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-rw-r--r--arch/m68k/mac/config.c32
-rw-r--r--arch/m68k/mac/iop.c54
-rw-r--r--arch/m68k/mac/via.c29
3 files changed, 33 insertions, 82 deletions
diff --git a/arch/m68k/mac/config.c b/arch/m68k/mac/config.c
index 0ac53d87493c..1cdac959bd91 100644
--- a/arch/m68k/mac/config.c
+++ b/arch/m68k/mac/config.c
@@ -55,10 +55,9 @@ struct mac_booter_data mac_bi_data;
static unsigned long mac_orig_videoaddr;
extern int mac_hwclk(int, struct rtc_time *);
-extern void iop_preinit(void);
extern void iop_init(void);
extern void via_init(void);
-extern void via_init_clock(irq_handler_t func);
+extern void via_init_clock(void);
extern void oss_init(void);
extern void psc_init(void);
extern void baboon_init(void);
@@ -69,9 +68,9 @@ static void mac_get_model(char *str);
static void mac_identify(void);
static void mac_report_hardware(void);
-static void __init mac_sched_init(irq_handler_t vector)
+static void __init mac_sched_init(void)
{
- via_init_clock(vector);
+ via_init_clock();
}
/*
@@ -141,7 +140,6 @@ void __init config_mac(void)
mach_reset = mac_reset;
mach_halt = mac_poweroff;
mach_power_off = mac_poweroff;
- mach_max_dma_address = 0xffffffff;
#if IS_ENABLED(CONFIG_INPUT_M68K_BEEP)
mach_beep = mac_mksound;
#endif
@@ -777,16 +775,12 @@ static struct resource scc_b_rsrcs[] = {
struct platform_device scc_a_pdev = {
.name = "scc",
.id = 0,
- .num_resources = ARRAY_SIZE(scc_a_rsrcs),
- .resource = scc_a_rsrcs,
};
EXPORT_SYMBOL(scc_a_pdev);
struct platform_device scc_b_pdev = {
.name = "scc",
.id = 1,
- .num_resources = ARRAY_SIZE(scc_b_rsrcs),
- .resource = scc_b_rsrcs,
};
EXPORT_SYMBOL(scc_b_pdev);
@@ -813,10 +807,15 @@ static void __init mac_identify(void)
/* Set up serial port resources for the console initcall. */
- scc_a_rsrcs[0].start = (resource_size_t) mac_bi_data.sccbase + 2;
- scc_a_rsrcs[0].end = scc_a_rsrcs[0].start;
- scc_b_rsrcs[0].start = (resource_size_t) mac_bi_data.sccbase;
- scc_b_rsrcs[0].end = scc_b_rsrcs[0].start;
+ scc_a_rsrcs[0].start = (resource_size_t)mac_bi_data.sccbase + 2;
+ scc_a_rsrcs[0].end = scc_a_rsrcs[0].start;
+ scc_a_pdev.num_resources = ARRAY_SIZE(scc_a_rsrcs);
+ scc_a_pdev.resource = scc_a_rsrcs;
+
+ scc_b_rsrcs[0].start = (resource_size_t)mac_bi_data.sccbase;
+ scc_b_rsrcs[0].end = scc_b_rsrcs[0].start;
+ scc_b_pdev.num_resources = ARRAY_SIZE(scc_b_rsrcs);
+ scc_b_pdev.resource = scc_b_rsrcs;
switch (macintosh_config->scc_type) {
case MAC_SCC_PSC:
@@ -835,13 +834,6 @@ static void __init mac_identify(void)
break;
}
- /*
- * We need to pre-init the IOPs, if any. Otherwise
- * the serial console won't work if the user had
- * the serial ports set to "Faster" mode in MacOS.
- */
- iop_preinit();
-
pr_info("Detected Macintosh model: %d\n", model);
/*
diff --git a/arch/m68k/mac/iop.c b/arch/m68k/mac/iop.c
index c669a7644301..de156a027f5b 100644
--- a/arch/m68k/mac/iop.c
+++ b/arch/m68k/mac/iop.c
@@ -47,6 +47,10 @@
*
* TODO:
*
+ * o The SCC IOP has to be placed in bypass mode before the serial console
+ * gets initialized. iop_init() would be one place to do that. Or the
+ * bootloader could do that. For now, the Serial Switch control panel
+ * is needed for that -- contrary to the changelog above.
* o Something should be periodically checking iop_alive() to make sure the
* IOP hasn't died.
* o Some of the IOP manager routines need better error checking and
@@ -225,40 +229,6 @@ static struct iop_msg *iop_get_unused_msg(void)
}
/*
- * This is called by the startup code before anything else. Its purpose
- * is to find and initialize the IOPs early in the boot sequence, so that
- * the serial IOP can be placed into bypass mode _before_ we try to
- * initialize the serial console.
