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-rw-r--r--arch/m68k/Kconfig.debug11
-rw-r--r--arch/m68k/Kconfig.devices46
-rw-r--r--arch/m68k/atari/ataints.c2
-rw-r--r--arch/m68k/atari/debug.c1
-rw-r--r--arch/m68k/configs/amiga_defconfig1
-rw-r--r--arch/m68k/configs/apollo_defconfig2
-rw-r--r--arch/m68k/configs/atari_defconfig3
-rw-r--r--arch/m68k/configs/multi_defconfig5
-rw-r--r--arch/m68k/configs/mvme16x_defconfig2
-rw-r--r--arch/m68k/emu/nfeth.c2
-rw-r--r--arch/m68k/hp300/config.c3
-rw-r--r--arch/m68k/include/asm/atarihw.h2
-rw-r--r--arch/m68k/include/asm/blinken.h8
-rw-r--r--arch/m68k/include/asm/mac_baboon.h6
-rw-r--r--arch/m68k/include/asm/mac_iop.h2
-rw-r--r--arch/m68k/include/asm/mac_oss.h23
-rw-r--r--arch/m68k/include/asm/mac_psc.h4
-rw-r--r--arch/m68k/include/asm/mac_via.h9
-rw-r--r--arch/m68k/include/asm/macintosh.h10
-rw-r--r--arch/m68k/include/asm/macints.h6
-rw-r--r--arch/m68k/include/asm/serial.h2
-rw-r--r--arch/m68k/include/asm/unistd.h10
-rw-r--r--arch/m68k/kernel/head.S117
-rw-r--r--arch/m68k/mac/baboon.c41
-rw-r--r--arch/m68k/mac/config.c93
-rw-r--r--arch/m68k/mac/iop.c8
-rw-r--r--arch/m68k/mac/macints.c197
-rw-r--r--arch/m68k/mac/oss.c157
-rw-r--r--arch/m68k/mac/psc.c17
-rw-r--r--arch/m68k/mac/via.c255
-rw-r--r--arch/m68k/mvme16x/config.c160
31 files changed, 577 insertions, 628 deletions
diff --git a/arch/m68k/Kconfig.debug b/arch/m68k/Kconfig.debug
index af4fd5f8f8d5..87233acef18b 100644
--- a/arch/m68k/Kconfig.debug
+++ b/arch/m68k/Kconfig.debug
@@ -10,6 +10,17 @@ config BOOTPARAM_STRING
default 'console=ttyS0,19200'
depends on BOOTPARAM
+config EARLY_PRINTK
+ bool "Early printk" if EMBEDDED
+ depends on MVME16x || MAC
+ default y
+ help
+ Write kernel log output directly to a serial port.
+
+ This is useful for kernel debugging when your machine crashes very
+ early before the console code is initialized.
+ You should normally say N here, unless you want to debug such a crash.
+
if !MMU
config FULLDEBUG
diff --git a/arch/m68k/Kconfig.devices b/arch/m68k/Kconfig.devices
index 6033f5d4e67e..04a3d9be90e9 100644
--- a/arch/m68k/Kconfig.devices
+++ b/arch/m68k/Kconfig.devices
@@ -8,8 +8,8 @@ config ARCH_MAY_HAVE_PC_FDC
menu "Platform devices"
config HEARTBEAT
- bool "Use power LED as a heartbeat" if AMIGA || APOLLO || ATARI || MAC ||Q40
- default y if !AMIGA && !APOLLO && !ATARI && !MAC && !Q40 && HP300
+ bool "Use power LED as a heartbeat" if AMIGA || APOLLO || ATARI || Q40
+ default y if !AMIGA && !APOLLO && !ATARI && !Q40 && HP300
help
Use the power-on LED on your machine as a load meter. The exact
behavior is platform-dependent, but normally the flash frequency is
@@ -59,27 +59,6 @@ endmenu
menu "Character devices"
-config ATARI_MFPSER
- tristate "Atari MFP serial support"
- depends on ATARI
- ---help---
- If you like to use the MFP serial ports ("Modem1", "Serial1") under
- Linux, say Y. The driver equally supports all kinds of MFP serial
- ports and automatically detects whether Serial1 is available.
-
- To compile this driver as a module, choose M here.
-
- Note for Falcon users: You also have an MFP port, it's just not
- wired to the outside... But you could use the port under Linux.
-
-config ATARI_MIDI
- tristate "Atari MIDI serial support"
- depends on ATARI
- help
- If you want to use your Atari's MIDI port in Linux, say Y.
-
- To compile this driver as a module, choose M here.
-
config ATARI_DSP56K
tristate "Atari DSP56k support (EXPERIMENTAL)"
depends on ATARI && EXPERIMENTAL
@@ -99,15 +78,6 @@ config AMIGA_BUILTIN_SERIAL
To compile this driver as a module, choose M here.
-config MULTIFACE_III_TTY
- tristate "Multiface Card III serial support"
- depends on AMIGA
- help
- If you want to use a Multiface III card's serial port in Linux,
- answer Y.
-
- To compile this driver as a module, choose M here.
-
config HPDCA
tristate "HP DCA serial support"
depends on DIO && SERIAL_8250
@@ -122,13 +92,9 @@ config HPAPCI
If you want to use the internal "APCI" serial ports on an HP400
machine, say Y here.
-config DN_SERIAL
- bool "Support for DN serial port (dummy)"
- depends on APOLLO
-
config SERIAL_CONSOLE
bool "Support for serial port console"
- depends on (AMIGA || ATARI || SUN3 || SUN3X || VME || APOLLO) && (ATARI_MFPSER=y || ATARI_MIDI=y || AMIGA_BUILTIN_SERIAL=y || MULTIFACE_III_TTY=y || SERIAL=y || SERIAL167 || DN_SERIAL)
+ depends on AMIGA_BUILTIN_SERIAL=y
---help---
If you say Y here, it will be possible to use a serial port as the
system console (the system console is the device which receives all
@@ -140,10 +106,10 @@ config SERIAL_CONSOLE
(/dev/tty0) will still be used as the system console by default, but
you can alter that using a kernel command line option such as
"console=ttyS1". (Try "man bootparam" or see the documentation of
- your boot loader (lilo or loadlin) about how to pass options to the
- kernel at boot time.)
+ your boot loader about how to pass options to the kernel at boot
+ time.)
- If you don't have a VGA card installed and you say Y here, the
+ If you don't have a graphical console and you say Y here, the
kernel will automatically use the first serial line, /dev/ttyS0, as
system console.
diff --git a/arch/m68k/atari/ataints.c b/arch/m68k/atari/ataints.c
index 6d196dadfdbc..8048e1b7e552 100644
--- a/arch/m68k/atari/ataints.c
+++ b/arch/m68k/atari/ataints.c
@@ -82,8 +82,6 @@ __ALIGN_STR "\n\t"
extern void atari_microwire_cmd(int cmd);
-extern int atari_SCC_reset_done;
-
static unsigned int atari_irq_startup(struct irq_data *data)
{
unsigned int irq = data->irq;
diff --git a/arch/m68k/atari/debug.c b/arch/m68k/atari/debug.c
index 5a484247e493..a547ba9683d1 100644
--- a/arch/m68k/atari/debug.c
+++ b/arch/m68k/atari/debug.c
@@ -202,7 +202,6 @@ static void __init atari_init_mfp_port(int cflag)
static void __init atari_init_scc_port(int cflag)
{
- extern int atari_SCC_reset_done;
static int clksrc_table[9] =
/* reg 11: 0x50 = BRG, 0x00 = RTxC, 0x28 = TRxC */
{ 0x50, 0x50, 0x50, 0x50, 0x50, 0x50, 0x50, 0x00, 0x00 };
diff --git a/arch/m68k/configs/amiga_defconfig b/arch/m68k/configs/amiga_defconfig
index dbb49fc6463b..e93fdae10b23 100644
--- a/arch/m68k/configs/amiga_defconfig
+++ b/arch/m68k/configs/amiga_defconfig
@@ -255,7 +255,6 @@ CONFIG_HID=m
CONFIG_HIDRAW=y
# CONFIG_USB_SUPPORT is not set
CONFIG_AMIGA_BUILTIN_SERIAL=y
-CONFIG_MULTIFACE_III_TTY=m
CONFIG_SERIAL_CONSOLE=y
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
diff --git a/arch/m68k/configs/apollo_defconfig b/arch/m68k/configs/apollo_defconfig
index 562b221f6951..66b26c1e848c 100644
--- a/arch/m68k/configs/apollo_defconfig
+++ b/arch/m68k/configs/apollo_defconfig
@@ -223,8 +223,6 @@ CONFIG_LOGO=y
CONFIG_HID=m
CONFIG_HIDRAW=y
# CONFIG_USB_SUPPORT is not set
-CONFIG_DN_SERIAL=y
-CONFIG_SERIAL_CONSOLE=y
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
diff --git a/arch/m68k/configs/atari_defconfig b/arch/m68k/configs/atari_defconfig
index 82978df637fa..151332515980 100644
--- a/arch/m68k/configs/atari_defconfig
+++ b/arch/m68k/configs/atari_defconfig
@@ -235,10 +235,7 @@ CONFIG_DMASOUND_ATARI=m
CONFIG_HID=m
CONFIG_HIDRAW=y
# CONFIG_USB_SUPPORT is not set
-CONFIG_ATARI_MFPSER=y
-CONFIG_ATARI_MIDI=y
CONFIG_ATARI_DSP56K=m
-CONFIG_SERIAL_CONSOLE=y
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
diff --git a/arch/m68k/configs/multi_defconfig b/arch/m68k/configs/multi_defconfig
index ad9e85760e34..55d394edf633 100644
--- a/arch/m68k/configs/multi_defconfig
+++ b/arch/m68k/configs/multi_defconfig
@@ -318,13 +318,8 @@ CONFIG_DMASOUND_Q40=m
CONFIG_HID=m
CONFIG_HIDRAW=y
# CONFIG_USB_SUPPORT is not set
-CONFIG_ATARI_MFPSER=y
-CONFIG_ATARI_MIDI=y
CONFIG_ATARI_DSP56K=m
CONFIG_AMIGA_BUILTIN_SERIAL=y
-CONFIG_MULTIFACE_III_TTY=m
-CONFIG_SERIAL167=y
-CONFIG_DN_SERIAL=y
CONFIG_SERIAL_CONSOLE=y
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
diff --git a/arch/m68k/configs/mvme16x_defconfig b/arch/m68k/configs/mvme16x_defconfig
index c45aaf3b816f..cdb70d66e535 100644
--- a/arch/m68k/configs/mvme16x_defconfig
+++ b/arch/m68k/configs/mvme16x_defconfig
@@ -218,8 +218,6 @@ CONFIG_GEN_RTC_X=y
CONFIG_HID=m
CONFIG_HIDRAW=y
# CONFIG_USB_SUPPORT is not set
-CONFIG_SERIAL167=y
-CONFIG_SERIAL_CONSOLE=y
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
diff --git a/arch/m68k/emu/nfeth.c b/arch/m68k/emu/nfeth.c
index c5748bb4ea71..a985a7e87d45 100644
--- a/arch/m68k/emu/nfeth.c
+++ b/arch/m68k/emu/nfeth.c
@@ -39,7 +39,7 @@ enum {
#define MAX_UNIT 8
/* These identify the driver base version and may not be removed. */
-static const char version[] __devinitdata =
+static const char version[] __devinitconst =
