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 #include <spm.h> 13 14 void circular_buffer_setup(void) 15 { 16 /* Clear DBG_CONTROL.lastpc_disable to enable circular buffer */ 17 sync_writel(CA15M_DBG_CONTROL, 18 mmio_read_32(CA15M_DBG_CONTROL) & ~(BIT_CA15M_LASTPC_DIS)); 19 } 20 21 void circular_buffer_unlock(void) 22 { 23 unsigned int i; 24 25 /* Disable big vproc external off (set CPU_EXT_BUCK_ISO to 0x0) */ 26 sync_writel(VPROC_EXT_CTL, mmio_read_32(VPROC_EXT_CTL) & ~(0x1 << 1)); 27 28 /* Release vproc apb mask (set 0x0C53_2008[1] to 0x0) */ 29 sync_writel(CA15M_PWR_RST_CTL, mmio_read_32(CA15M_PWR_RST_CTL) & ~(0x1 << 1)); 30 31 for (i = 1; i <= 4; ++i) 32 sync_writel(MP1_CPUTOP_PWR_CON + i * 4, 33 (mmio_read_32(MP1_CPUTOP_PWR_CON + i * 4) & ~(0x4))|(0x4)); 34 35 /* Set DFD.en */ 36 sync_writel(DFD_INTERNAL_CTL, 0x1); 37 } 38 39 void circular_buffer_lock(void) 40 { 41 /* Clear DFD.en */ 42 sync_writel(DFD_INTERNAL_CTL, 0x0); 43 } 44 45 void clear_all_on_mux(void) 46 { 47 sync_writel(MCU_ALL_PWR_ON_CTRL, 48 mmio_read_32(MCU_ALL_PWR_ON_CTRL) & ~(1 << 2)); 49 sync_writel(MCU_ALL_PWR_ON_CTRL, 50 mmio_read_32(MCU_ALL_PWR_ON_CTRL) & ~(1 << 1)); 51 } 52 53 void l2c_parity_check_setup(void) 54 { 55 /* Enable DBG_CONTROL.l2parity_en */ 56 sync_writel(CA15M_DBG_CONTROL, 57 mmio_read_32(CA15M_DBG_CONTROL) | BIT_CA15M_L2PARITY_EN); 58 } 59