvalds /* local function prototypes */ 681da177e4SLinus Torvalds static void atari_reset(void); 691da177e4SLinus Torvalds static void atari_get_model(char *model); 70813dcf7aSAlexey Dobriyan static void atari_get_hardware_list(struct seq_file *m); 711da177e4SLinus Torvalds 721da177e4SLinus Torvalds /* atari specific irq functions */ 731da177e4SLinus Torvalds extern void atari_init_IRQ (void); 741da177e4SLinus Torvalds extern void atari_mksound(unsigned int count, unsigned int ticks); 751da177e4SLinus Torvalds #ifdef CONFIG_HEARTBEAT 761da177e4SLinus Torvalds static void atari_heartbeat(int on); 771da177e4SLinus Torvalds #endif 781da177e4SLinus Torvalds 791da177e4SLinus Torvalds /* atari specific timer functions (in time.c) */ 8040220c1aSDavid Howells extern void atari_sched_init(irq_handler_t); 81c8d5ba18SStephen Warren extern u32 atari_gettimeoffset(void); 821da177e4SLinus Torvalds extern int atari_mste_hwclk (int, struct rtc_time *); 831da177e4SLinus Torvalds extern int atari_tt_hwclk (int, struct rtc_time *); 841da177e4SLinus Torvalds extern int atari_mste_set_clock_mmss (unsigned long); 851da177e4SLinus Torvalds extern int atari_tt_set_clock_mmss (unsigned long); 861da177e4SLinus Torvalds 871da177e4SLinus Torvalds 881da177e4SLinus Torvalds /* ++roman: This is a more elaborate test for an SCC chip, since the plain 891da177e4SLinus Torvalds * Medusa board generates DTACK at the SCC's standard addresses, but a SCC 901da177e4SLinus Torvalds * board in the Medusa is possible. Also, the addresses where the ST_ESCC 911da177e4SLinus Torvalds * resides generate DTACK without the chip, too. 921da177e4SLinus Torvalds * The method is to write values into the interrupt vector register, that 931da177e4SLinus Torvalds * should be readable without trouble (from channel A!). 941da177e4SLinus Torvalds */ 951da177e4SLinus Torvalds 961da177e4SLinus Torvalds static int __init scc_test(volatile char *ctla) 971da177e4SLinus Torvalds { 981da177e4SLinus Torvalds if (!hwreg_present(ctla)) 996ff5801aSRoman Zippel return 0; 1001da177e4SLinus Torvalds MFPDELAY(); 1011da177e4SLinus Torvalds 1026ff5801aSRoman Zippel *ctla = 2; 1036ff5801aSRoman Zippel MFPDELAY(); 1046ff5801aSRoman Zippel *ctla = 0x40; 1051da177e4SLinus Torvalds MFPDELAY(); 1061da177e4SLinus Torvalds 1076ff5801aSRoman Zippel *ctla = 2; 1086ff5801aSRoman Zippel MFPDELAY(); 1096ff5801aSRoman Zippel if (*ctla != 0x40) 1106ff5801aSRoman Zippel return 0; 1116ff5801aSRoman Zippel MFPDELAY(); 1121da177e4SLinus Torvalds 1136ff5801aSRoman Zippel *ctla = 2; 1146ff5801aSRoman Zippel MFPDELAY(); 1156ff5801aSRoman Zippel *ctla = 0x60; 1166ff5801aSRoman Zippel MFPDELAY(); 1171da177e4SLinus Torvalds 1186ff5801aSRoman Zippel *ctla = 2; 1196ff5801aSRoman Zippel MFPDELAY(); 1206ff5801aSRoman Zippel if (*ctla != 0x60) 1216ff5801aSRoman Zippel return 0; 1226ff5801aSRoman Zippel 1236ff5801aSRoman Zippel return 1; 1241da177e4SLinus Torvalds } 1251da177e4SLinus Torvalds 1261da177e4SLinus Torvalds 1271da177e4SLinus Torvalds /* 1281da177e4SLinus Torvalds * Parse an Atari-specific record in the bootinfo 1291da177e4SLinus Torvalds */ 1301da177e4SLinus Torvalds 1311da177e4SLinus Torvalds int __init atari_parse_bootinfo(const struct bi_record *record) 1321da177e4SLinus Torvalds { 1331da177e4SLinus Torvalds int unknown = 0; 134abe48101SGeert Uytterhoeven const void *data = record->data; 1351da177e4SLinus Torvalds 136abe48101SGeert Uytterhoeven switch (be16_to_cpu(record->tag)) { 1371da177e4SLinus Torvalds case BI_ATARI_MCH_COOKIE: 138abe48101SGeert Uytterhoeven atari_mch_cookie = be32_to_cpup(data); 1391da177e4SLinus Torvalds break; 1401da177e4SLinus Torvalds case BI_ATARI_MCH_TYPE: 141abe48101SGeert Uytterhoeven atari_mch_type = be32_to_cpup(data); 1421da177e4SLinus Torvalds break; 1431da177e4SLinus Torvalds default: 1441da177e4SLinus Torvalds unknown = 1; 1456ff5801aSRoman Zippel break; 1461da177e4SLinus Torvalds } 1476ff5801aSRoman Zippel return unknown; 1481da177e4SLinus Torvalds } 1491da177e4SLinus Torvalds 1501da177e4SLinus Torvalds 1511da177e4SLinus Torvalds /* Parse the Atari-specific switches= option. */ 152d6713b40SRoman Zippel static int __init atari_switches_setup(char *str) 1531da177e4SLinus Torvalds { 154d6713b40SRoman Zippel char switches[strlen(str) + 1]; 1551da177e4SLinus Torvalds char *p; 1561da177e4SLinus Torvalds int ovsc_shift; 1571da177e4SLinus Torvalds char *args = switches; 1581da177e4SLinus Torvalds 159d6713b40SRoman Zippel if (!MACH_IS_ATARI) 160d6713b40SRoman Zippel return 0; 161d6713b40SRoman Zippel 1621da177e4SLinus Torvalds /* copy string to local array, strsep works destructively... */ 163d6713b40SRoman Zippel strcpy(switches, str); 1641da177e4SLinus Torvalds atari_switches = 0; 1651da177e4SLinus Torvalds 1661da177e4SLinus Torvalds /* parse the options */ 1671da177e4SLinus Torvalds while ((p = strsep(&args, ",")) != NULL) { 1686ff5801aSRoman Zippel if (!