summaryrefslogtreecommitdiffstats
path: root/arch/m68k/atari
diff options
context:
space:
mode:
authorAdrian Bunk <bunk@kernel.org>2008-10-13 21:58:59 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-14 10:23:27 -0700
commit29c8a24672e1cdfee99c15b870c57eb30ae69daf (patch)
tree26f67aaca31d878339a99d89e0036d912bdef449 /arch/m68k/atari
parent7477fb6fbc339469ea945e007f3f7b3bb13b25f7 (diff)
downloadop-kernel-dev-29c8a24672e1cdfee99c15b870c57eb30ae69daf.zip
op-kernel-dev-29c8a24672e1cdfee99c15b870c57eb30ae69daf.tar.gz
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>
Diffstat (limited to 'arch/m68k/atari')
-rw-r--r--arch/m68k/atari/Makefile3
-rw-r--r--arch/m68k/atari/ataints.c6
-rw-r--r--arch/m68k/atari/config.c37
-rw-r--r--arch/m68k/atari/hades-pci.c440
4 files changed, 14 insertions, 472 deletions
diff --git a/arch/m68k/atari/Makefile b/arch/m68k/atari/Makefile
index 2cd905e..0cac723 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 b45593a..dba4afa 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 5945e15..af03185 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 2bbabc0..0000000
--- 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
OpenPOWER on IntegriCloud