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      1 // SPDX-License-Identifier: GPL-2.0+
      2 /*
      3  * Copyright 2009-2010 Freescale Semiconductor.
      4  *
      5  * (C) Copyright 2002 Scott McNutt <smcnutt (at) artesyncp.com>
      6  */
      7 
      8 #include <common.h>
      9 #include <console.h>
     10 #include <hwconfig.h>
     11 #include <pci.h>
     12 #include <asm/processor.h>
     13 #include <asm/mmu.h>
     14 #include <asm/cache.h>
     15 #include <asm/immap_85xx.h>
     16 #include <asm/fsl_pci.h>
     17 #include <fsl_ddr_sdram.h>
     18 #include <asm/fsl_serdes.h>
     19 #include <asm/io.h>
     20 #include <spd_sdram.h>
     21 #include <i2c.h>
     22 #include <ioports.h>
     23 #include <linux/libfdt.h>
     24 #include <fdt_support.h>
     25 #include <fsl_esdhc.h>
     26 #include <phy.h>
     27 
     28 #include "bcsr.h"
     29 #if defined(CONFIG_PQ_MDS_PIB)
     30 #include "../common/pq-mds-pib.h"
     31 #endif
     32 
     33 const qe_iop_conf_t qe_iop_conf_tab[] = {
     34 	/* QE_MUX_MDC */
     35 	{2,  31, 1, 0, 1}, /* QE_MUX_MDC               */
     36 
     37 	/* QE_MUX_MDIO */
     38 	{2,  30, 3, 0, 2}, /* QE_MUX_MDIO              */
     39 
     40 #if defined(CONFIG_SYS_UCC_RGMII_MODE)
     41 	/* UCC_1_RGMII */
     42 	{2, 11, 2, 0, 1}, /* CLK12 */
     43 	{0,  0, 1, 0, 3}, /* ENET1_TXD0_SER1_TXD0      */
     44 	{0,  1, 1, 0, 3}, /* ENET1_TXD1_SER1_TXD1      */
     45 	{0,  2, 1, 0, 1}, /* ENET1_TXD2_SER1_TXD2      */
     46 	{0,  3, 1, 0, 2}, /* ENET1_TXD3_SER1_TXD3      */
     47 	{0,  6, 2, 0, 3}, /* ENET1_RXD0_SER1_RXD0      */
     48 	{0,  7, 2, 0, 1}, /* ENET1_RXD1_SER1_RXD1      */
     49 	{0,  8, 2, 0, 2}, /* ENET1_RXD2_SER1_RXD2      */
     50 	{0,  9, 2, 0, 2}, /* ENET1_RXD3_SER1_RXD3      */
     51 	{0,  4, 1, 0, 2}, /* ENET1_TX_EN_SER1_RTS_B    */
     52 	{0, 12, 2, 0, 3}, /* ENET1_RX_DV_SER1_CTS_B    */
     53 	{2,  8, 2, 0, 1}, /* ENET1_GRXCLK              */
     54 	{2, 20, 1, 0, 2}, /* ENET1_GTXCLK              */
     55 
     56 	/* UCC_2_RGMII */
     57 	{2, 16, 2, 0, 3}, /* CLK17 */
     58 	{0, 14, 1, 0, 2}, /* ENET2_TXD0_SER2_TXD0      */
     59 	{0, 15, 1, 0, 2}, /* ENET2_TXD1_SER2_TXD1      */
     60 	{0, 16, 1, 0, 1}, /* ENET2_TXD2_SER2_TXD2      */
     61 	{0, 17, 1, 0, 1}, /* ENET2_TXD3_SER2_TXD3      */
     62 	{0, 20, 2, 0, 2}, /* ENET2_RXD0_SER2_RXD0      */
     63 	{0, 21, 2, 0, 1}, /* ENET2_RXD1_SER2_RXD1      */
     64 	{0, 22, 2, 0, 1}, /* ENET2_RXD2_SER2_RXD2      */
     65 	{0, 23, 2, 0, 1}, /* ENET2_RXD3_SER2_RXD3      */
