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Diffstat (limited to 'arch/powerpc/platforms/8xx/mpc885ads_setup.c')
-rw-r--r--arch/powerpc/platforms/8xx/mpc885ads_setup.c450
1 files changed, 152 insertions, 298 deletions
diff --git a/arch/powerpc/platforms/8xx/mpc885ads_setup.c b/arch/powerpc/platforms/8xx/mpc885ads_setup.c
index bad08683f7ae..2cf1b6a75173 100644
--- a/arch/powerpc/platforms/8xx/mpc885ads_setup.c
+++ b/arch/powerpc/platforms/8xx/mpc885ads_setup.c
@@ -1,11 +1,13 @@
1/*arch/powerpc/platforms/8xx/mpc885ads_setup.c 1/*
2 *
3 * Platform setup for the Freescale mpc885ads board 2 * Platform setup for the Freescale mpc885ads board
4 * 3 *
5 * Vitaly Bordug <vbordug@ru.mvista.com> 4 * Vitaly Bordug <vbordug@ru.mvista.com>
6 * 5 *
7 * Copyright 2005 MontaVista Software Inc. 6 * Copyright 2005 MontaVista Software Inc.
8 * 7 *
8 * Heavily modified by Scott Wood <scottwood@freescale.com>
9 * Copyright 2007 Freescale Semiconductor, Inc.
10 *
9 * This file is licensed under the terms of the GNU General Public License 11 * This file is licensed under the terms of the GNU General Public License
10 * version 2. This program is licensed "as is" without any warranty of any 12 * version 2. This program is licensed "as is" without any warranty of any
11 * kind, whether express or implied. 13 * kind, whether express or implied.
@@ -18,12 +20,12 @@
18#include <linux/ioport.h> 20#include <linux/ioport.h>
19#include <linux/device.h> 21#include <linux/device.h>
20#include <linux/delay.h> 22#include <linux/delay.h>
21#include <linux/root_dev.h>
22 23
23#include <linux/fs_enet_pd.h> 24#include <linux/fs_enet_pd.h>
24#include <linux/fs_uart_pd.h> 25#include <linux/fs_uart_pd.h>
25#include <linux/fsl_devices.h> 26#include <linux/fsl_devices.h>
26#include <linux/mii.h> 27#include <linux/mii.h>
28#include <linux/of_platform.h>
27 29
28#include <asm/delay.h> 30#include <asm/delay.h>
29#include <asm/io.h> 31#include <asm/io.h>
@@ -36,34 +38,24 @@
36#include <asm/8xx_immap.h> 38#include <asm/8xx_immap.h>
37#include <asm/commproc.h> 39#include <asm/commproc.h>
38#include <asm/fs_pd.h> 40#include <asm/fs_pd.h>
39#include <asm/prom.h> 41#include <asm/udbg.h>
40 42
41#include <sysdev/commproc.h> 43#include <sysdev/commproc.h>
42 44
43static void init_smc1_uart_ioports(struct fs_uart_platform_info *fpi); 45static u32 __iomem *bcsr, *bcsr5;
44static void init_smc2_uart_ioports(struct fs_uart_platform_info *fpi);
45static void init_scc3_ioports(struct fs_platform_info *ptr);
46 46
47#ifdef CONFIG_PCMCIA_M8XX 47#ifdef CONFIG_PCMCIA_M8XX
48static void pcmcia_hw_setup(int slot, int enable) 48static void pcmcia_hw_setup(int slot, int enable)
49{ 49{
50 unsigned *bcsr_io;
51
52 bcsr_io = ioremap(BCSR1, sizeof(unsigned long));
53 if (enable) 50 if (enable)
54 clrbits32(bcsr_io, BCSR1_PCCEN); 51 clrbits32(&bcsr[1], BCSR1_PCCEN);
55 else 52 else
56 setbits32(bcsr_io, BCSR1_PCCEN); 53 setbits32(&bcsr[1], BCSR1_PCCEN);
57
58 iounmap(bcsr_io);
59} 54}
60 55
61static int pcmcia_set_voltage(int slot, int vcc, int vpp) 56static int pcmcia_set_voltage(int slot, int vcc, int vpp)
62{ 57{
63 u32 reg = 0; 58 u32 reg = 0;
64 unsigned *bcsr_io;
