diff options
Diffstat (limited to 'arch/arm/include/asm/arch-davinci')
| -rw-r--r-- | arch/arm/include/asm/arch-davinci/da8xx-usb.h | 105 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-davinci/hardware.h | 60 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-davinci/pinmux_defs.h | 4 |
3 files changed, 155 insertions, 14 deletions
diff --git a/arch/arm/include/asm/arch-davinci/da8xx-usb.h b/arch/arm/include/asm/arch-davinci/da8xx-usb.h new file mode 100644 index 0000000000..eb79bf8b90 --- /dev/null +++ b/arch/arm/include/asm/arch-davinci/da8xx-usb.h @@ -0,0 +1,105 @@ +/* + * da8xx-usb.h -- TI's DA8xx platform specific usb wrapper definitions. + * + * Author: Ajay Kumar Gupta <ajay.gupta@ti.com> + * + * Based on drivers/usb/musb/davinci.h + * + * Copyright (C) 2009 Texas Instruments Incorporated + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ +#ifndef __DA8XX_MUSB_H__ +#define __DA8XX_MUSB_H__ + +#include <asm/arch/hardware.h> +#include <asm/arch/gpio.h> + +/* Base address of da8xx usb0 wrapper */ +#define DA8XX_USB_OTG_BASE 0x01E00000 + +/* Base address of da8xx musb core */ +#define DA8XX_USB_OTG_CORE_BASE (DA8XX_USB_OTG_BASE + 0x400) + +/* Timeout for DA8xx usb module */ +#define DA8XX_USB_OTG_TIMEOUT 0x3FFFFFF + +/* + * DA8xx platform USB wrapper register overlay. + */ +struct da8xx_usb_regs { + dv_reg revision; + dv_reg control; + dv_reg status; + dv_reg emulation; + dv_reg mode; + dv_reg autoreq; + dv_reg srpfixtime; + dv_reg teardown; + dv_reg intsrc; + dv_reg intsrc_set; + dv_reg intsrc_clr; + dv_reg intmsk; + dv_reg intmsk_set; + dv_reg intmsk_clr; + dv_reg intsrcmsk; + dv_reg eoi; + dv_reg intvector; + dv_reg grndis_size[4]; +}; + +#define da8xx_usb_regs ((struct da8xx_usb_regs *)DA8XX_USB_OTG_BASE) + +/* DA8XX interrupt bits definitions */ +#define DA8XX_USB_TX_ENDPTS_MASK 0x1f /* ep0 + 4 tx */ +#define DA8XX_USB_RX_ENDPTS_MASK 0x1e /* 4 rx */ +#define DA8XX_USB_TXINT_SHIFT 0 +#define DA8XX_USB_RXINT_SHIFT 8 + +#define DA8XX_USB_USBINT_MASK 0x01ff0000 /* 8 Mentor, DRVVBUS */ +#define DA8XX_USB_TXINT_MASK \ + (DA8XX_USB_TX_ENDPTS_MASK << DA8XX_USB_TXINT_SHIFT) +#define DA8XX_USB_RXINT_MASK \ + (DA8XX_USB_RX_ENDPTS_MASK << DA8XX_USB_RXINT_SHIFT) + +/* DA8xx CFGCHIP2 (USB 2.0 PHY Control) register bits */ +#define CFGCHIP2_PHYCLKGD (1 << 17) +#define CFGCHIP2_VBUSSENSE (1 << 16) +#define CFGCHIP2_RESET (1 << 15) +#define CFGCHIP2_OTGMODE (3 << 13) +#define CFGCHIP2_NO_OVERRIDE (0 << 13) +#define CFGCHIP2_FORCE_HOST (1 << 13) +#define CFGCHIP2_FORCE_DEVICE (2 << 13) +#define CFGCHIP2_FORCE_HOST_VBUS_LOW (3 << 13) +#define CFGCHIP2_USB1PHYCLKMUX (1 << 12) +#define CFGCHIP2_USB2PHYCLKMUX (1 << 11) +#define CFGCHIP2_PHYPWRDN (1 << 10) +#define CFGCHIP2_OTGPWRDN (1 << 9) +#define CFGCHIP2_DATPOL (1 << 8) +#define CFGCHIP2_USB1SUSPENDM (1 << 7) +#define CFGCHIP2_PHY_PLLON (1 << 6) /* override PLL suspend */ +#define CFGCHIP2_SESENDEN (1 << 5) /* Vsess_end comparator */ +#define CFGCHIP2_VBDTCTEN (1 << 4) /* Vbus comparator */ +#define CFGCHIP2_REFFREQ (0xf << 0) +#define CFGCHIP2_REFFREQ_12MHZ (1 << 0) +#define CFGCHIP2_REFFREQ_24MHZ (2 << 0) +#define CFGCHIP2_REFFREQ_48MHZ (3 << 0) + +#define DA8XX_USB_VBUS_GPIO (1 << 15) + +int usb_phy_on(void); +void usb_phy_off(void); + +#endif /* __DA8XX_MUSB_H__ */ diff --git a/arch/arm/include/asm/arch-davinci/hardware.h b/arch/arm/include/asm/arch-davinci/hardware.h index b145c6e7f1..6eed6c95a7 100644 --- a/arch/arm/include/asm/arch-davinci/hardware.h +++ b/arch/arm/include/asm/arch-davinci/hardware.h @@ -306,6 +306,7 @@ typedef volatile unsigned int * dv_reg_p; void lpsc_on(unsigned int id); void lpsc_syncreset(unsigned int id); +void lpsc_disable(unsigned int id); void dsp_on(void); void davinci_enable_uart0(void); @@ -441,21 +442,51 @@ struct davinci_pllc_regs { #define davinci_pllc1_regs ((struct davinci_pllc_regs *)DAVINCI_PLL_CNTRL1_BASE) #define DAVINCI_PLLC_DIV_MASK 0x1f -#define ASYNC3 get_async3_src() -#define PLL1_SYSCLK2 ((1 << 16) | 0x2) -#define DAVINCI_SPI1_CLKID (cpu_is_da830() ? 