diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-am3517evm.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-am3517evm.c | 70 |
1 files changed, 59 insertions, 11 deletions
diff --git a/arch/arm/mach-omap2/board-am3517evm.c b/arch/arm/mach-omap2/board-am3517evm.c index 4d0f58592864..07399505312b 100644 --- a/arch/arm/mach-omap2/board-am3517evm.c +++ b/arch/arm/mach-omap2/board-am3517evm.c @@ -18,6 +18,7 @@ #include <linux/kernel.h> #include <linux/init.h> +#include <linux/clk.h> #include <linux/platform_device.h> #include <linux/gpio.h> #include <linux/i2c/pca953x.h> @@ -32,25 +33,43 @@ #include <plat/board.h> #include <plat/common.h> -#include <plat/control.h> #include <plat/usb.h> #include <plat/display.h> #include "mux.h" +#include "control.h" -#define AM35XX_EVM_PHY_MASK (0xF) #define AM35XX_EVM_MDIO_FREQUENCY (1000000) +static struct mdio_platform_data am3517_evm_mdio_pdata = { + .bus_freq = AM35XX_EVM_MDIO_FREQUENCY, +}; + +static struct resource am3517_mdio_resources[] = { + { + .start = AM35XX_IPSS_EMAC_BASE + AM35XX_EMAC_MDIO_OFFSET, + .end = AM35XX_IPSS_EMAC_BASE + AM35XX_EMAC_MDIO_OFFSET + + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device am3517_mdio_device = { + .name = "davinci_mdio", + .id = 0, + .num_resources = ARRAY_SIZE(am3517_mdio_resources), + .resource = am3517_mdio_resources, + .dev.platform_data = &am3517_evm_mdio_pdata, +}; + static struct emac_platform_data am3517_evm_emac_pdata = { - .phy_mask = AM35XX_EVM_PHY_MASK, - .mdio_max_freq = AM35XX_EVM_MDIO_FREQUENCY, .rmii_en = 1, }; static struct resource am3517_emac_resources[] = { { .start = AM35XX_IPSS_EMAC_BASE, - .end = AM35XX_IPSS_EMAC_BASE + 0x3FFFF, + .end = AM35XX_IPSS_EMAC_BASE + 0x2FFFF, .flags = IORESOURCE_MEM, }, { @@ -106,14 +125,13 @@ static void am3517_disable_ethernet_int(void) regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); } -void am3517_evm_ethernet_init(struct emac_platform_data *pdata) +static void am3517_evm_ethernet_init(struct emac_platform_data *pdata) { unsigned int regval; pdata->ctrl_reg_offset = AM35XX_EMAC_CNTRL_OFFSET; pdata->ctrl_mod_reg_offset = AM35XX_EMAC_CNTRL_MOD_OFFSET; pdata->ctrl_ram_offset = AM35XX_EMAC_CNTRL_RAM_OFFSET; - pdata->mdio_reg_offset = AM35XX_EMAC_MDIO_OFFSET; pdata->ctrl_ram_size = AM35XX_EMAC_CNTRL_RAM_SIZE; pdata->version = EMAC_VERSION_2; pdata->hw_ram_addr = AM35XX_EMAC_HW_RAM_ADDR; @@ -121,6 +139,9 @@ void am3517_evm_ethernet_init(struct emac_platform_data *pdata) pdata->interrupt_disable = am3517_disable_ethernet_int; am3517_emac_device.dev.platform_data = pdata; platform_device_register(&am3517_emac_device); + platform_device_register(&am3517_mdio_device); + clk_add_alias(NULL, dev_name(&am3517_mdio_device.dev), + NULL, &am3517_emac_device.dev); regval = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); regval = regval & (~(AM35XX_CPGMACSS_SW_RST)); @@ -139,7 +160,6 @@ void am3517_evm_ethernet_init(struct emac_platform_data *pdata) static struct i2c_board_info __initdata am3517evm_i2c1_boardinfo[] = { { I2C_BOARD_INFO("s35390a", 0x30), - .type = "s35390a", }, }; @@ -347,7 +367,7 @@ static struct omap_dss_board_info am3517_evm_dss_data = { .default_device = &am3517_evm_lcd_device, }; -struct platform_device am3517_evm_dss_device = { +static struct platform_device am3517_evm_dss_device = { .name = "omapdss", .id = -1, .dev = { @@ -375,6 +395,31 @@ static void __init am3517_evm_init_irq(void) omap_gpio_init(); } +static struct omap_musb_board_data musb_board_data = { + .interface_type = MUSB_INTERFACE_ULPI, + .mode = MUSB_OTG, + .power = 500, +}; + +static __init void am3517_evm_musb_init(void) +{ + u32 devconf2; + + /* + * Set up USB clock/mode in the DEVCONF2 register. + */ + devconf2 = omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2); + + /* USB2.0 PHY reference clock is 13 MHz */ + devconf2 &= ~(CONF2_REFFREQ | CONF2_OTGMODE | CONF2_PHY_GPIOMODE); + devconf2 |= CONF2_REFFREQ_13MHZ | CONF2_SESENDEN | CONF2_VBDTCTEN + | CONF2_DATPOL; + + omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2); + + usb_musb_init(&musb_board_data); +} + static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, #if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \ @@ -393,6 +438,8 @@ static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { #ifdef CONFIG_OMAP_MUX static struct omap_board_mux board_mux[] __initdata = { + /* USB OTG DRVVBUS offset = 0x212 */ + OMAP3_MUX(SAD2D_MCAD23, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN), { .reg_offset = OMAP_MUX_TERMINATOR }, }; #else @@ -459,11 +506,12 @@ static void __init am3517_evm_init(void) ARRAY_SIZE(am3517evm_i2c1_boardinfo)); /*Ethernet*/ am3517_evm_ethernet_init(&am3517_evm_emac_pdata); + + /* MUSB */ + am3517_evm_musb_init(); } MACHINE_START(OMAP3517EVM, "OMAP3517/AM3517 EVM") - .phys_io = 0x48000000, - .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, .boot_params = 0x80000100, .map_io = omap3_map_io, .reserve = omap_reserve, |