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14#define pr_fmt(fmt) "SPEAr310: " fmt
15
16#include <linux/amba/pl08x.h>
17#include <linux/amba/serial.h>
18#include <linux/of_platform.h>
19#include <asm/mach/arch.h>
20#include "generic.h"
21#include <mach/spear.h>
22
23#define SPEAR310_UART1_BASE UL(0xB2000000)
24#define SPEAR310_UART2_BASE UL(0xB2080000)
25#define SPEAR310_UART3_BASE UL(0xB2100000)
26#define SPEAR310_UART4_BASE UL(0xB2180000)
27#define SPEAR310_UART5_BASE UL(0xB2200000)
28
29
30struct pl08x_channel_data spear310_dma_info[] = {
31 {
32 .bus_id = "uart0_rx",
33 .min_signal = 2,
34 .max_signal = 2,
35 .muxval = 0,
36 .periph_buses = PL08X_AHB1,
37 }, {
38 .bus_id = "uart0_tx",
39 .min_signal = 3,
40 .max_signal = 3,
41 .muxval = 0,
42 .periph_buses = PL08X_AHB1,
43 }, {
44 .bus_id = "ssp0_rx",
45 .min_signal = 8,
46 .max_signal = 8,
47 .muxval = 0,
48 .periph_buses = PL08X_AHB1,
49 }, {
50 .bus_id = "ssp0_tx",
51 .min_signal = 9,
52 .max_signal = 9,
53 .muxval = 0,
54 .periph_buses = PL08X_AHB1,
55 }, {
56 .bus_id = "i2c_rx",
57 .min_signal = 10,
58 .max_signal = 10,
59 .muxval = 0,
60 .periph_buses = PL08X_AHB1,
61 }, {
62 .bus_id = "i2c_tx",
63 .min_signal = 11,
64 .max_signal = 11,
65 .muxval = 0,
66 .periph_buses = PL08X_AHB1,
67 }, {
68 .bus_id = "irda",
69 .min_signal = 12,
70 .max_signal = 12,
71 .muxval = 0,
72 .periph_buses = PL08X_AHB1,
73 }, {
74 .bus_id = "adc",
75 .min_signal = 13,
76 .max_signal = 13,
77 .muxval = 0,
78 .periph_buses = PL08X_AHB1,
79 }, {
80 .bus_id = "to_jpeg",
81 .min_signal = 14,
82 .max_signal = 14,
83 .muxval = 0,
84 .periph_buses = PL08X_AHB1,
85 }, {
86 .bus_id = "from_jpeg",
87 .min_signal = 15,
88 .max_signal = 15,
89 .muxval = 0,
90 .periph_buses = PL08X_AHB1,
91 }, {
92 .bus_id = "uart1_rx",
93 .min_signal = 0,
94 .max_signal = 0,
95 .muxval = 1,
96 .periph_buses = PL08X_AHB1,
97 }, {
98 .bus_id = "uart1_tx",
99 .min_signal = 1,
100 .max_signal = 1,
101 .muxval = 1,
102 .periph_buses = PL08X_AHB1,
103 }, {
104 .bus_id = "uart2_rx",
105 .min_signal = 2,
106 .max_signal = 2,
107 .muxval = 1,
108 .periph_buses = PL08X_AHB1,
109 }, {
110 .bus_id = "uart2_tx",
111 .min_signal = 3,
112 .max_signal = 3,
113 .muxval = 1,
114 .periph_buses = PL08X_AHB1,
115 }, {
116 .bus_id = "uart3_rx",
117 .min_signal = 4,
118 .max_signal = 4,
119 .muxval = 1,
120 .periph_buses = PL08X_AHB1,
121 }, {
122 .bus_id = "uart3_tx",
123 .min_signal = 5,
124 .max_signal = 5,
125 .muxval = 1,
126 .periph_buses = PL08X_AHB1,
127 }, {
128 .bus_id = "uart4_rx",
129 .min_signal = 6,
130 .max_signal = 6,
131 .muxval = 1,
132 .periph_buses = PL08X_AHB1,
133 }, {
134 .bus_id = "uart4_tx",
135 .min_signal = 7,
136 .max_signal = 7,
137 .muxval = 1,
138 .periph_buses = PL08X_AHB1,
139 }, {
140 .bus_id = "uart5_rx",
141 .min_signal = 8,
142 .max_signal = 8,
143 .muxval = 1,
144 .periph_buses = PL08X_AHB1,
145 }, {
146 .bus_id = "uart5_tx",
