m68k: Remove the broken Hades support

This patch removes the Hades support that was marked as BROKEN 5 years ago.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

4 files changed, 14 insertions, 472 deletions

diff --git a/arch/m68k/atari/Makefile b/arch/m68k/atari/Makefile
index 2cd905efe63a..0cac723306f9 100644
--- a/arch/m68k/atari/Makefile
+++ b/arch/m68k/atari/Makefile
@@ -5,7 +5,4 @@
 obj-y           := config.o time.o debug.o ataints.o stdma.o \
                         atasound.o stram.o
 
-ifeq ($(CONFIG_PCI),y)
-obj-$(CONFIG_HADES)     += hades-pci.o
-endif
 obj-$(CONFIG_ATARI_KBD_CORE)    += atakeyb.o
diff --git a/arch/m68k/atari/ataints.c b/arch/m68k/atari/ataints.c
index b45593a60bdd..dba4afabb444 100644
--- a/arch/m68k/atari/ataints.c
+++ b/arch/m68k/atari/ataints.c
@@ -407,10 +407,8 @@ void __init atari_init_IRQ(void)
                  * gets overruns)
                  */
 
-                if (!MACH_IS_HADES) {
-                        vectors[VEC_INT2] = falcon_hblhandler;
-                        vectors[VEC_INT4] = falcon_hblhandler;
-                }
+                vectors[VEC_INT2] = falcon_hblhandler;
+                vectors[VEC_INT4] = falcon_hblhandler;
         }
 
         if (ATARIHW_PRESENT(PCM_8BIT) && ATARIHW_PRESENT(MICROWIRE)) {
diff --git a/arch/m68k/atari/config.c b/arch/m68k/atari/config.c
index 5945e1505558..af031855f796 100644
--- a/arch/m68k/atari/config.c
+++ b/arch/m68k/atari/config.c
@@ -231,7 +231,7 @@ void __init config_atari(void)
          */
 
         printk("Atari hardware found: ");
-        if (MACH_IS_MEDUSA || MACH_IS_HADES) {
+        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)) {
@@ -269,10 +269,6 @@ void __init config_atari(void)
                 ATARIHW_SET(SCSI_DMA);
                 printk("TT_SCSI_DMA ");
         }
-        if (!MACH_IS_HADES && hwreg_present(&st_dma.dma_hi)) {
-                ATARIHW_SET(STND_DMA);
-                printk("STND_DMA ");
-        }
         /*
          * The ST-DMA address registers aren't readable
          * on all Medusas, so the test below may fail
@@ -294,12 +290,11 @@ void __init config_atari(void)
                 ATARIHW_SET(YM_2149);
                 printk("YM2149 ");
         }
-        if (!MACH_IS_MEDUSA && !MACH_IS_HADES &&
-                hwreg_present(&tt_dmasnd.ctrl)) {
+        if (!MACH_IS_MEDUSA && hwreg_present(&tt_dmasnd.ctrl)) {
                 ATARIHW_SET(PCM_8BIT);
                 printk("PCM ");
         }
-        if (!MACH_IS_HADES && hwreg_present(&falcon_codec.unused5)) {
+        if (hwreg_present(&falcon_codec.unused5)) {
                 ATARIHW_SET(CODEC);
                 printk("CODEC ");
         }
@@ -313,7 +308,7 @@ void __init config_atari(void)
             (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 && !MACH_IS_HADES
+            !MACH_IS_MEDUSA
 #endif
             ) {
                 ATARIHW_SET(SCC_DMA);
@@ -327,10 +322,7 @@ void __init config_atari(void)
                 ATARIHW_SET(ST_ESCC);
                 printk("ST_ESCC ");
         }
-        if (MACH_IS_HADES) {
-                ATARIHW_SET(VME);
-                printk("VME ");
-        } else if (hwreg_present(&tt_scu.sys_mask)) {
+        if (hwreg_present(&tt_scu.sys_mask)) {
                 ATARIHW_SET(SCU);
