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      1 // SPDX-License-Identifier: GPL-2.0+
      2 /*
      3  * Copyright (C) 2006 Freescale Semiconductor, Inc.
      4  *                    Dave Liu <daveliu (at) freescale.com>
      5  *
      6  * Copyright (C) 2007 Logic Product Development, Inc.
      7  *                    Peter Barada <peterb (at) logicpd.com>
      8  *
      9  * Copyright (C) 2007 MontaVista Software, Inc.
     10  *                    Anton Vorontsov <avorontsov (at) ru.mvista.com>
     11  *
     12  * (C) Copyright 2008 - 2010
     13  * Heiko Schocher, DENX Software Engineering, hs (at) denx.de.
     14  */
     15 
     16 #include <common.h>
     17 #include <ioports.h>
     18 #include <mpc83xx.h>
     19 #include <i2c.h>
     20 #include <miiphy.h>
     21 #include <asm/io.h>
     22 #include <asm/mmu.h>
     23 #include <asm/processor.h>
     24 #include <pci.h>
     25 #include <linux/libfdt.h>
     26 #include <post.h>
     27 
     28 #include "../common/common.h"
     29 
     30 DECLARE_GLOBAL_DATA_PTR;
     31 
     32 static uchar ivm_content[CONFIG_SYS_IVM_EEPROM_MAX_LEN];
     33 
     34 const qe_iop_conf_t qe_iop_conf_tab[] = {
     35 	/* port pin dir open_drain assign */
     36 #if defined(CONFIG_MPC8360)
     37 	/* MDIO */
     38 	{0,  1, 3, 0, 2}, /* MDIO */
     39 	{0,  2, 1, 0, 1}, /* MDC */
     40 
     41 	/* UCC4 - UEC */
     42 	{1, 14, 1, 0, 1}, /* TxD0 */
     43 	{1, 15, 1, 0, 1}, /* TxD1 */
     44 	{1, 20, 2, 0, 1}, /* RxD0 */
     45 	{1, 21, 2, 0, 1}, /* RxD1 */
     46 	{1, 18, 1, 0, 1}, /* TX_EN */
     47 	{1, 26, 2, 0, 1}, /* RX_DV */
     48 	{1, 27, 2, 0, 1}, /* RX_ER */
     49 	{1, 24, 2, 0, 1}, /* COL */
     50 	{1, 25, 2, 0, 1}, /* CRS */
     51 	{2, 15, 2, 0, 1}, /* TX_CLK - CLK16 */
     52 	{2, 16, 2, 0, 1}, /* RX_CLK - CLK17 */
     53 
     54 	/* DUART - UART2 */
     55 	{5,  0, 1, 0, 2}, /* UART2_SOUT */
     56 	{5,  2, 1, 0, 1}, /* UART2_RTS */
     57 	{5,  3, 2, 0, 2}, /* UART2_SIN */
     58 	{5,  1, 2, 0, 3}, /* UART2_CTS */
     59 #elif !defined(CONFIG_MPC8309)
     60 	/* Local Bus */
     61 	{0, 16, 1, 0, 3}, /* LA00 */
     62 	{0, 17, 1, 0, 3}, /* LA01 */
     63 	{0, 18, 1, 0, 3}, /* LA02 */
     64 	{0, 19, 1, 0, 3}, /* LA03 */
     65 	{0, 20, 1, 0, 3}, /* LA04 */
     66 	{0, 21, 1, 0, 3}, /* LA05 */
     67 	{0, 22, 1, 0, 3}, /* LA06 */
     68 	{0, 23, 1, 0, 3}, /* LA07 */
     69 	{0, 24, 1, 0, 3}, /* LA08 */
     70 	{0, 25, 1, 0, 3}, /* LA09 */
     71 	{0, 26, 1, 0, 3}, /* LA10 */
     72 	{0, 27, 1, 0, 3}, /* LA11 */
     73 	{0, 28, 1, 0, 3}, /* LA12 */
     74 	{0, 29, 1, 0, 3}, /* LA13 */
     75 	{0, 30, 1, 0, 3}, /* LA14 */
     76 	{0, 31, 1, 0, 3}, /* LA15 */
     77 
     78 	/* MDIO */
     79 	{3,  4, 3, 0, 2}, /* MDIO */
     80 	{3,  5, 1, 0, 2}, /* MDC */
     81 
     82 	/* UCC4 - UEC */
