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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k 

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
  m68k: use the new byteorder headers
  fbcon: Protect free_irq() by MACH_IS_ATARI check
  fbcon: remove broken mac vbl handler
  m68k: fix trigraph ignored warning in setox.S
  macfb annotations and compiler warning fix
  m68k: mac baboon interrupt enable/disable
  m68k: machw.h cleanup
  m68k: Mac via cleanup and commentry
  m68k: Reinstate mac rtc
This commit is contained in:
Linus Torvalds 2008-12-28 12:54:07 -08:00
parent 0191b625ca aa6eeeef78
commit 541ef5cbb8
18 changed files with 105 additions and 206 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/m68k/fpsp040/setox.S
View File

@ -36,9 +36,9 @@
| depending on their values, the program may run faster or slower --
| but no worse than 10% slower even in the extreme cases.
|
| The program setoxm1 takes approximately ???/??? cycles for input
| The program setoxm1 takes approximately ??? / ??? cycles for input
| argument X, 0.25 <= |X| < 70log2. For |X| < 0.25, it takes
| approximately ???/??? cycles. For the less common arguments,
| approximately ??? / ??? cycles. For the less common arguments,
| depending on their values, the program may run faster or slower --
| but no worse than 10% slower even in the extreme cases.
|

42
arch/m68k/mac/baboon.c
View File

@ -18,11 +18,14 @@
#include <asm/macints.h>
#include <asm/mac_baboon.h>
/* #define DEBUG_BABOON */
/* #define DEBUG_IRQS */
extern void mac_enable_irq(unsigned int);
extern void mac_disable_irq(unsigned int);
int baboon_present;
static volatile struct baboon *baboon;
static unsigned char baboon_disabled;
#if 0
extern int macide_ack_intr(struct ata_channel *);
@ -88,34 +91,51 @@ static irqreturn_t baboon_irq(int irq, void *dev_id)
void __init baboon_register_interrupts(void)
{
request_irq(IRQ_NUBUS_C, baboon_irq, IRQ_FLG_LOCK|IRQ_FLG_FAST,
"baboon", (void *) baboon);
baboon_disabled = 0;
request_irq(IRQ_NUBUS_C, baboon_irq, 0, "baboon", (void *)baboon);
}
void baboon_irq_enable(int irq) {
/*
* The means for masking individual baboon interrupts remains a mystery, so
* enable the umbrella interrupt only when no baboon interrupt is disabled.
*/
void baboon_irq_enable(int irq)
{
int irq_idx = IRQ_IDX(irq);
#ifdef DEBUG_IRQUSE
printk("baboon_irq_enable(%d)\n", irq);
#endif
/* FIXME: figure out how to mask and unmask baboon interrupt sources */
enable_irq(IRQ_NUBUS_C);
baboon_disabled &= ~(1 << irq_idx);
if (!baboon_disabled)
mac_enable_irq(IRQ_NUBUS_C);
}
void baboon_irq_disable(int irq) {
void baboon_irq_disable(int irq)
{
int irq_idx = IRQ_IDX(irq);
#ifdef DEBUG_IRQUSE
printk("baboon_irq_disable(%d)\n", irq);
#endif
disable_irq(IRQ_NUBUS_C);
baboon_disabled |= 1 << irq_idx;
if (baboon_disabled)
mac_disable_irq(IRQ_NUBUS_C);
}
void baboon_irq_clear(int irq) {
int irq_idx = IRQ_IDX(irq);
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);
int irq_idx = IRQ_IDX(irq);
return baboon->mb_ifr & (1 << irq_idx);
}

3
arch/m68k/mac/config.c
View File

@ -162,10 +162,7 @@ void __init config_mac(void)
mach_init_IRQ = mac_init_IRQ;
mach_get_model = mac_get_model;
mach_gettimeoffset = mac_gettimeoffset;
#warning move to adb/via init
#if 0
mach_hwclk = mac_hwclk;
#endif
mach_set_clock_mmss = mac_set_clock_mmss;
mach_reset = mac_reset;
mach_halt = mac_poweroff;

1
arch/m68k/mac/debug.c
View File

@ -24,7 +24,6 @@
#define BOOTINFO_COMPAT_1_0
#include <asm/setup.h>
#include <asm/bootinfo.h>
#include <asm/machw.h>
#include <asm/macints.h>
extern unsigned long mac_videobase;

