2011-10-11 03:52:36 cm-bf527 and mmc with spi

Mingeuk Kim (KOREA, REPUBLIC OF)

Message: 103784

Hello,

I'm using CM-BF527 with EVAL-BF5xx board of Bluetechnix.

I wanted to use my sd card so that I followed this wep page

docs.blackfin.uclinux.org/doku.php?id=linux-kernel:drivers:spi_mmc

After finishing kernel config, I modified linux-2.6.x/arch/blackfin/mach-bf527/boards/cm_bf527.c file like wep page.

#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)

#define MMC_SPI_CARD_DETECT_INT IRQ_PF5

static int bfin_mmc_spi_init(struct device *dev,

irqreturn_t (*detect_int)(int, void *), void *data)

{

return request_irq(MMC_SPI_CARD_DETECT_INT, detect_int,

IRQF_TRIGGER_FALLING, "mmc-spi-detect", data);

}

static void bfin_mmc_spi_exit(struct device *dev, void *data)

{

free_irq(MMC_SPI_CARD_DETECT_INT, data);

}

static struct mmc_spi_platform_data bfin_mmc_spi_pdata = {

.init = bfin_mmc_spi_init,

.exit = bfin_mmc_spi_exit,

.detect_delay = 100, // msecs

};

static struct bfin5xx_spi_chip mmc_spi_chip_info = {

.enable_dma = 0,

.bits_per_word = 8,

};

#endif

#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)

{

.modalias = "mmc_spi",

.max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */

.bus_num = 0,

.chip_select = 4,

.platform_data = &bfin_mmc_spi_pdata, //

.controller_data = &mmc_spi_chip_info,

.mode = SPI_MODE_3,

#endif

And I add #include <linux/spi/mmc_spi.h> because error was occurred without this file.

then my booting log is like this

--------------------------------------------------------------------------------------------------------

## Booting kernel from Legacy Image at 01000000 ...

Image Name: bf527-2.6.34.7-ADI-2010R1

Created: 2011-10-11 7:41:07 UTC

Image Type: Blackfin Linux Kernel Image (gzip compressed)

Data Size: 2731973 Bytes = 2.6 MiB

Load Address: 00001000

Entry Point: 0020e378

Verifying Checksum ... OK

Uncompressing Kernel Image ... OK

Starting Kernel at = 0020e378

Linux version 2.6.34.7-ADI-2010R1 (rainbow@Rainbow) (gcc version 4.3.5 (ADI-2011

bootconsole [early_shadow0] enabled

bootconsole [early_BFuart0] enabled

early printk enabled on early_BFuart0

Board Memory: 32MB

Kernel Managed Memory: 32MB

Memory map:

fixedcode = 0x00000400-0x00000490

text = 0x00001000-0x0016c5c0

rodata = 0x0016c5c0-0x001d2d88

bss = 0x001d3000-0x001f6c04

data = 0x001f6c04-0x0020a000

stack = 0x00208000-0x0020a000

init = 0x0020a000-0x004d1000

available = 0x004d1000-0x01f00000

DMA Zone = 0x01f00000-0x02000000

Hardware Trace Active and Enabled

Boot Mode: 1

Compiled for ADSP-BF527 Rev 0.1

Warning: Compiled for Rev 1, but running on Rev 2

Blackfin Linux support by blackfin.uclinux.org/

Processor Speed: 600 MHz core clock and 120 MHz System Clock

NOMPU: setting up cplb tables

Instruction Cache Enabled for CPU0

External memory: cacheable in instruction cache

Data Cache Enabled for CPU0

External memory: cacheable (write-back) in data cache

Built 1 zonelists in Zone order, mobility grouping off. Total pages: 7874

Kernel command line: root=/dev/mtdblock0 rw clkin_hz=50000000 earlyprintk=seria0

PID hash table entries: 128 (order: -3, 512 bytes)

Dentry cache hash table entries: 4096 (order: 2, 16384 bytes)

Inode-cache hash table entries: 2048 (order: 1, 8192 bytes)

Memory available: 26524k/32768k RAM, (2844k init code, 1453k kernel code, 631k )

Hierarchical RCU implementation.

