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authorgonzo <gonzo@FreeBSD.org>2012-08-15 06:31:32 +0000
committergonzo <gonzo@FreeBSD.org>2012-08-15 06:31:32 +0000
commit8ebd91847c4e2a98c80b6f8c8dd615f37ba49ce8 (patch)
treefcda3fb41be4ba1e10ed13e32009c67ce545b238 /sys/arm/ti/ti_prcm.h
parent2b1b507d3c867484eac653ff9dfa6bd4d0159426 (diff)
downloadFreeBSD-src-8ebd91847c4e2a98c80b6f8c8dd615f37ba49ce8.zip
FreeBSD-src-8ebd91847c4e2a98c80b6f8c8dd615f37ba49ce8.tar.gz
Merging of projects/armv6, part 10
- Support for Texas Instruments SoCs: - AM335x - OMAP4 - Kernel configs, DTS for Beaglebone and Pandaboard Submitted by: Ben Gray, Damjan Marion
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+/*
+ * Copyright (c) 2010
+ * Ben Gray <ben.r.gray@gmail.com>.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by Ben Gray.
+ * 4. The name of the company nor the name of the author may be used to
+ * endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY BEN GRAY ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL BEN GRAY BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+
+/*
+ * Texas Instruments - OMAP3xxx series processors
+ *
+ * Reference:
+ * OMAP35x Applications Processor
+ * Technical Reference Manual
+ * (omap35xx_techref.pdf)
+ */
+#ifndef _TI_PRCM_H_
+#define _TI_PRCM_H_
+
+typedef enum {
+
+ /* System clocks, typically you can only call ti_prcm_clk_get_source_freq()
+ * on these clocks as they are enabled by default.
+ */
+ SYS_CLK = 1,
+
+ /* The MPU (ARM) core clock */
+ MPU_CLK = 20,
+
+ /* MMC modules */
+ MMC0_CLK = 100,
+ MMC1_CLK,
+ MMC2_CLK,
+ MMC3_CLK,
+ MMC4_CLK,
+ MMC5_CLK,
+
+ /* I2C modules */
+ I2C0_CLK = 200,
+ I2C1_CLK,
+ I2C2_CLK,
+ I2C3_CLK,
+ I2C4_CLK,
+
+ /* USB module(s) */
+ USBTLL_CLK = 300,
+ USBHSHOST_CLK,
+ USBFSHOST_CLK,
+ USBP1_PHY_CLK,
+ USBP2_PHY_CLK,
+ USBP1_UTMI_CLK,
+ USBP2_UTMI_CLK,
+ USBP1_HSIC_CLK,
+ USBP2_HSIC_CLK,
+
+ /* UART modules */
+ UART1_CLK = 400,
+ UART2_CLK,
+ UART3_CLK,
+ UART4_CLK,
+
+ /* General purpose timer modules */
+ GPTIMER1_CLK = 500,
+ GPTIMER2_CLK,
+ GPTIMER3_CLK,
+ GPTIMER4_CLK,
+ GPTIMER5_CLK,
+ GPTIMER6_CLK,
+ GPTIMER7_CLK,
+ GPTIMER8_CLK,
+ GPTIMER9_CLK,
+ GPTIMER10_CLK,
+ GPTIMER11_CLK,
+ GPTIMER12_CLK,
+
+ /* McBSP module(s) */
+ MCBSP1_CLK = 600,
+ MCBSP2_CLK,
+ MCBSP3_CLK,
+ MCBSP4_CLK,
+ MCBSP5_CLK,
+
+ /* General purpose I/O modules */
+ GPIO0_CLK = 700,
+ GPIO1_CLK,
+ GPIO2_CLK,
+ GPIO3_CLK,
+ GPIO4_CLK,
+ GPIO5_CLK,
+ GPIO6_CLK,
+
+ /* sDMA module */
+ SDMA_CLK = 800,
+
+ /* DMTimer modules */
+ DMTIMER0_CLK = 900,
+ DMTIMER1_CLK,
+ DMTIMER2_CLK,
+ DMTIMER3_CLK,
+ DMTIMER4_CLK,
+ DMTIMER5_CLK,
+ DMTIMER6_CLK,
+ DMTIMER7_CLK,
+
+ /* CPSW modules */
+ CPSW_CLK = 1000,
+
+ /* Mentor USB modules */
+ MUSB0_CLK = 1100,
+
+ /* EDMA module */
+ EDMA_TPCC_CLK = 1200,
+ EDMA_TPTC0_CLK,
+ EDMA_TPTC1_CLK,
+ EDMA_TPTC2_CLK,
+
+ INVALID_CLK_IDENT
+
+} clk_ident_t;
+
+/*
+ *
+ */
+typedef enum {
+ SYSCLK_CLK, /* System clock */
+ EXT_CLK,
+
+ F32KHZ_CLK, /* 32KHz clock */
+ F48MHZ_CLK, /* 48MHz clock */
+ F64MHZ_CLK, /* 64MHz clock */
+ F96MHZ_CLK, /* 96MHz clock */
+
+} clk_src_t;
+
+struct ti_clock_dev {
+ /* The profile of the timer */
+ clk_ident_t id;
+
+ /* A bunch of callbacks associated with the clock device */
+ int (*clk_activate)(struct ti_clock_dev *clkdev);
+ int (*clk_deactivate)(struct ti_clock_dev *clkdev);
+ int (*clk_set_source)(struct ti_clock_dev *clkdev,
+ clk_src_t clksrc);
+ int (*clk_accessible)(struct ti_clock_dev *clkdev);
+ int (*clk_get_source_freq)(struct ti_clock_dev *clkdev,
+ unsigned int *freq);
+};
+
+int ti_prcm_clk_valid(clk_ident_t clk);
+int ti_prcm_clk_enable(clk_ident_t clk);
+int ti_prcm_clk_disable(clk_ident_t clk);
+int ti_prcm_clk_accessible(clk_ident_t clk);
+int ti_prcm_clk_disable_autoidle(clk_ident_t clk);
+int ti_prcm_clk_set_source(clk_ident_t clk, clk_src_t clksrc);
+int ti_prcm_clk_get_source_freq(clk_ident_t clk, unsigned int *freq);
+void ti_prcm_reset(void);
+
+#endif /* _TI_PRCM_H_ */
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