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); 811da177e4SLinus Torvalds extern int atari_mste_hwclk (int, struct rtc_time *); 821da177e4SLinus Torvalds extern int atari_tt_hwclk (int, struct rtc_time *); 831da177e4SLinus Torvalds 841da177e4SLinus Torvalds /* ++roman: This is a more elaborate test for an SCC chip, since the plain 851da177e4SLinus Torvalds * Medusa board generates DTACK at the SCC's standard addresses, but a SCC 861da177e4SLinus Torvalds * board in the Medusa is possible. Also, the addresses where the ST_ESCC 871da177e4SLinus Torvalds * resides generate DTACK without the chip, too. 881da177e4SLinus Torvalds * The method is to write values into the interrupt vector register, that 891da177e4SLinus Torvalds * should be readable without trouble (from channel A!). 901da177e4SLinus Torvalds */ 911da177e4SLinus Torvalds 921da177e4SLinus Torvalds static int __init scc_test(volatile char *ctla) 931da177e4SLinus Torvalds { 941da177e4SLinus Torvalds if (!hwreg_present(ctla)) 956ff5801aSRoman Zippel return 0; 961da177e4SLinus Torvalds MFPDELAY(); 971da177e4SLinus Torvalds 986ff5801aSRoman Zippel *ctla = 2; 996ff5801aSRoman Zippel MFPDELAY(); 1006ff5801aSRoman Zippel *ctla = 0x40; 1011da177e4SLinus Torvalds MFPDELAY(); 1021da177e4SLinus Torvalds 1036ff5801aSRoman Zippel *ctla = 2; 1046ff5801aSRoman Zippel MFPDELAY(); 1056ff5801aSRoman Zippel if (*ctla != 0x40) 1066ff5801aSRoman Zippel return 0; 1076ff5801aSRoman Zippel MFPDELAY(); 1081da177e4SLinus Torvalds 1096ff5801aSRoman Zippel *ctla = 2; 1106ff5801aSRoman Zippel MFPDELAY(); 1116ff5801aSRoman Zippel *ctla = 0x60; 1126ff5801aSRoman Zippel MFPDELAY(); 1131da177e4SLinus Torvalds 1146ff5801aSRoman Zippel *ctla = 2; 1156ff5801aSRoman Zippel MFPDELAY(); 1166ff5801aSRoman Zippel if (*ctla != 0x60) 1176ff5801aSRoman Zippel return 0; 1186ff5801aSRoman Zippel 1196ff5801aSRoman Zippel return 1; 1201da177e4SLinus Torvalds } 1211da177e4SLinus Torvalds 1221da177e4SLinus Torvalds 1231da177e4SLinus Torvalds /* 1241da177e4SLinus Torvalds * Parse an Atari-specific record in the bootinfo 1251da177e4SLinus Torvalds */ 1261da177e4SLinus Torvalds 1271da177e4SLinus Torvalds int __init atari_parse_bootinfo(const struct bi_record *record) 1281da177e4SLinus Torvalds { 1291da177e4SLinus Torvalds int unknown = 0; 130abe48101SGeert Uytterhoeven const void *data = record->data; 1311da177e4SLinus Torvalds 132abe48101SGeert Uytterhoeven switch (be16_to_cpu(record->tag)) { 1331da177e4SLinus Torvalds case BI_ATARI_MCH_COOKIE: 134abe48101SGeert Uytterhoeven atari_mch_cookie = be32_to_cpup(data); 1351da177e4SLinus Torvalds break; 1361da177e4SLinus Torvalds case BI_ATARI_MCH_TYPE: 137abe48101SGeert Uytterhoeven atari_mch_type = be32_to_cpup(data); 1381da177e4SLinus Torvalds break; 1391da177e4SLinus Torvalds default: 1401da177e4SLinus Torvalds unknown = 1; 1416ff5801aSRoman Zippel break; 1421da177e4SLinus Torvalds } 1436ff5801aSRoman Zippel return unknown; 1441da177e4SLinus Torvalds } 1451da177e4SLinus Torvalds 1461da177e4SLinus Torvalds 1471da177e4SLinus Torvalds /* Parse the Atari-specific switches= option. */ 148d6713b40SRoman Zippel static int __init atari_switches_setup(char *str) 1491da177e4SLinus Torvalds { 150c097a39cSGeert Uytterhoeven char switches[COMMAND_LINE_SIZE]; 1511da177e4SLinus Torvalds char *p; 1521da177e4SLinus Torvalds int ovsc_shift; 1531da177e4SLinus Torvalds char *args = switches; 1541da177e4SLinus Torvalds 155d6713b40SRoman Zippel if (!MACH_IS_ATARI) 156d6713b40SRoman Zippel return 0; 157d6713b40SRoman Zippel 1581da177e4SLinus Torvalds /* copy string to local array, strsep works destructively... */ 159d6713b40SRoman Zippel strcpy(switches, str); 1601da177e4SLinus Torvalds atari_switches = 0; 1611da177e4SLinus Torvalds 1621da177e4SLinus Torvalds /* parse the options */ 1631da177e4SLinus Torvalds while ((p = strsep(&args, ",")) != NULL) { 1646ff5801aSRoman Zippel if (!*p) 1656ff5801aSRoman Zippel continue; 1661da177e4SLinus Torvalds ovsc_shift = 0; 1671da177e4SLinus Torvalds if (strncmp(p, "ov_", 3) == 0) { 1681da177e4SLinus Torvalds p += 3; 1691da177e4SLinus Torvalds ovsc_shift = ATARI_SWITCH_OVSC_SHIFT; 1701da177e4SLinus Torvalds } 1711da177e4SLinus Torvalds 1721da177e4SLinus Torvalds if (strcmp(p, "ikbd") == 0) { 1731da177e4SLinus Torvalds /* RTS line of IKBD ACIA */ 1741da177e4SLinus Torvalds atari_switches |= ATARI_SWITCH_IKBD << ovsc_shift; 1756ff5801aSRoman Zippel } else if (strcmp(p, "midi") == 0) { 1761da177e4SLinus Torvalds /* RTS line of MIDI ACIA */ 1771da177e4SLinus Torvalds atari_switches |= ATARI_SWITCH_MIDI << ovsc_shift; 1786ff5801aSRoman Zippel } else if (strcmp(p, "snd6") == 0) { 1791da177e4SLinus Torvalds atari_switches |= ATARI_SWITCH_SND6 << ovsc_shift; 1806ff5801aSRoman Zippel } else if (strcmp(p, "snd7") == 0) { 1811da177e4SLinus Torvalds atari_switches |= ATARI_SWITCH_SND7 << ovsc_shift; 1821da177e4SLinus Torvalds } 1831da177e4SLinus Torvalds } 184d6713b40SRoman Zippel return 0; 1851da177e4SLinus Torvalds } 1861da177e4SLinus Torvalds 187d6713b40SRoman Zippel early_param("switches", atari_switches_setup); 188d6713b40SRoman Zippel 1891da177e4SLinus Torvalds 1901da177e4SLinus Torvalds /* 1911da177e4SLinus Torvalds * Setup the Atari configuration info 1921da177e4SLinus Torvalds */ 1931da177e4SLinus Torvalds 1941da177e4SLinus Torvalds void __init config_atari(void) 1951da177e4SLinus Torvalds { 1961da177e4SLinus Torvalds unsigned short tos_version; 1971da177e4SLinus Torvalds 1981da177e4SLinus Torvalds