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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: Tim Nordell <tim.nordell@logicpd.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Tim Nordell 2010-09-27 16:05:50 +00:00 committed by Tony Lindgren
parent cdd280b995
commit 26428b5c4f
1 changed files with 65 additions and 0 deletions
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65
arch/arm/mach-omap2/board-omap3logic.c
View File

@ -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);