     83 	{1, 18, 1, 0, 1}, /* TxD0 */
     84 	{1, 19, 1, 0, 1}, /* TxD1 */
     85 	{1, 22, 2, 0, 1}, /* RxD0 */
     86 	{1, 23, 2, 0, 1}, /* RxD1 */
     87 	{1, 26, 2, 0, 1}, /* RxER */
     88 	{1, 28, 2, 0, 1}, /* Rx_DV */
     89 	{1, 30, 1, 0, 1}, /* TxEN */
     90 	{1, 31, 2, 0, 1}, /* CRS */
     91 	{3, 10, 2, 0, 3}, /* TxCLK->CLK17 */
     92 #endif
     93 
     94 	/* END of table */
     95 	{0,  0, 0, 0, QE_IOP_TAB_END},
     96 };
     97 
     98 #if defined(CONFIG_SUVD3)
     99 const uint upma_table[] = {
    100 	0x1ffedc00, 0x0ffcdc80, 0x0ffcdc80, 0x0ffcdc04, /* Words 0 to 3 */
    101 	0x0ffcdc00, 0xffffcc00, 0xffffcc01, 0xfffffc01, /* Words 4 to 7 */
    102 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 8 to 11 */
    103 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 12 to 15 */
    104 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 16 to 19 */
    105 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 20 to 23 */
    106 	0x9cfffc00, 0x00fffc80, 0x00fffc80, 0x00fffc00, /* Words 24 to 27 */
    107 	0xffffec04, 0xffffec01, 0xfffffc01, 0xfffffc01, /* Words 28 to 31 */
    108 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 32 to 35 */
    109 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 36 to 39 */
    110 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 40 to 43 */
    111 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 44 to 47 */
    112 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 48 to 51 */
    113 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 52 to 55 */
    114 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 56 to 59 */
    115 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01  /* Words 60 to 63 */
    116 };
    117 #endif
    118 
    119 static int piggy_present(void)
    120 {
    121 	struct km_bec_fpga __iomem *base =
    122 		(struct km_bec_fpga __iomem *)CONFIG_SYS_KMBEC_FPGA_BASE;
    123 
    124 	return in_8(&base->bprth) & PIGGY_PRESENT;
    125 }
    126 
    127 #if defined(CONFIG_KMVECT1)
    128 int ethernet_present(void)
    129 {
    130 	/* ethernet port connected to simple switch without piggy */
    131 	return 1;
    132 }
    133 #else
    134 int ethernet_present(void)
    135 {
    136 	return piggy_present();
    137 }
    138 #endif
    139 
    140 
    141 int board_early_init_r(void)
    142 {
    143 	struct km_bec_fpga *base =
    144 		(struct km_bec_fpga *)CONFIG_SYS_KMBEC_FPGA_BASE;
    145 #if defined(CONFIG_SUVD3)
    146 	immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
    147 	fsl_lbc_t *lbc = &immap->im_lbc;
    148 	u32 *mxmr = &lbc->mamr;
    149 #endif
    150 
    151 #if defined(CONFIG_MPC8360)
    152 	unsigned short	svid;
    153 	/*
    154 	 * Because of errata in the UCCs, we have to write to the reserved
    155 	 * registers to slow the clocks down.
