1 /*
2  * Copyright 2008-2010 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/mmu.h>
28 #include <asm/cache.h>
29 #include <asm/immap_85xx.h>
30 #include <asm/fsl_pci.h>
31 #include <asm/fsl_ddr_sdram.h>
32 #include <asm/io.h>
33 #include <asm/fsl_serdes.h>
34 #include <spd.h>
35 #include <miiphy.h>
36 #include <libfdt.h>
37 #include <spd_sdram.h>
38 #include <fdt_support.h>
39 #include <tsec.h>
40 #include <netdev.h>
41 #include <sata.h>
42 
43 #include "../common/sgmii_riser.h"
44 
45 phys_size_t fixed_sdram(void);
46 
47 int board_early_init_f (void)
48 {
49 #ifdef CONFIG_MMC
50 	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
51 
52 	setbits_be32(&gur->pmuxcr,
53 			(MPC85xx_PMUXCR_SD_DATA |
54 			 MPC85xx_PMUXCR_SDHC_CD |
55 			 MPC85xx_PMUXCR_SDHC_WP));
56 
57 #endif
58 	return 0;
59 }
60 
61 int checkboard (void)
62 {
63 	u8 vboot;
64 	u8 *pixis_base = (u8 *)PIXIS_BASE;
65 
66 	puts("Board: MPC8536DS ");
67 #ifdef CONFIG_PHYS_64BIT
68 	puts("(36-bit addrmap) ");
69 #endif
70 
71 	printf ("Sys ID: 0x%02x, "
72 		"Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ",
73 		in_8(pixis_base + PIXIS_ID), in_8(pixis_base + PIXIS_VER),
74 		in_8(pixis_base + PIXIS_PVER));
75 
76 	vboot = in_8(pixis_base + PIXIS_VBOOT);
77 	switch ((vboot & PIXIS_VBOOT_LBMAP) >> 5) {
78 		case PIXIS_VBOOT_LBMAP_NOR0:
79 			puts ("vBank: 0\n");
80 			break;
81 		case PIXIS_VBOOT_LBMAP_NOR1:
82 			puts ("vBank: 1\n");
83 			break;
84 		case PIXIS_VBOOT_LBMAP_NOR2:
85 			puts ("vBank: 2\n");
86 			break;
87 		case PIXIS_VBOOT_LBMAP_NOR3:
88 			puts ("vBank: 3\n");
89 			break;
90 		case PIXIS_VBOOT_LBMAP_PJET:
91 			puts ("Promjet\n");
92 			break;
93 		case PIXIS_VBOOT_LBMAP_NAND:
94 			puts ("NAND\n");
95 			break;
96 	}
97 
98 	return 0;
99 }
100 
101 phys_size_t
102 initdram(int board_type)
103 {
104 	phys_size_t dram_size = 0;
105 
106 	puts("Initializing....");
107 
108 #ifdef CONFIG_SPD_EEPROM
109 	dram_size = fsl_ddr_sdram();
110 #else
111 	dram_size = fixed_sdram();
112 #endif
113 	dram_size = setup_ddr_tlbs(dram_size / 0x100000);
114 	dram_size *= 0x100000;
115 
116 	puts("    DDR: ");
117 	return dram_size;
118 }
119 
120 #if !defined(CONFIG_SPD_EEPROM)
121 /*
122  * Fixed sdram init -- doesn't use serial presence detect.
123  */
124 
125 phys_size_t fixed_sdram (void)
126 {
127 	volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
128 	volatile ccsr_ddr_t *ddr= &immap->im_ddr;
129 	uint d_init;
130 
131 	ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS;
132 	ddr->cs0_config = CONFIG_SYS_DDR_CS0_CONFIG;
133 
134 	ddr->timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
135 	ddr->timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
136 	ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
137 	ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
138 	ddr->sdram_mode = CONFIG_SYS_DDR_MODE_1;
139 	ddr->sdram_mode_2 = CONFIG_SYS_DDR_MODE_2;
140 	ddr->sdram_interval = CONFIG_SYS_DDR_INTERVAL;
141 	ddr->sdram_data_init = CONFIG_SYS_DDR_DATA_INIT;
142 	ddr->sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL;
143 	ddr->sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL2;
144 
145 #if defined (CONFIG_DDR_ECC)
146 	ddr->err_int_en = CONFIG_SYS_DDR_ERR_INT_EN;
147 	ddr->err_disable = CONFIG_SYS_DDR_ERR_DIS;
148 	ddr->err_sbe = CONFIG_SYS_DDR_SBE;
149 #endif
150 	asm("sync;isync");
151 
152 	udelay(500);
153 
154 	ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL;
155 
156 #if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
157 	d_init = 1;
158 	debug("DDR - 1st controller: memory initializing\n");
159 	/*
160 	 * Poll until memory is initialized.
161 	 * 512 Meg at 400 might hit this 200 times or so.
