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Diffstat (limited to '')
| -rw-r--r-- | arch/m68k/atari/config.c | 945 |
1 files changed, 945 insertions, 0 deletions
diff --git a/arch/m68k/atari/config.c b/arch/m68k/atari/config.c new file mode 100644 index 000000000..7ec3161e8 --- /dev/null +++ b/arch/m68k/atari/config.c @@ -0,0 +1,945 @@ +/* + * linux/arch/m68k/atari/config.c + * + * Copyright (C) 1994 Bjoern Brauel + * + * 5/2/94 Roman Hodek: + * Added setting of time_adj to get a better clock. + * + * 5/14/94 Roman Hodek: + * gettod() for TT + * + * 5/15/94 Roman Hodek: + * hard_reset_now() for Atari (and others?) + * + * 94/12/30 Andreas Schwab: + * atari_sched_init fixed to get precise clock. + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive + * for more details. + */ + +/* + * Miscellaneous atari stuff + */ + +#include <linux/types.h> +#include <linux/mm.h> +#include <linux/seq_file.h> +#include <linux/console.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/ioport.h> +#include <linux/platform_device.h> +#include <linux/usb/isp116x.h> +#include <linux/vt_kern.h> +#include <linux/module.h> + +#include <asm/bootinfo.h> +#include <asm/bootinfo-atari.h> +#include <asm/byteorder.h> +#include <asm/setup.h> +#include <asm/atarihw.h> +#include <asm/atariints.h> +#include <asm/atari_stram.h> +#include <asm/machdep.h> +#include <asm/hwtest.h> +#include <asm/io.h> + +u_long atari_mch_cookie; +EXPORT_SYMBOL(atari_mch_cookie); + +u_long atari_mch_type; +EXPORT_SYMBOL(atari_mch_type); + +struct atari_hw_present atari_hw_present; +EXPORT_SYMBOL(atari_hw_present); + +u_long atari_switches; +EXPORT_SYMBOL(atari_switches); + +int atari_dont_touch_floppy_select; +EXPORT_SYMBOL(atari_dont_touch_floppy_select); + +int atari_rtc_year_offset; + +/* local function prototypes */ +static void atari_reset(void); +static void atari_get_model(char *model); +static void atari_get_hardware_list(struct seq_file *m); + +/* atari specific irq functions */ +extern void atari_init_IRQ (void); +extern void atari_mksound(unsigned int count, unsigned int ticks); +#ifdef CONFIG_HEARTBEAT +static void atari_heartbeat(int on); +#endif + +/* atari specific timer functions (in time.c) */ +extern void atari_sched_init(irq_handler_t); +extern int atari_mste_hwclk (int, struct rtc_time *); +extern int atari_tt_hwclk (int, struct rtc_time *); + +/* ++roman: This is a more elaborate test for an SCC chip, since the plain + * Medusa board generates DTACK at the SCC's standard addresses, but a SCC + * board in the Medusa is possible. Also, the addresses where the ST_ESCC + * resides generate DTACK without the chip, too. + * The method is to write values into the interrupt vector register, that + * should be readable without trouble (from channel A!). + */ + +static int __init scc_test(volatile char *ctla) +{ + if (!hwreg_present(ctla)) + return 0; + MFPDELAY(); + + *ctla = 2; + MFPDELAY(); + *ctla = 0x40; + MFPDELAY(); + + *ctla = 2; + MFPDELAY(); + if (*ctla != 0x40) + return 0; + MFPDELAY(); + + *ctla = 2; + MFPDELAY(); + *ctla = 0x60; + MFPDELAY(); + + *ctla = 2; + MFPDELAY(); + if (*ctla != 0x60) + return 0; + + return 1; +} + + + /* + * Parse an Atari-specific