*p) 1696ff5801aSRoman Zippel continue; 1701da177e4SLinus Torvalds ovsc_shift = 0; 1711da177e4SLinus Torvalds if (strncmp(p, "ov_", 3) == 0) { 1721da177e4SLinus Torvalds p += 3; 1731da177e4SLinus Torvalds ovsc_shift = ATARI_SWITCH_OVSC_SHIFT; 1741da177e4SLinus Torvalds } 1751da177e4SLinus Torvalds 1761da177e4SLinus Torvalds if (strcmp(p, "ikbd") == 0) { 1771da177e4SLinus Torvalds /* RTS line of IKBD ACIA */ 1781da177e4SLinus Torvalds atari_switches |= ATARI_SWITCH_IKBD << ovsc_shift; 1796ff5801aSRoman Zippel } else if (strcmp(p, "midi") == 0) { 1801da177e4SLinus Torvalds /* RTS line of MIDI ACIA */ 1811da177e4SLinus Torvalds atari_switches |= ATARI_SWITCH_MIDI << ovsc_shift; 1826ff5801aSRoman Zippel } else if (strcmp(p, "snd6") == 0) { 1831da177e4SLinus Torvalds atari_switches |= ATARI_SWITCH_SND6 << ovsc_shift; 1846ff5801aSRoman Zippel } else if (strcmp(p, "snd7") == 0) { 1851da177e4SLinus Torvalds atari_switches |= ATARI_SWITCH_SND7 << ovsc_shift; 1861da177e4SLinus Torvalds } 1871da177e4SLinus Torvalds } 188d6713b40SRoman Zippel return 0; 1891da177e4SLinus Torvalds } 1901da177e4SLinus Torvalds 191d6713b40SRoman Zippel early_param("switches", atari_switches_setup); 192d6713b40SRoman Zippel 1931da177e4SLinus Torvalds 1941da177e4SLinus Torvalds /* 1951da177e4SLinus Torvalds * Setup the Atari configuration info 1961da177e4SLinus Torvalds */ 1971da177e4SLinus Torvalds 1981da177e4SLinus Torvalds void __init config_atari(void) 1991da177e4SLinus Torvalds { 2001da177e4SLinus Torvalds unsigned short tos_version; 2011da177e4SLinus Torvalds 2021da177e4SLinus Torvalds memset(&atari_hw_present, 0, sizeof(atari_hw_present)); 2031da177e4SLinus Torvalds 2046ff5801aSRoman Zippel /* Change size of I/O space from 64KB to 4GB. */ 2056ff5801aSRoman Zippel ioport_resource.end = 0xFFFFFFFF; 2061da177e4SLinus Torvalds 2071da177e4SLinus Torvalds mach_sched_init = atari_sched_init; 2081da177e4SLinus Torvalds mach_init_IRQ = atari_init_IRQ; 2091da177e4SLinus Torvalds mach_get_model = atari_get_model; 2101da177e4SLinus Torvalds mach_get_hardware_list = atari_get_hardware_list; 211c8d5ba18SStephen Warren arch_gettimeoffset = atari_gettimeoffset; 2121da177e4SLinus Torvalds mach_reset = atari_reset; 2131da177e4SLinus Torvalds mach_max_dma_address = 0xffffff; 2141da177e4SLinus Torvalds #if defined(CONFIG_INPUT_M68K_BEEP) || defined(CONFIG_INPUT_M68K_BEEP_MODULE) 2151da177e4SLinus Torvalds mach_beep = atari_mksound; 2161da177e4SLinus Torvalds #endif 2171da177e4SLinus Torvalds #ifdef CONFIG_HEARTBEAT 2181da177e4SLinus Torvalds mach_heartbeat = atari_heartbeat; 2191da177e4SLinus Torvalds #endif 2201da177e4SLinus Torvalds 2211da177e4SLinus Torvalds /* Set switches as requested by the user */ 2221da177e4SLinus Torvalds if (atari_switches & ATARI_SWITCH_IKBD) 2231da177e4SLinus Torvalds acia.key_ctrl = ACIA_DIV64 | ACIA_D8N1S | ACIA_RHTID; 2241da177e4SLinus Torvalds if (atari_switches & ATARI_SWITCH_MIDI) 2251da177e4SLinus Torvalds acia.mid_ctrl = ACIA_DIV16 | ACIA_D8N1S | ACIA_RHTID; 2261da177e4SLinus Torvalds if (atari_switches & (ATARI_SWITCH_SND6|ATARI_SWITCH_SND7)) { 2271da177e4SLinus Torvalds sound_ym.rd_data_reg_sel = 14; 2281da177e4SLinus Torvalds sound_ym.wd_data = sound_ym.rd_data_reg_sel | 2291da177e4SLinus Torvalds ((atari_switches&ATARI_SWITCH_SND6) ? 0x40 : 0) | 2301da177e4SLinus Torvalds ((atari_switches&ATARI_SWITCH_SND7) ? 0x80 : 0); 2311da177e4SLinus Torvalds } 2321da177e4SLinus Torvalds 2331da177e4SLinus Torvalds /* ++bjoern: 2341da177e4SLinus Torvalds * Determine hardware present 2351da177e4SLinus Torvalds */ 2361da177e4SLinus Torvalds 2371da177e4SLinus Torvalds printk("Atari hardware found: "); 23829c8a246SAdrian Bunk if (MACH_IS_MEDUSA) { 2391da177e4SLinus Torvalds /* There's no Atari video hardware on the Medusa, but all the 2401da177e4SLinus Torvalds * addresses below generate a DTACK so no bus error occurs! */ 2416ff5801aSRoman Zippel } else if (hwreg_present(f030_xreg)) { 2421da177e4SLinus Torvalds ATARIHW_SET(VIDEL_SHIFTER); 2431da177e4SLinus Torvalds printk("VIDEL "); 2441da177e4SLinus Torvalds /* This is a temporary hack: If there is Falcon video 2451da177e4SLinus Torvalds * hardware, we assume that the ST-DMA serves SCSI instead of 2461da177e4SLinus Torvalds * ACSI. In the future, there should be a better method for 2471da177e4SLinus Torvalds * this... 2481da177e4SLinus Torvalds */ 2491da177e4SLinus Torvalds ATARIHW_SET(ST_SCSI); 2501da177e4SLinus Torvalds printk("STDMA-SCSI "); 2516ff5801aSRoman Zippel } else if (hwreg_present(tt_palette)) { 2521da177e4SLinus Torvalds ATARIHW_SET(TT_SHIFTER); 2531da177e4SLinus Torvalds printk("TT_SHIFTER "); 2546ff5801aSRoman Zippel } else if (hwreg_present(&shifter.bas_hi)) { 2551da177e4SLinus Torvalds if (hwreg_present(&shifter.bas_lo) && 2561da177e4SLinus Torvalds (shifter.bas_lo = 0x0aau, shifter.bas_lo == 0x0aau)) { 2571da177e4SLinus Torvalds ATARIHW_SET(EXTD_SHIFTER); 2581da177e4SLinus Torvalds printk("EXTD_SHIFTER "); 2596ff5801aSRoman Zippel } else { 2601da177e4SLinus Torvalds ATARIHW_SET(STND_SHIFTER); 2611da177e4SLinus Torvalds printk("STND_SHIFTER "); 2621da177e4SLinus Torvalds } 2631da177e4SLinus Torvalds } 2643d92e8f3SGeert Uytterhoeven if (hwreg_present(&st_mfp.par_dt_reg)) { 2651da177e4SLinus Torvalds ATARIHW_SET(ST_MFP); 2661da177e4SLinus Torvalds printk("ST_MFP "); 2671da177e4SLinus Torvalds } 2681da177e4SLinus Torvalds if (hwreg_present(&tt_mfp.par_dt_reg)) { 2691da177e4SLinus Torvalds ATARIHW_SET(TT_MFP); 2701da177e4SLinus Torvalds printk("TT_MFP "); 2711da177e4SLinus Torvalds } 2721da177e4SLinus Torvalds if (hwreg_present(&tt_scsi_dma.dma_addr_hi)) { 2731da177e4SLinus Torvalds ATARIHW_SET(SCSI_DMA); 2741da177e4SLinus Torvalds printk("TT_SCSI_DMA "); 2751da177e4SLinus Torvalds } 2766ff5801aSRoman Zippel /* 2776ff5801aSRoman Zippel * The ST-DMA address registers aren't readable 2786ff5801aSRoman Zippel * on all Medusas, so the test below may fail 2796ff5801aSRoman Zippel */ 2806ff5801aSRoman Zippel if (MACH_IS_MEDUSA || 2811da177e4SLinus Torvalds (hwreg_present(&st_dma.dma_vhi) && 