    156 	 */
    157 	svid =  SVR_REV(mfspr(SVR));
    158 	switch (svid) {
    159 	case 0x0020:
    160 		/*
    161 		 * MPC8360ECE.pdf QE_ENET10 table 4:
    162 		 * IMMR + 0x14A8[4:5] = 11 (clk delay for UCC 2)
    163 		 * IMMR + 0x14A8[18:19] = 11 (clk delay for UCC 1)
    164 		 */
    165 		setbits_be32((void *)(CONFIG_SYS_IMMR + 0x14a8), 0x0c003000);
    166 		break;
    167 	case 0x0021:
    168 		/*
    169 		 * MPC8360ECE.pdf QE_ENET10 table 4:
    170 		 * IMMR + 0x14AC[24:27] = 1010
    171 		 */
    172 		clrsetbits_be32((void *)(CONFIG_SYS_IMMR + 0x14ac),
    173 			0x00000050, 0x000000a0);
    174 		break;
    175 	}
    176 #endif
    177 
    178 	/* enable the PHY on the PIGGY */
    179 	setbits_8(&base->pgy_eth, 0x01);
    180 	/* enable the Unit LED (green) */
    181 	setbits_8(&base->oprth, WRL_BOOT);
    182 	/* enable Application Buffer */
    183 	setbits_8(&base->oprtl, OPRTL_XBUFENA);
    184 
    185 #if defined(CONFIG_SUVD3)
    186 	/* configure UPMA for APP1 */
    187 	upmconfig(UPMA, (uint *) upma_table,
    188 		sizeof(upma_table) / sizeof(uint));
    189 	out_be32(mxmr, CONFIG_SYS_MAMR);
    190 #endif
    191 	return 0;
    192 }
    193 
    194 int misc_init_r(void)
    195 {
    196 	ivm_read_eeprom(ivm_content, CONFIG_SYS_IVM_EEPROM_MAX_LEN);
    197 	return 0;
    198 }
    199 
    200 #if defined(CONFIG_KMVECT1)
    201 #include <mv88e6352.h>
    202 /* Marvell MV88E6122 switch configuration */
    203 static struct mv88e_sw_reg extsw_conf[] = {
    204 	/* port 1, FRONT_MDI, autoneg */
    205 	{ PORT(1), PORT_PHY, NO_SPEED_FOR },
    206 	{ PORT(1), PORT_CTRL, FORWARDING | EGRS_FLD_ALL },
    207 	{ PHY(1), PHY_1000_CTRL, NO_ADV },
    208 	{ PHY(1), PHY_SPEC_CTRL, AUTO_MDIX_EN },
    209 	{ PHY(1), PHY_CTRL, PHY_100_MBPS | AUTONEG_EN | AUTONEG_RST |
    210 		FULL_DUPLEX },
    211 	/* port 2, unused */
    212 	{ PORT(2), PORT_CTRL, PORT_DIS },
    213 	{ PHY(2), PHY_CTRL, PHY_PWR_DOWN },
    214 	{ PHY(2), PHY_SPEC_CTRL, SPEC_PWR_DOWN },
    215 	/* port 3, BP_MII (CPU), PHY mode, 100BASE */
    216 	{ PORT(3), PORT_CTRL, FORWARDING | EGRS_FLD_ALL },
    217 	/* port 4, ESTAR to slot 11, SerDes, 1000BASE-X */
    218 	{ PORT(4), PORT_STATUS, NO_PHY_DETECT },
    219 	{ PORT(4), PORT_PHY, SPEED_1000_FOR },
    220 	{ PORT(4), PORT_CTRL, FORWARDING | EGRS_FLD_ALL },
    221 	/* port 5, ESTAR to slot 13, SerDes, 1000BASE-X */
    222 	{ PORT(5), PORT_STATUS, NO_PHY_DETECT },
    223 	{ PORT(5), PORT_PHY, SPEED_1000_FOR },
    224 	{ PORT(5), PORT_CTRL, FORWARDING | EGRS_FLD_ALL },
    225 	/*
    226 	 * Errata Fix: 1.9V Output from Internal 1.8V Regulator,
    227 	 * acc . MV-S300889-00D.pdf , clause 4.5
    228 	 */
    229 	{ PORT(5), 0x1A, 0xADB1 },
    230 	/* port 6, unused, this port has no phy */
    231 	{ PORT(6), PORT_CTRL, PORT_DIS },
    232 	/*
    233 	 * Errata Fix: 1.9V Output from Internal 1.8V Regulator,
    234 	 * acc . MV-S300889-00D.pdf , clause 4.5
    235 	 */
    236 	{ PORT(5), 0x1A, 0xADB1 },
