2 * arch/arm/mach-spear3xx/spear300.c
4 * SPEAr300 machine source file
6 * Copyright (C) 2009-2012 ST Microelectronics
7 * Viresh Kumar <vireshk@kernel.org>
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.
14 #define pr_fmt(fmt) "SPEAr300: " fmt
16 #include <linux/amba/pl08x.h>
17 #include <linux/of_platform.h>
18 #include <asm/mach/arch.h>
20 #include <mach/spear.h>
22 /* DMAC platform data's slave info */
23 struct pl08x_channel_data spear300_dma_info[] = {
29 .periph_buses = PL08X_AHB1,
35 .periph_buses = PL08X_AHB1,
41 .periph_buses = PL08X_AHB1,
47 .periph_buses = PL08X_AHB1,
53 .periph_buses = PL08X_AHB1,
59 .periph_buses = PL08X_AHB1,
65 .periph_buses = PL08X_AHB1,
71 .periph_buses = PL08X_AHB1,
77 .periph_buses = PL08X_AHB1,
79 .bus_id = "from_jpeg",
83 .periph_buses = PL08X_AHB1,
89 .periph_buses = PL08X_AHB1,
95 .periph_buses = PL08X_AHB1,
101 .periph_buses = PL08X_AHB1,
107 .periph_buses = PL08X_AHB1,
113 .periph_buses = PL08X_AHB1,
119 .periph_buses = PL08X_AHB1,
125 .periph_buses = PL08X_AHB1,
131 .periph_buses = PL08X_AHB1,
137 .periph_buses = PL08X_AHB1,
143 .periph_buses = PL08X_AHB1,
149 .periph_buses = PL08X_AHB1,
155 .periph_buses = PL08X_AHB1,
161 .periph_buses = PL08X_AHB1,
167 .periph_buses = PL08X_AHB1,
173 .periph_buses = PL08X_AHB1,
179 .periph_buses = PL08X_AHB1,
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,
187 OF_DEV_AUXDATA("arm,pl080", SPEAR_ICM3_DMA_BASE, NULL,
192 static void __init spear300_dt_init(void)
194 pl080_plat_data.slave_channels = spear300_dma_info;
195 pl080_plat_data.num_slave_channels = ARRAY_SIZE(spear300_dma_info);
197 of_platform_populate(NULL, of_default_bus_match_table,
198 spear300_auxdata_lookup, NULL);
201 static const char * const spear300_dt_board_compat[] = {
207 static void __init spear300_map_io(void)
212 DT_MACHINE_START(SPEAR300_DT, "ST SPEAr300 SoC with Flattened Device Tree")
213 .map_io = spear300_map_io,
214 .init_time = spear3xx_timer_init,
215 .init_machine = spear300_dt_init,
216 .restart = spear_restart,
217 .dt_compat = spear300_dt_board_compat,