- */
-
-void __init iop_preinit(void)
-{
- if (macintosh_config->scc_type == MAC_SCC_IOP) {
- if (macintosh_config->ident == MAC_MODEL_IIFX) {
- iop_base[IOP_NUM_SCC] = (struct mac_iop *) SCC_IOP_BASE_IIFX;
- } else {
- iop_base[IOP_NUM_SCC] = (struct mac_iop *) SCC_IOP_BASE_QUADRA;
- }
- iop_scc_present = 1;
- } else {
- iop_base[IOP_NUM_SCC] = NULL;
- iop_scc_present = 0;
- }
- if (macintosh_config->adb_type == MAC_ADB_IOP) {
- if (macintosh_config->ident == MAC_MODEL_IIFX) {
- iop_base[IOP_NUM_ISM] = (struct mac_iop *) ISM_IOP_BASE_IIFX;
- } else {
- iop_base[IOP_NUM_ISM] = (struct mac_iop *) ISM_IOP_BASE_QUADRA;
- }
- iop_stop(iop_base[IOP_NUM_ISM]);
- iop_ism_present = 1;
- } else {
- iop_base[IOP_NUM_ISM] = NULL;
- iop_ism_present = 0;
- }
-}
-
-/*
* Initialize the IOPs, if present.
*/
@@ -266,11 +236,23 @@ void __init iop_init(void)
{
int i;
- if (iop_scc_present) {
+ if (macintosh_config->scc_type == MAC_SCC_IOP) {
+ if (macintosh_config->ident == MAC_MODEL_IIFX)
+ iop_base[IOP_NUM_SCC] = (struct mac_iop *)SCC_IOP_BASE_IIFX;
+ else
+ iop_base[IOP_NUM_SCC] = (struct mac_iop *)SCC_IOP_BASE_QUADRA;
+ iop_scc_present = 1;
pr_debug("SCC IOP detected at %p\n", iop_base[IOP_NUM_SCC]);
}
- if (iop_ism_present) {
+ if (macintosh_config->adb_type == MAC_ADB_IOP) {
+ if (macintosh_config->ident == MAC_MODEL_IIFX)
+ iop_base[IOP_NUM_ISM] = (struct mac_iop *)ISM_IOP_BASE_IIFX;
+ else
+ iop_base[IOP_NUM_ISM] = (struct mac_iop *)ISM_IOP_BASE_QUADRA;
+ iop_ism_present = 1;
pr_debug("ISM IOP detected at %p\n", iop_base[IOP_NUM_ISM]);
+
+ iop_stop(iop_base[IOP_NUM_ISM]);
iop_start(iop_base[IOP_NUM_ISM]);
iop_alive(iop_base[IOP_NUM_ISM]); /* clears the alive flag */
}
diff --git a/arch/m68k/mac/via.c b/arch/m68k/mac/via.c
index ac77d73af19a..3d11d6219cdd 100644
--- a/arch/m68k/mac/via.c
+++ b/arch/m68k/mac/via.c
@@ -169,8 +169,6 @@ void __init via_init(void)
via1[vIER] = 0x7F;
via1[vIFR] = 0x7F;
- via1[vT1LL] = 0;
- via1[vT1LH] = 0;
via1[vT1CL] = 0;
via1[vT1CH] = 0;
via1[vT2CL] = 0;
@@ -225,8 +223,6 @@ void __init via_init(void)
via2[gIER] = 0x7F;
via2[gIFR] = 0x7F | rbv_clear;
if (!rbv_present) {
- via2[vT1LL] = 0;
- via2[vT1LH] = 0;
via2[vT1CL] = 0;
via2[vT1CH] = 0;
via2[vT2CL] = 0;
@@ -305,21 +301,6 @@ void via_l2_flush(int writeback)
}
/*
- * Return the status of the L2 cache on a IIci
- */
-
-int via_get_cache_disable(void)
-{
- /* Safeguard against being called accidentally */
- if (!via2) {
- printk(KERN_ERR "via_get_cache_disable called on a non-VIA machine!\n");
- return 1;
- }
-
- return (int) via2[gBufB] & VIA2B_vCDis;
-}
-
-/*
* Initialize VIA2 for Nubus access
*/
@@ -602,25 +583,21 @@ static u32 clk_total, clk_offset;
static irqreturn_t via_timer_handler(int irq, void *dev_id)
{
- irq_handler_t timer_routine = dev_id;
-
clk_total += VIA_TIMER_CYCLES;
clk_offset = 0;
- timer_routine(0, NULL);
+ legacy_timer_tick(1);
return IRQ_HANDLED;
}
-void __init via_init_clock(irq_handler_t timer_routine)
+void __init via_init_clock(void)
{
if (request_irq(IRQ_MAC_TIMER_1, via_timer_handler, IRQF_TIMER, "timer",
- timer_routine)) {
+ NULL)) {
pr_err("Couldn't register %s interrupt\n", "timer");
return;
}
- via1[vT1LL] = VIA_TC_LOW;
- via1[vT1LH] = VIA_TC_HIGH;
via1[vT1CL] = VIA_TC_LOW;
via1[vT1CH] = VIA_TC_HIGH;
via1[vACR] |= 0x40;
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