void __init da8xx_register_mcasp(int id, struct snd_platform_data *pdata) { /* DA830/OMAP-L137 has 3 instances of McASP */ if (cpu_is_davinci_da830() && id == 1) { da830_mcasp1_device.dev.platform_data = pdata; platform_device_register(&da830_mcasp1_device); } else if (cpu_is_davinci_da850()) { da850_mcasp_device.dev.platform_data = pdata; platform_device_register(&da850_mcasp_device); } }
int __init da8xx_register_edma(void) { struct platform_device *pdev; if (cpu_is_davinci_da830()) pdev = &da830_edma_device; else if (cpu_is_davinci_da850()) pdev = &da850_edma_device; else return -ENODEV; return platform_device_register(pdev); }
int __init da8xx_register_spi_bus(int instance, unsigned num_chipselect) { if (instance < 0 || instance > 1) return -EINVAL; da8xx_spi_pdata[instance].num_chipselect = num_chipselect; if (instance == 1 && cpu_is_davinci_da850()) { da8xx_spi1_resources[0].start = DA850_SPI1_BASE; da8xx_spi1_resources[0].end = DA850_SPI1_BASE + SZ_4K - 1; } return platform_device_register(&da8xx_spi_device[instance]); }
int __init davinci_serial_init(struct davinci_uart_config *info) { int i; char name[16]; struct clk *uart_clk; struct davinci_soc_info *soc_info = &davinci_soc_info; struct device *dev = &soc_info->serial_dev->dev; struct plat_serial8250_port *p = dev->platform_data; /* * Make sure the serial ports are muxed on at this point. * You have to mux them off in device drivers later on if not needed. */ for (i = 0; p->flags; i++, p++) { if (!(info->enabled_uarts & (1 << i))) continue; sprintf(name, "uart%d", i); uart_clk = clk_get(dev, name); if (IS_ERR(uart_clk)) { printk(KERN_ERR "%s:%d: failed to get UART%d clock\n", __func__, __LINE__, i); continue; } clk_enable(uart_clk); p->uartclk = clk_get_rate(uart_clk); p->clk = uart_clk; if (!p->membase && p->mapbase) { p->membase = ioremap(p->mapbase, SZ_4K); if (p->membase) p->flags &= ~UPF_IOREMAP; else pr_err("uart regs ioremap failed\n"); } if (p->membase && ((p->type != PORT_AR7) || cpu_is_davinci_da850() || cpu_is_davinci_da830())) davinci_serial_reset(p); } return platform_device_register(soc_info->serial_dev); }
/* Enable or disable a PSC domain */ void davinci_psc_config(unsigned int domain, unsigned int ctlr, unsigned int id, char enable) { u32 epcpr, ptcmd, ptstat, pdstat, pdctl1, mdstat, mdctl; void __iomem *psc_base; struct davinci_soc_info *soc_info = &davinci_soc_info; u32 next_state = enable ? 0x3 : 0x2; /* 0x3 enables, 0x2 disables */ if (!soc_info->psc_bases || (ctlr >= soc_info->psc_bases_num)) { pr_warning("PSC: Bad psc data: 0x%x[%d]\n", (int)soc_info->psc_bases, ctlr); return; } psc_base = soc_info->psc_bases[ctlr]; mdctl = __raw_readl(psc_base + MDCTL + 4 * id); mdctl &= ~MDSTAT_STATE_MASK; mdctl |= next_state; /* For SATA force the domain turn on */ if (cpu_is_davinci_da850() && (id == 8) && (ctlr == 1)) mdctl |= 0x80000000; __raw_writel(mdctl, psc_base + MDCTL + 4 * id); pdstat = __raw_readl(psc_base + PDSTAT); if ((pdstat & 0x00000001) == 0) { pdctl1 = __raw_readl(psc_base + PDCTL1); pdctl1 |= 0x1; __raw_writel(pdctl1, psc_base + PDCTL1); ptcmd = 1 << domain; __raw_writel(ptcmd, psc_base + PTCMD); do { epcpr = __raw_readl(psc_base + EPCPR); } while ((((epcpr >> domain) & 1) == 0)); pdctl1 = __raw_readl(psc_base + PDCTL1); pdctl1 |= 0x100; __raw_writel(pdctl1, psc_base + PDCTL1); do { ptstat = __raw_readl(psc_base + PTSTAT); } while (!(((ptstat >> domain) & 1) == 0)); } else {
int __init da8xx_register_spi(int instance, struct spi_board_info *info, unsigned len) { int ret; if (instance < 0 || instance > 1) return -EINVAL; ret = spi_register_board_info(info, len); if (ret) pr_warning("%s: failed to register board info for spi %d :" " %d\n", __func__, instance, ret); da8xx_spi_pdata[instance].num_chipselect = len; if (instance == 1 && cpu_is_davinci_da850()) { da8xx_spi1_resources[0].start = DA850_SPI1_BASE; da8xx_spi1_resources[0].end = DA850_SPI1_BASE + SZ_4K - 1; } return platform_device_register(&da8xx_spi_device[instance]); }