[people/arne_f/kernel.git] / arch / arm / mach-spear / spear300.c

/*
 * arch/arm/mach-spear3xx/spear300.c
 *
 * SPEAr300 machine source file
 *
 * Copyright (C) 2009-2012 ST Microelectronics
 * Viresh Kumar <viresh.linux@gmail.com>
 *
 * 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_populate(NULL, of_default_bus_match_table,
			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
Commit	Line	Data
bc4e814e	1	/*
	2	* arch/arm/mach-spear3xx/spear300.c
	3	*
	4	* SPEAr300 machine source file
	5	*
c5fa4fdc	6	* Copyright (C) 2009-2012 ST Microelectronics
10d8935f	7	* Viresh Kumar <viresh.linux@gmail.com>
bc4e814e	8	*
	9	* This file is licensed under the terms of the GNU General Public
	10	* License version 2. This program is licensed "as is" without any
	11	* warranty of any kind, whether express or implied.
	12	*/
	13
5fb00f96 VK	14	#define pr_fmt(fmt) "SPEAr300: " fmt
5fb00f96 VK	15
0b7ee717	16	#include <linux/amba/pl08x.h>
c5fa4fdc	17	#include <linux/of_platform.h>
c5fa4fdc	18	#include <asm/mach/arch.h>
2b9c613c	19	#include "generic.h"
5019f0b1 AB	20	#include <mach/spear.h>
5019f0b1 AB	21
0b7ee717 VK	22	/* DMAC platform data's slave info */
	23	struct pl08x_channel_data spear300_dma_info[] = {
	24	{
	25	.bus_id = "uart0_rx",
	26	.min_signal = 2,
	27	.max_signal = 2,
	28	.muxval = 0,
0b7ee717 VK	29	.periph_buses = PL08X_AHB1,
	30	}, {
	31	.bus_id = "uart0_tx",
	32	.min_signal = 3,
	33	.max_signal = 3,
	34	.muxval = 0,
0b7ee717 VK	35	.periph_buses = PL08X_AHB1,
	36	}, {
	37	.bus_id = "ssp0_rx",
	38	.min_signal = 8,
	39	.max_signal = 8,
	40	.muxval = 0,
0b7ee717 VK	41	.periph_buses = PL08X_AHB1,
	42	}, {
	43	.bus_id = "ssp0_tx",
	44	.min_signal = 9,
	45	.max_signal = 9,
	46	.muxval = 0,
0b7ee717 VK	47	.periph_buses = PL08X_AHB1,
	48	}, {
	49	.bus_id = "i2c_rx",
	50	.min_signal = 10,
	51	.max_signal = 10,
	52	.muxval = 0,
0b7ee717 VK	53	.periph_buses = PL08X_AHB1,
	54	}, {
	55	.bus_id = "i2c_tx",
	56	.min_signal = 11,
	57	.max_signal = 11,
	58	.muxval = 0,
0b7ee717 VK	59	.periph_buses = PL08X_AHB1,
	60	}, {
	61	.bus_id = "irda",
	62	.min_signal = 12,
	63	.max_signal = 12,
	64	.muxval = 0,
0b7ee717 VK	65	.periph_buses = PL08X_AHB1,
	66	}, {
	67	.bus_id = "adc",
	68	.min_signal = 13,
	69	.max_signal = 13,
	70	.muxval = 0,
0b7ee717 VK	71	.periph_buses = PL08X_AHB1,
	72	}, {
	73	.bus_id = "to_jpeg",
	74	.min_signal = 14,
	75	.max_signal = 14,
	76	.muxval = 0,
0b7ee717 VK	77	.periph_buses = PL08X_AHB1,
	78	}, {
	79	.bus_id = "from_jpeg",
	80	.min_signal = 15,
	81	.max_signal = 15,
	82	.muxval = 0,
0b7ee717 VK	83	.periph_buses = PL08X_AHB1,
	84	}, {
	85	.bus_id = "ras0_rx",
	86	.min_signal = 0,
	87	.max_signal = 0,
	88	.muxval = 1,
0b7ee717 VK	89	.periph_buses = PL08X_AHB1,
	90	}, {
	91	.bus_id = "ras0_tx",
	92	.min_signal = 1,
	93	.max_signal = 1,
	94	.muxval = 1,
0b7ee717 VK	95	.periph_buses = PL08X_AHB1,
	96	}, {
	97	.bus_id = "ras1_rx",
	98	.min_signal = 2,
	99	.max_signal = 2,
	100	.muxval = 1,
0b7ee717 VK	101	.periph_buses = PL08X_AHB1,
	102	}, {
	103	.bus_id = "ras1_tx",
	104	.min_signal = 3,
	105	.max_signal = 3,