65
66 bcsr_io = ioremap(BCSR1, sizeof(unsigned long));
67 59
68 switch (vcc) { 60 switch (vcc) {
69 case 0: 61 case 0:
@@ -98,334 +90,196 @@ static int pcmcia_set_voltage(int slot, int vcc, int vpp)
98 } 90 }
99 91
100 /* first, turn off all power */ 92 /* first, turn off all power */
101 clrbits32(bcsr_io, 0x00610000); 93 clrbits32(&bcsr[1], 0x00610000);
102 94
103 /* enable new powersettings */ 95 /* enable new powersettings */
104 setbits32(bcsr_io, reg); 96 setbits32(&bcsr[1], reg);
105 97
106 iounmap(bcsr_io);
107 return 0; 98 return 0;
108} 99}
109#endif 100#endif
110 101
111void __init mpc885ads_board_setup(void) 102struct cpm_pin {
112{ 103 int port, pin, flags;
113 cpm8xx_t *cp; 104};
114 unsigned int *bcsr_io;
115 u8 tmpval8;
116
117#ifdef CONFIG_FS_ENET
118 iop8xx_t *io_port;
119#endif
120
121 bcsr_io = ioremap(BCSR1, sizeof(unsigned long));
122 cp = (cpm8xx_t *) immr_map(im_cpm);
123
124 if (bcsr_io == NULL) {
125 printk(KERN_CRIT "Could not remap BCSR\n");
126 return;
127 }
128#ifdef CONFIG_SERIAL_CPM_SMC1
129 clrbits32(bcsr_io, BCSR1_RS232EN_1);
130 clrbits32(&cp->cp_simode, 0xe0000000 >> 17); /* brg1 */
131 tmpval8 = in_8(&(cp->cp_smc[0].smc_smcm)) | (SMCM_RX | SMCM_TX);
132 out_8(&(cp->cp_smc[0].smc_smcm), tmpval8);
133 clrbits16(&cp->cp_smc[0].smc_smcmr, SMCMR_REN | SMCMR_TEN); /* brg1 */
134#else
135 setbits32(bcsr_io, BCSR1_RS232EN_1);
136 out_be16(&cp->cp_smc[0].smc_smcmr, 0);
137 out_8(&cp->cp_smc[0].smc_smce, 0);
138#endif
139
140#ifdef CONFIG_SERIAL_CPM_SMC2
141 clrbits32(bcsr_io, BCSR1_RS232EN_2);
142 clrbits32(&cp->cp_simode, 0xe0000000 >> 1);
143 setbits32(&cp->cp_simode, 0x20000000 >> 1); /* brg2 */
144 tmpval8 = in_8(&(cp->cp_smc[1].smc_smcm)) | (SMCM_RX | SMCM_TX);
145 out_8(&(cp->cp_smc[1].smc_smcm), tmpval8);
146 clrbits16(&cp->cp_smc[1].smc_smcmr, SMCMR_REN | SMCMR_TEN);
147
148 init_smc2_uart_ioports(0);
149#else
150 setbits32(bcsr_io, BCSR1_RS232EN_2);
151 out_be16(&cp->cp_smc[1].smc_smcmr, 0);
152 out_8(&cp->cp_smc[1].smc_smce, 0);
153#endif
154 immr_unmap(cp);
155 iounmap(bcsr_io);
156
157#ifdef CONFIG_FS_ENET
158 /* use MDC for MII (common) */
159 io_port = (iop8xx_t *) immr_map(im_ioport);
160 setbits16(&io_port->iop_pdpar, 0x0080);
161 clrbits16(&io_port->iop_pddir, 0x0080);
162
163 bcsr_io = ioremap(BCSR5, sizeof(unsigned long));
164 clrbits32(bcsr_io, BCSR5_MII1_EN);
165 clrbits32(bcsr_io, BCSR5_MII1_RST);
166#ifndef CONFIG_FC_ENET_HAS_SCC
167 clrbits32(bcsr_io, BCSR5_MII2_EN);
168 clrbits32(bcsr_io, BCSR5_MII2_RST);
169 105
170#endif 106static struct cpm_pin mpc885ads_pins[] = {
171 iounmap(bcsr_io); 107 /* SMC1 */
172 immr_unmap(io_port); 108 {CPM_PORTB, 24, CPM_PIN_INPUT}, /* RX */
109 {CPM_PORTB, 25, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* TX */
173 110
111 /* SMC2 */
112#ifndef CONFIG_MPC8xx_SECOND_ETH_FEC2
113 {CPM_PORTE, 21, CPM_PIN_INPUT}, /* RX */
114 {CPM_PORTE, 20, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* TX */
174#endif 115#endif
175 116
176#ifdef CONFIG_PCMCIA_M8XX 117 /* SCC3 */
177 /*Set up board specific hook-ups */ 118 {CPM_PORTA, 9, CPM_PIN_INPUT}, /* RX */
178 m8xx_pcmcia_ops.hw_ctrl = pcmcia_hw_setup; 119 {CPM_PORTA, 8, CPM_PIN_INPUT}, /* TX */
