| /* |
| * 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 <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 <mach/gpio-davinci.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_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 pll1_sysclk4 = { |
| .name = "pll1_sysclk4", |
| .parent = &pll1_clk, |
| .flags = CLK_PLL, |
| .div_reg = PLLDIV4, |
| }; |
| |
| static struct clk pll1_sysclk5 = { |
| .name = "pll1_sysclk5", |
| .parent = &pll1_clk, |
| .flags = CLK_PLL, |
| .div_reg = PLLDIV5, |
| }; |
| |
| static struct clk pll1_sysclk6 = { |
| .name = "pll0_sysclk6", |
| .parent = &pll0_clk, |
| .flags = CLK_PLL, |
| .div_reg = PLLDIV6, |
| }; |
| |
| static struct clk pll1_sysclk7 = { |
| .name = "pll1_sysclk7", |
| .parent = &pll1_clk, |
| .flags = CLK_PLL, |
| .div_reg = PLLDIV7, |
| }; |
| |
| 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 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 sata_clk = { |
| .name = "sata", |
| .parent = &pll0_sysclk2, |
| .lpsc = DA850_LPSC1_SATA, |
| .gpsc = 1, |
| .flags = PSC_FORCE, |
| }; |
| |
| 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_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(NULL, "pll1_sysclk4", &pll1_sysclk4), |
| CLK(NULL, "pll1_sysclk5", &pll1_sysclk5), |
| CLK(NULL, "pll1_sysclk6", &pll1_sysclk6), |
| CLK(NULL, "pll1_sysclk7", &pll1_sysclk7), |
| CLK("i2c_davinci.1", NULL, &i2c0_clk), |
| CLK(NULL, "timer0", &timerp64_0_clk), |
| CLK("watchdog", 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(NULL, "uart0", &uart0_clk), |
| CLK(NULL, "uart1", &uart1_clk), |
| CLK(NULL, "uart2", &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-mcasp.0", NULL, &mcasp_clk), |
| CLK("da8xx_lcdc.0", NULL, &lcdc_clk), |
| CLK("davinci_mmc.0", NULL, &mmcsd0_clk), |
| CLK("davinci_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("ahci", NULL, &sata_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) |
| #endif |
| }; |
| |
| const short da850_i2c0_pins[] __initdata = { |
| DA850_I2C0_SDA, DA850_I2C0_SCL, |
| -1 |
| }; |
| |
| const short da850_i2c1_pins[] __initdata = { |
| DA850_I2C1_SCL, DA850_I2C1_SDA, |
| -1 |
| }; |
| |
| const short da850_lcdcntl_pins[] __initdata = { |
| 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 |
| }; |
| |
| /* 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 |
| }, |
| { |
| .virtual = SRAM_VIRT, |
| .pfn = __phys_to_pfn(DA8XX_ARM_RAM_BASE), |
| .length = SZ_8K, |
| .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) \ |
| { \ |
| .index = (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), |
| { |
| .index = 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].index; |
| |
| 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 __init 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 i, ret = 0, diff; |
| unsigned int best = (unsigned int) -1; |
| struct cpufreq_frequency_table *table = cpufreq_info.freq_table; |
| |
| rate /= 1000; /* convert to kHz */ |
| |
| for (i = 0; table[i].frequency != CPUFREQ_TABLE_END; i++) { |
| diff = table[i].frequency - rate; |
| if (diff < 0) |
| diff = -diff; |
| |
| if (diff < best) { |
| best = diff; |
| ret = table[i].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].index; |
| 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 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; |
| } |
| |
| 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, |
| .gpio_type = GPIO_TYPE_DAVINCI, |
| .gpio_base = DA8XX_GPIO_BASE, |
| .gpio_num = 144, |
| .gpio_irq = IRQ_DA8XX_GPIO0, |
| .serial_dev = &da8xx_serial_device, |
| .emac_pdata = &da8xx_emac_pdata, |
| .sram_dma = DA8XX_ARM_RAM_BASE, |
| .sram_len = SZ_8K, |
| .reset_device = &da8xx_wdt_device, |
| }; |
| |
| 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)); |
| } |
