diff options
Diffstat (limited to 'arch/mips/pci/ops-tx3927.c')
-rw-r--r-- | arch/mips/pci/ops-tx3927.c | 87 |
1 files changed, 80 insertions, 7 deletions
diff --git a/arch/mips/pci/ops-tx3927.c b/arch/mips/pci/ops-tx3927.c index aa698bd0d5e3..8a17a39e5bf2 100644 --- a/arch/mips/pci/ops-tx3927.c +++ b/arch/mips/pci/ops-tx3927.c | |||
@@ -8,7 +8,7 @@ | |||
8 | * | 8 | * |
9 | * Based on arch/mips/ddb5xxx/ddb5477/pci_ops.c | 9 | * Based on arch/mips/ddb5xxx/ddb5477/pci_ops.c |
10 | * | 10 | * |
11 | * Define the pci_ops for JMR3927. | 11 | * Define the pci_ops for TX3927. |
12 | * | 12 | * |
13 | * Much of the code is derived from the original DDB5074 port by | 13 | * Much of the code is derived from the original DDB5074 port by |
14 | * Geert Uytterhoeven <geert@sonycom.com> | 14 | * Geert Uytterhoeven <geert@sonycom.com> |
@@ -39,7 +39,7 @@ | |||
39 | #include <linux/init.h> | 39 | #include <linux/init.h> |
40 | 40 | ||
41 | #include <asm/addrspace.h> | 41 | #include <asm/addrspace.h> |
42 | #include <asm/jmr3927/jmr3927.h> | 42 | #include <asm/txx9/tx3927.h> |
43 | 43 | ||
44 | static inline int mkaddr(unsigned char bus, unsigned char dev_fn, | 44 | static inline int mkaddr(unsigned char bus, unsigned char dev_fn, |
45 | unsigned char where) | 45 | unsigned char where) |
@@ -68,7 +68,7 @@ static inline int check_abort(void) | |||
68 | return PCIBIOS_SUCCESSFUL; | 68 | return PCIBIOS_SUCCESSFUL; |
69 | } | 69 | } |
70 | 70 | ||
71 | static int jmr3927_pci_read_config(struct pci_bus *bus, unsigned int devfn, | 71 | static int tx3927_pci_read_config(struct pci_bus *bus, unsigned int devfn, |
72 | int where, int size, u32 * val) | 72 | int where, int size, u32 * val) |
73 | { | 73 | { |
74 | int ret; | 74 | int ret; |
@@ -94,7 +94,7 @@ static int jmr3927_pci_read_config(struct pci_bus *bus, unsigned int devfn, | |||
94 | return check_abort(); | 94 | return check_abort(); |
95 | } | 95 | } |
96 | 96 | ||
97 | static int jmr3927_pci_write_config(struct pci_bus *bus, unsigned int devfn, | 97 | static int tx3927_pci_write_config(struct pci_bus *bus, unsigned int devfn, |
98 | int where, int size, u32 val) | 98 | int where, int size, u32 val) |
99 | { | 99 | { |
100 | int ret; | 100 | int ret; |
@@ -125,7 +125,80 @@ static int jmr3927_pci_write_config(struct pci_bus *bus, unsigned int devfn, | |||
125 | return check_abort(); | 125 | return check_abort(); |
126 | } | 126 | } |
127 | 127 | ||
128 | struct pci_ops jmr3927_pci_ops = { | 128 | static struct pci_ops tx3927_pci_ops = { |
129 | jmr3927_pci_read_config, | 129 | .read = tx3927_pci_read_config, |
130 | jmr3927_pci_write_config, | 130 | .write = tx3927_pci_write_config, |
131 | }; | 131 | }; |
132 | |||
133 | void __init tx3927_pcic_setup(struct pci_controller *channel, | ||
134 | unsigned long sdram_size, int extarb) | ||
135 | { | ||
136 | unsigned long flags; | ||
137 | unsigned long io_base = | ||
