aboutsummaryrefslogtreecommitdiffstats
path: root/arch/powerpc/platforms/86xx
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/platforms/86xx')
-rw-r--r--arch/powerpc/platforms/86xx/Kconfig1
-rw-r--r--arch/powerpc/platforms/86xx/mpc86xx_hpcn.c224
2 files changed, 17 insertions, 208 deletions
diff --git a/arch/powerpc/platforms/86xx/Kconfig b/arch/powerpc/platforms/86xx/Kconfig
index 343b76d0d793..685b2fbbbe00 100644
--- a/arch/powerpc/platforms/86xx/Kconfig
+++ b/arch/powerpc/platforms/86xx/Kconfig
@@ -7,6 +7,7 @@ config MPC8641_HPCN
7 bool "Freescale MPC8641 HPCN" 7 bool "Freescale MPC8641 HPCN"
8 select PPC_I8259 8 select PPC_I8259
9 select DEFAULT_UIMAGE 9 select DEFAULT_UIMAGE
10 select FSL_ULI1575
10 help 11 help
11 This option enables support for the MPC8641 HPCN board. 12 This option enables support for the MPC8641 HPCN board.
12 13
diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
index e9eaa0749ae6..56b27caf7a27 100644
--- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
+++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
@@ -107,220 +107,25 @@ mpc86xx_hpcn_init_irq(void)
107} 107}
108 108
109#ifdef CONFIG_PCI 109#ifdef CONFIG_PCI
110extern int uses_fsl_uli_m1575;
111extern int uli_exclude_device(struct pci_controller *hose,
112 u_char bus, u_char devfn);
110 113
111enum pirq{PIRQA = 8, PIRQB, PIRQC, PIRQD, PIRQE, PIRQF, PIRQG, PIRQH}; 114static int mpc86xx_exclude_device(struct pci_controller *hose,
112const unsigned char uli1575_irq_route_table[16] = { 115 u_char bus, u_char devfn)
113 0, /* 0: Reserved */
114 0x8, /* 1: 0b1000 */
115 0, /* 2: Reserved */
116 0x2, /* 3: 0b0010 */
117 0x4, /* 4: 0b0100 */
118 0x5, /* 5: 0b0101 */
119 0x7, /* 6: 0b0111 */
120 0x6, /* 7: 0b0110 */
121 0, /* 8: Reserved */
122 0x1, /* 9: 0b0001 */
123 0x3, /* 10: 0b0011 */
124 0x9, /* 11: 0b1001 */
125 0xb, /* 12: 0b1011 */
126 0, /* 13: Reserved */
127 0xd, /* 14, 0b1101 */
128 0xf, /* 15, 0b1111 */
129};
130
131static int __devinit
132get_pci_irq_from_of(struct pci_controller *hose, int slot, int pin)
133{
134 struct of_irq oirq;
135 u32 laddr[3];
136 struct device_node *hosenode = hose ? hose->arch_data : NULL;
137
138 if (!hosenode) return -EINVAL;
139
140 laddr[0] = (hose->first_busno << 16) | (PCI_DEVFN(slot, 0) << 8);
141 laddr[1] = laddr[2] = 0;
142 of_irq_map_raw(hosenode, &pin, 1, laddr, &oirq);
143 DBG("mpc86xx_hpcn: pci irq addr %x, slot %d, pin %d, irq %d\n",
144 laddr[0], slot, pin, oirq.specifier[0]);
145 return oirq.specifier[0];
146}
147
148static void __devinit quirk_uli1575(struct pci_dev *dev)
149{
150 unsigned short temp;
151 struct pci_controller *hose = pci_bus_to_host(dev->bus);
152 unsigned char irq2pin[16], c;
153 unsigned long pirq_map_word = 0;
154 u32 irq;
155 int i;
156
157 /*
158 * ULI1575 interrupts route setup
159 */