2821da177e4SLinus Torvalds (st_dma.dma_vhi = 0x55) && (st_dma.dma_hi = 0xaa) && 2831da177e4SLinus Torvalds st_dma.dma_vhi == 0x55 && st_dma.dma_hi == 0xaa && 2841da177e4SLinus Torvalds (st_dma.dma_vhi = 0xaa) && (st_dma.dma_hi = 0x55) && 2851da177e4SLinus Torvalds st_dma.dma_vhi == 0xaa && st_dma.dma_hi == 0x55)) { 2861da177e4SLinus Torvalds ATARIHW_SET(EXTD_DMA); 2871da177e4SLinus Torvalds printk("EXTD_DMA "); 2881da177e4SLinus Torvalds } 2891da177e4SLinus Torvalds if (hwreg_present(&tt_scsi.scsi_data)) { 2901da177e4SLinus Torvalds ATARIHW_SET(TT_SCSI); 2911da177e4SLinus Torvalds printk("TT_SCSI "); 2921da177e4SLinus Torvalds } 2931da177e4SLinus Torvalds if (hwreg_present(&sound_ym.rd_data_reg_sel)) { 2941da177e4SLinus Torvalds ATARIHW_SET(YM_2149); 2951da177e4SLinus Torvalds printk("YM2149 "); 2961da177e4SLinus Torvalds } 29729c8a246SAdrian Bunk if (!MACH_IS_MEDUSA && hwreg_present(&tt_dmasnd.ctrl)) { 2981da177e4SLinus Torvalds ATARIHW_SET(PCM_8BIT); 2991da177e4SLinus Torvalds printk("PCM "); 3001da177e4SLinus Torvalds } 30129c8a246SAdrian Bunk if (hwreg_present(&falcon_codec.unused5)) { 3021da177e4SLinus Torvalds ATARIHW_SET(CODEC); 3031da177e4SLinus Torvalds printk("CODEC "); 3041da177e4SLinus Torvalds } 3051da177e4SLinus Torvalds if (hwreg_present(&dsp56k_host_interface.icr)) { 3061da177e4SLinus Torvalds ATARIHW_SET(DSP56K); 3071da177e4SLinus Torvalds printk("DSP56K "); 3081da177e4SLinus Torvalds } 3091da177e4SLinus Torvalds if (hwreg_present(&tt_scc_dma.dma_ctrl) && 3101da177e4SLinus Torvalds #if 0 3111da177e4SLinus Torvalds /* This test sucks! Who knows some better? */ 3121da177e4SLinus Torvalds (tt_scc_dma.dma_ctrl = 0x01, (tt_scc_dma.dma_ctrl & 1) == 1) && 3131da177e4SLinus Torvalds (tt_scc_dma.dma_ctrl = 0x00, (tt_scc_dma.dma_ctrl & 1) == 0) 3141da177e4SLinus Torvalds #else 31529c8a246SAdrian Bunk !MACH_IS_MEDUSA 3161da177e4SLinus Torvalds #endif 3171da177e4SLinus Torvalds ) { 3181da177e4SLinus Torvalds ATARIHW_SET(SCC_DMA); 3191da177e4SLinus Torvalds printk("SCC_DMA "); 3201da177e4SLinus Torvalds } 321de339e4bSGeert Uytterhoeven if (scc_test(&atari_scc.cha_a_ctrl)) { 3221da177e4SLinus Torvalds ATARIHW_SET(SCC); 3231da177e4SLinus Torvalds printk("SCC "); 3241da177e4SLinus Torvalds } 3251da177e4SLinus Torvalds if (scc_test(&st_escc.cha_b_ctrl)) { 3261da177e4SLinus Torvalds ATARIHW_SET(ST_ESCC); 3271da177e4SLinus Torvalds printk("ST_ESCC "); 3281da177e4SLinus Torvalds } 32929c8a246SAdrian Bunk if (hwreg_present(&tt_scu.sys_mask)) { 3301da177e4SLinus Torvalds ATARIHW_SET(SCU); 3311da177e4SLinus Torvalds /* Assume a VME bus if there's a SCU */ 3321da177e4SLinus Torvalds ATARIHW_SET(VME); 3331da177e4SLinus Torvalds printk("VME SCU "); 3341da177e4SLinus Torvalds } 3351da177e4SLinus Torvalds if (hwreg_present((void *)(0xffff9210))) { 3361da177e4SLinus Torvalds ATARIHW_SET(ANALOG_JOY); 3371da177e4SLinus Torvalds printk("ANALOG_JOY "); 3381da177e4SLinus Torvalds } 33929c8a246SAdrian Bunk if (hwreg_present(blitter.halftone)) { 3401da177e4SLinus Torvalds ATARIHW_SET(BLITTER); 3411da177e4SLinus Torvalds printk("BLITTER "); 3421da177e4SLinus Torvalds } 3431da177e4SLinus Torvalds if (hwreg_present((void *)0xfff00039)) { 3441da177e4SLinus Torvalds ATARIHW_SET(IDE); 3451da177e4SLinus Torvalds printk("IDE "); 3461da177e4SLinus Torvalds } 3471da177e4SLinus Torvalds #if 1 /* This maybe wrong */ 34829c8a246SAdrian Bunk if (!MACH_IS_MEDUSA && hwreg_present(&tt_microwire.data) && 3491da177e4SLinus Torvalds hwreg_present(&tt_microwire.mask) && 3501da177e4SLinus Torvalds (tt_microwire.mask = 0x7ff, 3511da177e4SLinus Torvalds udelay(1), 3521da177e4SLinus Torvalds tt_microwire.data = MW_LM1992_PSG_HIGH | MW_LM1992_ADDR, 3531da177e4SLinus Torvalds udelay(1), 3541da177e4SLinus Torvalds tt_microwire.data != 0)) { 3551da177e4SLinus Torvalds ATARIHW_SET(MICROWIRE); 3566ff5801aSRoman Zippel while (tt_microwire.mask != 0x7ff) 3576ff5801aSRoman Zippel ; 3581da177e4SLinus Torvalds printk("MICROWIRE "); 3591da177e4SLinus Torvalds } 3601da177e4SLinus Torvalds #endif 3611da177e4SLinus Torvalds if (hwreg_present(&tt_rtc.regsel)) { 3621da177e4SLinus Torvalds ATARIHW_SET(TT_CLK); 3631da177e4SLinus Torvalds printk("TT_CLK "); 3641da177e4SLinus Torvalds mach_hwclk = atari_tt_hwclk; 3651da177e4SLinus Torvalds mach_set_clock_mmss = atari_tt_set_clock_mmss; 3661da177e4SLinus Torvalds } 36729c8a246SAdrian Bunk if (hwreg_present(&mste_rtc.sec_ones)) { 3681da177e4SLinus Torvalds ATARIHW_SET(MSTE_CLK); 3691da177e4SLinus Torvalds printk("MSTE_CLK "); 3701da177e4SLinus Torvalds mach_hwclk = atari_mste_hwclk; 3711da177e4SLinus Torvalds mach_set_clock_mmss = atari_mste_set_clock_mmss; 3721da177e4SLinus Torvalds } 37329c8a246SAdrian Bunk if (!MACH_IS_MEDUSA && hwreg_present(&dma_wd.fdc_speed) && 3741da177e4SLinus Torvalds hwreg_write(&dma_wd.fdc_speed, 0)) { 3751da177e4SLinus Torvalds ATARIHW_SET(FDCSPEED); 3761da177e4SLinus Torvalds printk("FDC_SPEED "); 3771da177e4SLinus Torvalds } 37829c8a246SAdrian Bunk if (!ATARIHW_PRESENT(ST_SCSI)) { 3791da177e4SLinus Torvalds ATARIHW_SET(ACSI); 3801da177e4SLinus Torvalds printk("ACSI "); 3811da177e4SLinus Torvalds } 3821da177e4SLinus Torvalds printk("\n"); 3831da177e4SLinus Torvalds 3841da177e4SLinus Torvalds if (CPU_IS_040_OR_060) 3851da177e4SLinus Torvalds /* Now it seems to be safe to turn of the tt0 transparent 3861da177e4SLinus Torvalds * translation (the one that must not be turned off in 3871da177e4SLinus Torvalds * head.S...) 3881da177e4SLinus Torvalds */ 