9
arch/m68k/mac/macints.c
View File

@ -127,7 +127,6 @@
#include <asm/irq.h>
#include <asm/traps.h>
#include <asm/bootinfo.h>
#include <asm/machw.h>
#include <asm/macintosh.h>
#include <asm/mac_via.h>
#include <asm/mac_psc.h>
@ -215,8 +214,8 @@ irqreturn_t mac_debug_handler(int, void *);
/* #define DEBUG_MACINTS */
static void mac_enable_irq(unsigned int irq);
static void mac_disable_irq(unsigned int irq);
void mac_enable_irq(unsigned int irq);
void mac_disable_irq(unsigned int irq);
static struct irq_controller mac_irq_controller = {
.name = "mac",
@ -275,7 +274,7 @@ void __init mac_init_IRQ(void)
* These routines are just dispatchers to the VIA/OSS/PSC routines.
*/
static void mac_enable_irq(unsigned int irq)
void mac_enable_irq(unsigned int irq)
{
int irq_src = IRQ_SRC(irq);
@ -308,7 +307,7 @@ static void mac_enable_irq(unsigned int irq)
}
}
static void mac_disable_irq(unsigned int irq)
void mac_disable_irq(unsigned int irq)
{
int irq_src = IRQ_SRC(irq);

16
arch/m68k/mac/misc.c
View File

@ -93,7 +93,7 @@ static void cuda_write_pram(int offset, __u8 data)
#define cuda_write_pram NULL
#endif
#ifdef CONFIG_ADB_PMU68K
#if 0 /* def CONFIG_ADB_PMU68K */
static long pmu_read_time(void)
{
struct adb_request req;
@ -148,7 +148,7 @@ static void pmu_write_pram(int offset, __u8 data)
#define pmu_write_pram NULL
#endif
#ifdef CONFIG_ADB_MACIISI
#if 0 /* def CONFIG_ADB_MACIISI */
extern int maciisi_request(struct adb_request *req,
void (*done)(struct adb_request *), int nbytes, ...);
@ -717,13 +717,18 @@ int mac_hwclk(int op, struct rtc_time *t)
unmktime(now, 0,
&t->tm_year, &t->tm_mon, &t->tm_mday,
&t->tm_hour, &t->tm_min, &t->tm_sec);
#if 0
printk("mac_hwclk: read %04d-%02d-%-2d %02d:%02d:%02d\n",
t->tm_year + 1900, t->tm_mon + 1, t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec);
t->tm_year + 1900, t->tm_mon + 1, t->tm_mday,
t->tm_hour, t->tm_min, t->tm_sec);
#endif
} else { /* write */
#if 0
printk("mac_hwclk: tried to write %04d-%02d-%-2d %02d:%02d:%02d\n",
t->tm_year + 1900, t->tm_mon + 1, t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec);
t->tm_year + 1900, t->tm_mon + 1, t->tm_mday,
t->tm_hour, t->tm_min, t->tm_sec);
#endif
#if 0 /* it trashes my rtc */
now = mktime(t->tm_year + 1900, t->tm_mon + 1, t->tm_mday,
t->tm_hour, t->tm_min, t->tm_sec);
@ -742,7 +747,6 @@ int mac_hwclk(int op, struct rtc_time *t)
case MAC_ADB_IISI:
maciisi_write_time(now);
}
#endif
}
return 0;
}

1
arch/m68k/mac/oss.c
View File

@ -21,7 +21,6 @@
#include <linux/init.h>
#include <asm/bootinfo.h>
#include <asm/machw.h>
#include <asm/macintosh.h>
#include <asm/macints.h>
#include <asm/mac_via.h>

