/* * 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 "asp.h" #include "davinci.h" #include "mux.h" /* * Device specific clocks */ #define DM644X_REF_FREQ 27000000 #define DM644X_EMAC_BASE 0x01c80000 #define DM644X_EMAC_MDIO_BASE (DM644X_EMAC_BASE + 0x4000) #define DM644X_EMAC_CNTRL_OFFSET 0x0000 #define DM644X_EMAC_CNTRL_MOD_OFFSET 0x1000 #define DM644X_EMAC_CNTRL_RAM_OFFSET 0x2000 #define DM644X_EMAC_CNTRL_RAM_SIZE 0x2000 static struct emac_platform_data dm644x_emac_pdata = { .ctrl_reg_offset = DM644X_EMAC_CNTRL_OFFSET, .ctrl_mod_reg_offset = DM644X_EMAC_CNTRL_MOD_OFFSET, .ctrl_ram_offset = DM644X_EMAC_CNTRL_RAM_OFFSET, .ctrl_ram_size = DM644X_EMAC_CNTRL_RAM_SIZE, .version = EMAC_VERSION_1, }; static struct resource dm644x_emac_resources[] = { { .start = DM644X_EMAC_BASE, .end = DM644X_EMAC_BASE + SZ_16K - 1, .flags = IORESOURCE_MEM, }, { .start = DAVINCI_INTC_IRQ(IRQ_EMACINT), .end = DAVINCI_INTC_IRQ(IRQ_EMACINT), .flags = IORESOURCE_IRQ, }, }; static struct platform_device dm644x_emac_device = { .name = "davinci_emac", .id = 1, .dev = { .platform_data = &dm644x_emac_pdata, }, .num_resources = ARRAY_SIZE(dm644x_emac_resources), .resource = dm644x_emac_resources, }; static struct resource dm644x_mdio_resources[] = { { .start = DM644X_EMAC_MDIO_BASE, .end = DM644X_EMAC_MDIO_BASE + SZ_4K - 1, .flags = IORESOURCE_MEM, }, }; static struct platform_device dm644x_mdio_device = { .name = "davinci_mdio", .id = 0, .num_resources = ARRAY_SIZE(dm644x_mdio_resources), .resource = dm644x_mdio_resources, }; /* * Device specific mux setup * * soc description mux mode mode mux dbg * reg offset mask mode */ static const struct mux_config dm644x_pins[] = { #ifdef CONFIG_DAVINCI_MUX MUX_CFG(DM644X, HDIREN, 0, 16, 1, 1, true) MUX_CFG(DM644X, ATAEN, 0, 17, 1, 1, true) MUX_CFG(DM644X, ATAEN_DISABLE, 0, 17, 1, 0, true) MUX_CFG(DM644X, HPIEN_DISABLE, 0, 29, 1, 0, true) MUX_CFG(DM644X, AEAW, 0, 0, 31, 31, true) MUX_CFG(DM644X, AEAW0, 0, 0, 1, 0, true) MUX_CFG(DM644X, AEAW1, 0, 1, 1, 0, true) MUX_CFG(DM644X, AEAW2, 0, 2, 1, 0, true) MUX_CFG(DM644X, AEAW3, 0, 3, 1, 0, true) MUX_CFG(DM644X, AEAW4, 0, 4, 1, 0, true) MUX_CFG(DM644X, MSTK, 1, 9, 1, 0, false) MUX_CFG(DM644X, I2C, 1, 7, 1, 1, false) MUX_CFG(DM644X, MCBSP, 1, 10, 1, 1, false) MUX_CFG(DM644X, UART1, 1, 1, 1, 1, true) MUX_CFG(DM644X, UART2, 1, 2, 1, 1, true) MUX_CFG(DM644X, PWM0, 1, 4, 1, 1, false) MUX_CFG(DM644X, PWM1, 1, 5, 1, 1, false) MUX_CFG(DM644X, PWM2, 1, 6, 1, 1, false) MUX_CFG(DM644X, VLYNQEN, 0, 15, 1, 1, false) MUX_CFG(DM644X, VLSCREN, 0, 14, 1, 1, false) MUX_CFG(DM644X, VLYNQWD, 0, 12, 3, 3, false) MUX_CFG(DM644X, EMACEN, 0, 31, 1, 1, true) MUX_CFG(DM644X, GPIO3V, 0, 31, 1, 0, true) MUX_CFG(DM644X, GPIO0, 0, 24, 1, 0, true) MUX_CFG(DM644X, GPIO3, 0, 25, 1, 0, false) MUX_CFG(DM644X, GPIO43_44, 1, 7, 1, 0, false) MUX_CFG(DM644X, GPIO46_47, 0, 22, 1, 0, true) MUX_CFG(DM644X, RGB666, 0, 22, 1, 1, true) MUX_CFG(DM644X, LOEEN, 0, 24, 1, 1, true) MUX_CFG(DM644X, LFLDEN, 0, 25, 1, 1, false) #endif }; /* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */ static u8 dm644x_default_priorities[DAVINCI_N_AINTC_IRQ] = { [IRQ_VDINT0] = 2, [IRQ_VDINT1] = 6, [IRQ_VDINT2] = 6, [IRQ_HISTINT] = 6, [IRQ_H3AINT] = 6, [IRQ_PRVUINT] = 6, [IRQ_RSZINT] = 6, [7] = 7, [IRQ_VENCINT] = 6, [IRQ_ASQINT] = 6, [IRQ_IMXINT] = 6, [IRQ_VLCDINT] = 6, [IRQ_USBINT] = 4, [IRQ_EMACINT] = 4, [14] = 7, [15] = 7, [IRQ_CCINT0] = 5, /* dma */ [IRQ_CCERRINT] = 5, /* dma */ [IRQ_TCERRINT0] = 5, /* dma */ [IRQ_TCERRINT] = 5, /* dma */ [IRQ_PSCIN] = 7, [21] = 7, [IRQ_IDE] = 4, [23] = 7, [IRQ_MBXINT] = 7, [IRQ_MBRINT] = 7, [IRQ_MMCINT] = 7, [IRQ_SDIOINT] = 7, [28] = 7, [IRQ_DDRINT] = 7, [IRQ_AEMIFINT] = 7, [IRQ_VLQINT] = 4, [IRQ_TINT0_TINT12] = 2, /* clockevent */ [IRQ_TINT0_TINT34] = 2, /* clocksource */ [IRQ_TINT1_TINT12] = 7, /* DSP timer */ [IRQ_TINT1_TINT34] = 7, /* system tick */ [IRQ_PWMINT0] = 7, [IRQ_PWMINT1] = 7, [IRQ_PWMINT2] = 7, [IRQ_I2C] = 3, [IRQ_UARTINT0] = 3, [IRQ_UARTINT1] = 3, [IRQ_UARTINT2] = 3, [IRQ_SPINT0] = 3, [IRQ_SPINT1] = 3, [45] = 7, [IRQ_DSP2ARM0] = 4, [IRQ_DSP2ARM1] = 4, [IRQ_GPIO0] = 7, [IRQ_GPIO1] = 7, [IRQ_GPIO2] = 7, [IRQ_GPIO3] = 7, [IRQ_GPIO4] = 7, [IRQ_GPIO5] = 7, [IRQ_GPIO6] = 7, [IRQ_GPIO7] = 7, [IRQ_GPIOBNK0] = 7, [IRQ_GPIOBNK1] = 7, [IRQ_GPIOBNK2] = 7, [IRQ_GPIOBNK3] = 7, [IRQ_GPIOBNK4] = 7, [IRQ_COMMTX] = 7, [IRQ_COMMRX] = 7, [IRQ_EMUINT] = 7, }; /*----------------------------------------------------------------------*/ static s8 queue_priority_mapping[][2] = { /* {event queue no, Priority} */ {0, 3}, {1, 7}, {-1, -1}, }; static const struct dma_slave_map dm644x_edma_map[] = { { "davinci-mcbsp", "tx", EDMA_FILTER_PARAM(0, 2) }, { "davinci-mcbsp", "rx", EDMA_FILTER_PARAM(0, 3) }, { "spi_davinci", "tx", EDMA_FILTER_PARAM(0, 16) }, { "spi_davinci", "rx", EDMA_FILTER_PARAM(0, 17) }, { "dm6441-mmc.0", "rx", EDMA_FILTER_PARAM(0, 26) }, { "dm6441-mmc.0", "tx", EDMA_FILTER_PARAM(0, 27) }, }; static struct edma_soc_info dm644x_edma_pdata = { .queue_priority_mapping = queue_priority_mapping, .default_queue = EVENTQ_1, .slave_map = dm644x_edma_map, .slavecnt = ARRAY_SIZE(dm644x_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_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 dm644x_edma_device __initconst = { .name = "edma", .id = 0, .dma_mask = DMA_BIT_MASK(32), .res = edma_resources, .num_res = ARRAY_SIZE(edma_resources), .data = &dm644x_edma_pdata, .size_data = sizeof(dm644x_edma_pdata), }; /* DM6446 EVM uses ASP0; line-out is a pair of RCA jacks */ static struct resource dm644x_asp_resources[] = { { .name = "mpu", .start = DAVINCI_ASP0_BASE, .end = DAVINCI_ASP0_BASE + SZ_8K - 1, .flags = IORESOURCE_MEM, }, { .start = DAVINCI_DMA_ASP0_TX, .end = DAVINCI_DMA_ASP0_TX, .flags = IORESOURCE_DMA, }, { .start = DAVINCI_DMA_ASP0_RX, .end = DAVINCI_DMA_ASP0_RX, .flags = IORESOURCE_DMA, }, }; static struct platform_device dm644x_asp_device = { .name = "davinci-mcbsp", .id = -1, .num_resources = ARRAY_SIZE(dm644x_asp_resources), .resource = dm644x_asp_resources, }; #define DM644X_VPSS_BASE 0x01c73400 static struct resource dm644x_vpss_resources[] = { { /* VPSS