NR_IRQS:159

Configuring Blackfin Priority Driven Interrupts

I-pipe 1.14-02: pipeline enabled.

console [ttyBF0] enabled, bootconsole disabled

Calibrating delay loop... 1191.93 BogoMIPS (lpj=2383872)

Security Framework initialized

Mount-cache hash table entries: 512

Blackfin Scratchpad data SRAM: 4 KB

Blackfin L1 Data A SRAM: 16 KB (16 KB free)

Blackfin L1 Data B SRAM: 16 KB (16 KB free)

Blackfin L1 Instruction SRAM: 48 KB (41 KB free)

NET: Registered protocol family 16

Blackfin DMA Controller

cm_init(): registering device resources

bio: create slab <bio-0> at 0

SCSI subsystem initialized

bfin-spi bfin-spi.0: Blackfin on-chip SPI Controller Driver, Version 1.0, regs_7

NET: Registered protocol family 2

IP route cache hash table entries: 1024 (order: 0, 4096 bytes)

TCP established hash table entries: 1024 (order: 1, 8192 bytes)

TCP bind hash table entries: 1024 (order: 0, 4096 bytes)

TCP: Hash tables configured (established 1024 bind 1024)

TCP reno registered

UDP hash table entries: 256 (order: 0, 4096 bytes)

UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)

NET: Registered protocol family 1

I-pipe: Domain Xenomai registered.

Xenomai: hal/blackfin started.

Xenomai: scheduling class idle registered.

Xenomai: scheduling class rt registered.

Xenomai: real-time nucleus v2.5.3 (Hordes Of Locusts) loaded.

Xenomai: starting native API services.

Xenomai: starting POSIX services.

Xenomai: starting RTDM services.

msgmni has been set to 51

io scheduler noop registered

io scheduler cfq registered (default)

bfin-otp: initialized

Initializing RAINBOW gpio driver...

bfin-uart: Blackfin serial driver

bfin-uart.0: ttyBF0 at MMIO 0xffc00400 (irq = 29) is a BFIN-UART

bfin-uart.1: ttyBF1 at MMIO 0xffc02000 (irq = 31) is a BFIN-UART

brd: module loaded

Hardware Trace:

0 Target : <0x0016a93c> { _dump_stack + 0x0 }

Source : <0x00005ba6> { _peripheral_request + 0x252 } JUMP.L

1 Target : <0x00005b98> { _peripheral_request + 0x244 }

Source : <0x00005a86> { _peripheral_request + 0x132 } IF !CC JUMP pcrel

2 Target : <0x00005a84> { _peripheral_request + 0x130 }

Source : <0xffa01620> { _strcmp + 0x14 } RTS

3 Target : <0xffa0161e> { _strcmp + 0x12 }

Source : <0xffa01616> { _strcmp + 0xa } IF !CC JUMP pcrel

4 Target : <0xffa0160c> { _strcmp + 0x0 }

Source : <0x0000579a> { _cmp_label + 0x1e } CALL pcrel

5 Target : <0x0000577c> { _cmp_label + 0x0 }

Source : <0x00005a80> { _peripheral_request + 0x12c } JUMP.L

6 Target : <0x00005a78> { _peripheral_request + 0x124 }

Source : <0x000059c6> { _peripheral_request + 0x72 } IF !CC JUMP pcrel

7 Target : <0x0000597a> { _peripheral_request + 0x26 }

Source : <0x00005974> { _peripheral_request + 0x20 } IF CC JUMP pcrel

8 Target : <0x00005970> { _peripheral_request + 0x1c }

Source : <0x00005962> { _peripheral_request + 0xe } IF CC JUMP pcrel

9 Target : <0x00005954> { _peripheral_request + 0x0 }

Source : <0x00005c10> { _peripheral_request_list + 0x24 } JUMP.L

10 Target : <0x00005c00> { _peripheral_request_list + 0x14 }

Source : <0x00005c18> { _peripheral_request_list + 0x2c } IF !CC JUMP pcre)

11 Target : <0x00005c14> { _peripheral_request_list + 0x28 }

Source : <0x0000596e> { _peripheral_request + 0x1a } RTS

12 Target : <0x00005966> { _peripheral_request + 0x12 }

Source : <0x00005b38> { _peripheral_request + 0x1e4 } JUMP.S

13 Target : <0x00005b30> { _peripheral_request + 0x1dc }

Source : <0xffa0169c> { _strncpy + 0x40 } RTS

14 Target : <0xffa01696> { _strncpy + 0x3a }

Source : <0xffa0167e> { _strncpy + 0x22 } IF CC JUMP pcrel

15 Target : <0xffa01674> { _strncpy + 0x18 }

Source : <0xffa01670> { _strncpy + 0x14 } IF CC JUMP pcrel

Stack info:

SP: [0x0101be10] <0x0101be10> /* kernel dynamic memory */

FP: (0x0101bf84)