80
arch/m68k/mac/via.c
View File

@ -32,15 +32,10 @@
#include <asm/bootinfo.h>
#include <asm/macintosh.h>
#include <asm/macints.h>
#include <asm/machw.h>
#include <asm/mac_via.h>
#include <asm/mac_psc.h>
volatile __u8 *via1, *via2;
#if 0
/* See note in mac_via.h about how this is possibly not useful */
volatile long *via_memory_bogon=(long *)&via_memory_bogon;
#endif
int rbv_present;
int via_alt_mapping;
EXPORT_SYMBOL(via_alt_mapping);
@ -66,7 +61,7 @@ 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 the slot IRQ lines outputs, set
/* 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
@ -180,7 +175,7 @@ void __init via_init(void)
via1[vT1CH] = 0;
via1[vT2CL] = 0;
via1[vT2CH] = 0;
via1[vACR] &= 0x3F;
via1[vACR] &= ~0xC0; /* setup T1 timer with no PB7 output */
via1[vACR] &= ~0x03; /* disable port A & B latches */
/*
@ -203,40 +198,41 @@ void __init via_init(void)
/* Everything below this point is VIA2/RBV only... */
if (oss_present) return;
if (oss_present)
return;
#if 1
/* 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. */
switch(macintosh_config->ident) {
case MAC_MODEL_P475:
case MAC_MODEL_P475F:
case MAC_MODEL_P575:
case MAC_MODEL_Q605:
case MAC_MODEL_Q605_ACC:
case MAC_MODEL_C610:
case MAC_MODEL_Q610:
case MAC_MODEL_Q630:
case MAC_MODEL_C650:
case MAC_MODEL_Q650:
case MAC_MODEL_Q700:
case MAC_MODEL_Q800:
case MAC_MODEL_Q900:
case MAC_MODEL_Q950:
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;
default:
via_alt_mapping = 0;
break;
}
#else
via_alt_mapping = 0;
#endif
}
/*
* Now initialize VIA2. For RBV we just kill all interrupts;
@ -252,14 +248,17 @@ void __init via_init(void)
via2[vT1CH] = 0;
via2[vT2CL] = 0;
via2[vT2CH] = 0;
via2[vACR] &= 0x3F;
via2[vACR] &= ~0xC0; /* setup T1 timer with no PB7 output */
via2[vACR] &= ~0x03; /* disable port A & B latches */
}
/*
* Set vPCR for SCSI interrupts (but not on RBV)
* Set vPCR for control line interrupts (but not on RBV)
*/
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 */
@ -466,21 +465,6 @@ irqreturn_t via1_irq(int irq, void *dev_id)
++irq_num;
irq_bit <<= 1;
} while (events >= irq_bit);
#if 0 /* freakin' pmu is doing weird stuff */
if (!oss_present) {
/* This (still) seems to be necessary to get IDE
working. However, if you enable VBL interrupts,
you're screwed... */
/* FIXME: should we check the SLOTIRQ bit before
pulling this stunt? */
/* No, it won't be set. that's why we're doing this. */
via_irq_disable(IRQ_MAC_NUBUS);
via_irq_clear(IRQ_MAC_NUBUS);
m68k_handle_int(IRQ_MAC_NUBUS);
via_irq_enable(IRQ_MAC_NUBUS);
}
#endif
return IRQ_HANDLED;
}

1
drivers/ide/macide.c
View File

@ -18,7 +18,6 @@
#include <linux/delay.h>
#include <linux/ide.h>
#include <asm/machw.h>
#include <asm/macintosh.h>
#include <asm/macints.h>
#include <asm/mac_baboon.h>

1
drivers/macintosh/via-cuda.c
View File

@ -23,7 +23,6 @@
#else
#include <asm/macintosh.h>
#include <asm/macints.h>
#include <asm/machw.h>
#include <asm/mac_via.h>
#endif
#include <asm/io.h>

1
drivers/macintosh/via-macii.c
View File

@ -33,7 +33,6 @@
#include <linux/init.h>
#include <asm/macintosh.h>
#include <asm/macints.h>
#include <asm/machw.h>
#include <asm/mac_via.h>
#include <asm/system.h>

1
drivers/macintosh/via-maciisi.c
View File

@ -24,7 +24,6 @@
#include <linux/interrupt.h>
#include <asm/macintosh.h>
#include <asm/macints.h>
#include <asm/machw.h>
#include <asm/mac_via.h>
static volatile unsigned char *via;

1
drivers/macintosh/via-pmu68k.c
View File

@ -35,7 +35,6 @@
#include <asm/macintosh.h>
#include <asm/macints.h>
#include <asm/machw.h>
#include <asm/mac_via.h>
#include <asm/pgtable.h>

1
drivers/scsi/mac_scsi.c
View File

@ -47,7 +47,6 @@
#include <asm/macintosh.h>
#include <asm/macints.h>
#include <asm/machw.h>
#include <asm/mac_via.h>
#include "scsi.h"

