1 /*
2  * Copyright 2009-2010 Freescale Semiconductor.
3  *
4  * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com>
5  *
6  * See file CREDITS for list of people who contributed to this
7  * project.
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License as
11  * published by the Free Software Foundation; either version 2 of
12  * the License, or (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22  * MA 02111-1307 USA
23  */
24 
25 #include <common.h>
26 #include <hwconfig.h>
27 #include <pci.h>
28 #include <asm/processor.h>
29 #include <asm/mmu.h>
30 #include <asm/cache.h>
31 #include <asm/immap_85xx.h>
32 #include <asm/fsl_pci.h>
33 #include <asm/fsl_ddr_sdram.h>
34 #include <asm/fsl_serdes.h>
35 #include <asm/io.h>
36 #include <spd_sdram.h>
37 #include <i2c.h>
38 #include <ioports.h>
39 #include <libfdt.h>
40 #include <fdt_support.h>
41 #include <fsl_esdhc.h>
42 
43 #include "bcsr.h"
44 #if defined(CONFIG_PQ_MDS_PIB)
45 #include "../common/pq-mds-pib.h"
46 #endif
47 
48 const qe_iop_conf_t qe_iop_conf_tab[] = {
49 	/* QE_MUX_MDC */
50 	{2,  31, 1, 0, 1}, /* QE_MUX_MDC               */
51 
52 	/* QE_MUX_MDIO */
53 	{2,  30, 3, 0, 2}, /* QE_MUX_MDIO              */
54 
55 #if defined(CONFIG_SYS_UCC_RGMII_MODE)
56 	/* UCC_1_RGMII */
57 	{2, 11, 2, 0, 1}, /* CLK12 */
58 	{0,  0, 1, 0, 3}, /* ENET1_TXD0_SER1_TXD0      */
59 	{0,  1, 1, 0, 3}, /* ENET1_TXD1_SER1_TXD1      */
60 	{0,  2, 1, 0, 1}, /* ENET1_TXD2_SER1_TXD2      */
61 	{0,  3, 1, 0, 2}, /* ENET1_TXD3_SER1_TXD3      */
62 	{0,  6, 2, 0, 3}, /* ENET1_RXD0_SER1_RXD0      */
63 	{0,  7, 2, 0, 1}, /* ENET1_RXD1_SER1_RXD1      */
64 	{0,  8, 2, 0, 2}, /* ENET1_RXD2_SER1_RXD2      */
65 	{0,  9, 2, 0, 2}, /* ENET1_RXD3_SER1_RXD3      */
66 	{0,  4, 1, 0, 2}, /* ENET1_TX_EN_SER1_RTS_B    */
67 	{0, 12, 2, 0, 3}, /* ENET1_RX_DV_SER1_CTS_B    */
68 	{2,  8, 2, 0, 1}, /* ENET1_GRXCLK              */
69 	{2, 20, 1, 0, 2}, /* ENET1_GTXCLK              */
70 
71 	/* UCC_2_RGMII */
72 	{2, 16, 2, 0, 3}, /* CLK17 */
73 	{0, 14, 1, 0, 2}, /* ENET2_TXD0_SER2_TXD0      */
74 	{0, 15, 1, 0, 2}, /* ENET2_TXD1_SER2_TXD1      */
75 	{0, 16, 1, 0, 1}, /* ENET2_TXD2_SER2_TXD2      */
76 	{0, 17, 1, 0, 1}, /* ENET2_TXD3_SER2_TXD3      */
77 	{0, 20, 2, 0, 2}, /* ENET2_RXD0_SER2_RXD0      */
78 	{0, 21, 2, 0, 1}, /* ENET2_RXD1_SER2_RXD1      */
79 	{0, 22, 2, 0, 1}, /* ENET2_RXD2_SER2_RXD2      */
