diff options
Diffstat (limited to 'arch/mips/pci/fixup-sni.c')
-rw-r--r-- | arch/mips/pci/fixup-sni.c | 66 |
1 files changed, 62 insertions, 4 deletions
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 @@ | |||
15 | #include <asm/sni.h> | 15 | #include <asm/sni.h> |
16 | 16 | ||
17 | /* | 17 | /* |
18 | * Shortcuts ... | 18 | * PCIMT Shortcuts ... |
19 | */ | 19 | */ |
20 | #define SCSI PCIMT_IRQ_SCSI | 20 | #define SCSI PCIMT_IRQ_SCSI |
21 | #define ETH PCIMT_IRQ_ETHERNET | 21 | #define ETH PCIMT_IRQ_ETHERNET |
@@ -67,6 +67,50 @@ static char irq_tab_rm300d[8][5] __initdata = { | |||
67 | { 0, INTD, INTA, INTB, INTC }, /* Slot 4 */ | 67 | { 0, INTD, INTA, INTB, INTC }, /* Slot 4 */ |
68 | }; | 68 | }; |
69 | 69 | ||
70 | static char irq_tab_rm300e[5][5] __initdata = { | ||
71 | /* INTA INTB INTC INTD */ | ||
72 | { 0, 0, 0, 0, 0 }, /* HOST bridge */ | ||
73 | { SCSI, SCSI, SCSI, SCSI, SCSI }, /* SCSI */ | ||
74 | { 0, INTC, INTD, INTA, INTB }, /* Bridge/i960 */ | ||
75 | { 0, INTD, INTA, INTB, INTC }, /* Slot 1 */ | ||
76 | { 0, INTA, INTB, INTC, INTD }, /* Slot 2 */ | ||
77 | }; | ||
78 | #undef SCSI | ||
79 | #undef ETH | ||
80 | #undef INTA | ||
81 | #undef INTB | ||
82 | #undef INTC | ||
83 | #undef INTD | ||
84 | |||
85 | |||
86 | /* | ||
87 | * PCIT Shortcuts ... | ||
88 | */ | ||
89 | #define SCSI0 PCIT_IRQ_SCSI0 | ||
90 | #define SCSI1 PCIT_IRQ_SCSI1 | ||
91 | #define ETH PCIT_IRQ_ETHERNET | ||
92 | #define INTA PCIT_IRQ_INTA | ||
93 | #define INTB PCIT_IRQ_INTB | ||
94 | #define INTC PCIT_IRQ_INTC | ||
95 | #define INTD PCIT_IRQ_INTD | ||
96 | |||
97 | static char irq_tab_pcit[13][5] __initdata = { | ||
98 | /* INTA INTB INTC INTD */ | ||
99 | { 0, 0, 0, 0, 0 }, /* HOST bridge */ | ||
100 | { SCSI0, SCSI0, SCSI0, SCSI0, SCSI0 }, /* SCSI */ | ||
101 | { SCSI1, SCSI1, SCSI1, SCSI1, SCSI1 }, /* SCSI */ | ||
102 | { ETH, ETH, ETH, ETH, ETH }, /* Ethernet */ | ||
103 | { 0, INTA, INTB, INTC, INTD }, /* PCI-PCI bridge */ | ||
104 | { 0, 0, 0, 0, 0 }, /* Unused */ | ||
105 | { 0, 0, 0, 0, 0 }, /* Unused */ | ||
106 | { 0, 0, 0, 0, 0 }, /* Unused */ | ||
107 | { 0, INTA, INTB, INTC, INTD }, /* Slot 1 */ | ||
108 | { 0, INTB, INTC, INTD, INTA }, /* Slot 2 */ | ||
109 | { 0, INTC, INTD, INTA, INTB }, /* Slot 3 */ | ||
110 | { 0, INTD, INTA, INTB, INTC }, /* Slot 4 */ | ||
111 | { 0, INTA, INTB, INTC, INTD }, /* Slot 5 */ | ||
112 | }; | ||
113 | |||
70 | static inline int is_rm300_revd(void) | 114 | static inline int is_rm300_revd(void) |
71 | { | 115 | { |
72 | unsigned char csmsr = *(volatile unsigned char *)PCIMT_CSMSR; | 116 | unsigned char csmsr = *(volatile unsigned char *)PCIMT_CSMSR; |
@@ -76,10 +120,24 @@ static inline int is_rm300_revd(void) | |||
76 | 120 | ||
77 | int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin) | 121 | int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin) |
78 | { | 122 | { |
79 | if (is_rm300_revd()) | 123 | switch (sni_brd_type) { |
80 | return irq_tab_rm300d[slot][pin]; | 124 | case SNI_BRD_PCI_TOWER: |
125 | case SNI_BRD_PCI_TOWER_CPLUS: | ||
126 | return irq_tab_pcit[slot][pin]; | ||
127 | |||
128 | case SNI_BRD_PCI_MTOWER: | ||
129 | if (is_rm300_revd()) | ||
130 | return irq_tab_rm300d[slot][pin]; | ||
131 | /* fall through */ | ||
81 | 132 | ||
82 | return irq_tab_rm200[slot][pin]; | 133 | case SNI_BRD_PCI_DESKTOP: |
134 | return irq_tab_rm200[slot][pin]; | ||
135 | |||
136 | case SNI_BRD_PCI_MTOWER_CPLUS: | ||
137 | return irq_tab_rm300e[slot][pin]; | ||
138 | } | ||
139 | |||
140 | return 0; | ||
83 | } | 141 | } |
84 | 142 | ||
85 | /* Do platform specific device initialization at pci_enable_device() time */ | 143 | /* Do platform specific device initialization at pci_enable_device() time */ |