diff options
Diffstat (limited to 'arch/arm/mach-imx/cpu_init.c')
| -rw-r--r-- | arch/arm/mach-imx/cpu_init.c | 89 |
1 files changed, 70 insertions, 19 deletions
diff --git a/arch/arm/mach-imx/cpu_init.c b/arch/arm/mach-imx/cpu_init.c index aa6e050e94..c5a47d9b91 100644 --- a/arch/arm/mach-imx/cpu_init.c +++ b/arch/arm/mach-imx/cpu_init.c @@ -1,26 +1,17 @@ -/* - * Copyright (C) 2014 Lucas Stach, Pengutronix - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ +// SPDX-License-Identifier: GPL-2.0-or-later +// SPDX-FileCopyrightText: 2014 Lucas Stach, Pengutronix #include <common.h> #include <asm/barebox-arm-head.h> #include <asm/errata.h> #include <linux/types.h> #include <linux/bitops.h> -#include <mach/generic.h> -#include <mach/imx7-regs.h> -#include <mach/imx8mq-regs.h> -#include <common.h> +#include <mach/imx/generic.h> +#include <mach/imx/imx7-regs.h> +#include <mach/imx/imx8mq-regs.h> +#include <mach/imx/imx8m-ccm-regs.h> +#include <mach/imx/imx9-regs.h> +#include <mach/imx/trdc.h> #include <io.h> #include <asm/syscounter.h> #include <asm/system.h> @@ -60,6 +51,7 @@ void imx6ul_cpu_lowlevel_init(void) void imx7_cpu_lowlevel_init(void) { + cortex_a7_lowlevel_init(); arm_cpu_lowlevel_init(); imx_cpu_timer_init(IOMEM(MX7_SYSCNT_CTRL_BASE_ADDR)); } @@ -69,11 +61,70 @@ void vf610_cpu_lowlevel_init(void) arm_cpu_lowlevel_init(); } #else -void imx8mq_cpu_lowlevel_init(void) +static void imx8m_cpu_lowlevel_init(void) { arm_cpu_lowlevel_init(); if (current_el() == 3) - imx_cpu_timer_init(IOMEM(MX8MQ_SYSCNT_CTRL_BASE_ADDR)); + imx_cpu_timer_init(IOMEM(MX8M_SYSCNT_CTRL_BASE_ADDR)); +} + +void imx8mm_cpu_lowlevel_init(void) +{ + /* ungate system counter */ + imx8m_ccgr_clock_enable(IMX8M_CCM_CCGR_SCTR); + + imx8m_cpu_lowlevel_init(); +} + +void imx8mn_cpu_lowlevel_init(void) + __alias(imx8mm_cpu_lowlevel_init); + +void imx8mp_cpu_lowlevel_init(void) + __alias(imx8mm_cpu_lowlevel_init); + +void imx8mq_cpu_lowlevel_init(void) +{ + imx8m_cpu_lowlevel_init(); +} + +#define CCM_AUTHEN_TZ_NS BIT(9) + +#define OSCPLLa_AUTHEN(n) (0x5030 + (n) * 0x40) /* 0..18 */ +#define CLOCK_ROOT_AUTHEN(n) (0x30 + (n) * 0x80) /* 0..94 */ +#define LPCGa_AUTHEN(n) (0x8030 + (n) * 0x40) /* 0..126 */ +#define GPR_SHARED0_AUTHEN(n) (0x4810 + (n) * 0x10) /* 0..3 */ +#define SET 4 + +#define SRC_SP_ISO_CTRL 0x10c + +void imx93_cpu_lowlevel_init(void) +{ + void __iomem *ccm = IOMEM(MX9_CCM_BASE_ADDR); + void __iomem *src = IOMEM(MX9_SRC_BASE_ADDR); + int i; + + arm_cpu_lowlevel_init(); + + if (current_el() != 3) + return; + + imx9_trdc_init(); + + imx_cpu_timer_init(IOMEM(MX9_SYSCNT_CTRL_BASE_ADDR)); + + for (i = 0; i <= 18; i++) + writel(CCM_AUTHEN_TZ_NS, ccm + OSCPLLa_AUTHEN(i) + SET); + for (i = 0; i <= 94; i++) + writel(CCM_AUTHEN_TZ_NS, ccm + CLOCK_ROOT_AUTHEN(i) + SET); + for (i = 0; i <= 126 ; i++) + writel(CCM_AUTHEN_TZ_NS, ccm + LPCGa_AUTHEN(i) + SET); + for (i = 0; i <= 3 ; i++) + writel(CCM_AUTHEN_TZ_NS, ccm + GPR_SHARED0_AUTHEN(i) + SET); + + /* clear isolation for usbphy, dsi, csi*/ + writel(0x0, src + SRC_SP_ISO_CTRL); + } + #endif |