                 /* Assume a VME bus if there's a SCU */
                 ATARIHW_SET(VME);
@@ -340,7 +332,7 @@ void __init config_atari(void)
                 ATARIHW_SET(ANALOG_JOY);
                 printk("ANALOG_JOY ");
         }
-        if (!MACH_IS_HADES && hwreg_present(blitter.halftone)) {
+        if (hwreg_present(blitter.halftone)) {
                 ATARIHW_SET(BLITTER);
                 printk("BLITTER ");
         }
@@ -349,8 +341,7 @@ void __init config_atari(void)
                 printk("IDE ");
         }
 #if 1 /* This maybe wrong */
-        if (!MACH_IS_MEDUSA && !MACH_IS_HADES &&
-            hwreg_present(&tt_microwire.data) &&
+        if (!MACH_IS_MEDUSA && hwreg_present(&tt_microwire.data) &&
             hwreg_present(&tt_microwire.mask) &&
             (tt_microwire.mask = 0x7ff,
              udelay(1),
@@ -369,19 +360,18 @@ void __init config_atari(void)
                 mach_hwclk = atari_tt_hwclk;
                 mach_set_clock_mmss = atari_tt_set_clock_mmss;
         }
-        if (!MACH_IS_HADES && hwreg_present(&mste_rtc.sec_ones)) {
+        if (hwreg_present(&mste_rtc.sec_ones)) {
                 ATARIHW_SET(MSTE_CLK);
                 printk("MSTE_CLK ");
                 mach_hwclk = atari_mste_hwclk;
                 mach_set_clock_mmss = atari_mste_set_clock_mmss;
         }
-        if (!MACH_IS_MEDUSA && !MACH_IS_HADES &&
-            hwreg_present(&dma_wd.fdc_speed) &&
+        if (!MACH_IS_MEDUSA && hwreg_present(&dma_wd.fdc_speed) &&
             hwreg_write(&dma_wd.fdc_speed, 0)) {
                 ATARIHW_SET(FDCSPEED);
                 printk("FDC_SPEED ");
         }
-        if (!MACH_IS_HADES && !ATARIHW_PRESENT(ST_SCSI)) {
+        if (!ATARIHW_PRESENT(ST_SCSI)) {
                 ATARIHW_SET(ACSI);
                 printk("ACSI ");
         }
@@ -449,7 +439,7 @@ void __init config_atari(void)
          * 0xFFxxxxxx -> 0x00xxxxxx, so that the first 16MB is accessible
          * in the last 16MB of the address space.
          */
-        tos_version = (MACH_IS_MEDUSA || MACH_IS_HADES) ?
+        tos_version = (MACH_IS_MEDUSA) ?
                         0xfff : *(unsigned short *)0xff000002;
         atari_rtc_year_offset = (tos_version < 0x306) ? 70 : 68;
 }
@@ -511,8 +501,7 @@ static void atari_reset(void)
          * 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_HADES ? 0x7fe00030 :
-                     MACH_IS_MEDUSA || MACH_IS_AB40 ? 0xe00030 :
+        reset_addr = MACH_IS_MEDUSA || MACH_IS_AB40 ? 0xe00030 :
                      *(unsigned long *) 0xff000004;
 
         /* reset ACIA for switch off OverScan, if it's active */
@@ -606,8 +595,6 @@ static void atari_get_model(char *model)
                 if (MACH_IS_MEDUSA)
                         /* Medusa has TT _MCH cookie */
                         strcat(model, "Medusa");
-                else if (MACH_IS_HADES)
-                        strcat(model, "Hades");
                 else
                         strcat(model, "TT");
                 break;
diff --git a/arch/m68k/atari/hades-pci.c b/arch/m68k/atari/hades-pci.c
deleted file mode 100644
index 2bbabc008708..000000000000
--- a/arch/m68k/atari/hades-pci.c
+++ /dev/null
@@ -1,440 +0,0 @@
-/*
- * hades-pci.c - Hardware specific PCI BIOS functions the Hades Atari clone.
