diff options
Diffstat (limited to 'arch/m68k')
| -rw-r--r-- | arch/m68k/Kconfig | 13 | ||||
| -rw-r--r-- | arch/m68k/atari/Makefile | 3 | ||||
| -rw-r--r-- | arch/m68k/atari/ataints.c | 6 | ||||
| -rw-r--r-- | arch/m68k/atari/config.c | 37 | ||||
| -rw-r--r-- | arch/m68k/atari/hades-pci.c | 440 | ||||
| -rw-r--r-- | arch/m68k/kernel/bios32.c | 6 | ||||
| -rw-r--r-- | arch/m68k/kernel/process.c | 2 |
7 files changed, 19 insertions, 488 deletions
diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig index c56af4b..2ec21f7 100644 --- a/arch/m68k/Kconfig +++ b/arch/m68k/Kconfig @@ -122,22 +122,9 @@ config ATARI this kernel on an Atari, say Y here and browse the material available in <file:Documentation/m68k>; otherwise say N. -config HADES - bool "Hades support" - depends on ATARI && BROKEN - help - This option enables support for the Hades Atari clone. If you plan - to use this kernel on a Hades, say Y here; otherwise say N. - config PCI bool - depends on HADES - default y help - Find out whether you have a PCI motherboard. PCI is the name of a - bus system, i.e. the way the CPU talks to the other stuff inside - your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or - VESA. If you have PCI, say Y, otherwise N. config MAC bool "Macintosh support" 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 diff --git a/arch/m68k/kernel/bios32.c b/arch/m68k/kernel/bios32.c index af170c2..1c3b752 100644 --- a/arch/m68k/kernel/bios32.c +++ b/arch/m68k/kernel/bios32.c @@ -476,10 +476,12 @@ void __init pcibios_init(void) printk("Linux/m68k PCI BIOS32 revision %x.%02x\n", MAJOR_REV, MINOR_REV); bus_info = NULL; -#ifdef CONFIG_HADES + +/* Hades code was: if (MACH_IS_HADES) bus_info = init_hades_pci(); -#endif +*/ + if (bus_info != NULL) { printk("PCI: Probing PCI hardware\n"); diff --git a/arch/m68k/kernel/process.c b/arch/m68k/kernel/process.c index 7888cdf..3042c2b 100644 --- a/arch/m68k/kernel/process.c +++ b/arch/m68k/kernel/process.c @@ -78,7 +78,7 @@ unsigned long thread_saved_pc(struct task_struct *tsk) static void default_idle(void) { if (!need_resched()) -#if defined(MACH_ATARI_ONLY) && !defined(CONFIG_HADES) +#if defined(MACH_ATARI_ONLY) /* block out HSYNC on the atari (falcon) */ __asm__("stop #0x2200" : : : "cc"); #else |