179 m8xx_pcmcia_ops.voltage_set = pcmcia_set_voltage; 120 {CPM_PORTC, 4, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_GPIO}, /* RENA */
121 {CPM_PORTC, 5, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_GPIO}, /* CLSN */
122 {CPM_PORTE, 27, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* TENA */
123 {CPM_PORTE, 17, CPM_PIN_INPUT}, /* CLK5 */
124 {CPM_PORTE, 16, CPM_PIN_INPUT}, /* CLK6 */
125
126 /* MII1 */
127 {CPM_PORTA, 0, CPM_PIN_INPUT},
128 {CPM_PORTA, 1, CPM_PIN_INPUT},
129 {CPM_PORTA, 2, CPM_PIN_INPUT},
130 {CPM_PORTA, 3, CPM_PIN_INPUT},
131 {CPM_PORTA, 4, CPM_PIN_OUTPUT},
132 {CPM_PORTA, 10, CPM_PIN_OUTPUT},
133 {CPM_PORTA, 11, CPM_PIN_OUTPUT},
134 {CPM_PORTB, 19, CPM_PIN_INPUT},
135 {CPM_PORTB, 31, CPM_PIN_INPUT},
136 {CPM_PORTC, 12, CPM_PIN_INPUT},
137 {CPM_PORTC, 13, CPM_PIN_INPUT},
138 {CPM_PORTE, 30, CPM_PIN_OUTPUT},
139 {CPM_PORTE, 31, CPM_PIN_OUTPUT},
140
141 /* MII2 */
142#ifdef CONFIG_MPC8xx_SECOND_ETH_FEC2
143 {CPM_PORTE, 14, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},
144 {CPM_PORTE, 15, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},
145 {CPM_PORTE, 16, CPM_PIN_OUTPUT},
146 {CPM_PORTE, 17, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},
147 {CPM_PORTE, 18, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},
148 {CPM_PORTE, 19, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},
149 {CPM_PORTE, 20, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},
150 {CPM_PORTE, 21, CPM_PIN_OUTPUT},
151 {CPM_PORTE, 22, CPM_PIN_OUTPUT},
152 {CPM_PORTE, 23, CPM_PIN_OUTPUT},
153 {CPM_PORTE, 24, CPM_PIN_OUTPUT},
154 {CPM_PORTE, 25, CPM_PIN_OUTPUT},
155 {CPM_PORTE, 26, CPM_PIN_OUTPUT},
156 {CPM_PORTE, 27, CPM_PIN_OUTPUT},
157 {CPM_PORTE, 28, CPM_PIN_OUTPUT},
158 {CPM_PORTE, 29, CPM_PIN_OUTPUT},
180#endif 159#endif
181} 160};
182 161
183static void init_fec1_ioports(struct fs_platform_info *ptr) 162static void __init init_ioports(void)
184{ 163{
185 cpm8xx_t *cp = (cpm8xx_t *) immr_map(im_cpm); 164 int i;
186 iop8xx_t *io_port = (iop8xx_t *) immr_map(im_ioport);
187
188 /* configure FEC1 pins */
189 setbits16(&io_port->iop_papar, 0xf830);
190 setbits16(&io_port->iop_padir, 0x0830);
191 clrbits16(&io_port->iop_padir, 0xf000);
192
193 setbits32(&cp->cp_pbpar, 0x00001001);
194 clrbits32(&cp->cp_pbdir, 0x00001001);
195 165
196 setbits16(&io_port->iop_pcpar, 0x000c); 166 for (i = 0; i < ARRAY_SIZE(mpc885ads_pins); i++) {
197 clrbits16(&io_port->iop_pcdir, 0x000c); 167 struct cpm_pin *pin = &mpc885ads_pins[i];
168 cpm1_set_pin(pin->port, pin->pin, pin->flags);
169 }
198 170
199 setbits32(&cp->cp_pepar, 0x00000003); 171 cpm1_clk_setup(CPM_CLK_SMC1, CPM_BRG1, CPM_CLK_RTX);
200 setbits32(&cp->cp_pedir, 0x00000003); 172 cpm1_clk_setup(CPM_CLK_SMC2, CPM_BRG2, CPM_CLK_RTX);
201 clrbits32(&cp->cp_peso, 0x00000003); 173 cpm1_clk_setup(CPM_CLK_SCC3, CPM_CLK5, CPM_CLK_TX);
202 clrbits32(&cp->cp_cptr, 0x00000100); 174 cpm1_clk_setup(CPM_CLK_SCC3, CPM_CLK6, CPM_CLK_RX);
203 175
204 immr_unmap(io_port); 176 /* Set FEC1 and FEC2 to MII mode */
205 immr_unmap(cp); 177 clrbits32(&mpc8xx_immr->im_cpm.cp_cptr, 0x00000180);
206} 178}
207 179
