// SPDX-License-Identifier: GPL-2.0-only
/*
 * arch/arm/mach-spear3xx/spear300.c
 *
 * SPEAr300 machine source file
 *
 * Copyright (C) 2009-2012 ST Microelectronics
 * Viresh Kumar <vireshk@kernel.org>
 */

#define pr_fmt(fmt) "SPEAr300: " fmt

#include <linux/amba/pl08x.h>
#include <linux/of_platform.h>
#include <asm/mach/arch.h>
#include "generic.h"
#include "spear.h"

/* DMAC platform data's slave info */
struct pl08x_channel_data spear300_dma_info[] = {
        {
                .bus_id = "uart0_rx",
                .min_signal = 2,
                .max_signal = 2,
                .muxval = 0,
                .periph_buses = PL08X_AHB1,
        }, {
                .bus_id = "uart0_tx",
                .min_signal = 3,
                .max_signal = 3,
                .muxval = 0,
                .periph_buses = PL08X_AHB1,
        }, {
                .bus_id = "ssp0_rx",
                .min_signal = 8,
                .max_signal = 8,
                .muxval = 0,
                .periph_buses = PL08X_AHB1,
        }, {
                .bus_id = "ssp0_tx",
                .min_signal = 9,
                .max_signal = 9,
                .muxval = 0,
                .periph_buses = PL08X_AHB1,
        }, {
                .bus_id = "i2c_rx",
                .min_signal = 10,
                .max_signal = 10,
                .muxval = 0,
                .periph_buses = PL08X_AHB1,
        }, {
                .bus_id = "i2c_tx",
                .min_signal = 11,
                .max_signal = 11,
                .muxval = 0,
                .periph_buses = PL08X_AHB1,
        }, {
                .bus_id = "irda",
                .min_signal = 12,
                .max_signal = 12,
                .muxval = 0,
                .periph_buses = PL08X_AHB1,
        }, {
                .bus_id = "adc",
                .min_signal = 13,
                .max_signal = 13,
                .muxval = 0,
                .periph_buses = PL08X_AHB1,
        }, {
                .bus_id = "to_jpeg",
                .min_signal = 14,
                .max_signal = 14,
                .muxval = 0,
                .periph_buses = PL08X_AHB1,
        }, {
                .bus_id = "from_jpeg",
                .min_signal = 15,
                .max_signal = 15,
                .muxval = 0,
                .periph_buses = PL08X_AHB1,
        }, {
                .bus_id = "ras0_rx",
                .min_signal = 0,
                .max_signal = 0,
                .muxval = 1,
                .periph_buses = PL08X_AHB1,
        }, {
                .bus_id = "ras0_tx",
                .min_signal = 1,
                .max_signal = 1,
                .muxval = 1,
                .periph_buses = PL08X_AHB1,
        }, {
                .bus_id = "ras1_rx",
                .min_signal = 2,
                .max_signal = 2,
                .muxval = 1,
                .periph_buses = PL08X_AHB1,
        }, {
                .bus_id = "ras1_tx",
                .min_signal = 3,
                .max_signal = 3,
                .muxval = 1,
                .periph_buses = PL08X_AHB1,
        }, {
                .bus_id = "ras2_rx",
                .min_signal = 4,
                .max_signal = 4,
                .muxval = 1,
                .periph_buses = PL08X_AHB1,
        }, {
                .bus_id = "ras2_tx",
                .min_signal = 5,
                .max_signal = 5,
                .muxval = 1,
                .periph_buses = PL08X_AHB1,
        }, {
                .bus_id = "ras3_rx",
                .min_signal = 6,
                .max_signal = 6,
                .muxval = 1,
                .periph_buses = PL08X_AHB1,
        }, {
                .bus_id = "ras3_tx",
                .min_signal = 7,
                .max_signal = 7,
                .muxval = 1,
                .periph_buses = PL08X_AHB1,
        }, {
                .bus_id = "ras4_rx",
                .min_signal = 8,
                .max_signal = 8,
                .muxval = 1,
                .periph_buses = PL08X_AHB1,
        }, {
                .bus_id = "ras4_tx",
                .min_signal = 9,
                .max_signal = 9,
                .muxval = 1,
                .periph_buses = PL08X_AHB1,
        }, {
                .bus_id = "ras5_rx",
                .min_signal = 10,
                .max_signal = 10,
                .muxval = 1,
                .periph_buses = PL08X_AHB1,
        }, {
                .bus_id = "ras5_tx",
                .min_signal = 11,
                .max_signal = 11,
                .muxval = 1,
                .periph_buses = PL08X_AHB1,
        }, {
                .bus_id = "ras6_rx",
                .min_signal = 12,
                .max_signal = 12,
                .muxval = 1,
                .periph_buses = PL08X_AHB1,
        }, {
                .bus_id = "ras6_tx",
                .min_signal = 13,
                .max_signal = 13,
                .muxval = 1,
                .periph_buses = PL08X_AHB1,
        }, {
                .bus_id = "ras7_rx",
                .min_signal = 14,
                .max_signal = 14,
                .muxval = 1,
                .periph_buses = PL08X_AHB1,
        }, {
                .bus_id = "ras7_tx",
                .min_signal = 15,
                .max_signal = 15,
                .muxval = 1,
                .periph_buses = PL08X_AHB1,
        },
};

/* Add SPEAr300 auxdata to pass platform data */
static struct of_dev_auxdata spear300_auxdata_lookup[] __initdata = {
        OF_DEV_AUXDATA("arm,pl022", SPEAR3XX_ICM1_SSP_BASE, NULL,
                        &pl022_plat_data),
        OF_DEV_AUXDATA("arm,pl080", SPEAR_ICM3_DMA_BASE, NULL,
                        &pl080_plat_data),
        {}
};

static void __init spear300_dt_init(void)
{
        pl080_plat_data.slave_channels = spear300_dma_info;
        pl080_plat_data.num_slave_channels = ARRAY_SIZE(spear300_dma_info);

        of_platform_default_populate(NULL, spear300_auxdata_lookup, NULL);
}

static const char * const spear300_dt_board_compat[] = {
        "st,spear300",
        "st,spear300-evb",
        NULL,
};

static void __init spear300_map_io(void)
{
        spear3xx_map_io();
}

DT_MACHINE_START(SPEAR300_DT, "ST SPEAr300 SoC with Flattened Device Tree")
        .map_io         =       spear300_map_io,
        .init_time      =       spear3xx_timer_init,
        .init_machine   =       spear300_dt_init,
        .restart        =       spear_restart,
        .dt_compat      =       spear300_dt_board_compat,
MACHINE_END