162 	 */
163 	while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0) {
164 		udelay(1000);
165 	}
166 	debug("DDR: memory initialized\n\n");
167 	asm("sync; isync");
168 	udelay(500);
169 #endif
170 
171 	return 512 * 1024 * 1024;
172 }
173 
174 #endif
175 
176 #ifdef CONFIG_PCI1
177 static struct pci_controller pci1_hose;
178 #endif
179 
180 #ifdef CONFIG_PCIE1
181 static struct pci_controller pcie1_hose;
182 #endif
183 
184 #ifdef CONFIG_PCIE2
185 static struct pci_controller pcie2_hose;
186 #endif
187 
188 #ifdef CONFIG_PCIE3
189 static struct pci_controller pcie3_hose;
190 #endif
191 
192 #ifdef CONFIG_PCI
193 void pci_init_board(void)
194 {
195 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
196 	struct fsl_pci_info pci_info[4];
197 	u32 devdisr, pordevsr, io_sel, sdrs2_io_sel;
198 	u32 porpllsr, pci_agent, pci_speed, pci_32, pci_arb, pci_clk_sel;
199 	int first_free_busno = 0;
200 	int num = 0;
201 
202 	int pcie_ep, pcie_configured;
203 
204 	devdisr = in_be32(&gur->devdisr);
205 	pordevsr = in_be32(&gur->pordevsr);
206 	porpllsr = in_be32(&gur->porpllsr);
207 	io_sel = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
208 	sdrs2_io_sel = (pordevsr & MPC85xx_PORDEVSR_SRDS2_IO_SEL) >> 27;
209 
210 	debug("   pci_init_board: devdisr=%x, sdrs2_io_sel=%x, io_sel=%x\n",
211 		devdisr, sdrs2_io_sel, io_sel);
212 
213 	if (sdrs2_io_sel == 7)
214 		printf("    Serdes2 disalbed\n");
215 	else if (sdrs2_io_sel == 4) {
216 		printf("    eTSEC1 is in sgmii mode.\n");
217 		printf("    eTSEC3 is in sgmii mode.\n");
218 	} else if (sdrs2_io_sel == 6)
219 		printf("    eTSEC1 is in sgmii mode.\n");
220 
221 	puts("\n");
222 #ifdef CONFIG_PCIE3
223 	pcie_configured = is_serdes_configured(PCIE3);
224 
225 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE3)){
226 		set_next_law(CONFIG_SYS_PCIE3_MEM_PHYS, LAW_SIZE_512M,
227 				LAW_TRGT_IF_PCIE_3);
228 		set_next_law(CONFIG_SYS_PCIE3_IO_PHYS, LAW_SIZE_64K,
229 				LAW_TRGT_IF_PCIE_3);
230 		SET_STD_PCIE_INFO(pci_info[num], 3);
231 		pcie_ep = fsl_setup_hose(&pcie3_hose, pci_info[num].regs);
232 		printf ("    PCIE3 connected to Slot3 as %s (base address %lx)\n",
233 			pcie_ep ? "Endpoint" : "Root Complex",
234 			pci_info[num].regs);
235 		first_free_busno = fsl_pci_init_port(&pci_info[num++],
236 					&pcie3_hose, first_free_busno);
237 	} else {
238 		printf ("    PCIE3: disabled\n");
239 	}
240 
241 	puts("\n");
242 #else
243 	setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE3); /* disable */
244 #endif
245 
246 #ifdef CONFIG_PCIE1
247 	pcie_configured = is_serdes_configured(PCIE1);
248 
249 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
250 		set_next_law(CONFIG_SYS_PCIE1_MEM_PHYS, LAW_SIZE_128M,
251 				LAW_TRGT_IF_PCIE_1);
252 		set_next_law(CONFIG_SYS_PCIE1_IO_PHYS, LAW_SIZE_64K,
253 				LAW_TRGT_IF_PCIE_1);
254 		SET_STD_PCIE_INFO(pci_info[num], 1);
255 		pcie_ep = fsl_setup_hose(&pcie1_hose, pci_info[num].regs);
256 		printf ("    PCIE1 connected to Slot1 as %s (base address %lx)\n",
257 			pcie_ep ? "Endpoint" : "Root Complex",
258 			pci_info[num].regs);
259 		first_free_busno = fsl_pci_init_port(&pci_info[num++],
260 					&pcie1_hose, first_free_busno);
261 	} else {
262 		printf ("    PCIE1: disabled\n");
263 	}
264 
265 	puts("\n");
266 #else
267 	setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE); /* disable */
268 #endif
269 
270 #ifdef CONFIG_PCIE2
271 	pcie_configured = is_serdes_configured(PCIE2);
272 
273 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE2)){
274 		set_next_law(CONFIG_SYS_PCIE2_MEM_PHYS, LAW_SIZE_128M,
275 				LAW_TRGT_IF_PCIE_2);
276 		set_next_law(CONFIG_SYS_PCIE2_IO_PHYS, LAW_SIZE_64K,
277 				LAW_TRGT_IF_PCIE_2);
278 		SET_STD_PCIE_INFO(pci_info[num], 2);