80 	{0, 23, 2, 0, 1}, /* ENET2_RXD3_SER2_RXD3      */
81 	{0, 18, 1, 0, 2}, /* ENET2_TX_EN_SER2_RTS_B    */
82 	{0, 26, 2, 0, 3}, /* ENET2_RX_DV_SER2_CTS_B    */
83 	{2,  3, 2, 0, 1}, /* ENET2_GRXCLK              */
84 	{2,  2, 1, 0, 2}, /* ENET2_GTXCLK              */
85 
86 	/* UCC_3_RGMII */
87 	{2, 11, 2, 0, 1}, /* CLK12 */
88 	{0, 29, 1, 0, 2}, /* ENET3_TXD0_SER3_TXD0      */
89 	{0, 30, 1, 0, 3}, /* ENET3_TXD1_SER3_TXD1      */
90 	{0, 31, 1, 0, 2}, /* ENET3_TXD2_SER3_TXD2      */
91 	{1,  0, 1, 0, 3}, /* ENET3_TXD3_SER3_TXD3      */
92 	{1,  3, 2, 0, 3}, /* ENET3_RXD0_SER3_RXD0      */
93 	{1,  4, 2, 0, 1}, /* ENET3_RXD1_SER3_RXD1      */
94 	{1,  5, 2, 0, 2}, /* ENET3_RXD2_SER3_RXD2      */
95 	{1,  6, 2, 0, 3}, /* ENET3_RXD3_SER3_RXD3      */
96 	{1,  1, 1, 0, 1}, /* ENET3_TX_EN_SER3_RTS_B    */
97 	{1,  9, 2, 0, 3}, /* ENET3_RX_DV_SER3_CTS_B    */
98 	{2,  9, 2, 0, 2}, /* ENET3_GRXCLK              */
99 	{2, 25, 1, 0, 2}, /* ENET3_GTXCLK              */
100 
101 	/* UCC_4_RGMII */
102 	{2, 16, 2, 0, 3}, /* CLK17 */
103 	{1, 12, 1, 0, 2}, /* ENET4_TXD0_SER4_TXD0      */
104 	{1, 13, 1, 0, 2}, /* ENET4_TXD1_SER4_TXD1      */
105 	{1, 14, 1, 0, 1}, /* ENET4_TXD2_SER4_TXD2      */
106 	{1, 15, 1, 0, 2}, /* ENET4_TXD3_SER4_TXD3      */
107 	{1, 18, 2, 0, 2}, /* ENET4_RXD0_SER4_RXD0      */
108 	{1, 19, 2, 0, 1}, /* ENET4_RXD1_SER4_RXD1      */
109 	{1, 20, 2, 0, 1}, /* ENET4_RXD2_SER4_RXD2      */
110 	{1, 21, 2, 0, 2}, /* ENET4_RXD3_SER4_RXD3      */
111 	{1, 16, 1, 0, 2}, /* ENET4_TX_EN_SER4_RTS_B    */
112 	{1, 24, 2, 0, 3}, /* ENET4_RX_DV_SER4_CTS_B    */
113 	{2, 17, 2, 0, 2}, /* ENET4_GRXCLK              */
114 	{2, 24, 1, 0, 2}, /* ENET4_GTXCLK              */
115 
116 #elif defined(CONFIG_SYS_UCC_RMII_MODE)
117 	/* UCC_1_RMII */
118 	{2, 15, 2, 0, 1}, /* CLK16 */
119 	{0,  0, 1, 0, 3}, /* ENET1_TXD0_SER1_TXD0      */
120 	{0,  1, 1, 0, 3}, /* ENET1_TXD1_SER1_TXD1      */
121 	{0,  6, 2, 0, 3}, /* ENET1_RXD0_SER1_RXD0      */
122 	{0,  7, 2, 0, 1}, /* ENET1_RXD1_SER1_RXD1      */
123 	{0,  4, 1, 0, 2}, /* ENET1_TX_EN_SER1_RTS_B    */
124 	{0, 12, 2, 0, 3}, /* ENET1_RX_DV_SER1_CTS_B    */
125 
126 	/* UCC_2_RMII */
127 	{2, 15, 2, 0, 1}, /* CLK16 */
128 	{0, 14, 1, 0, 2}, /* ENET2_TXD0_SER2_TXD0      */
129 	{0, 15, 1, 0, 2}, /* ENET2_TXD1_SER2_TXD1      */
130 	{0, 20, 2, 0, 2}, /* ENET2_RXD0_SER2_RXD0      */
