* Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
* on behalf of DENX Software Engineering GmbH
*
- * 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 <asm/io.h>
#include <asm/arch/imx-regs.h>
-#include "mx28_init.h"
+#include "mxs_init.h"
-void mx28_lradc_init(void)
+void mxs_lradc_init(void)
{
- struct mx28_lradc_regs *regs = (struct mx28_lradc_regs *)MXS_LRADC_BASE;
+ struct mxs_lradc_regs *regs = (struct mxs_lradc_regs *)MXS_LRADC_BASE;
+
+ debug("SPL: Initialisating LRADC\n");
writel(LRADC_CTRL0_SFTRST, ®s->hw_lradc_ctrl0_clr);
writel(LRADC_CTRL0_CLKGATE, ®s->hw_lradc_ctrl0_clr);
LRADC_CTRL4_LRADC6SELECT_CHANNEL10);
}
-void mx28_lradc_enable_batt_measurement(void)
+void mxs_lradc_enable_batt_measurement(void)
{
- struct mx28_lradc_regs *regs = (struct mx28_lradc_regs *)MXS_LRADC_BASE;
+ struct mxs_lradc_regs *regs = (struct mxs_lradc_regs *)MXS_LRADC_BASE;
+
+ debug("SPL: Enabling LRADC battery measurement\n");
/* Check if the channel is present at all. */
- if (!(readl(®s->hw_lradc_status) & LRADC_STATUS_CHANNEL7_PRESENT))
+ if (!(readl(®s->hw_lradc_status) & LRADC_STATUS_CHANNEL7_PRESENT)) {
+ debug("SPL: LRADC channel 7 is not present - aborting\n");
return;
+ }
+
+ debug("SPL: LRADC channel 7 is present - configuring\n");
writel(LRADC_CTRL1_LRADC7_IRQ_EN, ®s->hw_lradc_ctrl1_clr);
writel(LRADC_CTRL1_LRADC7_IRQ, ®s->hw_lradc_ctrl1_clr);
100, ®s->hw_lradc_delay3);
writel(0xffffffff, ®s->hw_lradc_ch7_clr);
-
writel(LRADC_DELAY_KICK, ®s->hw_lradc_delay3_set);
+
+ debug("SPL: LRADC channel 7 configuration complete\n");
}