/* * 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 "clock.h" #include "mux.h" /* * Device specific clocks */ #define DM644X_REF_FREQ 27000000 static struct pll_data pll1_data = { .num = 1, .phys_base = DAVINCI_PLL1_BASE, }; static struct pll_data pll2_data = { .num = 2, .phys_base = DAVINCI_PLL2_BASE, }; static struct clk ref_clk = { .name = "ref_clk", .rate = DM644X_REF_FREQ, }; static struct clk pll1_clk = { .name = "pll1", .parent = &ref_clk, .pll_data = &pll1_data, .flags = CLK_PLL, }; static struct clk pll1_sysclk1 = { .name = "pll1_sysclk1", .parent = &pll1_clk, .flags = CLK_PLL, .div_reg = PLLDIV1, }; static struct clk pll1_sysclk2 = { .name = "pll1_sysclk2", .parent = &pll1_clk, .flags = CLK_PLL, .div_reg = PLLDIV2, }; static struct clk pll1_sysclk3 = { .name = "pll1_sysclk3", .parent = &pll1_clk, .flags = CLK_PLL, .div_reg = PLLDIV3, }; static struct clk pll1_sysclk5 = { .name = "pll1_sysclk5", .parent = &pll1_clk, .flags = CLK_PLL, .div_reg = PLLDIV5, }; static struct clk pll1_aux_clk = { .name = "pll1_aux_clk", .parent = &pll1_clk, .flags = CLK_PLL | PRE_PLL, }; static struct clk pll1_sysclkbp = { .name = "pll1_sysclkbp", .parent = &pll1_clk, .flags = CLK_PLL | PRE_PLL, .div_reg = BPDIV }; static struct clk pll2_clk = { .name = "pll2", .parent = &ref_clk, .pll_data = &pll2_data, .flags = CLK_PLL, }; static struct clk pll2_sysclk1 = { .name = "pll2_sysclk1", .parent = &pll2_clk, .flags = CLK_PLL, .div_reg = PLLDIV1, }; static struct clk pll2_sysclk2 = { .name = "pll2_sysclk2", .parent = &pll2_clk, .flags = CLK_PLL, .div_reg = PLLDIV2, }; static struct clk pll2_sysclkbp = { .name = "pll2_sysclkbp", .parent = &pll2_clk, .flags = CLK_PLL | PRE_PLL, .div_reg = BPDIV }; static struct clk dsp_clk = { .name = "dsp", .parent = &pll1_sysclk1, .lpsc = DAVINCI_LPSC_GEM, .flags = PSC_DSP, .usecount = 1, /* REVISIT how to disable? */ }; static struct clk arm_clk = { .name = "arm", .parent = &pll1_sysclk2, .lpsc = DAVINCI_LPSC_ARM, .flags = ALWAYS_ENABLED, }; static struct clk vicp_clk = { .name = "vicp", .parent = &pll1_sysclk2, .lpsc = DAVINCI_LPSC_IMCOP, .flags = PSC_DSP, .usecount = 1, /* REVISIT how to disable? */ }; static struct clk vpss_master_clk = { .name = "vpss_master", .parent = &pll1_sysclk3, .lpsc = DAVINCI_LPSC_VPSSMSTR, .flags = CLK_PSC, }; static struct clk vpss_slave_clk = { .name = "vpss_slave", .parent = &pll1_sysclk3, .lpsc = DAVINCI_LPSC_VPSSSLV, }; static struct clk uart0_clk = { .name = "uart0", .parent = &pll1_aux_clk, .lpsc = DAVINCI_LPSC_UART0, }; static struct clk uart1_clk = { .name = "uart1", .parent = &pll1_aux_clk, .lpsc = DAVINCI_LPSC_UART1, }; static struct clk uart2_clk = { .name = "uart2", .parent = &pll1_aux_clk, .lpsc = DAVINCI_LPSC_UART2, }; static struct clk emac_clk = { .name = "emac", .parent = &pll1_sysclk5, .lpsc = DAVINCI_LPSC_EMAC_WRAPPER, }; static struct clk i2c_clk = { .name = "i2c", .parent = &pll1_aux_clk, .lpsc = DAVINCI_LPSC_I2C, }; static struct clk