diff options
Diffstat (limited to 'arch/arm/mach-davinci/da850.c')
-rw-r--r-- | arch/arm/mach-davinci/da850.c | 1348 |
1 files changed, 1348 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c new file mode 100644 index 000000000..45ce065e7 --- /dev/null +++ b/arch/arm/mach-davinci/da850.c @@ -0,0 +1,1348 @@ +/* + * TI DA850/OMAP-L138 chip specific setup + * + * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/ + * + * Derived from: arch/arm/mach-davinci/da830.c + * Original Copyrights follow: + * + * 2009 (c) MontaVista Software, Inc. 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/gpio.h> +#include <linux/init.h> +#include <linux/clk.h> +#include <linux/platform_device.h> +#include <linux/cpufreq.h> +#include <linux/regulator/consumer.h> +#include <linux/platform_data/gpio-davinci.h> + +#include <asm/mach/map.h> + +#include <mach/psc.h> +#include <mach/irqs.h> +#include <mach/cputype.h> +#include <mach/common.h> +#include <mach/time.h> +#include <mach/da8xx.h> +#include <mach/cpufreq.h> +#include <mach/pm.h> + +#include "clock.h" +#include "mux.h" + +/* SoC specific clock flags */ +#define DA850_CLK_ASYNC3 BIT(16) + +#define DA850_PLL1_BASE 0x01e1a000 +#define DA850_TIMER64P2_BASE 0x01f0c000 +#define DA850_TIMER64P3_BASE 0x01f0d000 + +#define DA850_REF_FREQ 24000000 + +#define CFGCHIP3_ASYNC3_CLKSRC BIT(4) +#define CFGCHIP3_PLL1_MASTER_LOCK BIT(5) +#define CFGCHIP0_PLL_MASTER_LOCK BIT(4) + +static int da850_set_armrate(struct clk *clk, unsigned long rate); +static int da850_round_armrate(struct clk *clk, unsigned long rate); +static int da850_set_pll0rate(struct clk *clk, unsigned long armrate); + +static struct pll_data pll0_data = { + .num = 1, + .phys_base = DA8XX_PLL0_BASE, + .flags = PLL_HAS_PREDIV | PLL_HAS_POSTDIV, +}; + +static struct clk ref_clk = { + .name = "ref_clk", + .rate = DA850_REF_FREQ, + .set_rate = davinci_simple_set_rate, +}; + +static struct clk pll0_clk = { + .name = "pll0", + .parent = &ref_clk, + .pll_data = &pll0_data, + .flags = CLK_PLL, + .set_rate = da850_set_pll0rate, +}; + +static struct clk pll0_aux_clk = { + .name = "pll0_aux_clk", + .parent = &pll0_clk, + .flags = CLK_PLL | PRE_PLL, +}; + +static struct clk pll0_sysclk1 = { + .name = "pll0_sysclk1", + .parent = &pll0_clk, + .flags = CLK_PLL, + .div_reg = PLLDIV1, +}; + +static struct clk pll0_sysclk2 = { + .name = "pll0_sysclk2", + .parent = &pll0_clk, + .flags = CLK_PLL, + .div_reg = PLLDIV2, +}; + +static struct clk pll0_sysclk3 = { + .name = "pll0_sysclk3", + .parent = &pll0_clk, + .flags = CLK_PLL, + .div_reg = PLLDIV3, + .set_rate = davinci_set_sysclk_rate, + .maxrate = 100000000, +}; + +static struct clk pll0_sysclk4 = { + .name = "pll0_sysclk4", + .parent = &pll0_clk, + .flags = CLK_PLL, + .div_reg = PLLDIV4, +}; + +static struct clk pll0_sysclk5 = { + .name = "pll0_sysclk5", + .parent = &pll0_clk, + .flags = CLK_PLL, + .div_reg = PLLDIV5, +}; + +static struct clk pll0_sysclk6 = { + .name = "pll0_sysclk6", + .parent = &pll0_clk, + .flags = CLK_PLL, + .div_reg = PLLDIV6, +}; + +static struct clk pll0_sysclk7 = { + .name = "pll0_sysclk7", + .parent = &pll0_clk, + .flags = CLK_PLL, + .div_reg = PLLDIV7, +}; + +static struct pll_data pll1_data = { + .num = 2, + .phys_base = DA850_PLL1_BASE, + .flags = PLL_HAS_POSTDIV, +}; + +static struct clk pll1_clk = { + .name = "pll1", + .parent = &ref_clk, + .pll_data = &pll1_data, + .flags = CLK_PLL, +}; + +static struct clk pll1_aux_clk = { + .name = "pll1_aux_clk", + .parent = &pll1_clk, + .flags = CLK_PLL | PRE_PLL, +}; + +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 i2c0_clk = { + .name = "i2c0", + .parent = &pll0_aux_clk, +}; + +static struct clk timerp64_0_clk = { + .name = "timer0", + .parent = &pll0_aux_clk, +}; + +static struct clk timerp64_1_clk = { + .name = "timer1", + .parent = &pll0_aux_clk, +}; + +static struct clk arm_rom_clk = { + .name = "arm_rom", + .parent = &pll0_sysclk2, + .lpsc = DA8XX_LPSC0_ARM_RAM_ROM, + .flags = ALWAYS_ENABLED, +}; + +static struct clk tpcc0_clk = { + .name = "tpcc0", + .parent = &pll0_sysclk2, + .lpsc = DA8XX_LPSC0_TPCC, + .flags = ALWAYS_ENABLED | CLK_PSC, +}; + +static struct clk tptc0_clk = { + .name = "tptc0", + .parent = &pll0_sysclk2, + .lpsc = DA8XX_LPSC0_TPTC0, + .flags = ALWAYS_ENABLED, +}; + +static struct clk tptc1_clk = { + .name = "tptc1", + .parent = &pll0_sysclk2, + .lpsc = DA8XX_LPSC0_TPTC1, + .flags = ALWAYS_ENABLED, +}; + +static struct clk tpcc1_clk = { + .name = "tpcc1", + .parent = &pll0_sysclk2, + .lpsc = DA850_LPSC1_TPCC1, + .gpsc = 1, + .flags = CLK_PSC | ALWAYS_ENABLED, +}; + +static struct clk tptc2_clk = { + .name = "tptc2", + .parent = &pll0_sysclk2, + .lpsc = DA850_LPSC1_TPTC2, + .gpsc = 1, + .flags = ALWAYS_ENABLED, +}; + +static struct clk pruss_clk = { + .name = "pruss", + .parent = &pll0_sysclk2, + .lpsc = DA8XX_LPSC0_PRUSS, +}; + +static struct clk uart0_clk = { + .name = "uart0", + .parent = &pll0_sysclk2, + .lpsc = DA8XX_LPSC0_UART0, +}; + +static struct clk uart1_clk = { + .name = "uart1", + .parent = &pll0_sysclk2, + .lpsc = DA8XX_LPSC1_UART1, + .gpsc = 1, + .flags = DA850_CLK_ASYNC3, +}; + +static struct clk uart2_clk = { + .name = "uart2", + .parent = &pll0_sysclk2, + .lpsc = DA8XX_LPSC1_UART2, + .gpsc = 1, + .flags = DA850_CLK_ASYNC3, +}; + +static struct clk aintc_clk = { + .name = "aintc", + .parent = &pll0_sysclk4, + .lpsc = DA8XX_LPSC0_AINTC, + .flags = ALWAYS_ENABLED, +}; + +static struct clk gpio_clk = { + .name = "gpio", + .parent = &pll0_sysclk4, + .lpsc = DA8XX_LPSC1_GPIO, + .gpsc = 1, +}; + +static struct clk i2c1_clk = { + .name = "i2c1", + .parent = &pll0_sysclk4, + .lpsc = DA8XX_LPSC1_I2C, + .gpsc = 1, +}; + +static struct clk emif3_clk = { + .name = "emif3", + .parent = &pll0_sysclk5, + .lpsc = DA8XX_LPSC1_EMIF3C, + .gpsc = 1, + .flags = ALWAYS_ENABLED, +}; + +static struct clk arm_clk = { + .name = "arm", + .parent = &pll0_sysclk6, + .lpsc = DA8XX_LPSC0_ARM, + .flags = ALWAYS_ENABLED, + .set_rate = da850_set_armrate, + .round_rate = da850_round_armrate, +}; + +static struct clk rmii_clk = { + .name = "rmii", + .parent = &pll0_sysclk7, +}; + +static struct clk emac_clk = { + .name = "emac", + .parent = &pll0_sysclk4, + .lpsc = DA8XX_LPSC1_CPGMAC, + .gpsc = 1, +}; + +static struct clk mcasp_clk = { + .name = "mcasp", + .parent = &pll0_sysclk2, + .lpsc = DA8XX_LPSC1_McASP0, + .gpsc = 1, + .flags = DA850_CLK_ASYNC3, +}; + +static struct clk lcdc_clk = { + .name = "lcdc", + .parent = &pll0_sysclk2, + .lpsc = DA8XX_LPSC1_LCDC, + .gpsc = 1, +}; + +static struct clk mmcsd0_clk = { + .name = "mmcsd0", + .parent = &pll0_sysclk2, + .lpsc = DA8XX_LPSC0_MMC_SD, +}; + +static struct clk mmcsd1_clk = { + .name = "mmcsd1", + .parent = &pll0_sysclk2, + .lpsc = DA850_LPSC1_MMC_SD1, + .gpsc = 1, +}; + +static struct clk aemif_clk = { + .name = "aemif", + .parent = &pll0_sysclk3, + .lpsc = DA8XX_LPSC0_EMIF25, + .flags = ALWAYS_ENABLED, +}; + +static struct clk usb11_clk = { + .name = "usb11", + .parent = &pll0_sysclk4, + .lpsc = DA8XX_LPSC1_USB11, + .gpsc = 1, +}; + +static struct clk usb20_clk = { + .name = "usb20", + .parent = &pll0_sysclk2, + .lpsc = DA8XX_LPSC1_USB20, + .gpsc = 1, +}; + +static struct clk spi0_clk = { + .name = "spi0", + .parent = &pll0_sysclk2, + .lpsc = DA8XX_LPSC0_SPI0, +}; + +static struct clk spi1_clk = { + .name = "spi1", + .parent = &pll0_sysclk2, + .lpsc = DA8XX_LPSC1_SPI1, + .gpsc = 1, + .flags = DA850_CLK_ASYNC3, +}; + +static struct clk vpif_clk = { + .name = "vpif", + .parent = &pll0_sysclk2, + .lpsc = DA850_LPSC1_VPIF, + .gpsc = 1, +}; + +static struct clk sata_clk = { + .name = "sata", + .parent = &pll0_sysclk2, + .lpsc = DA850_LPSC1_SATA, + .gpsc = 1, + .flags = PSC_FORCE, +}; + +static struct clk dsp_clk = { + .name = "dsp", + .parent = &pll0_sysclk1, + .domain = DAVINCI_GPSC_DSPDOMAIN, + .lpsc = DA8XX_LPSC0_GEM, + .flags = PSC_LRST | PSC_FORCE, +}; + +static struct clk ehrpwm_clk = { + .name = "ehrpwm", + .parent = &pll0_sysclk2, + .lpsc = DA8XX_LPSC1_PWM, + .gpsc = 1, + .flags = DA850_CLK_ASYNC3, +}; + +#define DA8XX_EHRPWM_TBCLKSYNC BIT(12) + +static void ehrpwm_tblck_enable(struct clk *clk) +{ + u32 val; + + val = readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP1_REG)); + val |= DA8XX_EHRPWM_TBCLKSYNC; + writel(val, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP1_REG)); +} + +static void ehrpwm_tblck_disable(struct clk *clk) +{ + u32 val; + + val = readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP1_REG)); + val &= ~DA8XX_EHRPWM_TBCLKSYNC; + writel(val, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP1_REG)); +} + +static struct clk ehrpwm_tbclk = { + .name = "ehrpwm_tbclk", + .parent = &ehrpwm_clk, + .clk_enable = ehrpwm_tblck_enable, + .clk_disable = ehrpwm_tblck_disable, +}; + +static struct clk ecap_clk = { + .name = "ecap", + .parent = &pll0_sysclk2, + .lpsc = DA8XX_LPSC1_ECAP, + .gpsc = 1, + .flags = DA850_CLK_ASYNC3, +}; + +static struct clk_lookup