2010-04-01 12:30:58 +01:00
/*
* arch / arm / mach - spear3xx / spear300 . c
*
* SPEAr300 machine source file
*
2012-03-23 00:17:43 +05:30
* Copyright ( C ) 2009 - 2012 ST Microelectronics
2012-06-20 12:53:02 -07:00
* Viresh Kumar < viresh . linux @ gmail . com >
2010-04-01 12:30:58 +01:00
*
* 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 .
*/
2012-03-26 10:39:43 +05:30
# define pr_fmt(fmt) "SPEAr300: " fmt
2012-03-26 10:29:23 +05:30
# include <linux/amba/pl08x.h>
2013-01-02 09:37:56 -06:00
# include <linux/irqchip.h>
2012-03-23 00:17:43 +05:30
# include <linux/of_platform.h>
# include <asm/mach/arch.h>
2012-12-02 15:49:04 +01:00
# include "generic.h"
2012-04-11 17:30:11 +00:00
# include <mach/spear.h>
2012-03-26 10:29:23 +05:30
/* 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 ,
} ,
} ;
2012-03-23 00:17:43 +05:30
/* 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 ) ,
2012-12-02 14:45:27 +01:00
OF_DEV_AUXDATA ( " arm,pl080 " , SPEAR_ICM3_DMA_BASE , NULL ,
2012-03-26 10:29:23 +05:30
& pl080_plat_data ) ,
2012-03-23 00:17:43 +05:30
{ }
} ;
2011-03-07 05:57:05 +01:00
2012-03-23 00:17:43 +05:30
static void __init spear300_dt_init ( void )
2010-04-01 12:30:58 +01:00
{
2012-03-26 10:29:23 +05:30
pl080_plat_data . slave_channels = spear300_dma_info ;
pl080_plat_data . num_slave_channels = ARRAY_SIZE ( spear300_dma_info ) ;
2012-03-23 00:17:43 +05:30
of_platform_populate ( NULL , of_default_bus_match_table ,
spear300_auxdata_lookup , NULL ) ;
2010-04-01 12:31:29 +01:00
}
2012-03-23 00:17:43 +05:30
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 ,
2013-01-02 09:37:56 -06:00
. init_irq = irqchip_init ,
2012-11-08 12:40:59 -07:00
. init_time = spear3xx_timer_init ,
2012-03-23 00:17:43 +05:30
. init_machine = spear300_dt_init ,
. restart = spear_restart ,
. dt_compat = spear300_dt_board_compat ,
MACHINE_END