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Message-Id: <1285358338-3403-5-git-send-email-tim.nordell@logicpd.com>
Date: Fri, 24 Sep 2010 14:58:57 -0500
From: Tim Nordell <tim.nordell@...icpd.com>
To: linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Tim Nordell <tim.nordell@...icpd.com>
Subject: [PATCH v3 4/5] 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@...icpd.com>
---
arch/arm/mach-omap2/board-omap3logic.c | 65 ++++++++++++++++++++++++++++++++
1 files changed, 65 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/board-omap3logic.c b/arch/arm/mach-omap2/board-omap3logic.c
index ec6d6f1..f013d62 100644
--- a/arch/arm/mach-omap2/board-omap3logic.c
+++ b/arch/arm/mach-omap2/board-omap3logic.c
@@ -38,6 +38,7 @@
#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>
@@ -141,6 +142,58 @@ 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);
@@ -148,11 +201,23 @@ 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);
--
1.7.1
--
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