From c066a32a890c50ce59e91f8cea8eb5fd8d5821b9 Mon Sep 17 00:00:00 2001
From: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Date: Thu, 28 Dec 2006 18:22:32 +0100
Subject: [MIPS] Support for several more SNI RM models.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/pci/fixup-sni.c | 66 ++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 62 insertions(+), 4 deletions(-)

(limited to 'arch/mips/pci/fixup-sni.c')

diff --git a/arch/mips/pci/fixup-sni.c b/arch/mips/pci/fixup-sni.c
index a176f2ca8656..0c9a4732d455 100644
--- a/arch/mips/pci/fixup-sni.c
+++ b/arch/mips/pci/fixup-sni.c
@@ -15,7 +15,7 @@
 #include <asm/sni.h>
 
 /*
- * Shortcuts ...
+ * PCIMT Shortcuts ...
  */
 #define SCSI	PCIMT_IRQ_SCSI
 #define ETH	PCIMT_IRQ_ETHERNET
@@ -67,6 +67,50 @@ static char irq_tab_rm300d[8][5] __initdata = {
 	{     0, INTD, INTA, INTB, INTC },	/* Slot 4 */
 };
 
+static char irq_tab_rm300e[5][5] __initdata = {
+	/*       INTA  INTB  INTC  INTD */
+	{     0,    0,    0,    0,    0 },	/* HOST bridge */
+	{  SCSI, SCSI, SCSI, SCSI, SCSI },	/* SCSI */
+	{     0, INTC, INTD, INTA, INTB },	/* Bridge/i960 */
+	{     0, INTD, INTA, INTB, INTC },	/* Slot 1 */
+	{     0, INTA, INTB, INTC, INTD },	/* Slot 2 */
+};
+#undef SCSI
+#undef ETH
+#undef INTA
+#undef INTB
+#undef INTC
+#undef INTD
+
+
+/*
+ * PCIT Shortcuts ...
+ */
+#define SCSI0	PCIT_IRQ_SCSI0
+#define SCSI1	PCIT_IRQ_SCSI1
+#define ETH	PCIT_IRQ_ETHERNET
+#define INTA	PCIT_IRQ_INTA
+#define INTB	PCIT_IRQ_INTB
+#define INTC	PCIT_IRQ_INTC
+#define INTD	PCIT_IRQ_INTD
+
+static char irq_tab_pcit[13][5] __initdata = {
+	/*       INTA  INTB  INTC  INTD */
+	{     0,     0,     0,     0,     0 },	/* HOST bridge */
+	{ SCSI0, SCSI0, SCSI0, SCSI0, SCSI0 },	/* SCSI */
+	{ SCSI1, SCSI1, SCSI1, SCSI1, SCSI1 },	/* SCSI */
+	{   ETH,   ETH,   ETH,   ETH,   ETH },	/* Ethernet */
+	{     0,  INTA,  INTB,  INTC,  INTD },	/* PCI-PCI bridge */
+	{     0,     0,     0,     0,     0 },	/* Unused */
+	{     0,     0,     0,     0,     0 },	/* Unused */
+	{     0,     0,     0,     0,     0 },	/* Unused */
+	{     0,  INTA,  INTB,  INTC,  INTD },	/* Slot 1 */
+	{     0,  INTB,  INTC,  INTD,  INTA },	/* Slot 2 */
+	{     0,  INTC,  INTD,  INTA,  INTB },	/* Slot 3 */
+	{     0,  INTD,  INTA,  INTB,  INTC },	/* Slot 4 */
+	{     0,  INTA,  INTB,  INTC,  INTD },	/* Slot 5 */
+};
+
 static inline int is_rm300_revd(void)
 {
 	unsigned char csmsr = *(volatile unsigned char *)PCIMT_CSMSR;
@@ -76,10 +120,24 @@ static inline int is_rm300_revd(void)
 
 int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
 {
-	if (is_rm300_revd())
-		return irq_tab_rm300d[slot][pin];
+	switch (sni_brd_type) {
+	case SNI_BRD_PCI_TOWER:
+	case SNI_BRD_PCI_TOWER_CPLUS:
+	        return irq_tab_pcit[slot][pin];
+
+	case SNI_BRD_PCI_MTOWER:
+	        if (is_rm300_revd())
+		        return irq_tab_rm300d[slot][pin];
+	        /* fall through */
 
-	return irq_tab_rm200[slot][pin];
+	case SNI_BRD_PCI_DESKTOP:
+	        return irq_tab_rm200[slot][pin];
+
+	case SNI_BRD_PCI_MTOWER_CPLUS:
+	        return irq_tab_rm300e[slot][pin];
+	}
+
+	return 0;
 }
 
 /* Do platform specific device initialization at pci_enable_device() time */
-- 
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