4 #include <linux/device.h>
5 #include <linux/platform_device.h>
6 #include <linux/mtd/mtd.h>
7 #include <linux/mtd/partitions.h>
8 #include <linux/spi/spi.h>
9 #include <linux/spi/flash.h>
10 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
11 #include <linux/usb/isp1362.h>
13 #include <linux/ata_platform.h>
14 #include <linux/irq.h>
15 #include <linux/interrupt.h>
16 #include <linux/usb/sl811.h>
18 #include <asm/bfin5xx_spi.h>
19 #include <asm/reboot.h>
20 #include <linux/spi/ad7877.h>
23 * Name the Board for the /proc/cpuinfo
25 char *bfin_board_name
= "CamSig Minotaur BF537";
27 #if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE)
28 static struct resource bfin_pcmcia_cf_resources
[] = {
30 .start
= 0x20310000, /* IO PORT */
32 .flags
= IORESOURCE_MEM
,
34 .start
= 0x20311000, /* Attribute Memory */
36 .flags
= IORESOURCE_MEM
,
40 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_LOWLEVEL
,
42 .start
= IRQ_PF6
, /* Card Detect PF6 */
44 .flags
= IORESOURCE_IRQ
,
48 static struct platform_device bfin_pcmcia_cf_device
= {
49 .name
= "bfin_cf_pcmcia",
51 .num_resources
= ARRAY_SIZE(bfin_pcmcia_cf_resources
),
52 .resource
= bfin_pcmcia_cf_resources
,
56 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
57 static struct platform_device rtc_device
= {
63 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
64 static struct platform_device bfin_mii_bus
= {
65 .name
= "bfin_mii_bus",
68 static struct platform_device bfin_mac_device
= {
70 .dev
.platform_data
= &bfin_mii_bus
,
74 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
75 static struct resource net2272_bfin_resources
[] = {
78 .end
= 0x20300000 + 0x100,
79 .flags
= IORESOURCE_MEM
,
83 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_HIGHLEVEL
,
87 static struct platform_device net2272_bfin_device
= {
90 .num_resources
= ARRAY_SIZE(net2272_bfin_resources
),
91 .resource
= net2272_bfin_resources
,
95 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
96 /* all SPI peripherals info goes here */
98 #if defined(CONFIG_MTD_M25P80) \
99 || defined(CONFIG_MTD_M25P80_MODULE)
101 /* Partition sizes */
102 #define FLASH_SIZE 0x00400000
103 #define PSIZE_UBOOT 0x00030000
104 #define PSIZE_INITRAMFS 0x00240000
106 static struct mtd_partition bfin_spi_flash_partitions
[] = {
108 .name
= "bootloader(spi)",
111 .mask_flags
= MTD_CAP_ROM
113 .name
= "initramfs(spi)",
114 .size
= PSIZE_INITRAMFS
,
115 .offset
= PSIZE_UBOOT
118 .size
= FLASH_SIZE
- (PSIZE_UBOOT
+ PSIZE_INITRAMFS
),
119 .offset
= PSIZE_UBOOT
+ PSIZE_INITRAMFS
,
123 static struct flash_platform_data bfin_spi_flash_data
= {
125 .parts
= bfin_spi_flash_partitions
,
126 .nr_parts
= ARRAY_SIZE(bfin_spi_flash_partitions
),
130 /* SPI flash chip (m25p64) */
131 static struct bfin5xx_spi_chip spi_flash_chip_info
= {
132 .enable_dma
= 0, /* use dma transfer with this chip*/
137 #if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
138 static struct bfin5xx_spi_chip spi_mmc_chip_info
= {
144 static struct spi_board_info bfin_spi_board_info
[] __initdata
= {
145 #if defined(CONFIG_MTD_M25P80) \
146 || defined(CONFIG_MTD_M25P80_MODULE)
148 /* the modalias must be the same as spi device driver name */
149 .modalias
= "m25p80", /* Name of spi_driver for this device */
150 .max_speed_hz
= 25000000, /* max spi clock (SCK) speed in HZ */
151 .bus_num
= 0, /* Framework bus number */
152 .chip_select
= 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
153 .platform_data
= &bfin_spi_flash_data
,
154 .controller_data
= &spi_flash_chip_info
,
159 #if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
161 .modalias
= "spi_mmc_dummy",
162 .max_speed_hz
= 5000000, /* max spi clock (SCK) speed in HZ */
165 .platform_data
= NULL
,
166 .controller_data
= &spi_mmc_chip_info
,
170 .modalias
= "spi_mmc",
171 .max_speed_hz
= 5000000, /* max spi clock (SCK) speed in HZ */
173 .chip_select
= CONFIG_SPI_MMC_CS_CHAN
,
174 .platform_data