KERN_INFO KBUILD_MODNAME ".c:v" DRV_VERSION " " DRV_RELDATE
" S.Opichal, M.Jurik, P.Stehlik\n"
KERN_INFO " http://aranym.org/\n";
diff --git a/arch/m68k/hp300/config.c b/arch/m68k/hp300/config.c
index 1c05a6260546..bf16af1edacf 100644
--- a/arch/m68k/hp300/config.c
+++ b/arch/m68k/hp300/config.c
@@ -24,7 +24,8 @@
unsigned long hp300_model;
unsigned long hp300_uart_scode = -1;
-unsigned char ledstate;
+unsigned char hp300_ledstate;
+EXPORT_SYMBOL(hp300_ledstate);
static char s_hp330[] __initdata = "330";
static char s_hp340[] __initdata = "340";
diff --git a/arch/m68k/include/asm/atarihw.h b/arch/m68k/include/asm/atarihw.h
index 0392b28656ab..c0cb36350775 100644
--- a/arch/m68k/include/asm/atarihw.h
+++ b/arch/m68k/include/asm/atarihw.h
@@ -30,6 +30,8 @@ extern u_long atari_switches;
extern int atari_rtc_year_offset;
extern int atari_dont_touch_floppy_select;
+extern int atari_SCC_reset_done;
+
/* convenience macros for testing machine type */
#define MACH_IS_ST ((atari_mch_cookie >> 16) == ATARI_MCH_ST)
#define MACH_IS_STE ((atari_mch_cookie >> 16) == ATARI_MCH_STE && \
diff --git a/arch/m68k/include/asm/blinken.h b/arch/m68k/include/asm/blinken.h
index 1a749cf7b06d..0626582a7db4 100644
--- a/arch/m68k/include/asm/blinken.h
+++ b/arch/m68k/include/asm/blinken.h
@@ -17,15 +17,15 @@
#define HP300_LEDS 0xf001ffff
-extern unsigned char ledstate;
+extern unsigned char hp300_ledstate;
static __inline__ void blinken_leds(int on, int off)
{
if (MACH_IS_HP300)
{
- ledstate |= on;
- ledstate &= ~off;
- out_8(HP300_LEDS, ~ledstate);
+ hp300_ledstate |= on;
+ hp300_ledstate &= ~off;
+ out_8(HP300_LEDS, ~hp300_ledstate);
}
}
diff --git a/arch/m68k/include/asm/mac_baboon.h b/arch/m68k/include/asm/mac_baboon.h
index c2a042b8c349..a2d32f6589f9 100644
--- a/arch/m68k/include/asm/mac_baboon.h
+++ b/arch/m68k/include/asm/mac_baboon.h
@@ -29,4 +29,10 @@ struct baboon {
*/
};
+extern int baboon_present;
+
+extern void baboon_register_interrupts(void);
+extern void baboon_irq_enable(int);
+extern void baboon_irq_disable(int);
+
#endif /* __ASSEMBLY **/
diff --git a/arch/m68k/include/asm/mac_iop.h b/arch/m68k/include/asm/mac_iop.h
index a2c7e6fcca38..fde874a01e20 100644
--- a/arch/m68k/include/asm/mac_iop.h
+++ b/arch/m68k/include/asm/mac_iop.h
@@ -159,4 +159,6 @@ extern void iop_upload_code(uint, __u8 *, uint, __u16);
extern void iop_download_code(uint, __u8 *, uint, __u16);
extern __u8 *iop_compare_code(uint, __u8 *, uint, __u16);
+extern void iop_register_interrupts(void);
+
#endif /* __ASSEMBLY__ */
diff --git a/arch/m68k/include/asm/mac_oss.h b/arch/m68k/include/asm/mac_oss.h
index 3cf2b6ed685a..425fbff4f4d8 100644
--- a/arch/m68k/include/asm/mac_oss.h
+++ b/arch/m68k/include/asm/mac_oss.h
@@ -58,25 +58,6 @@
#define OSS_POWEROFF 0x80
-/*
- * OSS Interrupt levels for various sub-systems
- *
- * This mapping is laid out with two things in mind: first, we try to keep
- * things on their own levels to avoid having to do double-dispatches. Second,
- * the levels match as closely as possible the alternate IRQ mapping mode (aka
- * "A/UX mode") available on some VIA machines.
- */
-
-#define OSS_IRQLEV_DISABLED 0
-#define OSS_IRQLEV_IOPISM 1 /* ADB? */
-#define OSS_IRQLEV_SCSI IRQ_AUTO_2
-#define OSS_IRQLEV_NUBUS IRQ_AUTO_3 /* keep this on its own level */
-#define OSS_IRQLEV_IOPSCC IRQ_AUTO_4 /* matches VIA alternate mapping */
-#define OSS_IRQLEV_SOUND IRQ_AUTO_5 /* matches VIA alternate mapping */
-#define OSS_IRQLEV_60HZ 6 /* matches VIA alternate mapping */
-#define OSS_IRQLEV_VIA1 IRQ_AUTO_6 /* matches VIA alternate mapping */
-#define OSS_IRQLEV_PARITY 7 /* matches VIA alternate mapping */
-
#ifndef __ASSEMBLY__
struct mac_oss {
@@ -91,4 +72,8 @@ struct mac_oss {
extern volatile struct mac_oss *oss;
extern int oss_present;
+extern void oss_register_interrupts(void);
+extern void oss_irq_enable(int);
+extern void oss_irq_disable(int);
+
#endif /* __ASSEMBLY__ */
diff --git a/arch/m68k/include/asm/mac_psc.h b/arch/m68k/include/asm/mac_psc.h
index 7808bb0b2323..e5c0d71d1543 100644
--- a/arch/m68k/include/asm/mac_psc.h
+++ b/arch/m68k/include/asm/mac_psc.h
@@ -211,6 +211,10 @@
extern volatile __u8 *psc;
extern int psc_present;
+extern void psc_register_interrupts(void);
+extern void psc_irq_enable(int);
+extern void psc_irq_disable(int);
+
/*
* Access functions
*/
diff --git a/arch/m68k/include/asm/mac_via.h b/arch/m68k/include/asm/mac_via.h
index a59665e1d41b..aeeedf8b2d25 100644
--- a/arch/m68k/include/asm/mac_via.h
+++ b/arch/m68k/include/asm/mac_via.h
@@ -254,6 +254,15 @@
extern volatile __u8 *via1,*via2;
extern int rbv_present,via_alt_mapping;
+extern void via_register_interrupts(void);
+extern void via_irq_enable(int);
+extern void via_irq_disable(int);
+extern void via_nubus_irq_startup(int irq);
+extern void via_nubus_irq_shutdown(int irq);
+extern void via1_irq(unsigned int irq, struct irq_desc *desc);
+extern void via1_set_head(int);
+extern int via2_scsi_drq_pending(void);
+
static inline int rbv_set_video_bpp(int bpp)
{
char val = (bpp==1)?0:(bpp==2)?1:(bpp==4)?2:(bpp==8)?3:-1;
diff --git a/arch/m68k/include/asm/macintosh.h b/arch/m68k/include/asm/macintosh.h
index 12ebe43b008b..682a1a2ff55f 100644
--- a/arch/m68k/include/asm/macintosh.h
+++ b/arch/m68k/include/asm/macintosh.h
@@ -11,17 +11,11 @@
extern void mac_reset(void);
extern void mac_poweroff(void);
extern void mac_init_IRQ(void);
-extern int mac_irq_pending(unsigned int);
+
extern void mac_irq_enable(struct irq_data *data);
extern void mac_irq_disable(struct irq_data *data);
/*
- * Floppy driver magic hook - probably shouldn't be here
- */
-
-extern void via1_set_head(int);
-
-/*
* Macintosh Table
*/
@@ -48,7 +42,7 @@ struct mac_model
#define MAC_ADB_IOP 6
#define MAC_VIA_II 1
-#define MAC_VIA_IIci 2
+#define MAC_VIA_IICI 2
#define MAC_VIA_QUADRA 3
#define MAC_SCSI_NONE 0
diff --git a/arch/m68k/include/asm/macints.h b/arch/m68k/include/asm/macints.h
index ebe1b70fe90c..92aa8a4c2d03 100644
--- a/arch/m68k/include/asm/macints.h
+++ b/arch/m68k/include/asm/macints.h
@@ -104,6 +104,9 @@
#define IRQ_PSC4_3 (35)
#define IRQ_MAC_MACE_DMA IRQ_PSC4_3
+/* OSS Level 4 interrupts */
+#define IRQ_MAC_SCC (33)
+
/* Level 5 (PSC, AV Macs only) interrupts */
#define IRQ_PSC5_0 (40)
#define IRQ_PSC5_1 (41)
@@ -131,9 +134,6 @@
#define IRQ_BABOON_2 (66)
#define IRQ_BABOON_3 (67)
-/* On non-PSC machines, the serial ports share an IRQ */
-#define IRQ_MAC_SCC IRQ_AUTO_4
-
#define SLOT2IRQ(x) (x + 47)
#define IRQ2SLOT(x) (x - 47)
diff --git a/arch/m68k/include/asm/serial.h b/arch/m68k/include/asm/serial.h
index 2b90d6e69070..7267536adbcc 100644
--- a/arch/m68k/include/asm/serial.h
+++ b/arch/m68k/include/asm/serial.h
@@ -25,9 +25,11 @@
#define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF
#endif
+#ifdef CONFIG_ISA
#define SERIAL_PORT_DFNS \
/* UART CLK PORT IRQ FLAGS */ \
{ 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \
{ 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS }, /* ttyS1 */ \
{ 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS }, /* ttyS2 */ \
{ 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */
+#endif
diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h
index 303192fc9260..ea0b502f845e 100644
--- a/arch/m68k/include/asm/unistd.h
+++ b/arch/m68k/include/asm/unistd.h
@@ -132,10 +132,10 @@
#define __NR_adjtimex 124
#define __NR_mprotect 125
#define __NR_sigprocmask 126
-/*#define __NR_create_module 127*/
+#define __NR_create_module 127
#define __NR_init_module 128
#define __NR_delete_module 129
-/*#define __NR_get_kernel_syms 130*/
+#define __NR_get_kernel_syms 130
#define __NR_quotactl 131
#define __NR_getpgid 132
#define __NR_fchdir 133
@@ -172,7 +172,7 @@
#define __NR_setresuid 164
#define __NR_getresuid 165
#define __NR_getpagesize 166
-/*#define __NR_query_module 167*/
+#define __NR_query_module 167
#define __NR_poll 168
#define __NR_nfsservctl 169
#define __NR_setresgid 170
@@ -193,8 +193,8 @@
#define __NR_capset 185
#define __NR_sigaltstack 186
#define __NR_sendfile 187
-/*#define __NR_getpmsg 188*/ /* some people actually want streams */
-/*#define __NR_putpmsg 189*/ /* some people actually want streams */
+#define __NR_getpmsg 188 /* some people actually want streams */
+#define __NR_putpmsg 189 /* some people actually want streams */
#define __NR_vfork 190
#define __NR_ugetrlimit 191
#define __NR_mmap2 192
diff --git a/arch/m68k/kernel/head.S b/arch/m68k/kernel/head.S
index 27622b3273c1..d197e7ff62c5 100644
--- a/arch/m68k/kernel/head.S
+++ b/arch/m68k/kernel/head.S
@@ -250,9 +250,8 @@
* USE_MFP: Use the ST-MFP port (Modem1) for serial debug.
