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