record in the bootinfo + */ + +int __init atari_parse_bootinfo(const struct bi_record *record) +{ + int unknown = 0; + const void *data = record->data; + + switch (be16_to_cpu(record->tag)) { + case BI_ATARI_MCH_COOKIE: + atari_mch_cookie = be32_to_cpup(data); + break; + case BI_ATARI_MCH_TYPE: + atari_mch_type = be32_to_cpup(data); + break; + default: + unknown = 1; + break; + } + return unknown; +} + + +/* Parse the Atari-specific switches= option. */ +static int __init atari_switches_setup(char *str) +{ + char switches[COMMAND_LINE_SIZE]; + char *p; + int ovsc_shift; + char *args = switches; + + if (!MACH_IS_ATARI) + return 0; + + /* copy string to local array, strsep works destructively... */ + strcpy(switches, str); + atari_switches = 0; + + /* parse the options */ + while ((p = strsep(&args, ",")) != NULL) { + if (!*p) + continue; + ovsc_shift = 0; + if (strncmp(p, "ov_", 3) == 0) { + p += 3; + ovsc_shift = ATARI_SWITCH_OVSC_SHIFT; + } + + if (strcmp(p, "ikbd") == 0) { + /* RTS line of IKBD ACIA */ + atari_switches |= ATARI_SWITCH_IKBD << ovsc_shift; + } else if (strcmp(p, "midi") == 0) { + /* RTS line of MIDI ACIA */ + atari_switches |= ATARI_SWITCH_MIDI << ovsc_shift; + } else if (strcmp(p, "snd6") == 0) { + atari_switches |= ATARI_SWITCH_SND6 << ovsc_shift; + } else if (strcmp(p, "snd7") == 0) { + atari_switches |= ATARI_SWITCH_SND7 << ovsc_shift; + } + } + return 0; +} + +early_param("switches", atari_switches_setup); + + + /* + * Setup the Atari configuration info + */ + +void __init config_atari(void) +{ + unsigned short tos_version; + + memset(&atari_hw_present, 0, sizeof(atari_hw_present)); + + /* Change size of I/O space from 64KB to 4GB. */ + ioport_resource.end = 0xFFFFFFFF; + + mach_sched_init = atari_sched_init; + mach_init_IRQ = atari_init_IRQ; + mach_get_model = atari_get_model; + mach_get_hardware_list = atari_get_hardware_list; + mach_reset = atari_reset; + mach_max_dma_address = 0xffffff; +#if IS_ENABLED(CONFIG_INPUT_M68K_BEEP) + mach_beep = atari_mksound; +#endif +#ifdef CONFIG_HEARTBEAT + mach_heartbeat = atari_heartbeat; +#endif + + /* Set switches as requested by the user */ + if (atari_switches & ATARI_SWITCH_IKBD) + acia.key_ctrl = ACIA_DIV64 | ACIA_D8N1S | ACIA_RHTID; + if (atari_switches & ATARI_SWITCH_MIDI) + acia.mid_ctrl = ACIA_DIV16 | ACIA_D8N1S | ACIA_RHTID; + if (atari_switches & (ATARI_SWITCH_SND6|ATARI_SWITCH_SND7)) { + sound_ym.rd_data_reg_sel = 14; + sound_ym.wd_data = sound_ym.rd_data_reg_sel | + ((atari_switches&ATARI_SWITCH_SND6) ? 0x40 : 0) | + ((atari_switches&ATARI_SWITCH_SND7) ? 0x80 : 0); + } + + /* ++bjoern: + * Determine hardware present + */ + + pr_info("Atari hardware found:"); + if (MACH_IS_MEDUSA) { + /* There's no Atari video hardware on the Medusa, but all the + * addresses below generate a DTACK so no bus error occurs! */ + } else if (hwreg_present(f030_xreg)) { + ATARIHW_SET(VIDEL_SHIFTER); + pr_cont(" VIDEL"); + /* This is a temporary hack: If there is Falcon video + * hardware, we assume that the ST-DMA serves SCSI instead of + * ACSI. In the future, there should be a better method for + * this... + */ + ATARIHW_SET(ST_SCSI); + pr_cont(" STDMA-SCSI"); + } else if (hwreg_present(tt_palette)) { + ATARIHW_SET(TT_SHIFTER); + pr_cont(" TT_SHIFTER"); + } else if (hwreg_present(&shifter_st.bas_hi)) { + if (hwreg_present(&shifter_st.bas_lo) && + (shifter_st.bas_lo = 0x0aau, shifter_st.bas_lo == 0x0aau)) { + ATARIHW_SET(EXTD_SHIFTER); + pr_cont(" EXTD_SHIFTER"); + } else { + ATARIHW_SET(STND_SHIFTER); + pr_cont(" STND_SHIFTER"); + } + } + if (hwreg_present(&st_mfp.par_dt_reg)) { + ATARIHW_SET(ST_MFP); + pr_cont(" ST_MFP"); + } + if (hwreg_present(&tt_mfp.par_dt_reg)) { + ATARIHW_SET(TT_MFP); + pr_cont(" TT_MFP"); + } + if (hwreg_present(&tt_scsi_dma.dma_addr_hi)) { + ATARIHW_SET(SCSI_DMA); + pr_cont(" TT_SCSI_DMA"); + } + /* + * The ST-DMA address registers aren't readable + * on all Medusas, so the test below may fail + */ + if (MACH_IS_MEDUSA || + (hwreg_present(&st_dma.dma_vhi) && + (st_dma.dma_vhi = 0x55) && (st_dma.dma_hi = 0xaa) && + st_dma.dma_vhi == 0x55 && st_dma.dma_hi == 0xaa && + (st_dma.dma_vhi = 0xaa) && (st_dma.dma_hi = 0x55) && + st_dma.dma_vhi == 0xaa && st_dma.dma_hi == 0x55)) { + ATARIHW_SET(EXTD_DMA); + pr_cont(" EXTD_DMA"); + } + if (hwreg_present(&tt_scsi.scsi_data)) { + ATARIHW_SET(TT_SCSI); + pr_cont(" TT_SCSI"); + } + if (hwreg_present(&sound_ym.rd_data_reg_sel)) { + ATARIHW_SET(YM_2149); + pr_cont(" YM2149"); + } + if (!MACH_IS_MEDUSA && hwreg_present(&tt_dmasnd.ctrl)) { + ATARIHW_SET(PCM_8BIT); + pr_cont(" PCM"); + } + if (hwreg_present(&falcon_codec.unused5)) { + ATARIHW_SET(CODEC); + pr_cont(" CODEC"); + } + if (hwreg_present(&dsp56k_host_interface.icr)) { + ATARIHW_SET(DSP56K); + pr_cont(" DSP56K"); + } + if (hwreg_present(&tt_scc_dma.dma_ctrl) && +#if 0 + /* This test sucks! Who knows some better? */ + (tt_scc_dma.dma_ctrl = 0x01, (tt_scc_dma.dma_ctrl & 1) == 1) && + (tt_scc_dma.dma_ctrl = 0x00, (tt_scc_dma.dma_ctrl & 1) == 0) +#else + !MACH_IS_MEDUSA +#endif + ) { + ATARIHW_SET(SCC_DMA); + pr_cont(" SCC_DMA"); + } + if (scc_test(&atari_scc.cha_a_ctrl)) { + ATARIHW_SET(SCC); + pr_cont(" SCC"); + } + if (scc_test(&st_escc.cha_b_ctrl)) { + ATARIHW_SET(ST_ESCC); + pr_cont(" ST_ESCC"); + } + if (hwreg_present(&tt_scu.sys_mask)) { + ATARIHW_SET(SCU); + /* Assume a VME bus if there's a SCU */ + ATARIHW_SET(VME); + pr_cont(" VME SCU"); + } + if (hwreg_present((void *)(0xffff9210))) { + ATARIHW_SET(ANALOG_JOY); + pr_cont(" ANALOG_JOY"); + } + if (hwreg_present(blitter.halftone)) { + ATARIHW_SET(BLITTER); + pr_cont(" BLITTER"); + } + if (hwreg_present((void *)0xfff00039)) { + ATARIHW_SET(IDE); + pr_cont(" IDE"); + } +#if 1 /* This maybe wrong */ + if (!MACH_IS_MEDUSA && hwreg_present(&tt_microwire.data) && + hwreg_present(&tt_microwire.mask) && + (tt_microwire.mask = 0x7ff, + udelay(1), + tt_microwire.data = MW_LM1992_PSG_HIGH | MW_LM1992_ADDR, + udelay(1), + tt_microwire.data != 0)) { + ATARIHW_SET(MICROWIRE); + while (tt_microwire.mask != 0x7ff) + ; + pr_cont(" MICROWIRE"); + } +#endif + if (hwreg_present(&tt_rtc.regsel)) { + ATARIHW_SET(TT_CLK); + pr_cont(" TT_CLK"); + mach_hwclk = atari_tt_hwclk; + } + if (hwreg_present(&mste_rtc.sec_ones)) { + ATARIHW_SET(MSTE_CLK); + pr_cont(" MSTE_CLK"); + mach_hwclk = atari_mste_hwclk; + } + if (!MACH_IS_MEDUSA && hwreg_present(&dma_wd.fdc_speed) && + hwreg_write(&dma_wd.fdc_speed, 