*
* Macintosh constants:
- * MAC_SERIAL_DEBUG: Turns on serial debug output for the Macintosh.
- * MAC_USE_SCC_A: Use the SCC port A (modem) for serial debug.
- * MAC_USE_SCC_B: Use the SCC port B (printer) for serial debug (default).
+ * MAC_USE_SCC_A: Use SCC port A (modem) for serial debug and early console.
+ * MAC_USE_SCC_B: Use SCC port B (printer) for serial debug and early console.
*/
#include <linux/linkage.h>
@@ -268,33 +267,25 @@
#include <asm/machw.h>
-/*
- * Macintosh console support
- */
-
#ifdef CONFIG_FRAMEBUFFER_CONSOLE
#define CONSOLE
#define CONSOLE_PENGUIN
#endif
-/*
- * Macintosh serial debug support; outputs boot info to the printer
- * and/or modem serial ports
- */
-#undef MAC_SERIAL_DEBUG
+#ifdef CONFIG_EARLY_PRINTK
+#define SERIAL_DEBUG
+#else
+#undef SERIAL_DEBUG
+#endif
-/*
- * Macintosh serial debug port selection; define one or both;
- * requires MAC_SERIAL_DEBUG to be defined
- */
-#define MAC_USE_SCC_A /* Macintosh modem serial port */
-#define MAC_USE_SCC_B /* Macintosh printer serial port */
+#else /* !CONFIG_MAC */
-#endif /* CONFIG_MAC */
+#define SERIAL_DEBUG
+
+#endif /* !CONFIG_MAC */
#undef MMU_PRINT
#undef MMU_NOCACHE_KERNEL
-#define SERIAL_DEBUG
#undef DEBUG
/*
@@ -655,11 +646,11 @@ ENTRY(__start)
lea %pc@(L(mac_rowbytes)),%a1
movel %a0@,%a1@
-#ifdef MAC_SERIAL_DEBUG
+#ifdef SERIAL_DEBUG
get_bi_record BI_MAC_SCCBASE
lea %pc@(L(mac_sccbase)),%a1
movel %a0@,%a1@
-#endif /* MAC_SERIAL_DEBUG */
+#endif
#if 0
/*
@@ -1427,7 +1418,7 @@ L(mmu_fixup_done):
subl %d0,L(console_font)
subl %d0,L(console_font_data)
#endif
-#ifdef MAC_SERIAL_DEBUG
+#ifdef SERIAL_DEBUG
orl #0x50000000,L(mac_sccbase)
#endif
1:
@@ -1917,7 +1908,7 @@ mmu_030_print:
jbne 30b
mmu_print_done:
- puts "\n\n"
+ puts "\n"
func_return mmu_print
@@ -2768,7 +2759,7 @@ L(scc_initable_mac):
.byte 9,0 /* no interrupts */
.byte 10,0 /* NRZ */
.byte 11,0x50 /* use baud rate generator */
- .byte 12,10,13,0 /* 9600 baud */
+ .byte 12,1,13,0 /* 38400 baud */
.byte 14,1 /* Baud rate generator enable */
.byte 3,0xc1 /* enable receiver */
.byte 5,0xea /* enable transmitter */
@@ -2906,10 +2897,12 @@ func_start serial_init,%d0/%d1/%a0/%a1
#endif
#ifdef CONFIG_MAC
is_not_mac(L(serial_init_not_mac))
-#ifdef MAC_SERIAL_DEBUG
-#if !defined(MAC_USE_SCC_A) && !defined(MAC_USE_SCC_B)
-#define MAC_USE_SCC_B
-#endif
+
+#ifdef SERIAL_DEBUG
+/* You may define either or both of these. */
+#define MAC_USE_SCC_A /* Modem port */
+#define MAC_USE_SCC_B /* Printer port */
+
#define mac_scc_cha_b_ctrl_offset 0x0
#define mac_scc_cha_a_ctrl_offset 0x2
#define mac_scc_cha_b_data_offset 0x4
@@ -2940,7 +2933,7 @@ func_start serial_init,%d0/%d1/%a0/%a1
jra 7b
8:
#endif /* MAC_USE_SCC_B */
-#endif /* MAC_SERIAL_DEBUG */
+#endif /* SERIAL_DEBUG */
jra L(serial_init_done)
L(serial_init_not_mac):
@@ -3011,7 +3004,7 @@ func_start serial_putc,%d0/%d1/%a0/%a1
#ifdef CONFIG_MAC
is_not_mac(5f)
-#ifdef MAC_SERIAL_DEBUG
+#ifdef SERIAL_DEBUG
#ifdef MAC_USE_SCC_A
movel %pc@(L(mac_sccbase)),%a1
@@ -3029,7 +3022,7 @@ func_start serial_putc,%d0/%d1/%a0/%a1
moveb %d0,%a1@(mac_scc_cha_b_data_offset)
#endif /* MAC_USE_SCC_B */
-#endif /* MAC_SERIAL_DEBUG */
+#endif /* SERIAL_DEBUG */
jra L(serial_putc_done)
5:
@@ -3248,33 +3241,39 @@ func_return putn
#ifdef CONFIG_MAC
/*
- * mac_serial_print
+ * mac_early_print
*
* This routine takes its parameters on the stack. It then
- * turns around and calls the internal routine. This routine
- * is used until the Linux console driver initializes itself.
+ * turns around and calls the internal routines. This routine
+ * is used by the boot console.
*
* The calling parameters are:
- * void mac_serial_print(const char *str);
+ * void mac_early_print(const char *str, unsigned length);
*
* This routine does NOT understand variable arguments only
* simple strings!
*/
-ENTRY(mac_serial_print)
- moveml %d0/%a0,%sp@-
-#if 1
- move %sr,%sp@-
+ENTRY(mac_early_print)
+ moveml %d0/%d1/%a0,%sp@-
+ movew %sr,%sp@-
ori #0x0700,%sr
-#endif
- movel %sp@(10),%a0 /* fetch parameter */
+ movel %sp@(18),%a0 /* fetch parameter */
+ movel %sp@(22),%d1 /* fetch parameter */
jra 2f
-1: serial_putc %d0
-2: moveb %a0@+,%d0
- jne 1b
-#if 1
- move %sp@+,%sr
+1:
+#ifdef CONSOLE
+ console_putc %d0
#endif
- moveml %sp@+,%d0/%a0
+#ifdef SERIAL_DEBUG
+ serial_putc %d0
+#endif
+ subq #1,%d1
+2: jeq 3f
+ moveb %a0@+,%d0
+ jne 1b
+3:
+ movew %sp@+,%sr
+ moveml %sp@+,%d0/%d1/%a0
rts
#endif /* CONFIG_MAC */
@@ -3409,10 +3408,10 @@ func_start console_put_stats,%a0/%d7
* a0 = pointer to boot_info
* d7 = value of boot_info fields
*/
- puts "\nMacLinux\n\n"
+ puts "\nMacLinux\n"
#ifdef SERIAL_DEBUG
- puts " vidaddr:"
+ puts "\n vidaddr:"
putn %pc@(L(mac_videobase)) /* video addr. */
puts "\n _stext:"
@@ -3423,19 +3422,21 @@ func_start console_put_stats,%a0/%d7
lea %pc@(_end),%a0
putn %a0
- puts "\ncpuid:"
+ puts "\n cpuid:"
putn %pc@(L(cputype))
- putc '\n'
-#ifdef MAC_SERIAL_DEBUG
+# ifdef CONFIG_MAC
+ puts "\n sccbase:"
putn %pc@(L(mac_sccbase))
+# endif
+# ifdef MMU_PRINT
putc '\n'
-#endif
-# if defined(MMU_PRINT)
jbsr mmu_print_machine_cpu_types
-# endif /* MMU_PRINT */
+# endif
#endif /* SERIAL_DEBUG */
+ putc '\n'
+
func_return console_put_stats
#ifdef CONSOLE_PENGUIN
@@ -3896,11 +3897,11 @@ L(mac_dimensions):
.long 0
L(mac_rowbytes):
.long 0
-#ifdef MAC_SERIAL_DEBUG
+#ifdef SERIAL_DEBUG
L(mac_sccbase):
.long 0
-#endif /* MAC_SERIAL_DEBUG */
#endif
+#endif /* CONFIG_MAC */
#if defined (CONFIG_APOLLO)
LSRB0 = 0x10412
diff --git a/arch/m68k/mac/baboon.c b/arch/m68k/mac/baboon.c
index b403924a1cad..3fe0e43d44f6 100644
--- a/arch/m68k/mac/baboon.c
+++ b/arch/m68k/mac/baboon.c
@@ -8,13 +8,8 @@
#include <linux/types.h>
#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/delay.h>
-#include <linux/init.h>
#include <linux/irq.h>
-#include <asm/traps.h>
-#include <asm/bootinfo.h>
#include <asm/macintosh.h>
#include <asm/macints.h>
#include <asm/mac_baboon.h>
@@ -23,7 +18,6 @@
int baboon_present;
static volatile struct baboon *baboon;
-static unsigned char baboon_disabled;
#if 0
extern int macide_ack_intr(struct ata_channel *);
@@ -89,51 +83,32 @@ static void baboon_irq(unsigned int irq, struct irq_desc *desc)
void __init baboon_register_interrupts(void)
{
- baboon_disabled = 0;
irq_set_chained_handler(IRQ_NUBUS_C, baboon_irq);
}
/*
- * The means for masking individual baboon interrupts remains a mystery, so
- * enable the umbrella interrupt only when no baboon interrupt is disabled.
+ * The means for masking individual Baboon interrupts remains a mystery.
+ * However, since we only use the IDE IRQ, we can just enable/disable all
+ * Baboon interrupts. If/when we handle more than one Baboon IRQ, we must
+ * either figure out how to mask them individually or else implement the
+ * same workaround that's used for NuBus slots (see nubus_disabled and
+ * via_nubus_irq_shutdown).