3896ff5801aSRoman Zippel asm volatile ("\n" 3906ff5801aSRoman Zippel " moveq #0,%%d0\n" 3916ff5801aSRoman Zippel " .chip 68040\n" 3926ff5801aSRoman Zippel " movec %%d0,%%itt0\n" 3936ff5801aSRoman Zippel " movec %%d0,%%dtt0\n" 3941da177e4SLinus Torvalds " .chip 68k" 3951da177e4SLinus Torvalds : /* no outputs */ 3961da177e4SLinus Torvalds : /* no inputs */ 3971da177e4SLinus Torvalds : "d0"); 3981da177e4SLinus Torvalds 3991da177e4SLinus Torvalds /* allocator for memory that must reside in st-ram */ 4001da177e4SLinus Torvalds atari_stram_init(); 4011da177e4SLinus Torvalds 4021da177e4SLinus Torvalds /* Set up a mapping for the VMEbus address region: 4031da177e4SLinus Torvalds * 4041da177e4SLinus Torvalds * VME is either at phys. 0xfexxxxxx (TT) or 0xa00000..0xdfffff 4051da177e4SLinus Torvalds * (MegaSTE) In both cases, the whole 16 MB chunk is mapped at 4061da177e4SLinus Torvalds * 0xfe000000 virt., because this can be done with a single 4071da177e4SLinus Torvalds * transparent translation. On the 68040, lots of often unused 4081da177e4SLinus Torvalds * page tables would be needed otherwise. On a MegaSTE or similar, 4091da177e4SLinus Torvalds * the highest byte is stripped off by hardware due to the 24 bit 4101da177e4SLinus Torvalds * design of the bus. 4111da177e4SLinus Torvalds */ 4121da177e4SLinus Torvalds 4131da177e4SLinus Torvalds if (CPU_IS_020_OR_030) { 4141da177e4SLinus Torvalds unsigned long tt1_val; 4151da177e4SLinus Torvalds tt1_val = 0xfe008543; /* Translate 0xfexxxxxx, enable, cache 4161da177e4SLinus Torvalds * inhibit, read and write, FDC mask = 3, 4171da177e4SLinus Torvalds * FDC val = 4 -> Supervisor only */ 4186ff5801aSRoman Zippel asm volatile ("\n" 4196ff5801aSRoman Zippel " .chip 68030\n" 4202a353506SAndreas Schwab " pmove %0,%/tt1\n" 4211da177e4SLinus Torvalds " .chip 68k" 4222a353506SAndreas Schwab : : "m" (tt1_val)); 4236ff5801aSRoman Zippel } else { 4246ff5801aSRoman Zippel asm volatile ("\n" 4256ff5801aSRoman Zippel " .chip 68040\n" 4266ff5801aSRoman Zippel " movec %0,%%itt1\n" 4276ff5801aSRoman Zippel " movec %0,%%dtt1\n" 4281da177e4SLinus Torvalds " .chip 68k" 4291da177e4SLinus Torvalds : 4306ff5801aSRoman Zippel : "d" (0xfe00a040)); /* Translate 0xfexxxxxx, enable, 4311da177e4SLinus Torvalds * supervisor only, non-cacheable/ 4321da177e4SLinus Torvalds * serialized, writable */ 4331da177e4SLinus Torvalds 4341da177e4SLinus Torvalds } 4351da177e4SLinus Torvalds 4361da177e4SLinus Torvalds /* Fetch tos version at Physical 2 */ 4376ff5801aSRoman Zippel /* 4386ff5801aSRoman Zippel * We my not be able to access this address if the kernel is 4396ff5801aSRoman Zippel * loaded to st ram, since the first page is unmapped. On the 4406ff5801aSRoman Zippel * Medusa this is always the case and there is nothing we can do 4416ff5801aSRoman Zippel * about this, so we just assume the smaller offset. For the TT 4426ff5801aSRoman Zippel * we use the fact that in head.S we have set up a mapping 4436ff5801aSRoman Zippel * 0xFFxxxxxx -> 0x00xxxxxx, so that the first 16MB is accessible 4446ff5801aSRoman Zippel * in the last 16MB of the address space. 4456ff5801aSRoman Zippel */ 44629c8a246SAdrian Bunk tos_version = (MACH_IS_MEDUSA) ? 4471da177e4SLinus Torvalds 0xfff : *(unsigned short *)0xff000002; 4481da177e4SLinus Torvalds atari_rtc_year_offset = (tos_version < 0x306) ? 70 : 68; 4491da177e4SLinus Torvalds } 4501da177e4SLinus Torvalds 4511da177e4SLinus Torvalds #ifdef CONFIG_HEARTBEAT 4521da177e4SLinus Torvalds static void atari_heartbeat(int on) 4531da177e4SLinus Torvalds { 4541da177e4SLinus Torvalds unsigned char tmp; 4551da177e4SLinus Torvalds unsigned long flags; 4561da177e4SLinus Torvalds 4571da177e4SLinus Torvalds if (atari_dont_touch_floppy_select) 4581da177e4SLinus Torvalds return; 4591da177e4SLinus Torvalds 4601da177e4SLinus Torvalds local_irq_save(flags); 4611da177e4SLinus Torvalds sound_ym.rd_data_reg_sel = 14; /* Select PSG Port A */ 4621da177e4SLinus Torvalds tmp = sound_ym.rd_data_reg_sel; 4631da177e4SLinus Torvalds sound_ym.wd_data = on ? (tmp & ~0x02) : (tmp | 0x02); 4641da177e4SLinus Torvalds local_irq_restore(flags); 4651da177e4SLinus Torvalds } 4661da177e4SLinus Torvalds #endif 4671da177e4SLinus Torvalds 4681da177e4SLinus Torvalds /* ++roman: 4691da177e4SLinus Torvalds * 4701da177e4SLinus Torvalds * This function does a reset on machines that lack the ability to 4711da177e4SLinus Torvalds * assert the processor's _RESET signal somehow via hardware. It is 4721da177e4SLinus Torvalds * based on the fact that you can find the initial SP and PC values 4731da177e4SLinus Torvalds * after a reset at physical addresses 0 and 4. This works pretty well 4741da177e4SLinus Torvalds * for Atari machines, since the lowest 8 bytes of physical memory are 4751da177e4SLinus Torvalds * really ROM (mapped by hardware). For other 680x0 machines: don't 4761da177e4SLinus Torvalds * know if it works... 