0)) { + ATARIHW_SET(FDCSPEED); + pr_cont(" FDC_SPEED"); + } + if (!ATARIHW_PRESENT(ST_SCSI)) { + ATARIHW_SET(ACSI); + pr_cont(" ACSI"); + } + pr_cont("\n"); + + if (CPU_IS_040_OR_060) + /* Now it seems to be safe to turn of the tt0 transparent + * translation (the one that must not be turned off in + * head.S...) + */ + asm volatile ("\n" + " moveq #0,%%d0\n" + " .chip 68040\n" + " movec %%d0,%%itt0\n" + " movec %%d0,%%dtt0\n" + " .chip 68k" + : /* no outputs */ + : /* no inputs */ + : "d0"); + + /* allocator for memory that must reside in st-ram */ + atari_stram_init(); + + /* Set up a mapping for the VMEbus address region: + * + * VME is either at phys. 0xfexxxxxx (TT) or 0xa00000..0xdfffff + * (MegaSTE) In both cases, the whole 16 MB chunk is mapped at + * 0xfe000000 virt., because this can be done with a single + * transparent translation. On the 68040, lots of often unused + * page tables would be needed otherwise. On a MegaSTE or similar, + * the highest byte is stripped off by hardware due to the 24 bit + * design of the bus. + */ + + if (CPU_IS_020_OR_030) { + unsigned long tt1_val; + tt1_val = 0xfe008543; /* Translate 0xfexxxxxx, enable, cache + * inhibit, read and write, FDC mask = 3, + * FDC val = 4 -> Supervisor only */ + asm volatile ("\n" + " .chip 68030\n" + " pmove %0,%/tt1\n" + " .chip 68k" + : : "m" (tt1_val)); + } else { + asm volatile ("\n" + " .chip 68040\n" + " movec %0,%%itt1\n" + " movec %0,%%dtt1\n" + " .chip 68k" + : + : "d" (0xfe00a040)); /* Translate 0xfexxxxxx, enable, + * supervisor only, non-cacheable/ + * serialized, writable */ + + } + + /* Fetch tos version at Physical 2 */ + /* + * We my not be able to access this address if the kernel is + * loaded to st ram, since the first page is unmapped. On the + * Medusa this is always the case and there is nothing we can do + * about this, so we just assume the smaller offset. For the TT + * we use the fact that in head.S we have set up a mapping + * 0xFFxxxxxx -> 0x00xxxxxx, so that the first 16MB is accessible + * in the last 16MB of the address space. + */ + tos_version = (MACH_IS_MEDUSA) ? + 0xfff : *(unsigned short *)0xff000002; + atari_rtc_year_offset = (tos_version < 0x306) ? 70 : 68; +} + +#ifdef CONFIG_HEARTBEAT +static void atari_heartbeat(int on) +{ + unsigned char tmp; + unsigned long flags; + + if (atari_dont_touch_floppy_select) + return; + + local_irq_save(flags); + sound_ym.rd_data_reg_sel = 14; /* Select PSG Port A */ + tmp = sound_ym.rd_data_reg_sel; + sound_ym.wd_data = on ? (tmp & ~0x02) : (tmp | 0x02); + local_irq_restore(flags); +} +#endif + +/* ++roman: + * + * This function does a reset on machines that lack the ability to + * assert the processor's _RESET signal somehow via hardware. It is + * based on the fact that you can find the initial SP and PC values + * after a reset at physical addresses 0 and 4. This works pretty well + * for Atari machines, since the lowest 8 bytes of physical memory are + * really ROM (mapped by hardware). For other 680x0 machines: don't + * know if it works... + * + * To get the values at addresses 0 and 4, the MMU better is turned + * off first. After that, we have to jump into physical