* Syed Mohammed Khasim <khasim@ti.com>
*
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
+#include <dm.h>
+#include <ns16550.h>
#include <twl4030.h>
#include <asm/io.h>
#include <asm/arch/mmc_host_def.h>
#include <asm/arch/mem.h>
#include <asm/mach-types.h>
#include "devkit8000.h"
+#include <asm/gpio.h>
#ifdef CONFIG_DRIVER_DM9000
#include <net.h>
#include <netdev.h>
DECLARE_GLOBAL_DATA_PTR;
+static u32 gpmc_net_config[GPMC_MAX_REG] = {
+ NET_GPMC_CONFIG1,
+ NET_GPMC_CONFIG2,
+ NET_GPMC_CONFIG3,
+ NET_GPMC_CONFIG4,
+ NET_GPMC_CONFIG5,
+ NET_GPMC_CONFIG6,
+ 0
+};
+
+static const struct ns16550_platdata devkit8000_serial = {
+ OMAP34XX_UART3,
+ 2,
+ V_NS16550_CLK
+};
+
+U_BOOT_DEVICE(devkit8000_uart) = {
+ "serial_omap",
+ &devkit8000_serial
+};
+
/*
* Routine: board_init
* Description: Early hardware init.
return 0;
}
+/* Configure GPMC registers for DM9000 */
+static void gpmc_dm9000_config(void)
+{
+ enable_gpmc_cs_config(gpmc_net_config, &gpmc_cfg->cs[6],
+ CONFIG_DM9000_BASE, GPMC_SIZE_16M);
+}
+
/*
* Routine: misc_init_r
* Description: Configure board specific parts
#ifdef CONFIG_DRIVER_DM9000
/* Configure GPMC registers for DM9000 */
- writel(NET_GPMC_CONFIG1, &gpmc_cfg->cs[6].config1);
- writel(NET_GPMC_CONFIG2, &gpmc_cfg->cs[6].config2);
- writel(NET_GPMC_CONFIG3, &gpmc_cfg->cs[6].config3);
- writel(NET_GPMC_CONFIG4, &gpmc_cfg->cs[6].config4);
- writel(NET_GPMC_CONFIG5, &gpmc_cfg->cs[6].config5);
- writel(NET_GPMC_CONFIG6, &gpmc_cfg->cs[6].config6);
- writel(NET_GPMC_CONFIG7, &gpmc_cfg->cs[6].config7);
+ enable_gpmc_cs_config(gpmc_net_config, &gpmc_cfg->cs[6],
+ CONFIG_DM9000_BASE, GPMC_SIZE_16M);
/* Use OMAP DIE_ID as MAC address */
if (!eth_getenv_enetaddr("ethaddr", enetaddr)) {
#if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
int board_mmc_init(bd_t *bis)
{
- omap_mmc_init(0);
- return 0;
+ return omap_mmc_init(0, 0, 0, -1, -1);
+}
+#endif
+
+#if defined(CONFIG_GENERIC_MMC)
+void board_mmc_power_init(void)
+{
+ twl4030_power_mmc_init(0);
}
#endif
return dm9000_initialize(bis);
}
#endif
+
+#ifdef CONFIG_SPL_OS_BOOT
+/*
+ * Do board specific preperation before SPL
+ * Linux boot
+ */
+void spl_board_prepare_for_linux(void)
+{
+ gpmc_dm9000_config();
+}
+
+/*
+ * devkit8000 specific implementation of spl_start_uboot()
+ *
+ * RETURN
+ * 0 if the button is not pressed
+ * 1 if the button is pressed
+ */
+int spl_start_uboot(void)
+{
+ int val = 0;
+ if (!gpio_request(SPL_OS_BOOT_KEY, "U-Boot key")) {
+ gpio_direction_input(SPL_OS_BOOT_KEY);
+ val = gpio_get_value(SPL_OS_BOOT_KEY);
+ gpio_free(SPL_OS_BOOT_KEY);
+ }
+ return !val;
+}
+#endif
+
+/*
+ * Routine: get_board_mem_timings
+ * Description: If we use SPL then there is no x-loader nor config header
+ * so we have to setup the DDR timings ourself on the first bank. This
+ * provides the timing values back to the function that configures
+ * the memory. We have either one or two banks of 128MB DDR.
+ */
+void get_board_mem_timings(struct board_sdrc_timings *timings)
+{
+ /* General SDRC config */
+ timings->mcfg = MICRON_V_MCFG_165(128 << 20);
+ timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
+
+ /* AC timings */
+ timings->ctrla = MICRON_V_ACTIMA_165;
+ timings->ctrlb = MICRON_V_ACTIMB_165;
+
+ timings->mr = MICRON_V_MR_165;
+}