memset(&atari_hw_present, 0, sizeof(atari_hw_present)); 1991da177e4SLinus Torvalds 2006ff5801aSRoman Zippel /* Change size of I/O space from 64KB to 4GB. */ 2016ff5801aSRoman Zippel ioport_resource.end = 0xFFFFFFFF; 2021da177e4SLinus Torvalds 2031da177e4SLinus Torvalds mach_sched_init = atari_sched_init; 2041da177e4SLinus Torvalds mach_init_IRQ = atari_init_IRQ; 2051da177e4SLinus Torvalds mach_get_model = atari_get_model; 2061da177e4SLinus Torvalds mach_get_hardware_list = atari_get_hardware_list; 2071da177e4SLinus Torvalds mach_reset = atari_reset; 2081da177e4SLinus Torvalds mach_max_dma_address = 0xffffff; 209a1a9e88fSGeert Uytterhoeven #if IS_ENABLED(CONFIG_INPUT_M68K_BEEP) 2101da177e4SLinus Torvalds mach_beep = atari_mksound; 2111da177e4SLinus Torvalds #endif 2121da177e4SLinus Torvalds #ifdef CONFIG_HEARTBEAT 2131da177e4SLinus Torvalds mach_heartbeat = atari_heartbeat; 2141da177e4SLinus Torvalds #endif 2151da177e4SLinus Torvalds 2161da177e4SLinus Torvalds /* Set switches as requested by the user */ 2171da177e4SLinus Torvalds if (atari_switches & ATARI_SWITCH_IKBD) 2181da177e4SLinus Torvalds acia.key_ctrl = ACIA_DIV64 | ACIA_D8N1S | ACIA_RHTID; 2191da177e4SLinus Torvalds if (atari_switches & ATARI_SWITCH_MIDI) 2201da177e4SLinus Torvalds acia.mid_ctrl = ACIA_DIV16 | ACIA_D8N1S | ACIA_RHTID; 2211da177e4SLinus Torvalds if (atari_switches & (ATARI_SWITCH_SND6|ATARI_SWITCH_SND7)) { 2221da177e4SLinus Torvalds sound_ym.rd_data_reg_sel = 14; 2231da177e4SLinus Torvalds sound_ym.wd_data = sound_ym.rd_data_reg_sel | 2241da177e4SLinus Torvalds ((atari_switches&ATARI_SWITCH_SND6) ? 0x40 : 0) | 2251da177e4SLinus Torvalds ((atari_switches&ATARI_SWITCH_SND7) ? 0x80 : 0); 2261da177e4SLinus Torvalds } 2271da177e4SLinus Torvalds 2281da177e4SLinus Torvalds /* ++bjoern: 2291da177e4SLinus Torvalds * Determine hardware present 2301da177e4SLinus Torvalds */ 2311da177e4SLinus Torvalds 2326d7919a7SGeert Uytterhoeven pr_info("Atari hardware found:"); 23329c8a246SAdrian Bunk if (MACH_IS_MEDUSA) { 2341da177e4SLinus Torvalds /* There's no Atari video hardware on the Medusa, but all the 2351da177e4SLinus Torvalds * addresses below generate a DTACK so no bus error occurs! */ 2366ff5801aSRoman Zippel } else if (hwreg_present(f030_xreg)) { 2371da177e4SLinus Torvalds ATARIHW_SET(VIDEL_SHIFTER); 2386d7919a7SGeert Uytterhoeven pr_cont(" VIDEL"); 2391da177e4SLinus Torvalds /* This is a temporary hack: If there is Falcon video 2401da177e4SLinus Torvalds * hardware, we assume that the ST-DMA serves SCSI instead of 2411da177e4SLinus Torvalds * ACSI. In the future, there should be a better method for 2421da177e4SLinus Torvalds * this... 2431da177e4SLinus Torvalds */ 2441da177e4SLinus Torvalds ATARIHW_SET(ST_SCSI); 2456d7919a7SGeert Uytterhoeven pr_cont(" STDMA-SCSI"); 2466ff5801aSRoman Zippel } else if (hwreg_present(tt_palette)) { 2471da177e4SLinus Torvalds ATARIHW_SET(TT_SHIFTER); 2486d7919a7SGeert Uytterhoeven pr_cont(" TT_SHIFTER"); 249053b5142SGeert Uytterhoeven } else if (hwreg_present(&shifter_st.bas_hi)) { 250053b5142SGeert Uytterhoeven if (hwreg_present(&shifter_st.bas_lo) && 251053b5142SGeert Uytterhoeven (shifter_st.bas_lo = 0x0aau, shifter_st.bas_lo == 0x0aau)) { 2521da177e4SLinus Torvalds ATARIHW_SET(EXTD_SHIFTER); 2536d7919a7SGeert Uytterhoeven pr_cont(" EXTD_SHIFTER"); 2546ff5801aSRoman Zippel } else { 2551da177e4SLinus Torvalds ATARIHW_SET(STND_SHIFTER); 2566d7919a7SGeert Uytterhoeven pr_cont(" STND_SHIFTER"); 2571da177e4SLinus Torvalds } 2581da177e4SLinus Torvalds } 2593d92e8f3SGeert Uytterhoeven if (hwreg_present(&st_mfp.par_dt_reg)) { 2601da177e4SLinus Torvalds ATARIHW_SET(ST_MFP); 2616d7919a7SGeert Uytterhoeven pr_cont(" ST_MFP"); 2621da177e4SLinus Torvalds } 2631da177e4SLinus Torvalds if (hwreg_present(&tt_mfp.par_dt_reg)) { 2641da177e4SLinus Torvalds ATARIHW_SET(TT_MFP); 2656d7919a7SGeert Uytterhoeven pr_cont(" TT_MFP"); 2661da177e4SLinus Torvalds } 2671da177e4SLinus Torvalds if (hwreg_present(&tt_scsi_dma.dma_addr_hi)) { 2681da177e4SLinus Torvalds ATARIHW_SET(SCSI_DMA); 2696d7919a7SGeert Uytterhoeven pr_cont(" TT_SCSI_DMA"); 2701da177e4SLinus Torvalds } 2716ff5801aSRoman Zippel /* 2726ff5801aSRoman Zippel * The ST-DMA address registers aren't readable 2736ff5801aSRoman Zippel * on all Medusas, so the test below may fail 2746ff5801aSRoman Zippel */ 2756ff5801aSRoman Zippel if (MACH_IS_MEDUSA || 2761da177e4SLinus Torvalds (hwreg_present(&st_dma.dma_vhi) && 2771da177e4SLinus Torvalds (st_dma.dma_vhi = 0x55) && (st_dma.dma_hi = 0xaa) && 2781da177e4SLinus Torvalds st_dma.dma_vhi == 0x55 && st_dma.dma_hi == 0xaa && 2791da177e4SLinus Torvalds (st_dma.dma_vhi = 0xaa) && (st_dma.dma_hi = 0x55) && 2801da177e4SLinus Torvalds st_dma.dma_vhi == 0xaa && st_dma.dma_hi == 0x55)) { 2811da177e4SLinus Torvalds ATARIHW_SET(EXTD_DMA); 2826d7919a7SGeert Uytterhoeven pr_cont(" EXTD_DMA"); 2831da177e4SLinus Torvalds } 2841da177e4SLinus Torvalds if (hwreg_present(&tt_scsi.scsi_data)) { 2851da177e4SLinus Torvalds ATARIHW_SET(TT_SCSI); 2866d7919a7SGeert Uytterhoeven pr_cont(" TT_SCSI"); 2871da177e4SLinus Torvalds } 2881da177e4SLinus Torvalds if (hwreg_present(&sound_ym.rd_data_reg_sel)) { 2891da177e4SLinus Torvalds ATARIHW_SET(YM_2149); 2906d7919a7SGeert Uytterhoeven pr_cont(" YM2149"); 2911da177e4SLinus Torvalds } 29229c8a246SAdrian Bunk if (!MACH_IS_MEDUSA && hwreg_present(&tt_dmasnd.ctrl)) { 2931da177e4SLinus Torvalds ATARIHW_SET(PCM_8BIT); 2946d7919a7SGeert Uytterhoeven pr_cont(" PCM"); 2951da177e4SLinus Torvalds } 29629c8a246SAdrian