address space + * (the PC before the pmove statement points to the virtual address of + * the code). Getting that physical address is not hard, but the code + * becomes a bit complex since I've tried to ensure that the jump + * statement after the pmove is in the cache already (otherwise the + * processor can't fetch it!). For that, the code first jumps to the + * jump statement with the (virtual) address of the pmove section in + * an address register . The jump statement is surely in the cache + * now. After that, that physical address of the reset code is loaded + * into the same address register, pmove is done and the same jump + * statements goes to the reset code. Since there are not many + * statements between the two jumps, I hope it stays in the cache. + * + * The C code makes heavy use of the GCC features that you can get the + * address of a C label. No hope to compile this with another compiler + * than GCC! + */ + +/* ++andreas: no need for complicated code, just depend on prefetch */ + +static void atari_reset(void) +{ + long tc_val = 0; + long reset_addr; + + /* + * On the Medusa, phys. 0x4 may contain garbage because it's no + * ROM. See above for explanation why we cannot use PTOV(4). + */ + reset_addr = MACH_IS_MEDUSA || MACH_IS_AB40 ? 0xe00030 : + *(unsigned long *) 0xff000004; + + /* reset ACIA for switch off OverScan, if it's active */ + if (atari_switches & ATARI_SWITCH_OVSC_IKBD) + acia.key_ctrl = ACIA_RESET; + if (atari_switches & ATARI_SWITCH_OVSC_MIDI) + acia.mid_ctrl = ACIA_RESET; + + /* processor independent: turn off interrupts and reset the VBR; + * the caches must be left enabled, else prefetching the final jump + * instruction doesn't work. + */ + local_irq_disable(); + asm volatile ("movec %0,%%vbr" + : : "d" (0)); + + if (CPU_IS_040_OR_060) { + unsigned long jmp_addr040 = virt_to_phys(&&jmp_addr_label040); + if (CPU_IS_060) { + /* 68060: clear PCR to turn off superscalar operation */ + asm volatile ("\n" + " .chip 68060\n" + " movec %0,%%pcr\n" + " .chip 68k" + : : "d" (0)); + } + + asm volatile ("\n" + " move.l %0,%%d0\n" + " and.l #0xff000000,%%d0\n" + " or.w #0xe020,%%d0\n" /* map 16 MB, enable, cacheable */ + " .chip 68040\n" + " movec %%d0,%%itt0\n" + " movec %%d0,%%dtt0\n" + " .chip 68k\n" + " jmp %0@" + : : "a" (jmp_addr040) + : "d0"); + jmp_addr_label040: + asm volatile ("\n" + " moveq #0,%%d0\n" + " nop\n" + " .chip 68040\n" + " cinva %%bc\n" + " nop\n" + " pflusha\n" + " nop\n" + " movec %%d0,%%tc\n" + " nop\n" + /* the following setup of transparent translations is needed on the + * Afterburner040 to successfully reboot. Other machines shouldn't + * care about a different tt regs setup, they also didn't care in + * the past that the regs weren't turned off. */ + " move.l #0xffc000,%%d0\n" /* whole insn space cacheable */ + " movec %%d0,%%itt0\n" + " movec %%d0,%%itt1\n" + " or.w #0x40,%/d0\n" /* whole data space non-cacheable/ser. */ + " movec %%d0,%%dtt0\n" + " movec %%d0,%%dtt1\n" + " .chip 68k\n" + " jmp %0@" + : /* no outputs */ + : "a" (reset_addr) + : "d0"); + } else + asm volatile ("\n" + " pmove %0,%%tc\n" + " jmp %1@" + : /* no outputs */ + : "m" (tc_val), "a" (reset_addr)); +} + + +static