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-rw-r--r--arch/ppc/kernel/apus_setup.c231
1 files changed, 231 insertions, 0 deletions
diff --git a/arch/ppc/kernel/apus_setup.c b/arch/ppc/kernel/apus_setup.c
index c3a81ad3e..55e57fc5b 100644
--- a/arch/ppc/kernel/apus_setup.c
+++ b/arch/ppc/kernel/apus_setup.c
@@ -14,12 +14,50 @@
#include <linux/sched.h>
#include <linux/kd.h>
#include <linux/init.h>
+#include <linux/hdreg.h>
+
+/* Get the IDE stuff from the 68k file */
+#define ide_init_hwif_ports m68k_ide_init_hwif_ports
+#define ide_default_irq m68k_ide_default_irq
+#define ide_default_io_base m68k_ide_default_io_base
+#define ide_check_region m68k_ide_check_region
+#define ide_request_region m68k_ide_request_region
+#define ide_release_region m68k_ide_release_region
+#define ide_fix_driveid m68k_ide_fix_driveid
+#include <asm-m68k/ide.h>
+#undef ide_init_hwif_ports
+#define ide_default_irq
+#define ide_default_io_base
+#define ide_check_region
+#define ide_request_region
+#define ide_release_region
+#define ide_fix_driveid
+
#include <asm/setup.h>
#include <asm/amigahw.h>
#include <asm/amigappc.h>
#include <asm/pgtable.h>
#include <asm/io.h>
+#include <asm/machdep.h>
+#include <asm/ide.h>
+
+#include "time.h"
+#include "local_irq.h"
+
+unsigned long apus_get_rtc_time(void);
+int apus_set_rtc_time(unsigned long nowtime);
+
+/* APUS defs */
+extern int parse_bootinfo(const struct bi_record *);
+extern char _end[];
+#ifdef CONFIG_APUS
+struct mem_info ramdisk;
+unsigned long isa_io_base;
+unsigned long isa_mem_base;
+unsigned long pci_dram_offset;
+#endif
+/* END APUS defs */
unsigned long m68k_machtype;
char debug_device[6] = "";
@@ -72,6 +110,8 @@ __initfunc(void apus_setup_arch(unsigned long * memory_start_p,
int i;
char *p, *q;
+ m68k_machtype = MACH_AMIGA;
+
/* Parse the command line for arch-specific options.
* For the m68k, this is currently only "debug=xxx" to enable printing
* certain kernel messages to some machine-specific device. */
@@ -409,3 +449,194 @@ void cache_clear(__u32 addr, int length)
"isync \n\t"
: : "r" (addr));
}
+
+void
+apus_restart(char *cmd)
+{
+ cli();
+
+ APUS_WRITE(APUS_REG_LOCK,
+ REGLOCK_BLACKMAGICK1|REGLOCK_BLACKMAGICK2);
+ APUS_WRITE(APUS_REG_LOCK,
+ REGLOCK_BLACKMAGICK1|REGLOCK_BLACKMAGICK3);
+ APUS_WRITE(APUS_REG_LOCK,
+ REGLOCK_BLACKMAGICK2|REGLOCK_BLACKMAGICK3);
+ APUS_WRITE(APUS_REG_SHADOW, REGSHADOW_SELFRESET);
+ APUS_WRITE(APUS_REG_RESET, REGRESET_AMIGARESET);
+ for(;;);
+}
+
+void
+apus_power_off(void)
+{
+ for (;;);
+}
+
+void
+apus_halt(void)
+{
+ apus_restart(NULL);
+}
+
+void
+apus_do_IRQ(struct pt_regs *regs,
+ int cpu,
+ int isfake)
+{
+ int old_level, new_level;
+
+ /* I don't think we need SMP code here - Corey */
+
+ old_level = ~(regs->mq) & IPLEMU_IPLMASK;
+ new_level = (~(regs->mq) >> 3) & IPLEMU_IPLMASK;
+ if (new_level != 0)
+ {
+ APUS_WRITE(APUS_IPL_EMU, IPLEMU_IPLMASK);
+ APUS_WRITE(APUS_IPL_EMU, (IPLEMU_SETRESET
+ | (~(new_level) & IPLEMU_IPLMASK)));
+ APUS_WRITE(APUS_IPL_EMU, IPLEMU_DISABLEINT);
+
+ process_int (VEC_SPUR+new_level, regs);
+ APUS_WRITE(APUS_IPL_EMU, IPLEMU_SETRESET | IPLEMU_DISABLEINT);
+ APUS_WRITE(APUS_IPL_EMU, IPLEMU_IPLMASK);
+ APUS_WRITE(APUS_IPL_EMU, (IPLEMU_SETRESET
+ | (~(old_level) & IPLEMU_IPLMASK)));
+ }
+ APUS_WRITE(APUS_IPL_EMU, IPLEMU_DISABLEINT);
+}
+
+#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
+/*
+ * IDE stuff.
