Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / drivers / power / ftpmu010.c

diff --git a/qemu/roms/u-boot/drivers/power/ftpmu010.c b/qemu/roms/u-boot/drivers/power/ftpmu010.c
new file mode 100644 (file)
index 0000000..78128c6
--- /dev/null
+++ b/qemu/roms/u-boot/drivers/power/ftpmu010.c
@@ -0,0 +1,88 @@
+/*
+ * (C) Copyright 2009 Faraday Technology
+ * Po-Yu Chuang <ratbert@faraday-tech.com>
+ *
+ * Copyright (C) 2010 Andes Technology Corporation
+ * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
+ * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <faraday/ftpmu010.h>
+
+/* OSCC: OSC Control Register */
+void ftpmu010_32768osc_enable(void)
+{
+       static struct ftpmu010 *pmu = (struct ftpmu010 *)CONFIG_FTPMU010_BASE;
+       unsigned int oscc;
+
+       /* enable the 32768Hz oscillator */
+       oscc = readl(&pmu->OSCC);
+       oscc &= ~(FTPMU010_OSCC_OSCL_OFF | FTPMU010_OSCC_OSCL_TRI);
+       writel(oscc, &pmu->OSCC);
+
+       /* wait until ready */
+       while (!(readl(&pmu->OSCC) & FTPMU010_OSCC_OSCL_STABLE))
+               ;
+
+       /* select 32768Hz oscillator */
+       oscc = readl(&pmu->OSCC);
+       oscc |= FTPMU010_OSCC_OSCL_RTCLSEL;
+       writel(oscc, &pmu->OSCC);
+}
+
+/* MFPSR: Multi-Function Port Setting Register */
+void ftpmu010_mfpsr_select_dev(unsigned int dev)
+{
+       static struct ftpmu010 *pmu = (struct ftpmu010 *)CONFIG_FTPMU010_BASE;
+       unsigned int mfpsr;
+
+       mfpsr = readl(&pmu->MFPSR);
+       mfpsr |= dev;
+       writel(mfpsr, &pmu->MFPSR);
+}
+
+void ftpmu010_mfpsr_diselect_dev(unsigned int dev)
+{
+       static struct ftpmu010 *pmu = (struct ftpmu010 *)CONFIG_FTPMU010_BASE;
+       unsigned int mfpsr;
+
+       mfpsr = readl(&pmu->MFPSR);
+       mfpsr &= ~dev;
+       writel(mfpsr, &pmu->MFPSR);
+}
+
+/* PDLLCR0: PLL/DLL Control Register 0 */
+void ftpmu010_dlldis_disable(void)
+{
+       static struct ftpmu010 *pmu = (struct ftpmu010 *)CONFIG_FTPMU010_BASE;
+       unsigned int pdllcr0;
+
+       pdllcr0 = readl(&pmu->PDLLCR0);
+       pdllcr0 |= FTPMU010_PDLLCR0_DLLDIS;
+       writel(pdllcr0, &pmu->PDLLCR0);
+}
+
+void ftpmu010_sdram_clk_disable(unsigned int cr0)
+{
+       static struct ftpmu010 *pmu = (struct ftpmu010 *)CONFIG_FTPMU010_BASE;
+       unsigned int pdllcr0;
+
+       pdllcr0 = readl(&pmu->PDLLCR0);
+       pdllcr0 |= FTPMU010_PDLLCR0_HCLKOUTDIS(cr0);
+       writel(pdllcr0, &pmu->PDLLCR0);
+}
+
+/* SDRAMHTC: SDRAM Signal Hold Time Control */
+void ftpmu010_sdramhtc_set(unsigned int val)
+{
+       static struct ftpmu010 *pmu = (struct ftpmu010 *)CONFIG_FTPMU010_BASE;
+       unsigned int sdramhtc;
+
+       sdramhtc = readl(&pmu->SDRAMHTC);
+       sdramhtc |= val;
+       writel(sdramhtc, &pmu->SDRAMHTC);
+}