da850_clks[] = { + CLK(NULL, "ref", &ref_clk), + CLK(NULL, "pll0", &pll0_clk), + CLK(NULL, "pll0_aux", &pll0_aux_clk), + CLK(NULL, "pll0_sysclk1", &pll0_sysclk1), + CLK(NULL, "pll0_sysclk2", &pll0_sysclk2), + CLK(NULL, "pll0_sysclk3", &pll0_sysclk3), + CLK(NULL, "pll0_sysclk4", &pll0_sysclk4), + CLK(NULL, "pll0_sysclk5", &pll0_sysclk5), + CLK(NULL, "pll0_sysclk6", &pll0_sysclk6), + CLK(NULL, "pll0_sysclk7", &pll0_sysclk7), + CLK(NULL, "pll1", &pll1_clk), + CLK(NULL, "pll1_aux", &pll1_aux_clk), + CLK(NULL, "pll1_sysclk2", &pll1_sysclk2), + CLK(NULL, "pll1_sysclk3", &pll1_sysclk3), + CLK("i2c_davinci.1", NULL, &i2c0_clk), + CLK(NULL, "timer0", &timerp64_0_clk), + CLK("davinci-wdt", NULL, &timerp64_1_clk), + CLK(NULL, "arm_rom", &arm_rom_clk), + CLK(NULL, "tpcc0", &tpcc0_clk), + CLK(NULL, "tptc0", &tptc0_clk), + CLK(NULL, "tptc1", &tptc1_clk), + CLK(NULL, "tpcc1", &tpcc1_clk), + CLK(NULL, "tptc2", &tptc2_clk), + CLK("pruss_uio", "pruss", &pruss_clk), + CLK("serial8250.0", NULL, &uart0_clk), + CLK("serial8250.1", NULL, &uart1_clk), + CLK("serial8250.2", NULL, &uart2_clk), + CLK(NULL, "aintc", &aintc_clk), + CLK(NULL, "gpio", &gpio_clk), + CLK("i2c_davinci.2", NULL, &i2c1_clk), + CLK(NULL, "emif3", &emif3_clk), + CLK(NULL, "arm", &arm_clk), + CLK(NULL, "rmii", &rmii_clk), + CLK("davinci_emac.1", NULL, &emac_clk), + CLK("davinci_mdio.0", "fck", &emac_clk), + CLK("davinci-mcasp.0", NULL, &mcasp_clk), + CLK("da8xx_lcdc.0", "fck", &lcdc_clk), + CLK("da830-mmc.0", NULL, &mmcsd0_clk), + CLK("da830-mmc.1", NULL, &mmcsd1_clk), + CLK(NULL, "aemif", &aemif_clk), + CLK(NULL, "usb11", &usb11_clk), + CLK(NULL, "usb20", &usb20_clk), + CLK("spi_davinci.0", NULL, &spi0_clk), + CLK("spi_davinci.1", NULL, &spi1_clk), + CLK("vpif", NULL, &vpif_clk), + CLK("ahci_da850", NULL, &sata_clk), + CLK("davinci-rproc.0", NULL, &dsp_clk), + CLK("ehrpwm", "fck", &ehrpwm_clk), + CLK("ehrpwm", "tbclk", &ehrpwm_tbclk), + CLK("ecap", "fck", &ecap_clk), + CLK(NULL, NULL, NULL), +}; + +/* + * Device specific mux setup + * + * soc description mux mode mode mux dbg + * reg offset mask mode + */ +static const struct mux_config da850_pins[] = { +#ifdef CONFIG_DAVINCI_MUX + /* UART0 function */ + MUX_CFG(DA850, NUART0_CTS, 3, 24, 15, 2, false) + MUX_CFG(DA850, NUART0_RTS, 3, 28, 15, 2, false) + MUX_CFG(DA850, UART0_RXD, 3, 16, 15, 2, false) + MUX_CFG(DA850, UART0_TXD, 3, 20, 15, 2, false) + /* UART1 function */ + MUX_CFG(DA850, UART1_RXD, 4, 24, 15, 2, false) + MUX_CFG(DA850, UART1_TXD, 4, 28, 15, 2, false) + /* UART2 function */ + MUX_CFG(DA850, UART2_RXD, 4, 16, 15, 2, false) + MUX_CFG(DA850, UART2_TXD, 4, 20, 15, 2, false) + /* I2C1 function */ + MUX_CFG(DA850, I2C1_SCL, 4, 16, 15, 4, false) + MUX_CFG(DA850, I2C1_SDA, 4, 20, 15, 4, false) + /* I2C0 function */ + MUX_CFG(DA850, I2C0_SDA, 4, 12, 15, 2, false) + MUX_CFG(DA850, I2C0_SCL, 4, 8, 15, 2, false) + /* EMAC function */ + MUX_CFG(DA850, MII_TXEN, 2, 4, 15, 8, false) + MUX_CFG(DA850, MII_TXCLK, 2, 8, 15, 8, false) + MUX_CFG(DA850, MII_COL, 2, 12, 15, 8, false) + MUX_CFG(DA850, MII_TXD_3, 2, 16, 15, 8, false) + MUX_CFG(DA850, MII_TXD_2, 2, 20, 15, 8, false) + MUX_CFG(DA850, MII_TXD_1, 2, 24, 15, 8, false) + MUX_CFG(DA850, MII_TXD_0, 2, 28, 15, 8, false) + MUX_CFG(DA850, MII_RXCLK, 3, 0, 15, 8, false) + MUX_CFG(DA850, MII_RXDV, 3, 4, 15, 8, false) + MUX_CFG(DA850, MII_RXER, 3, 8, 15, 8, false) + MUX_CFG(DA850, MII_CRS, 3, 12, 15, 8, false) + MUX_CFG(DA850, MII_RXD_3, 3, 16, 15, 8, false) + MUX_CFG(DA850, MII_RXD_2, 3, 20, 15, 8, false) + MUX_CFG(DA850, MII_RXD_1, 3, 24, 15, 8, false) + MUX_CFG(DA850, MII_RXD_0, 3, 28, 15, 8, false) + MUX_CFG(DA850, MDIO_CLK, 4, 0, 15, 8, false) + MUX_CFG(DA850, MDIO_D, 4, 4, 15, 8, false) + MUX_CFG(DA850, RMII_TXD_0, 14, 12, 15, 8, false) + MUX_CFG(DA850, RMII_TXD_1, 14, 8, 15, 8, false) + MUX_CFG(DA850, RMII_TXEN, 14, 16, 15, 8, false) + MUX_CFG(DA850, RMII_CRS_DV, 15, 4, 15, 8, false) + MUX_CFG(DA850, RMII_RXD_0, 14, 24, 15, 8, false) + MUX_CFG(DA850, RMII_RXD_1, 14, 20, 15, 8, false) + MUX_CFG(DA850, RMII_RXER, 14, 28, 15, 8, false) + MUX_CFG(DA850, RMII_MHZ_50_CLK, 15, 0, 15, 0, false) + /* McASP function */ + MUX_CFG(DA850, ACLKR, 0, 0, 15, 1, false) + MUX_CFG(DA850, ACLKX, 0, 4, 15, 1, false) + MUX_CFG(DA850, AFSR, 0, 8, 15, 1, false) + MUX_CFG(DA850, AFSX, 0, 12, 15, 1, false) + MUX_CFG(DA850, AHCLKR, 0, 16, 15, 1, false) + MUX_CFG(DA850, AHCLKX, 0, 20, 15, 1, false) + MUX_CFG(DA850, AMUTE, 0, 24, 15, 1, false) + MUX_CFG(DA850, AXR_15, 1, 0, 15, 1, false) + MUX_CFG(DA850, AXR_14, 1, 4, 15, 1, false) + MUX_CFG(DA850, AXR_13, 1, 8, 15, 1, false) + MUX_CFG(DA850, AXR_12, 1, 12, 15, 1, false) + MUX_CFG(DA850, AXR_11, 1, 16, 15, 1, false) + MUX_CFG(DA850, AXR_10, 1, 20, 15, 1, false) + MUX_CFG(DA850, AXR_9, 1, 24, 15, 1, false) + MUX_CFG(DA850, AXR_8, 1, 28, 15, 1, false) + MUX_CFG(DA850, AXR_7, 2, 0, 15, 1, false) + MUX_CFG(DA850, AXR_6, 2, 4, 15, 1, false) + MUX_CFG(DA850, AXR_5, 2, 8, 15, 1, false) + MUX_CFG(DA850, AXR_4, 2, 