78
drivers/video/console/fbcon.c
View File

@ -81,9 +81,6 @@
#ifdef CONFIG_ATARI
#include <asm/atariints.h>
#endif
#ifdef CONFIG_MAC
#include <asm/macints.h>
#endif
#if defined(__mc68000__)
#include <asm/machdep.h>
#include <asm/setup.h>
@ -160,8 +157,6 @@ static int fbcon_set_origin(struct vc_data *);
/* # VBL ints between cursor state changes */
#define ATARI_CURSOR_BLINK_RATE (42)
#define MAC_CURSOR_BLINK_RATE (32)
#define DEFAULT_CURSOR_BLINK_RATE (20)
static int vbl_cursor_cnt;
static int fbcon_cursor_noblink;
@ -210,19 +205,6 @@ static void fbcon_start(void);
static void fbcon_exit(void);
static struct device *fbcon_device;
#ifdef CONFIG_MAC
/*
* On the Macintoy, there may or may not be a working VBL int. We need to probe
*/
static int vbl_detected;
static irqreturn_t fb_vbl_detect(int irq, void *dummy)
{
vbl_detected++;
return IRQ_HANDLED;
}
#endif
#ifdef CONFIG_FRAMEBUFFER_CONSOLE_ROTATION
static inline void fbcon_set_rotation(struct fb_info *info)
{
@ -421,7 +403,7 @@ static void fb_flashcursor(struct work_struct *work)
release_console_sem();
}
#if defined(CONFIG_ATARI) || defined(CONFIG_MAC)
#ifdef CONFIG_ATARI
static int cursor_blink_rate;
static irqreturn_t fb_vbl_handler(int irq, void *dev_id)
{
@ -949,9 +931,7 @@ static const char *fbcon_startup(void)
struct fb_info *info = NULL;
struct fbcon_ops *ops;
int rows, cols;
int irqres;
irqres = 1;
/*
* If num_registered_fb is zero, this is a call for the dummy part.
* The frame buffer devices weren't initialized yet.
@ -1040,56 +1020,11 @@ static const char *fbcon_startup(void)
#ifdef CONFIG_ATARI
if (MACH_IS_ATARI) {
cursor_blink_rate = ATARI_CURSOR_BLINK_RATE;
irqres =
request_irq(IRQ_AUTO_4, fb_vbl_handler,
(void)request_irq(IRQ_AUTO_4, fb_vbl_handler,
IRQ_TYPE_PRIO, "framebuffer vbl",
info);
}
#endif /* CONFIG_ATARI */
#ifdef CONFIG_MAC
/*
* On a Macintoy, the VBL interrupt may or may not be active.
* As interrupt based cursor is more reliable and race free, we
* probe for VBL interrupts.
*/
if (MACH_IS_MAC) {
int ct = 0;
/*
* Probe for VBL: set temp. handler ...
*/
irqres = request_irq(IRQ_MAC_VBL, fb_vbl_detect, 0,
"framebuffer vbl", info);
vbl_detected = 0;
/*
* ... and spin for 20 ms ...
*/
while (!vbl_detected && ++ct < 1000)
udelay(20);
if (ct == 1000)
printk
("fbcon_startup: No VBL detected, using timer based cursor.\n");
free_irq(IRQ_MAC_VBL, fb_vbl_detect);
if (vbl_detected) {
/*
* interrupt based cursor ok
*/
cursor_blink_rate = MAC_CURSOR_BLINK_RATE;
irqres =
request_irq(IRQ_MAC_VBL, fb_vbl_handler, 0,
"framebuffer vbl", info);
} else {
/*
* VBL not detected: fall through, use timer based cursor
*/
irqres = 1;
}
}
#endif /* CONFIG_MAC */
#endif /* CONFIG_ATARI */
fbcon_add_cursor_timer(info);
fbcon_has_exited = 0;
@ -3520,11 +3455,8 @@ static void fbcon_exit(void)
return;
#ifdef CONFIG_ATARI
free_irq(IRQ_AUTO_4, fb_vbl_handler);
#endif
#ifdef CONFIG_MAC
if (MACH_IS_MAC && vbl_detected)
free_irq(IRQ_MAC_VBL, fb_vbl_handler);
if (MACH_IS_ATARI)
free_irq(IRQ_AUTO_4, fb_vbl_handler);
#endif
kfree((void *)softback_buf);