Bunk if (hwreg_present(&falcon_codec.unused5)) { 2971da177e4SLinus Torvalds ATARIHW_SET(CODEC); 2986d7919a7SGeert Uytterhoeven pr_cont(" CODEC"); 2991da177e4SLinus Torvalds } 3001da177e4SLinus Torvalds if (hwreg_present(&dsp56k_host_interface.icr)) { 3011da177e4SLinus Torvalds ATARIHW_SET(DSP56K); 3026d7919a7SGeert Uytterhoeven pr_cont(" DSP56K"); 3031da177e4SLinus Torvalds } 3041da177e4SLinus Torvalds if (hwreg_present(&tt_scc_dma.dma_ctrl) && 3051da177e4SLinus Torvalds #if 0 3061da177e4SLinus Torvalds /* This test sucks! Who knows some better? */ 3071da177e4SLinus Torvalds (tt_scc_dma.dma_ctrl = 0x01, (tt_scc_dma.dma_ctrl & 1) == 1) && 3081da177e4SLinus Torvalds (tt_scc_dma.dma_ctrl = 0x00, (tt_scc_dma.dma_ctrl & 1) == 0) 3091da177e4SLinus Torvalds #else 31029c8a246SAdrian Bunk !MACH_IS_MEDUSA 3111da177e4SLinus Torvalds #endif 3121da177e4SLinus Torvalds ) { 3131da177e4SLinus Torvalds ATARIHW_SET(SCC_DMA); 3146d7919a7SGeert Uytterhoeven pr_cont(" SCC_DMA"); 3151da177e4SLinus Torvalds } 316de339e4bSGeert Uytterhoeven if (scc_test(&atari_scc.cha_a_ctrl)) { 3171da177e4SLinus Torvalds ATARIHW_SET(SCC); 3186d7919a7SGeert Uytterhoeven pr_cont(" SCC"); 3191da177e4SLinus Torvalds } 3201da177e4SLinus Torvalds if (scc_test(&st_escc.cha_b_ctrl)) { 3211da177e4SLinus Torvalds ATARIHW_SET(ST_ESCC); 3226d7919a7SGeert Uytterhoeven pr_cont(" ST_ESCC"); 3231da177e4SLinus Torvalds } 32429c8a246SAdrian Bunk if (hwreg_present(&tt_scu.sys_mask)) { 3251da177e4SLinus Torvalds ATARIHW_SET(SCU); 3261da177e4SLinus Torvalds /* Assume a VME bus if there's a SCU */ 3271da177e4SLinus Torvalds ATARIHW_SET(VME); 3286d7919a7SGeert Uytterhoeven pr_cont(" VME SCU"); 3291da177e4SLinus Torvalds } 3301da177e4SLinus Torvalds if (hwreg_present((void *)(0xffff9210))) { 3311da177e4SLinus Torvalds ATARIHW_SET(ANALOG_JOY); 3326d7919a7SGeert Uytterhoeven pr_cont(" ANALOG_JOY"); 3331da177e4SLinus Torvalds } 33429c8a246SAdrian Bunk if (hwreg_present(blitter.halftone)) { 3351da177e4SLinus Torvalds ATARIHW_SET(BLITTER); 3366d7919a7SGeert Uytterhoeven pr_cont(" BLITTER"); 3371da177e4SLinus Torvalds } 3381da177e4SLinus Torvalds if (hwreg_present((void *)0xfff00039)) { 3391da177e4SLinus Torvalds ATARIHW_SET(IDE); 3406d7919a7SGeert Uytterhoeven pr_cont(" IDE"); 3411da177e4SLinus Torvalds } 3421da177e4SLinus Torvalds #if 1 /* This maybe wrong */ 34329c8a246SAdrian Bunk if (!MACH_IS_MEDUSA && hwreg_present(&tt_microwire.data) && 3441da177e4SLinus Torvalds hwreg_present(&tt_microwire.mask) && 3451da177e4SLinus Torvalds (tt_microwire.mask = 0x7ff, 3461da177e4SLinus Torvalds udelay(1), 3471da177e4SLinus Torvalds tt_microwire.data = MW_LM1992_PSG_HIGH | MW_LM1992_ADDR, 3481da177e4SLinus Torvalds udelay(1), 3491da177e4SLinus Torvalds tt_microwire.data != 0)) { 3501da177e4SLinus Torvalds ATARIHW_SET(MICROWIRE); 3516ff5801aSRoman Zippel while (tt_microwire.mask != 0x7ff) 3526ff5801aSRoman Zippel ; 3536d7919a7SGeert Uytterhoeven pr_cont(" MICROWIRE"); 3541da177e4SLinus Torvalds } 3551da177e4SLinus Torvalds #endif 3561da177e4SLinus Torvalds if (hwreg_present(&tt_rtc.regsel)) { 3571da177e4SLinus Torvalds ATARIHW_SET(TT_CLK); 3586d7919a7SGeert Uytterhoeven pr_cont(" TT_CLK"); 3591da177e4SLinus Torvalds mach_hwclk = atari_tt_hwclk; 3601da177e4SLinus Torvalds } 36129c8a246SAdrian Bunk if (hwreg_present(&mste_rtc.sec_ones)) { 3621da177e4SLinus Torvalds ATARIHW_SET(MSTE_CLK); 3636d7919a7SGeert Uytterhoeven pr_cont(" MSTE_CLK"); 3641da177e4SLinus Torvalds mach_hwclk = atari_mste_hwclk; 3651da177e4SLinus Torvalds } 36629c8a246SAdrian Bunk if (!MACH_IS_MEDUSA && hwreg_present(&dma_wd.fdc_speed) && 3671da177e4SLinus Torvalds hwreg_write(&dma_wd.fdc_speed, 0)) { 3681da177e4SLinus Torvalds ATARIHW_SET(FDCSPEED); 3696d7919a7SGeert Uytterhoeven pr_cont(" FDC_SPEED"); 3701da177e4SLinus Torvalds } 37129c8a246SAdrian Bunk if (!ATARIHW_PRESENT(ST_SCSI)) { 3721da177e4SLinus Torvalds ATARIHW_SET(ACSI); 3736d7919a7SGeert Uytterhoeven pr_cont(" ACSI"); 3741da177e4SLinus Torvalds } 3756d7919a7SGeert Uytterhoeven pr_cont("\n"); 3761da177e4SLinus Torvalds 3771da177e4SLinus Torvalds if (CPU_IS_040_OR_060) 3781da177e4SLinus Torvalds /* Now it seems to be safe to turn of the tt0 transparent 3791da177e4SLinus Torvalds * translation (the one that must not be turned off in 3801da177e4SLinus Torvalds * head.S...) 3811da177e4SLinus Torvalds */ 3826ff5801aSRoman Zippel asm volatile ("\n" 3836ff5801aSRoman Zippel " moveq #0,%%d0\n" 3846ff5801aSRoman Zippel " .chip 68040\n" 3856ff5801aSRoman Zippel " movec %%d0,%%itt0\n" 3866ff5801aSRoman Zippel " movec %%d0,%%dtt0\n" 3871da177e4SLinus Torvalds " .chip 68k" 3881da177e4SLinus Torvalds : /* no outputs */ 3891da177e4SLinus Torvalds : /* no inputs */ 3901da177e4SLinus Torvalds : "d0"); 3911da177e4SLinus Torvalds 3921da177e4SLinus Torvalds /* allocator for memory that must reside in st-ram */ 3931da177e4SLinus Torvalds atari_stram_init(); 3941da177e4SLinus Torvalds 3951da177e4SLinus Torvalds /* Set up a mapping for the VMEbus address region: 3961da177e4SLinus Torvalds * 3971da177e4SLinus Torvalds * VME is either at phys. 0xfexxxxxx (TT) or 0xa00000..0xdfffff 3981da177e4SLinus Torvalds * (MegaSTE) In both cases, the whole 16 MB chunk is mapped at 3991da177e4SLinus Torvalds * 0xfe000000 virt., because this can be done with a single 4001da177e4SLinus Torvalds * transparent translation. On the 68040, lots of often unused 4011da177e4SLinus Torvalds * page tables would be needed otherwise. On a MegaSTE or similar, 4021da177e4SLinus