1a13110a9SKlaus Goger /* 2a13110a9SKlaus Goger * (C) Copyright 2017 Theobroma Systems Design und Consulting GmbH 3a13110a9SKlaus Goger * 4a13110a9SKlaus Goger * SPDX-License-Identifier: GPL-2.0+ 5a13110a9SKlaus Goger */ 6fb740646SPhilipp Tomsich 7a13110a9SKlaus Goger #include <common.h> 8a13110a9SKlaus Goger #include <dm.h> 9e92e5803SPhilipp Tomsich #include <misc.h> 10*614539d4SPhilipp Tomsich #include <spl.h> 11*614539d4SPhilipp Tomsich #include <usb.h> 12a13110a9SKlaus Goger #include <dm/pinctrl.h> 13a13110a9SKlaus Goger #include <dm/uclass-internal.h> 149415b9a7SPhilipp Tomsich #include <asm/setup.h> 15a13110a9SKlaus Goger #include <asm/arch/periph.h> 16a13110a9SKlaus Goger #include <power/regulator.h> 17e92e5803SPhilipp Tomsich #include <u-boot/sha256.h> 18e92e5803SPhilipp Tomsich 19a13110a9SKlaus Goger DECLARE_GLOBAL_DATA_PTR; 20a13110a9SKlaus Goger 21a13110a9SKlaus Goger int board_init(void) 22a13110a9SKlaus Goger { 23a13110a9SKlaus Goger int ret; 24a13110a9SKlaus Goger 25a13110a9SKlaus Goger /* 260b5e7aabSPhilipp Tomsich * We need to call into regulators_enable_boot_on() again, as the call 270b5e7aabSPhilipp Tomsich * during SPL may have not included all regulators. 28a13110a9SKlaus Goger */ 290b5e7aabSPhilipp Tomsich ret = regulators_enable_boot_on(false); 30a13110a9SKlaus Goger if (ret) 310b5e7aabSPhilipp Tomsich debug("%s: Cannot enable boot on regulator\n", __func__); 32a13110a9SKlaus Goger 33a13110a9SKlaus Goger return 0; 34a13110a9SKlaus Goger } 35a13110a9SKlaus Goger 36fb740646SPhilipp Tomsich void spl_board_init(void) 37fb740646SPhilipp Tomsich { 38482cf223SPhilipp Tomsich int ret; 39482cf223SPhilipp Tomsich 40482cf223SPhilipp Tomsich /* 41482cf223SPhilipp Tomsich * Turning the eMMC and SPI back on (if disabled via the Qseven 42482cf223SPhilipp Tomsich * BIOS_ENABLE) signal is done through a always-on regulator). 43482cf223SPhilipp Tomsich */ 44482cf223SPhilipp Tomsich ret = regulators_enable_boot_on(false); 45482cf223SPhilipp Tomsich if (ret) 46482cf223SPhilipp Tomsich debug("%s: Cannot enable boot on regulator\n", __func__); 47482cf223SPhilipp Tomsich 48fb740646SPhilipp Tomsich preloader_console_init(); 49fb740646SPhilipp Tomsich } 50fb740646SPhilipp Tomsich 518adc9d18SKlaus Goger static void setup_macaddr(void) 528adc9d18SKlaus Goger { 538adc9d18SKlaus Goger #if CONFIG_IS_ENABLED(CMD_NET) 548adc9d18SKlaus Goger int ret; 5500caae6dSSimon Glass const char *cpuid = env_get("cpuid#"); 568adc9d18SKlaus Goger u8 hash[SHA256_SUM_LEN]; 578adc9d18SKlaus Goger int size = sizeof(hash); 588adc9d18SKlaus Goger u8 mac_addr[6]; 598adc9d18SKlaus Goger 608adc9d18SKlaus Goger /* Only generate a MAC address, if none is set in the environment */ 6100caae6dSSimon Glass if (env_get("ethaddr")) 628adc9d18SKlaus Goger return; 638adc9d18SKlaus Goger 648adc9d18SKlaus