     66 	{0, 18, 1, 0, 2}, /* ENET2_TX_EN_SER2_RTS_B    */
     67 	{0, 26, 2, 0, 3}, /* ENET2_RX_DV_SER2_CTS_B    */
     68 	{2,  3, 2, 0, 1}, /* ENET2_GRXCLK              */
     69 	{2,  2, 1, 0, 2}, /* ENET2_GTXCLK              */
     70 
     71 	/* UCC_3_RGMII */
     72 	{2, 11, 2, 0, 1}, /* CLK12 */
     73 	{0, 29, 1, 0, 2}, /* ENET3_TXD0_SER3_TXD0      */
     74 	{0, 30, 1, 0, 3}, /* ENET3_TXD1_SER3_TXD1      */
     75 	{0, 31, 1, 0, 2}, /* ENET3_TXD2_SER3_TXD2      */
     76 	{1,  0, 1, 0, 3}, /* ENET3_TXD3_SER3_TXD3      */
     77 	{1,  3, 2, 0, 3}, /* ENET3_RXD0_SER3_RXD0      */
     78 	{1,  4, 2, 0, 1}, /* ENET3_RXD1_SER3_RXD1      */
     79 	{1,  5, 2, 0, 2}, /* ENET3_RXD2_SER3_RXD2      */
     80 	{1,  6, 2, 0, 3}, /* ENET3_RXD3_SER3_RXD3      */
     81 	{1,  1, 1, 0, 1}, /* ENET3_TX_EN_SER3_RTS_B    */
     82 	{1,  9, 2, 0, 3}, /* ENET3_RX_DV_SER3_CTS_B    */
     83 	{2,  9, 2, 0, 2}, /* ENET3_GRXCLK              */
     84 	{2, 25, 1, 0, 2}, /* ENET3_GTXCLK              */
     85 
     86 	/* UCC_4_RGMII */
     87 	{2, 16, 2, 0, 3}, /* CLK17 */
     88 	{1, 12, 1, 0, 2}, /* ENET4_TXD0_SER4_TXD0      */
     89 	{1, 13, 1, 0, 2}, /* ENET4_TXD1_SER4_TXD1      */
     90 	{1, 14, 1, 0, 1}, /* ENET4_TXD2_SER4_TXD2      */
     91 	{1, 15, 1, 0, 2}, /* ENET4_TXD3_SER4_TXD3      */
     92 	{1, 18, 2, 0, 2}, /* ENET4_RXD0_SER4_RXD0      */
     93 	{1, 19, 2, 0, 1}, /* ENET4_RXD1_SER4_RXD1      */
     94 	{1, 20, 2, 0, 1}, /* ENET4_RXD2_SER4_RXD2      */
     95 	{1, 21, 2, 0, 2}, /* ENET4_RXD3_SER4_RXD3      */
     96 	{1, 16, 1, 0, 2}, /* ENET4_TX_EN_SER4_RTS_B    */
     97 	{1, 24, 2, 0, 3}, /* ENET4_RX_DV_SER4_CTS_B    */
     98 	{2, 17, 2, 0, 2}, /* ENET4_GRXCLK              */
     99 	{2, 24, 1, 0, 2}, /* ENET4_GTXCLK              */
    100 
    101 #elif defined(CONFIG_SYS_UCC_RMII_MODE)
    102 	/* UCC_1_RMII */
    103 	{2, 15, 2, 0, 1}, /* CLK16 */
    104 	{0,  0, 1, 0, 3}, /* ENET1_TXD0_SER1_TXD0      */
    105 	{0,  1, 1, 0, 3}, /* ENET1_TXD1_SER1_TXD1      */
    106 	{0,  6, 2, 0, 3}, /* ENET1_RXD0_SER1_RXD0      */
    107 	{0,  7, 2, 0, 1}, /* ENET1_RXD1_SER1_RXD1      */
    108 	{0,  4, 1, 0, 2}, /* ENET1_TX_EN_SER1_RTS_B    */
    109 	{0, 12, 2, 0, 3}, /* ENET1_RX_DV_SER1_CTS_B    */
    110 
    111 	/* UCC_2_RMII */
    112 	{2, 15, 2, 0, 1}, /* CLK16 */
    113 	{0, 14, 1, 0, 2}, /* ENET2_TXD0_SER2_TXD0      */
    114 	{0, 15, 1, 0, 2}, /* ENET2_TXD1_SER2_TXD1      */
    115 	{0, 20, 2, 0, 2}, /* ENET2_RXD0_SER2_RXD0      */
