diff options
Diffstat (limited to 'arch/arm/mach-davinci/da850.c')
| -rw-r--r-- | arch/arm/mach-davinci/da850.c | 767 |
1 files changed, 767 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..635e88daf --- /dev/null +++ b/arch/arm/mach-davinci/da850.c @@ -0,0 +1,767 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * TI DA850/OMAP-L138 chip specific setup + * + * Copyright (C) 2009 Texas Instruments Incorporated - https://www.ti.com/ + * + * Derived from: arch/arm/mach-davinci/da830.c + * Original Copyrights follow: + * + * 2009 (c) MontaVista Software, Inc. + */ + +#include <linux/clk-provider.h> +#include <linux/clk/davinci.h> +#include <linux/clkdev.h> +#include <linux/cpufreq.h> +#include <linux/gpio.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/irqchip/irq-davinci-cp-intc.h> +#include <linux/mfd/da8xx-cfgchip.h> +#include <linux/platform_data/clk-da8xx-cfgchip.h> +#include <linux/platform_data/clk-davinci-pll.h> +#include <linux/platform_data/davinci-cpufreq.h> +#include <linux/platform_data/gpio-davinci.h> +#include <linux/platform_device.h> +#include <linux/regmap.h> +#include <linux/regulator/consumer.h> +#include <clocksource/timer-davinci.h> + +#include <asm/mach/map.h> + +#include "common.h" +#include "cputype.h" +#include "da8xx.h" +#include "pm.h" +#include "irqs.h" +#include "mux.h" + +#define DA850_PLL1_BASE 0x01e1a000 +#define DA850_TIMER64P2_BASE 0x01f0c000 +#define DA850_TIMER64P3_BASE 0x01f0d000 + +#define DA850_REF_FREQ 24000000 + +/* + * 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[] __initconst = { + 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[] __initconst = { + 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 +}; + +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 + }, +}; + +/* 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", + }, +}; + +/* + * Bottom half of timer 0 is used for clock_event, top half for + * clocksource. + */ +static const struct davinci_timer_cfg da850_timer_cfg = { + .reg = DEFINE_RES_IO(DA8XX_TIMER64P0_BASE, SZ_4K), + .irq = { + DEFINE_RES_IRQ(DAVINCI_INTC_IRQ(IRQ_DA8XX_TINT12_0)), + DEFINE_RES_IRQ(DAVINCI_INTC_IRQ(IRQ_DA8XX_TINT34_0)), + }, +}; + +#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); +} +#else +int __init da850_register_cpufreq(char *async_clk) +{ + return 0; +} +#endif + +/* 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 = DAVINCI_INTC_IRQ(IRQ_DA850_VPIFINT), + .end = DAVINCI_INTC_IRQ(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 = DAVINCI_INTC_IRQ(IRQ_DA850_VPIFINT), + .end = DAVINCI_INTC_IRQ(IRQ_DA850_VPIFINT), + .flags = IORESOURCE_IRQ, + }, + { + .start = DAVINCI_INTC_IRQ(IRQ_DA850_VPIFINT), + .end = DAVINCI_INTC_IRQ(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 = { + .no_auto_base = true, + .base = 0, + .ngpio = 144, +}; + +int __init da850_register_gpio(void) +{ + return da8xx_register_gpio(&da850_gpio_platform_data); +} + +static const 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), + .pinmux_base = DA8XX_SYSCFG0_BASE + 0x120, + .pinmux_pins = da850_pins, + .pinmux_pins_num = ARRAY_SIZE(da850_pins), + .emac_pdata = &da8xx_emac_pdata, + .sram_dma = DA8XX_SHARED_RAM_BASE, + .sram_len = SZ_128K, +}; + +void __init da850_init(void) +{ + 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); + WARN(!da8xx_syscfg1_base, "Unable