|
|
|
/*
|
|
|
|
* arch/arm/mach-spear3xx/spear300.c
|
|
|
|
*
|
|
|
|
* SPEAr300 machine source file
|
|
|
|
*
|
|
|
|
* Copyright (C) 2009-2012 ST Microelectronics
|
|
|
|
* Viresh Kumar <vireshk@kernel.org>
|
|
|
|
*
|
|
|
|
* This file is licensed under the terms of the GNU General Public
|
|
|
|
* License version 2. This program is licensed "as is" without any
|
|
|
|
* warranty of any kind, whether express or implied.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#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 <mach/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
|