--- zzzz-none-000/linux-3.10.107/arch/arm/mach-davinci/dm646x.c 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/arch/arm/mach-davinci/dm646x.c 2021-02-04 17:41:59.000000000 +0000 @@ -13,18 +13,18 @@ #include #include #include +#include +#include #include #include -#include #include #include #include #include #include #include -#include #include "davinci.h" #include "clock.h" @@ -342,20 +342,21 @@ CLK(NULL, "edma_tc1", &edma_tc1_clk), CLK(NULL, "edma_tc2", &edma_tc2_clk), CLK(NULL, "edma_tc3", &edma_tc3_clk), - CLK(NULL, "uart0", &uart0_clk), - CLK(NULL, "uart1", &uart1_clk), - CLK(NULL, "uart2", &uart2_clk), + CLK("serial8250.0", NULL, &uart0_clk), + CLK("serial8250.1", NULL, &uart1_clk), + CLK("serial8250.2", NULL, &uart2_clk), CLK("i2c_davinci.1", NULL, &i2c_clk), CLK(NULL, "gpio", &gpio_clk), CLK("davinci-mcasp.0", NULL, &mcasp0_clk), CLK("davinci-mcasp.1", NULL, &mcasp1_clk), CLK(NULL, "aemif", &aemif_clk), CLK("davinci_emac.1", NULL, &emac_clk), + CLK("davinci_mdio.0", "fck", &emac_clk), CLK(NULL, "pwm0", &pwm0_clk), CLK(NULL, "pwm1", &pwm1_clk), CLK(NULL, "timer0", &timer0_clk), CLK(NULL, "timer1", &timer1_clk), - CLK("watchdog", NULL, &timer2_clk), + CLK("davinci-wdt", NULL, &timer2_clk), CLK("palm_bk3710", NULL, &ide_clk), CLK(NULL, "vpif0", &vpif0_clk), CLK(NULL, "vpif1", &vpif1_clk), @@ -492,7 +493,6 @@ [IRQ_DM646X_EMACMISCINT] = 7, [IRQ_DM646X_MCASP0TXINT] = 7, [IRQ_DM646X_MCASP0RXINT] = 7, - [IRQ_AEMIFINT] = 7, [IRQ_DM646X_RESERVED_3] = 7, [IRQ_DM646X_MCASP1TXINT] = 7, /* clockevent */ [IRQ_TINT0_TINT34] = 7, /* clocksource */ @@ -531,18 +531,7 @@ /*----------------------------------------------------------------------*/ /* Four Transfer Controllers on DM646x */ -static const s8 -dm646x_queue_tc_mapping[][2] = { - /* {event queue no, TC no} */ - {0, 0}, - {1, 1}, - {2, 2}, - {3, 3}, - {-1, -1}, -}; - -static const s8 -dm646x_queue_priority_mapping[][2] = { +static s8 dm646x_queue_priority_mapping[][2] = { /* {event queue no, Priority} */ {0, 4}, {1, 0}, @@ -551,111 +540,114 @@ {-1, -1}, }; -static struct edma_soc_info edma_cc0_info = { - .n_channel = 64, - .n_region = 6, /* 0-1, 4-7 */ - .n_slot = 512, - .n_tc = 4, - .n_cc = 1, - .queue_tc_mapping = dm646x_queue_tc_mapping, +static struct edma_soc_info dm646x_edma_pdata = { .queue_priority_mapping = dm646x_queue_priority_mapping, .default_queue = EVENTQ_1, }; -static struct edma_soc_info *dm646x_edma_info[EDMA_MAX_CC] = { - &edma_cc0_info, -}; - static struct resource edma_resources[] = { { - .name = "edma_cc0", + .name = "edma3_cc", .start = 0x01c00000, .end = 0x01c00000 + SZ_64K - 1, .flags = IORESOURCE_MEM, }, { - .name = "edma_tc0", + .name = "edma3_tc0", .start = 0x01c10000, .end = 0x01c10000 + SZ_1K - 1, .flags = IORESOURCE_MEM, }, { - .name = "edma_tc1", + .name = "edma3_tc1", .start = 0x01c10400, .end = 0x01c10400 + SZ_1K - 1, .flags = IORESOURCE_MEM, }, { - .name = "edma_tc2", + .name = "edma3_tc2", .start = 0x01c10800, .end = 0x01c10800 + SZ_1K - 1, .flags = IORESOURCE_MEM, }, { - .name = "edma_tc3", + .name = "edma3_tc3", .start = 0x01c10c00, .end = 0x01c10c00 + SZ_1K - 1, .flags = IORESOURCE_MEM, }, { - .name = "edma0", + .name = "edma3_ccint", .start = IRQ_CCINT0, .flags = IORESOURCE_IRQ, }, { - .name = "edma0_err", + .name = "edma3_ccerrint", .start = IRQ_CCERRINT, .flags = IORESOURCE_IRQ, }, /* not using TC*_ERR */ }; -static struct platform_device dm646x_edma_device = { - .name = "edma", - .id = 0, - .dev.platform_data = dm646x_edma_info, - .num_resources = ARRAY_SIZE(edma_resources), - .resource = edma_resources, +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 = "mcasp0", + .name = "mpu", .start = DAVINCI_DM646X_MCASP0_REG_BASE, .end = DAVINCI_DM646X_MCASP0_REG_BASE + (SZ_1K << 1) - 1, .flags = IORESOURCE_MEM, }, - /* first TX, then RX */ { + .