1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright 2013 Freescale Semiconductor, Inc. 4 */ 5 6 #include <common.h> 7 #include <asm/io.h> 8 #include <asm/arch/imx-regs.h> 9 #include <asm/arch/iomux-vf610.h> 10 #include <asm/arch/ddrmc-vf610.h> 11 #include <asm/arch/crm_regs.h> 12 #include <asm/arch/clock.h> 13 #include <mmc.h> 14 #include <fsl_esdhc.h> 15 #include <miiphy.h> 16 #include <netdev.h> 17 #include <i2c.h> 18 19 DECLARE_GLOBAL_DATA_PTR; 20 21 #define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ 22 PAD_CTL_DSE_25ohm | PAD_CTL_OBE_IBE_ENABLE) 23 24 #define ESDHC_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_HIGH | \ 25 PAD_CTL_DSE_20ohm | PAD_CTL_OBE_IBE_ENABLE) 26 27 #define ENET_PAD_CTRL (PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_HIGH | \ 28 PAD_CTL_DSE_50ohm | PAD_CTL_OBE_IBE_ENABLE) 29 30 static struct ddrmc_cr_setting vf610twr_cr_settings[] = { 31 /* levelling */ 32 { DDRMC_CR97_WRLVL_EN, 97 }, 33 { DDRMC_CR98_WRLVL_DL_0(0), 98 }, 34 { DDRMC_CR99_WRLVL_DL_1(0), 99 }, 35 { DDRMC_CR102_RDLVL_REG_EN | DDRMC_CR102_RDLVL_GT_REGEN, 102 }, 36 { DDRMC_CR105_RDLVL_DL_0(0), 105 }, 37 { DDRMC_CR106_RDLVL_GTDL_0(4), 106 }, 38 { DDRMC_CR110_RDLVL_DL_1(0) | DDRMC_CR110_RDLVL_GTDL_1(4), 110 }, 39 /* AXI */ 40 { DDRMC_CR117_AXI0_W_PRI(0) | DDRMC_CR117_AXI0_R_PRI(0), 117 }, 41 { DDRMC_CR118_AXI1_W_PRI(1) | DDRMC_CR118_AXI1_R_PRI(1), 118 }, 42 { DDRMC_CR120_AXI0_PRI1_RPRI(2) | 43 DDRMC_CR120_AXI0_PRI0_RPRI(2), 120 }, 44 { DDRMC_CR121_AXI0_PRI3_RPRI(2) | 45 DDRMC_CR121_AXI0_PRI2_RPRI(2), 121 }, 46 { DDRMC_CR122_AXI1_PRI1_RPRI(1) | DDRMC_CR122_AXI1_PRI0_RPRI(1) | 47 DDRMC_CR122_AXI0_PRIRLX(100), 122 }, 48 { DDRMC_CR123_AXI1_P_ODR_EN | DDRMC_CR123_AXI1_PRI3_RPRI(1) | 49 DDRMC_CR123_AXI1_PRI2_RPRI(1), 123 }, 50 { DDRMC_CR124_AXI1_PRIRLX(100), 124 }, 51 { DDRMC_CR126_PHY_RDLAT(8), 126 }, 52 { DDRMC_CR132_WRLAT_ADJ(5) | 53 DDRMC_CR132_RDLAT_ADJ(6), 132 }, 54 { DDRMC_CR137_PHYCTL_DL(2), 137 }, 55 { DDRMC_CR138_PHY_WRLV_MXDL(256) | 56 DDRMC_CR138_PHYDRAM_CK_EN(1), 138 }, 57 { DDRMC_CR139_PHY_WRLV_RESPLAT(4) | DDRMC_CR139_PHY_WRLV_LOAD(7) | 58 DDRMC_CR139_PHY_WRLV_DLL(3) | 59 DDRMC_CR139_PHY_WRLV_EN(3), 139 }, 60 { DDRMC_CR140_PHY_WRLV_WW(64), 140 }, 61 { DDRMC_CR143_RDLV_GAT_MXDL(1536) | 62 DDRMC_CR143_RDLV_MXDL(128), 143 }, 63 { DDRMC_CR144_PHY_RDLVL_RES(4) | DDRMC_CR144_PHY_RDLV_LOAD(7) | 64 DDRMC_CR144_PHY_RDLV_DLL(3) | 65 DDRMC_CR144_PHY_RDLV_EN(3), 