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Commit 26428b5c authored by Tim Nordell's avatar Tim Nordell Committed by Tony Lindgren
Browse files

ARM: OMAP3LOGIC: Added SMSC Ethernet board support 



Enable SMSC911x Ethernet driver for LogicPD's OMAP
3530 LV SOM and OMAP 35x Torpedo board.

Signed-off-by: default avatarTim Nordell <tim.nordell@logicpd.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent cdd280b9

arch/arm/mach-omap2/board-omap3logic.c

+65 −0
Original line number Diff line number Diff line
@@ -39,6 +39,7 @@ 
#include <plat/mux.h>

#include <plat/board.h>

#include <plat/common.h>

#include <plat/gpmc-smsc911x.h>

#include <plat/gpmc.h>

#include <plat/timer-gp.h>

#include <plat/sdrc.h>
@@ -142,6 +143,58 @@ static void __init board_mmc_init(void) 
	omap3logic_vmmc1_supply.dev = board_mmc_info[0].dev;

}



static struct omap_smsc911x_platform_data __initdata board_smsc911x_data = {

	.cs             = OMAP3LOGIC_SMSC911X_CS,

	.gpio_irq       = -EINVAL,

	.gpio_reset     = -EINVAL,

	.flags          = IORESOURCE_IRQ_LOWLEVEL,

};



/* TODO/FIXME (comment by Peter Barada, LogicPD):

 * Fix the PBIAS voltage for Torpedo MMC1 pins that

 * are used for other needs (IRQs, etc).            */

static void omap3torpedo_fix_pbias_voltage(void)

{

	u16 control_pbias_offset = OMAP343X_CONTROL_PBIAS_LITE;

	u32 reg;



	if (machine_is_omap3_torpedo())

	{

		/* Set the bias for the pin */

		reg = omap_ctrl_readl(control_pbias_offset);



		reg &= ~OMAP343X_PBIASLITEPWRDNZ1;

		omap_ctrl_writel(reg, control_pbias_offset);



		/* 100ms delay required for PBIAS configuration */

		msleep(100);



		reg |= OMAP343X_PBIASLITEVMODE1;

		reg |= OMAP343X_PBIASLITEPWRDNZ1;

		omap_ctrl_writel(reg | 0x300, control_pbias_offset);

	}

}



static inline void __init board_smsc911x_init(void)

{

	if (machine_is_omap3530_lv_som()) {

		/* OMAP3530 LV SOM board */

		board_smsc911x_data.gpio_irq =

					OMAP3530_LV_SOM_SMSC911X_GPIO_IRQ;

		omap_mux_init_signal("gpio_152", OMAP_PIN_INPUT);

	} else if (machine_is_omap3_torpedo()) {

		/* OMAP3 Torpedo board */

		board_smsc911x_data.gpio_irq = OMAP3_TORPEDO_SMSC911X_GPIO_IRQ;

		omap_mux_init_signal("gpio_129", OMAP_PIN_INPUT);

	} else {

		/* unsupported board */

		printk(KERN_ERR "%s(): unknown machine type\n", __func__);

		return;

	}



	gpmc_smsc911x_init(&board_smsc911x_data);

}



static void __init omap3logic_init_irq(void)

{

	omap2_init_common_hw(NULL, NULL);
@@ -149,11 +202,23 @@ static void __init omap3logic_init_irq(void) 
	omap_gpio_init();

}



#ifdef CONFIG_OMAP_MUX

static struct omap_board_mux board_mux[] __initdata = {

	{ .reg_offset = OMAP_MUX_TERMINATOR },

};

#else

#define board_mux       NULL

#endif



static void __init omap3logic_init(void)

{

	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);

	omap3torpedo_fix_pbias_voltage();

	omap3logic_i2c_init();

	omap_serial_init();

	board_mmc_init();

	board_smsc911x_init();



	/* Ensure SDRC pins are mux'd for self-refresh */

	omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);

	omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);