| /* |
| * 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 <linux/kernel.h> |
| #include <linux/init.h> |
| #include <linux/clk.h> |
| #include <linux/platform_device.h> |
| |
| #include <asm/mach/map.h> |
| |
| #include <mach/dm644x.h> |
| #include <mach/clock.h> |
| #include <mach/cputype.h> |
| #include <mach/edma.h> |
| #include <mach/irqs.h> |
| #include <mach/psc.h> |
| #include <mach/mux.h> |
| #include <mach/common.h> |
| |
| #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[] = { |
| #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, 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 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 |
| }, |
| }; |
| |
| /* 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", |
| }, |
| }; |
| |
| static void __iomem *dm644x_psc_bases[] = { |
| IO_ADDRESS(DAVINCI_PWR_SLEEP_CNTRL_BASE), |
| }; |
| |
| static struct davinci_soc_info davinci_soc_info_dm644x = { |
| .io_desc = dm644x_io_desc, |
| .io_desc_num = ARRAY_SIZE(dm644x_io_desc), |
| .jtag_id_base = IO_ADDRESS(0x01c40028), |
| .ids = dm644x_ids, |
| .ids_num = ARRAY_SIZE(dm644x_ids), |
| .cpu_clks = dm644x_clks, |
| .psc_bases = dm644x_psc_bases, |
| .psc_bases_num = ARRAY_SIZE(dm644x_psc_bases), |
| .pinmux_base = IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE), |
| .pinmux_pins = dm644x_pins, |
| .pinmux_pins_num = ARRAY_SIZE(dm644x_pins), |
| .intc_base = IO_ADDRESS(DAVINCI_ARM_INTC_BASE), |
| .intc_type = DAVINCI_INTC_TYPE_AINTC, |
| .intc_irq_prios = dm644x_default_priorities, |
| .intc_irq_num = DAVINCI_N_AINTC_IRQ, |
| }; |
| |
| void __init dm644x_init(void) |
| { |
| davinci_common_init(&davinci_soc_info_dm644x); |
| } |
| |
| 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); |