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 DECLARE_GLOBAL_DATA_PTR; 32 33 static uchar ivm_content[CONFIG_SYS_IVM_EEPROM_MAX_LEN]; 34 35 const qe_iop_conf_t qe_iop_conf_tab[] = { 36 /* port pin dir open_drain assign */ 37 #if defined(CONFIG_MPC8360) 38 /* MDIO */ 39 {0, 1, 3, 0, 2}, /* MDIO */ 40 {0, 2, 1, 0, 1}, /* MDC */ 41 42 /* UCC4 - UEC */ 43 {1, 14, 1, 0, 1}, /* TxD0 */ 44 {1, 15, 1, 0, 1}, /* TxD1 */ 45 {1, 20, 2, 0, 1}, /* RxD0 */ 46 {1, 21, 2, 0, 1}, /* RxD1 */ 47 {1, 18, 1, 0, 1}, /* TX_EN */ 48 {1, 26, 2, 0, 1}, /* RX_DV */ 49 {1, 27, 2, 0, 1}, /* RX_ER */ 50 {1, 24, 2, 0, 1}, /* COL */ 51 {1, 25, 2, 0, 1}, /* CRS */ 52 {2, 15, 2, 0, 1}, /* TX_CLK - CLK16 */ 53 {2, 16, 2, 0, 1}, /* RX_CLK - CLK17 */ 54 55 /* DUART - UART2 */ 56 {5, 0, 1, 0, 2}, /* UART2_SOUT */ 57 {5, 2, 1, 0, 1}, /* UART2_RTS */ 58 {5, 3, 2, 0, 2}, /* UART2_SIN */ 59 {5, 1, 2, 0, 3}, /* UART2_CTS */ 60 #elif !defined(CONFIG_MPC8309) 61 /* Local Bus */ 62 {0, 16, 1, 0, 3}, /* LA00 */ 63 {0, 17, 1, 0, 3}, /* LA01 */ 64 {0, 18, 1, 0, 3}, /* LA02 */ 65 {0, 19, 1, 0, 3}, /* LA03 */ 66 {0, 20, 1, 0, 3}, /* LA04 */ 67 {0, 21, 1, 0, 3}, /* LA05 */ 68 {0, 22, 1, 0, 3}, /* LA06 */ 69 {0, 23, 1, 0, 3}, /* LA07 */ 70 {0, 24, 1, 0, 3}, /* LA08 */ 71 {0, 25, 1, 0, 3}, /* LA09 */ 72 {0, 26, 1, 0, 3}, /* LA10 */ 73 {0, 27, 1, 0, 3}, /* LA11 */ 74 {0, 28, 1, 0, 3}, /* LA12 */ 75 {0, 29, 1, 0, 3}, /* LA13 */ 76 {0, 30, 1, 0, 3}, /* LA14 */ 77 {0, 31, 1, 0, 3}, /* LA15 */ 78 79 /* MDIO */ 80 {3, 4, 3, 0, 2}, /* MDIO */ 81 {3, 5, 1, 0, 2}, /* MDC */ 82 83 /* UCC4 - UEC */ 84 {1, 18, 1, 0, 1}, /* TxD0 */ 85 {1, 19, 1, 0, 1}, /* TxD1 */ 86 {1, 22, 2, 0, 1}, /* RxD0 */ 87 {1, 23, 2, 0, 1}, /* RxD1 */ 88 {1, 26, 2, 0, 1}, /* RxER */ 89 {1, 28, 2, 0, 1}, /* Rx_DV */ 90 {1, 30, 1, 0, 1}, /* TxEN */ 91 {1, 31, 2, 0, 1}, /* CRS */ 92 {3, 10, 2, 0, 3}, /* TxCLK->CLK17 */ 93 #endif 94 95 /* END of table */ 96 {0, 0, 0, 0, QE_IOP_TAB_END}, 97 }; 98 99 #if defined(CONFIG_SUVD3) 100 const uint upma_table[] = { 101 0x1ffedc00, 0x0ffcdc80, 0x0ffcdc80, 0x0ffcdc04, /* Words 0 to 3 */ 102 0x0ffcdc00, 0xffffcc00, 0xffffcc01, 0xfffffc01, /* Words 4 to 7 */ 103 0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 8 to 11 */ 104 0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 12 to 15 */ 105 0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 16 to 19 */ 106 0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 20 to 23 */ 107 0x9cfffc00, 0x00fffc80, 0x00fffc80, 0x00fffc00, /* Words 24 to 27 */ 108 0xffffec04, 0xffffec01, 0xfffffc01, 0xfffffc01, /* Words 28 to 31 */ 109 0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 32 to 35 */ 110 0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 36 to 39 */ 111 0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 40 to 43 */ 112 0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 44 to 47 */ 113 0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 48 to 51 */ 114 