/* * TI DaVinci DM644x chip specific setup * * Author: Kevin Hilman, Deep Root Systems, LLC * * 2007 (c) Deep Root Systems, LLC. This file is licensed under * the terms of the GNU General Public License version 2. This program * is licensed "as is" without any warranty of any kind, whether express * or implied. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "asp.h" #include "davinci.h" #include "irqs.h" #include "mux.h" #define DAVINCI_VPIF_BASE (0x01C12000) #define VDD3P3V_VID_MASK (BIT_MASK(3) | BIT_MASK(2) | BIT_MASK(1) |\ BIT_MASK(0)) #define VSCLKDIS_MASK (BIT_MASK(11) | BIT_MASK(10) | BIT_MASK(9) |\ BIT_MASK(8)) #define DM646X_EMAC_BASE 0x01c80000 #define DM646X_EMAC_MDIO_BASE (DM646X_EMAC_BASE + 0x4000) #define DM646X_EMAC_CNTRL_OFFSET 0x0000 #define DM646X_EMAC_CNTRL_MOD_OFFSET 0x1000 #define DM646X_EMAC_CNTRL_RAM_OFFSET 0x2000 #define DM646X_EMAC_CNTRL_RAM_SIZE 0x2000 static struct emac_platform_data dm646x_emac_pdata = { .ctrl_reg_offset = DM646X_EMAC_CNTRL_OFFSET, .ctrl_mod_reg_offset = DM646X_EMAC_CNTRL_MOD_OFFSET, .ctrl_ram_offset = DM646X_EMAC_CNTRL_RAM_OFFSET, .ctrl_ram_size = DM646X_EMAC_CNTRL_RAM_SIZE, .version = EMAC_VERSION_2, }; static struct resource dm646x_emac_resources[] = { { .start = DM646X_EMAC_BASE, .end = DM646X_EMAC_BASE + SZ_16K - 1, .flags = IORESOURCE_MEM, }, { .start = DAVINCI_INTC_IRQ(IRQ_DM646X_EMACRXTHINT), .end = DAVINCI_INTC_IRQ(IRQ_DM646X_EMACRXTHINT), .flags = IORESOURCE_IRQ, }, { .start = DAVINCI_INTC_IRQ(IRQ_DM646X_EMACRXINT), .end = DAVINCI_INTC_IRQ(IRQ_DM646X_EMACRXINT), .flags = IORESOURCE_IRQ, }, { .start = DAVINCI_INTC_IRQ(IRQ_DM646X_EMACTXINT), .end = DAVINCI_INTC_IRQ(IRQ_DM646X_EMACTXINT), .flags = IORESOURCE_IRQ, }, { .start = DAVINCI_INTC_IRQ(IRQ_DM646X_EMACMISCINT), .end = DAVINCI_INTC_IRQ(IRQ_DM646X_EMACMISCINT), .flags = IORESOURCE_IRQ, }, }; static struct platform_device dm646x_emac_device = { .name = "davinci_emac", .id = 1, .dev = { .platform_data = &dm646x_emac_pdata, }, .num_resources = ARRAY_SIZE(dm646x_emac_resources), .resource = dm646x_emac_resources, }; static struct resource dm646x_mdio_resources[] = { { .start = DM646X_EMAC_MDIO_BASE, .end = DM646X_EMAC_MDIO_BASE + SZ_4K - 1, .flags = IORESOURCE_MEM, }, }; static struct platform_device dm646x_mdio_device = { .name = "davinci_mdio", .id = 0, .num_resources = ARRAY_SIZE(dm646x_mdio_resources), .resource = dm646x_mdio_resources, }; /* * Device specific mux setup * * soc description mux mode mode mux dbg * reg offset mask mode */ static const struct mux_config dm646x_pins[] = { #ifdef CONFIG_DAVINCI_MUX MUX_CFG(DM646X, ATAEN, 0, 0, 5, 1, true) MUX_CFG(DM646X, AUDCK1, 0, 29, 1, 0, false) MUX_CFG(DM646X, AUDCK0, 0, 28, 1, 0, false) MUX_CFG(DM646X, CRGMUX, 0, 24, 7, 