to map syscfg1 module"); +} + +static const struct davinci_cp_intc_config da850_cp_intc_config = { + .reg = { + .start = DA8XX_CP_INTC_BASE, + .end = DA8XX_CP_INTC_BASE + SZ_8K - 1, + .flags = IORESOURCE_MEM, + }, + .num_irqs = DA850_N_CP_INTC_IRQ, +}; + +void __init da850_init_irq(void) +{ + davinci_cp_intc_init(&da850_cp_intc_config); +} + +void __init da850_init_time(void) +{ + void __iomem *pll0; + struct regmap *cfgchip; + struct clk *clk; + int rv; + + clk_register_fixed_rate(NULL, "ref_clk", NULL, 0, DA850_REF_FREQ); + + pll0 = ioremap(DA8XX_PLL0_BASE, SZ_4K); + cfgchip = da8xx_get_cfgchip(); + + da850_pll0_init(NULL, pll0, cfgchip); + + clk = clk_get(NULL, "timer0"); + if (WARN_ON(IS_ERR(clk))) { + pr_err("Unable to get the timer clock\n"); + return; + } + + rv = davinci_timer_register(clk, &da850_timer_cfg); + WARN(rv, "Unable to register the timer: %d\n", rv); +} + +static struct resource da850_pll1_resources[] = { + { + .start = DA850_PLL1_BASE, + .end = DA850_PLL1_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct davinci_pll_platform_data da850_pll1_pdata; + +static struct platform_device da850_pll1_device = { + .name = "da850-pll1", + .id = -1, + .resource = da850_pll1_resources, + .num_resources = ARRAY_SIZE(da850_pll1_resources), + .dev = { + .platform_data = &da850_pll1_pdata, + }, +}; + +static struct resource da850_psc0_resources[] = { + { + .start = DA8XX_PSC0_BASE, + .end = DA8XX_PSC0_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device da850_psc0_device = { + .name = "da850-psc0", + .id = -1, + .resource = da850_psc0_resources, + .num_resources = ARRAY_SIZE(da850_psc0_resources), +}; + +static struct resource da850_psc1_resources[] = { + { + .start = DA8XX_PSC1_BASE, + .end = DA8XX_PSC1_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device da850_psc1_device = { + .name = "da850-psc1", + .id = -1, + .resource = da850_psc1_resources, + .num_resources = ARRAY_SIZE(da850_psc1_resources), +}; + +static struct da8xx_cfgchip_clk_platform_data da850_async1_pdata; + +static struct platform_device da850_async1_clksrc_device = { + .name = "da850-async1-clksrc", + .id = -1, + .dev = { + .platform_data = &da850_async1_pdata, + }, +}; + +static struct da8xx_cfgchip_clk_platform_data da850_async3_pdata; + +static struct platform_device da850_async3_clksrc_device = { + .name = "da850-async3-clksrc", + .id = -1, + .dev = { + .platform_data = &da850_async3_pdata, + }, +}; + +static struct da8xx_cfgchip_clk_platform_data da850_tbclksync_pdata; + +static struct platform_device da850_tbclksync_device = { + .name = "da830-tbclksync", + .id = -1, + .dev = { + .platform_data = &da850_tbclksync_pdata, + }, +}; + +void __init da850_register_clocks(void) +{ + /* PLL0 is registered in da850_init_time() */ + + da850_pll1_pdata.cfgchip = da8xx_get_cfgchip(); + platform_device_register(&da850_pll1_device); + + da850_async1_pdata.cfgchip = da8xx_get_cfgchip(); + platform_device_register(&da850_async1_clksrc_device); + + da850_async3_pdata.cfgchip = da8xx_get_cfgchip(); + platform_device_register(&da850_async3_clksrc_device); + + platform_device_register(&da850_psc0_device); + + platform_device_register(&da850_psc1_device); + + da850_tbclksync_pdata.cfgchip = da8xx_get_cfgchip(); + platform_device_register(&da850_tbclksync_device); +} |