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 = IRQ_DM646X_MCASP0TXINT, + .flags = IORESOURCE_IRQ, + }, + { + .name = "rx", + .start = IRQ_DM646X_MCASP0RXINT, + .flags = IORESOURCE_IRQ, + }, }; +/* DIT mode only, rx is not supported */ static struct resource dm646x_mcasp1_resources[] = { { - .name = "mcasp1", + .name = "mpu", .start = DAVINCI_DM646X_MCASP1_REG_BASE, .end = DAVINCI_DM646X_MCASP1_REG_BASE + (SZ_1K << 1) - 1, .flags = IORESOURCE_MEM, }, - /* DIT mode, only TX event */ { + .name = "tx", .start = DAVINCI_DM646X_DMA_MCASP1_AXEVT1, .end = DAVINCI_DM646X_DMA_MCASP1_AXEVT1, .flags = IORESOURCE_DMA, }, - /* DIT mode, dummy entry */ { - .start = -1, - .end = -1, - .flags = IORESOURCE_DMA, + .name = "tx", + .start = IRQ_DM646X_MCASP1TXINT, + .flags = IORESOURCE_IRQ, }, }; @@ -747,6 +739,29 @@ .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 = IRQ_DM646X_GPIOBNK0, + .end = IRQ_DM646X_GPIOBNK2, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct davinci_gpio_platform_data dm646x_gpio_platform_data = { + .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[] = { @@ -790,7 +805,7 @@ .clocksource_id = T0_TOP, }; -static struct plat_serial8250_port dm646x_serial_platform_data[] = { +static struct plat_serial8250_port dm646x_serial0_platform_data[] = { { .mapbase = DAVINCI_UART0_BASE, .irq = IRQ_UARTINT0, @@ -800,6 +815,11 @@ .regshift = 2, }, { + .flags = 0, + } +}; +static struct plat_serial8250_port dm646x_serial1_platform_data[] = { + { .mapbase = DAVINCI_UART1_BASE, .irq = IRQ_UARTINT1, .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | @@ -808,6 +828,11 @@ .regshift = 2, }, { + .flags = 0, + } +}; +static struct plat_serial8250_port dm646x_serial2_platform_data[] = { + { .mapbase = DAVINCI_UART2_BASE, .irq = IRQ_DM646X_UARTINT2, .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | @@ -816,16 +841,34 @@ .regshift = 2, }, { - .flags = 0 - }, + .flags = 0, + } }; -static struct platform_device dm646x_serial_device = { - .name = "serial8250", - .id = PLAT8250_DEV_PLATFORM, - .dev = { - .platform_data = dm646x_serial_platform_data, +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 struct davinci_soc_info davinci_soc_info_dm646x = { @@ -845,11 +888,6 @@ .intc_irq_prios = dm646x_default_priorities, .intc_irq_num = DAVINCI_N_AINTC_IRQ, .timer_info = &dm646x_timer_info, - .gpio_type = GPIO_TYPE_DAVINCI, - .gpio_base = DAVINCI_GPIO_BASE, - .gpio_num = 43, /* Only 33 usable */ - .gpio_irq = IRQ_DM646X_GPIOBNK0, - .serial_dev = &dm646x_serial_device, .emac_pdata = &dm646x_emac_pdata, .sram_dma = 0x10010000, .sram_len = SZ_32K, @@ -895,9 +933,12 @@ int __init dm646x_init_edma(struct edma_rsv_info *rsv) { - edma_cc0_info.rsv = rsv; + struct platform_device *edma_pdev; + + dm646x_edma_pdata.rsv = rsv; - return platform_device_register(&dm646x_edma_device); + edma_pdev = platform_device_register_full(&dm646x_edma_device); + return IS_ERR(edma_pdev) ? PTR_ERR(edma_pdev) : 0; } void __init dm646x_init(void) @@ -908,14 +949,18 @@ 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); - clk_add_alias(NULL, dev_name(&dm646x_mdio_device.dev), - NULL, &dm646x_emac_device.dev); - return 0; + ret = davinci_init_wdt(); + if (ret) + pr_warn("%s: watchdog init failed: %d\n", __func__, ret); + + return ret; } postcore_initcall(dm646x_init_devices);