279 		pcie_ep = fsl_setup_hose(&pcie2_hose, pci_info[num].regs);
280 		printf ("    PCIE2 connected to Slot 2 as %s (base address %lx)\n",
281 			pcie_ep ? "Endpoint" : "Root Complex",
282 			pci_info[num].regs);
283 		first_free_busno = fsl_pci_init_port(&pci_info[num++],
284 					&pcie2_hose, first_free_busno);
285 	} else {
286 		printf ("    PCIE2: disabled\n");
287 	}
288 
289 	puts("\n");
290 #else
291 	setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE2); /* disable */
292 #endif
293 
294 #ifdef CONFIG_PCI1
295 	pci_speed = 66666000;
296 	pci_32 = 1;
297 	pci_arb = pordevsr & MPC85xx_PORDEVSR_PCI1_ARB;
298 	pci_clk_sel = porpllsr & MPC85xx_PORDEVSR_PCI1_SPD;
299 
300 	if (!(devdisr & MPC85xx_DEVDISR_PCI1)) {
301 		set_next_law(CONFIG_SYS_PCI1_MEM_PHYS, LAW_SIZE_256M,
302 				LAW_TRGT_IF_PCI);
303 		set_next_law(CONFIG_SYS_PCI1_IO_PHYS, LAW_SIZE_64K,
304 				LAW_TRGT_IF_PCI);
305 		SET_STD_PCI_INFO(pci_info[num], 1);
306 		pci_agent = fsl_setup_hose(&pci1_hose, pci_info[num].regs);
307 		printf ("\n    PCI: %d bit, %s MHz, %s, %s, %s (base address %lx)\n",
308 			(pci_32) ? 32 : 64,
309 			(pci_speed == 33333000) ? "33" :
310 			(pci_speed == 66666000) ? "66" : "unknown",
311 			pci_clk_sel ? "sync" : "async",
312 			pci_agent ? "agent" : "host",
313 			pci_arb ? "arbiter" : "external-arbiter",
314 			pci_info[num].regs);
315 
316 		first_free_busno = fsl_pci_init_port(&pci_info[num++],
317 					&pci1_hose, first_free_busno);
318 	} else {
319 		printf ("    PCI: disabled\n");
320 	}
321 
322 	puts("\n");
323 #else
324 	setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCI1); /* disable */
325 #endif
326 }
327 #endif
328 
329 int board_early_init_r(void)
330 {
331 	const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
332 	const u8 flash_esel = find_tlb_idx((void *)flashbase, 1);
333 
334 	/*
335 	 * Remap Boot flash + PROMJET region to caching-inhibited
336 	 * so that flash can be erased properly.
337 	 */
338 
339 	/* Flush d-cache and invalidate i-cache of any FLASH data */
340 	flush_dcache();
341 	invalidate_icache();
342 
343 	/* invalidate existing TLB entry for flash + promjet */
344 	disable_tlb(flash_esel);
345 
346 	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,	/* tlb, epn, rpn */
347 		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,	/* perms, wimge */
348 		0, flash_esel, BOOKE_PAGESZ_256M, 1);	/* ts, esel, tsize, iprot */
349 
350 	return 0;
351 }
352 
353 int board_eth_init(bd_t *bis)
354 {
355 #ifdef CONFIG_TSEC_ENET
356 	struct tsec_info_struct tsec_info[2];
357 	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
358 	int num = 0;
359 	uint sdrs2_io_sel =
360 		(gur->pordevsr & MPC85xx_PORDEVSR_SRDS2_IO_SEL) >> 27;
361 
362 #ifdef CONFIG_TSEC1
363 	SET_STD_TSEC_INFO(tsec_info[num], 1);
364 	if ((sdrs2_io_sel == 4) || (sdrs2_io_sel == 6)) {
365 		tsec_info[num].phyaddr = 0;
366 		tsec_info[num].flags |= TSEC_SGMII;
367 	}
368 	num++;
369 #endif
370 #ifdef CONFIG_TSEC3
371 	SET_STD_TSEC_INFO(tsec_info[num], 3);
372 	if (sdrs2_io_sel == 4) {
373 		tsec_info[num].phyaddr = 1;
374 		tsec_info[num].flags |= TSEC_SGMII;
375 	}
376 	num++;
377 #endif
378 
379 	if (!num) {
380 		printf("No TSECs initialized\n");
381 		return 0;
382 	}
383 
384 #ifdef CONFIG_FSL_SGMII_RISER
385 	if ((sdrs2_io_sel == 4) || (sdrs2_io_sel == 6))
386 		fsl_sgmii_riser_init(tsec_info, num);
387 #endif
388 
389 	tsec_eth_init(bis, tsec_info, num);
390 #endif
391 	return pci_eth_init(bis);
392 }
393 
394 #if defined(CONFIG_OF_BOARD_SETUP)
395 void ft_board_setup(void *blob, bd_t *bd)
396 {
397 	ft_cpu_setup(blob, bd);
398 
399 	FT_FSL_PCI_SETUP;
400 
401 #ifdef CONFIG_FSL_SGMII_RISER
402 	fsl_sgmii_riser_fdt_fixup(blob);
403 #endif
404 }
405 #endif
406