diff options
| -rw-r--r-- | arch/m68k/mac/config.c | 2 | ||||
| -rw-r--r-- | arch/m68k/mac/oss.c | 8 | ||||
| -rw-r--r-- | arch/m68k/mac/via.c | 32 |
3 files changed, 18 insertions, 24 deletions
diff --git a/arch/m68k/mac/config.c b/arch/m68k/mac/config.c index 22123f7e8f75..16cd5cea5207 100644 --- a/arch/m68k/mac/config.c +++ b/arch/m68k/mac/config.c @@ -898,8 +898,8 @@ static void __init mac_identify(void) mac_bi_data.id, mac_bi_data.cpuid, mac_bi_data.memsize); iop_init(); - via_init(); oss_init(); + via_init(); psc_init(); baboon_init(); diff --git a/arch/m68k/mac/oss.c b/arch/m68k/mac/oss.c index ca84dcf41fc9..61906eb67d0f 100644 --- a/arch/m68k/mac/oss.c +++ b/arch/m68k/mac/oss.c @@ -31,18 +31,18 @@ volatile struct mac_oss *oss; /* * Initialize the OSS - * - * The OSS "detection" code is actually in via_init() which is always called - * before us. Thus we can count on oss_present being valid on entry. */ void __init oss_init(void) { int i; - if (!oss_present) return; + if (macintosh_config->ident != MAC_MODEL_IIFX) + return; oss = (struct mac_oss *) OSS_BASE; + pr_debug("OSS detected at %p", oss); + oss_present = 1; /* Disable all interrupts. Unlike a VIA it looks like we */ /* do this by setting the source's interrupt level to zero. */ diff --git a/arch/m68k/mac/via.c b/arch/m68k/mac/via.c index 05021381af0b..19ad46ba4787 100644 --- a/arch/m68k/mac/via.c +++ b/arch/m68k/mac/via.c @@ -113,10 +113,6 @@ void via_debug_dump(void); * First we figure out where they actually _are_ as well as what type of * VIA we have for VIA2 (it could be a real VIA or an RBV or even an OSS.) * Then we pretty much clear them out and disable all IRQ sources. - * - * Note: the OSS is actually "detected" here and not in oss_init(). It just - * seems more logical to do it here since via_init() needs to know - * these things anyways. */ void __init via_init(void) @@ -124,21 +120,18 @@ void __init via_init(void) via1 = (void *)VIA1_BASE; pr_debug("VIA1 detected at %p\n", via1); - switch(macintosh_config->via_type) { + if (oss_present) { + via2 = NULL; + rbv_present = 0; + } else { + switch (macintosh_config->via_type) { /* IIci, IIsi, IIvx, IIvi (P6xx), LC series */ case MAC_VIA_IICI: - if (macintosh_config->ident == MAC_MODEL_IIFX) { - via2 = NULL; - rbv_present = 0; - oss_present = 1; - } else { - via2 = (void *) RBV_BASE; - pr_debug("VIA2 (RBV) detected at %p\n", via2); - rbv_present = 1; - oss_present = 0; - } + via2 = (void *)RBV_BASE; + pr_debug("VIA2 (RBV) detected at %p\n", via2); + rbv_present = 1; if (macintosh_config->ident == MAC_MODEL_LCIII) { rbv_clear = 0x00; } else { @@ -160,15 +153,16 @@ void __init via_init(void) via2 = (void *) VIA2_BASE; pr_debug("VIA2 detected at %p\n", via2); rbv_present = 0; - oss_present = 0; rbv_clear = 0x00; gIER = vIER; gIFR = vIFR; gBufA = vBufA; gBufB = vBufB; break; + default: panic("UNKNOWN VIA TYPE"); + } } #ifdef DEBUG_VIA @@ -295,9 +289,9 @@ void via_debug_dump(void) (uint) via1[vDirA], (uint) via1[vDirB], (uint) via1[vACR]); printk(KERN_DEBUG " PCR = 0x%02X IFR = 0x%02X IER = 0x%02X\n", (uint) via1[vPCR], (uint) via1[vIFR], (uint) via1[vIER]); - if (oss_present) { - printk(KERN_DEBUG "VIA2: <OSS>\n"); - } else if (rbv_present) { + if (!via2) + return; + if (rbv_present) { printk(KERN_DEBUG "VIA2: IFR = 0x%02X IER = 0x%02X\n", (uint) via2[rIFR], (uint) via2[rIER]); printk(KERN_DEBUG " SIFR = 0x%02X SIER = 0x%02X\n", |