*/
void baboon_irq_enable(int irq)
{
- int irq_idx = IRQ_IDX(irq);
-
#ifdef DEBUG_IRQUSE
printk("baboon_irq_enable(%d)\n", irq);
#endif
- baboon_disabled &= ~(1 << irq_idx);
- if (!baboon_disabled)
- mac_irq_enable(irq_get_irq_data(IRQ_NUBUS_C));
+ mac_irq_enable(irq_get_irq_data(IRQ_NUBUS_C));
}
void baboon_irq_disable(int irq)
{
- int irq_idx = IRQ_IDX(irq);
-
#ifdef DEBUG_IRQUSE
printk("baboon_irq_disable(%d)\n", irq);
#endif
- baboon_disabled |= 1 << irq_idx;
- if (baboon_disabled)
- mac_irq_disable(irq_get_irq_data(IRQ_NUBUS_C));
-}
-
-void baboon_irq_clear(int irq)
-{
- int irq_idx = IRQ_IDX(irq);
-
- baboon->mb_ifr &= ~(1 << irq_idx);
-}
-
-int baboon_irq_pending(int irq)
-{
- int irq_idx = IRQ_IDX(irq);
-
- return baboon->mb_ifr & (1 << irq_idx);
+ mac_irq_disable(irq_get_irq_data(IRQ_NUBUS_C));
}
diff --git a/arch/m68k/mac/config.c b/arch/m68k/mac/config.c
index c247de02bc7e..f60ff5f59205 100644
--- a/arch/m68k/mac/config.c
+++ b/arch/m68k/mac/config.c
@@ -71,6 +71,31 @@ static void mac_get_model(char *str);
static void mac_identify(void);
static void mac_report_hardware(void);
+#ifdef CONFIG_EARLY_PRINTK
+asmlinkage void __init mac_early_print(const char *s, unsigned n);
+
+static void __init mac_early_cons_write(struct console *con,
+ const char *s, unsigned n)
+{
+ mac_early_print(s, n);
+}
+
+static struct console __initdata mac_early_cons = {
+ .name = "early",
+ .write = mac_early_cons_write,
+ .flags = CON_PRINTBUFFER | CON_BOOT,
+ .index = -1
+};
+
+int __init mac_unregister_early_cons(void)
+{
+ /* mac_early_print can't be used after init sections are discarded */
+ return unregister_console(&mac_early_cons);
+}
+
+late_initcall(mac_unregister_early_cons);
+#endif
+
static void __init mac_sched_init(irq_handler_t vector)
{
via_init_clock(vector);
@@ -164,6 +189,10 @@ void __init config_mac(void)
mach_beep = mac_mksound;
#endif
+#ifdef CONFIG_EARLY_PRINTK
+ register_console(&mac_early_cons);
+#endif
+
/*
* Determine hardware present
*/
@@ -192,7 +221,7 @@ void __init config_mac(void)
* inaccurate, so look here if a new Mac model won't run. Example: if
* a Mac crashes immediately after the VIA1 registers have been dumped
* to the screen, it probably died attempting to read DirB on a RBV.
- * Meaning it should have MAC_VIA_IIci here :-)
+ * Meaning it should have MAC_VIA_IICI here :-)
*/
struct mac_model *macintosh_config;
@@ -267,7 +296,7 @@ static struct mac_model mac_data_table[] = {
.ident = MAC_MODEL_IICI,
.name = "IIci",
.adb_type = MAC_ADB_II,
- .via_type = MAC_VIA_IIci,
+ .via_type = MAC_VIA_IICI,
.scsi_type = MAC_SCSI_OLD,
.scc_type = MAC_SCC_II,
.nubus_type = MAC_NUBUS,
@@ -276,7 +305,7 @@ static struct mac_model mac_data_table[] = {
.ident = MAC_MODEL_IIFX,
.name = "IIfx",
.adb_type = MAC_ADB_IOP,
- .via_type = MAC_VIA_IIci,
+ .via_type = MAC_VIA_IICI,
.scsi_type = MAC_SCSI_OLD,
.scc_type = MAC_SCC_IOP,
.nubus_type = MAC_NUBUS,
@@ -285,7 +314,7 @@ static struct mac_model mac_data_table[] = {
.ident = MAC_MODEL_IISI,
.name = "IIsi",
.adb_type = MAC_ADB_IISI,
- .via_type = MAC_VIA_IIci,
+ .via_type = MAC_VIA_IICI,
.scsi_type = MAC_SCSI_OLD,
.scc_type = MAC_SCC_II,
.nubus_type = MAC_NUBUS,
@@ -294,7 +323,7 @@ static struct mac_model mac_data_table[] = {
.ident = MAC_MODEL_IIVI,
.name = "IIvi",
.adb_type = MAC_ADB_IISI,
- .via_type = MAC_VIA_IIci,
+ .via_type = MAC_VIA_IICI,
.scsi_type = MAC_SCSI_OLD,
.scc_type = MAC_SCC_II,
.nubus_type = MAC_NUBUS,
@@ -303,7 +332,7 @@ static struct mac_model mac_data_table[] = {
.ident = MAC_MODEL_IIVX,
.name = "IIvx",
.adb_type = MAC_ADB_IISI,
- .via_type = MAC_VIA_IIci,
+ .via_type = MAC_VIA_IICI,
.scsi_type = MAC_SCSI_OLD,
.scc_type = MAC_SCC_II,
.nubus_type = MAC_NUBUS,
@@ -318,7 +347,7 @@ static struct mac_model mac_data_table[] = {
.ident = MAC_MODEL_CLII,
.name = "Classic II",
.adb_type = MAC_ADB_IISI,
- .via_type = MAC_VIA_IIci,
+ .via_type = MAC_VIA_IICI,
.scsi_type = MAC_SCSI_OLD,
.scc_type = MAC_SCC_II,
.nubus_type = MAC_NUBUS,
@@ -327,7 +356,7 @@ static struct mac_model mac_data_table[] = {
.ident = MAC_MODEL_CCL,
.name = "Color Classic",
.adb_type = MAC_ADB_CUDA,
- .via_type = MAC_VIA_IIci,
+ .via_type = MAC_VIA_IICI,
.scsi_type = MAC_SCSI_OLD,
.scc_type = MAC_SCC_II,
.nubus_type = MAC_NUBUS,
@@ -336,7 +365,7 @@ static struct mac_model mac_data_table[] = {
.ident = MAC_MODEL_CCLII,
.name = "Color Classic II",
.adb_type = MAC_ADB_CUDA,
- .via_type = MAC_VIA_IIci,
+ .via_type = MAC_VIA_IICI,
.scsi_type = MAC_SCSI_OLD,
.scc_type = MAC_SCC_II,
.nubus_type = MAC_NUBUS,
@@ -351,7 +380,7 @@ static struct mac_model mac_data_table[] = {
.ident = MAC_MODEL_LC,
.name = "LC",
.adb_type = MAC_ADB_IISI,
- .via_type = MAC_VIA_IIci,
+ .via_type = MAC_VIA_IICI,
.scsi_type = MAC_SCSI_OLD,
.scc_type = MAC_SCC_II,
.nubus_type = MAC_NUBUS,
@@ -360,7 +389,7 @@ static struct mac_model mac_data_table[] = {
.ident = MAC_MODEL_LCII,
.name = "LC II",
.adb_type = MAC_ADB_IISI,
- .via_type = MAC_VIA_IIci,
+ .via_type = MAC_VIA_IICI,
.scsi_type = MAC_SCSI_OLD,
.scc_type = MAC_SCC_II,
.nubus_type = MAC_NUBUS,
@@ -369,7 +398,7 @@ static struct mac_model mac_data_table[] = {
.ident = MAC_MODEL_LCIII,
.name = "LC III",
.adb_type = MAC_ADB_IISI,
- .via_type = MAC_VIA_IIci,
+ .via_type = MAC_VIA_IICI,
.scsi_type = MAC_SCSI_OLD,
.scc_type = MAC_SCC_II,
.nubus_type = MAC_NUBUS,
@@ -497,7 +526,7 @@ static struct mac_model mac_data_table[] = {
.ident = MAC_MODEL_P460,
.name = "Performa 460",
.adb_type = MAC_ADB_IISI,
- .via_type = MAC_VIA_IIci,
+ .via_type = MAC_VIA_IICI,
.scsi_type = MAC_SCSI_OLD,
.scc_type = MAC_SCC_II,
.nubus_type = MAC_NUBUS,
@@ -524,7 +553,7 @@ static struct mac_model mac_data_table[] = {
.ident = MAC_MODEL_P520,
.name = "Performa 520",
.adb_type = MAC_ADB_CUDA,
- .via_type = MAC_VIA_IIci,
+ .via_type = MAC_VIA_IICI,
.scsi_type = MAC_SCSI_OLD,
.scc_type = MAC_SCC_II,
.nubus_type = MAC_NUBUS,
@@ -533,7 +562,7 @@ static struct mac_model mac_data_table[] = {
.ident = MAC_MODEL_P550,
.name = "Performa 550",
.adb_type = MAC_ADB_CUDA,
- .via_type = MAC_VIA_IIci,
+ .via_type = MAC_VIA_IICI,
.scsi_type = MAC_SCSI_OLD,
.scc_type = MAC_SCC_II,
.nubus_type = MAC_NUBUS,
@@ -565,7 +594,7 @@ static struct mac_model mac_data_table[] = {
.ident = MAC_MODEL_TV,
.name = "TV",
.adb_type = MAC_ADB_CUDA,
- .via_type = MAC_VIA_QUADRA,
+ .via_type = MAC_VIA_IICI,
.scsi_type = MAC_SCSI_OLD,
.scc_type = MAC_SCC_II,
.nubus_type = MAC_NUBUS,
@@ -574,7 +603,7 @@ static struct mac_model mac_data_table[] = {
.ident = MAC_MODEL_P600,
.name = "Performa 600",
.adb_type = MAC_ADB_IISI,
- .via_type = MAC_VIA_IIci,
+ .via_type = MAC_VIA_IICI,
.scsi_type = MAC_SCSI_OLD,
.scc_type = MAC_SCC_II,
.nubus_type = MAC_NUBUS,
@@ -645,8 +674,8 @@ static struct mac_model mac_data_table[] = {
}, {
.ident = MAC_MODEL_PB150,
.name = "PowerBook 150",
- .adb_type = MAC_ADB_PB1,
- .via_type = MAC_VIA_IIci,
+ .adb_type = MAC_ADB_PB2,
+ .via_type = MAC_VIA_IICI,
.scsi_type = MAC_SCSI_OLD,
.ide_type = MAC_IDE_PB,
.scc_type = MAC_SCC_QUADRA,
@@ -732,17 +761,13 @@ static struct mac_model mac_data_table[] = {
* PowerBook Duos are pretty much like normal PowerBooks
* All of these probably have onboard SONIC in the Dock which
* means we'll have to probe for it eventually.
- *
- * Are these really MAC_VIA_IIci? The developer notes for the
- * Duos show pretty much the same custom parts as in most of
- * the other PowerBooks which would imply MAC_VIA_QUADRA.