12, 15, 1, false) + MUX_CFG(DA850, AXR_3, 2, 16, 15, 1, false) + MUX_CFG(DA850, AXR_2, 2, 20, 15, 1, false) + MUX_CFG(DA850, AXR_1, 2, 24, 15, 1, false) + MUX_CFG(DA850, AXR_0, 2, 28, 15, 1, false) + /* LCD function */ + MUX_CFG(DA850, LCD_D_7, 16, 8, 15, 2, false) + MUX_CFG(DA850, LCD_D_6, 16, 12, 15, 2, false) + MUX_CFG(DA850, LCD_D_5, 16, 16, 15, 2, false) + MUX_CFG(DA850, LCD_D_4, 16, 20, 15, 2, false) + MUX_CFG(DA850, LCD_D_3, 16, 24, 15, 2, false) + MUX_CFG(DA850, LCD_D_2, 16, 28, 15, 2, false) + MUX_CFG(DA850, LCD_D_1, 17, 0, 15, 2, false) + MUX_CFG(DA850, LCD_D_0, 17, 4, 15, 2, false) + MUX_CFG(DA850, LCD_D_15, 17, 8, 15, 2, false) + MUX_CFG(DA850, LCD_D_14, 17, 12, 15, 2, false) + MUX_CFG(DA850, LCD_D_13, 17, 16, 15, 2, false) + MUX_CFG(DA850, LCD_D_12, 17, 20, 15, 2, false) + MUX_CFG(DA850, LCD_D_11, 17, 24, 15, 2, false) + MUX_CFG(DA850, LCD_D_10, 17, 28, 15, 2, false) + MUX_CFG(DA850, LCD_D_9, 18, 0, 15, 2, false) + MUX_CFG(DA850, LCD_D_8, 18, 4, 15, 2, false) + MUX_CFG(DA850, LCD_PCLK, 18, 24, 15, 2, false) + MUX_CFG(DA850, LCD_HSYNC, 19, 0, 15, 2, false) + MUX_CFG(DA850, LCD_VSYNC, 19, 4, 15, 2, false) + MUX_CFG(DA850, NLCD_AC_ENB_CS, 19, 24, 15, 2, false) + /* MMC/SD0 function */ + MUX_CFG(DA850, MMCSD0_DAT_0, 10, 8, 15, 2, false) + MUX_CFG(DA850, MMCSD0_DAT_1, 10, 12, 15, 2, false) + MUX_CFG(DA850, MMCSD0_DAT_2, 10, 16, 15, 2, false) + MUX_CFG(DA850, MMCSD0_DAT_3, 10, 20, 15, 2, false) + MUX_CFG(DA850, MMCSD0_CLK, 10, 0, 15, 2, false) + MUX_CFG(DA850, MMCSD0_CMD, 10, 4, 15, 2, false) + /* MMC/SD1 function */ + MUX_CFG(DA850, MMCSD1_DAT_0, 18, 8, 15, 2, false) + MUX_CFG(DA850, MMCSD1_DAT_1, 19, 16, 15, 2, false) + MUX_CFG(DA850, MMCSD1_DAT_2, 19, 12, 15, 2, false) + MUX_CFG(DA850, MMCSD1_DAT_3, 19, 8, 15, 2, false) + MUX_CFG(DA850, MMCSD1_CLK, 18, 12, 15, 2, false) + MUX_CFG(DA850, MMCSD1_CMD, 18, 16, 15, 2, false) + /* EMIF2.5/EMIFA function */ + MUX_CFG(DA850, EMA_D_7, 9, 0, 15, 1, false) + MUX_CFG(DA850, EMA_D_6, 9, 4, 15, 1, false) + MUX_CFG(DA850, EMA_D_5, 9, 8, 15, 1, false) + MUX_CFG(DA850, EMA_D_4, 9, 12, 15, 1, false) + MUX_CFG(DA850, EMA_D_3, 9, 16, 15, 1, false) + MUX_CFG(DA850, EMA_D_2, 9, 20, 15, 1, false) + MUX_CFG(DA850, EMA_D_1, 9, 24, 15, 1, false) + MUX_CFG(DA850, EMA_D_0, 9, 28, 15, 1, false) + MUX_CFG(DA850, EMA_A_1, 12, 24, 15, 1, false) + MUX_CFG(DA850, EMA_A_2, 12, 20, 15, 1, false) + MUX_CFG(DA850, NEMA_CS_3, 7, 4, 15, 1, false) + MUX_CFG(DA850, NEMA_CS_4, 7, 8, 15, 1, false) + MUX_CFG(DA850, NEMA_WE, 7, 16, 15, 1, false) + MUX_CFG(DA850, NEMA_OE, 7, 20, 15, 1, false) + MUX_CFG(DA850, EMA_A_0, 12, 28, 15, 1, false) + MUX_CFG(DA850, EMA_A_3, 12, 16, 15, 1, false) + MUX_CFG(DA850, EMA_A_4, 12, 12, 15, 1, false) + MUX_CFG(DA850, EMA_A_5, 12, 8, 15, 1, false) + MUX_CFG(DA850, EMA_A_6, 12, 4, 15, 1, false) + MUX_CFG(DA850, EMA_A_7, 12, 0, 15, 1, false) + MUX_CFG(DA850, EMA_A_8, 11, 28, 15, 1, false) + MUX_CFG(DA850, EMA_A_9, 11, 24, 15, 1, false) + MUX_CFG(DA850, EMA_A_10, 11, 20, 15, 1, false) + MUX_CFG(DA850, EMA_A_11, 11, 16, 15, 1, false) + MUX_CFG(DA850, EMA_A_12, 11, 12, 15, 1, false) + MUX_CFG(DA850, EMA_A_13, 11, 8, 15, 1, false) + MUX_CFG(DA850, EMA_A_14, 11, 4, 15, 1, false) + MUX_CFG(DA850, EMA_A_15, 11, 0, 15, 1, false) + MUX_CFG(DA850, EMA_A_16, 10, 28, 15, 1, false) + MUX_CFG(DA850, EMA_A_17, 10, 24, 15, 1, false) + MUX_CFG(DA850, EMA_A_18, 10, 20, 15, 1, false) + MUX_CFG(DA850, EMA_A_19, 10, 16, 15, 1, false) + MUX_CFG(DA850, EMA_A_20, 10, 12, 15, 1, false) + MUX_CFG(DA850, EMA_A_21, 10, 8, 15, 1, false) + MUX_CFG(DA850, EMA_A_22, 10, 4, 15, 1, false) + MUX_CFG(DA850, EMA_A_23, 10, 0, 15, 1, false) + MUX_CFG(DA850, EMA_D_8, 8, 28, 15, 1, false) + MUX_CFG(DA850, EMA_D_9, 8, 24, 15, 1, false) + MUX_CFG(DA850, EMA_D_10, 8, 20, 15, 1, false) + MUX_CFG(DA850, EMA_D_11, 8, 16, 15, 1, false) + MUX_CFG(DA850, EMA_D_12, 8, 12, 15, 1, false) + MUX_CFG(DA850, EMA_D_13, 8, 8, 15, 1, false) + MUX_CFG(DA850, EMA_D_14, 8, 4, 15, 1, false) + MUX_CFG(DA850, EMA_D_15, 8, 0, 15, 1, false) + MUX_CFG(DA850, EMA_BA_1, 5, 24, 15, 1, false) + MUX_CFG(DA850, EMA_CLK, 6, 0, 15, 1, false) + MUX_CFG(DA850, EMA_WAIT_1, 6, 24, 15, 1, false) + MUX_CFG(DA850, NEMA_CS_2, 7, 0, 15, 1, false) + /* GPIO function */ + MUX_CFG(DA850, GPIO2_4, 6, 12, 15, 8, false) + MUX_CFG(DA850, GPIO2_6, 6, 4, 15, 8, false) + MUX_CFG(DA850, GPIO2_8, 5, 28, 15, 8, false) + MUX_CFG(DA850, GPIO2_15, 5, 0, 15, 8, false) + MUX_CFG(DA850, GPIO3_12, 7, 12, 15, 8, false) + MUX_CFG(DA850, GPIO3_13, 7, 8, 15, 8, false) + MUX_CFG(DA850, GPIO4_0, 10, 28, 15, 8, false) + MUX_CFG(DA850, GPIO4_1, 10, 24, 15, 8, false) + MUX_CFG(DA850, GPIO6_9, 13, 24, 15, 