Root/target/linux/lantiq/files/arch/mips/lantiq/svip/mach-easy336.c

1#include <linux/init.h>
2#include <linux/platform_device.h>
3#include <linux/leds.h>
4#include <linux/gpio.h>
5#include <linux/gpio_buttons.h>
6#include <linux/mtd/mtd.h>
7#include <linux/mtd/partitions.h>
8#include <linux/input.h>
9#include <linux/interrupt.h>
10#include <linux/spi/spi.h>
11#include <linux/spi/flash.h>
12#include "../machtypes.h"
13
14#include <sys1_reg.h>
15#include <sys2_reg.h>
16#include <svip_pms.h>
17
18#include "devices.h"
19
20static struct mtd_partition easy336_sflash_partitions[] = {
21    {
22        .name = "SPI flash",
23        .size = MTDPART_SIZ_FULL,
24        .offset = 0,
25    },
26};
27
28static struct flash_platform_data easy336_sflash_data = {
29    .name = "m25p32",
30    .parts = (void *)&easy336_sflash_partitions,
31    .nr_parts = ARRAY_SIZE(easy336_sflash_partitions),
32    .type = "m25p32",
33};
34
35static struct spi_board_info bdinfo[] __initdata = {
36    {
37        .modalias = "m25p80",
38        .platform_data = &easy336_sflash_data,
39        .mode = SPI_MODE_0,
40        .irq = -1,
41        .max_speed_hz = 25000000,
42        .bus_num = 0,
43        .chip_select = 0,
44    }
45};
46
47static struct mtd_partition easy336_partitions[] = {
48    {
49        .name = "uboot",
50        .offset = 0x0,
51        .size = 0x40000,
52    },
53    {
54        .name = "uboot_env",
55        .offset = 0x40000,
56        .size = 0x20000,
57    },
58    {
59        .name = "linux",
60        .offset = 0x60000,
61        .size = 0x1a0000,
62    },
63    {
64        .name = "rootfs",
65        .offset = 0x200000,
66        .size = 0x500000,
67    },
68};
69
70static struct physmap_flash_data easy336_flash_data = {
71    .nr_parts = ARRAY_SIZE(easy336_partitions),
72    .parts = easy336_partitions,
73};
74
75static const struct ltq_mux_pin mux_p0[LTQ_MUX_P0_PINS] = {
76    LTQ_MUX_P0_0_SSC0_MTSR,
77    LTQ_MUX_P0_1_SSC0_MRST,
78    LTQ_MUX_P0_2_SSC0_SCLK,
79    LTQ_MUX_P0_3_SSC1_MTSR,
80    LTQ_MUX_P0_4_SSC1_MRST,
81    LTQ_MUX_P0_5_SSC1_SCLK,
82    LTQ_MUX_P0_6_SSC0_CS0,
83    LTQ_MUX_P0_7_SSC0_CS1,
84    LTQ_MUX_P0_8_SSC0_CS2,
85    LTQ_MUX_P0_9_SSC0_CS3,
86    LTQ_MUX_P0_10_SSC0_CS4,
87    LTQ_MUX_P0_11_SSC0_CS5,
88    LTQ_MUX_P0_12_EXINT5,
89    LTQ_MUX_P0_13_EXINT6,
90    LTQ_MUX_P0_14_ASC0_TXD,
91    LTQ_MUX_P0_15_ASC0_RXD,
92    LTQ_MUX_P0_16_EXINT9,
93    LTQ_MUX_P0_17_EXINT10,
94    LTQ_MUX_P0_18_EJ_BRKIN,
95    LTQ_MUX_P0_19_EXINT16
96};
97
98static const struct ltq_mux_pin mux_p2[LTQ_MUX_P2_PINS] = {
99    LTQ_MUX_P2_0_EBU_A0,
100    LTQ_MUX_P2_1_EBU_A1,
101    LTQ_MUX_P2_2_EBU_A2,
102    LTQ_MUX_P2_3_EBU_A3,
103    LTQ_MUX_P2_4_EBU_A4,
104    LTQ_MUX_P2_5_EBU_A5,
105    LTQ_MUX_P2_6_EBU_A6,
106    LTQ_MUX_P2_7_EBU_A7,
107    LTQ_MUX_P2_8_EBU_A8,
108    LTQ_MUX_P2_9_EBU_A9,
109    LTQ_MUX_P2_10_EBU_A10,
110    LTQ_MUX_P2_11_EBU_A11,
111    LTQ_MUX_P2_12_EBU_RD,
112    LTQ_MUX_P2_13_EBU_WR,
113    LTQ_MUX_P2_14_EBU_ALE,
114    LTQ_MUX_P2_15_EBU_WAIT,
115    LTQ_MUX_P2_16_EBU_RDBY,
116    LTQ_MUX_P2_17_EBU_BC0,
117    LTQ_MUX_P2_18_EBU_BC1
118};
119