    237 };
    238 #endif
    239 
    240 int last_stage_init(void)
    241 {
    242 #if defined(CONFIG_KMVECT1)
    243 	struct km_bec_fpga __iomem *base =
    244 		(struct km_bec_fpga __iomem *)CONFIG_SYS_KMBEC_FPGA_BASE;
    245 	u8 tmp_reg;
    246 
    247 	/* Release mv88e6122 from reset */
    248 	tmp_reg = in_8(&base->res1[0]) | 0x10; /* DIRECT3 register */
    249 	out_8(&base->res1[0], tmp_reg);	       /* GP28 as output */
    250 	tmp_reg = in_8(&base->gprt3) | 0x10;   /* GP28 to high */
    251 	out_8(&base->gprt3, tmp_reg);
    252 
    253 	/* configure MV88E6122 switch */
    254 	char *name = "UEC2";
    255 
    256 	if (miiphy_set_current_dev(name))
    257 		return 0;
    258 
    259 	mv88e_sw_program(name, CONFIG_KM_MVEXTSW_ADDR, extsw_conf,
    260 		ARRAY_SIZE(extsw_conf));
    261 
    262 	mv88e_sw_reset(name, CONFIG_KM_MVEXTSW_ADDR);
    263 
    264 	if (piggy_present()) {
    265 		env_set("ethact", "UEC2");
    266 		env_set("netdev", "eth1");
    267 		puts("using PIGGY for network boot\n");
    268 	} else {
    269 		env_set("netdev", "eth0");
    270 		puts("using frontport for network boot\n");
    271 	}
    272 #endif
    273 
    274 #if defined(CONFIG_KMCOGE5NE)
    275 	struct bfticu_iomap *base =
    276 		(struct bfticu_iomap *)CONFIG_SYS_BFTIC3_BASE;
    277 	u8 dip_switch = in_8((u8 *)&(base->mswitch)) & BFTICU_DIPSWITCH_MASK;
    278 
    279 	if (dip_switch != 0) {
    280 		/* start bootloader */
    281 		puts("DIP:   Enabled\n");
    282 		env_set("actual_bank", "0");
    283 	}
    284 #endif
    285 	set_km_env();
    286 	return 0;
    287 }
    288 
    289 static int fixed_sdram(void)
    290 {
    291 	immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
    292 	u32 msize = 0;
    293 	u32 ddr_size;
    294 	u32 ddr_size_log2;
    295 
    296 	out_be32(&im->sysconf.ddrlaw[0].ar, (LAWAR_EN | 0x1e));
    297 	out_be32(&im->ddr.csbnds[0].csbnds, (CONFIG_SYS_DDR_CS0_BNDS) | 0x7f);
    298 	out_be32(&im->ddr.cs_config[0], CONFIG_SYS_DDR_CS0_CONFIG);
    299 	out_be32(&im->ddr.timing_cfg_0, CONFIG_SYS_DDR_TIMING_0);
    300 	out_be32(&im->ddr.timing_cfg_1, CONFIG_SYS_DDR_TIMING_1);
    301 	out_be32(&im->ddr.timing_cfg_2, CONFIG_SYS_DDR_TIMING_2);
    302 	out_be32(&im->ddr.timing_cfg_3, CONFIG_SYS_DDR_TIMING_3);
    303 	out_be32(&im->ddr.sdram_cfg, CONFIG_SYS_DDR_SDRAM_CFG);
    304 	out_be32(&im->ddr.sdram_cfg2, CONFIG_SYS_DDR_SDRAM_CFG2);
    305 	out_be32(&im->ddr.sdram_mode, CONFIG_SYS_DDR_MODE);
    306 	out_be32(&im->ddr.sdram_mode2, CONFIG_SYS_DDR_MODE2);
    307 	out_be32(&im->ddr.sdram_interval, CONFIG_SYS_DDR_INTERVAL);
    308 	out_be32(&im->ddr.sdram_clk_cntl, CONFIG_SYS_DDR_CLK_CNTL);
    309 	udelay(200);
    310 	setbits_be32(&im->ddr.sdram_cfg, SDRAM_CFG_MEM_EN);
    311 
    312 	msize = CONFIG_SYS_DDR_SIZE << 20;
    313 	disable_addr_trans();
    314 	msize = get_ram_size(CONFIG_SYS_DDR_BASE, msize);
    315 	enable_addr_trans();
    316 	msize /= (1024 * 1024);