8, false) + MUX_CFG(DA850, GPIO6_10, 13, 20, 15, 8, false) + MUX_CFG(DA850, GPIO6_13, 13, 8, 15, 8, false) + MUX_CFG(DA850, RTC_ALARM, 0, 28, 15, 2, false) + /* VPIF Capture */ + MUX_CFG(DA850, VPIF_DIN0, 15, 4, 15, 1, false) + MUX_CFG(DA850, VPIF_DIN1, 15, 0, 15, 1, false) + MUX_CFG(DA850, VPIF_DIN2, 14, 28, 15, 1, false) + MUX_CFG(DA850, VPIF_DIN3, 14, 24, 15, 1, false) + MUX_CFG(DA850, VPIF_DIN4, 14, 20, 15, 1, false) + MUX_CFG(DA850, VPIF_DIN5, 14, 16, 15, 1, false) + MUX_CFG(DA850, VPIF_DIN6, 14, 12, 15, 1, false) + MUX_CFG(DA850, VPIF_DIN7, 14, 8, 15, 1, false) + MUX_CFG(DA850, VPIF_DIN8, 16, 4, 15, 1, false) + MUX_CFG(DA850, VPIF_DIN9, 16, 0, 15, 1, false) + MUX_CFG(DA850, VPIF_DIN10, 15, 28, 15, 1, false) + MUX_CFG(DA850, VPIF_DIN11, 15, 24, 15, 1, false) + MUX_CFG(DA850, VPIF_DIN12, 15, 20, 15, 1, false) + MUX_CFG(DA850, VPIF_DIN13, 15, 16, 15, 1, false) + MUX_CFG(DA850, VPIF_DIN14, 15, 12, 15, 1, false) + MUX_CFG(DA850, VPIF_DIN15, 15, 8, 15, 1, false) + MUX_CFG(DA850, VPIF_CLKIN0, 14, 0, 15, 1, false) + MUX_CFG(DA850, VPIF_CLKIN1, 14, 4, 15, 1, false) + MUX_CFG(DA850, VPIF_CLKIN2, 19, 8, 15, 1, false) + MUX_CFG(DA850, VPIF_CLKIN3, 19, 16, 15, 1, false) + /* VPIF Display */ + MUX_CFG(DA850, VPIF_DOUT0, 17, 4, 15, 1, false) + MUX_CFG(DA850, VPIF_DOUT1, 17, 0, 15, 1, false) + MUX_CFG(DA850, VPIF_DOUT2, 16, 28, 15, 1, false) + MUX_CFG(DA850, VPIF_DOUT3, 16, 24, 15, 1, false) + MUX_CFG(DA850, VPIF_DOUT4, 16, 20, 15, 1, false) + MUX_CFG(DA850, VPIF_DOUT5, 16, 16, 15, 1, false) + MUX_CFG(DA850, VPIF_DOUT6, 16, 12, 15, 1, false) + MUX_CFG(DA850, VPIF_DOUT7, 16, 8, 15, 1, false) + MUX_CFG(DA850, VPIF_DOUT8, 18, 4, 15, 1, false) + MUX_CFG(DA850, VPIF_DOUT9, 18, 0, 15, 1, false) + MUX_CFG(DA850, VPIF_DOUT10, 17, 28, 15, 1, false) + MUX_CFG(DA850, VPIF_DOUT11, 17, 24, 15, 1, false) + MUX_CFG(DA850, VPIF_DOUT12, 17, 20, 15, 1, false) + MUX_CFG(DA850, VPIF_DOUT13, 17, 16, 15, 1, false) + MUX_CFG(DA850, VPIF_DOUT14, 17, 12, 15, 1, false) + MUX_CFG(DA850, VPIF_DOUT15, 17, 8, 15, 1, false) + MUX_CFG(DA850, VPIF_CLKO2, 19, 12, 15, 1, false) + MUX_CFG(DA850, VPIF_CLKO3, 19, 20, 15, 1, false) +#endif +}; + +const short da850_i2c0_pins[] __initconst = { + DA850_I2C0_SDA, DA850_I2C0_SCL, + -1 +}; + +const short da850_i2c1_pins[] __initconst = { + DA850_I2C1_SCL, DA850_I2C1_SDA, + -1 +}; + +const short da850_lcdcntl_pins[] __initconst = { + DA850_LCD_D_0, DA850_LCD_D_1, DA850_LCD_D_2, DA850_LCD_D_3, + DA850_LCD_D_4, DA850_LCD_D_5, DA850_LCD_D_6, DA850_LCD_D_7, + DA850_LCD_D_8, DA850_LCD_D_9, DA850_LCD_D_10, DA850_LCD_D_11, + DA850_LCD_D_12, DA850_LCD_D_13, DA850_LCD_D_14, DA850_LCD_D_15, + DA850_LCD_PCLK, DA850_LCD_HSYNC, DA850_LCD_VSYNC, DA850_NLCD_AC_ENB_CS, + -1 +}; + +const short da850_vpif_capture_pins[] __initdata = { + DA850_VPIF_DIN0, DA850_VPIF_DIN1, DA850_VPIF_DIN2, DA850_VPIF_DIN3, + DA850_VPIF_DIN4, DA850_VPIF_DIN5, DA850_VPIF_DIN6, DA850_VPIF_DIN7, + DA850_VPIF_DIN8, DA850_VPIF_DIN9, DA850_VPIF_DIN10, DA850_VPIF_DIN11, + DA850_VPIF_DIN12, DA850_VPIF_DIN13, DA850_VPIF_DIN14, DA850_VPIF_DIN15, + DA850_VPIF_CLKIN0, DA850_VPIF_CLKIN1, DA850_VPIF_CLKIN2, + DA850_VPIF_CLKIN3, + -1 +}; + +const short da850_vpif_display_pins[] __initdata = { + DA850_VPIF_DOUT0, DA850_VPIF_DOUT1, DA850_VPIF_DOUT2, DA850_VPIF_DOUT3, + DA850_VPIF_DOUT4, DA850_VPIF_DOUT5, DA850_VPIF_DOUT6, DA850_VPIF_DOUT7, + DA850_VPIF_DOUT8, DA850_VPIF_DOUT9, DA850_VPIF_DOUT10, + DA850_VPIF_DOUT11, DA850_VPIF_DOUT12, DA850_VPIF_DOUT13, + DA850_VPIF_DOUT14, DA850_VPIF_DOUT15, DA850_VPIF_CLKO2, + DA850_VPIF_CLKO3, + -1 +}; + +/* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */ +static u8 da850_default_priorities[DA850_N_CP_INTC_IRQ] = { + [IRQ_DA8XX_COMMTX] = 7, + [IRQ_DA8XX_COMMRX] = 7, + [IRQ_DA8XX_NINT] = 7, + [IRQ_DA8XX_EVTOUT0] = 7, + [IRQ_DA8XX_EVTOUT1] = 7, + [IRQ_DA8XX_EVTOUT2] = 7, + [IRQ_DA8XX_EVTOUT3] = 7, + [IRQ_DA8XX_EVTOUT4] = 7, + [IRQ_DA8XX_EVTOUT5] = 7, + [IRQ_DA8XX_EVTOUT6] = 7, + [IRQ_DA8XX_EVTOUT7] = 7, + [IRQ_DA8XX_CCINT0] = 7, + [IRQ_DA8XX_CCERRINT] = 7, + [IRQ_DA8XX_TCERRINT0] = 7, + [IRQ_DA8XX_AEMIFINT] = 7, + [IRQ_DA8XX_I2CINT0] = 7, + [IRQ_DA8XX_MMCSDINT0] = 7, + [IRQ_DA8XX_MMCSDINT1] = 7, + [IRQ_DA8XX_ALLINT0] = 7, + [IRQ_DA8XX_RTC] = 7, + [IRQ_DA8XX_SPINT0] = 7, + [IRQ_DA8XX_TINT12_0] = 7, + [IRQ_DA8XX_TINT34_0] = 7, + [IRQ_DA8XX_TINT12_1] = 7, + [IRQ_DA8XX_TINT34_1] = 7, + [IRQ_DA8XX_UARTINT0] = 7, + [IRQ_DA8XX_KEYMGRINT] = 7, + [IRQ_DA850_MPUADDRERR0] = 7, + [IRQ_DA8XX_CHIPINT0] = 7, + [IRQ_DA8XX_CHIPINT1] = 7, + [IRQ_DA8XX_CHIPINT2] = 7, + [IRQ_DA8XX_CHIPINT3] = 7, + [IRQ_DA8XX_TCERRINT1] = 7, + [IRQ_DA8XX_C0_RX_THRESH_PULSE] = 7, + [IRQ_DA8XX_C0_RX_PULSE] = 