ide_clk = { .name = "ide", .parent = &pll1_sysclk5, .lpsc = DAVINCI_LPSC_ATA, }; static struct clk asp_clk = { .name = "asp0", .parent = &pll1_sysclk5, .lpsc = DAVINCI_LPSC_McBSP, }; static struct clk mmcsd_clk = { .name = "mmcsd", .parent = &pll1_sysclk5, .lpsc = DAVINCI_LPSC_MMC_SD, }; static struct clk spi_clk = { .name = "spi", .parent = &pll1_sysclk5, .lpsc = DAVINCI_LPSC_SPI, }; static struct clk gpio_clk = { .name = "gpio", .parent = &pll1_sysclk5, .lpsc = DAVINCI_LPSC_GPIO, }; static struct clk usb_clk = { .name = "usb", .parent = &pll1_sysclk5, .lpsc = DAVINCI_LPSC_USB, }; static struct clk vlynq_clk = { .name = "vlynq", .parent = &pll1_sysclk5, .lpsc = DAVINCI_LPSC_VLYNQ, }; static struct clk aemif_clk = { .name = "aemif", .parent = &pll1_sysclk5, .lpsc = DAVINCI_LPSC_AEMIF, }; static struct clk pwm0_clk = { .name = "pwm0", .parent = &pll1_aux_clk, .lpsc = DAVINCI_LPSC_PWM0, }; static struct clk pwm1_clk = { .name = "pwm1", .parent = &pll1_aux_clk, .lpsc = DAVINCI_LPSC_PWM1, }; static struct clk pwm2_clk = { .name = "pwm2", .parent = &pll1_aux_clk, .lpsc = DAVINCI_LPSC_PWM2, }; static struct clk timer0_clk = { .name = "timer0", .parent = &pll1_aux_clk, .lpsc = DAVINCI_LPSC_TIMER0, }; static struct clk timer1_clk = { .name = "timer1", .parent = &pll1_aux_clk, .lpsc = DAVINCI_LPSC_TIMER1, }; static struct clk timer2_clk = { .name = "timer2", .parent = &pll1_aux_clk, .lpsc = DAVINCI_LPSC_TIMER2, .usecount = 1, /* REVISIT: why cant' this be disabled? */ }; struct davinci_clk dm644x_clks[] = { CLK(NULL, "ref", &ref_clk), CLK(NULL, "pll1", &pll1_clk), CLK(NULL, "pll1_sysclk1", &pll1_sysclk1), CLK(NULL, "pll1_sysclk2", &pll1_sysclk2), CLK(NULL, "pll1_sysclk3", &pll1_sysclk3), CLK(NULL, "pll1_sysclk5", &pll1_sysclk5), CLK(NULL, "pll1_aux", &pll1_aux_clk), CLK(NULL, "pll1_sysclkbp", &pll1_sysclkbp), CLK(NULL, "pll2", &pll2_clk), CLK(NULL, "pll2_sysclk1", &pll2_sysclk1), CLK(NULL, "pll2_sysclk2", &pll2_sysclk2), CLK(NULL, "pll2_sysclkbp", &pll2_sysclkbp), CLK(NULL, "dsp", &dsp_clk), CLK(NULL, "arm", &arm_clk), CLK(NULL, "vicp", &vicp_clk), CLK(NULL, "vpss_master", &vpss_master_clk), CLK(NULL, "vpss_slave", &vpss_slave_clk), CLK(NULL, "arm", &arm_clk), CLK(NULL, "uart0", &uart0_clk), CLK(NULL, "uart1", &uart1_clk), CLK(NULL, "uart2", &uart2_clk), CLK("davinci_emac.1", NULL, &emac_clk), CLK("i2c_davinci.1", NULL, &i2c_clk), CLK("palm_bk3710", NULL, &ide_clk), CLK("soc-audio.0", NULL, &asp_clk), CLK("davinci_mmc.0", NULL, &mmcsd_clk), CLK(NULL, "spi", &spi_clk), CLK(NULL, "gpio", &gpio_clk), CLK(NULL, "usb", &usb_clk), CLK(NULL, "vlynq", &vlynq_clk), CLK(NULL, "aemif", &aemif_clk), CLK(NULL, "pwm0", &pwm0_clk), CLK(NULL, "pwm1", &pwm1_clk), CLK(NULL, "pwm2", &pwm2_clk), CLK(NULL, "timer0", &timer0_clk), CLK(NULL, "timer1", &timer1_clk), CLK("watchdog", NULL, &timer2_clk), CLK(NULL, NULL, NULL), }; #if defined(CONFIG_TI_DAVINCI_EMAC) || defined(CONFIG_TI_DAVINCI_EMAC_MODULE) static struct resource