131 	{0, 21, 2, 0, 1}, /* ENET2_RXD1_SER2_RXD1      */
132 	{0, 18, 1, 0, 2}, /* ENET2_TX_EN_SER2_RTS_B    */
133 	{0, 26, 2, 0, 3}, /* ENET2_RX_DV_SER2_CTS_B    */
134 
135 	/* UCC_3_RMII */
136 	{2, 15, 2, 0, 1}, /* CLK16 */
137 	{0, 29, 1, 0, 2}, /* ENET3_TXD0_SER3_TXD0      */
138 	{0, 30, 1, 0, 3}, /* ENET3_TXD1_SER3_TXD1      */
139 	{1,  3, 2, 0, 3}, /* ENET3_RXD0_SER3_RXD0      */
140 	{1,  4, 2, 0, 1}, /* ENET3_RXD1_SER3_RXD1      */
141 	{1,  1, 1, 0, 1}, /* ENET3_TX_EN_SER3_RTS_B    */
142 	{1,  9, 2, 0, 3}, /* ENET3_RX_DV_SER3_CTS_B    */
143 
144 	/* UCC_4_RMII */
145 	{2, 15, 2, 0, 1}, /* CLK16 */
146 	{1, 12, 1, 0, 2}, /* ENET4_TXD0_SER4_TXD0      */
147 	{1, 13, 1, 0, 2}, /* ENET4_TXD1_SER4_TXD1      */
148 	{1, 18, 2, 0, 2}, /* ENET4_RXD0_SER4_RXD0      */
149 	{1, 19, 2, 0, 1}, /* ENET4_RXD1_SER4_RXD1      */
150 	{1, 16, 1, 0, 2}, /* ENET4_TX_EN_SER4_RTS_B    */
151 	{1, 24, 2, 0, 3}, /* ENET4_RX_DV_SER4_CTS_B    */
152 #endif
153 
154 	/* UART1 is muxed with QE PortF bit [9-12].*/
155 	{5, 12, 2, 0, 3}, /* UART1_SIN */
156 	{5, 9,  1, 0, 3}, /* UART1_SOUT */
157 	{5, 10, 2, 0, 3}, /* UART1_CTS_B */
158 	{5, 11, 1, 0, 2}, /* UART1_RTS_B */
159 
160 	/* QE UART                                     */
161 	{0, 19, 1, 0, 2}, /* QEUART_TX                 */
162 	{1, 17, 2, 0, 3}, /* QEUART_RX                 */
163 	{0, 25, 1, 0, 1}, /* QEUART_RTS                */
164 	{1, 23, 2, 0, 1}, /* QEUART_CTS                */
165 
166 	/* QE USB                                      */
167 	{5,  3, 1, 0, 1}, /* USB_OE                    */
168 	{5,  4, 1, 0, 2}, /* USB_TP                    */
169 	{5,  5, 1, 0, 2}, /* USB_TN                    */
170 	{5,  6, 2, 0, 2}, /* USB_RP                    */
171 	{5,  7, 2, 0, 1}, /* USB_RX                    */
172 	{5,  8, 2, 0, 1}, /* USB_RN                    */
173 	{2,  4, 2, 0, 2}, /* CLK5                      */
174 
175 	/* SPI Flash, M25P40                           */
176 	{4, 27, 3, 0, 1}, /* SPI_MOSI                  */
177 	{4, 28, 3, 0, 1}, /* SPI_MISO                  */
178 	{4, 29, 3, 0, 1}, /* SPI_CLK                   */
179 	{4, 30, 1, 0, 0}, /* SPI_SEL, GPIO             */
180 
181 	{0,  0, 0, 0, QE_IOP_TAB_END} /* END of table */
182 };
183 
184 void local_bus_init(void);
185 
186 int board_early_init_f (void)
187 {
188 	/*
189 	 * Initialize local bus.
