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Linux/arch/arm/mach-davinci/da8xx-dt.c

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  1 /*
  2  * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
  3  *
  4  * Modified from mach-omap/omap2/board-generic.c
  5  *
  6  * This program is free software; you can redistribute it and/or modify
  7  * it under the terms of the GNU General Public License version 2 as
  8  * published by the Free Software Foundation.
  9  */
 10 #include <linux/io.h>
 11 #include <linux/of_irq.h>
 12 #include <linux/of_platform.h>
 13 #include <linux/irqdomain.h>
 14 #include <linux/platform_data/ti-aemif.h>
 15 
 16 #include <asm/mach/arch.h>
 17 
 18 #include <mach/common.h>
 19 #include "cp_intc.h"
 20 #include <mach/da8xx.h>
 21 
 22 static struct of_dev_auxdata da850_aemif_auxdata_lookup[] = {
 23         OF_DEV_AUXDATA("ti,davinci-nand", 0x62000000, "davinci-nand.0", NULL),
 24         {}
 25 };
 26 
 27 static struct aemif_platform_data aemif_data = {
 28         .dev_lookup = da850_aemif_auxdata_lookup,
 29 };
 30 
 31 static struct of_dev_auxdata da850_auxdata_lookup[] __initdata = {
 32         OF_DEV_AUXDATA("ti,davinci-i2c", 0x01c22000, "i2c_davinci.1", NULL),
 33         OF_DEV_AUXDATA("ti,davinci-i2c", 0x01e28000, "i2c_davinci.2", NULL),
 34         OF_DEV_AUXDATA("ti,davinci-wdt", 0x01c21000, "davinci-wdt", NULL),
 35         OF_DEV_AUXDATA("ti,da830-mmc", 0x01c40000, "da830-mmc.0", NULL),
 36         OF_DEV_AUXDATA("ti,da850-ehrpwm", 0x01f00000, "ehrpwm.0", NULL),
 37         OF_DEV_AUXDATA("ti,da850-ehrpwm", 0x01f02000, "ehrpwm.1", NULL),
 38         OF_DEV_AUXDATA("ti,da850-ecap", 0x01f06000, "ecap.0", NULL),
 39         OF_DEV_AUXDATA("ti,da850-ecap", 0x01f07000, "ecap.1", NULL),
 40         OF_DEV_AUXDATA("ti,da850-ecap", 0x01f08000, "ecap.2", NULL),
 41         OF_DEV_AUXDATA("ti,da830-spi", 0x01c41000, "spi_davinci.0", NULL),
 42         OF_DEV_AUXDATA("ti,da830-spi", 0x01f0e000, "spi_davinci.1", NULL),
 43         OF_DEV_AUXDATA("ns16550a", 0x01c42000, "serial8250.0", NULL),
 44         OF_DEV_AUXDATA("ns16550a", 0x01d0c000, "serial8250.1", NULL),
 45         OF_DEV_AUXDATA("ns16550a", 0x01d0d000, "serial8250.2", NULL),
 46         OF_DEV_AUXDATA("ti,davinci_mdio", 0x01e24000, "davinci_mdio.0", NULL),
 47         OF_DEV_AUXDATA("ti,davinci-dm6467-emac", 0x01e20000, "davinci_emac.1",
 48                        NULL),
 49         OF_DEV_AUXDATA("ti,da830-mcasp-audio", 0x01d00000, "davinci-mcasp.0", NULL),
 50         OF_DEV_AUXDATA("ti,da850-aemif", 0x68000000, "ti-aemif", &aemif_data),
 51         OF_DEV_AUXDATA("ti,da850-tilcdc", 0x01e13000, "da8xx_lcdc.0", NULL),
 52         OF_DEV_AUXDATA("ti,da830-ohci", 0x01e25000, "ohci-da8xx", NULL),
 53         OF_DEV_AUXDATA("ti,da830-musb", 0x01e00000, "musb-da8xx", NULL),
 54         OF_DEV_AUXDATA("ti,da830-usb-phy", 0x01c1417c, "da8xx-usb-phy", NULL),
 55         OF_DEV_AUXDATA("ti,da850-ahci", 0x01e18000, "ahci_da850", NULL),
 56         OF_DEV_AUXDATA("ti,da850-vpif", 0x01e17000, "vpif", NULL),
 57         OF_DEV_AUXDATA("ti,da850-dsp", 0x11800000, "davinci-rproc.0", NULL),
 58         {}
 59 };
 60 
 61 #ifdef CONFIG_ARCH_DAVINCI_DA850
 62 
 63 static void __init da850_init_machine(void)
 64 {
 65         /* All existing boards use 100MHz SATA refclkpn */
 66         static const unsigned long sata_refclkpn = 100 * 1000 * 1000;
 67 
 68         int ret;
 69 
 70         ret = da8xx_register_usb20_phy_clk(false);
 71         if (ret)
 72                 pr_warn("%s: registering USB 2.0 PHY clock failed: %d",
 73                         __func__, ret);
 74         ret = da8xx_register_usb11_phy_clk(false);
 75         if (ret)
 76                 pr_warn("%s: registering USB 1.1 PHY clock failed: %d",
 77                         __func__, ret);
 78 
 79         ret = da850_register_sata_refclk(sata_refclkpn);
 80         if (ret)
 81                 pr_warn("%s: registering SATA REFCLK failed: %d",
 82                         __func__, ret);
 83 
 84         of_platform_default_populate(NULL, da850_auxdata_lookup, NULL);
 85         davinci_pm_init();
 86         pdata_quirks_init();
 87 }
 88 
 89 static const char *const da850_boards_compat[] __initconst = {
 90         "enbw,cmc",
 91         "ti,da850-lcdk",
 92         "ti,da850-evm",
 93         "ti,da850",
 94         NULL,
 95 };
 96 
 97 DT_MACHINE_START(DA850_DT, "Generic DA850/OMAP-L138/AM18x")
 98         .map_io         = da850_init,
 99         .init_time      = davinci_timer_init,
100         .init_machine   = da850_init_machine,
101         .dt_compat      = da850_boards_compat,
102         .init_late      = davinci_init_late,
103         .restart        = da8xx_restart,
104 MACHINE_END
105 
106 #endif
107 

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