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