diff options
Diffstat (limited to 'arch/arm/cpu/arm720t/tegra20/cpu.c')
-rw-r--r-- | arch/arm/cpu/arm720t/tegra20/cpu.c | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/arch/arm/cpu/arm720t/tegra20/cpu.c b/arch/arm/cpu/arm720t/tegra20/cpu.c deleted file mode 100644 index 2533899..0000000 --- a/arch/arm/cpu/arm720t/tegra20/cpu.c +++ /dev/null @@ -1,70 +0,0 @@ -/* - * Copyright (c) 2010-2012, NVIDIA CORPORATION. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope 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. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/tegra.h> -#include <asm/arch-tegra/pmc.h> -#include "../tegra-common/cpu.h" - -static void enable_cpu_power_rail(void) -{ - struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE; - u32 reg; - - reg = readl(&pmc->pmc_cntrl); - reg |= CPUPWRREQ_OE; - writel(reg, &pmc->pmc_cntrl); - - /* - * The TI PMU65861C needs a 3.75ms delay between enabling - * the power rail and enabling the CPU clock. This delay - * between SM1EN and SM1 is for switching time + the ramp - * up of the voltage to the CPU (VDD_CPU from PMU). - */ - udelay(3750); -} - -void start_cpu(u32 reset_vector) -{ - /* Enable VDD_CPU */ - enable_cpu_power_rail(); - - /* Hold the CPUs in reset */ - reset_A9_cpu(1); - - /* Disable the CPU clock */ - enable_cpu_clock(0); - - /* Enable CoreSight */ - clock_enable_coresight(1); - - /* - * Set the entry point for CPU execution from reset, - * if it's a non-zero value. - */ - if (reset_vector) - writel(reset_vector, EXCEP_VECTOR_CPU_RESET_VECTOR); - - /* Enable the CPU clock */ - enable_cpu_clock(1); - - /* If the CPU doesn't already have power, power it up */ - powerup_cpu(); - - /* Take the CPU out of reset */ - reset_A9_cpu(0); -} |