Torvalds * the highest byte is stripped off by hardware due to the 24 bit 4031da177e4SLinus Torvalds * design of the bus. 4041da177e4SLinus Torvalds */ 4051da177e4SLinus Torvalds 4061da177e4SLinus Torvalds if (CPU_IS_020_OR_030) { 4071da177e4SLinus Torvalds unsigned long tt1_val; 4081da177e4SLinus Torvalds tt1_val = 0xfe008543; /* Translate 0xfexxxxxx, enable, cache 4091da177e4SLinus Torvalds * inhibit, read and write, FDC mask = 3, 4101da177e4SLinus Torvalds * FDC val = 4 -> Supervisor only */ 4116ff5801aSRoman Zippel asm volatile ("\n" 4126ff5801aSRoman Zippel " .chip 68030\n" 4132a353506SAndreas Schwab " pmove %0,%/tt1\n" 4141da177e4SLinus Torvalds " .chip 68k" 4152a353506SAndreas Schwab : : "m" (tt1_val)); 4166ff5801aSRoman Zippel } else { 4176ff5801aSRoman Zippel asm volatile ("\n" 4186ff5801aSRoman Zippel " .chip 68040\n" 4196ff5801aSRoman Zippel " movec %0,%%itt1\n" 4206ff5801aSRoman Zippel " movec %0,%%dtt1\n" 4211da177e4SLinus Torvalds " .chip 68k" 4221da177e4SLinus Torvalds : 4236ff5801aSRoman Zippel : "d" (0xfe00a040)); /* Translate 0xfexxxxxx, enable, 4241da177e4SLinus Torvalds * supervisor only, non-cacheable/ 4251da177e4SLinus Torvalds * serialized, writable */ 4261da177e4SLinus Torvalds 4271da177e4SLinus Torvalds } 4281da177e4SLinus Torvalds 4291da177e4SLinus Torvalds /* Fetch tos version at Physical 2 */ 4306ff5801aSRoman Zippel /* 4316ff5801aSRoman Zippel * We my not be able to access this address if the kernel is 4326ff5801aSRoman Zippel * loaded to st ram, since the first page is unmapped. On the 4336ff5801aSRoman Zippel * Medusa this is always the case and there is nothing we can do 4346ff5801aSRoman Zippel * about this, so we just assume the smaller offset. For the TT 4356ff5801aSRoman Zippel * we use the fact that in head.S we have set up a mapping 4366ff5801aSRoman Zippel * 0xFFxxxxxx -> 0x00xxxxxx, so that the first 16MB is accessible 4376ff5801aSRoman Zippel * in the last 16MB of the address space. 4386ff5801aSRoman Zippel */ 43929c8a246SAdrian Bunk tos_version = (MACH_IS_MEDUSA) ? 4401da177e4SLinus Torvalds 0xfff : *(unsigned short *)0xff000002; 4411da177e4SLinus Torvalds atari_rtc_year_offset = (tos_version < 0x306) ? 70 : 68; 4421da177e4SLinus Torvalds } 4431da177e4SLinus Torvalds 4441da177e4SLinus Torvalds #ifdef CONFIG_HEARTBEAT 4451da177e4SLinus Torvalds static void atari_heartbeat(int on) 4461da177e4SLinus Torvalds { 4471da177e4SLinus Torvalds unsigned char tmp; 4481da177e4SLinus Torvalds unsigned long flags; 4491da177e4SLinus Torvalds 4501da177e4SLinus Torvalds if (atari_dont_touch_floppy_select) 4511da177e4SLinus Torvalds return; 4521da177e4SLinus Torvalds 4531da177e4SLinus Torvalds local_irq_save(flags); 4541da177e4SLinus Torvalds sound_ym.rd_data_reg_sel = 14; /* Select PSG Port A */ 4551da177e4SLinus Torvalds tmp = sound_ym.rd_data_reg_sel; 4561da177e4SLinus Torvalds sound_ym.wd_data = on ? (tmp & ~0x02) : (tmp | 0x02); 4571da177e4SLinus Torvalds local_irq_restore(flags); 4581da177e4SLinus Torvalds } 4591da177e4SLinus Torvalds #endif 4601da177e4SLinus Torvalds 4611da177e4SLinus Torvalds /* ++roman: 4621da177e4SLinus Torvalds * 4631da177e4SLinus Torvalds * This function does a reset on machines that lack the ability to 4641da177e4SLinus Torvalds * assert the processor's _RESET signal somehow via hardware. It is 4651da177e4SLinus Torvalds * based on the fact that you can find the initial SP and PC values 4661da177e4SLinus Torvalds * after a reset at physical addresses 0 and 4. This works pretty well 4671da177e4SLinus Torvalds * for Atari machines, since the lowest 8 bytes of physical memory are 4681da177e4SLinus Torvalds * really ROM (mapped by hardware). For other 680x0 machines: don't 4691da177e4SLinus Torvalds * know if it works... 4701da177e4SLinus Torvalds * 4711da177e4SLinus Torvalds * To get the values at addresses 0 and 4, the MMU better is turned 4721da177e4SLinus Torvalds * off first. After that, we have to jump into physical address space 4731da177e4SLinus Torvalds * (the PC before the pmove statement points to the virtual address of 4741da177e4SLinus Torvalds * the code). Getting that physical address is not hard, but the code 4751da177e4SLinus Torvalds * becomes a bit complex since I've tried to ensure that the jump 4761da177e4SLinus Torvalds * statement after the pmove is in the cache already (otherwise the 4771da177e4SLinus Torvalds * processor can't fetch it!). For that, the code first jumps to the 4781da177e4SLinus Torvalds * jump statement with the (virtual) address of the pmove section in 4791da177e4SLinus Torvalds * an address register . The jump statement is surely in the cache 4801da177e4SLinus Torvalds * now. After that, that physical address of the reset code is loaded 4811da177e4SLinus Torvalds * into the same address register, pmove is done and the same jump 4821da177e4SLinus Torvalds * statements goes to the reset code. Since there are not many 4831da177e4SLinus Torvalds * statements between the two jumps, I hope it stays in the cache. 4841da177e4SLinus Torvalds * 4851da177e4SLinus Torvalds * The C code makes heavy use of the GCC features that you can get the 4861da177e4SLinus Torvalds * address of a C label. No hope to compile this with another compiler 4871da177e4SLinus Torvalds * than GCC! 4881da177e4SLinus Torvalds */ 4891da177e4SLinus Torvalds 4901da177e4SLinus Torvalds /* ++andreas: no need for complicated code, just depend on prefetch */ 4911da177e4SLinus Torvalds 4921da177e4SLinus Torvalds static void atari_reset(void) 4931da177e4SLinus Torvalds { 4941da177e4SLinus Torvalds long tc_val = 0; 4951da177e4SLinus Torvalds long reset_addr; 4961da177e4SLinus Torvalds 4976ff5801aSRoman Zippel /* 4986ff5801aSRoman Zippel * On the Medusa, phys. 0x4 may contain garbage because it's no 4996ff5801aSRoman Zippel * ROM. See above for explanation why we cannot use PTOV(4). 