    116 	{0, 21, 2, 0, 1}, /* ENET2_RXD1_SER2_RXD1      */
    117 	{0, 18, 1, 0, 2}, /* ENET2_TX_EN_SER2_RTS_B    */
    118 	{0, 26, 2, 0, 3}, /* ENET2_RX_DV_SER2_CTS_B    */
    119 
    120 	/* UCC_3_RMII */
    121 	{2, 15, 2, 0, 1}, /* CLK16 */
    122 	{0, 29, 1, 0, 2}, /* ENET3_TXD0_SER3_TXD0      */
    123 	{0, 30, 1, 0, 3}, /* ENET3_TXD1_SER3_TXD1      */
    124 	{1,  3, 2, 0, 3}, /* ENET3_RXD0_SER3_RXD0      */
    125 	{1,  4, 2, 0, 1}, /* ENET3_RXD1_SER3_RXD1      */
    126 	{1,  1, 1, 0, 1}, /* ENET3_TX_EN_SER3_RTS_B    */
    127 	{1,  9, 2, 0, 3}, /* ENET3_RX_DV_SER3_CTS_B    */
    128 
    129 	/* UCC_4_RMII */
    130 	{2, 15, 2, 0, 1}, /* CLK16 */
    131 	{1, 12, 1, 0, 2}, /* ENET4_TXD0_SER4_TXD0      */
    132 	{1, 13, 1, 0, 2}, /* ENET4_TXD1_SER4_TXD1      */
    133 	{1, 18, 2, 0, 2}, /* ENET4_RXD0_SER4_RXD0      */
    134 	{1, 19, 2, 0, 1}, /* ENET4_RXD1_SER4_RXD1      */
    135 	{1, 16, 1, 0, 2}, /* ENET4_TX_EN_SER4_RTS_B    */
    136 	{1, 24, 2, 0, 3}, /* ENET4_RX_DV_SER4_CTS_B    */
    137 #endif
    138 
    139 	/* UART1 is muxed with QE PortF bit [9-12].*/
    140 	{5, 12, 2, 0, 3}, /* UART1_SIN */
    141 	{5, 9,  1, 0, 3}, /* UART1_SOUT */
    142 	{5, 10, 2, 0, 3}, /* UART1_CTS_B */
    143 	{5, 11, 1, 0, 2}, /* UART1_RTS_B */
    144 
    145 	/* QE UART                                     */
    146 	{0, 19, 1, 0, 2}, /* QEUART_TX                 */
    147 	{1, 17, 2, 0, 3}, /* QEUART_RX                 */
    148 	{0, 25, 1, 0, 1}, /* QEUART_RTS                */
    149 	{1, 23, 2, 0, 1}, /* QEUART_CTS                */
    150 
    151 	/* QE USB                                      */
    152 	{5,  3, 1, 0, 1}, /* USB_OE                    */
    153 	{5,  4, 1, 0, 2}, /* USB_TP                    */
    154 	{5,  5, 1, 0, 2}, /* USB_TN                    */
    155 	{5,  6, 2, 0, 2}, /* USB_RP                    */
    156 	{5,  7, 2, 0, 1}, /* USB_RX                    */
    157 	{5,  8, 2, 0, 1}, /* USB_RN                    */
    158 	{2,  4, 2, 0, 2}, /* CLK5                      */
    159 
    160 	/* SPI Flash, M25P40                           */
    161 	{4, 27, 3, 0, 1}, /* SPI_MOSI                  */
    162 	{4, 28, 3, 0, 1}, /* SPI_MISO                  */
    163 	{4, 29, 3, 0, 1}, /* SPI_CLK                   */
    164 	{4, 30, 1, 0, 0}, /* SPI_SEL, GPIO             */
    165 
    166 	{0,  0, 0, 0, QE_IOP_TAB_END} /* END of table */
    167 };
    168 
    169 void local_bus_init(void);
    170 
    171 int board_early_init_f (void)
    172 {
    173 	/*
    174 	 * Initialize local bus.
