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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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6098ecb426
Commit ebafed7a ("ARM: irq: Call irqchip_init if no init_irq function is
specified") removed the need to explictly setup the init_irq field in
the machine description when using only irqchip_init. Remove that
declaration for spear as well.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
219 lines
4.4 KiB
C
219 lines
4.4 KiB
C
/*
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* arch/arm/mach-spear3xx/spear300.c
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*
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* SPEAr300 machine source file
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*
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* Copyright (C) 2009-2012 ST Microelectronics
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* Viresh Kumar <viresh.linux@gmail.com>
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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#define pr_fmt(fmt) "SPEAr300: " fmt
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#include <linux/amba/pl08x.h>
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#include <linux/of_platform.h>
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#include <asm/mach/arch.h>
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#include "generic.h"
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#include <mach/spear.h>
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/* DMAC platform data's slave info */
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struct pl08x_channel_data spear300_dma_info[] = {
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{
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.bus_id = "uart0_rx",
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.min_signal = 2,
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.max_signal = 2,
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.muxval = 0,
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.periph_buses = PL08X_AHB1,
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}, {
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.bus_id = "uart0_tx",
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.min_signal = 3,
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.max_signal = 3,
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.muxval = 0,
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.periph_buses = PL08X_AHB1,
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}, {
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.bus_id = "ssp0_rx",
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.min_signal = 8,
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.max_signal = 8,
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.muxval = 0,
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.periph_buses = PL08X_AHB1,
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}, {
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.bus_id = "ssp0_tx",
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.min_signal = 9,
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.max_signal = 9,
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.muxval = 0,
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.periph_buses = PL08X_AHB1,
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}, {
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.bus_id = "i2c_rx",
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.min_signal = 10,
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.max_signal = 10,
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.muxval = 0,
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.periph_buses = PL08X_AHB1,
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}, {
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.bus_id = "i2c_tx",
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.min_signal = 11,
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.max_signal = 11,
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.muxval = 0,
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.periph_buses = PL08X_AHB1,
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}, {
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.bus_id = "irda",
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.min_signal = 12,
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.max_signal = 12,
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.muxval = 0,
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.periph_buses = PL08X_AHB1,
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}, {
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.bus_id = "adc",
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.min_signal = 13,
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.max_signal = 13,
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.muxval = 0,
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.periph_buses = PL08X_AHB1,
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}, {
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.bus_id = "to_jpeg",
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.min_signal = 14,
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.max_signal = 14,
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.muxval = 0,
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.periph_buses = PL08X_AHB1,
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}, {
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.bus_id = "from_jpeg",
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.min_signal = 15,
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.max_signal = 15,
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.muxval = 0,
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.periph_buses = PL08X_AHB1,
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}, {
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.bus_id = "ras0_rx",
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.min_signal = 0,
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.max_signal = 0,
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.muxval = 1,
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.periph_buses = PL08X_AHB1,
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}, {
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.bus_id = "ras0_tx",
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.min_signal = 1,
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.max_signal = 1,
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.muxval = 1,
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.periph_buses = PL08X_AHB1,
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}, {
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.bus_id = "ras1_rx",
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.min_signal = 2,
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.max_signal = 2,
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.muxval = 1,
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.periph_buses = PL08X_AHB1,
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}, {
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.bus_id = "ras1_tx",
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.min_signal = 3,
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.max_signal = 3,
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.muxval = 1,
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.periph_buses = PL08X_AHB1,
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}, {
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.bus_id = "ras2_rx",
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.min_signal = 4,
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.max_signal = 4,
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.muxval = 1,
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.periph_buses = PL08X_AHB1,
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}, {
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.bus_id = "ras2_tx",
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.min_signal = 5,
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.max_signal = 5,
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.muxval = 1,
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.periph_buses = PL08X_AHB1,
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}, {
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.bus_id = "ras3_rx",
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.min_signal = 6,
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.max_signal = 6,
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.muxval = 1,
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.periph_buses = PL08X_AHB1,
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}, {
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.bus_id = "ras3_tx",
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.min_signal = 7,
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.max_signal = 7,
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.muxval = 1,
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.periph_buses = PL08X_AHB1,
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}, {
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.bus_id = "ras4_rx",
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.min_signal = 8,
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.max_signal = 8,
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.muxval = 1,
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.periph_buses = PL08X_AHB1,
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}, {
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.bus_id = "ras4_tx",
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.min_signal = 9,
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.max_signal = 9,
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.muxval = 1,
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.periph_buses = PL08X_AHB1,
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}, {
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.bus_id = "ras5_rx",
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.min_signal = 10,
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.max_signal = 10,
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.muxval = 1,
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.periph_buses = PL08X_AHB1,
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}, {
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.bus_id = "ras5_tx",
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.min_signal = 11,
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.max_signal = 11,
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.muxval = 1,
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.periph_buses = PL08X_AHB1,
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}, {
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.bus_id = "ras6_rx",
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.min_signal = 12,
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.max_signal = 12,
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.muxval = 1,
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.periph_buses = PL08X_AHB1,
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}, {
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.bus_id = "ras6_tx",
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.min_signal = 13,
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.max_signal = 13,
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.muxval = 1,
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.periph_buses = PL08X_AHB1,
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}, {
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.bus_id = "ras7_rx",
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.min_signal = 14,
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.max_signal = 14,
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.muxval = 1,
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.periph_buses = PL08X_AHB1,
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}, {
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.bus_id = "ras7_tx",
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.min_signal = 15,
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.max_signal = 15,
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.muxval = 1,
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.periph_buses = PL08X_AHB1,
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},
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};
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/* Add SPEAr300 auxdata to pass platform data */
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static struct of_dev_auxdata spear300_auxdata_lookup[] __initdata = {
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OF_DEV_AUXDATA("arm,pl022", SPEAR3XX_ICM1_SSP_BASE, NULL,
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&pl022_plat_data),
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OF_DEV_AUXDATA("arm,pl080", SPEAR_ICM3_DMA_BASE, NULL,
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&pl080_plat_data),
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{}
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};
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static void __init spear300_dt_init(void)
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{
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pl080_plat_data.slave_channels = spear300_dma_info;
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pl080_plat_data.num_slave_channels = ARRAY_SIZE(spear300_dma_info);
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of_platform_populate(NULL, of_default_bus_match_table,
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spear300_auxdata_lookup, NULL);
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}
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static const char * const spear300_dt_board_compat[] = {
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"st,spear300",
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"st,spear300-evb",
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NULL,
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};
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static void __init spear300_map_io(void)
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{
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spear3xx_map_io();
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}
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DT_MACHINE_START(SPEAR300_DT, "ST SPEAr300 SoC with Flattened Device Tree")
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.map_io = spear300_map_io,
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.init_time = spear3xx_timer_init,
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.init_machine = spear300_dt_init,
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.restart = spear_restart,
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.dt_compat = spear300_dt_board_compat,
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MACHINE_END
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