5006ff5801aSRoman Zippel */ 50129c8a246SAdrian Bunk reset_addr = MACH_IS_MEDUSA || MACH_IS_AB40 ? 0xe00030 : 5021da177e4SLinus Torvalds *(unsigned long *) 0xff000004; 5031da177e4SLinus Torvalds 5041da177e4SLinus Torvalds /* reset ACIA for switch off OverScan, if it's active */ 5051da177e4SLinus Torvalds if (atari_switches & ATARI_SWITCH_OVSC_IKBD) 5061da177e4SLinus Torvalds acia.key_ctrl = ACIA_RESET; 5071da177e4SLinus Torvalds if (atari_switches & ATARI_SWITCH_OVSC_MIDI) 5081da177e4SLinus Torvalds acia.mid_ctrl = ACIA_RESET; 5091da177e4SLinus Torvalds 5101da177e4SLinus Torvalds /* processor independent: turn off interrupts and reset the VBR; 5111da177e4SLinus Torvalds * the caches must be left enabled, else prefetching the final jump 5126ff5801aSRoman Zippel * instruction doesn't work. 5136ff5801aSRoman Zippel */ 5141da177e4SLinus Torvalds local_irq_disable(); 5156ff5801aSRoman Zippel asm volatile ("movec %0,%%vbr" 5166ff5801aSRoman Zippel : : "d" (0)); 5171da177e4SLinus Torvalds 5181da177e4SLinus Torvalds if (CPU_IS_040_OR_060) { 5191da177e4SLinus Torvalds unsigned long jmp_addr040 = virt_to_phys(&&jmp_addr_label040); 5201da177e4SLinus Torvalds if (CPU_IS_060) { 5211da177e4SLinus Torvalds /* 68060: clear PCR to turn off superscalar operation */ 5226ff5801aSRoman Zippel asm volatile ("\n" 5236ff5801aSRoman Zippel " .chip 68060\n" 5246ff5801aSRoman Zippel " movec %0,%%pcr\n" 5251da177e4SLinus Torvalds " .chip 68k" 5266ff5801aSRoman Zippel : : "d" (0)); 5271da177e4SLinus Torvalds } 5281da177e4SLinus Torvalds 5296ff5801aSRoman Zippel asm volatile ("\n" 5306ff5801aSRoman Zippel " move.l %0,%%d0\n" 5316ff5801aSRoman Zippel " and.l #0xff000000,%%d0\n" 5326ff5801aSRoman Zippel " or.w #0xe020,%%d0\n" /* map 16 MB, enable, cacheable */ 5336ff5801aSRoman Zippel " .chip 68040\n" 5346ff5801aSRoman Zippel " movec %%d0,%%itt0\n" 5356ff5801aSRoman Zippel " movec %%d0,%%dtt0\n" 5366ff5801aSRoman Zippel " .chip 68k\n" 5376ff5801aSRoman Zippel " jmp %0@" 5386ff5801aSRoman Zippel : : "a" (jmp_addr040) 5391da177e4SLinus Torvalds : "d0"); 5401da177e4SLinus Torvalds jmp_addr_label040: 5416ff5801aSRoman Zippel asm volatile ("\n" 5426ff5801aSRoman Zippel " moveq #0,%%d0\n" 5436ff5801aSRoman Zippel " nop\n" 5446ff5801aSRoman Zippel " .chip 68040\n" 5456ff5801aSRoman Zippel " cinva %%bc\n" 5466ff5801aSRoman Zippel " nop\n" 5476ff5801aSRoman Zippel " pflusha\n" 5486ff5801aSRoman Zippel " nop\n" 5496ff5801aSRoman Zippel " movec %%d0,%%tc\n" 5506ff5801aSRoman Zippel " nop\n" 5511da177e4SLinus Torvalds /* the following setup of transparent translations is needed on the 5521da177e4SLinus Torvalds * Afterburner040 to successfully reboot. Other machines shouldn't 5531da177e4SLinus Torvalds * care about a different tt regs setup, they also didn't care in 5541da177e4SLinus Torvalds * the past that the regs weren't turned off. */ 5556ff5801aSRoman Zippel " move.l #0xffc000,%%d0\n" /* whole insn space cacheable */ 5566ff5801aSRoman Zippel " movec %%d0,%%itt0\n" 5576ff5801aSRoman Zippel " movec %%d0,%%itt1\n" 5586ff5801aSRoman Zippel " or.w #0x40,%/d0\n" /* whole data space non-cacheable/ser. */ 5596ff5801aSRoman Zippel " movec %%d0,%%dtt0\n" 5606ff5801aSRoman Zippel " movec %%d0,%%dtt1\n" 5616ff5801aSRoman Zippel " .chip 68k\n" 5621da177e4SLinus Torvalds " jmp %0@" 5631da177e4SLinus Torvalds : /* no outputs */ 5641da177e4SLinus Torvalds : "a" (reset_addr) 5651da177e4SLinus Torvalds : "d0"); 5666ff5801aSRoman Zippel } else 5676ff5801aSRoman Zippel asm volatile ("\n" 5682a353506SAndreas Schwab " pmove %0,%%tc\n" 5691da177e4SLinus Torvalds " jmp %1@" 5701da177e4SLinus Torvalds : /* no outputs */ 5712a353506SAndreas Schwab : "m" (tc_val), "a" (reset_addr)); 5721da177e4SLinus Torvalds } 5731da177e4SLinus Torvalds 5741da177e4SLinus Torvalds 5751da177e4SLinus Torvalds static void atari_get_model(char *model) 5761da177e4SLinus Torvalds { 5771da177e4SLinus Torvalds strcpy(model, "Atari "); 5781da177e4SLinus Torvalds switch (atari_mch_cookie >> 16) { 5791da177e4SLinus Torvalds case ATARI_MCH_ST: 5801da177e4SLinus Torvalds if (ATARIHW_PRESENT(MSTE_CLK)) 5811da177e4SLinus Torvalds strcat(model, "Mega ST"); 5821da177e4SLinus Torvalds else 5831da177e4SLinus Torvalds strcat(model, "ST"); 5841da177e4SLinus Torvalds break; 5851da177e4SLinus Torvalds case ATARI_MCH_STE: 5861da177e4SLinus Torvalds if (MACH_IS_MSTE) 5871da177e4SLinus Torvalds strcat(model, "Mega STE"); 5881da177e4SLinus Torvalds else 5891da177e4SLinus Torvalds strcat(model, "STE"); 5901da177e4SLinus Torvalds break; 5911da177e4SLinus Torvalds case ATARI_MCH_TT: 5921da177e4SLinus Torvalds if (MACH_IS_MEDUSA) 5931da177e4SLinus Torvalds /* Medusa has TT _MCH cookie */ 5941da177e4SLinus Torvalds strcat(model, "Medusa"); 5951da177e4SLinus Torvalds else 5961da177e4SLinus Torvalds strcat(model, "TT"); 5971da177e4SLinus Torvalds break; 5981da177e4SLinus Torvalds case ATARI_MCH_FALCON: 5991da177e4SLinus Torvalds strcat(model, "Falcon"); 6001da177e4SLinus Torvalds if (MACH_IS_AB40) 6011da177e4SLinus Torvalds strcat(model, " (with Afterburner040)"); 6021da177e4SLinus Torvalds break; 6031da177e4SLinus Torvalds default: 6041da177e4SLinus Torvalds sprintf(model + strlen(model), "(unknown mach cookie 0x%lx)", 6051da177e4SLinus Torvalds atari_mch_cookie); 6061da177e4SLinus Torvalds break; 6071da177e4SLinus Torvalds } 6081da177e4SLinus Torvalds } 6091da177e4SLinus Torvalds 6101da177e4SLinus Torvalds 611813dcf7aSAlexey Dobriyan static void atari_get_hardware_list(struct seq_file *m) 6121da177e4SLinus Torvalds { 613813dcf7aSAlexey Dobriyan int i; 6141da177e4SLinus Torvalds 6151da177e4SLinus Torvalds for (i = 0; i < m68k_num_memory; i++) 616813dcf7aSAlexey Dobriyan seq_printf(m, "\t%3ld MB at 0x%08lx (%s)\n", 6171da177e4SLinus Torvalds m68k_memory[i].size >> 20, m68k_memory[i].addr, 6181da177e4SLinus Torvalds (m68k_memory[i].addr & 0xff000000 ? 