147 .min_signal = 9,
148 .max_signal = 9,
149 .muxval = 1,
150 .periph_buses = PL08X_AHB1,
151 }, {
152 .bus_id = "ras5_rx",
153 .min_signal = 10,
154 .max_signal = 10,
155 .muxval = 1,
156 .periph_buses = PL08X_AHB1,
157 }, {
158 .bus_id = "ras5_tx",
159 .min_signal = 11,
160 .max_signal = 11,
161 .muxval = 1,
162 .periph_buses = PL08X_AHB1,
163 }, {
164 .bus_id = "ras6_rx",
165 .min_signal = 12,
166 .max_signal = 12,
167 .muxval = 1,
168 .periph_buses = PL08X_AHB1,
169 }, {
170 .bus_id = "ras6_tx",
171 .min_signal = 13,
172 .max_signal = 13,
173 .muxval = 1,
174 .periph_buses = PL08X_AHB1,
175 }, {
176 .bus_id = "ras7_rx",
177 .min_signal = 14,
178 .max_signal = 14,
179 .muxval = 1,
180 .periph_buses = PL08X_AHB1,
181 }, {
182 .bus_id = "ras7_tx",
183 .min_signal = 15,
184 .max_signal = 15,
185 .muxval = 1,
186 .periph_buses = PL08X_AHB1,
187 },
188};
189
190
191static struct amba_pl011_data spear310_uart_data[] = {
192 {
193 .dma_filter = pl08x_filter_id,
194 .dma_tx_param = "uart1_tx",
195 .dma_rx_param = "uart1_rx",
196 }, {
197 .dma_filter = pl08x_filter_id,
198 .dma_tx_param = "uart2_tx",
199 .dma_rx_param = "uart2_rx",
200 }, {
201 .dma_filter = pl08x_filter_id,
202 .dma_tx_param = "uart3_tx",
203 .dma_rx_param = "uart3_rx",
204 }, {
205 .dma_filter = pl08x_filter_id,
206 .dma_tx_param = "uart4_tx",
207 .dma_rx_param = "uart4_rx",
208 }, {
209 .dma_filter = pl08x_filter_id,
210 .dma_tx_param = "uart5_tx",
211 .dma_rx_param = "uart5_rx",
212 },
213};
214
215
216static struct of_dev_auxdata spear310_auxdata_lookup[] __initdata = {
217 OF_DEV_AUXDATA("arm,pl022", SPEAR3XX_ICM1_SSP_BASE, NULL,
218 &pl022_plat_data),
219 OF_DEV_AUXDATA("arm,pl080", SPEAR_ICM3_DMA_BASE, NULL,
220 &pl080_plat_data),
221 OF_DEV_AUXDATA("arm,pl011", SPEAR310_UART1_BASE, NULL,
222 &spear310_uart_data[0]),
223 OF_DEV_AUXDATA("arm,pl011", SPEAR310_UART2_BASE, NULL,
224 &spear310_uart_data[1]),
225 OF_DEV_AUXDATA("arm,pl011", SPEAR310_UART3_BASE, NULL,
226 &spear310_uart_data[2]),
227 OF_DEV_AUXDATA("arm,pl011", SPEAR310_UART4_BASE, NULL,
228 &spear310_uart_data[3]),
229 OF_DEV_AUXDATA("arm,pl011", SPEAR310_UART5_BASE, NULL,
230 &spear310_uart_data[4]),
231 {}
232};
233
234static void __init spear310_dt_init(void)
235{
236 pl080_plat_data.slave_channels = spear310_dma_info;
237 pl080_plat_data.num_slave_channels = ARRAY_SIZE(spear310_dma_info);
238
239 of_platform_default_populate(NULL, spear310_auxdata_lookup, NULL);
240}
241
242static const char * const spear310_dt_board_compat[] = {
243 "st,spear310",
244 "st,spear310-evb",
245 NULL,
246};
247
248static void __init spear310_map_io(void)
249{
250 spear3xx_map_io();
251}
252
253DT_MACHINE_START(SPEAR310_DT, "ST SPEAr310 SoC with Flattened Device Tree")
254 .map_io = spear310_map_io,
255 .init_time = spear3xx_timer_init,
256 .init_machine = spear310_dt_init,
257 .restart = spear_restart,
258 .dt_compat = spear310_dt_board_compat,
259MACHINE_END
260