144 }, 66 { DDRMC_CR145_PHY_RDLV_RR(64), 145 }, 67 { DDRMC_CR146_PHY_RDLVL_RESP(64), 146 }, 68 { DDRMC_CR147_RDLV_RESP_MASK(983040), 147 }, 69 { DDRMC_CR148_RDLV_GATE_RESP_MASK(983040), 148 }, 70 { DDRMC_CR151_RDLV_GAT_DQ_ZERO_CNT(1) | 71 DDRMC_CR151_RDLVL_DQ_ZERO_CNT(1), 151 }, 72 73 { DDRMC_CR154_PAD_ZQ_EARLY_CMP_EN_TIMER(13) | 74 DDRMC_CR154_PAD_ZQ_MODE(1) | 75 DDRMC_CR154_DDR_SEL_PAD_CONTR(3) | 76 DDRMC_CR154_PAD_ZQ_HW_FOR(1), 154 }, 77 { DDRMC_CR155_PAD_ODT_BYTE1(1) | DDRMC_CR155_PAD_ODT_BYTE0(1), 155 }, 78 { DDRMC_CR158_TWR(6), 158 }, 79 { DDRMC_CR161_ODT_EN(1) | DDRMC_CR161_TODTH_RD(2) | 80 DDRMC_CR161_TODTH_WR(2), 161 }, 81 /* end marker */ 82 { 0, -1 } 83 }; 84 85 int dram_init(void) 86 { 87 static const struct ddr3_jedec_timings timings = { 88 .tinit = 5, 89 .trst_pwron = 80000, 90 .cke_inactive = 200000, 91 .wrlat = 5, 92 .caslat_lin = 12, 93 .trc = 21, 94 .trrd = 4, 95 .tccd = 4, 96 .tbst_int_interval = 0, 97 .tfaw = 20, 98 .trp = 6, 99 .twtr = 4, 100 .tras_min = 15, 101 .tmrd = 4, 102 .trtp = 4, 103 .tras_max = 28080, 104 .tmod = 12, 105 .tckesr = 4, 106 .tcke = 3, 107 .trcd_int = 6, 108 .tras_lockout = 0, 109 .tdal = 12, 110 .bstlen = 3, 111 .tdll = 512, 112 .trp_ab = 6, 113 .tref = 3120, 114 .trfc = 44, 115 .tref_int = 0, 116 .tpdex = 3, 117 .txpdll = 10, 118 .txsnr = 48, 119 .txsr = 468, 120 .cksrx = 5, 121 .cksre = 5, 122 .freq_chg_en = 0, 123 .zqcl = 256, 124 .zqinit = 512, 125 .zqcs = 64, 126 .ref_per_zq = 64, 127 .zqcs_rotate = 0, 128 .aprebit = 10, 129 .cmd_age_cnt = 64, 130 .age_cnt = 64, 131 .q_fullness = 7, 132 .odt_rd_mapcs0 = 0, 133 .odt_wr_mapcs0 = 1, 134 .wlmrd = 40, 135 .wldqsen = 25, 136 }; 137 138 ddrmc_setup_iomux(NULL, 0); 139 140 ddrmc_ctrl_init_ddr3(&timings, vf610twr_cr_settings, NULL, 1, 3); 141 gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE); 142 143 return 0; 144 } 145 146 static void setup_iomux_uart(void) 147 { 148 static const iomux_v3_cfg_t uart1_pads[] = { 149 NEW_PAD_CTRL(VF610_PAD_PTB4__UART1_TX, UART_PAD_CTRL), 150 NEW_PAD_CTRL(VF610_PAD_PTB5__UART1_RX, UART_PAD_CTRL), 151 }; 152 153 imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); 154 } 155 156 static void setup_iomux_enet(void) 157 { 158 static const iomux_v3_cfg_t enet0_pads[] = { 159 NEW_PAD_CTRL(VF610_PAD_PTA6__RMII0_CLKIN, ENET_PAD_CTRL), 160 NEW_PAD_CTRL(VF610_PAD_PTC1__RMII0_MDIO, ENET_PAD_CTRL), 161 NEW_PAD_CTRL(VF610_PAD_PTC0__RMII0_MDC, ENET_PAD_CTRL), 