Base address */ .name = "vpss", .start = DM644X_VPSS_BASE, .end = DM644X_VPSS_BASE + 0xff, .flags = IORESOURCE_MEM, }, }; static struct platform_device dm644x_vpss_device = { .name = "vpss", .id = -1, .dev.platform_data = "dm644x_vpss", .num_resources = ARRAY_SIZE(dm644x_vpss_resources), .resource = dm644x_vpss_resources, }; static struct resource dm644x_vpfe_resources[] = { { .start = DAVINCI_INTC_IRQ(IRQ_VDINT0), .end = DAVINCI_INTC_IRQ(IRQ_VDINT0), .flags = IORESOURCE_IRQ, }, { .start = DAVINCI_INTC_IRQ(IRQ_VDINT1), .end = DAVINCI_INTC_IRQ(IRQ_VDINT1), .flags = IORESOURCE_IRQ, }, }; static u64 dm644x_video_dma_mask = DMA_BIT_MASK(32); static struct resource dm644x_ccdc_resource[] = { /* CCDC Base address */ { .start = 0x01c70400, .end = 0x01c70400 + 0xff, .flags = IORESOURCE_MEM, }, }; static struct platform_device dm644x_ccdc_dev = { .name = "dm644x_ccdc", .id = -1, .num_resources = ARRAY_SIZE(dm644x_ccdc_resource), .resource = dm644x_ccdc_resource, .dev = { .dma_mask = &dm644x_video_dma_mask, .coherent_dma_mask = DMA_BIT_MASK(32), }, }; static struct platform_device dm644x_vpfe_dev = { .name = CAPTURE_DRV_NAME, .id = -1, .num_resources = ARRAY_SIZE(dm644x_vpfe_resources), .resource = dm644x_vpfe_resources, .dev = { .dma_mask = &dm644x_video_dma_mask, .coherent_dma_mask = DMA_BIT_MASK(32), }, }; #define DM644X_OSD_BASE 0x01c72600 static struct resource dm644x_osd_resources[] = { { .start = DM644X_OSD_BASE, .end = DM644X_OSD_BASE + 0x1ff, .flags = IORESOURCE_MEM, }, }; static struct platform_device dm644x_osd_dev = { .name = DM644X_VPBE_OSD_SUBDEV_NAME, .id = -1, .num_resources = ARRAY_SIZE(dm644x_osd_resources), .resource = dm644x_osd_resources, .dev = { .dma_mask = &dm644x_video_dma_mask, .coherent_dma_mask = DMA_BIT_MASK(32), }, }; #define DM644X_VENC_BASE 0x01c72400 static struct resource dm644x_venc_resources[] = { { .start = DM644X_VENC_BASE, .end = DM644X_VENC_BASE + 0x17f, .flags = IORESOURCE_MEM, }, }; #define DM644X_VPSS_MUXSEL_PLL2_MODE BIT(0) #define DM644X_VPSS_MUXSEL_VPBECLK_MODE BIT(1) #define DM644X_VPSS_VENCLKEN BIT(3) #define DM644X_VPSS_DACCLKEN BIT(4) static int dm644x_venc_setup_clock(enum vpbe_enc_timings_type type, unsigned int pclock) { int ret = 0; u32 v = DM644X_VPSS_VENCLKEN; switch (type) { case VPBE_ENC_STD: v |= DM644X_VPSS_DACCLKEN; writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL)); break; case VPBE_ENC_DV_TIMINGS: if (pclock <= 27000000) { v |= DM644X_VPSS_DACCLKEN; writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL)); } else { /* * For HD, use external clock source since * HD requires higher clock rate */ v |= DM644X_VPSS_MUXSEL_VPBECLK_MODE; writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL)); } break; default: ret = -EINVAL; } return ret; } static struct resource dm644x_v4l2_disp_resources[] = { { .start = DAVINCI_INTC_IRQ(IRQ_VENCINT), .end = DAVINCI_INTC_IRQ(IRQ_VENCINT), .flags = IORESOURCE_IRQ, }, }; static struct platform_device dm644x_vpbe_display = { .name = "vpbe-v4l2", .id = -1, .num_resources = ARRAY_SIZE(dm644x_v4l2_disp_resources), .resource = dm644x_v4l2_disp_resources, .dev = { .dma_mask = &dm644x_video_dma_mask, .coherent_dma_mask = DMA_BIT_MASK(32), }, }; static struct venc_platform_data dm644x_venc_pdata = { .setup_clock = dm644x_venc_setup_clock, }; static struct platform_device dm644x_venc_dev = { .name = DM644X_VPBE_VENC_SUBDEV_NAME, .id = -1, .num_resources = ARRAY_SIZE(dm644x_venc_resources), .resource = dm644x_venc_resources, .dev = { .dma_mask = &dm644x_video_dma_mask, .coherent_dma_mask = DMA_BIT_MASK(32), .platform_data = &dm644x_venc_pdata, }, }; static struct platform_device dm644x_vpbe_dev = { .name = "vpbe_controller", .id = -1, .dev = { .dma_mask = &dm644x_video_dma_mask, .coherent_dma_mask = DMA_BIT_MASK(32), }, }; static struct resource dm644_gpio_resources[] = { { /* registers */ .start = DAVINCI_GPIO_BASE, .end = DAVINCI_GPIO_BASE + SZ_4K - 1, .flags = IORESOURCE_MEM, }, { /* interrupt */ .start = DAVINCI_INTC_IRQ(IRQ_GPIOBNK0), .end = DAVINCI_INTC_IRQ(IRQ_GPIOBNK0), .flags = IORESOURCE_IRQ, }, { .start = DAVINCI_INTC_IRQ(IRQ_GPIOBNK1), .end = DAVINCI_INTC_IRQ(IRQ_GPIOBNK1), .flags = IORESOURCE_IRQ, }, { .start = DAVINCI_INTC_IRQ(IRQ_GPIOBNK2), .end = DAVINCI_INTC_IRQ(IRQ_GPIOBNK2), .flags = IORESOURCE_IRQ, }, { .start = DAVINCI_INTC_IRQ(IRQ_GPIOBNK3), .end = DAVINCI_INTC_IRQ(IRQ_GPIOBNK3), .flags = IORESOURCE_IRQ, }, { .start = DAVINCI_INTC_IRQ(IRQ_GPIOBNK4), .end = DAVINCI_INTC_IRQ(IRQ_GPIOBNK4), .flags = IORESOURCE_IRQ, }, }; static struct davinci_gpio_platform_data dm644_gpio_platform_data = { .no_auto_base = true, .base = 0, .ngpio = 71, }; int __init dm644x_gpio_register(void) { return davinci_gpio_register(dm644_gpio_resources, ARRAY_SIZE(dm644_gpio_resources), &dm644_gpio_platform_data); } /*----------------------------------------------------------------------*/ static struct map_desc dm644x_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 dm644x_ids[] = { { .variant = 0x0, .part_no = 0xb700, .manufacturer = 0x017, .cpu_id = DAVINCI_CPU_ID_DM6446, .name = "dm6446", }, { .variant = 0x1, .part_no = 0xb700, .manufacturer = 0x017, .cpu_id = DAVINCI_CPU_ID_DM6446, .name = "dm6446a", }, }; /* * 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 dm644x_timer_info = { .timers = davinci_timer_instance, .clockevent_id = T0_BOT, .clocksource_id = T0_TOP, }; static struct plat_serial8250_port dm644x_serial0_platform_data[] = { { .mapbase = DAVINCI_UART0_BASE, .irq = DAVINCI_INTC_IRQ(IRQ_UARTINT0), .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, .iotype = UPIO_MEM, .regshift = 2, }, { .flags = 0, } }; static struct plat_serial8250_port dm644x_serial1_platform_data[] = { { .mapbase = DAVINCI_UART1_BASE, .irq = DAVINCI_INTC_IRQ(IRQ_UARTINT1), .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, .iotype = UPIO_MEM, .regshift = 2, }, { .flags = 0, } }; static struct plat_serial8250_port dm644x_serial2_platform_data[] = { { .mapbase = DAVINCI_UART2_BASE, .irq = DAVINCI_INTC_IRQ(IRQ_UARTINT2), .