7, + [IRQ_DA8XX_C0_TX_PULSE] = 7, + [IRQ_DA8XX_C0_MISC_PULSE] = 7, + [IRQ_DA8XX_C1_RX_THRESH_PULSE] = 7, + [IRQ_DA8XX_C1_RX_PULSE] = 7, + [IRQ_DA8XX_C1_TX_PULSE] = 7, + [IRQ_DA8XX_C1_MISC_PULSE] = 7, + [IRQ_DA8XX_MEMERR] = 7, + [IRQ_DA8XX_GPIO0] = 7, + [IRQ_DA8XX_GPIO1] = 7, + [IRQ_DA8XX_GPIO2] = 7, + [IRQ_DA8XX_GPIO3] = 7, + [IRQ_DA8XX_GPIO4] = 7, + [IRQ_DA8XX_GPIO5] = 7, + [IRQ_DA8XX_GPIO6] = 7, + [IRQ_DA8XX_GPIO7] = 7, + [IRQ_DA8XX_GPIO8] = 7, + [IRQ_DA8XX_I2CINT1] = 7, + [IRQ_DA8XX_LCDINT] = 7, + [IRQ_DA8XX_UARTINT1] = 7, + [IRQ_DA8XX_MCASPINT] = 7, + [IRQ_DA8XX_ALLINT1] = 7, + [IRQ_DA8XX_SPINT1] = 7, + [IRQ_DA8XX_UHPI_INT1] = 7, + [IRQ_DA8XX_USB_INT] = 7, + [IRQ_DA8XX_IRQN] = 7, + [IRQ_DA8XX_RWAKEUP] = 7, + [IRQ_DA8XX_UARTINT2] = 7, + [IRQ_DA8XX_DFTSSINT] = 7, + [IRQ_DA8XX_EHRPWM0] = 7, + [IRQ_DA8XX_EHRPWM0TZ] = 7, + [IRQ_DA8XX_EHRPWM1] = 7, + [IRQ_DA8XX_EHRPWM1TZ] = 7, + [IRQ_DA850_SATAINT] = 7, + [IRQ_DA850_TINTALL_2] = 7, + [IRQ_DA8XX_ECAP0] = 7, + [IRQ_DA8XX_ECAP1] = 7, + [IRQ_DA8XX_ECAP2] = 7, + [IRQ_DA850_MMCSDINT0_1] = 7, + [IRQ_DA850_MMCSDINT1_1] = 7, + [IRQ_DA850_T12CMPINT0_2] = 7, + [IRQ_DA850_T12CMPINT1_2] = 7, + [IRQ_DA850_T12CMPINT2_2] = 7, + [IRQ_DA850_T12CMPINT3_2] = 7, + [IRQ_DA850_T12CMPINT4_2] = 7, + [IRQ_DA850_T12CMPINT5_2] = 7, + [IRQ_DA850_T12CMPINT6_2] = 7, + [IRQ_DA850_T12CMPINT7_2] = 7, + [IRQ_DA850_T12CMPINT0_3] = 7, + [IRQ_DA850_T12CMPINT1_3] = 7, + [IRQ_DA850_T12CMPINT2_3] = 7, + [IRQ_DA850_T12CMPINT3_3] = 7, + [IRQ_DA850_T12CMPINT4_3] = 7, + [IRQ_DA850_T12CMPINT5_3] = 7, + [IRQ_DA850_T12CMPINT6_3] = 7, + [IRQ_DA850_T12CMPINT7_3] = 7, + [IRQ_DA850_RPIINT] = 7, + [IRQ_DA850_VPIFINT] = 7, + [IRQ_DA850_CCINT1] = 7, + [IRQ_DA850_CCERRINT1] = 7, + [IRQ_DA850_TCERRINT2] = 7, + [IRQ_DA850_TINTALL_3] = 7, + [IRQ_DA850_MCBSP0RINT] = 7, + [IRQ_DA850_MCBSP0XINT] = 7, + [IRQ_DA850_MCBSP1RINT] = 7, + [IRQ_DA850_MCBSP1XINT] = 7, + [IRQ_DA8XX_ARMCLKSTOPREQ] = 7, +}; + +static struct map_desc da850_io_desc[] = { + { + .virtual = IO_VIRT, + .pfn = __phys_to_pfn(IO_PHYS), + .length = IO_SIZE, + .type = MT_DEVICE + }, + { + .virtual = DA8XX_CP_INTC_VIRT, + .pfn = __phys_to_pfn(DA8XX_CP_INTC_BASE), + .length = DA8XX_CP_INTC_SIZE, + .type = MT_DEVICE + }, +}; + +static u32 da850_psc_bases[] = { DA8XX_PSC0_BASE, DA8XX_PSC1_BASE }; + +/* Contents of JTAG ID register used to identify exact cpu type */ +static struct davinci_id da850_ids[] = { + { + .variant = 0x0, + .part_no = 0xb7d1, + .manufacturer = 0x017, /* 0x02f >> 1 */ + .cpu_id = DAVINCI_CPU_ID_DA850, + .name = "da850/omap-l138", + }, + { + .variant = 0x1, + .part_no = 0xb7d1, + .manufacturer = 0x017, /* 0x02f >> 1 */ + .cpu_id = DAVINCI_CPU_ID_DA850, + .name = "da850/omap-l138/am18x", + }, +}; + +static struct davinci_timer_instance da850_timer_instance[4] = { + { + .base = DA8XX_TIMER64P0_BASE, + .bottom_irq = IRQ_DA8XX_TINT12_0, + .top_irq = IRQ_DA8XX_TINT34_0, + }, + { + .base = DA8XX_TIMER64P1_BASE, + .bottom_irq = IRQ_DA8XX_TINT12_1, + .top_irq = IRQ_DA8XX_TINT34_1, + }, + { + .base = DA850_TIMER64P2_BASE, + .bottom_irq = IRQ_DA850_TINT12_2, + .top_irq = IRQ_DA850_TINT34_2, + }, + { + .base = DA850_TIMER64P3_BASE, + .bottom_irq = IRQ_DA850_TINT12_3, + .top_irq = IRQ_DA850_TINT34_3, + }, +}; + +/* + * T0_BOT: Timer 0, bottom : Used for clock_event + * T0_TOP: Timer 0, top : Used for clocksource + * T1_BOT, T1_TOP: Timer 1, bottom & top: Used for watchdog timer + */ +static struct davinci_timer_info da850_timer_info = { + .timers = da850_timer_instance, + .clockevent_id = T0_BOT, + .clocksource_id = T0_TOP, +}; + +static void da850_set_async3_src(int pllnum) +{ + struct clk *clk, *newparent = pllnum ? &pll1_sysclk2 : &pll0_sysclk2; + struct clk_lookup *c; + unsigned int v; + int ret; + + for (c = da850_clks; c->clk; c++) { + clk = c->clk; + if (clk->flags & DA850_CLK_ASYNC3) { + ret = clk_set_parent(clk, newparent); + WARN(ret, "DA850: unable to re-parent clock %s", + clk->name); + } + } + + v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG)); + if (pllnum) + v |= CFGCHIP3_ASYNC3_CLKSRC; + else + v &= ~CFGCHIP3_ASYNC3_CLKSRC; + __raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG)); +} + +#ifdef CONFIG_CPU_FREQ +/* + * Notes: + * According to the TRM, minimum PLLM results in maximum power savings. + * The OPP definitions below should keep the PLLM as low as possible. + * + * The output of the PLLM must be between 300 to 600 MHz. + */ +struct da850_opp { + unsigned int freq; /* in KHz */ + unsigned int prediv; + unsigned int mult; + unsigned int postdiv; + unsigned int cvdd_min; /* in uV */ + unsigned int cvdd_max; /* in uV */ +}; + +static const struct da850_opp