162 NEW_PAD_CTRL(VF610_PAD_PTC2__RMII0_CRS_DV, ENET_PAD_CTRL), 163 NEW_PAD_CTRL(VF610_PAD_PTC3__RMII0_RD1, ENET_PAD_CTRL), 164 NEW_PAD_CTRL(VF610_PAD_PTC4__RMII0_RD0, ENET_PAD_CTRL), 165 NEW_PAD_CTRL(VF610_PAD_PTC5__RMII0_RXER, ENET_PAD_CTRL), 166 NEW_PAD_CTRL(VF610_PAD_PTC6__RMII0_TD1, ENET_PAD_CTRL), 167 NEW_PAD_CTRL(VF610_PAD_PTC7__RMII0_TD0, ENET_PAD_CTRL), 168 NEW_PAD_CTRL(VF610_PAD_PTC8__RMII0_TXEN, ENET_PAD_CTRL), 169 }; 170 171 imx_iomux_v3_setup_multiple_pads(enet0_pads, ARRAY_SIZE(enet0_pads)); 172 } 173 174 static void setup_iomux_i2c(void) 175 { 176 static const iomux_v3_cfg_t i2c0_pads[] = { 177 VF610_PAD_PTB14__I2C0_SCL, 178 VF610_PAD_PTB15__I2C0_SDA, 179 }; 180 181 imx_iomux_v3_setup_multiple_pads(i2c0_pads, ARRAY_SIZE(i2c0_pads)); 182 } 183 184 #ifdef CONFIG_NAND_VF610_NFC 185 static void setup_iomux_nfc(void) 186 { 187 static const iomux_v3_cfg_t nfc_pads[] = { 188 VF610_PAD_PTD31__NF_IO15, 189 VF610_PAD_PTD30__NF_IO14, 190 VF610_PAD_PTD29__NF_IO13, 191 VF610_PAD_PTD28__NF_IO12, 192 VF610_PAD_PTD27__NF_IO11, 193 VF610_PAD_PTD26__NF_IO10, 194 VF610_PAD_PTD25__NF_IO9, 195 VF610_PAD_PTD24__NF_IO8, 196 VF610_PAD_PTD23__NF_IO7, 197 VF610_PAD_PTD22__NF_IO6, 198 VF610_PAD_PTD21__NF_IO5, 199 VF610_PAD_PTD20__NF_IO4, 200 VF610_PAD_PTD19__NF_IO3, 201 VF610_PAD_PTD18__NF_IO2, 202 VF610_PAD_PTD17__NF_IO1, 203 VF610_PAD_PTD16__NF_IO0, 204 VF610_PAD_PTB24__NF_WE_B, 205 VF610_PAD_PTB25__NF_CE0_B, 206 VF610_PAD_PTB27__NF_RE_B, 207 VF610_PAD_PTC26__NF_RB_B, 208 VF610_PAD_PTC27__NF_ALE, 209 VF610_PAD_PTC28__NF_CLE 210 }; 211 212 imx_iomux_v3_setup_multiple_pads(nfc_pads, ARRAY_SIZE(nfc_pads)); 213 } 214 #endif 215 216 217 static void setup_iomux_qspi(void) 218 { 219 static const iomux_v3_cfg_t qspi0_pads[] = { 220 VF610_PAD_PTD0__QSPI0_A_QSCK, 221 VF610_PAD_PTD1__QSPI0_A_CS0, 222 VF610_PAD_PTD2__QSPI0_A_DATA3, 223 VF610_PAD_PTD3__QSPI0_A_DATA2, 224 VF610_PAD_PTD4__QSPI0_A_DATA1, 225 VF610_PAD_PTD5__QSPI0_A_DATA0, 226 VF610_PAD_PTD7__QSPI0_B_QSCK, 227 VF610_PAD_PTD8__QSPI0_B_CS0, 228 VF610_PAD_PTD9__QSPI0_B_DATA3, 229 VF610_PAD_PTD10__QSPI0_B_DATA2, 230 VF610_PAD_PTD11__QSPI0_B_DATA1, 231 VF610_PAD_PTD12__QSPI0_B_DATA0, 232 }; 233 234 imx_iomux_v3_setup_multiple_pads(qspi0_pads, ARRAY_SIZE(qspi0_pads)); 235 } 236 237 #ifdef CONFIG_FSL_ESDHC 238 struct fsl_esdhc_cfg esdhc_cfg[1] = { 239 {ESDHC1_BASE_ADDR}, 240 }; 241 242 int board_mmc_getcd(struct mmc *mmc) 243 { 