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, .iotype = UPIO_MEM, .regshift = 2, }, { .flags = 0, } }; struct platform_device dm644x_serial_device[] = { { .name = "serial8250", .id = PLAT8250_DEV_PLATFORM, .dev = { .platform_data = dm644x_serial0_platform_data, } }, { .name = "serial8250", .id = PLAT8250_DEV_PLATFORM1, .dev = { .platform_data = dm644x_serial1_platform_data, } }, { .name = "serial8250", .id = PLAT8250_DEV_PLATFORM2, .dev = { .platform_data = dm644x_serial2_platform_data, } }, { } }; static const struct davinci_soc_info davinci_soc_info_dm644x = { .io_desc = dm644x_io_desc, .io_desc_num = ARRAY_SIZE(dm644x_io_desc), .jtag_id_reg = 0x01c40028, .ids = dm644x_ids, .ids_num = ARRAY_SIZE(dm644x_ids), .pinmux_base = DAVINCI_SYSTEM_MODULE_BASE, .pinmux_pins = dm644x_pins, .pinmux_pins_num = ARRAY_SIZE(dm644x_pins), .intc_base = DAVINCI_ARM_INTC_BASE, .intc_irq_prios = dm644x_default_priorities, .intc_irq_num = DAVINCI_N_AINTC_IRQ, .timer_info = &dm644x_timer_info, .emac_pdata = &dm644x_emac_pdata, .sram_dma = 0x00008000, .sram_len = SZ_16K, }; void __init dm644x_init_asp(void) { davinci_cfg_reg(DM644X_MCBSP); platform_device_register(&dm644x_asp_device); } void __init dm644x_init(void) { davinci_common_init(&davinci_soc_info_dm644x); davinci_map_sysmod(); } void __init dm644x_init_time(void) { void __iomem *pll1, *psc; struct clk *clk; clk_register_fixed_rate(NULL, "ref_clk", NULL, 0, DM644X_REF_FREQ); pll1 = ioremap(DAVINCI_PLL1_BASE, SZ_1K); dm644x_pll1_init(NULL, pll1, NULL); psc = ioremap(DAVINCI_PWR_SLEEP_CNTRL_BASE, SZ_4K); dm644x_psc_init(NULL, psc); clk = clk_get(NULL, "timer0"); davinci_timer_init(clk); } static struct resource dm644x_pll2_resources[] = { { .start = DAVINCI_PLL2_BASE, .end = DAVINCI_PLL2_BASE + SZ_1K - 1, .flags = IORESOURCE_MEM, }, }; static struct platform_device dm644x_pll2_device = { .name = "dm644x-pll2", .id = -1, .resource = dm644x_pll2_resources, .num_resources = ARRAY_SIZE(dm644x_pll2_resources), }; void __init dm644x_register_clocks(void) { /* PLL1 and PSC are registered in dm644x_init_time() */ platform_device_register(&dm644x_pll2_device); } int __init dm644x_init_video(struct vpfe_config *vpfe_cfg, struct vpbe_config *vpbe_cfg) { if (vpfe_cfg || vpbe_cfg) platform_device_register(&dm644x_vpss_device); if (vpfe_cfg) { dm644x_vpfe_dev.dev.platform_data = vpfe_cfg; platform_device_register(&dm644x_ccdc_dev); platform_device_register(&dm644x_vpfe_dev); } if (vpbe_cfg) { dm644x_vpbe_dev.dev.platform_data = vpbe_cfg; platform_device_register(&dm644x_osd_dev); platform_device_register(&dm644x_venc_dev); platform_device_register(&dm644x_vpbe_dev); platform_device_register(&dm644x_vpbe_display); } return 0; } void __init dm644x_init_devices(void) { struct platform_device *edma_pdev; int ret; edma_pdev = platform_device_register_full(&dm644x_edma_device); if (IS_ERR(edma_pdev)) pr_warn("%s: Failed to register eDMA\n", __func__); platform_device_register(&dm644x_mdio_device); platform_device_register(&dm644x_emac_device); ret = davinci_init_wdt(); if (ret) pr_warn("%s: watchdog init failed: %d\n", __func__, ret); }