5, true) MUX_CFG(DM646X, STSOMUX_DISABLE, 0, 22, 3, 0, true) MUX_CFG(DM646X, STSIMUX_DISABLE, 0, 20, 3, 0, true) MUX_CFG(DM646X, PTSOMUX_DISABLE, 0, 18, 3, 0, true) MUX_CFG(DM646X, PTSIMUX_DISABLE, 0, 16, 3, 0, true) MUX_CFG(DM646X, STSOMUX, 0, 22, 3, 2, true) MUX_CFG(DM646X, STSIMUX, 0, 20, 3, 2, true) MUX_CFG(DM646X, PTSOMUX_PARALLEL, 0, 18, 3, 2, true) MUX_CFG(DM646X, PTSIMUX_PARALLEL, 0, 16, 3, 2, true) MUX_CFG(DM646X, PTSOMUX_SERIAL, 0, 18, 3, 3, true) MUX_CFG(DM646X, PTSIMUX_SERIAL, 0, 16, 3, 3, true) #endif }; static u8 dm646x_default_priorities[DAVINCI_N_AINTC_IRQ] = { [IRQ_DM646X_VP_VERTINT0] = 7, [IRQ_DM646X_VP_VERTINT1] = 7, [IRQ_DM646X_VP_VERTINT2] = 7, [IRQ_DM646X_VP_VERTINT3] = 7, [IRQ_DM646X_VP_ERRINT] = 7, [IRQ_DM646X_RESERVED_1] = 7, [IRQ_DM646X_RESERVED_2] = 7, [IRQ_DM646X_WDINT] = 7, [IRQ_DM646X_CRGENINT0] = 7, [IRQ_DM646X_CRGENINT1] = 7, [IRQ_DM646X_TSIFINT0] = 7, [IRQ_DM646X_TSIFINT1] = 7, [IRQ_DM646X_VDCEINT] = 7, [IRQ_DM646X_USBINT] = 7, [IRQ_DM646X_USBDMAINT] = 7, [IRQ_DM646X_PCIINT] = 7, [IRQ_CCINT0] = 7, /* dma */ [IRQ_CCERRINT] = 7, /* dma */ [IRQ_TCERRINT0] = 7, /* dma */ [IRQ_TCERRINT] = 7, /* dma */ [IRQ_DM646X_TCERRINT2] = 7, [IRQ_DM646X_TCERRINT3] = 7, [IRQ_DM646X_IDE] = 7, [IRQ_DM646X_HPIINT] = 7, [IRQ_DM646X_EMACRXTHINT] = 7, [IRQ_DM646X_EMACRXINT] = 7, [IRQ_DM646X_EMACTXINT] = 7, [IRQ_DM646X_EMACMISCINT] = 7, [IRQ_DM646X_MCASP0TXINT] = 7, [IRQ_DM646X_MCASP0RXINT] = 7, [IRQ_DM646X_RESERVED_3] = 7, [IRQ_DM646X_MCASP1TXINT] = 7, [IRQ_TINT0_TINT12] = 7, /* clockevent */ [IRQ_TINT0_TINT34] = 7, /* clocksource */ [IRQ_TINT1_TINT12] = 7, /* DSP timer */ [IRQ_TINT1_TINT34] = 7, /* system tick */ [IRQ_PWMINT0] = 7, [IRQ_PWMINT1] = 7, [IRQ_DM646X_VLQINT] = 7, [IRQ_I2C] = 7, [IRQ_UARTINT0] = 7, [IRQ_UARTINT1] = 7, [IRQ_DM646X_UARTINT2] = 7, [IRQ_DM646X_SPINT0] = 7, [IRQ_DM646X_SPINT1] = 7, [IRQ_DM646X_DSP2ARMINT] = 7, [IRQ_DM646X_RESERVED_4] = 7, [IRQ_DM646X_PSCINT] = 7, [IRQ_DM646X_GPIO0] = 7, [IRQ_DM646X_GPIO1] = 7, [IRQ_DM646X_GPIO2] = 7, [IRQ_DM646X_GPIO3] = 7, [IRQ_DM646X_GPIO4] = 7, [IRQ_DM646X_GPIO5] = 7, [IRQ_DM646X_GPIO6] = 7, [IRQ_DM646X_GPIO7] = 7, [IRQ_DM646X_GPIOBNK0] = 7, [IRQ_DM646X_GPIOBNK1] = 7, [IRQ_DM646X_GPIOBNK2] = 7, [IRQ_DM646X_DDRINT] = 7, [IRQ_DM646X_AEMIFINT] = 7, [IRQ_COMMTX] = 7, [IRQ_COMMRX] = 7, [IRQ_EMUINT] = 7, }; /*----------------------------------------------------------------------*/ /* Four Transfer Controllers on DM646x */ static s8 dm646x_queue_priority_mapping[][2] = { /* {event queue no, Priority} */ {0, 4}, {1, 0}, {2, 5}, {3, 1}, {-1, -1}, }; static const struct dma_slave_map dm646x_edma_map[] = { { "davinci-mcasp.0", "tx", EDMA_FILTER_PARAM(0, 6) }, { "davinci-mcasp.0", "rx", EDMA_FILTER_PARAM(0, 9) }, { "davinci-mcasp.1", "tx", EDMA_FILTER_PARAM(0, 