0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 52 to 55 */ 115 0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 56 to 59 */ 116 0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01 /* Words 60 to 63 */ 117 }; 118 #endif 119 120 static int piggy_present(void) 121 { 122 struct km_bec_fpga __iomem *base = 123 (struct km_bec_fpga __iomem *)CONFIG_SYS_KMBEC_FPGA_BASE; 124 125 return in_8(&base->bprth) & PIGGY_PRESENT; 126 } 127 128 #if defined(CONFIG_KMVECT1) 129 int ethernet_present(void) 130 { 131 /* ethernet port connected to simple switch without piggy */ 132 return 1; 133 } 134 #else 135 int ethernet_present(void) 136 { 137 return piggy_present(); 138 } 139 #endif 140 141 142 int board_early_init_r(void) 143 { 144 struct km_bec_fpga *base = 145 (struct km_bec_fpga *)CONFIG_SYS_KMBEC_FPGA_BASE; 146 #if defined(CONFIG_SUVD3) 147 immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; 148 fsl_lbc_t *lbc = &immap->im_lbc; 149 u32 *mxmr = &lbc->mamr; 150 #endif 151 152 #if defined(CONFIG_MPC8360) 153 unsigned short svid; 154 /* 155 * Because of errata in the UCCs, we have to write to the reserved 156 * registers to slow the clocks down. 157 */ 158 svid = SVR_REV(mfspr(SVR)); 159 switch (svid) { 160 case 0x0020: 161 /* 162 * MPC8360ECE.pdf QE_ENET10 table 4: 163 * IMMR + 0x14A8[4:5] = 11 (clk delay for UCC 2) 164 * IMMR + 0x14A8[18:19] = 11 (clk delay for UCC 1) 165 */ 166 setbits_be32((void *)(CONFIG_SYS_IMMR + 0x14a8), 0x0c003000); 167 break; 168 case 0x0021: 169 /* 170 * MPC8360ECE.pdf QE_ENET10 table 4: 171 * IMMR + 0x14AC[24:27] = 1010 172 */ 173 clrsetbits_be32((void *)(CONFIG_SYS_IMMR + 0x14ac), 174 0x00000050, 0x000000a0); 175 break; 176 } 177 #endif 178 179 /* enable the PHY on the PIGGY */ 180 setbits_8(&base->pgy_eth, 0x01); 181 /* enable the Unit LED (green) */ 182 setbits_8(&base->oprth, WRL_BOOT); 183 /* enable Application Buffer */ 184 setbits_8(&base->oprtl, OPRTL_XBUFENA); 185 186 #if defined(CONFIG_SUVD3) 187 /* configure UPMA for APP1 */ 188 upmconfig(UPMA, (uint *) upma_table, 189 sizeof(upma_table) / sizeof(uint)); 190 out_be32(mxmr, CONFIG_SYS_MAMR); 191 #endif 192 return 0; 193 } 194 195 int misc_init_r(void) 196 { 197 ivm_read_eeprom(ivm_content, CONFIG_SYS_IVM_EEPROM_MAX_LEN); 198 return 0; 199 } 200 201 #if defined(CONFIG_KMVECT1) 202 #include <mv88e6352.h> 203 /* Marvell MV88E6122 switch configuration */ 204 static struct mv88e_sw_reg extsw_conf[] = { 205 /* port 1, FRONT_MDI, autoneg */ 206 { PORT(1), PORT_PHY, NO_SPEED_FOR }, 207 { PORT(1), PORT_CTRL, FORWARDING | EGRS_FLD_ALL }, 208 { PHY(1), PHY_1000_CTRL, NO_ADV }, 209 { PHY(1), PHY_SPEC_CTRL, AUTO_MDIX_EN }, 210 { PHY(1), PHY_CTRL, PHY_100_MBPS | AUTONEG_EN | AUTONEG_RST | 211 FULL_DUPLEX }, 212 /* port 2, unused */ 213 { PORT(2), PORT_CTRL, PORT_DIS }, 214 { PHY(2), PHY_CTRL, PHY_PWR_DOWN }, 215 { PHY(2), PHY_SPEC_CTRL, SPEC_PWR_DOWN }, 216 /* port 3, BP_MII (CPU), PHY mode, 100BASE */ 217 { PORT(3), PORT_CTRL, FORWARDING | EGRS_FLD_ALL }, 218 /* port 4, ESTAR to slot 11, SerDes, 1000BASE-X */ 219 { PORT(4), PORT_STATUS, NO_PHY_DETECT }, 220 { PORT(4), PORT_PHY, SPEED_1000_FOR }, 221 { PORT(4), PORT_CTRL, FORWARDING | EGRS_FLD_ALL }, 222 /* port 5, ESTAR to slot 13, SerDes, 1000BASE-X */ 223 { PORT(5), PORT_STATUS, NO_PHY_DETECT }, 224 { PORT(5), PORT_PHY, SPEED_1000_FOR }, 225 { PORT(5), PORT_CTRL, FORWARDING | EGRS_FLD_ALL }, 226 /* 227 * Errata Fix: 1.9V Output from Internal 1.8V Regulator, 228 * acc . MV-S300889-00D.pdf , clause 4.5 229 */ 230 { PORT(5), 0x1A, 0xADB1 }, 231 /* port 6, unused, this port has no phy */ 232 { PORT(6), PORT_CTRL, PORT_DIS }, 233 /* 234 * Errata Fix: 1.9V Output from Internal 1.8V Regulator, 235 * acc . MV-S300889-00D.pdf , clause 4.5 236 */ 237 { PORT(5), 0x1A, 0xADB1 }, 238 }; 239 #endif 240 241 int last_stage_init(void) 242 { 243 #if defined(CONFIG_KMVECT1) 244 struct km_bec_fpga __iomem *base = 245 (struct km_bec_fpga __iomem *)CONFIG_SYS_KMBEC_FPGA_BASE; 246 u8 tmp_reg; 247 248 /* Release mv88e6122 from reset */ 249 tmp_reg = in_8(&base->res1[0]) | 0x10; /* DIRECT3 register */ 250 out_8(&base->res1[0], tmp_reg); /* GP28 as output */ 251 tmp_reg = in_8(&base->gprt3) | 0x10; /* GP28 to high */ 252 out_8(&base->gprt3, tmp_reg); 253 254 /* configure MV88E6122 switch */ 255 char *name = "UEC2"; 256 257 if (miiphy_set_current_dev(name)) 258 return 0; 259 260 mv88e_sw_program(name, CONFIG_KM_MVEXTSW_ADDR, extsw_conf, 261 ARRAY_SIZE(extsw_conf)); 262 263 mv88e_sw_reset(name, CONFIG_KM_MVEXTSW_ADDR); 264 265 if (piggy_present()) { 266 env_set("ethact", "UEC2"); 267 env_set("netdev", "eth1"); 268 puts("using PIGGY for network boot\n"); 269 } else { 270 env_set("netdev", "eth0"); 271 puts("using frontport for network boot\n"); 272 } 273 #endif 274 275 #if defined(CONFIG_KMCOGE5NE) 276 struct bfticu_iomap *base = 277 (struct bfticu_iomap *)CONFIG_SYS_BFTIC3_BASE; 278 u8 dip_switch = in_8((u8 *)&(base->mswitch)) & BFTICU_DIPSWITCH_MASK; 279 280 if (dip_switch != 0) { 281 /* start bootloader */ 282 puts("DIP: Enabled\n"); 283 env_set("actual_bank", "0"); 284 } 285 #endif 286 set_km_env(); 287 return 0; 288 } 289 290 static int fixed_sdram(void) 291 { 292 immap_t *im = (immap_t *)CONFIG_SYS_IMMR; 293 u32 msize = 0; 294 u32 ddr_size; 295 u32 ddr_size_log2; 296 297 out_be32(&im->sysconf.ddrlaw[0].ar, (LAWAR_EN | 0x1e)); 298 out_be32(&im->ddr.csbnds[0].csbnds, (CONFIG_SYS_DDR_CS0_BNDS) | 0x7f); 299 out_be32(&im->ddr.cs_config[0], CONFIG_SYS_DDR_CS0_CONFIG); 300 out_be32(&im->ddr.timing_cfg_0, CONFIG_SYS_DDR_TIMING_0); 301 out_be32(&im->ddr.timing_cfg_1, CONFIG_SYS_DDR_TIMING_1); 302 out_be32(&im->ddr.timing_cfg_2, CONFIG_SYS_DDR_TIMING_2); 303 out_be32(&im->ddr.timing_cfg_3, CONFIG_SYS_DDR_TIMING_3); 304 out_be32(&im->ddr.sdram_cfg, CONFIG_SYS_DDR_SDRAM_CFG); 305 out_be32(&im->ddr.sdram_cfg2, CONFIG_SYS_DDR_SDRAM_CFG2); 306 out_be32(&im->ddr.sdram_mode, CONFIG_SYS_DDR_MODE); 307 