Goger if (!cpuid) { 658adc9d18SKlaus Goger debug("%s: could not retrieve 'cpuid#'\n", __func__); 668adc9d18SKlaus Goger return; 678adc9d18SKlaus Goger } 688adc9d18SKlaus Goger 698adc9d18SKlaus Goger ret = hash_block("sha256", (void *)cpuid, strlen(cpuid), hash, &size); 708adc9d18SKlaus Goger if (ret) { 718adc9d18SKlaus Goger debug("%s: failed to calculate SHA256\n", __func__); 728adc9d18SKlaus Goger return; 738adc9d18SKlaus Goger } 748adc9d18SKlaus Goger 758adc9d18SKlaus Goger /* Copy 6 bytes of the hash to base the MAC address on */ 768adc9d18SKlaus Goger memcpy(mac_addr, hash, 6); 778adc9d18SKlaus Goger 788adc9d18SKlaus Goger /* Make this a valid MAC address and set it */ 798adc9d18SKlaus Goger mac_addr[0] &= 0xfe; /* clear multicast bit */ 808adc9d18SKlaus Goger mac_addr[0] |= 0x02; /* set local assignment bit (IEEE802) */ 81fd1e959eSSimon Glass eth_env_set_enetaddr("ethaddr", mac_addr); 828adc9d18SKlaus Goger #endif 838adc9d18SKlaus Goger } 848adc9d18SKlaus Goger 859415b9a7SPhilipp Tomsich static void setup_serial(void) 869415b9a7SPhilipp Tomsich { 879415b9a7SPhilipp Tomsich #if CONFIG_IS_ENABLED(ROCKCHIP_EFUSE) 8826722335SKever Yang const u32 cpuid_offset = 0x7; 8926722335SKever Yang const u32 cpuid_length = 0x10; 9026722335SKever Yang 919415b9a7SPhilipp Tomsich struct udevice *dev; 929415b9a7SPhilipp Tomsich int ret, i; 9326722335SKever Yang u8 cpuid[cpuid_length]; 9426722335SKever Yang u8 low[cpuid_length/2], high[cpuid_length/2]; 9526722335SKever Yang char cpuid_str[cpuid_length * 2 + 1]; 969415b9a7SPhilipp Tomsich u64 serialno; 9760d7c509SKlaus Goger char serialno_str[17]; 989415b9a7SPhilipp Tomsich 998adc9d18SKlaus Goger /* retrieve the device */ 1008adc9d18SKlaus Goger ret = uclass_get_device_by_driver(UCLASS_MISC, 1018adc9d18SKlaus Goger DM_GET_DRIVER(rockchip_efuse), &dev); 1029415b9a7SPhilipp Tomsich if (ret) { 1039415b9a7SPhilipp Tomsich debug("%s: could not find efuse device\n", __func__); 1049415b9a7SPhilipp Tomsich return; 1059415b9a7SPhilipp Tomsich } 1069415b9a7SPhilipp Tomsich 1079415b9a7SPhilipp Tomsich /* read the cpu_id range from the efuses */ 10826722335SKever Yang ret = misc_read(dev, cpuid_offset, &cpuid, sizeof(cpuid)); 1099415b9a7SPhilipp Tomsich if (ret) { 1109415b9a7SPhilipp Tomsich debug("%s: reading cpuid from the efuses failed\n", 1119415b9a7SPhilipp Tomsich __func__); 1129415b9a7SPhilipp Tomsich return; 1139415b9a7SPhilipp Tomsich } 1149415b9a7SPhilipp Tomsich 1159415b9a7SPhilipp Tomsich memset(cpuid_str, 0, sizeof(cpuid_str)); 1169415b9a7SPhilipp Tomsich for (i = 0; i < 16; i++) 1179415b9a7SPhilipp Tomsich sprintf(&cpuid_str[i * 2], "%02x", cpuid[i]); 1189415b9a7SPhilipp Tomsich 1199415b9a7SPhilipp Tomsich debug("cpuid: %s\n", cpuid_str); 1209415b9a7SPhilipp Tomsich 1219415b9a7SPhilipp Tomsich /* 1229415b9a7SPhilipp Tomsich * Mix