mirror of
https://github.com/torvalds/linux.git
synced 2024-12-11 13:41:55 +00:00
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: Ilya Yanok <yanok@emcraft.com> Signed-off-by: Igor Grinberg <grinberg@compulab.co.il> Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Ilya Yanok
Tony Lindgren
parent
d4860ebef4
commit
a8195ba87c
@ -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
|
||||
|
||||
117
arch/arm/mach-omap2/am35xx-emac.c
Normal file
117
arch/arm/mach-omap2/am35xx-emac.c
Normal file
@ -0,0 +1,117 @@
|
||||
/*
|
||||
* 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);
|
||||
}
|
||||
15
arch/arm/mach-omap2/am35xx-emac.h
Normal file
15
arch/arm/mach-omap2/am35xx-emac.h
Normal file
@ -0,0 +1,15 @@
|
||||
/*
|
||||
* 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
|
||||
@ -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();
|
||||
|
||||
Loading…
Reference in New Issue
Block a user