190 	 */
191 	local_bus_init ();
192 
193 	enable_8569mds_flash_write();
194 
195 #ifdef CONFIG_QE
196 	enable_8569mds_qe_uec();
197 #endif
198 
199 #if CONFIG_SYS_I2C2_OFFSET
200 	/* Enable I2C2 signals instead of SD signals */
201 	volatile struct ccsr_gur *gur;
202 	gur = (struct ccsr_gur *)(CONFIG_SYS_IMMR + 0xe0000);
203 	gur->plppar1 &= ~PLPPAR1_I2C_BIT_MASK;
204 	gur->plppar1 |= PLPPAR1_I2C2_VAL;
205 	gur->plpdir1 &= ~PLPDIR1_I2C_BIT_MASK;
206 	gur->plpdir1 |= PLPDIR1_I2C2_VAL;
207 
208 	disable_8569mds_brd_eeprom_write_protect();
209 #endif
210 
211 	return 0;
212 }
213 
214 int board_early_init_r(void)
215 {
216 	const unsigned int flashbase = CONFIG_SYS_NAND_BASE;
217 	const u8 flash_esel = 0;
218 
219 	/*
220 	 * Remap Boot flash to caching-inhibited
221 	 * so that flash can be erased properly.
222 	 */
223 
224 	/* Flush d-cache and invalidate i-cache of any FLASH data */
225 	flush_dcache();
226 	invalidate_icache();
227 
228 	/* invalidate existing TLB entry for flash */
229 	disable_tlb(flash_esel);
230 
231 	set_tlb(1, flashbase, CONFIG_SYS_NAND_BASE,	/* tlb, epn, rpn */
232 		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,	/* perms, wimge */
233 		0, flash_esel,				/* ts, esel */
234 		BOOKE_PAGESZ_64M, 1);			/* tsize, iprot */
235 
236 	return 0;
237 }
238 
239 int checkboard (void)
240 {
241 	printf ("Board: 8569 MDS\n");
242 
243 	return 0;
244 }
245 
246 #if !defined(CONFIG_SPD_EEPROM)
247 phys_size_t fixed_sdram(void)
248 {
249 	volatile ccsr_ddr_t *ddr = (ccsr_ddr_t *)CONFIG_SYS_MPC85xx_DDR_ADDR;
250 	uint d_init;
251 
252 	out_be32(&ddr->cs0_bnds, CONFIG_SYS_DDR_CS0_BNDS);
253 	out_be32(&ddr->cs0_config, CONFIG_SYS_DDR_CS0_CONFIG);
254 	out_be32(&ddr->timing_cfg_3, CONFIG_SYS_DDR_TIMING_3);
255 	out_be32(&ddr->timing_cfg_0, CONFIG_SYS_DDR_TIMING_0);
256 	out_be32(&ddr->timing_cfg_1, CONFIG_SYS_DDR_TIMING_1);
257 	out_be32(&ddr->timing_cfg_2, CONFIG_SYS_DDR_TIMING_2);
258 	out_be32(&ddr->sdram_cfg, CONFIG_SYS_DDR_SDRAM_CFG);
259 	out_be32(&ddr->sdram_cfg_2, CONFIG_SYS_DDR_SDRAM_CFG_2);
260 	out_be32(&ddr->sdram_mode, CONFIG_SYS_DDR_SDRAM_MODE);
261 	out_be32(&ddr->sdram_mode_2, CONFIG_SYS_DDR_SDRAM_MODE_2);
262 	out_be32(&ddr->sdram_interval, CONFIG_SYS_DDR_SDRAM_INTERVAL);
263 	out_be32(&ddr->sdram_data_init, CONFIG_SYS_DDR_DATA_INIT);
264 	out_be32(&ddr->sdram_clk_cntl, CONFIG_SYS_DDR_SDRAM_CLK_CNTL);
265 	out_be32(&ddr->timing_cfg_4, CONFIG_SYS_DDR_TIMING_4);
266 	out_be32(&ddr->timing_cfg_5, CONFIG_SYS_DDR_TIMING_5);
267 	out_be32(&ddr->ddr_zq_cntl, CONFIG_SYS_DDR_ZQ_CNTL);
268 	out_be32(&ddr->ddr_wrlvl_cntl, CONFIG_SYS_DDR_WRLVL_CNTL);
269 	out_be32(&ddr->sdram_cfg_2, CONFIG_SYS_DDR_SDRAM_CFG_2);
270 #if defined (CONFIG_DDR_ECC)
271 	out_be32(&ddr->err_int_en, CONFIG_SYS_DDR_ERR_INT_EN);
272 	out_be32(&ddr->err_disable, CONFIG_SYS_DDR_ERR_DIS);
273 	out_be32(&ddr->err_sbe, CONFIG_SYS_DDR_SBE);
274 #endif
275 	udelay(500);
276 
277 	out_be32(&ddr->sdram_cfg, CONFIG_SYS_DDR_CONTROL);
278 #if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
279 	d_init = 1;
280 	debug("DDR - 1st controller: memory initializing\n");
281 	/*
282 	 * Poll until memory is initialized.
