mirror of https://gitee.com/openkylin/linux.git
260 lines
5.6 KiB
C
260 lines
5.6 KiB
C
/*
|
|
* arch/arm/mach-spear3xx/spear310.c
|
|
*
|
|
* SPEAr310 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) "SPEAr310: " fmt
|
|
|
|
#include <linux/amba/pl08x.h>
|
|
#include <linux/amba/serial.h>
|
|
#include <linux/of_platform.h>
|
|
#include <asm/mach/arch.h>
|
|
#include "generic.h"
|
|
#include <mach/spear.h>
|
|
|
|
#define SPEAR310_UART1_BASE UL(0xB2000000)
|
|
#define SPEAR310_UART2_BASE UL(0xB2080000)
|
|
#define SPEAR310_UART3_BASE UL(0xB2100000)
|
|
#define SPEAR310_UART4_BASE UL(0xB2180000)
|
|
#define SPEAR310_UART5_BASE UL(0xB2200000)
|
|
|
|
/* DMAC platform data's slave info */
|
|
struct pl08x_channel_data spear310_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 = "uart1_rx",
|
|
.min_signal = 0,
|
|
.max_signal = 0,
|
|
.muxval = 1,
|
|
.periph_buses = PL08X_AHB1,
|
|
}, {
|
|
.bus_id = "uart1_tx",
|
|
.min_signal = 1,
|
|
.max_signal = 1,
|
|
.muxval = 1,
|
|
.periph_buses = PL08X_AHB1,
|
|
}, {
|
|
.bus_id = "uart2_rx",
|
|
.min_signal = 2,
|
|
.max_signal = 2,
|
|
.muxval = 1,
|
|
.periph_buses = PL08X_AHB1,
|
|
}, {
|
|
.bus_id = "uart2_tx",
|
|
.min_signal = 3,
|
|
.max_signal = 3,
|
|
.muxval = 1,
|
|
.periph_buses = PL08X_AHB1,
|
|
}, {
|
|
.bus_id = "uart3_rx",
|
|
.min_signal = 4,
|
|
.max_signal = 4,
|
|
.muxval = 1,
|
|
.periph_buses = PL08X_AHB1,
|
|
}, {
|
|
.bus_id = "uart3_tx",
|
|
.min_signal = 5,
|
|
.max_signal = 5,
|
|
.muxval = 1,
|
|
.periph_buses = PL08X_AHB1,
|
|
}, {
|
|
.bus_id = "uart4_rx",
|
|
.min_signal = 6,
|
|
.max_signal = 6,
|
|
.muxval = 1,
|
|
.periph_buses = PL08X_AHB1,
|
|
}, {
|
|
.bus_id = "uart4_tx",
|
|
.min_signal = 7,
|
|
.max_signal = 7,
|
|
.muxval = 1,
|
|
.periph_buses = PL08X_AHB1,
|
|
}, {
|
|
.bus_id = "uart5_rx",
|
|
.min_signal = 8,
|
|
.max_signal = 8,
|
|
.muxval = 1,
|
|
.periph_buses = PL08X_AHB1,
|
|
}, {
|
|
.bus_id = "uart5_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,
|
|
},
|
|
};
|
|
|
|
/* uart devices plat data */
|
|
static struct amba_pl011_data spear310_uart_data[] = {
|
|
{
|
|
.dma_filter = pl08x_filter_id,
|
|
.dma_tx_param = "uart1_tx",
|
|
.dma_rx_param = "uart1_rx",
|
|
}, {
|
|
.dma_filter = pl08x_filter_id,
|
|
.dma_tx_param = "uart2_tx",
|
|
.dma_rx_param = "uart2_rx",
|
|
}, {
|
|
.dma_filter = pl08x_filter_id,
|
|
.dma_tx_param = "uart3_tx",
|
|
.dma_rx_param = "uart3_rx",
|
|
}, {
|
|
.dma_filter = pl08x_filter_id,
|
|
.dma_tx_param = "uart4_tx",
|
|
.dma_rx_param = "uart4_rx",
|
|
}, {
|
|
.dma_filter = pl08x_filter_id,
|
|
.dma_tx_param = "uart5_tx",
|
|
.dma_rx_param = "uart5_rx",
|
|
},
|
|
};
|
|
|
|
/* Add SPEAr310 auxdata to pass platform data */
|
|
static struct of_dev_auxdata spear310_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),
|
|
OF_DEV_AUXDATA("arm,pl011", SPEAR310_UART1_BASE, NULL,
|
|
&spear310_uart_data[0]),
|
|
OF_DEV_AUXDATA("arm,pl011", SPEAR310_UART2_BASE, NULL,
|
|
&spear310_uart_data[1]),
|
|
OF_DEV_AUXDATA("arm,pl011", SPEAR310_UART3_BASE, NULL,
|
|
&spear310_uart_data[2]),
|
|
OF_DEV_AUXDATA("arm,pl011", SPEAR310_UART4_BASE, NULL,
|
|
&spear310_uart_data[3]),
|
|
OF_DEV_AUXDATA("arm,pl011", SPEAR310_UART5_BASE, NULL,
|
|
&spear310_uart_data[4]),
|
|
{}
|
|
};
|
|
|
|
static void __init spear310_dt_init(void)
|
|
{
|
|
pl080_plat_data.slave_channels = spear310_dma_info;
|
|
pl080_plat_data.num_slave_channels = ARRAY_SIZE(spear310_dma_info);
|
|
|
|
of_platform_default_populate(NULL, spear310_auxdata_lookup, NULL);
|
|
}
|
|
|
|
static const char * const spear310_dt_board_compat[] = {
|
|
"st,spear310",
|
|
"st,spear310-evb",
|
|
NULL,
|
|
};
|
|
|
|
static void __init spear310_map_io(void)
|
|
{
|
|
spear3xx_map_io();
|
|
}
|
|
|
|
DT_MACHINE_START(SPEAR310_DT, "ST SPEAr310 SoC with Flattened Device Tree")
|
|
.map_io = spear310_map_io,
|
|
.init_time = spear3xx_timer_init,
|
|
.init_machine = spear310_dt_init,
|
|
.restart = spear_restart,
|
|
.dt_compat = spear310_dt_board_compat,
|
|
MACHINE_END
|