244 /* eSDHC1 is always present */ 245 return 1; 246 } 247 248 int board_mmc_init(bd_t *bis) 249 { 250 static const iomux_v3_cfg_t esdhc1_pads[] = { 251 NEW_PAD_CTRL(VF610_PAD_PTA24__ESDHC1_CLK, ESDHC_PAD_CTRL), 252 NEW_PAD_CTRL(VF610_PAD_PTA25__ESDHC1_CMD, ESDHC_PAD_CTRL), 253 NEW_PAD_CTRL(VF610_PAD_PTA26__ESDHC1_DAT0, ESDHC_PAD_CTRL), 254 NEW_PAD_CTRL(VF610_PAD_PTA27__ESDHC1_DAT1, ESDHC_PAD_CTRL), 255 NEW_PAD_CTRL(VF610_PAD_PTA28__ESDHC1_DAT2, ESDHC_PAD_CTRL), 256 NEW_PAD_CTRL(VF610_PAD_PTA29__ESDHC1_DAT3, ESDHC_PAD_CTRL), 257 }; 258 259 esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); 260 261 imx_iomux_v3_setup_multiple_pads( 262 esdhc1_pads, ARRAY_SIZE(esdhc1_pads)); 263 264 return fsl_esdhc_initialize(bis, &esdhc_cfg[0]); 265 } 266 #endif 267 268 static void clock_init(void) 269 { 270 struct ccm_reg *ccm = (struct ccm_reg *)CCM_BASE_ADDR; 271 struct anadig_reg *anadig = (struct anadig_reg *)ANADIG_BASE_ADDR; 272 273 clrsetbits_le32(&ccm->ccgr0, CCM_REG_CTRL_MASK, 274 CCM_CCGR0_UART1_CTRL_MASK); 275 clrsetbits_le32(&ccm->ccgr1, CCM_REG_CTRL_MASK, 276 CCM_CCGR1_PIT_CTRL_MASK | CCM_CCGR1_WDOGA5_CTRL_MASK); 277 clrsetbits_le32(&ccm->ccgr2, CCM_REG_CTRL_MASK, 278 CCM_CCGR2_IOMUXC_CTRL_MASK | CCM_CCGR2_PORTA_CTRL_MASK | 279 CCM_CCGR2_PORTB_CTRL_MASK | CCM_CCGR2_PORTC_CTRL_MASK | 280 CCM_CCGR2_PORTD_CTRL_MASK | CCM_CCGR2_PORTE_CTRL_MASK | 281 CCM_CCGR2_QSPI0_CTRL_MASK); 282 clrsetbits_le32(&ccm->ccgr3, CCM_REG_CTRL_MASK, 283 CCM_CCGR3_ANADIG_CTRL_MASK | CCM_CCGR3_SCSC_CTRL_MASK); 284 clrsetbits_le32(&ccm->ccgr4, CCM_REG_CTRL_MASK, 285 CCM_CCGR4_WKUP_CTRL_MASK | CCM_CCGR4_CCM_CTRL_MASK | 286 CCM_CCGR4_GPC_CTRL_MASK | CCM_CCGR4_I2C0_CTRL_MASK); 287 clrsetbits_le32(&ccm->ccgr6, CCM_REG_CTRL_MASK, 288 CCM_CCGR6_OCOTP_CTRL_MASK | CCM_CCGR6_DDRMC_CTRL_MASK); 289 clrsetbits_le32(&ccm->ccgr7, CCM_REG_CTRL_MASK, 290 CCM_CCGR7_SDHC1_CTRL_MASK); 291 clrsetbits_le32(&ccm->ccgr9, CCM_REG_CTRL_MASK, 292 CCM_CCGR9_FEC0_CTRL_MASK | CCM_CCGR9_FEC1_CTRL_MASK); 293 clrsetbits_le32(&ccm->ccgr10, CCM_REG_CTRL_MASK, 294 CCM_CCGR10_NFC_CTRL_MASK); 295 296 clrsetbits_le32(&anadig->pll2_ctrl, ANADIG_PLL2_CTRL_POWERDOWN, 297 ANADIG_PLL2_CTRL_ENABLE | ANADIG_PLL2_CTRL_DIV_SELECT); 298 clrsetbits_le32(&anadig->pll1_ctrl, ANADIG_PLL1_CTRL_POWERDOWN, 299 ANADIG_PLL1_CTRL_ENABLE | ANADIG_PLL1_CTRL_DIV_SELECT); 300 301 clrsetbits_le32(&ccm->ccr, CCM_CCR_OSCNT_MASK, 302 CCM_CCR_FIRC_EN | CCM_CCR_OSCNT(5)); 