Memory from 0x0101be10 to 0101c000

0101be10:[012b642c] 00005baa 00000028 00008228 0137b260 000abce2 012b642c

0101be30: 00000519 0000ffff 013f8500 00005c14 0016cf2c 001f8844 001f84a0

0101be50: 00000000 001a2964 0016cf2c 000abc02 00000008 01012928 0016a360

0101be70: 001f84dc 0101befc 00202e80 001f84b0 00000517 013f8500 000ac5c6

0101be90:<000f2074> 001f84a8 001f4828 00202e80 001f84dc 0101befc 00202e80

0101beb0: 00000001 010121c4 00025ea8 000ac63a 000f21b4 001f84a8 00202e80

0101bed0: 001f84dc 00000000 0101bedc 013f8500 <000f19f4> 000f2150 00202408

0101bef0: 00000000 ff0a0210 000d565e 010055d8 01035150 000f1f4e 0021f130

0101bf10: 00000000 00000001 000f13f2 0101bf3c 000f142c 000f2150 000f144a

0101bf30: 00000001 00012b74 0019f0b4 001a2954 0021695c 000f23e8 0021f130

0101bf50: 00202e80 00000000 00000000 00000007 00000001 001b28c8 <0021696c>

0101bf70: 001d300c 001d0000 00000000 00000000 001d300c (00000000)<00001028>>

0101bf90: 00004000 00004000 000332c4 001fa764 00000001 00000000 0020a134

0101bfb0: 0021f184 00000000 00000000 00000000 00000000 0021ef58 0021ef58

0101bfd0: 0020a1c0 0021ef58 0021ef58 00000000 00000000 00000000 <000014be>

0101bff0: 00000000 00000000 ffffffff 00000006

Return addresses in stack:

address : <0x000f2074> { _really_probe + 0x60 }

address : <0x000f19f4> { _bus_for_each_dev + 0x44 }

address : <0x0021696c> { _bfin_mac_init + 0x10 }

frame 1 : <0x00001028> { _do_one_initcall + 0x28 }

address : <0x00001028> { _do_one_initcall + 0x28 }

address : <0x000014be> { _kernel_thread_helper + 0x6 }

peripheral_request: Peripheral 40 function 1 is already reserved by mmc_spi !

bfin_mii_bus bfin_mii_bus.0: Requesting peripherals failed!

bfin_mii_bus: probe of bfin_mii_bus.0 failed with error -16

bfin_mac bfin_mac.0: Cannot get mii_bus!

rtc-bfin rtc-bfin: rtc core: registered rtc-bfin as rtc0

bfin-wdt: initialized: timeout=20 sec (nowayout=0)

mmc_spi spi0.4: ASSUMING SPI bus stays unshared!

mmc_spi spi0.4: ASSUMING 3.2-3.4 V slot power

mmc_spi spi0.4: SD/MMC host mmc0, no DMA, no WP, no poweroff

TCP cubic registered

NET: Registered protocol family 17

rtc-bfin rtc-bfin: setting system clock to 1970-01-02 08:56:13 UTC (118573)

dma_alloc_init: dma_page @ 0x0139a000 - 256 pages at 0x01f00000

mmc_spi spi0.4: can't change chip-select polarity

Freeing unused kernel memory: 2844k freed

_____________________________________

a8888b. / Welcome to the uClinux distribution \

d888888b. / _ _ \

8P"YP"Y88 / | | |_| __ __ (TM) |

8|o||o|88 _____/ | | _ ____ _ _ \ \/ / |

8' .88 \ | | | | _ \| | | | \ / |

8`._.' Y8. \ | |__ | | | | | |_| | / \ |

d/ `8b. \ \____||_|_| |_|\____|/_/\_\ |

dP . Y8b. \ For embedded processors including |

d8:' " `::88b \ the Analog Devices Blackfin /

d8" 'Y88b \___________________________________/

:8P ' :888

8a. : _a88P For further information, check out:

._/"Yaa_: .| 88P| - blackfin.uclinux.org/

\ YP" `| 8P `. - docs.blackfin.uclinux.org/

/ \.___.d| .' - www.uclinux.org/

`--..__)8888P`._.' jgs/a:f - www.analog.com/blackfin

Have a lot of fun...

____ _ _ _ _

| __ )| |_ _ ___| |_ ___ ___| |__ _ __ (_)_ __

| _ \| | | | |/ _ \ __/ _ \/ __| '_ \| '_ \| \ \/ /

| |_) | | |_| | __/ || __/ (__| | | | | | | |> <

|____/|_|\__,_|\___|\__\___|\___|_| |_|_| |_|_/_/\_\

www.bluetechnix.com

BusyBox v1.16.2 (2011-10-10 15:12:21 KST) hush - the humble shell

Enter 'help' for a list of built-in commands.

--------------------------------------------------------------------------------------------------------

The error message can be removed by changing .chipselect = 4 to other numbers.