4771da177e4SLinus Torvalds * 4781da177e4SLinus Torvalds * To get the values at addresses 0 and 4, the MMU better is turned 4791da177e4SLinus Torvalds * off first. After that, we have to jump into physical address space 4801da177e4SLinus Torvalds * (the PC before the pmove statement points to the virtual address of 4811da177e4SLinus Torvalds * the code). Getting that physical address is not hard, but the code 4821da177e4SLinus Torvalds * becomes a bit complex since I've tried to ensure that the jump 4831da177e4SLinus Torvalds * statement after the pmove is in the cache already (otherwise the 4841da177e4SLinus Torvalds * processor can't fetch it!). For that, the code first jumps to the 4851da177e4SLinus Torvalds * jump statement with the (virtual) address of the pmove section in 4861da177e4SLinus Torvalds * an address register . The jump statement is surely in the cache 4871da177e4SLinus Torvalds * now. After that, that physical address of the reset code is loaded 4881da177e4SLinus Torvalds * into the same address register, pmove is done and the same jump 4891da177e4SLinus Torvalds * statements goes to the reset code. Since there are not many 4901da177e4SLinus Torvalds * statements between the two jumps, I hope it stays in the cache. 4911da177e4SLinus Torvalds * 4921da177e4SLinus Torvalds * The C code makes heavy use of the GCC features that you can get the 4931da177e4SLinus Torvalds * address of a C label. No hope to compile this with another compiler 4941da177e4SLinus Torvalds * than GCC! 4951da177e4SLinus Torvalds */ 4961da177e4SLinus Torvalds 4971da177e4SLinus Torvalds /* ++andreas: no need for complicated code, just depend on prefetch */ 4981da177e4SLinus Torvalds 4991da177e4SLinus Torvalds static void atari_reset(void) 5001da177e4SLinus Torvalds { 5011da177e4SLinus Torvalds long tc_val = 0; 5021da177e4SLinus Torvalds long reset_addr; 5031da177e4SLinus Torvalds 5046ff5801aSRoman Zippel /* 5056ff5801aSRoman Zippel * On the Medusa, phys. 0x4 may contain garbage because it's no 5066ff5801aSRoman Zippel * ROM. See above for explanation why we cannot use PTOV(4). 5076ff5801aSRoman Zippel */ 50829c8a246SAdrian Bunk reset_addr = MACH_IS_MEDUSA || MACH_IS_AB40 ? 0xe00030 : 5091da177e4SLinus Torvalds *(unsigned long *) 0xff000004; 5101da177e4SLinus Torvalds 5111da177e4SLinus Torvalds /* reset ACIA for switch off OverScan, if it's active */ 5121da177e4SLinus Torvalds if (atari_switches & ATARI_SWITCH_OVSC_IKBD) 5131da177e4SLinus Torvalds acia.key_ctrl = ACIA_RESET; 5141da177e4SLinus Torvalds if (atari_switches & ATARI_SWITCH_OVSC_MIDI) 5151da177e4SLinus Torvalds acia.mid_ctrl = ACIA_RESET; 5161da177e4SLinus Torvalds 5171da177e4SLinus Torvalds /* processor independent: turn off interrupts and reset the VBR; 5181da177e4SLinus Torvalds * the caches must be left enabled, else prefetching the final jump 5196ff5801aSRoman Zippel * instruction doesn't work. 5206ff5801aSRoman Zippel */ 5211da177e4SLinus Torvalds local_irq_disable(); 5226ff5801aSRoman Zippel asm volatile ("movec %0,%%vbr" 5236ff5801aSRoman Zippel : : "d" (0)); 5241da177e4SLinus Torvalds 5251da177e4SLinus Torvalds if (CPU_IS_040_OR_060) { 5261da177e4SLinus Torvalds unsigned long jmp_addr040 = virt_to_phys(&&jmp_addr_label040); 5271da177e4SLinus Torvalds if (CPU_IS_060) { 5281da177e4SLinus Torvalds /* 68060: clear PCR to turn off superscalar operation */ 5296ff5801aSRoman Zippel asm volatile ("\n" 5306ff5801aSRoman Zippel " .chip 68060\n" 5316ff5801aSRoman Zippel " movec %0,%%pcr\n" 5321da177e4SLinus Torvalds " .chip 68k" 5336ff5801aSRoman Zippel : : "d" (0)); 5341da177e4SLinus Torvalds } 5351da177e4SLinus Torvalds 5366ff5801aSRoman Zippel asm volatile ("\n" 5376ff5801aSRoman Zippel " move.l %0,%%d0\n" 5386ff5801aSRoman Zippel " and.l #0xff000000,%%d0\n" 5396ff5801aSRoman Zippel " or.w #0xe020,%%d0\n" /* map 16 MB, enable, cacheable */ 5406ff5801aSRoman Zippel " .chip 68040\n" 5416ff5801aSRoman Zippel " movec %%d0,%%itt0\n" 5426ff5801aSRoman Zippel " movec %%d0,%%dtt0\n" 5436ff5801aSRoman Zippel " .chip 68k\n" 5446ff5801aSRoman Zippel " jmp %0@" 5456ff5801aSRoman Zippel : : "a" (jmp_addr040) 5461da177e4SLinus Torvalds : "d0"); 5471da177e4SLinus Torvalds jmp_addr_label040: 5486ff5801aSRoman Zippel asm volatile ("\n" 5496ff5801aSRoman Zippel " moveq #0,%%d0\n" 5506ff5801aSRoman Zippel " nop\n" 5516ff5801aSRoman Zippel " .chip 68040\n" 5526ff5801aSRoman Zippel " cinva %%bc\n" 5536ff5801aSRoman Zippel " nop\n" 5546ff5801aSRoman Zippel " pflusha\n" 5556ff5801aSRoman Zippel " nop\n" 5566ff5801aSRoman Zippel " movec %%d0,%%tc\n" 5576ff5801aSRoman Zippel " nop\n" 5581da177e4SLinus Torvalds /* the following setup of transparent translations is needed on the 5591da177e4SLinus Torvalds * Afterburner040 to successfully reboot. Other machines shouldn't 5601da177e4SLinus Torvalds * care about a different tt regs setup, they also didn't care in 5611da177e4SLinus Torvalds * the past that the regs weren't turned off. */ 5626ff5801aSRoman Zippel " move.l #0xffc000,%%d0\n" /* whole insn space cacheable */ 5636ff5801aSRoman Zippel " movec %%d0,%%itt0\n" 5646ff5801aSRoman Zippel " movec %%d0,%%itt1\n" 5656ff5801aSRoman Zippel " or.w #0x40,%/d0\n" /* whole data space non-cacheable/ser. */ 5666ff5801aSRoman Zippel " movec %%d0,%%dtt0\n" 5676ff5801aSRoman Zippel " movec %%d0,%%dtt1\n" 5686ff5801aSRoman Zippel " .chip 68k\n" 5691da177e4SLinus Torvalds " jmp %0@" 5701da177e4SLinus Torvalds : /* no outputs */ 5711da177e4SLinus Torvalds : "a" (reset_addr) 5721da177e4SLinus Torvalds : "d0"); 5736ff5801aSRoman Zippel } else 5746ff5801aSRoman Zippel asm volatile ("\n" 5752a353506SAndreas Schwab " pmove %0,%%tc\n" 5761da177e4SLinus Torvalds " jmp %1@" 5771da177e4SLinus Torvalds : /* no outputs */ 5782a353506SAndreas Schwab : "m" (tc_val), "a" (reset_addr)); 5791da177e4SLinus Torvalds } 5801da177e4SLinus Torvalds 5811da177e4SLinus Torvalds 5821da177e4SLinus Torvalds static void atari_get_model(char *model) 5831da177e4SLinus Torvalds { 5841da177e4SLinus Torvalds strcpy(model, "Atari "); 5851da177e4SLinus