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author | Tim Nordell <tim.nordell@logicpd.com> | 2010-09-27 16:05:50 (GMT) |
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committer | Tony Lindgren <tony@atomide.com> | 2010-09-28 18:39:18 (GMT) |
commit | 26428b5c4f675434d52c8dc09c4c8d5e6198a6ac (patch) | |
tree | 23b547658d3e7c48ddc1874558bbb77b7c117b5d /arch | |
parent | cdd280b9958d71ccbaf7c00c0d63dab0a48c1db0 (diff) | |
download | linux-fsl-qoriq-26428b5c4f675434d52c8dc09c4c8d5e6198a6ac.tar.xz |
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>
Diffstat (limited to 'arch')
-rw-r--r-- | 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 8b60360..4c045cf 100644 --- a/arch/arm/mach-omap2/board-omap3logic.c +++ b/arch/arm/mach-omap2/board-omap3logic.c @@ -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); |