the cpuid bytes using the same rules as in 1239415b9a7SPhilipp Tomsich * ${linux}/drivers/soc/rockchip/rockchip-cpuinfo.c 1249415b9a7SPhilipp Tomsich */ 1259415b9a7SPhilipp Tomsich for (i = 0; i < 8; i++) { 1269415b9a7SPhilipp Tomsich low[i] = cpuid[1 + (i << 1)]; 1279415b9a7SPhilipp Tomsich high[i] = cpuid[i << 1]; 1289415b9a7SPhilipp Tomsich } 1299415b9a7SPhilipp Tomsich 1309415b9a7SPhilipp Tomsich serialno = crc32_no_comp(0, low, 8); 1319415b9a7SPhilipp Tomsich serialno |= (u64)crc32_no_comp(serialno, high, 8) << 32; 1329415b9a7SPhilipp Tomsich snprintf(serialno_str, sizeof(serialno_str), "%llx", serialno); 1339415b9a7SPhilipp Tomsich 134382bee57SSimon Glass env_set("cpuid#", cpuid_str); 135382bee57SSimon Glass env_set("serial#", serialno_str); 1369415b9a7SPhilipp Tomsich #endif 1379415b9a7SPhilipp Tomsich } 1389415b9a7SPhilipp Tomsich 1399415b9a7SPhilipp Tomsich int misc_init_r(void) 1409415b9a7SPhilipp Tomsich { 1419415b9a7SPhilipp Tomsich setup_serial(); 1428adc9d18SKlaus Goger setup_macaddr(); 1439415b9a7SPhilipp Tomsich 1449415b9a7SPhilipp Tomsich return 0; 1459415b9a7SPhilipp Tomsich } 1469415b9a7SPhilipp Tomsich 1479415b9a7SPhilipp Tomsich #ifdef CONFIG_SERIAL_TAG 1489415b9a7SPhilipp Tomsich void get_board_serial(struct tag_serialnr *serialnr) 1499415b9a7SPhilipp Tomsich { 1509415b9a7SPhilipp Tomsich char *serial_string; 1519415b9a7SPhilipp Tomsich u64 serial = 0; 1529415b9a7SPhilipp Tomsich 15300caae6dSSimon Glass serial_string = env_get("serial#"); 1549415b9a7SPhilipp Tomsich 1559415b9a7SPhilipp Tomsich if (serial_string) 1569415b9a7SPhilipp Tomsich serial = simple_strtoull(serial_string, NULL, 16); 1579415b9a7SPhilipp Tomsich 1589415b9a7SPhilipp Tomsich serialnr->high = (u32)(serial >> 32); 1599415b9a7SPhilipp Tomsich serialnr->low = (u32)(serial & 0xffffffff); 1609415b9a7SPhilipp Tomsich } 1619415b9a7SPhilipp Tomsich #endif 162*614539d4SPhilipp Tomsich 163*614539d4SPhilipp Tomsich /** 164*614539d4SPhilipp Tomsich * Switch power at an external regulator (for our root hub). 165*614539d4SPhilipp Tomsich * 166*614539d4SPhilipp Tomsich * @param ctrl pointer to the xHCI controller 167*614539d4SPhilipp Tomsich * @param port port number as in the control message (one-based) 168*614539d4SPhilipp Tomsich * @param enable boolean indicating whether to enable or disable power 169*614539d4SPhilipp Tomsich * @return returns 0 on success, an error-code on failure 170*614539d4SPhilipp Tomsich */ 171*614539d4SPhilipp Tomsich static int board_usb_port_power_set(struct udevice *dev, int port, 172*614539d4SPhilipp Tomsich bool enable) 173*614539d4SPhilipp Tomsich { 174*614539d4SPhilipp Tomsich #if CONFIG_IS_ENABLED(OF_CONTROL) && CONFIG_IS_ENABLED(DM_REGULATOR) 175*614539d4SPhilipp Tomsich /* We start counting ports at 0, while USB counts from 1. */ 176*614539d4SPhilipp Tomsich int index = port - 1; 177*614539d4SPhilipp Tomsich const char *regname = NULL; 178*614539d4SPhilipp Tomsich struct udevice *regulator; 179*614539d4SPhilipp Tomsich const char *prop = "tsd,usb-port-power"; 180*614539d4SPhilipp Tomsich int ret; 181*614539d4SPhilipp Tomsich 182*614539d4SPhilipp Tomsich debug("%s: ctrl '%s' port %d enable %s\n", __func__, 183*614539d4SPhilipp Tomsich dev_read_name(dev), port, enable ? "true" : "false"); 184*614539d4SPhilipp Tomsich 185*614539d4SPhilipp Tomsich ret = dev_read_string_index(dev, prop, index, ®name); 186*614539d4SPhilipp Tomsich if (ret < 0) { 187*614539d4SPhilipp Tomsich debug("%s: ctrl '%s' port %d: no entry in '%s'\n", 188*614539d4SPhilipp Tomsich __func__, dev_read_name(dev), port, prop); 189*614539d4SPhilipp Tomsich return ret; 190*614539d4SPhilipp Tomsich } 191*614539d4SPhilipp Tomsich 192*614539d4SPhilipp Tomsich ret = regulator_get_by_platname(regname, ®ulator); 193*614539d4SPhilipp Tomsich if (ret) { 194*614539d4SPhilipp Tomsich debug("%s: ctrl '%s' port %d: could not get regulator '%s'\n", 195*614539d4SPhilipp Tomsich __func__, dev_read_name(dev), port, regname); 196*614539d4SPhilipp Tomsich return ret; 197*614539d4SPhilipp Tomsich } 198*614539d4SPhilipp Tomsich 199*614539d4SPhilipp Tomsich regulator_set_enable(regulator, enable); 200*614539d4SPhilipp Tomsich return 0; 201*614539d4SPhilipp Tomsich #else 202*614539d4SPhilipp Tomsich return -ENOTSUPP; 203*614539d4SPhilipp Tomsich #endif 204*614539d4SPhilipp Tomsich } 205*614539d4SPhilipp Tomsich 206*614539d4SPhilipp Tomsich void usb_hub_reset_devices(struct usb_hub_device *hub, int port) 207*614539d4SPhilipp Tomsich { 208*614539d4SPhilipp Tomsich struct udevice *dev = hub->pusb_dev->dev; 209*614539d4SPhilipp Tomsich struct udevice *ctrl; 210*614539d4SPhilipp Tomsich 211*614539d4SPhilipp Tomsich /* We are only interested in our root-hubs */ 212*614539d4SPhilipp Tomsich if (usb_hub_is_root_hub(dev) == false) 213*614539d4SPhilipp Tomsich return; 214*614539d4SPhilipp Tomsich 215*614539d4SPhilipp Tomsich ctrl = usb_get_bus(dev); 216*614539d4SPhilipp Tomsich if (!ctrl) { 217*614539d4SPhilipp Tomsich debug("%s: could not retrieve ctrl for hub\n", __func__); 218*614539d4SPhilipp Tomsich return; 219*614539d4SPhilipp Tomsich } 220*614539d4SPhilipp Tomsich 221*614539d4SPhilipp Tomsich /* 222*614539d4SPhilipp Tomsich * To work around an incompatibility between the single-threaded 223*614539d4SPhilipp Tomsich * USB stack in U-Boot and (a strange low-power mode of) the USB 224*614539d4SPhilipp Tomsich * hub we have on-module, we need to delay powering on the hub 225*614539d4SPhilipp Tomsich * until the first time the port is probed. 226*614539d4SPhilipp Tomsich */ 227*614539d4SPhilipp Tomsich board_usb_port_power_set(ctrl, port, true); 228*614539d4SPhilipp Tomsich } 229