2 : ASYNC3) -/* Clock IDs */ +/* + * A clock ID is a 32-bit number where bit 16 represents the PLL controller + * (clear is PLLC0, set is PLLC1) and the low 16 bits represent the divisor, + * counting from 1. Clock IDs may be passed to clk_get(). + */ + +/* flags to select PLL controller */ +#define DAVINCI_PLLC0_FLAG (0) +#define DAVINCI_PLLC1_FLAG (1 << 16) + enum davinci_clk_ids { - DAVINCI_SPI0_CLKID = 2, - DAVINCI_UART2_CLKID = 2, - DAVINCI_MMC_CLKID = 2, - DAVINCI_MDIO_CLKID = 4, - DAVINCI_ARM_CLKID = 6, - DAVINCI_PLLM_CLKID = 0xff, - DAVINCI_PLLC_CLKID = 0x100, - DAVINCI_AUXCLK_CLKID = 0x101 + /* + * Clock IDs for PLL outputs. Each may be switched on/off + * independently, and each may map to one or more peripherals. + */ + DAVINCI_PLL0_SYSCLK2 = DAVINCI_PLLC0_FLAG | 2, + DAVINCI_PLL0_SYSCLK4 = DAVINCI_PLLC0_FLAG | 4, + DAVINCI_PLL0_SYSCLK6 = DAVINCI_PLLC0_FLAG | 6, + DAVINCI_PLL1_SYSCLK1 = DAVINCI_PLLC1_FLAG | 1, + DAVINCI_PLL1_SYSCLK2 = DAVINCI_PLLC1_FLAG | 2, + + /* map peripherals to clock IDs */ + DAVINCI_ARM_CLKID = DAVINCI_PLL0_SYSCLK6, + DAVINCI_DDR_CLKID = DAVINCI_PLL1_SYSCLK1, + DAVINCI_MDIO_CLKID = DAVINCI_PLL0_SYSCLK4, + DAVINCI_MMC_CLKID = DAVINCI_PLL0_SYSCLK2, + DAVINCI_SPI0_CLKID = DAVINCI_PLL0_SYSCLK2, + DAVINCI_MMCSD_CLKID = DAVINCI_PLL0_SYSCLK2, + + /* special clock ID - output of PLL multiplier */ + DAVINCI_PLLM_CLKID = 0x0FF, + + /* special clock ID - output of PLL post divisor */ + DAVINCI_PLLC_CLKID = 0x100, + + /* special clock ID - PLL bypass */ + DAVINCI_AUXCLK_CLKID = 0x101, }; +#define DAVINCI_UART2_CLKID (cpu_is_da830() ? DAVINCI_PLL0_SYSCLK2 \ + : get_async3_src()) + +#define DAVINCI_SPI1_CLKID (cpu_is_da830() ? DAVINCI_PLL0_SYSCLK2 \ + : get_async3_src()) + int clk_get(enum davinci_clk_ids id); /* Boot config */ @@ -505,6 +536,7 @@ struct davinci_syscfg1_regs { ((struct davinci_syscfg1_regs *)DAVINCI_SYSCFG1_BASE) #define DDR_SLEW_CMOSEN_BIT 4 +#define DDR_SLEW_DDR_PDENA_BIT 5 #define VTP_POWERDWN (1 << 6) #define VTP_LOCK (1 << 7) @@ -570,10 +602,10 @@ static inline int cpu_is_da850(void) return ((part_no == 0xb7d1) ? 1 : 0); } -static inline int get_async3_src(void) +static inline enum davinci_clk_ids get_async3_src(void) { return (REG(&davinci_syscfg_regs->cfgchip3) & 0x10) ? - PLL1_SYSCLK2 : 2; + DAVINCI_PLL1_SYSCLK2 : DAVINCI_PLL0_SYSCLK2; } #endif /* CONFIG_SOC_DA8XX */ diff --git a/arch/arm/include/asm/arch-davinci/pinmux_defs.h b/arch/arm/include/asm/arch-davinci/pinmux_defs.h index 07aceaab03..a851f1f50f 100644 --- a/arch/arm/include/asm/arch-davinci/pinmux_defs.h +++ b/arch/arm/include/asm/arch-davinci/pinmux_defs.h @@ -28,6 +28,7 @@ extern const struct pinmux_config spi1_pins_base[3]; extern const struct pinmux_config spi1_pins_scs0[1]; /* UART pin muxer settings */ +extern const struct pinmux_config uart0_pins_txrx[2]; extern const struct pinmux_config uart1_pins_txrx[2]; extern const struct pinmux_config uart2_pins_txrx[2]; extern const struct pinmux_config uart2_pins_rtscts[2]; @@ -48,4 +49,7 @@ extern const struct pinmux_config emifa_pins_cs4[1]; extern const struct pinmux_config emifa_pins_nand[12]; extern const struct pinmux_config emifa_pins_nor[43]; +/* MMC pin muxer settings */ +extern const struct pinmux_config mmc0_pins[6]; + #endif |