33
drivers/video/macfb.c
View File

@ -36,7 +36,6 @@
#include <asm/irq.h>
#include <asm/macintosh.h>
#include <asm/io.h>
#include <asm/machw.h>
/* Common DAC base address for the LC, RBV, Valkyrie, and IIvx */
#define DAC_BASE 0x50f24000
@ -78,34 +77,34 @@ static int csc_setpalette (unsigned int regno, unsigned int red,
unsigned int green, unsigned int blue,
struct fb_info *fb_info);
static volatile struct {
static struct {
unsigned char addr;
/* Note: word-aligned */
char pad[3];
unsigned char lut;
} *valkyrie_cmap_regs;
} __iomem *valkyrie_cmap_regs;
static volatile struct {
static struct {
unsigned char addr;
unsigned char lut;
} *v8_brazil_cmap_regs;
} __iomem *v8_brazil_cmap_regs;
static volatile struct {
static struct {
unsigned char addr;
char pad1[3]; /* word aligned */
unsigned char lut;
char pad2[3]; /* word aligned */
unsigned char cntl; /* a guess as to purpose */
} *rbv_cmap_regs;
} __iomem *rbv_cmap_regs;
static volatile struct {
static struct {
unsigned long reset;
unsigned long pad1[3];
unsigned char pad2[3];
unsigned char lut;
} *dafb_cmap_regs;
} __iomem *dafb_cmap_regs;
static volatile struct {
static struct {
unsigned char addr; /* OFFSET: 0x00 */
unsigned char pad1[15];
unsigned char lut; /* OFFSET: 0x10 */
@ -114,16 +113,16 @@ static volatile struct {
unsigned char pad3[7];
unsigned long vbl_addr; /* OFFSET: 0x28 */
unsigned int status2; /* OFFSET: 0x2C */
} *civic_cmap_regs;
} __iomem *civic_cmap_regs;
static volatile struct {
static struct {
char pad1[0x40];
unsigned char clut_waddr; /* 0x40 */
char pad2;
unsigned char clut_data; /* 0x42 */
char pad3[0x3];
unsigned char clut_raddr; /* 0x46 */
} *csc_cmap_regs;
} __iomem *csc_cmap_regs;
/* We will leave these the way they are for the time being */
struct mdc_cmap_regs {
@ -507,10 +506,10 @@ static int csc_setpalette (unsigned int regno, unsigned int red,
struct fb_info *info)
{
mdelay(1);
csc_cmap_regs->clut_waddr = regno;
csc_cmap_regs->clut_data = red;
csc_cmap_regs->clut_data = green;
csc_cmap_regs->clut_data = blue;
nubus_writeb(regno, &csc_cmap_regs->clut_waddr);
nubus_writeb(red, &csc_cmap_regs->clut_data);
nubus_writeb(green, &csc_cmap_regs->clut_data);
nubus_writeb(blue, &csc_cmap_regs->clut_data);
return 0;
}

16
include/asm-m68k/byteorder.h
View File

@ -4,22 +4,16 @@
#include <asm/types.h>
#include <linux/compiler.h>
#ifdef __GNUC__
#define __BIG_ENDIAN
#define __SWAB_64_THRU_32__
static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 val)
static inline __attribute_const__ __u32 __arch_swab32(__u32 val)
{
__asm__("rolw #8,%0; swap %0; rolw #8,%0" : "=d" (val) : "0" (val));
return val;
}
#define __arch__swab32(x) ___arch__swab32(x)
#define __arch_swab32 __arch_swab32
#endif
#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__)
# define __BYTEORDER_HAS_U64__
# define __SWAB_64_THRU_32__
#endif
#include <linux/byteorder/big_endian.h>
#include <linux/byteorder.h>
#endif /* _M68K_BYTEORDER_H */

22
include/asm-m68k/machw.h
View File

@ -26,28 +26,6 @@
#include <linux/types.h>
#if 0
/* Mac SCSI Controller 5380 */
#define MAC_5380_BAS (0x50F10000) /* This is definitely wrong!! */
struct MAC_5380 {
u_char scsi_data;
u_char char_dummy1;
u_char scsi_icr;
u_char char_dummy2;
u_char scsi_mode;
u_char char_dummy3;
u_char scsi_tcr;
u_char char_dummy4;
u_char scsi_idstat;
u_char char_dummy5;
u_char scsi_dmastat;
u_char char_dummy6;
u_char scsi_targrcv;
u_char char_dummy7;
u_char scsi_inircv;
};
#define mac_scsi ((*(volatile struct MAC_5380 *)MAC_5380_BAS))
/*
** SCC Z8530
*/