160 memset(irq2pin, 0, 16); /* Initialize default value 0 */
161
162 /*
163 * PIRQA -> PIRQD mapping read from OF-tree
164 *
165 * interrupts for PCI slot0 -- PIRQA / PIRQB / PIRQC / PIRQD
166 * PCI slot1 -- PIRQB / PIRQC / PIRQD / PIRQA
167 */
168 for (i = 0; i < 4; i++){
169 irq = get_pci_irq_from_of(hose, 17, i + 1);
170 if (irq > 0 && irq < 16)
171 irq2pin[irq] = PIRQA + i;
172 else
173 printk(KERN_WARNING "ULI1575 device"
174 "(slot %d, pin %d) irq %d is invalid.\n",
175 17, i, irq);
176 }
177
178 /*
179 * PIRQE -> PIRQF mapping set manually
180 *
181 * IRQ pin IRQ#
182 * PIRQE ---- 9
183 * PIRQF ---- 10
184 * PIRQG ---- 11
185 * PIRQH ---- 12
186 */
187 for (i = 0; i < 4; i++) irq2pin[i + 9] = PIRQE + i;
188
189 /* Set IRQ-PIRQ Mapping to ULI1575 */
190 for (i = 0; i < 16; i++)
191 if (irq2pin[i])
192 pirq_map_word |= (uli1575_irq_route_table[i] & 0xf)
193 << ((irq2pin[i] - PIRQA) * 4);
194
195 /* ULI1575 IRQ mapping conf register default value is 0xb9317542 */
196 DBG("Setup ULI1575 IRQ mapping configuration register value = 0x%x\n",
197 pirq_map_word);
198 pci_write_config_dword(dev, 0x48, pirq_map_word);
199
200#define ULI1575_SET_DEV_IRQ(slot, pin, reg) \
201 do { \
202 int irq; \
203 irq = get_pci_irq_from_of(hose, slot, pin); \
204 if (irq > 0 && irq < 16) \
205 pci_write_config_byte(dev, reg, irq2pin[irq]); \
206 else \
207 printk(KERN_WARNING "ULI1575 device" \
208 "(slot %d, pin %d) irq %d is invalid.\n", \
209 slot, pin, irq); \
210 } while(0)
211
212 /* USB 1.1 OHCI controller 1, slot 28, pin 1 */
213 ULI1575_SET_DEV_IRQ(28, 1, 0x86);
214
215 /* USB 1.1 OHCI controller 2, slot 28, pin 2 */
216 ULI1575_SET_DEV_IRQ(28, 2, 0x87);
217
218 /* USB 1.1 OHCI controller 3, slot 28, pin 3 */
219 ULI1575_SET_DEV_IRQ(28, 3, 0x88);
220
221 /* USB 2.0 controller, slot 28, pin 4 */
222 irq = get_pci_irq_from_of(hose, 28, 4);
223 if (irq >= 0 && irq <=15)
224 pci_write_config_dword(dev, 0x74, uli1575_irq_route_table[irq]);
225
226 /* Audio controller, slot 29, pin 1 */
227 ULI1575_SET_DEV_IRQ(29, 1, 0x8a);
228
229 /* Modem controller, slot 29, pin 2 */
230 ULI1575_SET_DEV_IRQ(29, 2, 0x8b);
231
232 /* HD audio controller, slot 29, pin 3 */
233 ULI1575_SET_DEV_IRQ(29, 3, 0x8c);
234
235 /* SMB interrupt: slot 30, pin 1 */
236 ULI1575_SET_DEV_IRQ(30, 1, 0x8e);
237
238 /* PMU ACPI SCI interrupt: slot 30, pin 2 */
239 ULI1575_SET_DEV_IRQ(30, 2, 0x8f);
240
241 /* Serial ATA interrupt: slot 31, pin 1 */
242 ULI1575_SET_DEV_IRQ(31, 1, 0x8d);
243
244 /* Primary PATA IDE IRQ: 14
245 * Secondary PATA IDE IRQ: 15
246 */
247 pci_write_config_byte(dev, 0x44, 0x30 | uli1575_irq_route_table[14]);
248 pci_write_config_byte(dev, 0x75, uli1575_irq_route_table[15]);
249
250 /* Set IRQ14 and IRQ15 to legacy IRQs */
251 pci_read_config_word(dev, 0x46, &temp);
252 temp |= 0xc000;