Torvalds switch (atari_mch_cookie >> 16) { 5861da177e4SLinus Torvalds case ATARI_MCH_ST: 5871da177e4SLinus Torvalds if (ATARIHW_PRESENT(MSTE_CLK)) 5881da177e4SLinus Torvalds strcat(model, "Mega ST"); 5891da177e4SLinus Torvalds else 5901da177e4SLinus Torvalds strcat(model, "ST"); 5911da177e4SLinus Torvalds break; 5921da177e4SLinus Torvalds case ATARI_MCH_STE: 5931da177e4SLinus Torvalds if (MACH_IS_MSTE) 5941da177e4SLinus Torvalds strcat(model, "Mega STE"); 5951da177e4SLinus Torvalds else 5961da177e4SLinus Torvalds strcat(model, "STE"); 5971da177e4SLinus Torvalds break; 5981da177e4SLinus Torvalds case ATARI_MCH_TT: 5991da177e4SLinus Torvalds if (MACH_IS_MEDUSA) 6001da177e4SLinus Torvalds /* Medusa has TT _MCH cookie */ 6011da177e4SLinus Torvalds strcat(model, "Medusa"); 6021da177e4SLinus Torvalds else 6031da177e4SLinus Torvalds strcat(model, "TT"); 6041da177e4SLinus Torvalds break; 6051da177e4SLinus Torvalds case ATARI_MCH_FALCON: 6061da177e4SLinus Torvalds strcat(model, "Falcon"); 6071da177e4SLinus Torvalds if (MACH_IS_AB40) 6081da177e4SLinus Torvalds strcat(model, " (with Afterburner040)"); 6091da177e4SLinus Torvalds break; 6101da177e4SLinus Torvalds default: 6111da177e4SLinus Torvalds sprintf(model + strlen(model), "(unknown mach cookie 0x%lx)", 6121da177e4SLinus Torvalds atari_mch_cookie); 6131da177e4SLinus Torvalds break; 6141da177e4SLinus Torvalds } 6151da177e4SLinus Torvalds } 6161da177e4SLinus Torvalds 6171da177e4SLinus Torvalds 618813dcf7aSAlexey Dobriyan static void atari_get_hardware_list(struct seq_file *m) 6191da177e4SLinus Torvalds { 620813dcf7aSAlexey Dobriyan int i; 6211da177e4SLinus Torvalds 6221da177e4SLinus Torvalds for (i = 0; i < m68k_num_memory; i++) 623813dcf7aSAlexey Dobriyan seq_printf(m, "\t%3ld MB at 0x%08lx (%s)\n", 6241da177e4SLinus Torvalds m68k_memory[i].size >> 20, m68k_memory[i].addr, 6251da177e4SLinus Torvalds (m68k_memory[i].addr & 0xff000000 ? 6261da177e4SLinus Torvalds "alternate RAM" : "ST-RAM")); 6271da177e4SLinus Torvalds 6281da177e4SLinus Torvalds #define ATARIHW_ANNOUNCE(name, str) \ 6291da177e4SLinus Torvalds if (ATARIHW_PRESENT(name)) \ 630813dcf7aSAlexey Dobriyan seq_printf(m, "\t%s\n", str) 6311da177e4SLinus Torvalds 632813dcf7aSAlexey Dobriyan seq_printf(m, "Detected hardware:\n"); 6331da177e4SLinus Torvalds ATARIHW_ANNOUNCE(STND_SHIFTER, "ST Shifter"); 6341da177e4SLinus Torvalds ATARIHW_ANNOUNCE(EXTD_SHIFTER, "STe Shifter"); 6351da177e4SLinus Torvalds ATARIHW_ANNOUNCE(TT_SHIFTER, "TT Shifter"); 6361da177e4SLinus Torvalds ATARIHW_ANNOUNCE(VIDEL_SHIFTER, "Falcon Shifter"); 6371da177e4SLinus Torvalds ATARIHW_ANNOUNCE(YM_2149, "Programmable Sound Generator"); 6381da177e4SLinus Torvalds ATARIHW_ANNOUNCE(PCM_8BIT, "PCM 8 Bit Sound"); 6391da177e4SLinus Torvalds ATARIHW_ANNOUNCE(CODEC, "CODEC Sound"); 6401da177e4SLinus Torvalds ATARIHW_ANNOUNCE(TT_SCSI, "SCSI Controller NCR5380 (TT style)"); 6411da177e4SLinus Torvalds ATARIHW_ANNOUNCE(ST_SCSI, "SCSI Controller NCR5380 (Falcon style)"); 6421da177e4SLinus Torvalds ATARIHW_ANNOUNCE(ACSI, "ACSI Interface"); 6431da177e4SLinus Torvalds ATARIHW_ANNOUNCE(IDE, "IDE Interface"); 6441da177e4SLinus Torvalds ATARIHW_ANNOUNCE(FDCSPEED, "8/16 Mhz Switch for FDC"); 6451da177e4SLinus Torvalds ATARIHW_ANNOUNCE(ST_MFP, "Multi Function Peripheral MFP 68901"); 6461da177e4SLinus Torvalds ATARIHW_ANNOUNCE(TT_MFP, "Second Multi Function Peripheral MFP 68901"); 6471da177e4SLinus Torvalds ATARIHW_ANNOUNCE(SCC, "Serial Communications Controller SCC 8530"); 6481da177e4SLinus Torvalds ATARIHW_ANNOUNCE(ST_ESCC, "Extended Serial Communications Controller SCC 85230"); 6491da177e4SLinus Torvalds ATARIHW_ANNOUNCE(ANALOG_JOY, "Paddle Interface"); 6501da177e4SLinus Torvalds ATARIHW_ANNOUNCE(MICROWIRE, "MICROWIRE(tm) Interface"); 6511da177e4SLinus Torvalds ATARIHW_ANNOUNCE(STND_DMA, "DMA Controller (24 bit)"); 6521da177e4SLinus Torvalds ATARIHW_ANNOUNCE(EXTD_DMA, "DMA Controller (32 bit)"); 6531da177e4SLinus Torvalds ATARIHW_ANNOUNCE(SCSI_DMA, "DMA Controller for NCR5380"); 6541da177e4SLinus Torvalds ATARIHW_ANNOUNCE(SCC_DMA, "DMA Controller for SCC"); 6551da177e4SLinus Torvalds ATARIHW_ANNOUNCE(TT_CLK, "Clock Chip MC146818A"); 6561da177e4SLinus Torvalds ATARIHW_ANNOUNCE(MSTE_CLK, "Clock Chip RP5C15"); 6571da177e4SLinus Torvalds ATARIHW_ANNOUNCE(SCU, "System Control Unit"); 6581da177e4SLinus Torvalds ATARIHW_ANNOUNCE(BLITTER, "Blitter"); 6591da177e4SLinus Torvalds ATARIHW_ANNOUNCE(VME, "VME Bus"); 6601da177e4SLinus Torvalds ATARIHW_ANNOUNCE(DSP56K, "DSP56001 processor"); 6611da177e4SLinus Torvalds } 662736b24dbSMichael Schmitz 663736b24dbSMichael Schmitz /* 664736b24dbSMichael Schmitz * MSch: initial platform device support for Atari, 66501a18d16SMichael Schmitz * required for EtherNAT/EtherNEC/NetUSBee drivers 666736b24dbSMichael Schmitz */ 667736b24dbSMichael Schmitz 66801a18d16SMichael Schmitz #if defined(CONFIG_ATARI_ETHERNAT) || defined(CONFIG_ATARI_ETHERNEC) 66901a18d16SMichael Schmitz static void isp1160_delay(struct device *dev, int delay) 67001a18d16SMichael Schmitz { 67101a18d16SMichael Schmitz ndelay(delay); 67201a18d16SMichael Schmitz } 67301a18d16SMichael Schmitz #endif 67401a18d16SMichael Schmitz 675736b24dbSMichael Schmitz #ifdef CONFIG_ATARI_ETHERNAT 676736b24dbSMichael Schmitz /* 677736b24dbSMichael Schmitz * EtherNAT: SMC91C111 Ethernet chipset, handled by smc91x driver 678736b24dbSMichael Schmitz */ 679736b24dbSMichael Schmitz 680736b24dbSMichael Schmitz #define ATARI_ETHERNAT_IRQ 140 