*/
{
.ident = MAC_MODEL_PB210,
.name = "PowerBook Duo 210",
.adb_type = MAC_ADB_PB2,
- .via_type = MAC_VIA_IIci,
+ .via_type = MAC_VIA_IICI,
.scsi_type = MAC_SCSI_OLD,
.scc_type = MAC_SCC_QUADRA,
.nubus_type = MAC_NUBUS,
@@ -751,7 +776,7 @@ static struct mac_model mac_data_table[] = {
.ident = MAC_MODEL_PB230,
.name = "PowerBook Duo 230",
.adb_type = MAC_ADB_PB2,
- .via_type = MAC_VIA_IIci,
+ .via_type = MAC_VIA_IICI,
.scsi_type = MAC_SCSI_OLD,
.scc_type = MAC_SCC_QUADRA,
.nubus_type = MAC_NUBUS,
@@ -760,7 +785,7 @@ static struct mac_model mac_data_table[] = {
.ident = MAC_MODEL_PB250,
.name = "PowerBook Duo 250",
.adb_type = MAC_ADB_PB2,
- .via_type = MAC_VIA_IIci,
+ .via_type = MAC_VIA_IICI,
.scsi_type = MAC_SCSI_OLD,
.scc_type = MAC_SCC_QUADRA,
.nubus_type = MAC_NUBUS,
@@ -769,7 +794,7 @@ static struct mac_model mac_data_table[] = {
.ident = MAC_MODEL_PB270C,
.name = "PowerBook Duo 270c",
.adb_type = MAC_ADB_PB2,
- .via_type = MAC_VIA_IIci,
+ .via_type = MAC_VIA_IICI,
.scsi_type = MAC_SCSI_OLD,
.scc_type = MAC_SCC_QUADRA,
.nubus_type = MAC_NUBUS,
@@ -778,7 +803,7 @@ static struct mac_model mac_data_table[] = {
.ident = MAC_MODEL_PB280,
.name = "PowerBook Duo 280",
.adb_type = MAC_ADB_PB2,
- .via_type = MAC_VIA_IIci,
+ .via_type = MAC_VIA_IICI,
.scsi_type = MAC_SCSI_OLD,
.scc_type = MAC_SCC_QUADRA,
.nubus_type = MAC_NUBUS,
@@ -787,7 +812,7 @@ static struct mac_model mac_data_table[] = {
.ident = MAC_MODEL_PB280C,
.name = "PowerBook Duo 280c",
.adb_type = MAC_ADB_PB2,
- .via_type = MAC_VIA_IIci,
+ .via_type = MAC_VIA_IICI,
.scsi_type = MAC_SCSI_OLD,
.scc_type = MAC_SCC_QUADRA,
.nubus_type = MAC_NUBUS,
@@ -864,8 +889,14 @@ static void __init mac_identify(void)
scc_b_rsrcs[1].start = scc_b_rsrcs[1].end = IRQ_MAC_SCC_B;
break;
default:
- scc_a_rsrcs[1].start = scc_a_rsrcs[1].end = IRQ_MAC_SCC;
- scc_b_rsrcs[1].start = scc_b_rsrcs[1].end = IRQ_MAC_SCC;
+ /* On non-PSC machines, the serial ports share an IRQ. */
+ if (macintosh_config->ident == MAC_MODEL_IIFX) {
+ scc_a_rsrcs[1].start = scc_a_rsrcs[1].end = IRQ_MAC_SCC;
+ scc_b_rsrcs[1].start = scc_b_rsrcs[1].end = IRQ_MAC_SCC;
+ } else {
+ scc_a_rsrcs[1].start = scc_a_rsrcs[1].end = IRQ_AUTO_4;
+ scc_b_rsrcs[1].start = scc_b_rsrcs[1].end = IRQ_AUTO_4;
+ }
break;
}
diff --git a/arch/m68k/mac/iop.c b/arch/m68k/mac/iop.c
index a5462cc0bfd6..7d8d46127ad9 100644
--- a/arch/m68k/mac/iop.c
+++ b/arch/m68k/mac/iop.c
@@ -115,7 +115,6 @@
#include <asm/macintosh.h>
#include <asm/macints.h>
#include <asm/mac_iop.h>
-#include <asm/mac_oss.h>
/*#define DEBUG_IOP*/
@@ -149,8 +148,6 @@ static struct listener iop_listeners[NUM_IOPS][NUM_IOP_CHAN];
irqreturn_t iop_ism_irq(int, void *);
-extern void oss_irq_enable(int);
-
/*
* Private access functions
*/
@@ -304,11 +301,10 @@ void __init iop_init(void)
void __init iop_register_interrupts(void)
{
if (iop_ism_present) {
- if (oss_present) {
- if (request_irq(OSS_IRQLEV_IOPISM, iop_ism_irq, 0,
+ if (macintosh_config->ident == MAC_MODEL_IIFX) {
+ if (request_irq(IRQ_MAC_ADB, iop_ism_irq, 0,
"ISM IOP", (void *)IOP_NUM_ISM))
pr_err("Couldn't register ISM IOP interrupt\n");
- oss_irq_enable(IRQ_MAC_ADB);
} else {
if (request_irq(IRQ_VIA2_0, iop_ism_irq, 0, "ISM IOP",
(void *)IOP_NUM_ISM))
diff --git a/arch/m68k/mac/macints.c b/arch/m68k/mac/macints.c
index ba220b70ab8c..5c1a6b2ff0af 100644
--- a/arch/m68k/mac/macints.c
+++ b/arch/m68k/mac/macints.c
@@ -26,10 +26,6 @@
* - slot 6: timer 1 (not on IIci)
* - slot 7: status of IRQ; signals 'any enabled int.'
*
- * 2 - OSS (IIfx only?)
- * - slot 0: SCSI interrupt
- * - slot 1: Sound interrupt
- *
* Levels 3-6 vary by machine type. For VIA or RBV Macintoshes:
*
* 3 - unused (?)
@@ -42,21 +38,30 @@
*
* 6 - off switch (?)
*
- * For OSS Macintoshes (IIfx only at this point):
+ * Machines with Quadra-like VIA hardware, except PSC and PMU machines, support
+ * an alternate interrupt mapping, as used by A/UX. It spreads ethernet and
+ * sound out to their own autovector IRQs and gives VIA1 a higher priority:
*
- * 3 - Nubus interrupt
- * - slot 0: Slot $9
- * - slot 1: Slot $A
- * - slot 2: Slot $B
- * - slot 3: Slot $C
- * - slot 4: Slot $D
- * - slot 5: Slot $E
+ * 1 - unused (?)
*
- * 4 - SCC IOP
+ * 3 - on-board SONIC
+ *
+ * 5 - Apple Sound Chip (ASC)
+ *
+ * 6 - VIA1
+ *
+ * For OSS Macintoshes (IIfx only), we apply an interrupt mapping similar to
+ * the Quadra (A/UX) mapping:
+ *
+ * 1 - ISM IOP (ADB)
*
- * 5 - ISM IOP (ADB?)
+ * 2 - SCSI
*
- * 6 - unused
+ * 3 - NuBus
+ *
+ * 4 - SCC IOP
+ *
+ * 6 - VIA1
*
* For PSC Macintoshes (660AV, 840AV):
*
@@ -100,88 +105,29 @@
* case. They're hidden behind the Nubus slot $C interrupt thus adding a
* third layer of indirection. Why oh why did the Apple engineers do that?
*
- * - We support "fast" and "slow" handlers, just like the Amiga port. The
- * fast handlers are called first and with all interrupts disabled. They
- * are expected to execute quickly (hence the name). The slow handlers are
- * called last with interrupts enabled and the interrupt level restored.
- * They must therefore be reentrant.
- *
- * TODO:
- *
*/
-#include <linux/module.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/sched.h>
-#include <linux/kernel_stat.h>
-#include <linux/interrupt.h> /* for intr_count */
+#include <linux/interrupt.h>
+#include <linux/irq.h>
#include <linux/delay.h>
-#include <linux/seq_file.h>
-#include <asm/system.h>
#include <asm/irq.h>
-#include <asm/traps.h>
-#include <asm/bootinfo.h>
#include <asm/macintosh.h>
+#include <asm/macints.h>
#include <asm/mac_via.h>
#include <asm/mac_psc.h>
+#include <asm/mac_oss.h>
+#include <asm/mac_iop.h>
+#include <asm/mac_baboon.h>
#include <asm/hwtest.h>
-#include <asm/errno.h>
-#include <asm/macints.h>
#include <asm/irq_regs.h>
-#include <asm/mac_oss.h>
#define SHUTUP_SONIC
/*
- * VIA/RBV hooks
- */
-
-extern void via_register_interrupts(void);
-extern void via_irq_enable(int);
-extern void via_irq_disable(int);
-extern void via_irq_clear(int);
-extern int via_irq_pending(int);
-
-/*
- * OSS hooks
- */
-
-extern void oss_register_interrupts(void);
-extern void oss_irq_enable(int);
-extern void oss_irq_disable(int);
-extern void oss_irq_clear(int);
-extern int oss_irq_pending(int);
-
-/*
- * PSC hooks
- */
-
-extern void psc_register_interrupts(void);
-extern void psc_irq_enable(int);
-extern void psc_irq_disable(int);
-extern void psc_irq_clear(int);
-extern int psc_irq_pending(int);
-
-/*
- * IOP hooks
- */
-
-extern void iop_register_interrupts(void);
-
-/*
- * Baboon hooks
- */
-
-extern int baboon_present;
-
-extern void baboon_register_interrupts(void);
-extern void baboon_irq_enable(int);
-extern void baboon_irq_disable(int);
-extern void baboon_irq_clear(int);
-
-/*
* console_loglevel determines NMI handler function
*/
@@ -190,10 +136,15 @@ irqreturn_t mac_debug_handler(int, void *);
/* #define DEBUG_MACINTS */
+static unsigned int mac_irq_startup(struct irq_data *);
+static void mac_irq_shutdown(struct irq_data *);
+
static struct irq_chip mac_irq_chip = {
.name = "mac",
.irq_enable = mac_irq_enable,
.irq_disable = mac_irq_disable,
+ .irq_startup = mac_irq_startup,
+ .irq_shutdown = mac_irq_shutdown,
};
void __init mac_init_IRQ(void)
@@ -239,8 +190,6 @@ void __init mac_init_IRQ(void)
/*
* mac_irq_enable - enable an interrupt source
* mac_irq_disable - disable an interrupt source
- * mac_clear_irq - clears a pending interrupt
- * mac_irq_pending - returns the pending status of an IRQ (nonzero = pending)
*
* These routines are just dispatchers to the VIA/OSS/PSC routines.