138 | channel->io_resource->start + mips_io_port_base - IO_BASE; | ||
139 | unsigned long io_size = | ||
140 | channel->io_resource->end - channel->io_resource->start; | ||
141 | unsigned long io_pciaddr = | ||
142 | channel->io_resource->start - channel->io_offset; | ||
143 | unsigned long mem_base = | ||
144 | channel->mem_resource->start; | ||
145 | unsigned long mem_size = | ||
146 | channel->mem_resource->end - channel->mem_resource->start; | ||
147 | unsigned long mem_pciaddr = | ||
148 | channel->mem_resource->start - channel->mem_offset; | ||
149 | |||
150 | printk(KERN_INFO "TX3927 PCIC -- DID:%04x VID:%04x RID:%02x Arbiter:%s", | ||
151 | tx3927_pcicptr->did, tx3927_pcicptr->vid, | ||
152 | tx3927_pcicptr->rid, | ||
153 | extarb ? "External" : "Internal"); | ||
154 | channel->pci_ops = &tx3927_pci_ops; | ||
155 | |||
156 | local_irq_save(flags); | ||
157 | /* Disable External PCI Config. Access */ | ||
158 | tx3927_pcicptr->lbc = TX3927_PCIC_LBC_EPCAD; | ||
159 | #ifdef __BIG_ENDIAN | ||
160 | tx3927_pcicptr->lbc |= TX3927_PCIC_LBC_IBSE | | ||
161 | TX3927_PCIC_LBC_TIBSE | | ||
162 | TX3927_PCIC_LBC_TMFBSE | TX3927_PCIC_LBC_MSDSE; | ||
163 | #endif | ||
164 | /* LB->PCI mappings */ | ||
165 | tx3927_pcicptr->iomas = ~(io_size - 1); | ||
166 | tx3927_pcicptr->ilbioma = io_base; | ||
167 | tx3927_pcicptr->ipbioma = io_pciaddr; | ||
168 | tx3927_pcicptr->mmas = ~(mem_size - 1); | ||
169 | tx3927_pcicptr->ilbmma = mem_base; | ||
170 | tx3927_pcicptr->ipbmma = mem_pciaddr; | ||
171 | /* PCI->LB mappings */ | ||
172 | tx3927_pcicptr->iobas = 0xffffffff; | ||
173 | tx3927_pcicptr->ioba = 0; | ||
174 | tx3927_pcicptr->tlbioma = 0; | ||
175 | tx3927_pcicptr->mbas = ~(sdram_size - 1); | ||
176 | tx3927_pcicptr->mba = 0; | ||
177 | tx3927_pcicptr->tlbmma = 0; | ||
178 | /* Enable Direct mapping Address Space Decoder */ | ||
179 | tx3927_pcicptr->lbc |= TX3927_PCIC_LBC_ILMDE | TX3927_PCIC_LBC_ILIDE; | ||
180 | |||
181 | /* Clear All Local Bus Status */ | ||
182 | tx3927_pcicptr->lbstat = TX3927_PCIC_LBIM_ALL; | ||
183 | /* Enable All Local Bus Interrupts */ | ||
184 | tx3927_pcicptr->lbim = TX3927_PCIC_LBIM_ALL; | ||
185 | /* Clear All PCI Status Error */ | ||
186 | tx3927_pcicptr->pcistat = TX3927_PCIC_PCISTATIM_ALL; | ||
187 | /* Enable All PCI Status Error Interrupts */ | ||
188 | tx3927_pcicptr->pcistatim = TX3927_PCIC_PCISTATIM_ALL; | ||
189 | |||
190 | /* PCIC Int => IRC IRQ10 */ | ||
191 | tx3927_pcicptr->il = TX3927_IR_PCI; | ||
192 | /* Target Control (per errata) */ | ||
193 | tx3927_pcicptr->tc = TX3927_PCIC_TC_OF8E | TX3927_PCIC_TC_IF8E; | ||
194 | |||
195 | /* Enable Bus Arbiter */ | ||
196 | if (!extarb) | ||
197 | tx3927_pcicptr->pbapmc = TX3927_PCIC_PBAPMC_PBAEN; | ||
198 | |||
199 | tx3927_pcicptr->pcicmd = PCI_COMMAND_MASTER | | ||
200 | PCI_COMMAND_MEMORY | | ||
201 | PCI_COMMAND_IO | | ||
202 | PCI_COMMAND_PARITY | PCI_COMMAND_SERR; | ||
203 | local_irq_restore(flags); | ||
204 | } | ||