283 	 * 512 Meg at 400 might hit this 200 times or so.
284 	 */
285 	while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0) {
286 		udelay(1000);
287 	}
288 	debug("DDR: memory initialized\n\n");
289 	udelay(500);
290 #endif
291 	return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
292 }
293 #endif
294 
295 /*
296  * Initialize Local Bus
297  */
298 void
299 local_bus_init(void)
300 {
301 	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
302 	volatile fsl_lbc_t *lbc = LBC_BASE_ADDR;
303 
304 	uint clkdiv;
305 	uint lbc_hz;
306 	sys_info_t sysinfo;
307 
308 	get_sys_info(&sysinfo);
309 	clkdiv = (lbc->lcrr & LCRR_CLKDIV) * 2;
310 	lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv;
311 
312 	out_be32(&gur->lbiuiplldcr1, 0x00078080);
313 	if (clkdiv == 16)
314 		out_be32(&gur->lbiuiplldcr0, 0x7c0f1bf0);
315 	else if (clkdiv == 8)
316 		out_be32(&gur->lbiuiplldcr0, 0x6c0f1bf0);
317 	else if (clkdiv == 4)
318 		out_be32(&gur->lbiuiplldcr0, 0x5c0f1bf0);
319 
320 	out_be32(&lbc->lcrr, (u32)in_be32(&lbc->lcrr)| 0x00030000);
321 }
322 
323 static void fdt_board_disable_serial(void *blob, bd_t *bd, const char *alias)
324 {
325 	const char *status = "disabled";
326 	int off;
327 	int err;
328 
329 	off = fdt_path_offset(blob, alias);
330 	if (off < 0) {
331 		printf("WARNING: could not find %s alias: %s.\n", alias,
332 			fdt_strerror(off));
333 		return;
334 	}
335 
336 	err = fdt_setprop(blob, off, "status", status, strlen(status) + 1);
337 	if (err) {
338 		printf("WARNING: could not set status for serial0: %s.\n",
339 			fdt_strerror(err));
340 		return;
341 	}
342 }
343 
344 /*
345  * Because of an erratum in prototype boards it is impossible to use eSDHC
346  * without disabling UART0 (which makes it quite easy to 'brick' the board
347  * by simply issung 'setenv hwconfig esdhc', and not able to interact with
348  * U-Boot anylonger).
349  *
350  * So, but default we assume that the board is a prototype, which is a most
351  * safe assumption. There is no way to determine board revision from a
352  * register, so we use hwconfig.
353  */
354 
355 static int prototype_board(void)
356 {
357 	if (hwconfig_subarg("board", "rev", NULL))
358 		return hwconfig_subarg_cmp("board", "rev", "prototype");
359 	return 1;
360 }
361 
362 static int esdhc_disables_uart0(void)
363 {
364 	return prototype_board() ||
365 	       hwconfig_subarg_cmp("esdhc", "mode", "4-bits");
366 }
367 
368 static void fdt_board_fixup_qe_uart(void *blob, bd_t *bd)
369 {
370 	u8 *bcsr = (u8 *)CONFIG_SYS_BCSR_BASE;
371 	const char *devtype = "serial";
372 	const char *compat = "ucc_uart";
373 	const char *clk = "brg9";
374 	u32 portnum = 0;
375 	int off = -1;
376 
377 	if (!hwconfig("qe_uart"))
378 		return;
379 
380 	if (hwconfig("esdhc") && esdhc_disables_uart0()) {
381 		printf("QE UART: won't enable with esdhc.\n");
382 		return;
383 	}
384 
385 	fdt_board_disable_serial(blob, bd, "serial1");
386 
387 	while (1) {
388 		const u32 *idx;
389 		int len;
390 