However I can't use sd card either and there was no mmcblk0 in /dev

1. What's the .chipselect = 4 and the error message means?

2. How could I use my sd card?

Any advise will be helpful to me.

Thanks in advance.

QuoteReplyEditDelete

2011-10-11 06:53:06 Re: cm-bf527 and mmc with spi

Sonic Zhang (CHINA)

Message: 103791

1. chipselect is the SPI channel you select on your SPI MMC daughter board. If you change it to other number, make sure you also change the hardware on your SPI MMC board.

2. Insert your sd card into the sd slock on your SPI MMC board. mount the partition on your sd card as described in the wiki document.

QuoteReplyEditDelete

2011-10-20 04:52:08 Re: cm-bf527 and mmc with spi

Mingeuk Kim (KOREA, REPUBLIC OF)

Message: 104041

Thank you for your advise.

In EVAL-BF5xx board, PH9/SPISEL5/ETxD2/HOST_D9/TACLK3 pin(55 of CM-BF527) can be used as chipselect of sd card.

So I changed chipselect to 5.

Then the booting log was like this.

------------------------------------------------------------------------------------------------------------------------------------------------

## Booting kernel from Legacy Image at 01000000 ...

Image Name: bf527-2.6.34.7-ADI-2010R1

Created: 2011-10-19 13:18:04 UTC

Image Type: Blackfin Linux Kernel Image (gzip compressed)

Data Size: 3148216 Bytes = 3 MiB

Load Address: 00001000

Entry Point: 0022034c

Verifying Checksum ... OK

Uncompressing Kernel Image ... OK

Starting Kernel at = 0022034c

Linux version 2.6.34.7-ADI-2010R1 (rainbow@Rainbow) (gcc version 4.3.5 (ADI-2011

bootconsole [early_shadow0] enabled

bootconsole [early_BFuart0] enabled

early printk enabled on early_BFuart0

Board Memory: 32MB

Kernel Managed Memory: 32MB

Memory map:

fixedcode = 0x00000400-0x00000490

text = 0x00001000-0x00179848

rodata = 0x00179848-0x001e4014

bss = 0x001e5000-0x00208d30

data = 0x00208d30-0x0021c000

stack = 0x0021a000-0x0021c000

init = 0x0021c000-0x0057d000

available = 0x0057d000-0x01f00000

DMA Zone = 0x01f00000-0x02000000

Hardware Trace Active and Enabled

Boot Mode: 1

Compiled for ADSP-BF527 Rev 0.1

Warning: Compiled for Rev 1, but running on Rev 2

Blackfin Linux support by blackfin.uclinux.org/

Processor Speed: 600 MHz core clock and 120 MHz System Clock

NOMPU: setting up cplb tables

Instruction Cache Enabled for CPU0

External memory: cacheable in instruction cache

Data Cache Enabled for CPU0

External memory: cacheable (write-back) in data cache

Built 1 zonelists in Zone order, mobility grouping off. Total pages: 7874

Kernel command line: root=/dev/mtdblock0 rw clkin_hz=50000000 earlyprintk=seria0

PID hash table entries: 128 (order: -3, 512 bytes)

Dentry cache hash table entries: 4096 (order: 2, 16384 bytes)

Inode-cache hash table entries: 2048 (order: 1, 8192 bytes)

Memory available: 25836k/32768k RAM, (3460k init code, 1506k kernel code, 650k )

Hierarchical RCU implementation.

NR_IRQS:159

Configuring Blackfin Priority Driven Interrupts

I-pipe 1.14-02: pipeline enabled.

console [ttyBF0] enabled, bootconsole disabled

Calibrating delay loop... 1191.93 BogoMIPS (lpj=2383872)

Security Framework initialized

Mount-cache hash table entries: 512

Blackfin Scratchpad data SRAM: 4 KB

Blackfin L1 Data A SRAM: 16 KB (16 KB free)

Blackfin L1 Data B SRAM: 16 KB (16 KB free)

Blackfin L1 Instruction SRAM: 48 KB (41 KB free)

NET: Registered protocol family 16

Blackfin DMA Controller

cm_init(): registering device resources

bio: create slab <bio-0> at 0

SCSI subsystem initialized

bfin-spi bfin-spi.0: Blackfin on-chip SPI Controller Driver, Version 1.0, regs_7

NET: Registered protocol family 2

IP route cache hash table entries: 1024 (order: 0, 4096 bytes)

TCP established hash table entries: 1024 (order: 1, 8192 bytes)

TCP bind hash table entries: 1024 (order: 0, 4096 bytes)

TCP: Hash tables configured (established 1024 bind 1024)

TCP reno registered

UDP hash table entries: 256 (order: 0, 4096 bytes)

UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)

NET: Registered protocol family 1

I-pipe: Domain Xenomai registered.