12) }, { "spi_davinci", "tx", EDMA_FILTER_PARAM(0, 16) }, { "spi_davinci", "rx", EDMA_FILTER_PARAM(0, 17) }, }; static struct edma_soc_info dm646x_edma_pdata = { .queue_priority_mapping = dm646x_queue_priority_mapping, .default_queue = EVENTQ_1, .slave_map = dm646x_edma_map, .slavecnt = ARRAY_SIZE(dm646x_edma_map), }; static struct resource edma_resources[] = { { .name = "edma3_cc", .start = 0x01c00000, .end = 0x01c00000 + SZ_64K - 1, .flags = IORESOURCE_MEM, }, { .name = "edma3_tc0", .start = 0x01c10000, .end = 0x01c10000 + SZ_1K - 1, .flags = IORESOURCE_MEM, }, { .name = "edma3_tc1", .start = 0x01c10400, .end = 0x01c10400 + SZ_1K - 1, .flags = IORESOURCE_MEM, }, { .name = "edma3_tc2", .start = 0x01c10800, .end = 0x01c10800 + SZ_1K - 1, .flags = IORESOURCE_MEM, }, { .name = "edma3_tc3", .start = 0x01c10c00, .end = 0x01c10c00 + SZ_1K - 1, .flags = IORESOURCE_MEM, }, { .name = "edma3_ccint", .start = DAVINCI_INTC_IRQ(IRQ_CCINT0), .flags = IORESOURCE_IRQ, }, { .name = "edma3_ccerrint", .start = DAVINCI_INTC_IRQ(IRQ_CCERRINT), .flags = IORESOURCE_IRQ, }, /* not using TC*_ERR */ }; static const struct platform_device_info dm646x_edma_device __initconst = { .name = "edma", .id = 0, .dma_mask = DMA_BIT_MASK(32), .res = edma_resources, .num_res = ARRAY_SIZE(edma_resources), .data = &dm646x_edma_pdata, .size_data = sizeof(dm646x_edma_pdata), }; static struct resource dm646x_mcasp0_resources[] = { { .name = "mpu", .start = DAVINCI_DM646X_MCASP0_REG_BASE, .end = DAVINCI_DM646X_MCASP0_REG_BASE + (SZ_1K << 1) - 1, .flags = IORESOURCE_MEM, }, { .name = "tx", .start = DAVINCI_DM646X_DMA_MCASP0_AXEVT0, .end = DAVINCI_DM646X_DMA_MCASP0_AXEVT0, .flags = IORESOURCE_DMA, }, { .name = "rx", .start = DAVINCI_DM646X_DMA_MCASP0_AREVT0, .end = DAVINCI_DM646X_DMA_MCASP0_AREVT0, .flags = IORESOURCE_DMA, }, { .name = "tx", .start = DAVINCI_INTC_IRQ(IRQ_DM646X_MCASP0TXINT), .flags = IORESOURCE_IRQ, }, { .name = "rx", .start = DAVINCI_INTC_IRQ(IRQ_DM646X_MCASP0RXINT), .flags = IORESOURCE_IRQ, }, }; /* DIT mode only, rx is not supported */ static struct resource dm646x_mcasp1_resources[] = { { .name = "mpu", .start = DAVINCI_DM646X_MCASP1_REG_BASE, .end = DAVINCI_DM646X_MCASP1_REG_BASE + (SZ_1K << 1) - 1, .flags = IORESOURCE_MEM, }, { .name = "tx", .start = DAVINCI_DM646X_DMA_MCASP1_AXEVT1, .end = DAVINCI_DM646X_DMA_MCASP1_AXEVT1, .flags = IORESOURCE_DMA, }, { .name = "tx", .start = DAVINCI_INTC_IRQ(IRQ_DM646X_MCASP1TXINT), .flags = IORESOURCE_IRQ, }, }; static struct platform_device dm646x_mcasp0_device = { .name = "davinci-mcasp", .id = 0, .num_resources = ARRAY_SIZE(dm646x_mcasp0_resources), .resource = dm646x_mcasp0_resources, }; static struct platform_device dm646x_mcasp1_device = { .name = "davinci-mcasp", .id = 1, .num_resources = ARRAY_SIZE(dm646x_mcasp1_resources), .resource = dm646x_mcasp1_resources, }; static struct platform_device dm646x_dit_device = { .name = "spdif-dit", .id = -1, }; static u64 vpif_dma_mask = DMA_BIT_MASK(32); static struct resource vpif_resource[] = { { .start = DAVINCI_VPIF_BASE, .end = DAVINCI_VPIF_BASE + 0x03ff, .flags = IORESOURCE_MEM, } }; static struct platform_device vpif_dev = { .name = "vpif", .id = -1, .dev = { .dma_mask = &vpif_dma_mask, .coherent_dma_mask = DMA_BIT_MASK(32), }, .resource = vpif_resource, .num_resources = ARRAY_SIZE(vpif_resource), }; static struct resource vpif_display_resource[] = { { .start = DAVINCI_INTC_IRQ(IRQ_DM646X_VP_VERTINT2), .end = DAVINCI_INTC_IRQ(IRQ_DM646X_VP_VERTINT2), .flags = IORESOURCE_IRQ, }, { .start = DAVINCI_INTC_IRQ(IRQ_DM646X_VP_VERTINT3), .end = DAVINCI_INTC_IRQ(IRQ_DM646X_VP_VERTINT3), .flags = IORESOURCE_IRQ, }, }; static struct platform_device vpif_display_dev = { .name = "vpif_display", .id = -1, .dev = { .dma_mask = &vpif_dma_mask, .coherent_dma_mask = DMA_BIT_MASK(32), }, .resource = vpif_display_resource, .num_resources = ARRAY_SIZE(vpif_display_resource), }; static struct resource vpif_capture_resource[] = { { .start = DAVINCI_INTC_IRQ(IRQ_DM646X_VP_VERTINT0), .end = DAVINCI_INTC_IRQ(IRQ_DM646X_VP_VERTINT0), .flags = IORESOURCE_IRQ, }, { .start = DAVINCI_INTC_IRQ(IRQ_DM646X_VP_VERTINT1), .end = DAVINCI_INTC_IRQ(IRQ_DM646X_VP_VERTINT1), .flags = IORESOURCE_IRQ, }, }; static struct platform_device vpif_capture_dev = { .name = "vpif_capture", .id = -1, .dev = { .dma_mask = &vpif_dma_mask, .coherent_dma_mask = DMA_BIT_MASK(32), }, .resource = vpif_capture_resource, .num_resources = ARRAY_SIZE(vpif_capture_resource), }; static struct resource dm646x_gpio_resources[] = { { /* registers */ .start = DAVINCI_GPIO_BASE, .end = DAVINCI_GPIO_BASE + SZ_4K - 1, .flags = IORESOURCE_MEM, }, { /* interrupt */ .start = DAVINCI_INTC_IRQ(IRQ_DM646X_GPIOBNK0), .end = DAVINCI_INTC_IRQ(IRQ_DM646X_GPIOBNK0), .flags = IORESOURCE_IRQ, }, { .start = DAVINCI_INTC_IRQ(IRQ_DM646X_GPIOBNK1), .end = DAVINCI_INTC_IRQ(IRQ_DM646X_GPIOBNK1), .flags = IORESOURCE_IRQ, }, { .start = DAVINCI_INTC_IRQ(IRQ_DM646X_GPIOBNK2), .end = DAVINCI_INTC_IRQ(IRQ_DM646X_GPIOBNK2), .flags = IORESOURCE_IRQ, }, }; static struct davinci_gpio_platform_data dm646x_gpio_platform_data = { .no_auto_base = true, .base = 0, .ngpio = 43, }; int __init dm646x_gpio_register(void) { return davinci_gpio_register(dm646x_gpio_resources, ARRAY_SIZE(dm646x_gpio_resources), &dm646x_gpio_platform_data); } /*----------------------------------------------------------------------*/ static struct map_desc dm646x_io_desc[] = { { .virtual = IO_VIRT, .pfn = __phys_to_pfn(IO_PHYS), .length = IO_SIZE, .type = MT_DEVICE }, }; /* Contents of JTAG ID register used to identify exact cpu type */ static struct davinci_id dm646x_ids[] = { { .variant = 0x0, .part_no = 0xb770, .manufacturer = 0x017, .cpu_id = DAVINCI_CPU_ID_DM6467, .name = "dm6467_rev1.x", }, { .variant = 0x1, .part_no = 0xb770, .manufacturer = 0x017, .cpu_id = DAVINCI_CPU_ID_DM6467, .name = "dm6467_rev3.x", }, }; /* * T0_BOT: Timer 0, bottom: clockevent source for hrtimers * T0_TOP: Timer 0, top : clocksource for generic timekeeping * T1_BOT: Timer 1, bottom: (used by DSP in TI DSPLink code) * T1_TOP: Timer 1, top : */ static struct davinci_timer_info dm646x_timer_info = { .timers = davinci_timer_instance, .clockevent_id = T0_BOT, .clocksource_id = T0_TOP, }; static struct plat_serial8250_port dm646x_serial0_platform_data[] = { { .mapbase = DAVINCI_UART0_BASE, .irq = DAVINCI_INTC_IRQ(IRQ_UARTINT0), .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, .iotype = UPIO_MEM32, .regshift = 2, }, { .flags = 0, } }; static struct plat_serial8250_port dm646x_serial1_platform_data[] = { { .mapbase = DAVINCI_UART1_BASE, .irq = DAVINCI_INTC_IRQ(IRQ_UARTINT1), .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, .iotype = UPIO_MEM32, .regshift = 2, }, { .flags = 0, } }; static struct plat_serial8250_port dm646x_serial2_platform_data[] = { { .mapbase = DAVINCI_UART2_BASE, .irq = DAVINCI_INTC_IRQ(IRQ_DM646X_UARTINT2), .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, .iotype = UPIO_MEM32, .regshift = 2, }, { .flags = 0, } }; struct platform_device dm646x_serial_device[] = { { .name = "serial8250", .id = PLAT8250_DEV_PLATFORM, .dev = { .platform_data = dm646x_serial0_platform_data, } }, { .name = "serial8250", .id = PLAT8250_DEV_PLATFORM1, .dev = { .platform_data = dm646x_serial1_platform_data, } }, { .name = "serial8250", .id = PLAT8250_DEV_PLATFORM2, .dev = { .platform_data = dm646x_serial2_platform_data, } }, { } }; static const struct davinci_soc_info davinci_soc_info_dm646x = { .io_desc = dm646x_io_desc, .io_desc_num = ARRAY_SIZE(dm646x_io_desc), .jtag_id_reg = 0x01c40028, .ids = dm646x_ids, .ids_num = ARRAY_SIZE(dm646x_ids), .pinmux_base = DAVINCI_SYSTEM_MODULE_BASE, .pinmux_pins = dm646x_pins, .pinmux_pins_num = ARRAY_SIZE(dm646x_pins), .timer_info = &dm646x_timer_info, .emac_pdata = &dm646x_emac_pdata, .sram_dma = 0x10010000, .sram_len = SZ_32K, }; void __init dm646x_init_mcasp0(struct snd_platform_data *pdata) { dm646x_mcasp0_device.dev.platform_data = pdata; platform_device_register(&dm646x_mcasp0_device); } void __init dm646x_init_mcasp1(struct snd_platform_data *pdata) { dm646x_mcasp1_device.dev.platform_data = pdata; platform_device_register(&dm646x_mcasp1_device); platform_device_register(&dm646x_dit_device); } void dm646x_setup_vpif(struct