391 		off = fdt_node_offset_by_compatible(blob, off, "ucc_geth");
392 		if (off < 0) {
393 			printf("WARNING: unable to fixup device tree for "
394 				"QE UART\n");
395 			return;
396 		}
397 
398 		idx = fdt_getprop(blob, off, "cell-index", &len);
399 		if (!idx || len != sizeof(*idx) || *idx != fdt32_to_cpu(2))
400 			continue;
401 		break;
402 	}
403 
404 	fdt_setprop(blob, off, "device_type", devtype, strlen(devtype) + 1);
405 	fdt_setprop(blob, off, "compatible", compat, strlen(compat) + 1);
406 	fdt_setprop(blob, off, "tx-clock-name", clk, strlen(clk) + 1);
407 	fdt_setprop(blob, off, "rx-clock-name", clk, strlen(clk) + 1);
408 	fdt_setprop(blob, off, "port-number", &portnum, sizeof(portnum));
409 
410 	setbits_8(&bcsr[15], BCSR15_QEUART_EN);
411 }
412 
413 #ifdef CONFIG_FSL_ESDHC
414 
415 int board_mmc_init(bd_t *bd)
416 {
417 	struct ccsr_gur *gur = (struct ccsr_gur *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
418 	u8 *bcsr = (u8 *)CONFIG_SYS_BCSR_BASE;
419 	u8 bcsr6 = BCSR6_SD_CARD_1BIT;
420 
421 	if (!hwconfig("esdhc"))
422 		return 0;
423 
424 	printf("Enabling eSDHC...\n"
425 	       "  For eSDHC to function, I2C2 ");
426 	if (esdhc_disables_uart0()) {
427 		printf("and UART0 should be disabled.\n");
428 		printf("  Redirecting stderr, stdout and stdin to UART1...\n");
429 		console_assign(stderr, "eserial1");
430 		console_assign(stdout, "eserial1");
431 		console_assign(stdin, "eserial1");
432 		printf("Switched to UART1 (initial log has been printed to "
433 		       "UART0).\n");
434 
435 		clrsetbits_be32(&gur->plppar1, PLPPAR1_UART0_BIT_MASK,
436 					       PLPPAR1_ESDHC_4BITS_VAL);
437 		clrsetbits_be32(&gur->plpdir1, PLPDIR1_UART0_BIT_MASK,
438 					       PLPDIR1_ESDHC_4BITS_VAL);
439 		bcsr6 |= BCSR6_SD_CARD_4BITS;
440 	} else {
441 		printf("should be disabled.\n");
442 	}
443 
444 	/* Assign I2C2 signals to eSDHC. */
445 	clrsetbits_be32(&gur->plppar1, PLPPAR1_I2C_BIT_MASK,
446 				       PLPPAR1_ESDHC_VAL);
447 	clrsetbits_be32(&gur->plpdir1, PLPDIR1_I2C_BIT_MASK,
448 				       PLPDIR1_ESDHC_VAL);
449 
450 	/* Mux I2C2 (and optionally UART0) signals to eSDHC. */
451 	setbits_8(&bcsr[6], bcsr6);
452 
453 	return fsl_esdhc_mmc_init(bd);
454 }
455 
456 static void fdt_board_fixup_esdhc(void *blob, bd_t *bd)
457 {
458 	const char *status = "disabled";
459 	int off = -1;
460 
461 	if (!hwconfig("esdhc"))
462 		return;
463 
464 	if (esdhc_disables_uart0())
465 		fdt_board_disable_serial(blob, bd, "serial0");
466 
467 	while (1) {
468 		const u32 *idx;
469 		int len;
470 
471 		off = fdt_node_offset_by_compatible(blob, off, "fsl-i2c");
472 		if (off < 0)
473 			break;
474 
475 		idx = fdt_getprop(blob, off, "cell-index", &len);
476 		if (!idx || len != sizeof(*idx))
477 			continue;
478 
479 		if (*idx == 1) {
480 			fdt_setprop(blob, off, "status", status,
481 				    strlen(status) + 1);
482 			break;
483 		}
484 	}
485 
486 	if (hwconfig_subarg_cmp("esdhc", "mode", "4-bits")) {
487 		off = fdt_node_offset_by_compatible(blob, -1, "fsl,esdhc");
