58 lines
1.1 KiB
C
58 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Keystone EVM : Board initialization
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*
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* (C) Copyright 2014
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* Texas Instruments Incorporated, <www.ti.com>
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*/
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#include <common.h>
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#include <asm/io.h>
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#include <asm/arch/psc_defs.h>
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#include <asm/arch/hardware.h>
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/**
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* cpu_to_bus - swap bytes of the 32-bit data if the device is BE
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* @ptr - array of data
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* @length - lenght of data array
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*/
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int cpu_to_bus(u32 *ptr, u32 length)
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{
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u32 i;
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if (!(readl(KS2_DEVSTAT) & 0x1))
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for (i = 0; i < length; i++, ptr++)
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*ptr = cpu_to_be32(*ptr);
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return 0;
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}
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static void turn_off_all_dsps(int num_dsps)
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{
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int i;
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for (i = 0; i < num_dsps; i++) {
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if (psc_disable_module(i + KS2_LPSC_GEM_0))
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printf("Cannot disable module for #%d DSP", i);
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if (psc_disable_domain(i + KS2_GEM_0_PWR_DOMAIN))
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printf("Cannot disable domain for #%d DSP", i);
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}
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}
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int misc_init_r(void)
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{
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char *env;
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long ks2_debug = 0;
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env = env_get("ks2_debug");
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if (env)
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ks2_debug = simple_strtol(env, NULL, 0);
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if ((ks2_debug & DBG_LEAVE_DSPS_ON) == 0)
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turn_off_all_dsps(KS2_NUM_DSPS);
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return 0;
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}
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