1 /*
2  * Copyright 2007 Freescale Semiconductor, Inc.
3  *
4  * See file CREDITS for list of people who contributed to this
5  * project.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License as
9  * published by the Free Software Foundation; either version 2 of
10  * the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20  * MA 02111-1307 USA
21  */
22 
23 #include <common.h>
24 #include <command.h>
25 #include <pci.h>
26 #include <asm/processor.h>
27 #include <asm/immap_86xx.h>
28 #include <asm/fsl_pci.h>
29 #include <asm/fsl_ddr_sdram.h>
30 #include <i2c.h>
31 #include <asm/io.h>
32 #include <libfdt.h>
33 #include <fdt_support.h>
34 #include <spd_sdram.h>
35 #include <netdev.h>
36 
37 #include "../common/pixis.h"
38 
39 void sdram_init(void);
40 phys_size_t fixed_sdram(void);
41 void mpc8610hpcd_diu_init(void);
42 
43 
44 /* called before any console output */
45 int board_early_init_f(void)
46 {
47 	volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
48 	volatile ccsr_gur_t *gur = &immap->im_gur;
49 
50 	gur->gpiocr |= 0x88aa5500; /* DIU16, IR1, UART0, UART2 */
51 
52 	return 0;
53 }
54 
55 int misc_init_r(void)
56 {
57 	u8 tmp_val, version;
58 	u8 *pixis_base = (u8 *)PIXIS_BASE;
59 
60 	/*Do not use 8259PIC*/
61 	tmp_val = in_8(pixis_base + PIXIS_BRDCFG0);
62 	out_8(pixis_base + PIXIS_BRDCFG0, tmp_val | 0x80);
63 
64 	/*For FPGA V7 or higher, set the IRQMAPSEL to 0 to use MAP0 interrupt*/
65 	version = in_8(pixis_base + PIXIS_PVER);
66 	if(version >= 0x07) {
67 		tmp_val = in_8(pixis_base + PIXIS_BRDCFG0);
68 		out_8(pixis_base + PIXIS_BRDCFG0, tmp_val & 0xbf);
69 	}
70 
71 	/* Using this for DIU init before the driver in linux takes over
72 	 *  Enable the TFP410 Encoder (I2C address 0x38)
73 	 */
74 
75 	tmp_val = 0xBF;
76 	i2c_write(0x38, 0x08, 1, &tmp_val, sizeof(tmp_val));
77 	/* Verify if enabled */
78 	tmp_val = 0;
79 	i2c_read(0x38, 0x08, 1, &tmp_val, sizeof(tmp_val));
80 	debug("DVI Encoder Read: 0x%02lx\n",tmp_val);
81 
82 	tmp_val = 0x10;
83 	i2c_write(0x38, 0x0A, 1, &tmp_val, sizeof(tmp_val));
84 	/* Verify if enabled */
85 	tmp_val = 0;
86 	i2c_read(0x38, 0x0A, 1, &tmp_val, sizeof(tmp_val));
87 	debug("DVI Encoder Read: 0x%02lx\n",tmp_val);
88 
89 #ifdef CONFIG_FSL_DIU_FB
90 	mpc8610hpcd_diu_init();
91 #endif
92 
93 	return 0;
94 }
95 
96 int checkboard(void)
97 {
98 	volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
99 	volatile ccsr_local_mcm_t *mcm = &immap->im_local_mcm;
100 	u8 *pixis_base = (u8 *)PIXIS_BASE;
101 
102 	printf ("Board: MPC8610HPCD, System ID: 0x%02x, "
103 		"System Version: 0x%02x, FPGA Version: 0x%02x\n",
104 		in_8(pixis_base + PIXIS_ID), in_8(pixis_base + PIXIS_VER),
105 		in_8(pixis_base + PIXIS_PVER));
106 
107 	mcm->abcr |= 0x00010000; /* 0 */
108 	mcm->hpmr3 = 0x80000008; /* 4c */
109 	mcm->hpmr0 = 0;
110 	mcm->hpmr1 = 0;
111 	mcm->hpmr2 = 0;
112 	mcm->hpmr4 = 0;
113 	mcm->hpmr5 = 0;
114 
115 	return 0;
116 }
117 
118 
119 phys_size_t
120 initdram(int board_type)
121 {
122 	phys_size_t dram_size = 0;
123 
124 #if defined(CONFIG_SPD_EEPROM)
125 	dram_size = fsl_ddr_sdram();
126 #else
127 	dram_size = fixed_sdram();
128 #endif
129 
130 #if defined(CONFIG_SYS_RAMBOOT)
131 	puts(" DDR: ");
132 	return dram_size;
133 #endif
134 
135 	puts(" DDR: ");
136 	return dram_size;
137 }
138 
139 
140 #if !defined(CONFIG_SPD_EEPROM)
141 /*
142  * Fixed sdram init -- doesn't use serial presence detect.