6191da177e4SLinus Torvalds "alternate RAM" : "ST-RAM")); 6201da177e4SLinus Torvalds 6211da177e4SLinus Torvalds #define ATARIHW_ANNOUNCE(name, str) \ 6221da177e4SLinus Torvalds if (ATARIHW_PRESENT(name)) \ 623813dcf7aSAlexey Dobriyan seq_printf(m, "\t%s\n", str) 6241da177e4SLinus Torvalds 625ad595b77SMarkus Elfring seq_puts(m, "Detected hardware:\n"); 6261da177e4SLinus Torvalds ATARIHW_ANNOUNCE(STND_SHIFTER, "ST Shifter"); 6271da177e4SLinus Torvalds ATARIHW_ANNOUNCE(EXTD_SHIFTER, "STe Shifter"); 6281da177e4SLinus Torvalds ATARIHW_ANNOUNCE(TT_SHIFTER, "TT Shifter"); 6291da177e4SLinus Torvalds ATARIHW_ANNOUNCE(VIDEL_SHIFTER, "Falcon Shifter"); 6301da177e4SLinus Torvalds ATARIHW_ANNOUNCE(YM_2149, "Programmable Sound Generator"); 6311da177e4SLinus Torvalds ATARIHW_ANNOUNCE(PCM_8BIT, "PCM 8 Bit Sound"); 6321da177e4SLinus Torvalds ATARIHW_ANNOUNCE(CODEC, "CODEC Sound"); 6331da177e4SLinus Torvalds ATARIHW_ANNOUNCE(TT_SCSI, "SCSI Controller NCR5380 (TT style)"); 6341da177e4SLinus Torvalds ATARIHW_ANNOUNCE(ST_SCSI, "SCSI Controller NCR5380 (Falcon style)"); 6351da177e4SLinus Torvalds ATARIHW_ANNOUNCE(ACSI, "ACSI Interface"); 6361da177e4SLinus Torvalds ATARIHW_ANNOUNCE(IDE, "IDE Interface"); 6371da177e4SLinus Torvalds ATARIHW_ANNOUNCE(FDCSPEED, "8/16 Mhz Switch for FDC"); 6381da177e4SLinus Torvalds ATARIHW_ANNOUNCE(ST_MFP, "Multi Function Peripheral MFP 68901"); 6391da177e4SLinus Torvalds ATARIHW_ANNOUNCE(TT_MFP, "Second Multi Function Peripheral MFP 68901"); 6401da177e4SLinus Torvalds ATARIHW_ANNOUNCE(SCC, "Serial Communications Controller SCC 8530"); 6411da177e4SLinus Torvalds ATARIHW_ANNOUNCE(ST_ESCC, "Extended Serial Communications Controller SCC 85230"); 6421da177e4SLinus Torvalds ATARIHW_ANNOUNCE(ANALOG_JOY, "Paddle Interface"); 6431da177e4SLinus Torvalds ATARIHW_ANNOUNCE(MICROWIRE, "MICROWIRE(tm) Interface"); 6441da177e4SLinus Torvalds ATARIHW_ANNOUNCE(STND_DMA, "DMA Controller (24 bit)"); 6451da177e4SLinus Torvalds ATARIHW_ANNOUNCE(EXTD_DMA, "DMA Controller (32 bit)"); 6461da177e4SLinus Torvalds ATARIHW_ANNOUNCE(SCSI_DMA, "DMA Controller for NCR5380"); 6471da177e4SLinus Torvalds ATARIHW_ANNOUNCE(SCC_DMA, "DMA Controller for SCC"); 6481da177e4SLinus Torvalds ATARIHW_ANNOUNCE(TT_CLK, "Clock Chip MC146818A"); 6491da177e4SLinus Torvalds ATARIHW_ANNOUNCE(MSTE_CLK, "Clock Chip RP5C15"); 6501da177e4SLinus Torvalds ATARIHW_ANNOUNCE(SCU, "System Control Unit"); 6511da177e4SLinus Torvalds ATARIHW_ANNOUNCE(BLITTER, "Blitter"); 6521da177e4SLinus Torvalds ATARIHW_ANNOUNCE(VME, "VME Bus"); 6531da177e4SLinus Torvalds ATARIHW_ANNOUNCE(DSP56K, "DSP56001 processor"); 6541da177e4SLinus Torvalds } 655736b24dbSMichael Schmitz 656736b24dbSMichael Schmitz /* 657736b24dbSMichael Schmitz * MSch: initial platform device support for Atari, 65801a18d16SMichael Schmitz * required for EtherNAT/EtherNEC/NetUSBee drivers 659736b24dbSMichael Schmitz */ 660736b24dbSMichael Schmitz 66101a18d16SMichael Schmitz #if defined(CONFIG_ATARI_ETHERNAT) || defined(CONFIG_ATARI_ETHERNEC) 66201a18d16SMichael Schmitz static void isp1160_delay(struct device *dev, int delay) 66301a18d16SMichael Schmitz { 66401a18d16SMichael Schmitz ndelay(delay); 66501a18d16SMichael Schmitz } 66601a18d16SMichael Schmitz #endif 66701a18d16SMichael Schmitz 668736b24dbSMichael Schmitz #ifdef CONFIG_ATARI_ETHERNAT 669736b24dbSMichael Schmitz /* 670736b24dbSMichael Schmitz * EtherNAT: SMC91C111 Ethernet chipset, handled by smc91x driver 671736b24dbSMichael Schmitz */ 672736b24dbSMichael Schmitz 673736b24dbSMichael Schmitz #define ATARI_ETHERNAT_IRQ 140 674736b24dbSMichael Schmitz 675736b24dbSMichael Schmitz static struct resource smc91x_resources[] = { 676736b24dbSMichael Schmitz [0] = { 677736b24dbSMichael Schmitz .name = "smc91x-regs", 678736b24dbSMichael Schmitz .start = ATARI_ETHERNAT_PHYS_ADDR, 679736b24dbSMichael Schmitz .end = ATARI_ETHERNAT_PHYS_ADDR + 0xfffff, 680736b24dbSMichael Schmitz .flags = IORESOURCE_MEM, 681736b24dbSMichael Schmitz }, 682736b24dbSMichael Schmitz [1] = { 683736b24dbSMichael Schmitz .name = "smc91x-irq", 684736b24dbSMichael Schmitz .start = ATARI_ETHERNAT_IRQ, 685736b24dbSMichael Schmitz .end = ATARI_ETHERNAT_IRQ, 686736b24dbSMichael Schmitz .flags = IORESOURCE_IRQ, 687736b24dbSMichael Schmitz }, 688736b24dbSMichael Schmitz }; 689736b24dbSMichael Schmitz 690736b24dbSMichael Schmitz static struct platform_device smc91x_device = { 691736b24dbSMichael Schmitz .name = "smc91x", 692736b24dbSMichael Schmitz .id = -1, 693736b24dbSMichael Schmitz .num_resources = ARRAY_SIZE(smc91x_resources), 694736b24dbSMichael Schmitz .resource = smc91x_resources, 695736b24dbSMichael Schmitz }; 696736b24dbSMichael Schmitz 69701a18d16SMichael Schmitz /* 69801a18d16SMichael Schmitz * ISP 1160 - using the isp116x-hcd module 69901a18d16SMichael Schmitz */ 70001a18d16SMichael Schmitz 70101a18d16SMichael Schmitz #define ATARI_USB_PHYS_ADDR 0x80000012 70201a18d16SMichael Schmitz #define ATARI_USB_IRQ 139 70301a18d16SMichael Schmitz 70401a18d16SMichael Schmitz static struct resource isp1160_resources[] = { 70501a18d16SMichael Schmitz [0] = { 70601a18d16SMichael Schmitz .name = "isp1160-data", 70701a18d16SMichael Schmitz .start = ATARI_USB_PHYS_ADDR, 70801a18d16SMichael Schmitz .end = ATARI_USB_PHYS_ADDR + 0x1, 70901a18d16SMichael Schmitz .flags = IORESOURCE_MEM, 71001a18d16SMichael Schmitz }, 71101a18d16SMichael Schmitz [1] = { 71201a18d16SMichael Schmitz .name = "isp1160-regs", 71301a18d16SMichael Schmitz .start = ATARI_USB_PHYS_ADDR + 0x4, 71401a18d16SMichael Schmitz .end = ATARI_USB_PHYS_ADDR + 0x5, 71501a18d16SMichael Schmitz .flags = IORESOURCE_MEM, 71601a18d16SMichael Schmitz }, 71701a18d16SMichael Schmitz [2] = { 71801a18d16SMichael Schmitz .name = "isp1160-irq", 71901a18d16SMichael Schmitz .start = ATARI_USB_IRQ, 72001a18d16SMichael Schmitz .end = ATARI_USB_IRQ, 72101a18d16SMichael Schmitz .flags = IORESOURCE_IRQ, 72201a18d16SMichael Schmitz }, 72301a18d16SMichael Schmitz }; 72401a18d16SMichael Schmitz 72501a18d16SMichael Schmitz /* (DataBusWidth16|AnalogOCEnable|DREQOutputPolarity|DownstreamPort15KRSel ) */ 72601a18d16SMichael Schmitz static struct isp116x_platform_data isp1160_platform_data = { 72701a18d16SMichael Schmitz /* Enable internal resistors on downstream ports */ 72801a18d16SMichael Schmitz .sel15Kres = 1, 72901a18d16SMichael Schmitz /* On-chip overcurrent protection */ 73001a18d16SMichael Schmitz .oc_enable = 1, 73101a18d16SMichael Schmitz /* INT output polarity */ 73201a18d16SMichael Schmitz .int_act_high = 1, 73301a18d16SMichael Schmitz /* INT edge or level triggered */ 73401a18d16SMichael Schmitz .int_edge_triggered = 0, 73501a18d16SMichael Schmitz 73601a18d16SMichael Schmitz /* WAKEUP pin connected - NOT SUPPORTED */ 73701a18d16SMichael Schmitz /* .remote_wakeup_connected = 0, */ 73801a18d16SMichael Schmitz /* Wakeup by devices on usb bus enabled */ 73901a18d16SMichael Schmitz .remote_wakeup_enable = 0, 74001a18d16SMichael Schmitz .delay = isp1160_delay, 74101a18d16SMichael Schmitz }; 74201a18d16SMichael Schmitz 74301a18d16SMichael Schmitz static struct platform_device isp1160_device = { 74401a18d16SMichael Schmitz .name = "isp116x-hcd", 74501a18d16SMichael Schmitz .id = 0, 74601a18d16SMichael Schmitz .num_resources = ARRAY_SIZE(isp1160_resources), 74701a18d16SMichael Schmitz .resource = isp1160_resources, 74801a18d16SMichael Schmitz .dev = { 74901a18d16SMichael Schmitz .platform_data = &isp1160_platform_data, 75001a18d16SMichael Schmitz }, 75101a18d16SMichael Schmitz }; 75201a18d16SMichael Schmitz 753736b24dbSMichael Schmitz static struct platform_device *atari_ethernat_devices[] __initdata = { 75401a18d16SMichael Schmitz &smc91x_device, 75501a18d16SMichael Schmitz &isp1160_device 756736b24dbSMichael Schmitz }; 757736b24dbSMichael Schmitz #endif /* CONFIG_ATARI_ETHERNAT */ 758736b24dbSMichael Schmitz 7591d87a8f2SMichael Schmitz #ifdef CONFIG_ATARI_ETHERNEC 7601d87a8f2SMichael Schmitz /* 7611d87a8f2SMichael Schmitz * EtherNEC: RTL8019 (NE2000 compatible) Ethernet chipset, 7621d87a8f2SMichael Schmitz * handled by ne.c driver 7631d87a8f2SMichael Schmitz */ 7641d87a8f2SMichael Schmitz 7651d87a8f2SMichael Schmitz #define ATARI_ETHERNEC_PHYS_ADDR 0xfffa0000 7661d87a8f2SMichael Schmitz #define ATARI_ETHERNEC_BASE 0x300 7671d87a8f2SMichael Schmitz #define ATARI_ETHERNEC_IRQ IRQ_MFP_TIMER1 7681d87a8f2SMichael Schmitz 7691d87a8f2SMichael Schmitz static struct resource rtl8019_resources[] = { 7701d87a8f2SMichael Schmitz [0] = { 7711d87a8f2SMichael Schmitz .name = "rtl8019-regs", 7721d87a8f2SMichael Schmitz .start = ATARI_ETHERNEC_BASE, 7731d87a8f2SMichael Schmitz .end = ATARI_ETHERNEC_BASE + 0x20 - 1, 7741d87a8f2SMichael Schmitz .flags = IORESOURCE_IO, 7751d87a8f2SMichael Schmitz }, 7761d87a8f2SMichael Schmitz [1] = { 7771d87a8f2SMichael Schmitz .name = "rtl8019-irq", 7781d87a8f2SMichael Schmitz .start = ATARI_ETHERNEC_IRQ, 7791d87a8f2SMichael Schmitz .end = ATARI_ETHERNEC_IRQ, 7801d87a8f2SMichael Schmitz .flags = IORESOURCE_IRQ, 7811d87a8f2SMichael Schmitz }, 7821d87a8f2SMichael Schmitz }; 7831d87a8f2SMichael Schmitz 7841d87a8f2SMichael Schmitz static struct platform_device rtl8019_device = { 7851d87a8f2SMichael Schmitz .name = "ne", 7861d87a8f2SMichael Schmitz .id = -1, 7871d87a8f2SMichael Schmitz .num_resources = ARRAY_SIZE(rtl8019_resources), 7881d87a8f2SMichael Schmitz .resource = rtl8019_resources, 7891d87a8f2SMichael Schmitz }; 7901d87a8f2SMichael Schmitz 79101a18d16SMichael Schmitz /* 79201a18d16SMichael Schmitz * NetUSBee: ISP1160 USB host adapter via ROM-port adapter 79301a18d16SMichael Schmitz */ 79401a18d16SMichael Schmitz 79501a18d16SMichael Schmitz #define ATARI_NETUSBEE_PHYS_ADDR 0xfffa8000 79601a18d16SMichael Schmitz #define ATARI_NETUSBEE_BASE 0x340 79701a18d16SMichael Schmitz #define ATARI_NETUSBEE_IRQ IRQ_MFP_TIMER2 79801a18d16SMichael Schmitz 79901a18d16SMichael Schmitz static struct resource netusbee_resources[] = { 80001a18d16SMichael Schmitz [0] = { 80101a18d16SMichael Schmitz .name = "isp1160-data", 80201a18d16SMichael Schmitz .start = ATARI_NETUSBEE_BASE, 80301a18d16SMichael Schmitz .end = ATARI_NETUSBEE_BASE + 0x1, 80401a18d16SMichael Schmitz .flags = IORESOURCE_MEM, 80501a18d16SMichael Schmitz }, 80601a18d16SMichael Schmitz [1] = { 80701a18d16SMichael Schmitz .name = "isp1160-regs", 