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ARM: OMAP: move generic EMAC init to separate file

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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
2012-03-05 11:08:36 -08:00
committed by Tony Lindgren
parent d4860ebef4
commit a8195ba87c
4 changed files with 137 additions and 115 deletions
Download Patch File Download Diff File Expand all files Collapse all files

117
arch/arm/mach-omap2/board-am3517evm.c
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@@ -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();