253 pci_write_config_word(dev, 0x46, temp);
254
255 /* Set i8259 interrupt trigger
256 * IRQ 3: Level
257 * IRQ 4: Level
258 * IRQ 5: Level
259 * IRQ 6: Level
260 * IRQ 7: Level
261 * IRQ 9: Level
262 * IRQ 10: Level
263 * IRQ 11: Level
264 * IRQ 12: Level
265 * IRQ 14: Edge
266 * IRQ 15: Edge
267 */
268 outb(0xfa, 0x4d0);
269 outb(0x1e, 0x4d1);
270
271#undef ULI1575_SET_DEV_IRQ
272
273 /* Disable the HD interface and enable the AC97 interface. */
274 pci_read_config_byte(dev, 0xb8, &c);
275 c &= 0x7f;
276 pci_write_config_byte(dev, 0xb8, c);
277}
278
279static void __devinit quirk_uli5288(struct pci_dev *dev)
280{ 116{
281 unsigned char c; 117 struct device_node* node;
118 struct resource rsrc;
282 119
283 pci_read_config_byte(dev,0x83,&c); 120 node = (struct device_node *)hose->arch_data;
284 c |= 0x80; 121 of_address_to_resource(node, 0, &rsrc);
285 pci_write_config_byte(dev, 0x83, c);
286 122
287 pci_write_config_byte(dev, 0x09, 0x01); 123 if ((rsrc.start & 0xfffff) == 0x8000) {
288 pci_write_config_byte(dev, 0x0a, 0x06); 124 return uli_exclude_device(hose, bus, devfn);
289 125 }
290 pci_read_config_byte(dev,0x83,&c);
291 c &= 0x7f;
292 pci_write_config_byte(dev, 0x83, c);
293
294 pci_read_config_byte(dev,0x84,&c);
295 c |= 0x01;
296 pci_write_config_byte(dev, 0x84, c);
297}
298
299static void __devinit quirk_uli5229(struct pci_dev *dev)
300{
301 unsigned short temp;
302 pci_write_config_word(dev, 0x04, 0x0405);
303 dev->class &= ~0x5;
304 pci_read_config_word(dev, 0x4a, &temp);
305 temp |= 0x1000;
306 pci_write_config_word(dev, 0x4a, temp);
307}
308 126
309static void __devinit early_uli5249(struct pci_dev *dev) 127 return PCIBIOS_SUCCESSFUL;
310{
311 unsigned char temp;
312 pci_write_config_word(dev, 0x04, 0x0007);
313 pci_read_config_byte(dev, 0x7c, &temp);
314 pci_write_config_byte(dev, 0x7c, 0x80);
315 pci_write_config_byte(dev, 0x09, 0x01);
316 pci_write_config_byte(dev, 0x7c, temp);
317 dev->class |= 0x1;
318} 128}
319
320DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x1575, quirk_uli1575);
321DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x5288, quirk_uli5288);
322DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x5229, quirk_uli5229);
323DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AL, 0x5249, early_uli5249);
324#endif /* CONFIG_PCI */ 129#endif /* CONFIG_PCI */
325 130
326 131
@@ -353,6 +158,9 @@ mpc86xx_hpcn_setup_arch(void)
353 else 158 else
354 fsl_add_bridge(np, 0); 159 fsl_add_bridge(np, 0);
355 } 160 }
161 uses_fsl_uli_m1575 = 1;
162 ppc_md.pci_exclude_device = mpc86xx_exclude_device;
163
356#endif 164#endif
357 165
358 printk("MPC86xx HPCN board from Freescale Semiconductor\n"); 166 printk("MPC86xx HPCN board from Freescale Semiconductor\n");
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-24 21:17:50 -0500