143  */
144 
145 phys_size_t fixed_sdram(void)
146 {
147 #if !defined(CONFIG_SYS_RAMBOOT)
148 	volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
149 	volatile ccsr_ddr_t *ddr = &immap->im_ddr1;
150 	uint d_init;
151 
152 	ddr->cs0_bnds = 0x0000001f;
153 	ddr->cs0_config = 0x80010202;
154 
155 	ddr->timing_cfg_3 = 0x00000000;
156 	ddr->timing_cfg_0 = 0x00260802;
157 	ddr->timing_cfg_1 = 0x3935d322;
158 	ddr->timing_cfg_2 = 0x14904cc8;
159 	ddr->sdram_mode = 0x00480432;
160 	ddr->sdram_mode_2 = 0x00000000;
161 	ddr->sdram_interval = 0x06180fff; /* 0x06180100; */
162 	ddr->sdram_data_init = 0xDEADBEEF;
163 	ddr->sdram_clk_cntl = 0x03800000;
164 	ddr->sdram_cfg_2 = 0x04400010;
165 
166 #if defined(CONFIG_DDR_ECC)
167 	ddr->err_int_en = 0x0000000d;
168 	ddr->err_disable = 0x00000000;
169 	ddr->err_sbe = 0x00010000;
170 #endif
171 	asm("sync;isync");
172 
173 	udelay(500);
174 
175 	ddr->sdram_cfg = 0xc3000000; /* 0xe3008000;*/
176 
177 
178 #if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
179 	d_init = 1;
180 	debug("DDR - 1st controller: memory initializing\n");
181 	/*
182 	 * Poll until memory is initialized.
183 	 * 512 Meg at 400 might hit this 200 times or so.
184 	 */
185 	while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0)
186 		udelay(1000);
187 
188 	debug("DDR: memory initialized\n\n");
189 	asm("sync; isync");
190 	udelay(500);
191 #endif
192 
193 	return 512 * 1024 * 1024;
194 #endif
195 	return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
196 }
197 
198 #endif
199 
200 #if defined(CONFIG_PCI)
201 /*
202  * Initialize PCI Devices, report devices found.
203  */
204 
205 #ifndef CONFIG_PCI_PNP
206 static struct pci_config_table pci_fsl86xxads_config_table[] = {
207 	{PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
208 	 PCI_IDSEL_NUMBER, PCI_ANY_ID,
209 	 pci_cfgfunc_config_device, {PCI_ENET0_IOADDR,
210 				 PCI_ENET0_MEMADDR,
211 				 PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER} },
212 	{}
213 };
214 #endif
215 
216 
217 static struct pci_controller pci1_hose = {
218 #ifndef CONFIG_PCI_PNP
219 config_table:pci_mpc86xxcts_config_table
220 #endif
221 };
222 #endif /* CONFIG_PCI */
223 
224 #ifdef CONFIG_PCIE1
225 static struct pci_controller pcie1_hose;
226 #endif
227 
228 #ifdef CONFIG_PCIE2
229 static struct pci_controller pcie2_hose;
230 #endif
231 
232 int first_free_busno = 0;
233 
234 void pci_init_board(void)
235 {
236 	volatile immap_t *immap = (immap_t *) CONFIG_SYS_CCSRBAR;
237 	volatile ccsr_gur_t *gur = &immap->im_gur;
238 	uint devdisr = gur->devdisr;
239 	uint io_sel = (gur->pordevsr & MPC8610_PORDEVSR_IO_SEL)
240 		>> MPC8610_PORDEVSR_IO_SEL_SHIFT;
241 	uint host_agent = (gur->porbmsr & MPC8610_PORBMSR_HA)
242 		>> MPC8610_PORBMSR_HA_SHIFT;
243 
244 	printf( " pci_init_board: devdisr=%x, io_sel=%x, host_agent=%x\n",
245 		devdisr, io_sel, host_agent);
246 
247 #ifdef CONFIG_PCIE1
248  {
249 	volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE1_ADDR;
250 	struct pci_controller *hose = &pcie1_hose;
251 	int pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_1, io_sel);
252 	int pcie_ep = is_fsl_pci_agent(LAW_TRGT_IF_PCIE_1, host_agent);
253 	struct pci_region *r = hose->regions;
254 
255 	if (pcie_configured && !(devdisr & MPC86xx_DEVDISR_PCIE1)) {
256 		printf(" PCIe 1 connected to Uli as %s (base address %x)\n",
257 			pcie_ep ? "End Point" : "Root Complex",
258 			(uint)pci);
259 		if (pci->pme_msg_det)
260 			pci->pme_msg_det = 0xffffffff;
261 
262 		/* outbound memory */
263 		pci_set_region(r++,
264 			 CONFIG_SYS_PCIE1_MEM_BUS,
265 			 CONFIG_SYS_PCIE1_MEM_PHYS,
266 			 CONFIG_SYS_PCIE1_MEM_SIZE,
267 			 PCI_REGION_MEM);
268 
269 		/* outbound io */
270 		pci_set_region(r++,
271 			 CONFIG_SYS_PCIE1_IO_BUS,
272 			 CONFIG_SYS_PCIE1_IO_PHYS,
273 			 CONFIG_SYS_PCIE1_IO_SIZE,
274 			 PCI_REGION_IO);
275 
276 		hose->region_count = r - hose->regions;
277 
278 		hose->first_busno = first_free_busno;
279 
280 		fsl_pci_init(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data);
281 
282 		first_free_busno = hose->last_busno + 1;
283 		printf(" PCI-Express 1 on bus %02x - %02x\n",
284 			hose->first_busno, hose->last_busno);
285 
286 	} else
287 		puts(" PCI-Express 1: Disabled\n");
288  }
289 #else
290 	puts("PCI-Express 1: Disabled\n");
291 #endif /* CONFIG_PCIE1 */
292 
293 
294 #ifdef CONFIG_PCIE2
295  {
296 	volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE2_ADDR;
297 	struct pci_controller *hose = &pcie2_hose;
298 	struct pci_region *r = hose->regions;
299 
300 	int pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_2, io_sel);
301 	int pcie_ep = is_fsl_pci_agent(LAW_TRGT_IF_PCIE_2, host_agent);
302 
303 	if (pcie_configured && !(devdisr & MPC86xx_DEVDISR_PCIE2)) {
304 		printf(" PCI-Express 2 connected to slot as %s" \
305 			" (base address %x)\n",
306 			pcie_ep ? "End Point" : "Root Complex",
307 			(uint)pci);
308 		if (pci->pme_msg_det)
309 			pci->pme_msg_det = 0xffffffff;
310 
311 		/* outbound memory */
312 		pci_set_region(r++,
313 			 CONFIG_SYS_PCIE2_MEM_BUS,
314 			 CONFIG_SYS_PCIE2_MEM_PHYS,
315 			 CONFIG_SYS_PCIE2_MEM_SIZE,
316 			 PCI_REGION_MEM);
317 
318 		/* outbound io */
319 		pci_set_region(r++,
320 			 CONFIG_SYS_PCIE2_IO_BUS,
321 			 CONFIG_SYS_PCIE2_IO_PHYS,
322 			 CONFIG_SYS_PCIE2_IO_SIZE,
323 			 PCI_REGION_IO);
324 
325 		hose->region_count = r - hose->regions;
326 
327 		hose->first_busno = first_free_busno;
328 
329 		fsl_pci_init(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data);
330 
331 		first_free_busno = hose->last_busno + 1;
332 		printf(" PCI-Express 2 on bus %02x - %02x\n",