da850_opp_456 = { + .freq = 456000, + .prediv = 1, + .mult = 19, + .postdiv = 1, + .cvdd_min = 1300000, + .cvdd_max = 1350000, +}; + +static const struct da850_opp da850_opp_408 = { + .freq = 408000, + .prediv = 1, + .mult = 17, + .postdiv = 1, + .cvdd_min = 1300000, + .cvdd_max = 1350000, +}; + +static const struct da850_opp da850_opp_372 = { + .freq = 372000, + .prediv = 2, + .mult = 31, + .postdiv = 1, + .cvdd_min = 1200000, + .cvdd_max = 1320000, +}; + +static const struct da850_opp da850_opp_300 = { + .freq = 300000, + .prediv = 1, + .mult = 25, + .postdiv = 2, + .cvdd_min = 1200000, + .cvdd_max = 1320000, +}; + +static const struct da850_opp da850_opp_200 = { + .freq = 200000, + .prediv = 1, + .mult = 25, + .postdiv = 3, + .cvdd_min = 1100000, + .cvdd_max = 1160000, +}; + +static const struct da850_opp da850_opp_96 = { + .freq = 96000, + .prediv = 1, + .mult = 20, + .postdiv = 5, + .cvdd_min = 1000000, + .cvdd_max = 1050000, +}; + +#define OPP(freq) \ + { \ + .driver_data = (unsigned int) &da850_opp_##freq, \ + .frequency = freq * 1000, \ + } + +static struct cpufreq_frequency_table da850_freq_table[] = { + OPP(456), + OPP(408), + OPP(372), + OPP(300), + OPP(200), + OPP(96), + { + .driver_data = 0, + .frequency = CPUFREQ_TABLE_END, + }, +}; + +#ifdef CONFIG_REGULATOR +static int da850_set_voltage(unsigned int index); +static int da850_regulator_init(void); +#endif + +static struct davinci_cpufreq_config cpufreq_info = { + .freq_table = da850_freq_table, +#ifdef CONFIG_REGULATOR + .init = da850_regulator_init, + .set_voltage = da850_set_voltage, +#endif +}; + +#ifdef CONFIG_REGULATOR +static struct regulator *cvdd; + +static int da850_set_voltage(unsigned int index) +{ + struct da850_opp *opp; + + if (!cvdd) + return -ENODEV; + + opp = (struct da850_opp *) cpufreq_info.freq_table[index].driver_data; + + return regulator_set_voltage(cvdd, opp->cvdd_min, opp->cvdd_max); +} + +static int da850_regulator_init(void) +{ + cvdd = regulator_get(NULL, "cvdd"); + if (WARN(IS_ERR(cvdd), "Unable to obtain voltage regulator for CVDD;" + " voltage scaling unsupported\n")) { + return PTR_ERR(cvdd); + } + + return 0; +} +#endif + +static struct platform_device da850_cpufreq_device = { + .name = "cpufreq-davinci", + .dev = { + .platform_data = &cpufreq_info, + }, + .id = -1, +}; + +unsigned int da850_max_speed = 300000; + +int da850_register_cpufreq(char *async_clk) +{ + int i; + + /* cpufreq driver can help keep an "async" clock constant */ + if (async_clk) + clk_add_alias("async", da850_cpufreq_device.name, + async_clk, NULL); + for (i = 0; i < ARRAY_SIZE(da850_freq_table); i++) { + if (da850_freq_table[i].frequency <= da850_max_speed) { + cpufreq_info.freq_table = &da850_freq_table[i]; + break; + } + } + + return platform_device_register(&da850_cpufreq_device); +} + +static int da850_round_armrate(struct clk *clk, unsigned long rate) +{ + int ret = 0, diff; + unsigned int best = (unsigned int) -1; + struct cpufreq_frequency_table *table = cpufreq_info.freq_table; + struct cpufreq_frequency_table *pos; + + rate /= 1000; /* convert to kHz */ + + cpufreq_for_each_entry(pos, table) { + diff = pos->frequency - rate; + if (diff < 0) + diff = -diff; + + if (diff < best) { + best = diff; + ret = pos->frequency; + } + } + + return ret * 1000; +} + +static int da850_set_armrate(struct clk *clk, unsigned long index) +{ + struct clk *pllclk = &pll0_clk; + + return clk_set_rate(pllclk, index); +} + +static int da850_set_pll0rate(struct clk *clk, unsigned long index) +{ + unsigned int prediv, mult, postdiv; + struct da850_opp *opp; + struct pll_data *pll = clk->pll_data; + int ret; + + opp = (struct da850_opp *) cpufreq_info.freq_table[index].driver_data; + prediv = opp->prediv; + mult = opp->mult; + postdiv = opp->postdiv; + + ret = davinci_set_pllrate(pll, prediv, mult, postdiv); + if (WARN_ON(ret)) + return ret; + + return 0; +} +#else +int __init da850_register_cpufreq(char *async_clk) +{ + return 0; +} + +static int da850_set_armrate(struct clk *clk, unsigned long rate) +{ + return -EINVAL; +} + +static int da850_set_pll0rate(struct clk *clk, unsigned long armrate) +{ + return -EINVAL; +} + +static int da850_round_armrate(struct clk *clk, unsigned long rate) +{ + return clk->rate; +} +#endif + +int __init da850_register_pm(struct platform_device *pdev) +{ + int ret; + struct davinci_pm_config *pdata = pdev->dev.platform_data; + + ret = davinci_cfg_reg(DA850_RTC_ALARM); + if (ret) + return ret; + + pdata->ddr2_ctlr_base = da8xx_get_mem_ctlr(); + pdata->deepsleep_reg = DA8XX_SYSCFG1_VIRT(DA8XX_DEEPSLEEP_REG); + pdata->ddrpsc_num = DA8XX_LPSC1_EMIF3C; + + pdata->cpupll_reg_base = ioremap(DA8XX_PLL0_BASE, SZ_4K); + if (!pdata->cpupll_reg_base) + return -ENOMEM; + + pdata->ddrpll_reg_base = ioremap(DA850_PLL1_BASE, SZ_4K); + if (!pdata->ddrpll_reg_base) { + ret = -ENOMEM; + goto no_ddrpll_mem; + } + + pdata->ddrpsc_reg_base = ioremap(DA8XX_PSC1_BASE, SZ_4K); + if (!pdata->ddrpsc_reg_base) { + ret = -ENOMEM; + goto no_ddrpsc_mem; + } + + return platform_device_register(pdev); + +no_ddrpsc_mem: + iounmap(pdata->ddrpll_reg_base); +no_ddrpll_mem: + iounmap(pdata->cpupll_reg_base); + return ret; +} + +/* VPIF resource, platform data */ +static u64 da850_vpif_dma_mask = DMA_BIT_MASK(32); + +static struct resource da850_vpif_resource[] = { + { + .start = DA8XX_VPIF_BASE, + .end = DA8XX_VPIF_BASE + 0xfff, + .flags = IORESOURCE_MEM, + } +}; + +static struct platform_device da850_vpif_dev = { + .name = "vpif", + .id = -1, + .dev = { + .dma_mask = &da850_vpif_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = da850_vpif_resource, + .num_resources = ARRAY_SIZE(da850_vpif_resource), +}; + +static struct resource da850_vpif_display_resource[] = { + { + .start = IRQ_DA850_VPIFINT, + .end = IRQ_DA850_VPIFINT, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device da850_vpif_display_dev = { + .name = "vpif_display", + .id = -1, + .dev = { + .dma_mask = &da850_vpif_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = da850_vpif_display_resource, + .num_resources = ARRAY_SIZE(da850_vpif_display_resource), +}; + +static struct resource da850_vpif_capture_resource[] = { + { + .start = IRQ_DA850_VPIFINT, + .end = IRQ_DA850_VPIFINT, + .flags = IORESOURCE_IRQ, + }, + { + .start = IRQ_DA850_VPIFINT, + .end = IRQ_DA850_VPIFINT, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device da850_vpif_capture_dev = { + .name = "vpif_capture", + .id = -1, + .dev = { + .dma_mask = &da850_vpif_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = da850_vpif_capture_resource, + .num_resources = ARRAY_SIZE(da850_vpif_capture_resource), +}; + +int __init da850_register_vpif(void) +{ + return platform_device_register(&da850_vpif_dev); +} + +int __init da850_register_vpif_display(struct vpif_display_config + *display_config) +{ + da850_vpif_display_dev.dev.platform_data = display_config; + return platform_device_register(&da850_vpif_display_dev); +} + +int __init da850_register_vpif_capture(struct vpif_capture_config + *capture_config) +{ + da850_vpif_capture_dev.dev.platform_data = capture_config; + return platform_device_register(&da850_vpif_capture_dev); +} + +static struct davinci_gpio_platform_data da850_gpio_platform_data = { + .ngpio = 144, +}; + +int __init da850_register_gpio(void) +{ + return da8xx_register_gpio(&da850_gpio_platform_data); +} + +static struct davinci_soc_info davinci_soc_info_da850 = { + .io_desc = da850_io_desc, + .io_desc_num = ARRAY_SIZE(da850_io_desc), + .jtag_id_reg = DA8XX_SYSCFG0_BASE + DA8XX_JTAG_ID_REG, + .ids = da850_ids, + .ids_num = ARRAY_SIZE(da850_ids), + .cpu_clks = da850_clks, + .psc_bases = da850_psc_bases, + .psc_bases_num = ARRAY_SIZE(da850_psc_bases), + .pinmux_base = DA8XX_SYSCFG0_BASE + 0x120, + .pinmux_pins = da850_pins, + .pinmux_pins_num = ARRAY_SIZE(da850_pins), + .intc_base = DA8XX_CP_INTC_BASE, + .intc_type = DAVINCI_INTC_TYPE_CP_INTC, + .intc_irq_prios = da850_default_priorities, + .intc_irq_num = DA850_N_CP_INTC_IRQ, + .timer_info = &da850_timer_info, + .emac_pdata = &da8xx_emac_pdata, + .sram_dma = DA8XX_SHARED_RAM_BASE, + .sram_len = SZ_128K, +}; + +void __init da850_init(void) +{ + unsigned int v; + + davinci_common_init(&davinci_soc_info_da850); + + da8xx_syscfg0_base = ioremap(DA8XX_SYSCFG0_BASE, SZ_4K); + if (WARN(!da8xx_syscfg0_base, "Unable to map syscfg0 module")) + return; + + da8xx_syscfg1_base = ioremap(DA8XX_SYSCFG1_BASE, SZ_4K); + if (WARN(!da8xx_syscfg1_base, "Unable to map syscfg1 module")) + return; + + /* + * Move the clock source of Async3 domain to PLL1 SYSCLK2. + * This helps keeping the peripherals on this domain insulated + * from CPU frequency changes caused by DVFS. The firmware sets + * both PLL0 and PLL1 to the same frequency so, there should not + * be any noticeable change even in non-DVFS use cases. + */ + da850_set_async3_src(1); + + /* Unlock writing to PLL0 registers */ + v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP0_REG)); + v &= ~CFGCHIP0_PLL_MASTER_LOCK; + __raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP0_REG)); + + /* Unlock writing to PLL1 registers */ + v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG)); + v &= ~CFGCHIP3_PLL1_MASTER_LOCK; + __raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG)); +} |