+// SPDX-License-Identifier: GPL-2.0+
/*
* Bluewater Systems Snapper 9260/9G20 modules
*
* (C) Copyright 2011 Bluewater Systems
* Author: Andre Renaud <andre@bluewatersys.com>
* Author: Ryan Mallon <ryan@bluewatersys.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
*/
#include <common.h>
+#include <dm.h>
+#include <init.h>
#include <asm/io.h>
+#include <asm/gpio.h>
+#include <asm/mach-types.h>
#include <asm/arch/at91sam9260_matrix.h>
#include <asm/arch/at91sam9_smc.h>
#include <asm/arch/at91_common.h>
-#include <asm/arch/at91_pmc.h>
-#include <asm/arch/at91_rstc.h>
+#include <asm/arch/clk.h>
#include <asm/arch/gpio.h>
+#include <asm/arch/atmel_serial.h>
#include <net.h>
#include <netdev.h>
#include <i2c.h>
#include <pca953x.h>
+#include <linux/delay.h>
DECLARE_GLOBAL_DATA_PTR;
static void macb_hw_init(void)
{
- struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
struct at91_port *pioa = (struct at91_port *)ATMEL_BASE_PIOA;
- struct at91_rstc *rstc = (struct at91_rstc *)ATMEL_BASE_RSTC;
- unsigned long erstl;
- /* Enable clock */
- writel(1 << ATMEL_ID_EMAC0, &pmc->pcer);
+ at91_periph_clk_enable(ATMEL_ID_EMAC0);
/* Disable pull-ups to prevent PHY going into test mode */
writel(pin_to_mask(AT91_PIN_PA14) |
/* Enable ethernet power */
pca953x_set_val(0x28, IO_EXP_ETH_POWER, 0);
- /* Need to reset PHY -> 500ms reset */
- erstl = readl(&rstc->mr) & AT91_RSTC_MR_ERSTL_MASK;
- writel(AT91_RSTC_KEY | AT91_RSTC_MR_ERSTL(13) |
- AT91_RSTC_MR_URSTEN, &rstc->mr);
- writel(AT91_RSTC_KEY | AT91_RSTC_CR_EXTRST, &rstc->cr);
-
- /* Wait for end hardware reset */
- while (!(readl(&rstc->sr) & AT91_RSTC_SR_NRSTL))
- ;
-
- /* Restore NRST value */
- writel(AT91_RSTC_KEY | erstl | AT91_RSTC_MR_URSTEN, &rstc->mr);
+ at91_phy_reset();
/* Bring the ethernet out of reset */
pca953x_set_val(0x28, IO_EXP_ETH_RESET, 1);
&smc->cs[3].mode);
/* Configure RDY/BSY */
- at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1);
+ gpio_request(CONFIG_SYS_NAND_READY_PIN, "nand_rdy");
+ gpio_direction_input(CONFIG_SYS_NAND_READY_PIN);
/* Enable NandFlash */
- at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
+ gpio_request(CONFIG_SYS_NAND_ENABLE_PIN, "nand_ce");
+ gpio_direction_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
}
int board_init(void)
{
- struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
-
- /* Enable PIO clocks */
- writel((1 << ATMEL_ID_PIOA) |
- (1 << ATMEL_ID_PIOB) |
- (1 << ATMEL_ID_PIOC), &pmc->pcer);
+ at91_periph_clk_enable(ATMEL_ID_PIOA);
+ at91_periph_clk_enable(ATMEL_ID_PIOB);
+ at91_periph_clk_enable(ATMEL_ID_PIOC);
/* The mach-type is the same for both Snapper 9260 and 9G20 */
gd->bd->bi_arch_number = MACH_TYPE_SNAPPER_9260;
/* Initialise peripherals */
at91_seriald_hw_init();
- i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+ i2c_set_bus_num(0);
nand_hw_init();
macb_hw_init();
void reset_phy(void)
{
}
+
+static struct atmel_serial_platdata at91sam9260_serial_plat = {
+ .base_addr = ATMEL_BASE_DBGU,
+};
+
+U_BOOT_DEVICE(at91sam9260_serial) = {
+ .name = "serial_atmel",
+ .platdata = &at91sam9260_serial_plat,
+};