80801a18d16SMichael Schmitz .start = ATARI_NETUSBEE_BASE + 0x20, 80901a18d16SMichael Schmitz .end = ATARI_NETUSBEE_BASE + 0x21, 81001a18d16SMichael Schmitz .flags = IORESOURCE_MEM, 81101a18d16SMichael Schmitz }, 81201a18d16SMichael Schmitz [2] = { 81301a18d16SMichael Schmitz .name = "isp1160-irq", 81401a18d16SMichael Schmitz .start = ATARI_NETUSBEE_IRQ, 81501a18d16SMichael Schmitz .end = ATARI_NETUSBEE_IRQ, 81601a18d16SMichael Schmitz .flags = IORESOURCE_IRQ, 81701a18d16SMichael Schmitz }, 81801a18d16SMichael Schmitz }; 81901a18d16SMichael Schmitz 82001a18d16SMichael Schmitz /* (DataBusWidth16|AnalogOCEnable|DREQOutputPolarity|DownstreamPort15KRSel ) */ 82101a18d16SMichael Schmitz static struct isp116x_platform_data netusbee_platform_data = { 82201a18d16SMichael Schmitz /* Enable internal resistors on downstream ports */ 82301a18d16SMichael Schmitz .sel15Kres = 1, 82401a18d16SMichael Schmitz /* On-chip overcurrent protection */ 82501a18d16SMichael Schmitz .oc_enable = 1, 82601a18d16SMichael Schmitz /* INT output polarity */ 82701a18d16SMichael Schmitz .int_act_high = 1, 82801a18d16SMichael Schmitz /* INT edge or level triggered */ 82901a18d16SMichael Schmitz .int_edge_triggered = 0, 83001a18d16SMichael Schmitz 83101a18d16SMichael Schmitz /* WAKEUP pin connected - NOT SUPPORTED */ 83201a18d16SMichael Schmitz /* .remote_wakeup_connected = 0, */ 83301a18d16SMichael Schmitz /* Wakeup by devices on usb bus enabled */ 83401a18d16SMichael Schmitz .remote_wakeup_enable = 0, 83501a18d16SMichael Schmitz .delay = isp1160_delay, 83601a18d16SMichael Schmitz }; 83701a18d16SMichael Schmitz 83801a18d16SMichael Schmitz static struct platform_device netusbee_device = { 83901a18d16SMichael Schmitz .name = "isp116x-hcd", 84001a18d16SMichael Schmitz .id = 1, 84101a18d16SMichael Schmitz .num_resources = ARRAY_SIZE(netusbee_resources), 84201a18d16SMichael Schmitz .resource = netusbee_resources, 84301a18d16SMichael Schmitz .dev = { 84401a18d16SMichael Schmitz .platform_data = &netusbee_platform_data, 84501a18d16SMichael Schmitz }, 84601a18d16SMichael Schmitz }; 84701a18d16SMichael Schmitz 84801a18d16SMichael Schmitz static struct platform_device *atari_netusbee_devices[] __initdata = { 84901a18d16SMichael Schmitz &rtl8019_device, 85001a18d16SMichael Schmitz &netusbee_device 8511d87a8f2SMichael Schmitz }; 8521d87a8f2SMichael Schmitz #endif /* CONFIG_ATARI_ETHERNEC */ 8531d87a8f2SMichael Schmitz 8542d522618SFinn Thain #if IS_ENABLED(CONFIG_ATARI_SCSI) 8553ff228afSFinn Thain static const struct resource atari_scsi_st_rsrc[] __initconst = { 8563ff228afSFinn Thain { 8573ff228afSFinn Thain .flags = IORESOURCE_IRQ, 8583ff228afSFinn Thain .start = IRQ_MFP_FSCSI, 8593ff228afSFinn Thain .end = IRQ_MFP_FSCSI, 8603ff228afSFinn Thain }, 8613ff228afSFinn Thain }; 8623ff228afSFinn Thain 8633ff228afSFinn Thain static const struct resource atari_scsi_tt_rsrc[] __initconst = { 8643ff228afSFinn Thain { 8653ff228afSFinn Thain .flags = IORESOURCE_IRQ, 8663ff228afSFinn Thain .start = IRQ_TT_MFP_SCSI, 8673ff228afSFinn Thain .end = IRQ_TT_MFP_SCSI, 8683ff228afSFinn Thain }, 8693ff228afSFinn Thain }; 8703ff228afSFinn Thain #endif 8713ff228afSFinn Thain 872736b24dbSMichael Schmitz int __init atari_platform_init(void) 873736b24dbSMichael Schmitz { 874736b24dbSMichael Schmitz int rv = 0; 875736b24dbSMichael Schmitz 876736b24dbSMichael Schmitz if (!MACH_IS_ATARI) 877736b24dbSMichael Schmitz return -ENODEV; 878736b24dbSMichael Schmitz 879736b24dbSMichael Schmitz #ifdef CONFIG_ATARI_ETHERNAT 880736b24dbSMichael Schmitz { 881736b24dbSMichael Schmitz unsigned char *enatc_virt; 882736b24dbSMichael Schmitz enatc_virt = (unsigned char *)ioremap((ATARI_ETHERNAT_PHYS_ADDR+0x23), 0xf); 883736b24dbSMichael Schmitz if (hwreg_present(enatc_virt)) { 884736b24dbSMichael Schmitz rv = platform_add_devices(atari_ethernat_devices, 885736b24dbSMichael Schmitz ARRAY_SIZE(atari_ethernat_devices)); 886736b24dbSMichael Schmitz } 887736b24dbSMichael Schmitz iounmap(enatc_virt); 888736b24dbSMichael Schmitz } 889736b24dbSMichael Schmitz #endif 890736b24dbSMichael Schmitz 8911d87a8f2SMichael Schmitz #ifdef CONFIG_ATARI_ETHERNEC 8921d87a8f2SMichael Schmitz { 8931d87a8f2SMichael Schmitz int error; 8941d87a8f2SMichael Schmitz unsigned char *enec_virt; 8951d87a8f2SMichael Schmitz enec_virt = (unsigned char *)ioremap((ATARI_ETHERNEC_PHYS_ADDR), 0xf); 8961d87a8f2SMichael Schmitz if (hwreg_present(enec_virt)) { 89701a18d16SMichael Schmitz error = platform_add_devices(atari_netusbee_devices, 89801a18d16SMichael Schmitz ARRAY_SIZE(atari_netusbee_devices)); 8991d87a8f2SMichael Schmitz if (error && !rv) 9001d87a8f2SMichael Schmitz rv = error; 9011d87a8f2SMichael Schmitz } 9021d87a8f2SMichael Schmitz iounmap(enec_virt); 9031d87a8f2SMichael Schmitz } 9041d87a8f2SMichael Schmitz #endif 9051d87a8f2SMichael Schmitz 9062d522618SFinn Thain #if IS_ENABLED(CONFIG_ATARI_SCSI) 9073ff228afSFinn Thain if (ATARIHW_PRESENT(ST_SCSI)) 9083ff228afSFinn Thain platform_device_register_simple("atari_scsi", -1, 9093ff228afSFinn Thain atari_scsi_st_rsrc, ARRAY_SIZE(atari_scsi_st_rsrc)); 9103ff228afSFinn Thain else if (ATARIHW_PRESENT(TT_SCSI)) 9113ff228afSFinn Thain platform_device_register_simple("atari_scsi", -1, 9123ff228afSFinn Thain atari_scsi_tt_rsrc, ARRAY_SIZE(atari_scsi_tt_rsrc)); 9133ff228afSFinn Thain #endif 9143ff228afSFinn Thain 915736b24dbSMichael Schmitz return rv; 916736b24dbSMichael Schmitz } 917736b24dbSMichael Schmitz 918736b24dbSMichael Schmitz arch_initcall(atari_platform_init); 919