208static void init_fec2_ioports(struct fs_platform_info *ptr) 180static void __init mpc885ads_setup_arch(void)
209{ 181{
210 cpm8xx_t *cp = (cpm8xx_t *) immr_map(im_cpm); 182 struct device_node *np;
211 iop8xx_t *io_port = (iop8xx_t *) immr_map(im_ioport);
212
213 /* configure FEC2 pins */
214 setbits32(&cp->cp_pepar, 0x0003fffc);
215 setbits32(&cp->cp_pedir, 0x0003fffc);
216 clrbits32(&cp->cp_peso, 0x000087fc);
217 setbits32(&cp->cp_peso, 0x00037800);
218 clrbits32(&cp->cp_cptr, 0x00000080);
219
220 immr_unmap(io_port);
221 immr_unmap(cp);
222}
223 183
224void init_fec_ioports(struct fs_platform_info *fpi) 184 cpm_reset();
225{ 185 init_ioports();
226 int fec_no = fs_get_fec_index(fpi->fs_no);
227 186
228 switch (fec_no) { 187 np = of_find_compatible_node(NULL, NULL, "fsl,mpc885ads-bcsr");
229 case 0: 188 if (!np) {
230 init_fec1_ioports(fpi); 189 printk(KERN_CRIT "Could not find fsl,mpc885ads-bcsr node\n");
231 break;
232 case 1:
233 init_fec2_ioports(fpi);
234 break;
235 default:
236 printk(KERN_ERR "init_fec_ioports: invalid FEC number\n");
237 return; 190 return;
238 } 191 }
239}
240 192
241static void init_scc3_ioports(struct fs_platform_info *fpi) 193 bcsr = of_iomap(np, 0);
242{ 194 bcsr5 = of_iomap(np, 1);
243 unsigned *bcsr_io; 195 of_node_put(np);
244 iop8xx_t *io_port;
245 cpm8xx_t *cp;
246 196
247 bcsr_io = ioremap(BCSR_ADDR, BCSR_SIZE); 197 if (!bcsr || !bcsr5) {
248 io_port = (iop8xx_t *) immr_map(im_ioport);
249 cp = (cpm8xx_t *) immr_map(im_cpm);
250
251 if (bcsr_io == NULL) {
252 printk(KERN_CRIT "Could not remap BCSR\n"); 198 printk(KERN_CRIT "Could not remap BCSR\n");
253 return; 199 return;
254 } 200 }
255 201
256 /* Enable the PHY. 202 clrbits32(&bcsr[1], BCSR1_RS232EN_1);
257 */ 203#ifdef CONFIG_MPC8xx_SECOND_ETH_FEC2
258 clrbits32(bcsr_io + 4, BCSR4_ETH10_RST); 204 setbits32(&bcsr[1], BCSR1_RS232EN_2);
259 udelay(1000); 205#else
260 setbits32(bcsr_io + 4, BCSR4_ETH10_RST); 206 clrbits32(&bcsr[1], BCSR1_RS232EN_2);
261 /* Configure port A pins for Txd and Rxd. 207#endif
262 */
263 setbits16(&io_port->iop_papar, PA_ENET_RXD | PA_ENET_TXD);
264 clrbits16(&io_port->iop_padir, PA_ENET_RXD | PA_ENET_TXD);
265 208
266 /* Configure port C pins to enable CLSN and RENA. 209 clrbits32(bcsr5, BCSR5_MII1_EN);
267 */ 210 setbits32(bcsr5, BCSR5_MII1_RST);
268 clrbits16(&io_port->iop_pcpar, PC_ENET_CLSN | PC_ENET_RENA); 211 udelay(1000);
269 clrbits16(&io_port->iop_pcdir, PC_ENET_CLSN | PC_ENET_RENA); 212 clrbits32(bcsr5, BCSR5_MII1_RST);
270 setbits16(&io_port->iop_pcso, PC_ENET_CLSN | PC_ENET_RENA);
271 213
272 /* Configure port E for TCLK and RCLK. 214#ifdef CONFIG_MPC8xx_SECOND_ETH_FEC2
273 */ 215 clrbits32(bcsr5, BCSR5_MII2_EN);
274 setbits32(&cp->cp_pepar, PE_ENET_TCLK | PE_ENET_RCLK); 216 setbits32(bcsr5, BCSR5_MII2_RST);
275 clrbits32(&cp->cp_pepar, PE_ENET_TENA); 217 udelay(1000);
276 clrbits32(&cp->cp_pedir, PE_ENET_TCLK | PE_ENET_RCLK | PE_ENET_TENA); 218 clrbits32(bcsr5, BCSR5_MII2_RST);
277 clrbits32(&cp->cp_peso, PE_ENET_TCLK | PE_ENET_RCLK); 219#else
278 setbits32(&cp->cp_peso, PE_ENET_TENA); 220 setbits32(bcsr5, BCSR5_MII2_EN);
279 221#endif
280 /* Configure Serial Interface clock routing.