out_be32(&im->ddr.sdram_mode2, CONFIG_SYS_DDR_MODE2); 308 out_be32(&im->ddr.sdram_interval, CONFIG_SYS_DDR_INTERVAL); 309 out_be32(&im->ddr.sdram_clk_cntl, CONFIG_SYS_DDR_CLK_CNTL); 310 udelay(200); 311 setbits_be32(&im->ddr.sdram_cfg, SDRAM_CFG_MEM_EN); 312 313 msize = CONFIG_SYS_DDR_SIZE << 20; 314 disable_addr_trans(); 315 msize = get_ram_size(CONFIG_SYS_DDR_BASE, msize); 316 enable_addr_trans(); 317 msize /= (1024 * 1024); 318 if (CONFIG_SYS_DDR_SIZE != msize) { 319 for (ddr_size = msize << 20, ddr_size_log2 = 0; 320 (ddr_size > 1); 321 ddr_size = ddr_size >> 1, ddr_size_log2++) 322 if (ddr_size & 1) 323 return -1; 324 out_be32(&im->sysconf.ddrlaw[0].ar, 325 (LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE))); 326 out_be32(&im->ddr.csbnds[0].csbnds, 327 (((msize / 16) - 1) & 0xff)); 328 } 329 330 return msize; 331 } 332 333 int dram_init(void) 334 { 335 immap_t *im = (immap_t *)CONFIG_SYS_IMMR; 336 u32 msize = 0; 337 338 if ((in_be32(&im->sysconf.immrbar) & IMMRBAR_BASE_ADDR) != (u32)im) 339 return -ENXIO; 340 341 out_be32(&im->sysconf.ddrlaw[0].bar, 342 CONFIG_SYS_DDR_BASE & LAWBAR_BAR); 343 msize = fixed_sdram(); 344 345 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 346 /* 347 * Initialize DDR ECC byte 348 */ 349 ddr_enable_ecc(msize * 1024 * 1024); 350 #endif 351 352 /* return total bus SDRAM size(bytes) -- DDR */ 353 gd->ram_size = msize * 1024 * 1024; 354 355 return 0; 356 } 357 358 int checkboard(void) 359 { 360 puts("Board: Keymile " CONFIG_KM_BOARD_NAME); 361 362 if (piggy_present()) 363 puts(" with PIGGY."); 364 puts("\n"); 365 return 0; 366 } 367 368 int ft_board_setup(void *blob, bd_t *bd) 369 { 370 ft_cpu_setup(blob, bd); 371 372 return 0; 373 } 374 375 #if defined(CONFIG_HUSH_INIT_VAR) 376 int hush_init_var(void) 377 { 378 ivm_analyze_eeprom(ivm_content, CONFIG_SYS_IVM_EEPROM_MAX_LEN); 379 return 0; 380 } 381 #endif 382 383 #if defined(CONFIG_POST) 384 int post_hotkeys_pressed(void) 385 { 386 int testpin = 0; 387 struct km_bec_fpga *base = 388 (struct km_bec_fpga *)CONFIG_SYS_KMBEC_FPGA_BASE; 389 int testpin_reg = in_8(&base->CONFIG_TESTPIN_REG); 390 testpin = (testpin_reg & CONFIG_TESTPIN_MASK) != 0; 391 debug("post_hotkeys_pressed: %d\n", !testpin); 392 return testpin; 393 } 394 395 ulong post_word_load(void) 396 { 397 void* addr = (ulong *) (CPM_POST_WORD_ADDR); 398 debug("post_word_load 0x%08lX: 0x%08X\n", (ulong)addr, in_le32(addr)); 399 return in_le32(addr); 400 401 } 402 void post_word_store(ulong value) 403 { 404 void* addr = (ulong *) (CPM_POST_WORD_ADDR); 405 debug("post_word_store 0x%08lX: 0x%08lX\n", (ulong)addr, value); 406 out_le32(addr, value); 407 } 408 409 int arch_memory_test_prepare(u32 *vstart, u32 *size, phys_addr_t *phys_offset) 410 { 411 *vstart = CONFIG_SYS_MEMTEST_START; 412 *size = CONFIG_SYS_MEMTEST_END - CONFIG_SYS_MEMTEST_START; 413 debug("arch_memory_test_prepare 0x%08X 0x%08X\n", *vstart, *size); 414 415 return 0; 416 } 417 #endif 418