= NULL
,
175 .controller_data
= &spi_mmc_chip_info
,
181 /* SPI controller data */
182 static struct bfin5xx_spi_master bfin_spi0_info
= {
184 .enable_dma
= 1, /* master has the ability to do dma transfer */
188 static struct resource bfin_spi0_resource
[] = {
190 .start
= SPI0_REGBASE
,
191 .end
= SPI0_REGBASE
+ 0xFF,
192 .flags
= IORESOURCE_MEM
,
197 .flags
= IORESOURCE_IRQ
,
201 static struct platform_device bfin_spi0_device
= {
203 .id
= 0, /* Bus number */
204 .num_resources
= ARRAY_SIZE(bfin_spi0_resource
),
205 .resource
= bfin_spi0_resource
,
207 .platform_data
= &bfin_spi0_info
, /* Passed to driver */
210 #endif /* spi master and devices */
212 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
213 static struct resource bfin_uart_resources
[] = {
217 .flags
= IORESOURCE_MEM
,
221 .flags
= IORESOURCE_MEM
,
225 static struct platform_device bfin_uart_device
= {
228 .num_resources
= ARRAY_SIZE(bfin_uart_resources
),
229 .resource
= bfin_uart_resources
,
233 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
234 #ifdef CONFIG_BFIN_SIR0
235 static struct resource bfin_sir0_resources
[] = {
239 .flags
= IORESOURCE_MEM
,
242 .start
= IRQ_UART0_RX
,
243 .end
= IRQ_UART0_RX
+1,
244 .flags
= IORESOURCE_IRQ
,
247 .start
= CH_UART0_RX
,
248 .end
= CH_UART0_RX
+1,
249 .flags
= IORESOURCE_DMA
,
253 static struct platform_device bfin_sir0_device
= {
256 .num_resources
= ARRAY_SIZE(bfin_sir0_resources
),
257 .resource
= bfin_sir0_resources
,
260 #ifdef CONFIG_BFIN_SIR1
261 static struct resource bfin_sir1_resources
[] = {
265 .flags
= IORESOURCE_MEM
,
268 .start
= IRQ_UART1_RX
,
269 .end
= IRQ_UART1_RX
+1,
270 .flags
= IORESOURCE_IRQ
,
273 .start
= CH_UART1_RX
,
274 .end
= CH_UART1_RX
+1,
275 .flags
= IORESOURCE_DMA
,
279 static struct platform_device bfin_sir1_device
= {
282 .num_resources
= ARRAY_SIZE(bfin_sir1_resources
),
283 .resource
= bfin_sir1_resources
,
288 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
289 static struct resource bfin_twi0_resource
[] = {
291 .start
= TWI0_REGBASE
,
292 .end
= TWI0_REGBASE
+ 0xFF,
293 .flags
= IORESOURCE_MEM
,
298 .flags
= IORESOURCE_IRQ
,
302 static struct platform_device i2c_bfin_twi_device
= {
303 .name
= "i2c-bfin-twi",
305 .num_resources
= ARRAY_SIZE(bfin_twi0_resource
),
306 .resource
= bfin_twi0_resource
,
310 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
311 static struct platform_device bfin_sport0_uart_device
= {
312 .name
= "bfin-sport-uart",
316 static struct platform_device bfin_sport1_uart_device
= {
317 .name
= "bfin-sport-uart",
322 static struct platform_device
*minotaur_devices
[] __initdata
= {
323 #if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE)
324 &bfin_pcmcia_cf_device
,
327 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
331 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
336 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
337 &net2272_bfin_device
,
340 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
344 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
348 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
349 #ifdef CONFIG_BFIN_SIR0
352 #ifdef CONFIG_BFIN_SIR1
357 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
358 &i2c_bfin_twi_device
,
361 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
362 &bfin_sport0_uart_device
,
363 &bfin_sport1_uart_device
,
368 static int __init
minotaur_init(void)
370 printk(KERN_INFO
"%s(): registering device resources\n", __func__
);
371 platform_add_devices(minotaur_devices
, ARRAY_SIZE(minotaur_devices
));
372 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
373 spi_register_board_info(bfin_spi_board_info
,
374 ARRAY_SIZE(bfin_spi_board_info
));
380 arch_initcall(minotaur_init
);
382 void native_machine_restart(char *cmd
)
384 /* workaround reboot hang when booting from SPI */
385 if ((bfin_read_SYSCR() & 0x7) == 0x3)
386 bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS
);