- *
- * Written by Wout Klaren.
- */
-
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <asm/io.h>
-
-#if 0
-# define DBG_DEVS(args)         printk args
-#else
-# define DBG_DEVS(args)
-#endif
-
-#if defined(CONFIG_PCI) && defined(CONFIG_HADES)
-
-#include <linux/slab.h>
-#include <linux/mm.h>
-#include <linux/pci.h>
-
-#include <asm/atarihw.h>
-#include <asm/atariints.h>
-#include <asm/byteorder.h>
-#include <asm/pci.h>
-
-#define HADES_MEM_BASE          0x80000000
-#define HADES_MEM_SIZE          0x20000000
-#define HADES_CONFIG_BASE       0xA0000000
-#define HADES_CONFIG_SIZE       0x10000000
-#define HADES_IO_BASE           0xB0000000
-#define HADES_IO_SIZE           0x10000000
-#define HADES_VIRT_IO_SIZE      0x00010000      /* Only 64k is remapped and actually used. */
-
-#define N_SLOTS                         4                       /* Number of PCI slots. */
-
-static const char pci_mem_name[] = "PCI memory space";
-static const char pci_io_name[] = "PCI I/O space";
-static const char pci_config_name[] = "PCI config space";
-
-static struct resource config_space = {
-    .name = pci_config_name,
-    .start = HADES_CONFIG_BASE,
-    .end = HADES_CONFIG_BASE + HADES_CONFIG_SIZE - 1
-};
-static struct resource io_space = {
-    .name = pci_io_name,
-    .start = HADES_IO_BASE,
-    .end = HADES_IO_BASE + HADES_IO_SIZE - 1
-};
-
-static const unsigned long pci_conf_base_phys[] = {
-    0xA0080000, 0xA0040000, 0xA0020000, 0xA0010000
-};
-static unsigned long pci_conf_base_virt[N_SLOTS];
-static unsigned long pci_io_base_virt;
-
-/*
- * static void *mk_conf_addr(unsigned char bus, unsigned char device_fn,
- *                           unsigned char where)
- *
- * Calculate the address of the PCI configuration area of the given
- * device.
- *
- * BUG: boards with multiple functions are probably not correctly
- * supported.
- */
-
-static void *mk_conf_addr(struct pci_dev *dev, int where)
-{
-        int device = dev->devfn >> 3, function = dev->devfn & 7;
-        void *result;
-
-        DBG_DEVS(("mk_conf_addr(bus=%d ,device_fn=0x%x, where=0x%x, pci_addr=0x%p)\n",
-                  dev->bus->number, dev->devfn, where, pci_addr));
-
-        if (device > 3)
-        {
-                DBG_DEVS(("mk_conf_addr: device (%d) > 3, returning NULL\n", device));
-                return NULL;
-        }
-
-        if (dev->bus->number != 0)
-        {
-                DBG_DEVS(("mk_conf_addr: bus (%d) > 0, returning NULL\n", device));
-                return NULL;
-        }
-
-        result = (void *) (pci_conf_base_virt[device] | (function << 8) | (where));
-        DBG_DEVS(("mk_conf_addr: returning pci_addr 0x%lx\n", (unsigned long) result));
-        return result;
-}
-
-static int hades_read_config_byte(struct pci_dev *dev, int where, u8 *value)
-{
-        volatile unsigned char *pci_addr;
-
-        *value = 0xff;
-
-        if ((pci_addr = (unsigned char *) mk_conf_addr(dev, where)) == NULL)
-                return PCIBIOS_DEVICE_NOT_FOUND;
-
-        *value = *pci_addr;
-
-        return PCIBIOS_SUCCESSFUL;
-}
-
-static int hades_read_config_word(struct pci_dev *dev, int where, u16 *value)
-{
-        volatile unsigned short *pci_addr;
-
-        *value = 0xffff;
-
-        if (where & 0x1)
-                return PCIBIOS_BAD_REGISTER_NUMBER;
-
-        if ((pci_addr = (unsigned short *) mk_conf_addr(dev, where)) == NULL)
-                return PCIBIOS_DEVICE_NOT_FOUND;
-
-        *value = le16_to_cpu(*pci_addr);
-
-        return PCIBIOS_SUCCESSFUL;
-}
-
-static int hades_read_config_dword(struct pci_dev *dev, int where, u32 *value)
-{
-        volatile unsigned int *pci_addr;
-        unsigned char header_type;
-        int result;
-
-        *value = 0xffffffff;
-
-        if (where & 0x3)
-                return PCIBIOS_BAD_REGISTER_NUMBER;