void atari_get_model(char *model) +{ + strcpy(model, "Atari "); + switch (atari_mch_cookie >> 16) { + case ATARI_MCH_ST: + if (ATARIHW_PRESENT(MSTE_CLK)) + strcat(model, "Mega ST"); + else + strcat(model, "ST"); + break; + case ATARI_MCH_STE: + if (MACH_IS_MSTE) + strcat(model, "Mega STE"); + else + strcat(model, "STE"); + break; + case ATARI_MCH_TT: + if (MACH_IS_MEDUSA) + /* Medusa has TT _MCH cookie */ + strcat(model, "Medusa"); + else + strcat(model, "TT"); + break; + case ATARI_MCH_FALCON: + strcat(model, "Falcon"); + if (MACH_IS_AB40) + strcat(model, " (with Afterburner040)"); + break; + default: + sprintf(model + strlen(model), "(unknown mach cookie 0x%lx)", + atari_mch_cookie); + break; + } +} + + +static void atari_get_hardware_list(struct seq_file *m) +{ + int i; + + for (i = 0; i < m68k_num_memory; i++) + seq_printf(m, "\t%3ld MB at 0x%08lx (%s)\n", + m68k_memory[i].size >> 20, m68k_memory[i].addr, + (m68k_memory[i].addr & 0xff000000 ? + "alternate RAM" : "ST-RAM")); + +#define ATARIHW_ANNOUNCE(name, str) \ + if (ATARIHW_PRESENT(name)) \ + seq_printf(m, "\t%s\n", str) + + seq_puts(m, "Detected hardware:\n"); + ATARIHW_ANNOUNCE(STND_SHIFTER, "ST Shifter"); + ATARIHW_ANNOUNCE(EXTD_SHIFTER, "STe Shifter"); + ATARIHW_ANNOUNCE(TT_SHIFTER, "TT Shifter"); + ATARIHW_ANNOUNCE(VIDEL_SHIFTER, "Falcon Shifter"); + ATARIHW_ANNOUNCE(YM_2149, "Programmable Sound Generator"); + ATARIHW_ANNOUNCE(PCM_8BIT, "PCM 8 Bit Sound"); + ATARIHW_ANNOUNCE(CODEC, "CODEC Sound"); + ATARIHW_ANNOUNCE(TT_SCSI, "SCSI Controller NCR5380 (TT style)"); + ATARIHW_ANNOUNCE(ST_SCSI, "SCSI Controller NCR5380 (Falcon style)"); + ATARIHW_ANNOUNCE(ACSI, "ACSI Interface"); + ATARIHW_ANNOUNCE(IDE, "IDE Interface"); + ATARIHW_ANNOUNCE(FDCSPEED, "8/16 Mhz Switch for FDC"); + ATARIHW_ANNOUNCE(ST_MFP, "Multi Function Peripheral MFP 68901"); + ATARIHW_ANNOUNCE(TT_MFP, "Second Multi Function Peripheral MFP 68901"); + ATARIHW_ANNOUNCE(SCC, "Serial Communications Controller SCC 8530"); + ATARIHW_ANNOUNCE(ST_ESCC, "Extended Serial Communications Controller SCC 85230"); + ATARIHW_ANNOUNCE(ANALOG_JOY, "Paddle Interface"); + ATARIHW_ANNOUNCE(MICROWIRE, "MICROWIRE(tm) Interface"); + ATARIHW_ANNOUNCE(STND_DMA, "DMA Controller (24 bit)"); + ATARIHW_ANNOUNCE(EXTD_DMA, "DMA Controller (32 bit)"); + ATARIHW_ANNOUNCE(SCSI_DMA, "DMA Controller for NCR5380"); + ATARIHW_ANNOUNCE(SCC_DMA, "DMA Controller for SCC"); + ATARIHW_ANNOUNCE(TT_CLK, "Clock Chip MC146818A"); + ATARIHW_ANNOUNCE(MSTE_CLK, "Clock Chip RP5C15"); + ATARIHW_ANNOUNCE(SCU, "System Control Unit"); + ATARIHW_ANNOUNCE(BLITTER, "Blitter"); + ATARIHW_ANNOUNCE(VME, "VME Bus"); + ATARIHW_ANNOUNCE(DSP56K, "DSP56001 processor"); +} + +/* + * MSch: initial platform device support for Atari, + * required for EtherNAT/EtherNEC/NetUSBee drivers + */ + +#if defined(CONFIG_ATARI_ETHERNAT) || defined(CONFIG_ATARI_ETHERNEC) +static void isp1160_delay(struct device *dev, int delay) +{ + ndelay(delay); +} +#endif + +#ifdef CONFIG_ATARI_ETHERNAT +/* + * EtherNAT: SMC91C111 Ethernet chipset, handled by smc91x driver + */ + +#define ATARI_ETHERNAT_IRQ 140 + +static struct resource smc91x_resources[] = { + [0] = { + .name = "smc91x-regs", + .start = ATARI_ETHERNAT_PHYS_ADDR, + .end = ATARI_ETHERNAT_PHYS_ADDR + 0xfffff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .name = "smc91x-irq", + .start = ATARI_ETHERNAT_IRQ, + .end = ATARI_ETHERNAT_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device smc91x_device = { + .name = "smc91x", + .id = -1, + .num_resources = ARRAY_SIZE(smc91x_resources), + .resource = smc91x_resources, +}; + +/* + * ISP 1160 - using the isp116x-hcd module + */ + +#define ATARI_USB_PHYS_ADDR 0x80000012 +#define ATARI_USB_IRQ 139 + +static struct resource isp1160_resources[] = { + [0] = { + .name = "isp1160-data", + .start = ATARI_USB_PHYS_ADDR, + .end = ATARI_USB_PHYS_ADDR + 0x1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .name = "isp1160-regs", + .start = ATARI_USB_PHYS_ADDR + 0x4, + .end = ATARI_USB_PHYS_ADDR + 0x5, + .flags = IORESOURCE_MEM, + }, + [2] = { + .name = "isp1160-irq", + .start = ATARI_USB_IRQ, + .end = ATARI_USB_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +/* (DataBusWidth16|AnalogOCEnable|DREQOutputPolarity|DownstreamPort15KRSel ) */ +static struct isp116x_platform_data isp1160_platform_data = { + /* Enable internal resistors on downstream ports */ + .sel15Kres = 1, + /* On-chip overcurrent protection */ + .oc_enable = 1, + /* INT output polarity */ + .int_act_high = 1, + /* INT edge or level triggered */ + .int_edge_triggered = 0, + + /* WAKEUP pin connected - NOT SUPPORTED */ + /* .remote_wakeup_connected = 0, */ + /* Wakeup by devices on usb bus enabled */ + .remote_wakeup_enable = 0, + .delay = isp1160_delay, +}; + +static struct platform_device isp1160_device = { + .name = "isp116x-hcd", + .id = 0, + .num_resources = ARRAY_SIZE(isp1160_resources), + .resource = isp1160_resources, + .dev = { + .platform_data = &isp1160_platform_data, + }, +}; + +static struct platform_device *atari_ethernat_devices[] __initdata = { + &smc91x_device, + &isp1160_device +}; +#endif /* CONFIG_ATARI_ETHERNAT */ + +#ifdef CONFIG_ATARI_ETHERNEC +/* + * EtherNEC: RTL8019 (NE2000 compatible) Ethernet chipset, + * handled by ne.c driver + */ + +#define ATARI_ETHERNEC_PHYS_ADDR 0xfffa0000 +#define ATARI_ETHERNEC_BASE 0x300 +#define ATARI_ETHERNEC_IRQ IRQ_MFP_TIMER1 + +static struct resource rtl8019_resources[] = { + [0] = { + .name = "rtl8019-regs", + .start = ATARI_ETHERNEC_BASE, + .end = ATARI_ETHERNEC_BASE + 0x20 - 1, + .flags = IORESOURCE_IO, + }, + [1] = { + .name = "rtl8019-irq", + .start = ATARI_ETHERNEC_IRQ, + .end = ATARI_ETHERNEC_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device rtl8019_device = { + .name = "ne", + .id = -1, + .num_resources = ARRAY_SIZE(rtl8019_resources), + .resource = rtl8019_resources, +}; + +/* + * NetUSBee: ISP1160 USB host adapter via ROM-port adapter + */ + +#define ATARI_NETUSBEE_PHYS_ADDR 0xfffa8000 +#define ATARI_NETUSBEE_BASE 0x340 +#define ATARI_NETUSBEE_IRQ IRQ_MFP_TIMER2 + +static struct resource netusbee_resources[] = { + [0] = { + .name = "isp1160-data", + .start = ATARI_NETUSBEE_BASE, + .end = ATARI_NETUSBEE_BASE + 0x1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .name = "isp1160-regs", + .start = ATARI_NETUSBEE_BASE + 0x20, + .end = ATARI_NETUSBEE_BASE + 0x21, + .flags = IORESOURCE_MEM, + }, + [2] = { + .name = "isp1160-irq", + .start = ATARI_NETUSBEE_IRQ, + .end = ATARI_NETUSBEE_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +/* (DataBusWidth16|AnalogOCEnable|DREQOutputPolarity|DownstreamPort15KRSel ) */ +static struct isp116x_platform_data netusbee_platform_data = { + /* Enable internal resistors on downstream ports */ + .sel15Kres = 1, + /* On-chip overcurrent protection */ + .oc_enable = 1, + /* INT output polarity */ + .int_act_high = 1, + /* INT edge or level triggered */ + .int_edge_triggered = 0, + + /* WAKEUP pin connected - NOT SUPPORTED */ + /* .remote_wakeup_connected = 0, */ + /* Wakeup by devices on usb bus enabled */ + .remote_wakeup_enable = 0, + .delay = isp1160_delay, +}; + +static struct platform_device netusbee_device = { + .name = "isp116x-hcd", + .id = 1, + .num_resources = ARRAY_SIZE(netusbee_resources), + .resource = netusbee_resources, + .dev = { + .platform_data = &netusbee_platform_data, + }, +}; + +static struct platform_device *atari_netusbee_devices[] __initdata = { + &rtl8019_device, + &netusbee_device +}; +#endif /* CONFIG_ATARI_ETHERNEC */ + +#if IS_ENABLED(CONFIG_ATARI_SCSI) +static const struct resource atari_scsi_st_rsrc[] __initconst = { + { + .flags = IORESOURCE_IRQ, + .start = IRQ_MFP_FSCSI, + .end = IRQ_MFP_FSCSI, + }, +}; + +static const struct resource atari_scsi_tt_rsrc[] __initconst = { + { + .flags = IORESOURCE_IRQ, + .start = IRQ_TT_MFP_SCSI, + .end = IRQ_TT_MFP_SCSI, + }, +}; +#endif + +/* + * Falcon IDE interface + */ + +#define FALCON_IDE_BASE 0xfff00000 + +static const struct resource atari_falconide_rsrc[] __initconst = { + { + .flags = IORESOURCE_MEM, + .start = FALCON_IDE_BASE, + .end = FALCON_IDE_BASE + 0x39, + }, + { + .flags = IORESOURCE_IRQ, + .start = IRQ_MFP_FSCSI, + .end = IRQ_MFP_FSCSI, + }, +}; + +int __init atari_platform_init(void) +{ + struct platform_device *pdev; + int rv = 0; + + if (!MACH_IS_ATARI) + return -ENODEV; + +#ifdef CONFIG_ATARI_ETHERNAT + { + unsigned char *enatc_virt; + enatc_virt = (unsigned char *)ioremap((ATARI_ETHERNAT_PHYS_ADDR+0x23), 0xf); + if (hwreg_present(enatc_virt)) { + rv = platform_add_devices(atari_ethernat_devices, + ARRAY_SIZE(atari_ethernat_devices)); + } + iounmap(enatc_virt); + } +#endif + +#ifdef CONFIG_ATARI_ETHERNEC + { + int error; + unsigned char *enec_virt; + enec_virt = (unsigned char *)ioremap((ATARI_ETHERNEC_PHYS_ADDR), 0xf); + if (hwreg_present(enec_virt)) { + error = platform_add_devices(atari_netusbee_devices, + ARRAY_SIZE(atari_netusbee_devices)); + if (error && !rv) + rv = error; + } + iounmap(enec_virt); + } +#endif + +#if IS_ENABLED(CONFIG_ATARI_SCSI) + if (ATARIHW_PRESENT(ST_SCSI)) + platform_device_register_simple("atari_scsi", -1, + atari_scsi_st_rsrc, ARRAY_SIZE(atari_scsi_st_rsrc)); + else if (ATARIHW_PRESENT(TT_SCSI)) + platform_device_register_simple("atari_scsi", -1, + atari_scsi_tt_rsrc, ARRAY_SIZE(atari_scsi_tt_rsrc)); +#endif + + if (ATARIHW_PRESENT(IDE)) { + pdev = platform_device_register_simple("atari-falcon-ide", -1, + atari_falconide_rsrc, ARRAY_SIZE(atari_falconide_rsrc)); + if (IS_ERR(pdev)) + rv = PTR_ERR(pdev); + } + + return rv; +} + +arch_initcall(atari_platform_init); |