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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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cd4a05f9df
This allows us to have more mapping functions for more than one i.MX architecture in the kernel. As this is the earliest board specific hook we have, also use it to set the cpu type. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
92 lines
2.4 KiB
C
92 lines
2.4 KiB
C
/*
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* Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/clk.h>
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#include <linux/irq.h>
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#include <mach/hardware.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/time.h>
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#include <asm/memory.h>
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#include <asm/mach/map.h>
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#include <mach/common.h>
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#include <mach/board-mx31pdk.h>
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#include <mach/imx-uart.h>
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#include <mach/iomux-mx3.h>
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#include "devices.h"
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/*!
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* @file mx31pdk.c
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*
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* @brief This file contains the board-specific initialization routines.
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*
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* @ingroup System
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*/
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static struct imxuart_platform_data uart_pdata = {
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.flags = IMXUART_HAVE_RTSCTS,
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};
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static int uart_pins[] = {
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MX31_PIN_CTS1__CTS1,
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MX31_PIN_RTS1__RTS1,
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MX31_PIN_TXD1__TXD1,
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MX31_PIN_RXD1__RXD1
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};
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static inline void mxc_init_imx_uart(void)
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{
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mxc_iomux_setup_multiple_pins(uart_pins, ARRAY_SIZE(uart_pins), "uart-0");
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mxc_register_device(&mxc_uart_device0, &uart_pdata);
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}
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/*!
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* Board specific initialization.
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*/
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static void __init mxc_board_init(void)
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{
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mxc_init_imx_uart();
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}
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static void __init mx31pdk_timer_init(void)
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{
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mx31_clocks_init(26000000);
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}
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static struct sys_timer mx31pdk_timer = {
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.init = mx31pdk_timer_init,
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};
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/*
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* The following uses standard kernel macros defined in arch.h in order to
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* initialize __mach_desc_MX31PDK data structure.
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*/
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MACHINE_START(MX31_3DS, "Freescale MX31PDK (3DS)")
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/* Maintainer: Freescale Semiconductor, Inc. */
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.phys_io = AIPS1_BASE_ADDR,
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.io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
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.boot_params = PHYS_OFFSET + 0x100,
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.map_io = mx31_map_io,
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.init_irq = mxc_init_irq,
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.init_machine = mxc_board_init,
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.timer = &mx31pdk_timer,
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MACHINE_END
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