v4.19.13 snapshot.
diff --git a/arch/m68k/atari/config.c b/arch/m68k/atari/config.c
new file mode 100644
index 0000000..bd96702
--- /dev/null
+++ b/arch/m68k/atari/config.c
@@ -0,0 +1,920 @@
+/*
+ * 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 u32 atari_gettimeoffset(void);
+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[strlen(str) + 1];
+ 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;
+ arch_gettimeoffset = atari_gettimeoffset;
+ 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.bas_hi)) {
+ if (hwreg_present(&shifter.bas_lo) &&
+ (shifter.bas_lo = 0x0aau, shifter.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
+
+int __init atari_platform_init(void)
+{
+ 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
+
+ return rv;
+}
+
+arch_initcall(atari_platform_init);