-
-        if ((pci_addr = (unsigned int *) mk_conf_addr(dev, where)) == NULL)
-                return PCIBIOS_DEVICE_NOT_FOUND;
-
-        *value = le32_to_cpu(*pci_addr);
-
-        /*
-         * Check if the value is an address on the bus. If true, add the
-         * base address of the PCI memory or PCI I/O area on the Hades.
-         */
-
-        if ((result = hades_read_config_byte(dev, PCI_HEADER_TYPE,
-                                             &header_type)) != PCIBIOS_SUCCESSFUL)
-                return result;
-
-        if (((where >= PCI_BASE_ADDRESS_0) && (where <= PCI_BASE_ADDRESS_1)) ||
-            ((header_type != PCI_HEADER_TYPE_BRIDGE) && ((where >= PCI_BASE_ADDRESS_2) &&
-                                                         (where <= PCI_BASE_ADDRESS_5))))
-        {
-                if ((*value & PCI_BASE_ADDRESS_SPACE) == PCI_BASE_ADDRESS_SPACE_IO)
-                {
-                        /*
-                         * Base address register that contains an I/O address. If the
-                         * address is valid on the Hades (0 <= *value < HADES_VIRT_IO_SIZE),
-                         * add 'pci_io_base_virt' to the value.
-                         */
-
-                        if (*value < HADES_VIRT_IO_SIZE)
-                                *value += pci_io_base_virt;
-                }
-                else
-                {
-                        /*
-                         * Base address register that contains an memory address. If the
-                         * address is valid on the Hades (0 <= *value < HADES_MEM_SIZE),
-                         * add HADES_MEM_BASE to the value.
-                         */
-
-                        if (*value == 0)
-                        {
-                                /*
-                                 * Base address is 0. Test if this base
-                                 * address register is used.
-                                 */
-
-                                *pci_addr = 0xffffffff;
-                                if (*pci_addr != 0)
-                                {
-                                        *pci_addr = *value;
-                                        if (*value < HADES_MEM_SIZE)
-                                                *value += HADES_MEM_BASE;
-                                }
-                        }
-                        else
-                        {
-                                if (*value < HADES_MEM_SIZE)
-                                        *value += HADES_MEM_BASE;
-                        }
-                }
-        }
-
-        return PCIBIOS_SUCCESSFUL;
-}
-
-static int hades_write_config_byte(struct pci_dev *dev, int where, u8 value)
-{
-        volatile unsigned char *pci_addr;
-
-        if ((pci_addr = (unsigned char *) mk_conf_addr(dev, where)) == NULL)
-                return PCIBIOS_DEVICE_NOT_FOUND;
-
-        *pci_addr = value;
-
-        return PCIBIOS_SUCCESSFUL;
-}
-
-static int hades_write_config_word(struct pci_dev *dev, int where, u16 value)
-{
-        volatile unsigned short *pci_addr;
-
-        if ((pci_addr = (unsigned short *) mk_conf_addr(dev, where)) == NULL)
-                return PCIBIOS_DEVICE_NOT_FOUND;
-
-        *pci_addr = cpu_to_le16(value);
-
-        return PCIBIOS_SUCCESSFUL;
-}
-
-static int hades_write_config_dword(struct pci_dev *dev, int where, u32 value)
-{
-        volatile unsigned int *pci_addr;
-        unsigned char header_type;
-        int result;
-
-        if ((pci_addr = (unsigned int *) mk_conf_addr(dev, where)) == NULL)
-                return PCIBIOS_DEVICE_NOT_FOUND;
-
-        /*
-         * Check if the value is an address on the bus. If true, subtract the
-         * base address of the PCI memory or PCI I/O area on the Hades.