*/
@@ -252,8 +201,6 @@ void mac_irq_enable(struct irq_data *data)
switch(irq_src) {
case 1:
- via_irq_enable(irq);
- break;
case 2:
case 7:
if (oss_present)
@@ -262,6 +209,7 @@ void mac_irq_enable(struct irq_data *data)
via_irq_enable(irq);
break;
case 3:
+ case 4:
case 5:
case 6:
if (psc_present)
@@ -269,10 +217,6 @@ void mac_irq_enable(struct irq_data *data)
else if (oss_present)
oss_irq_enable(irq);
break;
- case 4:
- if (psc_present)
- psc_irq_enable(irq);
- break;
case 8:
if (baboon_present)
baboon_irq_enable(irq);
@@ -287,8 +231,6 @@ void mac_irq_disable(struct irq_data *data)
switch(irq_src) {
case 1:
- via_irq_disable(irq);
- break;
case 2:
case 7:
if (oss_present)
@@ -297,6 +239,7 @@ void mac_irq_disable(struct irq_data *data)
via_irq_disable(irq);
break;
case 3:
+ case 4:
case 5:
case 6:
if (psc_present)
@@ -304,10 +247,6 @@ void mac_irq_disable(struct irq_data *data)
else if (oss_present)
oss_irq_disable(irq);
break;
- case 4:
- if (psc_present)
- psc_irq_disable(irq);
- break;
case 8:
if (baboon_present)
baboon_irq_disable(irq);
@@ -315,65 +254,27 @@ void mac_irq_disable(struct irq_data *data)
}
}
-void mac_clear_irq(unsigned int irq)
+static unsigned int mac_irq_startup(struct irq_data *data)
{
- switch(IRQ_SRC(irq)) {
- case 1:
- via_irq_clear(irq);
- break;
- case 2:
- case 7:
- if (oss_present)
- oss_irq_clear(irq);
- else
- via_irq_clear(irq);
- break;
- case 3:
- case 5:
- case 6:
- if (psc_present)
- psc_irq_clear(irq);
- else if (oss_present)
- oss_irq_clear(irq);
- break;
- case 4:
- if (psc_present)
- psc_irq_clear(irq);
- break;
- case 8:
- if (baboon_present)
- baboon_irq_clear(irq);
- break;
- }
+ int irq = data->irq;
+
+ if (IRQ_SRC(irq) == 7 && !oss_present)
+ via_nubus_irq_startup(irq);
+ else
+ mac_irq_enable(data);
+
+ return 0;
}
-int mac_irq_pending(unsigned int irq)
+static void mac_irq_shutdown(struct irq_data *data)
{
- switch(IRQ_SRC(irq)) {
- case 1:
- return via_irq_pending(irq);
- case 2:
- case 7:
- if (oss_present)
- return oss_irq_pending(irq);
- else
- return via_irq_pending(irq);
- case 3:
- case 5:
- case 6:
- if (psc_present)
- return psc_irq_pending(irq);
- else if (oss_present)
- return oss_irq_pending(irq);
- break;
- case 4:
- if (psc_present)
- return psc_irq_pending(irq);
- break;
- }
- return 0;
+ int irq = data->irq;
+
+ if (IRQ_SRC(irq) == 7 && !oss_present)
+ via_nubus_irq_shutdown(irq);
+ else
+ mac_irq_disable(data);
}
-EXPORT_SYMBOL(mac_irq_pending);
static int num_debug[8];
diff --git a/arch/m68k/mac/oss.c b/arch/m68k/mac/oss.c
index a4c82dab9ff1..6c4c882c126e 100644
--- a/arch/m68k/mac/oss.c
+++ b/arch/m68k/mac/oss.c
@@ -1,5 +1,5 @@
/*
- * OSS handling
+ * Operating System Services (OSS) chip handling
* Written by Joshua M. Thompson (funaho@jurai.org)
*
*
@@ -30,8 +30,6 @@
int oss_present;
volatile struct mac_oss *oss;
-extern void via1_irq(unsigned int irq, struct irq_desc *desc);
-
/*
* Initialize the OSS
*
@@ -51,10 +49,8 @@ void __init oss_init(void)
/* do this by setting the source's interrupt level to zero. */
for (i = 0; i <= OSS_NUM_SOURCES; i++) {
- oss->irq_level[i] = OSS_IRQLEV_DISABLED;
+ oss->irq_level[i] = 0;
}
- /* If we disable VIA1 here, we never really handle it... */
- oss->irq_level[OSS_VIA1] = OSS_IRQLEV_VIA1;
}
/*
@@ -66,17 +62,13 @@ void __init oss_nubus_init(void)
}
/*
- * Handle miscellaneous OSS interrupts. Right now that's just sound
- * and SCSI; everything else is routed to its own autovector IRQ.
+ * Handle miscellaneous OSS interrupts.
*/
static void oss_irq(unsigned int irq, struct irq_desc *desc)
{
- int events;
-
- events = oss->irq_pending & (OSS_IP_SOUND|OSS_IP_SCSI);
- if (!events)
- return;
+ int events = oss->irq_pending &
+ (OSS_IP_IOPSCC | OSS_IP_SCSI | OSS_IP_IOPISM);
#ifdef DEBUG_IRQS
if ((console_loglevel == 10) && !(events & OSS_IP_SCSI)) {
@@ -84,16 +76,20 @@ static void oss_irq(unsigned int irq, struct irq_desc *desc)
(int) oss->irq_pending);
}
#endif
- /* FIXME: how do you clear a pending IRQ? */
- if (events & OSS_IP_SOUND) {
- oss->irq_pending &= ~OSS_IP_SOUND;
- /* FIXME: call sound handler */
- } else if (events & OSS_IP_SCSI) {
+ if (events & OSS_IP_IOPSCC) {
+ oss->irq_pending &= ~OSS_IP_IOPSCC;
+ generic_handle_irq(IRQ_MAC_SCC);
+ }
+
+ if (events & OSS_IP_SCSI) {
oss->irq_pending &= ~OSS_IP_SCSI;
generic_handle_irq(IRQ_MAC_SCSI);
- } else {
- /* FIXME: error check here? */
+ }
+
+ if (events & OSS_IP_IOPISM) {
+ oss->irq_pending &= ~OSS_IP_IOPISM;
+ generic_handle_irq(IRQ_MAC_ADB);
}
}
@@ -132,14 +128,29 @@ static void oss_nubus_irq(unsigned int irq, struct irq_desc *desc)
/*
* Register the OSS and NuBus interrupt dispatchers.
+ *
+ * This IRQ mapping is laid out with two things in mind: first, we try to keep
+ * things on their own levels to avoid having to do double-dispatches. Second,
+ * the levels match as closely as possible the alternate IRQ mapping mode (aka
+ * "A/UX mode") available on some VIA machines.
*/
+#define OSS_IRQLEV_IOPISM IRQ_AUTO_1
+#define OSS_IRQLEV_SCSI IRQ_AUTO_2
+#define OSS_IRQLEV_NUBUS IRQ_AUTO_3
+#define OSS_IRQLEV_IOPSCC IRQ_AUTO_4
+#define OSS_IRQLEV_VIA1 IRQ_AUTO_6
+
void __init oss_register_interrupts(void)
{
- irq_set_chained_handler(OSS_IRQLEV_SCSI, oss_irq);
- irq_set_chained_handler(OSS_IRQLEV_NUBUS, oss_nubus_irq);
- irq_set_chained_handler(OSS_IRQLEV_SOUND, oss_irq);
- irq_set_chained_handler(OSS_IRQLEV_VIA1, via1_irq);
+ irq_set_chained_handler(OSS_IRQLEV_IOPISM, oss_irq);
+ irq_set_chained_handler(OSS_IRQLEV_SCSI, oss_irq);
+ irq_set_chained_handler(OSS_IRQLEV_NUBUS, oss_nubus_irq);
+ irq_set_chained_handler(OSS_IRQLEV_IOPSCC, oss_irq);
+ irq_set_chained_handler(OSS_IRQLEV_VIA1, via1_irq);
+
+ /* OSS_VIA1 gets enabled here because it has no machspec interrupt. */
+ oss->irq_level[OSS_VIA1] = IRQ_AUTO_6;
}
/*
@@ -158,13 +169,13 @@ void oss_irq_enable(int irq) {
switch(irq) {
case IRQ_MAC_SCC:
oss->irq_level[OSS_IOPSCC] = OSS_IRQLEV_IOPSCC;
- break;
+ return;
case IRQ_MAC_ADB:
oss->irq_level[OSS_IOPISM] = OSS_IRQLEV_IOPISM;
- break;
+ return;
case IRQ_MAC_SCSI:
oss->irq_level[OSS_SCSI] = OSS_IRQLEV_SCSI;
- break;
+ return;
case IRQ_NUBUS_9:
case IRQ_NUBUS_A:
case IRQ_NUBUS_B:
@@ -173,13 +184,11 @@ void oss_irq_enable(int irq) {
case IRQ_NUBUS_E:
irq -= NUBUS_SOURCE_BASE;
oss->irq_level[irq] = OSS_IRQLEV_NUBUS;
- break;
-#ifdef DEBUG_IRQUSE
- default:
- printk("%s unknown irq %d\n", __func__, irq);
- break;
-#endif
+ return;
}
+
+ if (IRQ_SRC(irq) == 1)
+ via_irq_enable(irq);
}
/*
@@ -195,50 +204,14 @@ void oss_irq_disable(int irq) {
#endif
switch(irq) {
case IRQ_MAC_SCC:
- oss->irq_level[OSS_IOPSCC] = OSS_IRQLEV_DISABLED;
- break;
- case IRQ_MAC_ADB:
- oss->irq_level[OSS_IOPISM] = OSS_IRQLEV_DISABLED;
- break;
- case IRQ_MAC_SCSI:
- oss->irq_level[OSS_SCSI] = OSS_IRQLEV_DISABLED;
- break;
- case IRQ_NUBUS_9:
- case IRQ_NUBUS_A:
- case IRQ_NUBUS_B:
- case IRQ_NUBUS_C:
- case IRQ_NUBUS_D:
- case IRQ_NUBUS_E:
- irq -= NUBUS_SOURCE_BASE;
- oss->irq_level[irq] = OSS_IRQLEV_DISABLED;
- break;
-#ifdef DEBUG_IRQUSE
- default:
- printk("%s unknown irq %d\n", __func__, irq);
- break;
-#endif
- }
-}
-
-/*
- * Clear an OSS interrupt
- *
- * Not sure if this works or not but it's the only method I could
- * think of based on the contents of the mac_oss structure.
