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| *******************************************************************************/ |
| |
| /* includes */ |
| #include "mv_os.h" |
| #include "config_marvell.h" /* Required to identify SOC and Board */ |
| #include "mvUart.h" |
| #include "util.h" |
| #include "generalInit.h" |
| #include "printf.h" |
| #include "mvSysEnvLib.h" |
| |
| /****************************************************************************************** |
| * mvDeviceIdConfig - set SoC Unit configuration and device ID according to detected flavour |
| *******************************************************************************************/ |
| static MV_VOID mvDeviceIdConfig(void) |
| { |
| MV_DEVICE_ID_VAL dev_id_val[] = MV_DEVICE_ID_VAL_INFO; |
| MV_U32 ctrlId, devId = mvSysEnvDeviceIdGet(); /* read Sample at reset for device ID*/ |
| |
| /* Verify Marvell A38x boards limitation */ |
| #if !defined(CONFIG_CUSTOMER_BOARD_SUPPORT) && defined(MV88F68XX) |
| /* only A381/2 board support 6821 device ID */ |
| if (devId == MV_6811 && mvBoardIdGet() != DB_BP_6821_ID) |
| mvPrintf("%s: Error: Device 6811/21 is not supported on current board (only A381/2 DB-BP)\n", __func__); |
| #endif |
| |
| if (devId == MV_NONE) { |
| mvPrintf("%s: Error: Read an unknown device ID from 'S@R'\n", __func__); |
| #if !defined(CONFIG_CUSTOMER_BOARD_SUPPORT) |
| mvPrintf("Setting default device ID\n"); |
| devId = MV_DEFAULT_DEVICE_ID; /* fallback to default only for Marvell boards */ |
| #endif |
| |
| } |
| /* Configure Units according to detected deviceId (flavor) */ |
| MV_REG_WRITE(DEVICE_CONFIGURATION_REG0, dev_id_val[devId].wo_reg_val0); |
| MV_REG_WRITE(DEVICE_CONFIGURATION_REG1, dev_id_val[devId].wo_reg_val1); |
| |
| /* set device ID register (flavor) */ |
| ctrlId = MV_REG_READ(DEV_ID_REG) & ~DEV_ID_REG_DEVICE_ID_MASK; |
| ctrlId |= dev_id_val[devId].ctrlModel << DEV_ID_REG_DEVICE_ID_OFFS; |
| MV_REG_WRITE(DEV_ID_REG, ctrlId); |
| } |
| |
| /* mvMppConfig() prepares UART and I2C configuration (MPP's and UART interface selection) */ |
| static inline MV_VOID mvMppConfig() |
| { |
| /* UART0 & I2C MPP's (MPP[0:3] = 0x1) */ |
| MV_U32 regData = (MV_REG_READ(MPP_CONTROL_REG(0)) & MPP_SET_MASK) | MPP_SET_DATA; |
| MV_REG_WRITE(MPP_CTRL_REG, regData); |
| |
| /* UART1 MPP's (MPP[19:20] = 0x6) - UART1 is the default UART interface on DB-AP-68xx */ |
| regData = (MV_REG_READ(MPP_CONTROL_REG(2)) & MPP_UART1_SET_MASK) | MPP_UART1_SET_DATA; |
| MV_REG_WRITE(MPP_CONTROL_REG(2), regData); |
| } |
| |
| MV_STATUS mvGeneralInit(void) |
| { |
| MV_U32 regData; |
| |
| /* Update AVS debug control register */ |
| MV_REG_WRITE(AVS_DEBUG_CNTR_REG, AVS_DEBUG_CNTR_DEFAULT_VALUE); |
| |
| regData = MV_REG_READ(AVS_ENABLED_CONTROL); |
| regData &= ~(AVS_LOW_VDD_LIMIT_MASK | AVS_HIGH_VDD_LIMIT_MASK); |
| regData |= (AVS_LOW_VDD_LIMIT_VAL | AVS_HIGH_VDD_LIMIT_VAL); |
| MV_REG_WRITE(AVS_ENABLED_CONTROL, regData); |
| |
| mvMppConfig(); |
| |
| /* - Init the TWSI before all I2C transaction */ |
| DEBUG_INIT_FULL_S("mvGeneralInit: Init TWSI interface.\n"); |
| mvHwsTwsiInitWrapper(); |
| |
| #if !defined(MV_NO_PRINT) |
| mvUartInit(); |
| mvPrintf("\n\nGeneral initialization - Version: " GENERAL_VERION "\n"); |
| #endif |
| |
| /* Device general configuration was not supported on a38x Z0 revision */ |
| if (mvSysEnvDeviceRevGet() != MV_88F68XX_Z1_ID) |
| mvDeviceIdConfig(); |
| |
| return MV_OK; |
| } |
| |