-         */
-
-        if ((result = hades_read_config_byte(dev, PCI_HEADER_TYPE,
-                                             &header_type)) != PCIBIOS_SUCCESSFUL)
-                return result;
-
-        if (((where >= PCI_BASE_ADDRESS_0) && (where <= PCI_BASE_ADDRESS_1)) ||
-            ((header_type != PCI_HEADER_TYPE_BRIDGE) && ((where >= PCI_BASE_ADDRESS_2) &&
-                                                         (where <= PCI_BASE_ADDRESS_5))))
-        {
-                if ((value & PCI_BASE_ADDRESS_SPACE) ==
-                    PCI_BASE_ADDRESS_SPACE_IO)
-                {
-                        /*
-                         * I/O address. Check if the address is valid address on
-                         * the Hades (pci_io_base_virt <= value < pci_io_base_virt +
-                         * HADES_VIRT_IO_SIZE) or if the value is 0xffffffff. If not
-                         * true do not write the base address register. If it is a
-                         * valid base address subtract 'pci_io_base_virt' from the value.
-                         */
-
-                        if ((value >= pci_io_base_virt) && (value < (pci_io_base_virt +
-                                                                                                                 HADES_VIRT_IO_SIZE)))
-                                value -= pci_io_base_virt;
-                        else
-                        {
-                                if (value != 0xffffffff)
-                                        return PCIBIOS_SET_FAILED;
-                        }
-                }
-                else
-                {
-                        /*
-                         * Memory address. Check if the address is valid address on
-                         * the Hades (HADES_MEM_BASE <= value < HADES_MEM_BASE + HADES_MEM_SIZE) or
-                         * if the value is 0xffffffff. If not true do not write
-                         * the base address register. If it is a valid base address
-                         * subtract HADES_MEM_BASE from the value.
-                         */
-
-                        if ((value >= HADES_MEM_BASE) && (value < (HADES_MEM_BASE + HADES_MEM_SIZE)))
-                                value -= HADES_MEM_BASE;
-                        else
-                        {
-                                if (value != 0xffffffff)
-                                        return PCIBIOS_SET_FAILED;
-                        }
-                }
-        }
-
-        *pci_addr = cpu_to_le32(value);
-
-        return PCIBIOS_SUCCESSFUL;
-}
-
-/*
- * static inline void hades_fixup(void)
- *
- * Assign IRQ numbers as used by Linux to the interrupt pins
- * of the PCI cards.
- */
-
-static void __init hades_fixup(int pci_modify)
-{
-        char irq_tab[4] = {
-                [0] = IRQ_TT_MFP_IO0,           /* Slot 0. */
-                [1] = IRQ_TT_MFP_IO1,           /* Slot 1. */
-                [2] = IRQ_TT_MFP_SCC,           /* Slot 2. */
-                [3] = IRQ_TT_MFP_SCSIDMA        /* Slot 3. */
-        };
-        struct pci_dev *dev = NULL;
-        unsigned char slot;
-
-        /*
-         * Go through all devices, fixing up irqs as we see fit:
-         */
-
-        while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL)
-        {
-                if (dev->class >> 16 != PCI_BASE_CLASS_BRIDGE)
-                {
-                        slot = PCI_SLOT(dev->devfn);    /* Determine slot number. */
-                        dev->irq = irq_tab[slot];
-                        if (pci_modify)
-                                pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq);
-                }
-        }
-}
-
-/*
- * static void hades_conf_device(struct pci_dev *dev)
- *
- * Machine dependent Configure the given device.