681736b24dbSMichael Schmitz 682736b24dbSMichael Schmitz static struct resource smc91x_resources[] = { 683736b24dbSMichael Schmitz [0] = { 684736b24dbSMichael Schmitz .name = "smc91x-regs", 685736b24dbSMichael Schmitz .start = ATARI_ETHERNAT_PHYS_ADDR, 686736b24dbSMichael Schmitz .end = ATARI_ETHERNAT_PHYS_ADDR + 0xfffff, 687736b24dbSMichael Schmitz .flags = IORESOURCE_MEM, 688736b24dbSMichael Schmitz }, 689736b24dbSMichael Schmitz [1] = { 690736b24dbSMichael Schmitz .name = "smc91x-irq", 691736b24dbSMichael Schmitz .start = ATARI_ETHERNAT_IRQ, 692736b24dbSMichael Schmitz .end = ATARI_ETHERNAT_IRQ, 693736b24dbSMichael Schmitz .flags = IORESOURCE_IRQ, 694736b24dbSMichael Schmitz }, 695736b24dbSMichael Schmitz }; 696736b24dbSMichael Schmitz 697736b24dbSMichael Schmitz static struct platform_device smc91x_device = { 698736b24dbSMichael Schmitz .name = "smc91x", 699736b24dbSMichael Schmitz .id = -1, 700736b24dbSMichael Schmitz .num_resources = ARRAY_SIZE(smc91x_resources), 701736b24dbSMichael Schmitz .resource = smc91x_resources, 702736b24dbSMichael Schmitz }; 703736b24dbSMichael Schmitz 70401a18d16SMichael Schmitz /* 70501a18d16SMichael Schmitz * ISP 1160 - using the isp116x-hcd module 70601a18d16SMichael Schmitz */ 70701a18d16SMichael Schmitz 70801a18d16SMichael Schmitz #define ATARI_USB_PHYS_ADDR 0x80000012 70901a18d16SMichael Schmitz #define ATARI_USB_IRQ 139 71001a18d16SMichael Schmitz 71101a18d16SMichael Schmitz static struct resource isp1160_resources[] = { 71201a18d16SMichael Schmitz [0] = { 71301a18d16SMichael Schmitz .name = "isp1160-data", 71401a18d16SMichael Schmitz .start = ATARI_USB_PHYS_ADDR, 71501a18d16SMichael Schmitz .end = ATARI_USB_PHYS_ADDR + 0x1, 71601a18d16SMichael Schmitz .flags = IORESOURCE_MEM, 71701a18d16SMichael Schmitz }, 71801a18d16SMichael Schmitz [1] = { 71901a18d16SMichael Schmitz .name = "isp1160-regs", 72001a18d16SMichael Schmitz .start = ATARI_USB_PHYS_ADDR + 0x4, 72101a18d16SMichael Schmitz .end = ATARI_USB_PHYS_ADDR + 0x5, 72201a18d16SMichael Schmitz .flags = IORESOURCE_MEM, 72301a18d16SMichael Schmitz }, 72401a18d16SMichael Schmitz [2] = { 72501a18d16SMichael Schmitz .name = "isp1160-irq", 72601a18d16SMichael Schmitz .start = ATARI_USB_IRQ, 72701a18d16SMichael Schmitz .end = ATARI_USB_IRQ, 72801a18d16SMichael Schmitz .flags = IORESOURCE_IRQ, 72901a18d16SMichael Schmitz }, 73001a18d16SMichael Schmitz }; 73101a18d16SMichael Schmitz 73201a18d16SMichael Schmitz /* (DataBusWidth16|AnalogOCEnable|DREQOutputPolarity|DownstreamPort15KRSel ) */ 73301a18d16SMichael Schmitz static struct isp116x_platform_data isp1160_platform_data = { 73401a18d16SMichael Schmitz /* Enable internal resistors on downstream ports */ 73501a18d16SMichael Schmitz .sel15Kres = 1, 73601a18d16SMichael Schmitz /* On-chip overcurrent protection */ 73701a18d16SMichael Schmitz .oc_enable = 1, 73801a18d16SMichael Schmitz /* INT output polarity */ 73901a18d16SMichael Schmitz .int_act_high = 1, 74001a18d16SMichael Schmitz /* INT edge or level triggered */ 74101a18d16SMichael Schmitz .int_edge_triggered = 0, 74201a18d16SMichael Schmitz 74301a18d16SMichael Schmitz /* WAKEUP pin connected - NOT SUPPORTED */ 74401a18d16SMichael Schmitz /* .remote_wakeup_connected = 0, */ 74501a18d16SMichael Schmitz /* Wakeup by devices on usb bus enabled */ 74601a18d16SMichael Schmitz .remote_wakeup_enable = 0, 74701a18d16SMichael Schmitz .delay = isp1160_delay, 74801a18d16SMichael Schmitz }; 74901a18d16SMichael Schmitz 75001a18d16SMichael Schmitz static struct platform_device isp1160_device = { 75101a18d16SMichael Schmitz .name = "isp116x-hcd", 75201a18d16SMichael Schmitz .id = 0, 75301a18d16SMichael Schmitz .num_resources = ARRAY_SIZE(isp1160_resources), 75401a18d16SMichael Schmitz .resource = isp1160_resources, 75501a18d16SMichael Schmitz .dev = { 75601a18d16SMichael Schmitz .platform_data = &isp1160_platform_data, 75701a18d16SMichael Schmitz }, 75801a18d16SMichael Schmitz }; 75901a18d16SMichael Schmitz 760736b24dbSMichael Schmitz static struct platform_device *atari_ethernat_devices[] __initdata = { 76101a18d16SMichael Schmitz &smc91x_device, 76201a18d16SMichael Schmitz &isp1160_device 763736b24dbSMichael Schmitz }; 764736b24dbSMichael Schmitz #endif /* CONFIG_ATARI_ETHERNAT */ 765736b24dbSMichael Schmitz 7661d87a8f2SMichael Schmitz #ifdef CONFIG_ATARI_ETHERNEC 7671d87a8f2SMichael Schmitz /* 7681d87a8f2SMichael Schmitz * EtherNEC: RTL8019 (NE2000 compatible) Ethernet chipset, 7691d87a8f2SMichael Schmitz * handled by ne.c driver 7701d87a8f2SMichael Schmitz */ 7711d87a8f2SMichael Schmitz 7721d87a8f2SMichael Schmitz #define ATARI_ETHERNEC_PHYS_ADDR 0xfffa0000 7731d87a8f2SMichael Schmitz #define ATARI_ETHERNEC_BASE 0x300 7741d87a8f2SMichael Schmitz #define ATARI_ETHERNEC_IRQ IRQ_MFP_TIMER1 7751d87a8f2SMichael Schmitz 7761d87a8f2SMichael Schmitz static struct resource rtl8019_resources[] = { 7771d87a8f2SMichael Schmitz [0] = { 7781d87a8f2SMichael Schmitz .name = "rtl8019-regs", 7791d87a8f2SMichael Schmitz .start = ATARI_ETHERNEC_BASE, 7801d87a8f2SMichael Schmitz .end = ATARI_ETHERNEC_BASE + 0x20 - 1, 7811d87a8f2SMichael Schmitz .flags = IORESOURCE_IO, 7821d87a8f2SMichael Schmitz }, 7831d87a8f2SMichael Schmitz [1] = { 7841d87a8f2SMichael Schmitz .name = "rtl8019-irq", 7851d87a8f2SMichael Schmitz .start = ATARI_ETHERNEC_IRQ, 7861d87a8f2SMichael Schmitz .end = ATARI_ETHERNEC_IRQ, 7871d87a8f2SMichael Schmitz .flags = IORESOURCE_IRQ, 7881d87a8f2SMichael Schmitz }, 7891d87a8f2SMichael Schmitz }; 