	106	.muxval = 1,
0b7ee717 VK	107	.periph_buses = PL08X_AHB1,
	108	}, {
	109	.bus_id = "ras2_rx",
	110	.min_signal = 4,
	111	.max_signal = 4,
	112	.muxval = 1,
0b7ee717 VK	113	.periph_buses = PL08X_AHB1,
	114	}, {
	115	.bus_id = "ras2_tx",
	116	.min_signal = 5,
	117	.max_signal = 5,
	118	.muxval = 1,
0b7ee717 VK	119	.periph_buses = PL08X_AHB1,
	120	}, {
	121	.bus_id = "ras3_rx",
	122	.min_signal = 6,
	123	.max_signal = 6,
	124	.muxval = 1,
0b7ee717 VK	125	.periph_buses = PL08X_AHB1,
	126	}, {
	127	.bus_id = "ras3_tx",
	128	.min_signal = 7,
	129	.max_signal = 7,
	130	.muxval = 1,
0b7ee717 VK	131	.periph_buses = PL08X_AHB1,
	132	}, {
	133	.bus_id = "ras4_rx",
	134	.min_signal = 8,
	135	.max_signal = 8,
	136	.muxval = 1,
0b7ee717 VK	137	.periph_buses = PL08X_AHB1,
	138	}, {
	139	.bus_id = "ras4_tx",
	140	.min_signal = 9,
	141	.max_signal = 9,
	142	.muxval = 1,
0b7ee717 VK	143	.periph_buses = PL08X_AHB1,
	144	}, {
	145	.bus_id = "ras5_rx",
	146	.min_signal = 10,
	147	.max_signal = 10,
	148	.muxval = 1,
0b7ee717 VK	149	.periph_buses = PL08X_AHB1,
	150	}, {
	151	.bus_id = "ras5_tx",
	152	.min_signal = 11,
	153	.max_signal = 11,
	154	.muxval = 1,
0b7ee717 VK	155	.periph_buses = PL08X_AHB1,
	156	}, {
	157	.bus_id = "ras6_rx",
	158	.min_signal = 12,
	159	.max_signal = 12,
	160	.muxval = 1,
0b7ee717 VK	161	.periph_buses = PL08X_AHB1,
	162	}, {
	163	.bus_id = "ras6_tx",
	164	.min_signal = 13,
	165	.max_signal = 13,
	166	.muxval = 1,
0b7ee717 VK	167	.periph_buses = PL08X_AHB1,
	168	}, {
	169	.bus_id = "ras7_rx",
	170	.min_signal = 14,
	171	.max_signal = 14,
	172	.muxval = 1,
0b7ee717 VK	173	.periph_buses = PL08X_AHB1,
	174	}, {
	175	.bus_id = "ras7_tx",
	176	.min_signal = 15,
	177	.max_signal = 15,
	178	.muxval = 1,
0b7ee717 VK	179	.periph_buses = PL08X_AHB1,
	180	},
	181	};
	182
c5fa4fdc VK	183	/* Add SPEAr300 auxdata to pass platform data */
	184	static struct of_dev_auxdata spear300_auxdata_lookup[] __initdata = {
	185	OF_DEV_AUXDATA("arm,pl022", SPEAR3XX_ICM1_SSP_BASE, NULL,
	186	&pl022_plat_data),
d42799b7	187	OF_DEV_AUXDATA("arm,pl080", SPEAR_ICM3_DMA_BASE, NULL,
0b7ee717	188	&pl080_plat_data),
c5fa4fdc VK	189	{}
c5fa4fdc VK	190	};
c2c07831	191
c5fa4fdc	192	static void __init spear300_dt_init(void)
bc4e814e	193	{
0b7ee717 VK	194	pl080_plat_data.slave_channels = spear300_dma_info;
	195	pl080_plat_data.num_slave_channels = ARRAY_SIZE(spear300_dma_info);
	196
c5fa4fdc VK	197	of_platform_populate(NULL, of_default_bus_match_table,
c5fa4fdc VK	198	spear300_auxdata_lookup, NULL);
70f4c0bf	199	}
c5fa4fdc VK	200
	201	static const char * const spear300_dt_board_compat[] = {
	202	"st,spear300",
	203	"st,spear300-evb",
	204	NULL,
	205	};
	206
	207	static void __init spear300_map_io(void)
	208	{
	209	spear3xx_map_io();
c5fa4fdc VK	210	}
	211
	212	DT_MACHINE_START(SPEAR300_DT, "ST SPEAr300 SoC with Flattened Device Tree")
	213	.map_io = spear300_map_io,
6bb27d73	214	.init_time = spear3xx_timer_init,
c5fa4fdc VK	215	.init_machine = spear300_dt_init,
	216	.restart = spear_restart,
	217	.dt_compat = spear300_dt_board_compat,
	218	MACHINE_END