    175 	 */
    176 	local_bus_init ();
    177 
    178 	enable_8569mds_flash_write();
    179 
    180 #ifdef CONFIG_QE
    181 	enable_8569mds_qe_uec();
    182 #endif
    183 
    184 #if CONFIG_SYS_I2C2_OFFSET
    185 	/* Enable I2C2 signals instead of SD signals */
    186 	volatile struct ccsr_gur *gur;
    187 	gur = (struct ccsr_gur *)(CONFIG_SYS_IMMR + 0xe0000);
    188 	gur->plppar1 &= ~PLPPAR1_I2C_BIT_MASK;
    189 	gur->plppar1 |= PLPPAR1_I2C2_VAL;
    190 	gur->plpdir1 &= ~PLPDIR1_I2C_BIT_MASK;
    191 	gur->plpdir1 |= PLPDIR1_I2C2_VAL;
    192 
    193 	disable_8569mds_brd_eeprom_write_protect();
    194 #endif
    195 
    196 	return 0;
    197 }
    198 
    199 int board_early_init_r(void)
    200 {
    201 	const unsigned int flashbase = CONFIG_SYS_NAND_BASE;
    202 	const u8 flash_esel = 0;
    203 
    204 	/*
    205 	 * Remap Boot flash to caching-inhibited
    206 	 * so that flash can be erased properly.
    207 	 */
    208 
    209 	/* Flush d-cache and invalidate i-cache of any FLASH data */
    210 	flush_dcache();
    211 	invalidate_icache();
    212 
    213 	/* invalidate existing TLB entry for flash */
    214 	disable_tlb(flash_esel);
    215 
    216 	set_tlb(1, flashbase, CONFIG_SYS_NAND_BASE,	/* tlb, epn, rpn */
    217 		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,	/* perms, wimge */
    218 		0, flash_esel,				/* ts, esel */
    219 		BOOKE_PAGESZ_64M, 1);			/* tsize, iprot */
    220 
    221 	return 0;
    222 }
    223 
    224 int checkboard (void)
    225 {
    226 	printf ("Board: 8569 MDS\n");
    227 
    228 	return 0;
    229 }
    230 
    231 #if !defined(CONFIG_SPD_EEPROM)
    232 phys_size_t fixed_sdram(void)
    233 {
    234 	struct ccsr_ddr __iomem *ddr =
    235 		(struct ccsr_ddr __iomem *)CONFIG_SYS_FSL_DDR_ADDR;
    236 	uint d_init;
    237 
    238 	out_be32(&ddr->cs0_bnds, CONFIG_SYS_DDR_CS0_BNDS);
    239 	out_be32(&ddr->cs0_config, CONFIG_SYS_DDR_CS0_CONFIG);
    240 	out_be32(&ddr->timing_cfg_3, CONFIG_SYS_DDR_TIMING_3);
    241 	out_be32(&ddr->timing_cfg_0, CONFIG_SYS_DDR_TIMING_0);
    242 	out_be32(&ddr->timing_cfg_1, CONFIG_SYS_DDR_TIMING_1);
    243 	out_be32(&ddr->timing_cfg_2, CONFIG_SYS_DDR_TIMING_2);
    244 	out_be32(&ddr->sdram_cfg, CONFIG_SYS_DDR_SDRAM_CFG);
    245 	out_be32(&ddr->sdram_cfg_2, CONFIG_SYS_DDR_SDRAM_CFG_2);
    246 	out_be32(&ddr->sdram_mode, CONFIG_SYS_DDR_SDRAM_MODE);
    247 	out_be32(&ddr->sdram_mode_2, CONFIG_SYS_DDR_SDRAM_MODE_2);
    248 	out_be32(&ddr->sdram_interval, CONFIG_SYS_DDR_SDRAM_INTERVAL);
    249 	out_be32(&ddr->sdram_data_init, CONFIG_SYS_DDR_DATA_INIT);
    250 	out_be32(&ddr->sdram_clk_cntl, CONFIG_SYS_DDR_SDRAM_CLK_CNTL);
    251 	out_be32(&ddr->timing_cfg_4, CONFIG_SYS_DDR_TIMING_4);
    252 	out_be32(&ddr->timing_cfg_5, CONFIG_SYS_DDR_TIMING_5);