488 		if (off < 0) {
489 			printf("WARNING: could not find esdhc node\n");
490 			return;
491 		}
492 		fdt_delprop(blob, off, "sdhci,1-bit-only");
493 	}
494 }
495 #else
496 static inline void fdt_board_fixup_esdhc(void *blob, bd_t *bd) {}
497 #endif
498 
499 static void fdt_board_fixup_qe_usb(void *blob, bd_t *bd)
500 {
501 	u8 *bcsr = (u8 *)CONFIG_SYS_BCSR_BASE;
502 
503 	if (hwconfig_subarg_cmp("qe_usb", "speed", "low"))
504 		clrbits_8(&bcsr[17], BCSR17_nUSBLOWSPD);
505 	else
506 		setbits_8(&bcsr[17], BCSR17_nUSBLOWSPD);
507 
508 	if (hwconfig_subarg_cmp("qe_usb", "mode", "peripheral")) {
509 		clrbits_8(&bcsr[17], BCSR17_USBVCC);
510 		clrbits_8(&bcsr[17], BCSR17_USBMODE);
511 		do_fixup_by_compat(blob, "fsl,mpc8569-qe-usb", "mode",
512 				   "peripheral", sizeof("peripheral"), 1);
513 	} else {
514 		setbits_8(&bcsr[17], BCSR17_USBVCC);
515 		setbits_8(&bcsr[17], BCSR17_USBMODE);
516 	}
517 
518 	clrbits_8(&bcsr[17], BCSR17_nUSBEN);
519 }
520 
521 #ifdef CONFIG_PCI
522 void pci_init_board(void)
523 {
524 #if defined(CONFIG_PQ_MDS_PIB)
525 	pib_init();
526 #endif
527 
528 	fsl_pcie_init_board(0);
529 }
530 #endif /* CONFIG_PCI */
531 
532 #if defined(CONFIG_OF_BOARD_SETUP)
533 void ft_board_setup(void *blob, bd_t *bd)
534 {
535 #if defined(CONFIG_SYS_UCC_RMII_MODE)
536 	int nodeoff, off, err;
537 	unsigned int val;
538 	const u32 *ph;
539 	const u32 *index;
540 
541 	/* fixup device tree for supporting rmii mode */
542 	nodeoff = -1;
543 	while ((nodeoff = fdt_node_offset_by_compatible(blob, nodeoff,
544 				"ucc_geth")) >= 0) {
545 		err = fdt_setprop_string(blob, nodeoff, "tx-clock-name",
546 						"clk16");
547 		if (err < 0) {
548 			printf("WARNING: could not set tx-clock-name %s.\n",
549 				fdt_strerror(err));
550 			break;
551 		}
552 
553 		err = fdt_fixup_phy_connection(blob, nodeoff, RMII);
554 
555 		if (err < 0) {
556 			printf("WARNING: could not set phy-connection-type "
557 				"%s.\n", fdt_strerror(err));
558 			break;
559 		}
560 
561 		index = fdt_getprop(blob, nodeoff, "cell-index", 0);
562 		if (index == NULL) {
563 			printf("WARNING: could not get cell-index of ucc\n");
564 			break;
565 		}
566 
567 		ph = fdt_getprop(blob, nodeoff, "phy-handle", 0);
568 		if (ph == NULL) {
569 			printf("WARNING: could not get phy-handle of ucc\n");
570 			break;
571 		}
572 
573 		off = fdt_node_offset_by_phandle(blob, *ph);
574 		if (off < 0) {
575 			printf("WARNING: could not get phy node	%s.\n",
576 				fdt_strerror(err));
577 			break;
578 		}
579 
580 		val = 0x7 + *index; /* RMII phy address starts from 0x8 */
581 
582 		err = fdt_setprop(blob, off, "reg", &val, sizeof(u32));
583 		if (err < 0) {
584 			printf("WARNING: could not set reg for phy-handle "
585 				"%s.\n", fdt_strerror(err));
586 			break;
587 		}
588 	}
589 #endif
590 	ft_cpu_setup(blob, bd);
591 
592 	FT_FSL_PCI_SETUP;
593 
594 	fdt_board_fixup_esdhc(blob, bd);
595 	fdt_board_fixup_qe_uart(blob, bd);
596 	fdt_board_fixup_qe_usb(blob, bd);
597 }
598 #endif
599