Commit 4511f63c authored by Oleg Dzhimiev's avatar Oleg Dzhimiev
Browse files

reset usb on pin 49

parent 2c032e80

src/drivers/elphel/elphel393-init.c

+27 −1
Original line number Original line Diff line number Diff line
@@ -27,8 +27,10 @@ 
#define pr_fmt(fmt) DRV_NAME": " fmt

#define pr_fmt(fmt) DRV_NAME": " fmt





#include <asm/page.h>

#include <asm/page.h>

#include <asm/io.h>





#include <linux/init.h>

#include <linux/init.h>

#include <linux/delay.h>

#include <linux/io.h>

#include <linux/io.h>

#include <linux/kernel.h>

#include <linux/kernel.h>

#include <linux/module.h>

#include <linux/module.h>
@@ -63,6 +65,13 @@ static char boardinfo[2048]; 
static char serial[13];

static char serial[13];

static char revision[8];

static char revision[8];





static int setup_mio_pin_and_reset_usb(void);



static int __init elphel393_early_initialize(void){

	pr_info("set up the mio pin 49 and reset USB\n");

	setup_mio_pin_and_reset_usb();

	return 0;

}

/*

/*

static int __init elphel393_early_initialize(void){

static int __init elphel393_early_initialize(void){
@@ -393,6 +402,23 @@ static int get_factory_info(void){ 
	return 0;

	return 0;

}

}





static int setup_mio_pin_and_reset_usb(void){

	u32 reg_value;

	const u32 newvalue = 0x1<<17;

	reg_value = readl(0xe000a244);

	writel(reg_value|newvalue,0xe000a244);

	udelay(10);

	reg_value = readl(0xe000a248);

	writel(reg_value|newvalue,0xe000a248);

	udelay(10);

	reg_value = readl(0xe000a044);

	writel(reg_value&(~newvalue),0xe000a044);

	udelay(10);

	writel(reg_value|newvalue,0xe000a044);

	reg_value = readl(0xe000a064);

	return 0;

}



static int elphel393_init_remove(struct platform_device *pdev)

static int elphel393_init_remove(struct platform_device *pdev)

{

{

	pr_info("Remove");

	pr_info("Remove");
@@ -416,7 +442,7 @@ static struct platform_driver elphel393_initialize = { 
	},

	},

};

};





//early_initcall(elphel393_early_initialize);

early_initcall(elphel393_early_initialize);





module_platform_driver(elphel393_initialize);

module_platform_driver(elphel393_initialize);

module_init(elphel393_init_init);

module_init(elphel393_init_init);