281 * First, clear all SCC bits to zero, then set the ones we want.
282 */
283 clrbits32(&cp->cp_sicr, SICR_ENET_MASK);
284 setbits32(&cp->cp_sicr, SICR_ENET_CLKRT);
285 222
286 /* Disable Rx and Tx. SMC1 sshould be stopped if SCC3 eternet are used. 223#ifdef CONFIG_MPC8xx_SECOND_ETH_SCC3
287 */ 224 clrbits32(&bcsr[4], BCSR4_ETH10_RST);
288 clrbits16(&cp->cp_smc[0].smc_smcmr, SMCMR_REN | SMCMR_TEN); 225 udelay(1000);
289 /* On the MPC885ADS SCC ethernet PHY is initialized in the full duplex mode 226 setbits32(&bcsr[4], BCSR4_ETH10_RST);
290 * by H/W setting after reset. SCC ethernet controller support only half duplex.
291 * This discrepancy of modes causes a lot of carrier lost errors.
292 */
293 227
294 /* In the original SCC enet driver the following code is placed at 228 setbits32(&bcsr[1], BCSR1_ETHEN);
295 the end of the initialization */
296 setbits32(&cp->cp_pepar, PE_ENET_TENA);
297 clrbits32(&cp->cp_pedir, PE_ENET_TENA);
298 setbits32(&cp->cp_peso, PE_ENET_TENA);
299 229
300 setbits32(bcsr_io + 4, BCSR1_ETHEN); 230 np = of_find_node_by_path("/soc@ff000000/cpm@9c0/serial@a80");
301 iounmap(bcsr_io); 231#else
302 immr_unmap(io_port); 232 np = of_find_node_by_path("/soc@ff000000/cpm@9c0/ethernet@a40");
303 immr_unmap(cp); 233#endif
304}
305 234
306void init_scc_ioports(struct fs_platform_info *fpi) 235 /* The SCC3 enet registers overlap the SMC1 registers, so
307{ 236 * one of the two must be removed from the device tree.