333 			hose->first_busno, hose->last_busno);
334 	} else
335 		puts(" PCI-Express 2: Disabled\n");
336  }
337 #else
338 	puts("PCI-Express 2: Disabled\n");
339 #endif /* CONFIG_PCIE2 */
340 
341 
342 #ifdef CONFIG_PCI1
343  {
344 	volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCI1_ADDR;
345 	struct pci_controller *hose = &pci1_hose;
346 	int pci_agent = is_fsl_pci_agent(LAW_TRGT_IF_PCI_1, host_agent);
347 	struct pci_region *r = hose->regions;
348 
349 	if ( !(devdisr & MPC86xx_DEVDISR_PCI1)) {
350 		printf(" PCI connected to PCI slots as %s" \
351 			" (base address %x)\n",
352 			pci_agent ? "Agent" : "Host",
353 			(uint)pci);
354 
355 		/* outbound memory */
356 		pci_set_region(r++,
357 			 CONFIG_SYS_PCI1_MEM_BUS,
358 			 CONFIG_SYS_PCI1_MEM_PHYS,
359 			 CONFIG_SYS_PCI1_MEM_SIZE,
360 			 PCI_REGION_MEM);
361 
362 		/* outbound io */
363 		pci_set_region(r++,
364 			 CONFIG_SYS_PCI1_IO_BUS,
365 			 CONFIG_SYS_PCI1_IO_PHYS,
366 			 CONFIG_SYS_PCI1_IO_SIZE,
367 			 PCI_REGION_IO);
368 
369 		hose->region_count = r - hose->regions;
370 
371 		hose->first_busno = first_free_busno;
372 
373 		fsl_pci_init(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data);
374 
375 		first_free_busno = hose->last_busno + 1;
376 		printf(" PCI on bus %02x - %02x\n",
377 			hose->first_busno, hose->last_busno);
378 
379 
380 	} else
381 		puts(" PCI: Disabled\n");
382  }
383 #endif /* CONFIG_PCI1 */
384 }
385 
386 #if defined(CONFIG_OF_BOARD_SETUP)
387 void
388 ft_board_setup(void *blob, bd_t *bd)
389 {
390 	ft_cpu_setup(blob, bd);
391 
392 #ifdef CONFIG_PCI1
393 	ft_fsl_pci_setup(blob, "pci0", &pci1_hose);
394 #endif
395 #ifdef CONFIG_PCIE1
396 	ft_fsl_pci_setup(blob, "pci1", &pcie1_hose);
397 #endif
398 #ifdef CONFIG_PCIE2
399 	ft_fsl_pci_setup(blob, "pci2", &pcie2_hose);
400 #endif
401 }
402 #endif
403 
404 /*
405  * get_board_sys_clk
406  * Reads the FPGA on board for CONFIG_SYS_CLK_FREQ
407  */
408 
409 unsigned long
410 get_board_sys_clk(ulong dummy)
411 {
412 	u8 i;
413 	ulong val = 0;
414 	u8 *pixis_base = (u8 *)PIXIS_BASE;
415 
416 	i = in_8(pixis_base + PIXIS_SPD);
417 	i &= 0x07;
418 
419 	switch (i) {
420 	case 0:
421 		val = 33333000;
422 		break;
423 	case 1:
424 		val = 39999600;
425 		break;
426 	case 2:
427 		val = 49999500;
428 		break;
429 	case 3:
430 		val = 66666000;
431 		break;
432 	case 4:
433 		val = 83332500;
434 		break;
435 	case 5:
436 		val = 99999000;
437 		break;
438 	case 6:
439 		val = 133332000;
440 		break;
441 	case 7:
442 		val = 166665000;
443 		break;
444 	}
445 
446 	return val;
447 }
448 
449 int board_eth_init(bd_t *bis)
450 {
451 	return pci_eth_init(bis);
452 }
453 
454 void board_reset(void)
455 {
456 	u8 *pixis_base = (u8 *)PIXIS_BASE;
457 
458 	out_8(pixis_base + PIXIS_RST, 0);
459 
460 	while (1)
461 		;
462 }
463