7901d87a8f2SMichael Schmitz 7911d87a8f2SMichael Schmitz static struct platform_device rtl8019_device = { 7921d87a8f2SMichael Schmitz .name = "ne", 7931d87a8f2SMichael Schmitz .id = -1, 7941d87a8f2SMichael Schmitz .num_resources = ARRAY_SIZE(rtl8019_resources), 7951d87a8f2SMichael Schmitz .resource = rtl8019_resources, 7961d87a8f2SMichael Schmitz }; 7971d87a8f2SMichael Schmitz 79801a18d16SMichael Schmitz /* 79901a18d16SMichael Schmitz * NetUSBee: ISP1160 USB host adapter via ROM-port adapter 80001a18d16SMichael Schmitz */ 80101a18d16SMichael Schmitz 80201a18d16SMichael Schmitz #define ATARI_NETUSBEE_PHYS_ADDR 0xfffa8000 80301a18d16SMichael Schmitz #define ATARI_NETUSBEE_BASE 0x340 80401a18d16SMichael Schmitz #define ATARI_NETUSBEE_IRQ IRQ_MFP_TIMER2 80501a18d16SMichael Schmitz 80601a18d16SMichael Schmitz static struct resource netusbee_resources[] = { 80701a18d16SMichael Schmitz [0] = { 80801a18d16SMichael Schmitz .name = "isp1160-data", 80901a18d16SMichael Schmitz .start = ATARI_NETUSBEE_BASE, 81001a18d16SMichael Schmitz .end = ATARI_NETUSBEE_BASE + 0x1, 81101a18d16SMichael Schmitz .flags = IORESOURCE_MEM, 81201a18d16SMichael Schmitz }, 81301a18d16SMichael Schmitz [1] = { 81401a18d16SMichael Schmitz .name = "isp1160-regs", 81501a18d16SMichael Schmitz .start = ATARI_NETUSBEE_BASE + 0x20, 81601a18d16SMichael Schmitz .end = ATARI_NETUSBEE_BASE + 0x21, 81701a18d16SMichael Schmitz .flags = IORESOURCE_MEM, 81801a18d16SMichael Schmitz }, 81901a18d16SMichael Schmitz [2] = { 82001a18d16SMichael Schmitz .name = "isp1160-irq", 82101a18d16SMichael Schmitz .start = ATARI_NETUSBEE_IRQ, 82201a18d16SMichael Schmitz .end = ATARI_NETUSBEE_IRQ, 82301a18d16SMichael Schmitz .flags = IORESOURCE_IRQ, 82401a18d16SMichael Schmitz }, 82501a18d16SMichael Schmitz }; 82601a18d16SMichael Schmitz 82701a18d16SMichael Schmitz /* (DataBusWidth16|AnalogOCEnable|DREQOutputPolarity|DownstreamPort15KRSel ) */ 82801a18d16SMichael Schmitz static struct isp116x_platform_data netusbee_platform_data = { 82901a18d16SMichael Schmitz /* Enable internal resistors on downstream ports */ 83001a18d16SMichael Schmitz .sel15Kres = 1, 83101a18d16SMichael Schmitz /* On-chip overcurrent protection */ 83201a18d16SMichael Schmitz .oc_enable = 1, 83301a18d16SMichael Schmitz /* INT output polarity */ 83401a18d16SMichael Schmitz .int_act_high = 1, 83501a18d16SMichael Schmitz /* INT edge or level triggered */ 83601a18d16SMichael Schmitz .int_edge_triggered = 0, 83701a18d16SMichael Schmitz 83801a18d16SMichael Schmitz /* WAKEUP pin connected - NOT SUPPORTED */ 83901a18d16SMichael Schmitz /* .remote_wakeup_connected = 0, */ 84001a18d16SMichael Schmitz /* Wakeup by devices on usb bus enabled */ 84101a18d16SMichael Schmitz .remote_wakeup_enable = 0, 84201a18d16SMichael Schmitz .delay = isp1160_delay, 84301a18d16SMichael Schmitz }; 84401a18d16SMichael Schmitz 84501a18d16SMichael Schmitz static struct platform_device netusbee_device = { 84601a18d16SMichael Schmitz .name = "isp116x-hcd", 84701a18d16SMichael Schmitz .id = 1, 84801a18d16SMichael Schmitz .num_resources = ARRAY_SIZE(netusbee_resources), 84901a18d16SMichael Schmitz .resource = netusbee_resources, 85001a18d16SMichael Schmitz .dev = { 85101a18d16SMichael Schmitz .platform_data = &netusbee_platform_data, 85201a18d16SMichael Schmitz }, 85301a18d16SMichael Schmitz }; 85401a18d16SMichael Schmitz 85501a18d16SMichael Schmitz static struct platform_device *atari_netusbee_devices[] __initdata = { 85601a18d16SMichael Schmitz &rtl8019_device, 85701a18d16SMichael Schmitz &netusbee_device 8581d87a8f2SMichael Schmitz }; 8591d87a8f2SMichael Schmitz #endif /* CONFIG_ATARI_ETHERNEC */ 8601d87a8f2SMichael Schmitz 861736b24dbSMichael Schmitz int __init atari_platform_init(void) 862736b24dbSMichael Schmitz { 863736b24dbSMichael Schmitz int rv = 0; 864736b24dbSMichael Schmitz 865736b24dbSMichael Schmitz if (!MACH_IS_ATARI) 866736b24dbSMichael Schmitz return -ENODEV; 867736b24dbSMichael Schmitz 868736b24dbSMichael Schmitz #ifdef CONFIG_ATARI_ETHERNAT 869736b24dbSMichael Schmitz { 870736b24dbSMichael Schmitz unsigned char *enatc_virt; 871736b24dbSMichael Schmitz enatc_virt = (unsigned char *)ioremap((ATARI_ETHERNAT_PHYS_ADDR+0x23), 0xf); 872736b24dbSMichael Schmitz if (hwreg_present(enatc_virt)) { 873736b24dbSMichael Schmitz rv = platform_add_devices(atari_ethernat_devices, 874736b24dbSMichael Schmitz ARRAY_SIZE(atari_ethernat_devices)); 875736b24dbSMichael Schmitz } 876736b24dbSMichael Schmitz iounmap(enatc_virt); 877736b24dbSMichael Schmitz } 878736b24dbSMichael Schmitz #endif 879736b24dbSMichael Schmitz 8801d87a8f2SMichael Schmitz #ifdef CONFIG_ATARI_ETHERNEC 8811d87a8f2SMichael Schmitz { 8821d87a8f2SMichael Schmitz int error; 8831d87a8f2SMichael Schmitz unsigned char *enec_virt; 8841d87a8f2SMichael Schmitz enec_virt = (unsigned char *)ioremap((ATARI_ETHERNEC_PHYS_ADDR), 0xf); 8851d87a8f2SMichael Schmitz if (hwreg_present(enec_virt)) { 88601a18d16SMichael Schmitz error = platform_add_devices(atari_netusbee_devices, 88701a18d16SMichael Schmitz ARRAY_SIZE(atari_netusbee_devices)); 8881d87a8f2SMichael Schmitz if (error && !rv) 8891d87a8f2SMichael Schmitz rv = error; 8901d87a8f2SMichael Schmitz } 8911d87a8f2SMichael Schmitz iounmap(enec_virt); 8921d87a8f2SMichael Schmitz } 8931d87a8f2SMichael Schmitz #endif 8941d87a8f2SMichael Schmitz 895736b24dbSMichael Schmitz return rv; 896736b24dbSMichael Schmitz } 897736b24dbSMichael Schmitz 898736b24dbSMichael Schmitz arch_initcall(atari_platform_init); 899