    253 	out_be32(&ddr->ddr_zq_cntl, CONFIG_SYS_DDR_ZQ_CNTL);
    254 	out_be32(&ddr->ddr_wrlvl_cntl, CONFIG_SYS_DDR_WRLVL_CNTL);
    255 	out_be32(&ddr->sdram_cfg_2, CONFIG_SYS_DDR_SDRAM_CFG_2);
    256 #if defined (CONFIG_DDR_ECC)
    257 	out_be32(&ddr->err_int_en, CONFIG_SYS_DDR_ERR_INT_EN);
    258 	out_be32(&ddr->err_disable, CONFIG_SYS_DDR_ERR_DIS);
    259 	out_be32(&ddr->err_sbe, CONFIG_SYS_DDR_SBE);
    260 #endif
    261 	udelay(500);
    262 
    263 	out_be32(&ddr->sdram_cfg, CONFIG_SYS_DDR_CONTROL);
    264 #if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
    265 	d_init = 1;
    266 	debug("DDR - 1st controller: memory initializing\n");
    267 	/*
    268 	 * Poll until memory is initialized.
    269 	 * 512 Meg at 400 might hit this 200 times or so.
    270 	 */
    271 	while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0) {
    272 		udelay(1000);
    273 	}
    274 	debug("DDR: memory initialized\n\n");
    275 	udelay(500);
    276 #endif
    277 	return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
    278 }
    279 #endif
    280 
    281 /*
    282  * Initialize Local Bus
    283  */
    284 void
    285 local_bus_init(void)
    286 {
    287 	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
    288 	volatile fsl_lbc_t *lbc = LBC_BASE_ADDR;
    289 
    290 	uint clkdiv;
    291 	sys_info_t sysinfo;
    292 
    293 	get_sys_info(&sysinfo);
    294 	clkdiv = (lbc->lcrr & LCRR_CLKDIV) * 2;
    295 
    296 	out_be32(&gur->lbiuiplldcr1, 0x00078080);
    297 	if (clkdiv == 16)
    298 		out_be32(&gur->lbiuiplldcr0, 0x7c0f1bf0);
    299 	else if (clkdiv == 8)
    300 		out_be32(&gur->lbiuiplldcr0, 0x6c0f1bf0);
    301 	else if (clkdiv == 4)
    302 		out_be32(&gur->lbiuiplldcr0, 0x5c0f1bf0);
    303 
    304 	out_be32(&lbc->lcrr, (u32)in_be32(&lbc->lcrr)| 0x00030000);
    305 }
    306 
    307 static void fdt_board_disable_serial(void *blob, bd_t *bd, const char *alias)
    308 {
    309 	const char *status = "disabled";
    310 	int off;
    311 	int err;
    312 
    313 	off = fdt_path_offset(blob, alias);
    314 	if (off < 0) {
    315 		printf("WARNING: could not find %s alias: %s.\n", alias,
    316 			fdt_strerror(off));
    317 		return;
    318 	}
    319 
    320 	err = fdt_setprop(blob, off, "status", status, strlen(status) + 1);
    321 	if (err) {
    322 		printf("WARNING: could not set status for serial0: %s.\n",
    323 			fdt_strerror(err));
    324 		return;
    325 	}
    326 }
    327 
    328 /*
    329  * Because of an erratum in prototype boards it is impossible to use eSDHC
    330  * without disabling UART0 (which makes it quite easy to 'brick' the board
    331  * by simply issung 'setenv hwconfig esdhc', and not able to interact with
    332  * U-Boot anylonger).