+ */
+void
+apus_ide_insw(ide_ioreg_t port, void *buf, int ns)
+{
+ ide_insw(port, buf, ns);
+}
+
+void
+apus_ide_outsw(ide_ioreg_t port, void *buf, int ns)
+{
+ ide_outsw(port, buf, ns);
+}
+
+int
+apus_ide_default_irq(ide_ioreg_t base)
+{
+ m68k_ide_default_irq(base);
+}
+
+ide_ioreg_t
+apus_ide_default_io_base(int index)
+{
+ m68k_ide_default_io_base(index);
+}
+
+int
+apus_ide_check_region(ide_ioreg_t from, unsigned int extent)
+{
+ return m68k_ide_check_region(from, extent);
+}
+
+void
+apus_ide_request_region(ide_ioreg_t from,
+ unsigned int extent,
+ const char *name)
+{
+ m68k_ide_request_region(from, extent, name);
+}
+
+void
+apus_ide_release_region(ide_ioreg_t from,
+ unsigned int extent)
+{
+ m68k_ide_release_region(from, extent);
+}
+
+void
+apus_ide_fix_driveid(struct hd_driveid *id)
+{
+ m68k_ide_fix_driveid(id);
+}
+
+__initfunc(void
+apus_ide_init_hwif_ports (ide_ioreg_t *p, ide_ioreg_t base, int *irq))
+{
+ m68k_ide_init_hwif_ports(p, base, irq);
+}
+#endif
+
+__initfunc(void
+apus_local_init_IRQ(void))
+{
+ ppc_md.mask_irq = amiga_disable_irq;
+ ppc_md.unmask_irq = amiga_enable_irq;
+ apus_init_IRQ();
+}
+
+__initfunc(void
+apus_init(unsigned long r3, unsigned long r4, unsigned long r5,
+ unsigned long r6, unsigned long r7))
+{
+ /* Parse bootinfo. The bootinfo is located right after
+ the kernel bss */
+ parse_bootinfo((const struct bi_record *)&_end);
+#ifdef CONFIG_BLK_DEV_INITRD
+ /* Take care of initrd if we have one. Use data from
+ bootinfo to avoid the need to initialize PPC
+ registers when kernel is booted via a PPC reset. */
+ if ( ramdisk.addr ) {
+ initrd_start = (unsigned long) __va(ramdisk.addr);
+ initrd_end = (unsigned long)
+ __va(ramdisk.size + ramdisk.addr);
+ }
+ /* Make sure code below is not executed. */
+ r4 = 0;
+ r6 = 0;
+#endif /* CONFIG_BLK_DEV_INITRD */
+
+ ISA_DMA_THRESHOLD = 0x00ffffff;
+
+ ppc_md.setup_arch = apus_setup_arch;
+ ppc_md.setup_residual = NULL;
+ ppc_md.get_cpuinfo = apus_get_cpuinfo;
+ ppc_md.irq_cannonicalize = NULL;
+ ppc_md.init_IRQ = apus_init_IRQ;
+ ppc_md.do_IRQ = apus_do_IRQ;
+ ppc_md.get_irq_source = NULL;
+ ppc_md.init = NULL;
+
+ ppc_md.restart = apus_restart;
+ ppc_md.power_off = apus_power_off;
+ ppc_md.halt = apus_halt;
+
+ ppc_md.time_init = NULL;
+ ppc_md.set_rtc_time = apus_set_rtc_time;
+ ppc_md.get_rtc_time = apus_get_rtc_time;
+ ppc_md.calibrate_decr = apus_calibrate_decr;
+
+ /* These should not be used for the APUS yet, since it uses
+ the M68K keyboard now. */
+ ppc_md.kbd_setkeycode = NULL;
+ ppc_md.kbd_getkeycode = NULL;
+ ppc_md.kbd_translate = NULL;
+ ppc_md.kbd_unexpected_up = NULL;
+ ppc_md.kbd_leds = NULL;
+ ppc_md.kbd_init_hw = NULL;
+ ppc_md.kbd_sysrq_xlate = NULL;
+
+#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
+ ppc_ide_md.insw = apus_ide_insw;
+ ppc_ide_md.outsw = apus_ide_outsw;
+ ppc_ide_md.default_irq = apus_ide_default_irq;
+ ppc_ide_md.default_io_base = apus_ide_default_io_base;
+ ppc_ide_md.check_region = apus_ide_check_region;
+ ppc_ide_md.request_region = apus_ide_request_region;
+ ppc_ide_md.release_region = apus_ide_release_region;
+ ppc_ide_md.fix_driveid = apus_ide_fix_driveid;
+ ppc_ide_md.ide_init_hwif = apus_ide_init_hwif_ports;
+
+ ppc_ide_md.io_base = _IO_BASE;
+#endif
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 22:36:55 +0000