dm644x_emac_resources[] = { { .start = DM644X_EMAC_BASE, .end = DM644X_EMAC_BASE + 0x47ff, .flags = IORESOURCE_MEM, }, { .start = IRQ_EMACINT, .end = IRQ_EMACINT, .flags = IORESOURCE_IRQ, }, }; static struct platform_device dm644x_emac_device = { .name = "davinci_emac", .id = 1, .num_resources = ARRAY_SIZE(dm644x_emac_resources), .resource = dm644x_emac_resources, }; #endif /* * Device specific mux setup * * soc description mux mode mode mux dbg * reg offset mask mode */ static const struct mux_config dm644x_pins[] = { 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, 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) }; /*----------------------------------------------------------------------*/ static const s8 dma_chan_dm644x_no_event[] = { 0, 1, 12, 13, 14, 15, 25, 30, 31, 45, 46, 47, 55, 56, 57, 58, 59, 60, 61, 62, 63, -1 }; static struct edma_soc_info dm644x_edma_info = { .n_channel = 64, .n_region = 4, .n_slot = 128, .n_tc = 2, .noevent = dma_chan_dm644x_no_event, }; static struct resource edma_resources[] = { { .name = "edma_cc", .start = 0x01c00000, .end = 0x01c00000 + SZ_64K - 1, .flags = IORESOURCE_MEM, }, { .name = "edma_tc0", .start = 0x01c10000, .end = 0x01c10000 + SZ_1K - 1, .flags = IORESOURCE_MEM, }, { .name = "edma_tc1", .start = 0x01c10400, .end = 0x01c10400 + SZ_1K - 1, .flags = IORESOURCE_MEM, }, { .start = IRQ_CCINT0, .flags = IORESOURCE_IRQ, }, { .start = IRQ_CCERRINT, .flags = IORESOURCE_IRQ, }, /* not using TC*_ERR */ }; static struct platform_device dm644x_edma_device = { .name = "edma", .id = -1, .dev.platform_data = &dm644x_edma_info, .num_resources = ARRAY_SIZE(edma_resources), .resource = edma_resources, }; /*----------------------------------------------------------------------*/ #if defined(CONFIG_TI_DAVINCI_EMAC) || defined(CONFIG_TI_DAVINCI_EMAC_MODULE) void dm644x_init_emac(struct emac_platform_data *pdata) { pdata->ctrl_reg_offset = DM644X_EMAC_CNTRL_OFFSET; pdata->ctrl_mod_reg_offset = DM644X_EMAC_CNTRL_MOD_OFFSET; pdata->ctrl_ram_offset = DM644X_EMAC_CNTRL_RAM_OFFSET; pdata->mdio_reg_offset = DM644X_EMAC_MDIO_OFFSET; pdata->ctrl_ram_size = DM644X_EMAC_CNTRL_RAM_SIZE; pdata->version = EMAC_VERSION_1; dm644x_emac_device.dev.platform_data = pdata; platform_device_register(&dm644x_emac_device); } #else void dm644x_init_emac(struct emac_platform_data *unused) {} #endif static struct map_desc dm644x_io_desc[] = { { .virtual = IO_VIRT, .pfn = __phys_to_pfn(IO_PHYS), .length = IO_SIZE, .type = MT_DEVICE }, }; static struct davinci_soc_info davinci_soc_info_dm644x = { .io_desc = dm644x_io_desc, .io_desc_num = ARRAY_SIZE(dm644x_io_desc), }; void __init dm644x_init(void) { davinci_common_init(&davinci_soc_info_dm644x); davinci_clk_init(dm644x_clks); davinci_mux_register(dm644x_pins, ARRAY_SIZE(dm644x_pins)); } static int __init dm644x_init_devices(void) { if (!cpu_is_davinci_dm644x()) return 0; platform_device_register(&dm644x_edma_device); return 0; } postcore_initcall(dm644x_init_devices);