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Diffstat (limited to 'arch/m68k/mac/misc.c')
-rw-r--r--arch/m68k/mac/misc.c134
1 files changed, 76 insertions, 58 deletions
diff --git a/arch/m68k/mac/misc.c b/arch/m68k/mac/misc.c
index 4956edaac926..c68054361615 100644
--- a/arch/m68k/mac/misc.c
+++ b/arch/m68k/mac/misc.c
@@ -43,18 +43,19 @@ static long cuda_read_time(void)
while (!req.complete)
cuda_poll();
- time = (req.reply[3] << 24) | (req.reply[4] << 16)
- | (req.reply[5] << 8) | req.reply[6];
+ time = (req.reply[3] << 24) | (req.reply[4] << 16) |
+ (req.reply[5] << 8) | req.reply[6];
return time - RTC_OFFSET;
}
static void cuda_write_time(long data)
{
struct adb_request req;
+
data += RTC_OFFSET;
if (cuda_request(&req, NULL, 6, CUDA_PACKET, CUDA_SET_TIME,
- (data >> 24) & 0xFF, (data >> 16) & 0xFF,
- (data >> 8) & 0xFF, data & 0xFF) < 0)
+ (data >> 24) & 0xFF, (data >> 16) & 0xFF,
+ (data >> 8) & 0xFF, data & 0xFF) < 0)
return;
while (!req.complete)
cuda_poll();
@@ -63,8 +64,9 @@ static void cuda_write_time(long data)
static __u8 cuda_read_pram(int offset)
{
struct adb_request req;
+
if (cuda_request(&req, NULL, 4, CUDA_PACKET, CUDA_GET_PRAM,
- (offset >> 8) & 0xFF, offset & 0xFF) < 0)
+ (offset >> 8) & 0xFF, offset & 0xFF) < 0)
return 0;
while (!req.complete)
cuda_poll();
@@ -74,18 +76,14 @@ static __u8 cuda_read_pram(int offset)
static void cuda_write_pram(int offset, __u8 data)
{
struct adb_request req;
+
if (cuda_request(&req, NULL, 5, CUDA_PACKET, CUDA_SET_PRAM,
- (offset >> 8) & 0xFF, offset & 0xFF, data) < 0)
+ (offset >> 8) & 0xFF, offset & 0xFF, data) < 0)
return;
while (!req.complete)
cuda_poll();
}
-#else
-#define cuda_read_time() 0
-#define cuda_write_time(n)
-#define cuda_read_pram NULL
-#define cuda_write_pram NULL
-#endif
+#endif /* CONFIG_ADB_CUDA */
#ifdef CONFIG_ADB_PMU68K
static long pmu_read_time(void)
@@ -98,14 +96,15 @@ static long pmu_read_time(void)
while (!req.complete)
pmu_poll();
- time = (req.reply[1] << 24) | (req.reply[2] << 16)
- | (req.reply[3] << 8) | req.reply[4];
+ time = (req.reply[1] << 24) | (req.reply[2] << 16) |
+ (req.reply[3] << 8) | req.reply[4];
return time - RTC_OFFSET;
}
static void pmu_write_time(long data)
{
struct adb_request req;
+
data += RTC_OFFSET;
if (pmu_request(&req, NULL, 5, PMU_SET_RTC,
(data >> 24) & 0xFF, (data >> 16) & 0xFF,
@@ -118,6 +117,7 @@ static void pmu_write_time(long data)
static __u8 pmu_read_pram(int offset)
{
struct adb_request req;
+
if (pmu_request(&req, NULL, 3, PMU_READ_NVRAM,
(offset >> 8) & 0xFF, offset & 0xFF) < 0)
return 0;
@@ -129,18 +129,14 @@ static __u8 pmu_read_pram(int offset)
static void pmu_write_pram(int offset, __u8 data)
{
struct adb_request req;
+
if (pmu_request(&req, NULL, 4, PMU_WRITE_NVRAM,
(offset >> 8) & 0xFF, offset & 0xFF, data) < 0)
return;
while (!req.complete)
pmu_poll();
}
-#else
-#define pmu_read_time() 0
-#define pmu_write_time(n)
-#define pmu_read_pram NULL
-#define pmu_write_pram NULL
-#endif
+#endif /* CONFIG_ADB_PMU68K */
/*
* VIA PRAM/RTC access routines
@@ -151,8 +147,8 @@ static void pmu_write_pram(int offset, __u8 data)
static __u8 via_pram_readbyte(void)
{
- int i,reg;
- __u8 data;
+ int i, reg;
+ __u8 data;
reg = via1[vBufB] & ~VIA1B_vRTCClk;
@@ -178,7 +174,7 @@ static __u8 via_pram_readbyte(void)
static void via_pram_writebyte(__u8 data)
{
- int i,reg,bit;
+ int i, reg, bit;
reg = via1[vBufB] & ~(VIA1B_vRTCClk | VIA1B_vRTCData);
@@ -204,7 +200,7 @@ static void via_pram_writebyte(__u8 data)
static void via_pram_command(int command, __u8 *data)
{
unsigned long flags;
- int is_read;
+ int is_read;
local_irq_save(flags);
@@ -298,10 +294,10 @@ static long via_read_time(void)
static void via_write_time(long time)
{
union {
- __u8 cdata[4];
- long idata;
+ __u8 cdata[4];
+ long idata;
} data;
- __u8 temp;
+ __u8 temp;
/* Clear the write protect bit */
@@ -333,20 +329,16 @@ static void via_shutdown(void)
}
}
-/*
- * FIXME: not sure how this is supposed to work exactly...
