diff options
Diffstat (limited to 'arch/arm/mach-omap2/am35xx-emac.c')
-rw-r--r-- | arch/arm/mach-omap2/am35xx-emac.c | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/arch/arm/mach-omap2/am35xx-emac.c b/arch/arm/mach-omap2/am35xx-emac.c deleted file mode 100644 index 6a6935caac1e..000000000000 --- a/arch/arm/mach-omap2/am35xx-emac.c +++ /dev/null @@ -1,114 +0,0 @@ -/* - * Copyright (C) 2011 Ilya Yanok, Emcraft Systems - * - * Based on mach-omap2/board-am3517evm.c - * Copyright (C) 2009 Texas Instruments Incorporated - * Author: Ranjith Lohithakshan <ranjithl@ti.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * published by the Free Software Foundation. - * - * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind, - * whether express or implied; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ - -#include <linux/err.h> -#include <linux/davinci_emac.h> -#include "omap_device.h" -#include "am35xx.h" -#include "control.h" -#include "am35xx-emac.h" - -static void am35xx_enable_emac_int(void) -{ - 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 v; - - 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 = { - .ctrl_reg_offset = AM35XX_EMAC_CNTRL_OFFSET, - .ctrl_mod_reg_offset = AM35XX_EMAC_CNTRL_MOD_OFFSET, - .ctrl_ram_offset = AM35XX_EMAC_CNTRL_RAM_OFFSET, - .ctrl_ram_size = AM35XX_EMAC_CNTRL_RAM_SIZE, - .hw_ram_addr = AM35XX_EMAC_HW_RAM_ADDR, - .version = EMAC_VERSION_2, - .interrupt_enable = am35xx_enable_emac_int, - .interrupt_disable = am35xx_disable_emac_int, -}; - -static struct mdio_platform_data am35xx_mdio_pdata; - -static int __init omap_davinci_emac_dev_init(struct omap_hwmod *oh, - void *pdata, int pdata_len) -{ - struct platform_device *pdev; - - pdev = omap_device_build(oh->class->name, 0, oh, pdata, pdata_len); - if (IS_ERR(pdev)) { - WARN(1, "Can't build omap_device for %s:%s.\n", - oh->class->name, oh->name); - return PTR_ERR(pdev); - } - - return 0; -} - -void __init am35xx_emac_init(unsigned long mdio_bus_freq, u8 rmii_en) -{ - struct omap_hwmod *oh; - u32 v; - int ret; - - oh = omap_hwmod_lookup("davinci_mdio"); - if (!oh) { - pr_err("Could not find davinci_mdio hwmod\n"); - return; - } - - am35xx_mdio_pdata.bus_freq = mdio_bus_freq; - - ret = omap_davinci_emac_dev_init(oh, &am35xx_mdio_pdata, - sizeof(am35xx_mdio_pdata)); - if (ret) { - pr_err("Could not build davinci_mdio hwmod device\n"); - return; - } - - oh = omap_hwmod_lookup("davinci_emac"); - if (!oh) { - pr_err("Could not find davinci_emac hwmod\n"); - return; - } - - am35xx_emac_pdata.rmii_en = rmii_en; - - ret = omap_davinci_emac_dev_init(oh, &am35xx_emac_pdata, - sizeof(am35xx_emac_pdata)); - if (ret) { - pr_err("Could not build davinci_emac hwmod device\n"); - return; - } - - 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 */ -} |