    333  *
    334  * So, but default we assume that the board is a prototype, which is a most
    335  * safe assumption. There is no way to determine board revision from a
    336  * register, so we use hwconfig.
    337  */
    338 
    339 static int prototype_board(void)
    340 {
    341 	if (hwconfig_subarg("board", "rev", NULL))
    342 		return hwconfig_subarg_cmp("board", "rev", "prototype");
    343 	return 1;
    344 }
    345 
    346 static int esdhc_disables_uart0(void)
    347 {
    348 	return prototype_board() ||
    349 	       hwconfig_subarg_cmp("esdhc", "mode", "4-bits");
    350 }
    351 
    352 static void fdt_board_fixup_qe_uart(void *blob, bd_t *bd)
    353 {
    354 	u8 *bcsr = (u8 *)CONFIG_SYS_BCSR_BASE;
    355 	const char *devtype = "serial";
    356 	const char *compat = "ucc_uart";
    357 	const char *clk = "brg9";
    358 	u32 portnum = 0;
    359 	int off = -1;
    360 
    361 	if (!hwconfig("qe_uart"))
    362 		return;
    363 
    364 	if (hwconfig("esdhc") && esdhc_disables_uart0()) {
    365 		printf("QE UART: won't enable with esdhc.\n");
    366 		return;
    367 	}
    368 
    369 	fdt_board_disable_serial(blob, bd, "serial1");
    370 
    371 	while (1) {
    372 		const u32 *idx;
    373 		int len;
    374 
    375 		off = fdt_node_offset_by_compatible(blob, off, "ucc_geth");
    376 		if (off < 0) {
    377 			printf("WARNING: unable to fixup device tree for "
    378 				"QE UART\n");
    379 			return;
    380 		}
    381 
    382 		idx = fdt_getprop(blob, off, "cell-index", &len);
    383 		if (!idx || len != sizeof(*idx) || *idx != fdt32_to_cpu(2))
    384 			continue;
    385 		break;
    386 	}
    387 
    388 	fdt_setprop(blob, off, "device_type", devtype, strlen(devtype) + 1);
    389 	fdt_setprop(blob, off, "compatible", compat, strlen(compat) + 1);
    390 	fdt_setprop(blob, off, "tx-clock-name", clk, strlen(clk) + 1);
    391 	fdt_setprop(blob, off, "rx-clock-name", clk, strlen(clk) + 1);
    392 	fdt_setprop(blob, off, "port-number", &portnum, sizeof(portnum));
    393 
    394 	setbits_8(&bcsr[15], BCSR15_QEUART_EN);
    395 }
    396 
    397 #ifdef CONFIG_FSL_ESDHC
    398 
    399 int board_mmc_init(bd_t *bd)
    400 {
    401 	struct ccsr_gur *gur = (struct ccsr_gur *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
    402 	u8 *bcsr = (u8 *)CONFIG_SYS_BCSR_BASE;
    403 	u8 bcsr6 = BCSR6_SD_CARD_1BIT;
    404 
    405 	if (!hwconfig("esdhc"))
    406 		return 0;
    407 
    408 	printf("Enabling eSDHC...\n"
    409 	       "  For eSDHC to function, I2C2 ");
    410 	if (esdhc_disables_uart0()) {
    411 		printf("and UART0 should be disabled.\n");
    412 		printf("  Redirecting stderr, stdout and stdin to UART1...\n");
    413 		console_assign(stderr, "eserial1");
    414 		console_assign(stdout, "eserial1");
    415 		console_assign(stdin, "eserial1");
    416 		printf("Switched to UART1 (initial log has been printed to "
    417 		       "UART0).\n");
    418 
    419 		clrsetbits_be32(&gur->plppar1, PLPPAR1_UART0_BIT_MASK,
    420 					       PLPPAR1_ESDHC_4BITS_VAL);
    421 		clrsetbits_be32(&gur->plpdir1, PLPDIR1_UART0_BIT_MASK,
    422 					       PLPDIR1_ESDHC_4BITS_VAL);
    423 		bcsr6 |= BCSR6_SD_CARD_4BITS;
    424 	} else {
    425 		printf("should be disabled.\n");
    426 	}
    427 
    428 	/* Assign I2C2 signals to eSDHC. */
    429 	clrsetbits_be32(&gur->plppar1, PLPPAR1_I2C_BIT_MASK,
    430 				       PLPPAR1_ESDHC_VAL);
    431 	clrsetbits_be32(&gur->plpdir1, PLPDIR1_I2C_BIT_MASK,
    432 				       PLPDIR1_ESDHC_VAL);
    433 
    434 	/* Mux I2C2 (and optionally UART0) signals to eSDHC. */
    435 	setbits_8(&bcsr[6], bcsr6);
    436 
    437 	return fsl_esdhc_mmc_init(bd);
    438 }
    439 
    440 static void fdt_board_fixup_esdhc(void *blob, bd_t *bd)
    441 {
    442 	const char *status = "disabled";
    443 	int off = -1;
    444 
    445 	if (!hwconfig("esdhc"))
    446 		return;
    447 
    448 	if (esdhc_disables_uart0())
    449 		fdt_board_disable_serial(blob, bd, "serial0");
    450 
    451 	while (1) {
    452 		const u32 *idx;
    453 		int len;
    454 
    455 		off = fdt_node_offset_by_compatible(blob, off, "fsl-i2c");
    456 		if (off < 0)
    457 			break;
    458 
    459 		idx = fdt_getprop(blob, off, "cell-index", &len);
    460 		if (!idx || len != sizeof(*idx))
    461 			continue;
    462 
    463 		if (*idx == 1) {
    464 			fdt_setprop(blob, off, "status", status,
    465 				    strlen(status) + 1);
    466 			break;
    467 		}
    468 	}
    469 
    470 	if (hwconfig_subarg_cmp("esdhc", "mode", "4-bits")) {
    471 		off = fdt_node_offset_by_compatible(blob, -1, "fsl,esdhc");
    472 		if (off < 0) {
    473 			printf("WARNING: could not find esdhc node\n");
    474 			return;
    475 		}
    476 		fdt_delprop(blob, off, "sdhci,1-bit-only");
    477 	}
    478 }
    479 #else
    480 static inline void fdt_board_fixup_esdhc(void *blob, bd_t *bd) {}
    481 #endif
    482 
    483 static void fdt_board_fixup_qe_usb(void *blob, bd_t *bd)
    484 {
    485 	u8 *bcsr = (u8 *)CONFIG_SYS_BCSR_BASE;
    486 
    487 	if (hwconfig_subarg_cmp("qe_usb", "speed", "low"))
    488 		clrbits_8(&bcsr[17], BCSR17_nUSBLOWSPD);
    489 	else
    490 		setbits_8(&bcsr[17], BCSR17_nUSBLOWSPD);
    491 
    492 	if (hwconfig_subarg_cmp("qe_usb", "mode", "peripheral")) {
    493 		clrbits_8(&bcsr[17], BCSR17_USBVCC);
    494 		clrbits_8(&bcsr[17], BCSR17_USBMODE);