308 int scc_no = fs_get_scc_index(fpi->fs_no); 237 */
309 238
310 switch (scc_no) { 239 if (np) {
311 case 2: 240 of_detach_node(np);
312 init_scc3_ioports(fpi); 241 of_node_put(np);
313 break;
314 default:
315 printk(KERN_ERR "init_scc_ioports: invalid SCC number\n");
316 return;
317 } 242 }
318}
319
320static void init_smc1_uart_ioports(struct fs_uart_platform_info *ptr)
321{
322 unsigned *bcsr_io;
323 cpm8xx_t *cp;
324
325 cp = (cpm8xx_t *) immr_map(im_cpm);
326 setbits32(&cp->cp_pepar, 0x000000c0);
327 clrbits32(&cp->cp_pedir, 0x000000c0);
328 clrbits32(&cp->cp_peso, 0x00000040);
329 setbits32(&cp->cp_peso, 0x00000080);
330 immr_unmap(cp);
331
332 bcsr_io = ioremap(BCSR1, sizeof(unsigned long));
333 243
334 if (bcsr_io == NULL) { 244#ifdef CONFIG_PCMCIA_M8XX
335 printk(KERN_CRIT "Could not remap BCSR1\n"); 245 /* Set up board specific hook-ups.*/
336 return; 246 m8xx_pcmcia_ops.hw_ctrl = pcmcia_hw_setup;
337 } 247 m8xx_pcmcia_ops.voltage_set = pcmcia_set_voltage;
338 clrbits32(bcsr_io, BCSR1_RS232EN_1); 248#endif
339 iounmap(bcsr_io);
340} 249}
341 250
342static void init_smc2_uart_ioports(struct fs_uart_platform_info *fpi) 251static int __init mpc885ads_probe(void)
343{ 252{
344 unsigned *bcsr_io; 253 unsigned long root = of_get_flat_dt_root();
345 cpm8xx_t *cp; 254 return of_flat_dt_is_compatible(root, "fsl,mpc885ads");
346
347 cp = (cpm8xx_t *) immr_map(im_cpm);
348 setbits32(&cp->cp_pepar, 0x00000c00);
349 clrbits32(&cp->cp_pedir, 0x00000c00);
350 clrbits32(&cp->cp_peso, 0x00000400);
351 setbits32(&cp->cp_peso, 0x00000800);
352 immr_unmap(cp);
353
354 bcsr_io = ioremap(BCSR1, sizeof(unsigned long));
355
356 if (bcsr_io == NULL) {
357 printk(KERN_CRIT "Could not remap BCSR1\n");
358 return;
359 }
360 clrbits32(bcsr_io, BCSR1_RS232EN_2);
361 iounmap(bcsr_io);
362} 255}
363 256
364void init_smc_ioports(struct fs_uart_platform_info *data) 257static struct of_device_id __initdata of_bus_ids[] = {
365{ 258 { .name = "soc", },
366 int smc_no = fs_uart_id_fsid2smc(data->fs_no); 259 { .name = "cpm", },
367 260 { .name = "localbus", },
368 switch (smc_no) { 261 {},
369 case 0: 262};
370 init_smc1_uart_ioports(data);
371 data->brg = data->clk_rx;
372 break;
373 case 1:
374 init_smc2_uart_ioports(data);
375 data->brg = data->clk_rx;
376 break;
377 default:
378 printk(KERN_ERR "init_scc_ioports: invalid SCC number\n");
379 return;
380 }
381}
382 263
383int platform_device_skip(const char *model, int id) 264static int __init declare_of_platform_devices(void)
384{ 265{
385#ifdef CONFIG_MPC8xx_SECOND_ETH_SCC3 266 /* Publish the QE devices */
386 const char *dev = "FEC"; 267 if (machine_is(mpc885_ads))
387 int n = 2; 268 of_platform_bus_probe(NULL, of_bus_ids, NULL);
388#else
389 const char *dev = "SCC";
390 int n = 3;
391#endif
392
393 if (!strcmp(model, dev) && n == id)
394 return 1;
395 269
396 return 0; 270 return 0;
397} 271}
398 272device_initcall(declare_of_platform_devices);
399static void __init mpc885ads_setup_arch(void) 273
400{ 274define_machine(mpc885_ads) {
401 cpm_reset(); 275 .name = "Freescale MPC885 ADS",
402 276 .probe = mpc885ads_probe,
403 mpc885ads_board_setup(); 277 .setup_arch = mpc885ads_setup_arch,
404 278 .init_IRQ = m8xx_pic_init,
405 ROOT_DEV = Root_NFS; 279 .get_irq = mpc8xx_get_irq,
406} 280 .restart = mpc8xx_restart,
407 281 .calibrate_decr = mpc8xx_calibrate_decr,
408static int __init mpc885ads_probe(void) 282 .set_rtc_time = mpc8xx_set_rtc_time,
409{ 283 .get_rtc_time = mpc8xx_get_rtc_time,
410 char *model = of_get_flat_dt_prop(of_get_flat_dt_root(), 284 .progress = udbg_progress,
411 "model", NULL);
412 if (model == NULL)
413 return 0;
414 if (strcmp(model, "MPC885ADS"))
415 return 0;
416
417 return 1;
418}
419
420define_machine(mpc885_ads)
421{
422 .name = "MPC885 ADS",
423 .probe = mpc885ads_probe,
424 .setup_arch = mpc885ads_setup_arch,
425 .init_IRQ = m8xx_pic_init,
426 .get_irq = mpc8xx_get_irq,
427 .restart = mpc8xx_restart,
428 .calibrate_decr = mpc8xx_calibrate_decr,
429 .set_rtc_time = mpc8xx_set_rtc_time,
430 .get_rtc_time = mpc8xx_get_rtc_time,
431}; 285};