Xenomai: hal/blackfin started.

Xenomai: scheduling class idle registered.

Xenomai: scheduling class rt registered.

Xenomai: real-time nucleus v2.5.3 (Hordes Of Locusts) loaded.

Xenomai: starting native API services.

Xenomai: starting POSIX services.

Xenomai: starting RTDM services.

msgmni has been set to 50

io scheduler noop registered

io scheduler cfq registered (default)

bfin-otp: initialized

Initializing RAINBOW gpio driver....

bfin-uart: Blackfin serial driver

bfin-uart.0: ttyBF0 at MMIO 0xffc00400 (irq = 29) is a BFIN-UART

bfin-uart.1: ttyBF1 at MMIO 0xffc02000 (irq = 31) is a BFIN-UART

brd: module loaded

bfin_mii_bus: probed

bfin_mac: attached PHY driver [Generic PHY] (mii_bus:phy_addr=0:00, irq=-1, mdc)

bfin_mac bfin_mac.0: Blackfin on-chip Ethernet MAC driver, Version 1.1

bfin-wdt: initialized: timeout=20 sec (nowayout=0)

sdhci: Secure Digital Host Controller Interface driver

sdhci: Copyright(c) Pierre Ossman

mmc_spi spi0.5: ASSUMING 3.2-3.4 V slot power

mmc_spi spi0.5: SD/MMC host mmc0, no DMA, no WP, no poweroff

TCP cubic registered

NET: Registered protocol family 17

dma_alloc_init: dma_page @ 0x01530000 - 256 pages at 0x01f00000

mmc_spi spi0.5: can't change chip-select polarity

Freeing unused kernel memory: 3460k freed

_____________________________________

a8888b. / Welcome to the uClinux distribution \

d888888b. / _ _ \

8P"YP"Y88 / | | |_| __ __ (TM) |

8|o||o|88 _____/ | | _ ____ _ _ \ \/ / |

8' .88 \ | | | | _ \| | | | \ / |

8`._.' Y8. \ | |__ | | | | | |_| | / \ |

d/ `8b. \ \____||_|_| |_|\____|/_/\_\ |

dP . Y8b. \ For embedded processors including |

d8:' " `::88b \ the Analog Devices Blackfin /

d8" 'Y88b \___________________________________/

:8P ' :888

8a. : _a88P For further information, check out:

._/"Yaa_: .| 88P| - blackfin.uclinux.org/

\ YP" `| 8P `. - docs.blackfin.uclinux.org/

/ \.___.d| .' - www.uclinux.org/

`--..__)8888P`._.' jgs/a:f - www.analog.com/blackfin

Have a lot of fun...

____ _ _ _ _

| __ )| |_ _ ___| |_ ___ ___| |__ _ __ (_)_ __

| _ \| | | | |/ _ \ __/ _ \/ __| '_ \| '_ \| \ \/ /

| |_) | | |_| | __/ || __/ (__| | | | | | | |> <

|____/|_|\__,_|\___|\__\___|\___|_| |_|_| |_|_/_/\_\

www.bluetechnix.com

BusyBox v1.16.2 (2011-10-10 15:12:21 KST) hush - the humble shell

Enter 'help' for a list of built-in commands.

root:/> cat /proc/gpio

GPIO_5: gpio-irq76 GPIO INPUT

GPIO_18: bfin-spi Peripheral

GPIO_19: bfin-spi Peripheral

GPIO_20: bfin-spi Peripheral

GPIO_23: bfin-uart Peripheral

GPIO_24: bfin-uart Peripheral

GPIO_28: bfin-uart Peripheral

GPIO_29: bfin-uart Peripheral

GPIO_30: bfin_mac Peripheral

GPIO_31: bfin_mac Peripheral

GPIO_32: bfin_mac Peripheral

GPIO_33: bfin_mac Peripheral

GPIO_34: bfin_mac Peripheral

GPIO_35: bfin_mac Peripheral

GPIO_36: bfin_mac Peripheral

GPIO_37: bfin_mac Peripheral

GPIO_38: bfin_mac Peripheral

GPIO_39: bfin_mac Peripheral

GPIO_40: bfin_mac Peripheral

GPIO_41: mmc_spi Peripheral

------------------------------------------------------------------------------------------------------------------------------------------------

I had inserted my sd card before booting was started.

When I used tcm-bf537 board, this sd card was working well.

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2011-10-11 03:52:36 cm-bf527 and mmc with spi