2010-09-23 16:28:40 +00:00
|
|
|
/*
|
|
|
|
* Hawkboard.org based on TI's OMAP-L138 Platform
|
|
|
|
*
|
|
|
|
* Initial code: Syed Mohammed Khasim
|
|
|
|
*
|
|
|
|
* Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com
|
|
|
|
*
|
|
|
|
* This file is licensed under the terms of the GNU General Public License
|
|
|
|
* version 2. This program is licensed "as is" without any warranty of
|
|
|
|
* any kind, whether express or implied.
|
|
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
|
|
#include <linux/init.h>
|
|
|
|
#include <linux/console.h>
|
|
|
|
#include <linux/gpio.h>
|
|
|
|
|
|
|
|
#include <asm/mach-types.h>
|
|
|
|
#include <asm/mach/arch.h>
|
|
|
|
|
|
|
|
#include <mach/cp_intc.h>
|
|
|
|
#include <mach/da8xx.h>
|
2010-12-27 22:43:08 +00:00
|
|
|
#include <mach/mux.h>
|
|
|
|
|
|
|
|
#define HAWKBOARD_PHY_ID "0:07"
|
|
|
|
|
|
|
|
static short omapl138_hawk_mii_pins[] __initdata = {
|
|
|
|
DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3,
|
|
|
|
DA850_MII_TXD_2, DA850_MII_TXD_1, DA850_MII_TXD_0, DA850_MII_RXER,
|
|
|
|
DA850_MII_CRS, DA850_MII_RXCLK, DA850_MII_RXDV, DA850_MII_RXD_3,
|
|
|
|
DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0, DA850_MDIO_CLK,
|
|
|
|
DA850_MDIO_D,
|
|
|
|
-1
|
|
|
|
};
|
|
|
|
|
|
|
|
static __init void omapl138_hawk_config_emac(void)
|
|
|
|
{
|
|
|
|
void __iomem *cfgchip3 = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
|
|
|
|
int ret;
|
|
|
|
u32 val;
|
|
|
|
struct davinci_soc_info *soc_info = &davinci_soc_info;
|
|
|
|
|
|
|
|
val = __raw_readl(cfgchip3);
|
|
|
|
val &= ~BIT(8);
|
|
|
|
ret = davinci_cfg_reg_list(omapl138_hawk_mii_pins);
|
|
|
|
if (ret) {
|
|
|
|
pr_warning("%s: cpgmac/mii mux setup failed: %d\n",
|
|
|
|
__func__, ret);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* configure the CFGCHIP3 register for MII */
|
|
|
|
__raw_writel(val, cfgchip3);
|
|
|
|
pr_info("EMAC: MII PHY configured\n");
|
|
|
|
|
|
|
|
soc_info->emac_pdata->phy_id = HAWKBOARD_PHY_ID;
|
|
|
|
|
|
|
|
ret = da8xx_register_emac();
|
|
|
|
if (ret)
|
|
|
|
pr_warning("%s: emac registration failed: %d\n",
|
|
|
|
__func__, ret);
|
|
|
|
}
|
|
|
|
|
2010-09-23 16:28:40 +00:00
|
|
|
|
|
|
|
static struct davinci_uart_config omapl138_hawk_uart_config __initdata = {
|
|
|
|
.enabled_uarts = 0x7,
|
|
|
|
};
|
|
|
|
|
|
|
|
static __init void omapl138_hawk_init(void)
|
|
|
|
{
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
davinci_serial_init(&omapl138_hawk_uart_config);
|
|
|
|
|
2010-12-27 22:43:08 +00:00
|
|
|
omapl138_hawk_config_emac();
|
|
|
|
|
2010-09-23 16:28:40 +00:00
|
|
|
ret = da8xx_register_watchdog();
|
|
|
|
if (ret)
|
|
|
|
pr_warning("omapl138_hawk_init: "
|
|
|
|
"watchdog registration failed: %d\n",
|
|
|
|
ret);
|
|
|
|
}
|
|
|
|
|
|
|
|
#ifdef CONFIG_SERIAL_8250_CONSOLE
|
|
|
|
static int __init omapl138_hawk_console_init(void)
|
|
|
|
{
|
|
|
|
if (!machine_is_omapl138_hawkboard())
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
return add_preferred_console("ttyS", 2, "115200");
|
|
|
|
}
|
|
|
|
console_initcall(omapl138_hawk_console_init);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
static void __init omapl138_hawk_map_io(void)
|
|
|
|
{
|
|
|
|
da850_init();
|
|
|
|
}
|
|
|
|
|
|
|
|
MACHINE_START(OMAPL138_HAWKBOARD, "AM18x/OMAP-L138 Hawkboard")
|
|
|
|
.boot_params = (DA8XX_DDR_BASE + 0x100),
|
|
|
|
.map_io = omapl138_hawk_map_io,
|
|
|
|
.init_irq = cp_intc_init,
|
|
|
|
.timer = &davinci_timer,
|
|
|
|
.init_machine = omapl138_hawk_init,
|
|
|
|
MACHINE_END
|