- */
-
-void oss_irq_clear(int irq) {
- /* FIXME: how to do this on OSS? */
- switch(irq) {
- case IRQ_MAC_SCC:
- oss->irq_pending &= ~OSS_IP_IOPSCC;
- break;
+ oss->irq_level[OSS_IOPSCC] = 0;
+ return;
case IRQ_MAC_ADB:
- oss->irq_pending &= ~OSS_IP_IOPISM;
- break;
+ oss->irq_level[OSS_IOPISM] = 0;
+ return;
case IRQ_MAC_SCSI:
- oss->irq_pending &= ~OSS_IP_SCSI;
- break;
+ oss->irq_level[OSS_SCSI] = 0;
+ return;
case IRQ_NUBUS_9:
case IRQ_NUBUS_A:
case IRQ_NUBUS_B:
@@ -246,36 +219,10 @@ void oss_irq_clear(int irq) {
case IRQ_NUBUS_D:
case IRQ_NUBUS_E:
irq -= NUBUS_SOURCE_BASE;
- oss->irq_pending &= ~(1 << irq);
- break;
+ oss->irq_level[irq] = 0;
+ return;
}
-}
-
-/*
- * Check to see if a specific OSS interrupt is pending
- */
-int oss_irq_pending(int irq)
-{
- switch(irq) {
- case IRQ_MAC_SCC:
- return oss->irq_pending & OSS_IP_IOPSCC;
- break;
- case IRQ_MAC_ADB:
- return oss->irq_pending & OSS_IP_IOPISM;
- break;
- case IRQ_MAC_SCSI:
- return oss->irq_pending & OSS_IP_SCSI;
- break;
- case IRQ_NUBUS_9:
- case IRQ_NUBUS_A:
- case IRQ_NUBUS_B:
- case IRQ_NUBUS_C:
- case IRQ_NUBUS_D:
- case IRQ_NUBUS_E:
- irq -= NUBUS_SOURCE_BASE;
- return oss->irq_pending & (1 << irq);
- break;
- }
- return 0;
+ if (IRQ_SRC(irq) == 1)
+ via_irq_disable(irq);
}
diff --git a/arch/m68k/mac/psc.c b/arch/m68k/mac/psc.c
index e6c2d20f328d..6f026fc302fa 100644
--- a/arch/m68k/mac/psc.c
+++ b/arch/m68k/mac/psc.c
@@ -180,20 +180,3 @@ void psc_irq_disable(int irq) {
#endif
psc_write_byte(pIER, 1 << irq_idx);
}
-
-void psc_irq_clear(int irq) {
- int irq_src = IRQ_SRC(irq);
- int irq_idx = IRQ_IDX(irq);
- int pIFR = pIERbase + (irq_src << 4);
-
- psc_write_byte(pIFR, 1 << irq_idx);
-}
-
-int psc_irq_pending(int irq)
-{
- int irq_src = IRQ_SRC(irq);
- int irq_idx = IRQ_IDX(irq);
- int pIFR = pIERbase + (irq_src << 4);
-
- return psc_read_byte(pIFR) & (1 << irq_idx);
-}
diff --git a/arch/m68k/mac/via.c b/arch/m68k/mac/via.c
index f1600ad26621..2d85662715fb 100644
--- a/arch/m68k/mac/via.c
+++ b/arch/m68k/mac/via.c
@@ -63,24 +63,50 @@ static int gIER,gIFR,gBufA,gBufB;
#define MAC_CLOCK_LOW (MAC_CLOCK_TICK&0xFF)
#define MAC_CLOCK_HIGH (MAC_CLOCK_TICK>>8)
-/* To disable a NuBus slot on Quadras we make that slot IRQ line an output set
- * high. On RBV we just use the slot interrupt enable register. On Macs with
- * genuine VIA chips we must use nubus_disabled to keep track of disabled slot
- * interrupts. When any slot IRQ is disabled we mask the (edge triggered) CA1
- * or "SLOTS" interrupt. When no slot is disabled, we unmask the CA1 interrupt.
- * So, on genuine VIAs, having more than one NuBus IRQ can mean trouble,
- * because closing one of those drivers can mask all of the NuBus interrupts.
- * Also, since we can't mask the unregistered slot IRQs on genuine VIAs, it's
- * possible to get interrupts from cards that MacOS or the ROM has configured
- * but we have not. FWIW, "Designing Cards and Drivers for Macintosh II and
- * Macintosh SE", page 9-8, says, a slot IRQ with no driver would crash MacOS.
+
+/*
+ * On Macs with a genuine VIA chip there is no way to mask an individual slot
+ * interrupt. This limitation also seems to apply to VIA clone logic cores in
+ * Quadra-like ASICs. (RBV and OSS machines don't have this limitation.)
+ *
+ * We used to fake it by configuring the relevent VIA pin as an output
+ * (to mask the interrupt) or input (to unmask). That scheme did not work on
+ * (at least) the Quadra 700. A NuBus card's /NMRQ signal is an open-collector
+ * circuit (see Designing Cards and Drivers for Macintosh II and Macintosh SE,
+ * p. 10-11 etc) but VIA outputs are not (see datasheet).
+ *
+ * Driving these outputs high must cause the VIA to source current and the
+ * card to sink current when it asserts /NMRQ. Current will flow but the pin
+ * voltage is uncertain and so the /NMRQ condition may still cause a transition
+ * at the VIA2 CA1 input (which explains the lost interrupts). A side effect
+ * is that a disabled slot IRQ can never be tested as pending or not.
+ *
+ * Driving these outputs low doesn't work either. All the slot /NMRQ lines are
+ * (active low) OR'd together to generate the CA1 (aka "SLOTS") interrupt (see
+ * The Guide To Macintosh Family Hardware, 2nd edition p. 167). If we drive a
+ * disabled /NMRQ line low, the falling edge immediately triggers a CA1
+ * interrupt and all slot interrupts after that will generate no transition
+ * and therefore no interrupt, even after being re-enabled.
+ *
+ * So we make the VIA port A I/O lines inputs and use nubus_disabled to keep
+ * track of their states. When any slot IRQ becomes disabled we mask the CA1
+ * umbrella interrupt. Only when all slot IRQs become enabled do we unmask
+ * the CA1 interrupt. It must remain enabled even when cards have no interrupt
+ * handler registered. Drivers must therefore disable a slot interrupt at the
+ * device before they call free_irq (like shared and autovector interrupts).
+ *
+ * There is also a related problem when MacOS is used to boot Linux. A network
+ * card brought up by a MacOS driver may raise an interrupt while Linux boots.
+ * This can be fatal since it can't be handled until the right driver loads
+ * (if such a driver exists at all). Apparently related to this hardware
+ * limitation, "Designing Cards and Drivers", p. 9-8, says that a slot
+ * interrupt with no driver would crash MacOS (the book was written before
+ * the appearance of Macs with RBV or OSS).
*/
+
static u8 nubus_disabled;
void via_debug_dump(void);
-void via_irq_enable(int irq);
-void via_irq_disable(int irq);
-void via_irq_clear(int irq);
/*
* Initialize the VIAs
@@ -100,7 +126,7 @@ void __init via_init(void)
/* IIci, IIsi, IIvx, IIvi (P6xx), LC series */
- case MAC_VIA_IIci:
+ case MAC_VIA_IICI:
via1 = (void *) VIA1_BASE;
if (macintosh_config->ident == MAC_MODEL_IIFX) {
via2 = NULL;
@@ -197,38 +223,17 @@ void __init via_init(void)
if (oss_present)
return;
- /* Some machines support an alternate IRQ mapping that spreads */
- /* Ethernet and Sound out to their own autolevel IRQs and moves */
- /* VIA1 to level 6. A/UX uses this mapping and we do too. Note */
- /* that the IIfx emulates this alternate mapping using the OSS. */
-
- via_alt_mapping = 0;
- if (macintosh_config->via_type == MAC_VIA_QUADRA)
- switch (macintosh_config->ident) {
- case MAC_MODEL_C660:
- case MAC_MODEL_Q840:
- /* not applicable */
- break;
- case MAC_MODEL_P588:
- case MAC_MODEL_TV:
- case MAC_MODEL_PB140:
- case MAC_MODEL_PB145:
- case MAC_MODEL_PB160:
- case MAC_MODEL_PB165:
- case MAC_MODEL_PB165C:
- case MAC_MODEL_PB170:
- case MAC_MODEL_PB180:
- case MAC_MODEL_PB180C:
- case MAC_MODEL_PB190:
- case MAC_MODEL_PB520:
- /* not yet tested */
- break;
- default:
- via_alt_mapping = 1;
- via1[vDirB] |= 0x40;
- via1[vBufB] &= ~0x40;
- break;
- }
+ if ((macintosh_config->via_type == MAC_VIA_QUADRA) &&
+ (macintosh_config->adb_type != MAC_ADB_PB1) &&
+ (macintosh_config->adb_type != MAC_ADB_PB2) &&
+ (macintosh_config->ident != MAC_MODEL_C660) &&
+ (macintosh_config->ident != MAC_MODEL_Q840)) {
+ via_alt_mapping = 1;
+ via1[vDirB] |= 0x40;
+ via1[vBufB] &= ~0x40;
+ } else {
+ via_alt_mapping = 0;
+ }
/*
* Now initialize VIA2. For RBV we just kill all interrupts;
@@ -248,22 +253,28 @@ void __init via_init(void)
via2[vACR] &= ~0x03; /* disable port A & B latches */
}
+ /* Everything below this point is VIA2 only... */
+
+ if (rbv_present)
+ return;
+
/*
- * Set vPCR for control line interrupts (but not on RBV)
+ * Set vPCR for control line interrupts.
+ *
+ * CA1 (SLOTS IRQ), CB1 (ASC IRQ): negative edge trigger.
+ *
+ * Macs with ESP SCSI have a negative edge triggered SCSI interrupt.
+ * Testing reveals that PowerBooks do too. However, the SE/30
+ * schematic diagram shows an active high NCR5380 IRQ line.
*/
- if (!rbv_present) {
- /* For all VIA types, CA1 (SLOTS IRQ) and CB1 (ASC IRQ)
- * are made negative edge triggered here.
- */
- if (macintosh_config->scsi_type == MAC_SCSI_OLD) {
- /* CB2 (IRQ) indep. input, positive edge */
- /* CA2 (DRQ) indep. input, positive edge */
- via2[vPCR] = 0x66;
- } else {
- /* CB2 (IRQ) indep. input, negative edge */
- /* CA2 (DRQ) indep. input, negative edge */
- via2[vPCR] = 0x22;
- }
+
+ pr_debug("VIA2 vPCR is 0x%02X\n", via2[vPCR]);
+ if (macintosh_config->via_type == MAC_VIA_II) {
+ /* CA2 (SCSI DRQ), CB2 (SCSI IRQ): indep. input, pos. edge */
+ via2[vPCR] = 0x66;
+ } else {
+ /* CA2 (SCSI DRQ), CB2 (SCSI IRQ): indep. input, neg. edge */
+ via2[vPCR] = 0x22;
}
}
@@ -378,34 +389,55 @@ void __init via_nubus_init(void)
via2[gBufB] |= 0x02;
}
- /* Disable all the slot interrupts (where possible). */
+ /*
+ * Disable the slot interrupts. On some hardware that's not possible.
+ * On some hardware it's unclear what all of these I/O lines do.