- */
-
static void oss_shutdown(void)
{
oss->rom_ctrl = OSS_POWEROFF;
}
#ifdef CONFIG_ADB_CUDA
-
static void cuda_restart(void)
{
struct adb_request req;
+
if (cuda_request(&req, NULL, 2, CUDA_PACKET, CUDA_RESET_SYSTEM) < 0)
return;
while (!req.complete)
@@ -356,6 +348,7 @@ static void cuda_restart(void)
static void cuda_shutdown(void)
{
struct adb_request req;
+
if (cuda_request(&req, NULL, 2, CUDA_PACKET, CUDA_POWERDOWN) < 0)
return;
@@ -372,7 +365,6 @@ static void cuda_shutdown(void)
while (!req.complete)
cuda_poll();
}
-
#endif /* CONFIG_ADB_CUDA */
#ifdef CONFIG_ADB_PMU68K
@@ -419,18 +411,26 @@ void mac_pram_read(int offset, __u8 *buffer, int len)
__u8 (*func)(int);
int i;
- switch(macintosh_config->adb_type) {
+ switch (macintosh_config->adb_type) {
+ case MAC_ADB_IOP:
+ case MAC_ADB_II:
case MAC_ADB_PB1:
- case MAC_ADB_PB2:
- func = pmu_read_pram; break;
+ func = via_read_pram;
+ break;
+#ifdef CONFIG_ADB_CUDA
case MAC_ADB_EGRET:
case MAC_ADB_CUDA:
- func = cuda_read_pram; break;
+ func = cuda_read_pram;
+ break;
+#endif
+#ifdef CONFIG_ADB_PMU68K
+ case MAC_ADB_PB2:
+ func = pmu_read_pram;
+ break;
+#endif
default:
- func = via_read_pram;
- }
- if (!func)
return;
+ }
for (i = 0 ; i < len ; i++) {
buffer[i] = (*func)(offset++);
}
@@ -441,18 +441,26 @@ void mac_pram_write(int offset, __u8 *buffer, int len)
void (*func)(int, __u8);
int i;
- switch(macintosh_config->adb_type) {
+ switch (macintosh_config->adb_type) {
+ case MAC_ADB_IOP:
+ case MAC_ADB_II:
case MAC_ADB_PB1:
- case MAC_ADB_PB2:
- func = pmu_write_pram; break;
+ func = via_write_pram;
+ break;
+#ifdef CONFIG_ADB_CUDA
case MAC_ADB_EGRET:
case MAC_ADB_CUDA:
- func = cuda_write_pram; break;
+ func = cuda_write_pram;
+ break;
+#endif
+#ifdef CONFIG_ADB_PMU68K
+ case MAC_ADB_PB2:
+ func = pmu_write_pram;
+ break;
+#endif
default:
- func = via_write_pram;
- }
- if (!func)
return;
+ }
for (i = 0 ; i < len ; i++) {
(*func)(offset++, buffer[i]);
}
@@ -531,6 +539,7 @@ void mac_reset(void)
unsigned long phys = virt_to_phys(mac_reset);
unsigned long addr = (phys&0xFF000000)|0x8777;
unsigned long offset = phys-virt;
+
local_irq_disable(); /* lets not screw this up, ok? */
__asm__ __volatile__(".chip 68030\n\t"
"pmove %0,%/tt0\n\t"
@@ -538,7 +547,7 @@ void mac_reset(void)
: : "m" (addr));
/* Now jump to physical address so we can disable MMU */
__asm__ __volatile__(
- ".chip 68030\n\t"
+ ".chip 68030\n\t"
"lea %/pc@(1f),%/a0\n\t"
"addl %0,%/a0\n\t"/* fixup target address and stack ptr */
"addl %0,%/sp\n\t"
@@ -627,9 +636,8 @@ static void unmktime(unsigned long time, long offset,
long int yg = y + days / 365 - (days % 365 < 0);
/* Adjust DAYS and Y to match the guessed year. */
- days -= ((yg - y) * 365
- + LEAPS_THRU_END_OF (yg - 1)
- - LEAPS_THRU_END_OF (y - 1));
+ days -= (yg - y) * 365 +
+ LEAPS_THRU_END_OF(yg - 1) - LEAPS_THRU_END_OF(y - 1);
y = yg;
}
*yearp = y - 1900;
@@ -653,18 +661,22 @@ int mac_hwclk(int op, struct rtc_time *t)
if (!op) { /* read */
switch (macintosh_config->adb_type) {
- case MAC_ADB_II:
case MAC_ADB_IOP:
- now = via_read_time();
- break;
+ case MAC_ADB_II:
case MAC_ADB_PB1:
- case MAC_ADB_PB2:
- now = pmu_read_time();
+ now = via_read_time();
break;
+#ifdef CONFIG_ADB_CUDA
case MAC_ADB_EGRET:
case MAC_ADB_CUDA:
now = cuda_read_time();
break;
+#endif
+#ifdef CONFIG_ADB_PMU68K
+ case MAC_ADB_PB2:
+ now = pmu_read_time();
+ break;
+#endif
default:
now = 0;
}
@@ -685,18 +697,24 @@ int mac_hwclk(int op, struct rtc_time *t)
t->tm_hour, t->tm_min, t->tm_sec);
switch (macintosh_config->adb_type) {
- case MAC_ADB_II:
case MAC_ADB_IOP:
+ case MAC_ADB_II:
+ case MAC_ADB_PB1:
via_write_time(now);
break;
+#ifdef CONFIG_ADB_CUDA
case MAC_ADB_EGRET:
case MAC_ADB_CUDA:
cuda_write_time(now);
break;
- case MAC_ADB_PB1:
+#endif
+#ifdef CONFIG_ADB_PMU68K
case MAC_ADB_PB2:
pmu_write_time(now);
break;
+#endif
+ default:
+ return -ENODEV;
}
}
return 0;
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