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Commit a8195ba8 authored by Ilya Yanok's avatar Ilya Yanok Committed by Tony Lindgren
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ARM: OMAP: move generic EMAC init to separate file 

AM35xx SoCs include DaVinci EMAC IP. Initialization code in
board-am3517evm.c is pretty board independent and will work for any
AM35xx based board so move this code to it's own file to be reused by
other boards.
Signed-off-by: default avatarIlya Yanok <yanok@emcraft.com>
Signed-off-by: default avatarIgor Grinberg <grinberg@compulab.co.il>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent d4860ebe
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Showing with 137 additions and 115 deletions
arch/arm/mach-omap2/Makefile
View file @ a8195ba8
......@@ -270,4 +270,7 @@ smsc911x-$(CONFIG_SMSC911X) := gpmc-smsc911x.o
obj-y += $(smsc911x-m) $(smsc911x-y)
obj-$(CONFIG_ARCH_OMAP4) += hwspinlock.o
emac-$(CONFIG_TI_DAVINCI_EMAC) := am35xx-emac.o
obj-y += $(emac-m) $(emac-y)
obj-y += common-board-devices.o twl-common.o
arch/arm/mach-omap2/am35xx-emac.c 0 → 100644
View file @ a8195ba8
/*
* 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/clk.h>
#include <linux/davinci_emac.h>
#include <linux/platform_device.h>
#include <plat/irqs.h>
#include <mach/am35xx.h>
#include "control.h"
static struct mdio_platform_data am35xx_emac_mdio_pdata;
static struct resource am35xx_emac_mdio_resources[] = {
DEFINE_RES_MEM(AM35XX_IPSS_EMAC_BASE + AM35XX_EMAC_MDIO_OFFSET, SZ_4K),
};
static struct platform_device am35xx_emac_mdio_device = {
.name = "davinci_mdio",
.id = 0,
.num_resources = ARRAY_SIZE(am35xx_emac_mdio_resources),
.resource = am35xx_emac_mdio_resources,
.dev.platform_data = &am35xx_emac_mdio_pdata,
};
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);
}
static void am35xx_disable_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);
omap_ctrl_writel(regval, AM35XX_CONTROL_LVL_INTR_CLEAR);
regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
}
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 resource am35xx_emac_resources[] = {
DEFINE_RES_MEM(AM35XX_IPSS_EMAC_BASE, 0x30000),
DEFINE_RES_IRQ(INT_35XX_EMAC_C0_RXTHRESH_IRQ),
DEFINE_RES_IRQ(INT_35XX_EMAC_C0_RX_PULSE_IRQ),
DEFINE_RES_IRQ(INT_35XX_EMAC_C0_TX_PULSE_IRQ),
DEFINE_RES_IRQ(INT_35XX_EMAC_C0_MISC_PULSE_IRQ),
};
static struct platform_device am35xx_emac_device = {
.name = "davinci_emac",
.id = -1,
.num_resources = ARRAY_SIZE(am35xx_emac_resources),
.resource = am35xx_emac_resources,
.dev = {
.platform_data = &am35xx_emac_pdata,
},
};
void __init am35xx_emac_init(unsigned long mdio_bus_freq, u8 rmii_en)
{
unsigned int regval;
int err;
am35xx_emac_pdata.rmii_en = rmii_en;
am35xx_emac_mdio_pdata.bus_freq = mdio_bus_freq;
err = platform_device_register(&am35xx_emac_device);
if (err) {
pr_err("AM35x: failed registering EMAC device: %d\n", err);
return;
}
err = platform_device_register(&am35xx_emac_mdio_device);
if (err) {
pr_err("AM35x: failed registering EMAC MDIO device: %d\n", err);
platform_device_unregister(&am35xx_emac_device);
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);
}
arch/arm/mach-omap2/am35xx-emac.h 0 → 100644
View file @ a8195ba8
/*
* Copyright (C) 2011 Ilya Yanok, Emcraft Systems
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#define AM35XX_DEFAULT_MDIO_FREQUENCY 1000000
#if defined(CONFIG_TI_DAVINCI_EMAC) || defined(CONFIG_TI_DAVINCI_EMAC_MODULE)
void am35xx_emac_init(unsigned long mdio_bus_freq, u8 rmii_en);
#else
static inline void am35xx_emac_init(unsigned long mdio_bus_freq, u8 rmii_en) {}
#endif
arch/arm/mach-omap2/board-am3517evm.c
View file @ a8195ba8
......@@ -39,124 +39,11 @@
#include <video/omap-panel-generic-dpi.h>
#include <video/omap-panel-dvi.h>
#include "am35xx-emac.h"
#include "mux.h"
#include "control.h"
#include "hsmmc.h"
#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 = {
.rmii_en = 1,
};
static struct resource am3517_emac_resources[] = {
{
.start = AM35XX_IPSS_EMAC_BASE,
.end = AM35XX_IPSS_EMAC_BASE + 0x2FFFF,
.flags = IORESOURCE_MEM,
},
{
.start = INT_35XX_EMAC_C0_RXTHRESH_IRQ,
.end = INT_35XX_EMAC_C0_RXTHRESH_IRQ,
.flags = IORESOURCE_IRQ,
},
{
.start = INT_35XX_EMAC_C0_RX_PULSE_IRQ,
.end = INT_35XX_EMAC_C0_RX_PULSE_IRQ,
.flags = IORESOURCE_IRQ,
},
{
.start = INT_35XX_EMAC_C0_TX_PULSE_IRQ,
.end = INT_35XX_EMAC_C0_TX_PULSE_IRQ,
.flags = IORESOURCE_IRQ,
},
{
.start = INT_35XX_EMAC_C0_MISC_PULSE_IRQ,
.end = INT_35XX_EMAC_C0_MISC_PULSE_IRQ,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device am3517_emac_device = {
.name = "davinci_emac",
.id = -1,
.num_resources = ARRAY_SIZE(am3517_emac_resources),
.resource = am3517_emac_resources,
};
static void am3517_enable_ethernet_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);
}
static void am3517_disable_ethernet_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);
omap_ctrl_writel(regval, AM35XX_CONTROL_LVL_INTR_CLEAR);
regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
}
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->ctrl_ram_size = AM35XX_EMAC_CNTRL_RAM_SIZE;
pdata->version = EMAC_VERSION_2;
pdata->hw_ram_addr = AM35XX_EMAC_HW_RAM_ADDR;
pdata->interrupt_enable = am3517_enable_ethernet_int;
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));
omap_ctrl_writel(regval, AM35XX_CONTROL_IP_SW_RESET);
regval = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
return ;
}
#define LCD_PANEL_PWR 176
#define LCD_PANEL_BKLIGHT_PWR 182
#define LCD_PANEL_PWM 181
......@@ -498,7 +385,7 @@ static void __init am3517_evm_init(void)
i2c_register_board_info(1, am3517evm_i2c1_boardinfo,
ARRAY_SIZE(am3517evm_i2c1_boardinfo));
/*Ethernet*/
am3517_evm_ethernet_init(&am3517_evm_emac_pdata);
am35xx_emac_init(AM35XX_DEFAULT_MDIO_FREQUENCY, 1);
/* MUSB */
am3517_evm_musb_init();
......
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