1*3fa9dec4Skenny liang /* 2*3fa9dec4Skenny liang * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved. 3*3fa9dec4Skenny liang * 4*3fa9dec4Skenny liang * SPDX-License-Identifier: BSD-3-Clause 5*3fa9dec4Skenny liang */ 6*3fa9dec4Skenny liang 7*3fa9dec4Skenny liang #include <arch_helpers.h> 8*3fa9dec4Skenny liang #include <common/debug.h> 9*3fa9dec4Skenny liang #include <lib/mmio.h> 10*3fa9dec4Skenny liang #include <plat_debug.h> 11*3fa9dec4Skenny liang #include <platform_def.h> 12*3fa9dec4Skenny liang 13*3fa9dec4Skenny liang void circular_buffer_setup(void) 14*3fa9dec4Skenny liang { 15*3fa9dec4Skenny liang /* Clear DBG_CONTROL.lastpc_disable to enable circular buffer */ 16*3fa9dec4Skenny liang sync_writel(CA15M_DBG_CONTROL, 17*3fa9dec4Skenny liang mmio_read_32(CA15M_DBG_CONTROL) & ~(BIT_CA15M_LASTPC_DIS)); 18*3fa9dec4Skenny liang } 19*3fa9dec4Skenny liang 20*3fa9dec4Skenny liang void circular_buffer_unlock(void) 21*3fa9dec4Skenny liang { 22*3fa9dec4Skenny liang unsigned int i; 23*3fa9dec4Skenny liang 24*3fa9dec4Skenny liang /* Disable big vproc external off (set CPU_EXT_BUCK_ISO to 0x0) */ 25*3fa9dec4Skenny liang sync_writel(VPROC_EXT_CTL, mmio_read_32(VPROC_EXT_CTL) & ~(0x1 << 1)); 26*3fa9dec4Skenny liang 27*3fa9dec4Skenny liang /* Release vproc apb mask (set 0x0C53_2008[1] to 0x0) */ 28*3fa9dec4Skenny liang sync_writel(CA15M_PWR_RST_CTL, mmio_read_32(CA15M_PWR_RST_CTL) & ~(0x1 << 1)); 29*3fa9dec4Skenny liang 30*3fa9dec4Skenny liang for (i = 1; i <= 4; ++i) 31*3fa9dec4Skenny liang sync_writel(MP1_CPUTOP_PWR_CON + i * 4, 32*3fa9dec4Skenny liang (mmio_read_32(MP1_CPUTOP_PWR_CON + i * 4) & ~(0x4))|(0x4)); 33*3fa9dec4Skenny liang 34*3fa9dec4Skenny liang /* Set DFD.en */ 35*3fa9dec4Skenny liang sync_writel(DFD_INTERNAL_CTL, 0x1); 36*3fa9dec4Skenny liang } 37*3fa9dec4Skenny liang 38*3fa9dec4Skenny liang void circular_buffer_lock(void) 39*3fa9dec4Skenny liang { 40*3fa9dec4Skenny liang /* Clear DFD.en */ 41*3fa9dec4Skenny liang sync_writel(DFD_INTERNAL_CTL, 0x0); 42*3fa9dec4Skenny liang } 43*3fa9dec4Skenny liang 44*3fa9dec4Skenny liang void clear_all_on_mux(void) 45*3fa9dec4Skenny liang { 46*3fa9dec4Skenny liang sync_writel(MCU_ALL_PWR_ON_CTRL, 47*3fa9dec4Skenny liang mmio_read_32(MCU_ALL_PWR_ON_CTRL) & ~(1 << 2)); 48*3fa9dec4Skenny liang sync_writel(MCU_ALL_PWR_ON_CTRL, 49*3fa9dec4Skenny liang mmio_read_32(MCU_ALL_PWR_ON_CTRL) & ~(1 << 1)); 50*3fa9dec4Skenny liang } 51*3fa9dec4Skenny liang 52*3fa9dec4Skenny liang void l2c_parity_check_setup(void) 53*3fa9dec4Skenny liang { 54*3fa9dec4Skenny liang /* Enable DBG_CONTROL.l2parity_en */ 55*3fa9dec4Skenny liang sync_writel(CA15M_DBG_CONTROL, 56*3fa9dec4Skenny liang mmio_read_32(CA15M_DBG_CONTROL) | BIT_CA15M_L2PARITY_EN); 57*3fa9dec4Skenny liang } 58