    495 		do_fixup_by_compat(blob, "fsl,mpc8569-qe-usb", "mode",
    496 				   "peripheral", sizeof("peripheral"), 1);
    497 	} else {
    498 		setbits_8(&bcsr[17], BCSR17_USBVCC);
    499 		setbits_8(&bcsr[17], BCSR17_USBMODE);
    500 	}
    501 
    502 	clrbits_8(&bcsr[17], BCSR17_nUSBEN);
    503 }
    504 
    505 #ifdef CONFIG_PCI
    506 void pci_init_board(void)
    507 {
    508 #if defined(CONFIG_PQ_MDS_PIB)
    509 	pib_init();
    510 #endif
    511 
    512 	fsl_pcie_init_board(0);
    513 }
    514 #endif /* CONFIG_PCI */
    515 
    516 #if defined(CONFIG_OF_BOARD_SETUP)
    517 int ft_board_setup(void *blob, bd_t *bd)
    518 {
    519 #if defined(CONFIG_SYS_UCC_RMII_MODE)
    520 	int nodeoff, off, err;
    521 	unsigned int val;
    522 	const u32 *ph;
    523 	const u32 *index;
    524 
    525 	/* fixup device tree for supporting rmii mode */
    526 	nodeoff = -1;
    527 	while ((nodeoff = fdt_node_offset_by_compatible(blob, nodeoff,
    528 				"ucc_geth")) >= 0) {
    529 		err = fdt_setprop_string(blob, nodeoff, "tx-clock-name",
    530 						"clk16");
    531 		if (err < 0) {
    532 			printf("WARNING: could not set tx-clock-name %s.\n",
    533 				fdt_strerror(err));
    534 			break;
    535 		}
    536 
    537 		err = fdt_fixup_phy_connection(blob, nodeoff,
    538 				PHY_INTERFACE_MODE_RMII);
    539 
    540 		if (err < 0) {
    541 			printf("WARNING: could not set phy-connection-type "
    542 				"%s.\n", fdt_strerror(err));
    543 			break;
    544 		}
    545 
    546 		index = fdt_getprop(blob, nodeoff, "cell-index", 0);
    547 		if (index == NULL) {
    548 			printf("WARNING: could not get cell-index of ucc\n");
    549 			break;
    550 		}
    551 
    552 		ph = fdt_getprop(blob, nodeoff, "phy-handle", 0);
    553 		if (ph == NULL) {
    554 			printf("WARNING: could not get phy-handle of ucc\n");
    555 			break;
    556 		}
    557 
    558 		off = fdt_node_offset_by_phandle(blob, *ph);
    559 		if (off < 0) {
    560 			printf("WARNING: could not get phy node	%s.\n",
    561 				fdt_strerror(err));
    562 			break;
    563 		}
    564 
    565 		val = 0x7 + *index; /* RMII phy address starts from 0x8 */
    566 
    567 		err = fdt_setprop(blob, off, "reg", &val, sizeof(u32));
    568 		if (err < 0) {
    569 			printf("WARNING: could not set reg for phy-handle "
    570 				"%s.\n", fdt_strerror(err));
    571 			break;
    572 		}
    573 	}
    574 #endif
    575 	ft_cpu_setup(blob, bd);
    576 
    577 	FT_FSL_PCI_SETUP;
    578 
    579 	fdt_board_fixup_esdhc(blob, bd);
    580 	fdt_board_fixup_qe_uart(blob, bd);
    581 	fdt_board_fixup_qe_usb(blob, bd);
    582 
    583 	return 0;
    584 }
    585 #endif
    586