    317 	if (CONFIG_SYS_DDR_SIZE != msize) {
    318 		for (ddr_size = msize << 20, ddr_size_log2 = 0;
    319 			(ddr_size > 1);
    320 			ddr_size = ddr_size >> 1, ddr_size_log2++)
    321 			if (ddr_size & 1)
    322 				return -1;
    323 		out_be32(&im->sysconf.ddrlaw[0].ar,
    324 			(LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE)));
    325 		out_be32(&im->ddr.csbnds[0].csbnds,
    326 			(((msize / 16) - 1) & 0xff));
    327 	}
    328 
    329 	return msize;
    330 }
    331 
    332 int dram_init(void)
    333 {
    334 	immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
    335 	u32 msize = 0;
    336 
    337 	if ((in_be32(&im->sysconf.immrbar) & IMMRBAR_BASE_ADDR) != (u32)im)
    338 		return -ENXIO;
    339 
    340 	out_be32(&im->sysconf.ddrlaw[0].bar,
    341 		CONFIG_SYS_DDR_BASE & LAWBAR_BAR);
    342 	msize = fixed_sdram();
    343 
    344 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
    345 	/*
    346 	 * Initialize DDR ECC byte
    347 	 */
    348 	ddr_enable_ecc(msize * 1024 * 1024);
    349 #endif
    350 
    351 	/* return total bus SDRAM size(bytes)  -- DDR */
    352 	gd->ram_size = msize * 1024 * 1024;
    353 
    354 	return 0;
    355 }
    356 
    357 int checkboard(void)
    358 {
    359 	puts("Board: Keymile " CONFIG_KM_BOARD_NAME);
    360 
    361 	if (piggy_present())
    362 		puts(" with PIGGY.");
    363 	puts("\n");
    364 	return 0;
    365 }
    366 
    367 int ft_board_setup(void *blob, bd_t *bd)
    368 {
    369 	ft_cpu_setup(blob, bd);
    370 
    371 	return 0;
    372 }
    373 
    374 #if defined(CONFIG_HUSH_INIT_VAR)
    375 int hush_init_var(void)
    376 {
    377 	ivm_analyze_eeprom(ivm_content, CONFIG_SYS_IVM_EEPROM_MAX_LEN);
    378 	return 0;
    379 }
    380 #endif
    381 
    382 #if defined(CONFIG_POST)
    383 int post_hotkeys_pressed(void)
    384 {
    385 	int testpin = 0;
    386 	struct km_bec_fpga *base =
    387 		(struct km_bec_fpga *)CONFIG_SYS_KMBEC_FPGA_BASE;
    388 	int testpin_reg = in_8(&base->CONFIG_TESTPIN_REG);
    389 	testpin = (testpin_reg & CONFIG_TESTPIN_MASK) != 0;
    390 	debug("post_hotkeys_pressed: %d\n", !testpin);
    391 	return testpin;
    392 }
    393 
    394 ulong post_word_load(void)
    395 {
    396 	void* addr = (ulong *) (CPM_POST_WORD_ADDR);
    397 	debug("post_word_load 0x%08lX:  0x%08X\n", (ulong)addr, in_le32(addr));
    398 	return in_le32(addr);
    399 
    400 }
    401 void post_word_store(ulong value)
    402 {
    403 	void* addr = (ulong *) (CPM_POST_WORD_ADDR);
    404 	debug("post_word_store 0x%08lX: 0x%08lX\n", (ulong)addr, value);
    405 	out_le32(addr, value);
    406 }
    407 
    408 int arch_memory_test_prepare(u32 *vstart, u32 *size, phys_addr_t *phys_offset)
    409 {
    410 	*vstart = CONFIG_SYS_MEMTEST_START;
    411 	*size = CONFIG_SYS_MEMTEST_END - CONFIG_SYS_MEMTEST_START;
    412 	debug("arch_memory_test_prepare 0x%08X 0x%08X\n", *vstart, *size);
    413 
    414 	return 0;
    415 }
    416 #endif
    417