1 /* 2 * Copyright 2013 Freescale Semiconductor, Inc. 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <common.h> 8 #include <command.h> 9 #include <hwconfig.h> 10 #include <pci.h> 11 #include <i2c.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/io.h> 19 #include <asm/fsl_law.h> 20 #include <asm/fsl_lbc.h> 21 #include <asm/mp.h> 22 #include <miiphy.h> 23 #include <linux/libfdt.h> 24 #include <fdt_support.h> 25 #include <fsl_mdio.h> 26 #include <tsec.h> 27 #include <ioports.h> 28 #include <asm/fsl_serdes.h> 29 #include <netdev.h> 30 31 #define SYSCLK_64 64000000 32 #define SYSCLK_66 66666666 33 34 unsigned long get_board_sys_clk(ulong dummy) 35 { 36 ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 37 par_io_t *par_io = (par_io_t *) &(gur->qe_par_io); 38 unsigned int cpdat_val = 0; 39 40 /* Set-up up pin muxing based on board switch settings */ 41 cpdat_val = par_io[1].cpdat; 42 43 /* Check switch setting for SYSCLK select (PB3) */ 44 if (cpdat_val & 0x10000000) 45 return SYSCLK_64; 46 else 47 return SYSCLK_66; 48 49 return 0; 50 } 51 52 #ifdef CONFIG_QE 53 54 #define PCA_IOPORT_I2C_ADDR 0x23 55 #define PCA_IOPORT_OUTPUT_CMD 0x2 56 #define PCA_IOPORT_CFG_CMD 0x6 57 58 const qe_iop_conf_t qe_iop_conf_tab[] = { 59 60 #ifdef CONFIG_TWR_P1025 61 /* GPIO */ 62 {1, 0, 1, 0, 0}, 63 {1, 18, 1, 0, 0}, 64 65 /* GPIO for switch options */ 66 {1, 2, 2, 0, 0}, /* PROFIBUS_MODE_SEL */ 67 {1, 3, 2, 0, 0}, /* SYS_CLK_SELECT */ 68 {1, 29, 2, 0, 0}, /* LOCALBUS_QE_MUXSEL */ 69 {1, 30, 2, 0, 0}, /* ETH_TDM_SEL */ 70 71 /* QE_MUX_MDC */ 72 {1, 19, 1, 0, 1}, /* QE_MUX_MDC */ 73 74 /* QE_MUX_MDIO */ 75 {1, 20, 3, 0, 1}, /* QE_MUX_MDIO */ 76 77 /* UCC_1_MII */ 78 {0, 23, 2, 0, 2}, /* CLK12 */ 79 {0, 24, 2, 0, 1}, /* CLK9 */ 80 {0, 7, 1, 0, 2}, /* ENET1_TXD0_SER1_TXD0 */ 81 {0, 9, 1, 0, 2}, /* ENET1_TXD1_SER1_TXD1 */ 82 {0, 11, 1, 0, 2}, /* ENET1_TXD2_SER1_TXD2 */ 83 {0, 12, 1, 0, 2}, /* ENET1_TXD3_SER1_TXD3 */ 84 {0, 6, 2, 0, 2}, /* ENET1_RXD0_SER1_RXD0 */ 85 {0, 10, 2, 0, 2}, /* ENET1_RXD1_SER1_RXD1 */ 86 {0, 14, 2, 0, 2}, /* ENET1_RXD2_SER1_RXD2 */ 87 {0, 15, 2, 0, 2}, /* ENET1_RXD3_SER1_RXD3 */ 88 {0, 5, 1, 0, 2}, /* ENET1_TX_EN_SER1_RTS_B */ 89 {0, 13, 1, 0, 2}, /* ENET1_TX_ER */ 90 {0, 4, 2, 0, 2}, /* ENET1_RX_DV_SER1_CTS_B */ 91 {0, 8, 2, 0, 2}, /* ENET1_RX_ER_SER1_CD_B */ 92 {0, 17, 2, 0, 2}, /* ENET1_CRS */ 93 {0, 16, 2, 0, 2}, /* ENET1_COL */ 94 95 /* UCC_5_RMII */ 96 {1, 11, 2, 0, 1}, /* CLK13 */ 97 {1, 7, 1, 0, 2}, /* ENET5_TXD0_SER5_TXD0 */ 98 {1, 10, 1, 0, 2}, /* ENET5_TXD1_SER5_TXD1 */ 99 {1, 6, 2, 0, 2}, /* ENET5_RXD0_SER5_RXD0 */ 100 {1, 9, 2, 0, 2}, /* ENET5_RXD1_SER5_RXD1 */ 101 {1, 5, 1, 0, 2}, /* ENET5_TX_EN_SER5_RTS_B */ 102 {1, 4, 2, 0, 2}, /* ENET5_RX_DV_SER5_CTS_B */ 103 {1, 8, 2, 0, 2}, /* ENET5_RX_ER_SER5_CD_B */ 104 105 /* TDMA - clock option is configured in OS based on board setting */ 106 {1, 23, 2, 0, 2}, /* TDMA_TXD */ 107 {1, 25, 2, 0, 2}, /* TDMA_RXD */ 108 {1, 26, 1, 0, 2}, /* TDMA_SYNC */ 109 #endif 110 111 {0, 0, 0, 0, QE_IOP_TAB_END} /* END of table */ 112 }; 113 #endif 114 115 int board_early_init_f(void) 116 { 117 ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 118 119 setbits_be32(&gur->pmuxcr, 120 (MPC85xx_PMUXCR_SDHC_CD | MPC85xx_PMUXCR_SDHC_WP)); 121 122 /* SDHC_DAT[4:7] not exposed to pins (use as SPI) */ 123 clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_SD_DATA); 124 125 return 0; 126 } 127 128 int checkboard(void) 129 { 130 ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 131 u8 boot_status; 132 133 printf("Board: %s\n", CONFIG_BOARDNAME); 134 135 boot_status = ((gur->porbmsr) >> MPC85xx_PORBMSR_ROMLOC_SHIFT) & 0xf; 136 puts("rom_loc: "); 137 if (boot_status == PORBMSR_ROMLOC_NOR) 138 puts("nor flash"); 139 else if (boot_status == PORBMSR_ROMLOC_SDHC) 140 puts("sd"); 141 else 142 puts("unknown"); 143 puts("\n"); 144 145 return 0; 146 } 147 148 #ifdef CONFIG_PCI 149 void pci_init_board(void) 150 { 151 fsl_pcie_init_board(0); 152 } 153 #endif 154 155 int board_early_init_r(void) 156 { 157 const unsigned int flashbase = CONFIG_SYS_FLASH_BASE; 158 int flash_esel = find_tlb_idx((void *)flashbase, 1); 159 160 /* 161 * Remap Boot flash region to caching-inhibited 162 * so that flash can be erased properly. 