+ */
switch (macintosh_config->via_type) {
case MAC_VIA_II:
- /* Just make the port A lines inputs. */
- switch(macintosh_config->ident) {
- case MAC_MODEL_II:
- case MAC_MODEL_IIX:
- case MAC_MODEL_IICX:
- case MAC_MODEL_SE30:
- /* The top two bits are RAM size outputs. */
- via2[vDirA] &= 0xC0;
- break;
- default:
- via2[vDirA] &= 0x80;
- }
+ case MAC_VIA_QUADRA:
+ pr_debug("VIA2 vDirA is 0x%02X\n", via2[vDirA]);
break;
- case MAC_VIA_IIci:
+ case MAC_VIA_IICI:
/* RBV. Disable all the slot interrupts. SIER works like IER. */
via2[rSIER] = 0x7F;
break;
+ }
+}
+
+void via_nubus_irq_startup(int irq)
+{
+ int irq_idx = IRQ_IDX(irq);
+
+ switch (macintosh_config->via_type) {
+ case MAC_VIA_II:
case MAC_VIA_QUADRA:
- /* Disable the inactive slot interrupts by making those lines outputs. */
- if ((macintosh_config->adb_type != MAC_ADB_PB1) &&
- (macintosh_config->adb_type != MAC_ADB_PB2)) {
- via2[vBufA] |= 0x7F;
- via2[vDirA] |= 0x7F;
+ /* Make the port A line an input. Probably redundant. */
+ if (macintosh_config->via_type == MAC_VIA_II) {
+ /* The top two bits are RAM size outputs. */
+ via2[vDirA] &= 0xC0 | ~(1 << irq_idx);
+ } else {
+ /* Allow NuBus slots 9 through F. */
+ via2[vDirA] &= 0x80 | ~(1 << irq_idx);
}
+ /* fall through */
+ case MAC_VIA_IICI:
+ via_irq_enable(irq);
+ break;
+ }
+}
+
+void via_nubus_irq_shutdown(int irq)
+{
+ switch (macintosh_config->via_type) {
+ case MAC_VIA_II:
+ case MAC_VIA_QUADRA:
+ /* Ensure that the umbrella CA1 interrupt remains enabled. */
+ via_irq_enable(irq);
+ break;
+ case MAC_VIA_IICI:
+ via_irq_disable(irq);
break;
}
}
@@ -531,25 +563,18 @@ void via_irq_enable(int irq) {
} else if (irq_src == 7) {
switch (macintosh_config->via_type) {
case MAC_VIA_II:
+ case MAC_VIA_QUADRA:
nubus_disabled &= ~(1 << irq_idx);
/* Enable the CA1 interrupt when no slot is disabled. */
if (!nubus_disabled)
via2[gIER] = IER_SET_BIT(1);
break;
- case MAC_VIA_IIci:
+ case MAC_VIA_IICI:
/* On RBV, enable the slot interrupt.
* SIER works like IER.
*/
via2[rSIER] = IER_SET_BIT(irq_idx);
break;
- case MAC_VIA_QUADRA:
- /* Make the port A line an input to enable the slot irq.
- * But not on PowerBooks, that's ADB.
- */
- if ((macintosh_config->adb_type != MAC_ADB_PB1) &&
- (macintosh_config->adb_type != MAC_ADB_PB2))
- via2[vDirA] &= ~(1 << irq_idx);
- break;
}
}
}
@@ -569,60 +594,18 @@ void via_irq_disable(int irq) {
} else if (irq_src == 7) {
switch (macintosh_config->via_type) {
case MAC_VIA_II:
+ case MAC_VIA_QUADRA:
nubus_disabled |= 1 << irq_idx;
if (nubus_disabled)
via2[gIER] = IER_CLR_BIT(1);
break;
- case MAC_VIA_IIci:
+ case MAC_VIA_IICI:
via2[rSIER] = IER_CLR_BIT(irq_idx);
break;
- case MAC_VIA_QUADRA:
- if ((macintosh_config->adb_type != MAC_ADB_PB1) &&
- (macintosh_config->adb_type != MAC_ADB_PB2))
- via2[vDirA] |= 1 << irq_idx;
- break;
}
}
}
-void via_irq_clear(int irq) {
- int irq_src = IRQ_SRC(irq);
- int irq_idx = IRQ_IDX(irq);
- int irq_bit = 1 << irq_idx;
-
- if (irq_src == 1) {
- via1[vIFR] = irq_bit;
- } else if (irq_src == 2) {
- via2[gIFR] = irq_bit | rbv_clear;
- } else if (irq_src == 7) {
- /* FIXME: There is no way to clear an individual nubus slot
- * IRQ flag, other than getting the device to do it.
- */
- }
-}
-
-/*
- * Returns nonzero if an interrupt is pending on the given
- * VIA/IRQ combination.
- */
-
-int via_irq_pending(int irq)
-{
- int irq_src = IRQ_SRC(irq);
- int irq_idx = IRQ_IDX(irq);
- int irq_bit = 1 << irq_idx;
-
- if (irq_src == 1) {
- return via1[vIFR] & irq_bit;
- } else if (irq_src == 2) {
- return via2[gIFR] & irq_bit;
- } else if (irq_src == 7) {
- /* Always 0 for MAC_VIA_QUADRA if the slot irq is disabled. */
- return ~via2[gBufA] & irq_bit;
- }
- return 0;
-}
-
void via1_set_head(int head)
{
if (head == 0)
@@ -631,3 +614,9 @@ void via1_set_head(int head)
via1[vBufA] |= VIA1A_vHeadSel;
}
EXPORT_SYMBOL(via1_set_head);
+
+int via2_scsi_drq_pending(void)
+{
+ return via2[gIFR] & (1 << IRQ_IDX(IRQ_MAC_SCSIDRQ));
+}
+EXPORT_SYMBOL(via2_scsi_drq_pending);
diff --git a/arch/m68k/mvme16x/config.c b/arch/m68k/mvme16x/config.c
index 31a66d99cbca..c3fb3bdd7ed9 100644
--- a/arch/m68k/mvme16x/config.c
+++ b/arch/m68k/mvme16x/config.c
@@ -124,6 +124,163 @@ static void __init mvme16x_init_IRQ (void)
#define PccSCCMICR 0x1d
#define PccSCCTICR 0x1e
#define PccSCCRICR 0x1f
+#define PccTPIACKR 0x25
+
+#ifdef CONFIG_EARLY_PRINTK
+
+/**** cd2401 registers ****/
+#define CD2401_ADDR (0xfff45000)
+
+#define CyGFRCR (0x81)
+#define CyCCR (0x13)
+#define CyCLR_CHAN (0x40)
+#define CyINIT_CHAN (0x20)
+#define CyCHIP_RESET (0x10)
+#define CyENB_XMTR (0x08)
+#define CyDIS_XMTR (0x04)
+#define CyENB_RCVR (0x02)
+#define CyDIS_RCVR (0x01)
+#define CyCAR (0xee)
+#define CyIER (0x11)
+#define CyMdmCh (0x80)
+#define CyRxExc (0x20)
+#define CyRxData (0x08)
+#define CyTxMpty (0x02)
+#define CyTxRdy (0x01)
+#define CyLICR (0x26)
+#define CyRISR (0x89)
+#define CyTIMEOUT (0x80)
+#define CySPECHAR (0x70)
+#define CyOVERRUN (0x08)
+#define CyPARITY (0x04)
+#define CyFRAME (0x02)
+#define CyBREAK (0x01)
+#define CyREOIR (0x84)
+#define CyTEOIR (0x85)
+#define CyMEOIR (0x86)
+#define CyNOTRANS (0x08)
+#define CyRFOC (0x30)
+#define CyRDR (0xf8)
+#define CyTDR (0xf8)
+#define CyMISR (0x8b)
+#define CyRISR (0x89)
+#define CyTISR (0x8a)
+#define CyMSVR1 (0xde)
+#define CyMSVR2 (0xdf)
+#define CyDSR (0x80)
+#define CyDCD (0x40)
+#define CyCTS (0x20)
+#define CyDTR (0x02)
+#define CyRTS (0x01)
+#define CyRTPRL (0x25)
+#define CyRTPRH (0x24)
+#define CyCOR1 (0x10)
+#define CyPARITY_NONE (0x00)
+#define CyPARITY_E (0x40)
+#define CyPARITY_O (0xC0)
+#define Cy_5_BITS (0x04)
+#define Cy_6_BITS (0x05)
+#define Cy_7_BITS (0x06)
+#define Cy_8_BITS (0x07)
+#define CyCOR2 (0x17)
+#define CyETC (0x20)
+#define CyCtsAE (0x02)
+#define CyCOR3 (0x16)
+#define Cy_1_STOP (0x02)
+#define Cy_2_STOP (0x04)
+#define CyCOR4 (0x15)
+#define CyREC_FIFO (0x0F) /* Receive FIFO threshold */
+#define CyCOR5 (0x14)
+#define CyCOR6 (0x18)
+#define CyCOR7 (0x07)
+#define CyRBPR (0xcb)
+#define CyRCOR (0xc8)
+#define CyTBPR (0xc3)
+#define CyTCOR (0xc0)
+#define CySCHR1 (0x1f)
+#define CySCHR2 (0x1e)
+#define CyTPR (0xda)
+#define CyPILR1 (0xe3)
+#define CyPILR2 (0xe0)
+#define CyPILR3 (0xe1)
+#define CyCMR (0x1b)
+#define CyASYNC (0x02)
+#define CyLICR (0x26)
+#define CyLIVR (0x09)
+#define CySCRL (0x23)
+#define CySCRH (0x22)
+#define CyTFTC (0x80)
+
+static void cons_write(struct console *co, const char *str, unsigned count)
+{
+ volatile unsigned char *base_addr = (u_char *)CD2401_ADDR;
+ volatile u_char sink;
+ u_char ier;
+ int port;
+ u_char do_lf = 0;
+ int i = 0;
+
+ /* Ensure transmitter is enabled! */
+
+ port = 0;
+ base_addr[CyCAR] = (u_char)port;
+ while (base_addr[CyCCR])
+ ;
+ base_addr[CyCCR] = CyENB_XMTR;
+
+ ier = base_addr[CyIER];
+ base_addr[CyIER] = CyTxMpty;
+
+ while (1) {
+ if (pcc2chip[PccSCCTICR] & 0x20)
+ {
+ /* We have a Tx int. Acknowledge it */
+ sink = pcc2chip[PccTPIACKR];
+ if ((base_addr[CyLICR] >> 2) == port) {
+ if (i == count) {
+ /* Last char of string is now output */
+ base_addr[CyTEOIR] = CyNOTRANS;
+ break;
+ }
+ if (do_lf) {
+ base_addr[CyTDR] = '\n';
+ str++;
+ i++;
+ do_lf = 0;
+ }
+ else if (*str == '\n') {
+ base_addr[CyTDR] = '\r';
+ do_lf = 1;
+ }
+ else {
+ base_addr[CyTDR] = *str++;
+ i++;
+ }
+ base_addr[CyTEOIR] = 0;
+ }
+ else
+ base_addr[CyTEOIR] = CyNOTRANS;
+ }
+ }
+
+ base_addr[CyIER] = ier;
+}
+
+static struct console cons_info =
+{
+ .name = "sercon",
+ .write = cons_write,
+ .flags = CON_PRINTBUFFER | CON_BOOT,
+ .index = -1,
+};
+
+static void __init mvme16x_early_console(void)
+{
+ register_console(&cons_info);
+
+ printk(KERN_INFO "MVME16x: early console registered\n");
+}
+#endif
void __init config_mvme16x(void)
{
@@ -183,6 +340,9 @@ void __init config_mvme16x(void)
pcc2chip[PccSCCMICR] = 0x10;
pcc2chip[PccSCCTICR] = 0x10;
pcc2chip[PccSCCRICR] = 0x10;
+#ifdef CONFIG_EARLY_PRINTK
+ mvme16x_early_console();
+#endif
}
}