From: Victor Rodriguez victor.rodriguez@sasken.com
This patch adds EMAC support for the Hawkboard-L138 system
Signed-off-by: Victor Rodriguez victor.rodriguez@sasken.com --- arch/arm/mach-davinci/board-omapl138-hawk.c | 47 +++++++++++++++++++++++++++ 1 files changed, 47 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-davinci/board-omapl138-hawk.c b/arch/arm/mach-davinci/board-omapl138-hawk.c index c472dd8..8633245 100644 --- a/arch/arm/mach-davinci/board-omapl138-hawk.c +++ b/arch/arm/mach-davinci/board-omapl138-hawk.c @@ -19,6 +19,51 @@
#include <mach/cp_intc.h> #include <mach/da8xx.h> +#include <mach/mux.h> + +#define HAWKBOARD_PHY_ID "0:07" + +static short omapl138_hawk_mii_pins[] __initdata = { + DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3, + DA850_MII_TXD_2, DA850_MII_TXD_1, DA850_MII_TXD_0, DA850_MII_RXER, + DA850_MII_CRS, DA850_MII_RXCLK, DA850_MII_RXDV, DA850_MII_RXD_3, + DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0, DA850_MDIO_CLK, + DA850_MDIO_D, + -1 +}; + +static __init void omapl138_hawk_config_emac(void) +{ + void __iomem *cfgchip3 = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG); + int ret; + u32 val; + struct davinci_soc_info *soc_info = &davinci_soc_info; + + if (!machine_is_omapl138_hawkboard()) + return; + + val = __raw_readl(cfgchip3); + + val &= ~BIT(8); + ret = davinci_cfg_reg_list(omapl138_hawk_mii_pins); + if (ret) { + pr_warning("%s: cpgmac/mii mux setup failed: %d\n", + __func__, ret); + return; + } + + /* configure the CFGCHIP3 register for MII */ + __raw_writel(val, cfgchip3); + pr_info("EMAC: MII PHY configured\n"); + + soc_info->emac_pdata->phy_id = HAWKBOARD_PHY_ID; + + ret = da8xx_register_emac(); + if (ret) + pr_warning("%s: emac registration failed: %d\n", + __func__, ret); +} +
static struct davinci_uart_config omapl138_hawk_uart_config __initdata = { .enabled_uarts = 0x7, @@ -30,6 +75,8 @@ static __init void omapl138_hawk_init(void)
davinci_serial_init(&omapl138_hawk_uart_config);
+ omapl138_hawk_config_emac(); + ret = da8xx_register_watchdog(); if (ret) pr_warning("omapl138_hawk_init: "