303 clrsetbits_le32(&ccm->ccsr, CCM_REG_CTRL_MASK, 304 CCM_CCSR_PLL1_PFD_CLK_SEL(3) | CCM_CCSR_PLL2_PFD4_EN | 305 CCM_CCSR_PLL2_PFD3_EN | CCM_CCSR_PLL2_PFD2_EN | 306 CCM_CCSR_PLL2_PFD1_EN | CCM_CCSR_PLL1_PFD4_EN | 307 CCM_CCSR_PLL1_PFD3_EN | CCM_CCSR_PLL1_PFD2_EN | 308 CCM_CCSR_PLL1_PFD1_EN | CCM_CCSR_DDRC_CLK_SEL(1) | 309 CCM_CCSR_FAST_CLK_SEL(1) | CCM_CCSR_SYS_CLK_SEL(4)); 310 clrsetbits_le32(&ccm->cacrr, CCM_REG_CTRL_MASK, 311 CCM_CACRR_IPG_CLK_DIV(1) | CCM_CACRR_BUS_CLK_DIV(2) | 312 CCM_CACRR_ARM_CLK_DIV(0)); 313 clrsetbits_le32(&ccm->cscmr1, CCM_REG_CTRL_MASK, 314 CCM_CSCMR1_ESDHC1_CLK_SEL(3) | CCM_CSCMR1_QSPI0_CLK_SEL(3) | 315 CCM_CSCMR1_NFC_CLK_SEL(0)); 316 clrsetbits_le32(&ccm->cscdr1, CCM_REG_CTRL_MASK, 317 CCM_CSCDR1_RMII_CLK_EN); 318 clrsetbits_le32(&ccm->cscdr2, CCM_REG_CTRL_MASK, 319 CCM_CSCDR2_ESDHC1_EN | CCM_CSCDR2_ESDHC1_CLK_DIV(0) | 320 CCM_CSCDR2_NFC_EN); 321 clrsetbits_le32(&ccm->cscdr3, CCM_REG_CTRL_MASK, 322 CCM_CSCDR3_QSPI0_EN | CCM_CSCDR3_QSPI0_DIV(1) | 323 CCM_CSCDR3_QSPI0_X2_DIV(1) | CCM_CSCDR3_QSPI0_X4_DIV(3) | 324 CCM_CSCDR3_NFC_PRE_DIV(5)); 325 clrsetbits_le32(&ccm->cscmr2, CCM_REG_CTRL_MASK, 326 CCM_CSCMR2_RMII_CLK_SEL(0)); 327 } 328 329 static void mscm_init(void) 330 { 331 struct mscm_ir *mscmir = (struct mscm_ir *)MSCM_IR_BASE_ADDR; 332 int i; 333 334 for (i = 0; i < MSCM_IRSPRC_NUM; i++) 335 writew(MSCM_IRSPRC_CP0_EN, &mscmir->irsprc[i]); 336 } 337 338 int board_phy_config(struct phy_device *phydev) 339 { 340 if (phydev->drv->config) 341 phydev->drv->config(phydev); 342 343 return 0; 344 } 345 346 int board_early_init_f(void) 347 { 348 clock_init(); 349 mscm_init(); 350 351 setup_iomux_uart(); 352 setup_iomux_enet(); 353 setup_iomux_i2c(); 354 setup_iomux_qspi(); 355 #ifdef CONFIG_NAND_VF610_NFC 356 setup_iomux_nfc(); 357 #endif 358 359 return 0; 360 } 361 362 int board_init(void) 363 { 364 struct scsc_reg *scsc = (struct scsc_reg *)SCSC_BASE_ADDR; 365 366 /* address of boot parameters */ 367 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; 368 369 /* 370 * Enable external 32K Oscillator 371 * 372 * The internal clock experiences significant drift 373 * so we must use the external oscillator in order 374 * to maintain correct time in the hwclock 375 */ 376 setbits_le32(&scsc->sosc_ctr, SCSC_SOSC_CTR_SOSC_EN); 377 378 return 0; 379 } 380 381 int checkboard(void) 382 { 383 puts("Board: vf610twr\n"); 384 385 return 0; 386 } 387
