iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
b349b1181d
linux/arch/arm/mach-spear/spear320.c
Arnd Bergmann c164620ae2 ARM: spear: remove include/mach/ subdirectory 
Two of the remaining four headers are never used, the other
two are only used inside of the platform code. Move them
next to the files that include them and remove the
Makefile trick that adds the include path.

Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-04-29 09:53:15 +02:00

273 lines
5.8 KiB
C
Raw Blame History

/*
* arch/arm/mach-spear3xx/spear320.c
*
* SPEAr320 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) "SPEAr320: " fmt
#include <linux/amba/pl022.h>
#include <linux/amba/pl08x.h>
#include <linux/amba/serial.h>
#include <linux/of_platform.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include "generic.h"
#include "spear.h"
#define SPEAR320_UART1_BASE UL(0xA3000000)
#define SPEAR320_UART2_BASE UL(0xA4000000)
#define SPEAR320_SSP0_BASE UL(0xA5000000)
#define SPEAR320_SSP1_BASE UL(0xA6000000)
/* DMAC platform data's slave info */
struct pl08x_channel_data spear320_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 = "i2c0_rx",
.min_signal = 10,
.max_signal = 10,
.muxval = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "i2c0_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 = "ssp1_rx",
.min_signal = 0,
.max_signal = 0,
.muxval = 1,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "ssp1_tx",
.min_signal = 1,
.max_signal = 1,
.muxval = 1,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "ssp2_rx",
.min_signal = 2,
.max_signal = 2,
.muxval = 1,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "ssp2_tx",
.min_signal = 3,
.max_signal = 3,
.muxval = 1,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "uart1_rx",
.min_signal = 4,
.max_signal = 4,
.muxval = 1,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "uart1_tx",
.min_signal = 5,
.max_signal = 5,
.muxval = 1,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "uart2_rx",
.min_signal = 6,
.max_signal = 6,
.muxval = 1,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "uart2_tx",
.min_signal = 7,
.max_signal = 7,
.muxval = 1,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "i2c1_rx",
.min_signal = 8,
.max_signal = 8,
.muxval = 1,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "i2c1_tx",
.min_signal = 9,
.max_signal = 9,
.muxval = 1,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "i2c2_rx",
.min_signal = 10,
.max_signal = 10,
.muxval = 1,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "i2c2_tx",
.min_signal = 11,
.max_signal = 11,
.muxval = 1,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "i2s_rx",
.min_signal = 12,
.max_signal = 12,
.muxval = 1,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "i2s_tx",
.min_signal = 13,
.max_signal = 13,
.muxval = 1,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "rs485_rx",
.min_signal = 14,
.max_signal = 14,
.muxval = 1,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "rs485_tx",
.min_signal = 15,
.max_signal = 15,
.muxval = 1,
.periph_buses = PL08X_AHB2,
},
};
static struct pl022_ssp_controller spear320_ssp_data[] = {
{
.bus_id = 1,
.enable_dma = 1,
.dma_filter = pl08x_filter_id,
.dma_tx_param = "ssp1_tx",
.dma_rx_param = "ssp1_rx",
}, {
.bus_id = 2,
.enable_dma = 1,
.dma_filter = pl08x_filter_id,
.dma_tx_param = "ssp2_tx",
.dma_rx_param = "ssp2_rx",
}
};
static struct amba_pl011_data spear320_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",
},
};
/* Add SPEAr310 auxdata to pass platform data */
static struct of_dev_auxdata spear320_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,pl022", SPEAR320_SSP0_BASE, NULL,
&spear320_ssp_data[0]),
OF_DEV_AUXDATA("arm,pl022", SPEAR320_SSP1_BASE, NULL,
&spear320_ssp_data[1]),
OF_DEV_AUXDATA("arm,pl011", SPEAR320_UART1_BASE, NULL,
&spear320_uart_data[0]),
OF_DEV_AUXDATA("arm,pl011", SPEAR320_UART2_BASE, NULL,
&spear320_uart_data[1]),
{}
};
static void __init spear320_dt_init(void)
{
pl080_plat_data.slave_channels = spear320_dma_info;
pl080_plat_data.num_slave_channels = ARRAY_SIZE(spear320_dma_info);
of_platform_default_populate(NULL, spear320_auxdata_lookup, NULL);
}
static const char * const spear320_dt_board_compat[] = {
"st,spear320",
"st,spear320-evb",
"st,spear320-hmi",
NULL,
};
struct map_desc spear320_io_desc[] __initdata = {
{
.virtual = (unsigned long)VA_SPEAR320_SOC_CONFIG_BASE,
.pfn = __phys_to_pfn(SPEAR320_SOC_CONFIG_BASE),
.length = SZ_16M,
.type = MT_DEVICE
},
};
static void __init spear320_map_io(void)
{
iotable_init(spear320_io_desc, ARRAY_SIZE(spear320_io_desc));
spear3xx_map_io();
}
DT_MACHINE_START(SPEAR320_DT, "ST SPEAr320 SoC with Flattened Device Tree")
.map_io = spear320_map_io,
.init_time = spear3xx_timer_init,
.init_machine = spear320_dt_init,
.restart = spear_restart,
.dt_compat = spear320_dt_board_compat,
MACHINE_END
Reference in New Issue View Git Blame Copy Permalink