vpif_display_config *display_config, struct vpif_capture_config *capture_config) { unsigned int value; value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS)); value &= ~VSCLKDIS_MASK; __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS)); value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VDD3P3VPWDN)); value &= ~VDD3P3V_VID_MASK; __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VDD3P3VPWDN)); davinci_cfg_reg(DM646X_STSOMUX_DISABLE); davinci_cfg_reg(DM646X_STSIMUX_DISABLE); davinci_cfg_reg(DM646X_PTSOMUX_DISABLE); davinci_cfg_reg(DM646X_PTSIMUX_DISABLE); vpif_display_dev.dev.platform_data = display_config; vpif_capture_dev.dev.platform_data = capture_config; platform_device_register(&vpif_dev); platform_device_register(&vpif_display_dev); platform_device_register(&vpif_capture_dev); } int __init dm646x_init_edma(struct edma_rsv_info *rsv) { struct platform_device *edma_pdev; dm646x_edma_pdata.rsv = rsv; edma_pdev = platform_device_register_full(&dm646x_edma_device); return PTR_ERR_OR_ZERO(edma_pdev); } void __init dm646x_init(void) { davinci_common_init(&davinci_soc_info_dm646x); davinci_map_sysmod(); } void __init dm646x_init_time(unsigned long ref_clk_rate, unsigned long aux_clkin_rate) { void __iomem *pll1, *psc; struct clk *clk; clk_register_fixed_rate(NULL, "ref_clk", NULL, 0, ref_clk_rate); clk_register_fixed_rate(NULL, "aux_clkin", NULL, 0, aux_clkin_rate); pll1 = ioremap(DAVINCI_PLL1_BASE, SZ_1K); dm646x_pll1_init(NULL, pll1, NULL); psc = ioremap(DAVINCI_PWR_SLEEP_CNTRL_BASE, SZ_4K); dm646x_psc_init(NULL, psc); clk = clk_get(NULL, "timer0"); davinci_timer_init(clk); } static struct resource dm646x_pll2_resources[] = { { .start = DAVINCI_PLL2_BASE, .end = DAVINCI_PLL2_BASE + SZ_1K - 1, .flags = IORESOURCE_MEM, }, }; static struct platform_device dm646x_pll2_device = { .name = "dm646x-pll2", .id = -1, .resource = dm646x_pll2_resources, .num_resources = ARRAY_SIZE(dm646x_pll2_resources), }; void __init dm646x_register_clocks(void) { /* PLL1 and PSC are registered in dm646x_init_time() */ platform_device_register(&dm646x_pll2_device); } static const struct davinci_aintc_config dm646x_aintc_config = { .reg = { .start = DAVINCI_ARM_INTC_BASE, .end = DAVINCI_ARM_INTC_BASE + SZ_4K - 1, .flags = IORESOURCE_MEM, }, .num_irqs = 64, .prios = dm646x_default_priorities, }; void __init dm646x_init_irq(void) { davinci_aintc_init(&dm646x_aintc_config); } static int __init dm646x_init_devices(void) { int ret = 0; if (!cpu_is_davinci_dm646x()) return 0; platform_device_register(&dm646x_mdio_device); platform_device_register(&dm646x_emac_device); ret = davinci_init_wdt(); if (ret) pr_warn("%s: watchdog init failed: %d\n", __func__, ret); return ret; } postcore_initcall(dm646x_init_devices);