120static const struct ltq_mux_pin mux_p3[LTQ_MUX_P3_PINS] = {
121    LTQ_MUX_P3_0_EBU_AD0,
122    LTQ_MUX_P3_1_EBU_AD1,
123    LTQ_MUX_P3_2_EBU_AD2,
124    LTQ_MUX_P3_3_EBU_AD3,
125    LTQ_MUX_P3_4_EBU_AD4,
126    LTQ_MUX_P3_5_EBU_AD5,
127    LTQ_MUX_P3_6_EBU_AD6,
128    LTQ_MUX_P3_7_EBU_AD7,
129    LTQ_MUX_P3_8_EBU_AD8,
130    LTQ_MUX_P3_9_EBU_AD9,
131    LTQ_MUX_P3_10_EBU_AD10,
132    LTQ_MUX_P3_11_EBU_AD11,
133    LTQ_MUX_P3_12_EBU_AD12,
134    LTQ_MUX_P3_13_EBU_AD13,
135    LTQ_MUX_P3_14_EBU_AD14,
136    LTQ_MUX_P3_15_EBU_AD15,
137    LTQ_MUX_P3_16_EBU_CS0,
138    LTQ_MUX_P3_17_EBU_CS1,
139    LTQ_MUX_P3_18_EBU_CS2,
140    LTQ_MUX_P3_19_EBU_CS3
141};
142
143static void __init easy336_init_common(void)
144{
145    svip_sys1_clk_enable(SYS1_CLKENR_L2C |
146                 SYS1_CLKENR_DDR2 |
147                 SYS1_CLKENR_SMI2 |
148                 SYS1_CLKENR_SMI1 |
149                 SYS1_CLKENR_SMI0 |
150                 SYS1_CLKENR_FMI0 |
151                 SYS1_CLKENR_DMA |
152                 SYS1_CLKENR_GPTC |
153                 SYS1_CLKENR_EBU);
154
155    svip_sys2_clk_enable(SYS2_CLKENR_HWSYNC |
156                 SYS2_CLKENR_MBS |
157                 SYS2_CLKENR_SWINT |
158                 SYS2_CLKENR_HWACC3 |
159                 SYS2_CLKENR_HWACC2 |
160                 SYS2_CLKENR_HWACC1 |
161                 SYS2_CLKENR_HWACC0 |
162                 SYS2_CLKENR_SIF7 |
163                 SYS2_CLKENR_SIF6 |
164                 SYS2_CLKENR_SIF5 |
165                 SYS2_CLKENR_SIF4 |
166                 SYS2_CLKENR_SIF3 |
167                 SYS2_CLKENR_SIF2 |
168                 SYS2_CLKENR_SIF1 |
169                 SYS2_CLKENR_SIF0 |
170                 SYS2_CLKENR_DFEV7 |
171                 SYS2_CLKENR_DFEV6 |
172                 SYS2_CLKENR_DFEV5 |
173                 SYS2_CLKENR_DFEV4 |
174                 SYS2_CLKENR_DFEV3 |
175                 SYS2_CLKENR_DFEV2 |
176                 SYS2_CLKENR_DFEV1 |
177                 SYS2_CLKENR_DFEV0);
178
179    svip_register_mux(mux_p0, NULL, mux_p2, mux_p3, NULL);
180    svip_register_asc(0);
181    svip_register_eth();
182    svip_register_virtual_eth();
183    /* ltq_register_wdt(); - conflicts with lq_switch */
184    svip_register_gpio();
185    svip_register_spi();
186    ltq_register_tapi();
187}
188
189static void __init easy336_init(void)
190{
191    easy336_init_common();
192    ltq_register_nor(&easy336_flash_data);
193}
194
195static void __init easy336sf_init(void)
196{
197    easy336_init_common();
198    svip_register_spi_flash(bdinfo);
199}
200
201static void __init easy336nand_init(void)
202{
203    easy336_init_common();
204    svip_register_nand();
205}
206
207MIPS_MACHINE(LANTIQ_MACH_EASY336,
208         "EASY336",
209         "EASY336",
210         easy336_init);
211
212MIPS_MACHINE(LANTIQ_MACH_EASY336SF,
213         "EASY336SF",
214         "EASY336 (Serial Flash)",
215         easy336sf_init);
216
217MIPS_MACHINE(LANTIQ_MACH_EASY336NAND,
218         "EASY336NAND",
219         "EASY336 (NAND Flash)",
220         easy336nand_init);
221
222

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