- *
- * Parameters:
- *
- * dev          - the pci device.
- */
-
-static void __init hades_conf_device(struct pci_dev *dev)
-{
-        pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, 0);
-}
-
-static struct pci_ops hades_pci_ops = {
-        .read_byte =    hades_read_config_byte,
-        .read_word =    hades_read_config_word,
-        .read_dword =   hades_read_config_dword,
-        .write_byte =   hades_write_config_byte,
-        .write_word =   hades_write_config_word,
-        .write_dword =  hades_write_config_dword
-};
-
-/*
- * struct pci_bus_info *init_hades_pci(void)
- *
- * Machine specific initialisation:
- *
- * - Allocate and initialise a 'pci_bus_info' structure
- * - Initialise hardware
- *
- * Result: pointer to 'pci_bus_info' structure.
- */
-
-struct pci_bus_info * __init init_hades_pci(void)
-{
-        struct pci_bus_info *bus;
-        int i;
-
-        /*
-         * Remap I/O and configuration space.
-         */
-
-        pci_io_base_virt = (unsigned long) ioremap(HADES_IO_BASE, HADES_VIRT_IO_SIZE);
-
-        for (i = 0; i < N_SLOTS; i++)
-                pci_conf_base_virt[i] = (unsigned long) ioremap(pci_conf_base_phys[i], 0x10000);
-
-        /*
-         * Allocate memory for bus info structure.
-         */
-
-        bus = kzalloc(sizeof(struct pci_bus_info), GFP_KERNEL);
-        if (unlikely(!bus))
-                goto iounmap_base_virt;
-
-        /*
-         * Claim resources. The m68k has no separate I/O space, both
-         * PCI memory space and PCI I/O space are in memory space. Therefore
-         * the I/O resources are requested in memory space as well.
-         */
-
-        if (unlikely(request_resource(&iomem_resource, &config_space) != 0))
-                goto free_bus;
-
-        if (unlikely(request_resource(&iomem_resource, &io_space) != 0))
-                goto release_config_space;
-
-        bus->mem_space.start = HADES_MEM_BASE;
-        bus->mem_space.end = HADES_MEM_BASE + HADES_MEM_SIZE - 1;
-        bus->mem_space.name = pci_mem_name;
-#if 1
-        if (unlikely(request_resource(&iomem_resource, &bus->mem_space) != 0))
-                goto release_io_space;
-#endif
-        bus->io_space.start = pci_io_base_virt;
-        bus->io_space.end = pci_io_base_virt + HADES_VIRT_IO_SIZE - 1;
-        bus->io_space.name = pci_io_name;
-#if 1
-        if (unlikely(request_resource(&ioport_resource, &bus->io_space) != 0))
-                goto release_bus_mem_space;
-#endif
-        /*
-         * Set hardware dependent functions.
-         */
-
-        bus->m68k_pci_ops = &hades_pci_ops;
-        bus->fixup = hades_fixup;
-        bus->conf_device = hades_conf_device;
-
-        /*
-         * Select high to low edge for PCI interrupts.
-         */
-
-        tt_mfp.active_edge &= ~0x27;
-
-        return bus;
-
-release_bus_mem_space:
-        release_resource(&bus->mem_space);
-release_io_space:
-        release_resource(&io_space);
-release_config_space:
-        release_resource(&config_space);
-free_bus:
-        kfree(bus);
-iounmap_base_virt:
-        iounmap((void *)pci_io_base_virt);
-
-        for (i = 0; i < N_SLOTS; i++)
-                iounmap((void *)pci_conf_base_virt[i]);
-
-        return NULL;
-}
-#endif