163 */ 164 165 /* Flush d-cache and invalidate i-cache of any FLASH data */ 166 flush_dcache(); 167 invalidate_icache(); 168 169 if (flash_esel == -1) { 170 /* very unlikely unless something is messed up */ 171 puts("Error: Could not find TLB for FLASH BASE\n"); 172 flash_esel = 2; /* give our best effort to continue */ 173 } else { 174 /* invalidate existing TLB entry for flash */ 175 disable_tlb(flash_esel); 176 } 177 178 set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS, /* tlb, epn, rpn */ 179 MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, /* perms, wimge */ 180 0, flash_esel, BOOKE_PAGESZ_64M, 1);/* ts, esel, tsize, iprot */ 181 return 0; 182 } 183 184 int board_eth_init(bd_t *bis) 185 { 186 struct fsl_pq_mdio_info mdio_info; 187 struct tsec_info_struct tsec_info[4]; 188 ccsr_gur_t *gur __attribute__((unused)) = 189 (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 190 int num = 0; 191 192 #ifdef CONFIG_TSEC1 193 SET_STD_TSEC_INFO(tsec_info[num], 1); 194 num++; 195 #endif 196 #ifdef CONFIG_TSEC2 197 SET_STD_TSEC_INFO(tsec_info[num], 2); 198 if (is_serdes_configured(SGMII_TSEC2)) { 199 printf("eTSEC2 is in sgmii mode.\n"); 200 tsec_info[num].flags |= TSEC_SGMII; 201 } 202 num++; 203 #endif 204 #ifdef CONFIG_TSEC3 205 SET_STD_TSEC_INFO(tsec_info[num], 3); 206 num++; 207 #endif 208 209 if (!num) { 210 printf("No TSECs initialized\n"); 211 return 0; 212 } 213 214 mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR; 215 mdio_info.name = DEFAULT_MII_NAME; 216 217 fsl_pq_mdio_init(bis, &mdio_info); 218 219 tsec_eth_init(bis, tsec_info, num); 220 221 #if defined(CONFIG_UEC_ETH) 222 /* QE0 and QE3 need to be exposed for UCC1 223 * and UCC5 Eth mode (in PMUXCR register). 224 * Currently QE/LBC muxed pins assumed to be 225 * LBC for U-Boot and PMUXCR updated by OS if required */ 226 227 uec_standard_init(bis); 228 #endif 229 230 return pci_eth_init(bis); 231 } 232 233 #if defined(CONFIG_QE) 234 static void fdt_board_fixup_qe_pins(void *blob) 235 { 236 int node; 237 238 if (!hwconfig("qe")) { 239 /* For QE and eLBC pins multiplexing, 240 * When don't use QE function, remove 241 * qe node from dt blob. 242 */ 243 node = fdt_path_offset(blob, "/qe"); 244 if (node >= 0) 245 fdt_del_node(blob, node); 246 } else { 247 /* For TWR Peripheral Modules - TWR-SER2 248 * board only can support Signal Port MII, 249 * so delete one UEC node when use MII port. 250 */ 251 if (hwconfig("mii")) 252 node = fdt_path_offset(blob, "/qe/ucc@2400"); 253 else 254 node = fdt_path_offset(blob, "/qe/ucc@2000"); 255 if (node >= 0) 256 fdt_del_node(blob, node); 257 } 258 259 return; 260 } 261 #endif 262 263 #ifdef CONFIG_OF_BOARD_SETUP 264 int ft_board_setup(void *blob, bd_t *bd) 265 { 266 phys_addr_t base; 267 phys_size_t size; 268 269 ft_cpu_setup(blob, bd); 270 271 base = env_get_bootm_low(); 272 size = env_get_bootm_size(); 273 274 fdt_fixup_memory(blob, (u64)base, (u64)size); 275 276 FT_FSL_PCI_SETUP; 277 278 #ifdef CONFIG_QE 279 do_fixup_by_compat(blob, "fsl,qe", "status", "okay", 280 sizeof("okay"), 0); 281 #endif 282 #if defined(CONFIG_TWR_P1025) 283 fdt_board_fixup_qe_pins(blob); 284 #endif 285 fsl_fdt_fixup_dr_usb(blob, bd); 286 287 return 0; 288 } 289 #endif 290