diff options
Diffstat (limited to 'arch/arm/mach-omap2/am35xx-emac.c')
| -rw-r--r-- | arch/arm/mach-omap2/am35xx-emac.c | 37 |
1 files changed, 17 insertions, 20 deletions
diff --git a/arch/arm/mach-omap2/am35xx-emac.c b/arch/arm/mach-omap2/am35xx-emac.c index 1f97e7475206..447682c4e11c 100644 --- a/arch/arm/mach-omap2/am35xx-emac.c +++ b/arch/arm/mach-omap2/am35xx-emac.c @@ -39,26 +39,23 @@ static struct platform_device am35xx_emac_mdio_device = { static void am35xx_enable_emac_int(void) { - u32 regval; - - regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); - regval = (regval | AM35XX_CPGMAC_C0_RX_PULSE_CLR | - AM35XX_CPGMAC_C0_TX_PULSE_CLR | - AM35XX_CPGMAC_C0_MISC_PULSE_CLR | - AM35XX_CPGMAC_C0_RX_THRESH_CLR); - omap_ctrl_writel(regval, AM35XX_CONTROL_LVL_INTR_CLEAR); - regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); + u32 v; + + v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); + v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR | + AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR); + omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR); + omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */ } static void am35xx_disable_emac_int(void) { - u32 regval; + u32 v; - regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); - regval = (regval | AM35XX_CPGMAC_C0_RX_PULSE_CLR | - AM35XX_CPGMAC_C0_TX_PULSE_CLR); - omap_ctrl_writel(regval, AM35XX_CONTROL_LVL_INTR_CLEAR); - regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); + v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); + v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR); + omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR); + omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */ } static struct emac_platform_data am35xx_emac_pdata = { @@ -92,7 +89,7 @@ static struct platform_device am35xx_emac_device = { void __init am35xx_emac_init(unsigned long mdio_bus_freq, u8 rmii_en) { - unsigned int regval; + u32 v; int err; am35xx_emac_pdata.rmii_en = rmii_en; @@ -110,8 +107,8 @@ void __init am35xx_emac_init(unsigned long mdio_bus_freq, u8 rmii_en) return; } - regval = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); - regval = regval & (~(AM35XX_CPGMACSS_SW_RST)); - omap_ctrl_writel(regval, AM35XX_CONTROL_IP_SW_RESET); - regval = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); + v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); + v &= ~AM35XX_CPGMACSS_SW_RST; + omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET); + omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */ } |