416 lines
13 KiB
C
416 lines
13 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
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*
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* Based on:
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*
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* -------------------------------------------------------------------------
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*
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* linux/include/asm-arm/arch-davinci/hardware.h
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*
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* Copyright (C) 2006 Texas Instruments.
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*/
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#ifndef __ASM_ARCH_HARDWARE_H
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#define __ASM_ARCH_HARDWARE_H
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#include <linux/sizes.h>
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#define REG(addr) (*(volatile unsigned int *)(addr))
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#define REG_P(addr) ((volatile unsigned int *)(addr))
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#ifndef __ASSEMBLY__
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typedef volatile unsigned int dv_reg;
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typedef volatile unsigned int * dv_reg_p;
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#endif
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#define DAVINCI_UART0_BASE 0x01c42000
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#define DAVINCI_UART1_BASE 0x01d0c000
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#define DAVINCI_UART2_BASE 0x01d0d000
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#define DAVINCI_I2C0_BASE 0x01c22000
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#define DAVINCI_I2C1_BASE 0x01e28000
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#define DAVINCI_TIMER0_BASE 0x01c20000
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#define DAVINCI_TIMER1_BASE 0x01c21000
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#define DAVINCI_WDOG_BASE 0x01c21000
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#define DAVINCI_RTC_BASE 0x01c23000
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#define DAVINCI_PLL_CNTRL0_BASE 0x01c11000
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#define DAVINCI_PLL_CNTRL1_BASE 0x01e1a000
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#define DAVINCI_PSC0_BASE 0x01c10000
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#define DAVINCI_PSC1_BASE 0x01e27000
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#define DAVINCI_SPI0_BASE 0x01c41000
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#define DAVINCI_USB_OTG_BASE 0x01e00000
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#define DAVINCI_SPI1_BASE (cpu_is_da830() ? \
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0x01e12000 : 0x01f0e000)
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#define DAVINCI_GPIO_BASE 0x01e26000
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#define DAVINCI_EMAC_CNTRL_REGS_BASE 0x01e23000
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#define DAVINCI_EMAC_WRAPPER_CNTRL_REGS_BASE 0x01e22000
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#define DAVINCI_EMAC_WRAPPER_RAM_BASE 0x01e20000
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#define DAVINCI_MDIO_CNTRL_REGS_BASE 0x01e24000
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#define DAVINCI_SYSCFG1_BASE 0x01e2c000
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#define DAVINCI_MMC_SD0_BASE 0x01c40000
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#define DAVINCI_MMC_SD1_BASE 0x01e1b000
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#define DAVINCI_TIMER2_BASE 0x01f0c000
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#define DAVINCI_TIMER3_BASE 0x01f0d000
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#define DAVINCI_ASYNC_EMIF_CNTRL_BASE 0x68000000
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#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE 0x40000000
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#define DAVINCI_ASYNC_EMIF_DATA_CE2_BASE 0x60000000
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#define DAVINCI_ASYNC_EMIF_DATA_CE3_BASE 0x62000000
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#define DAVINCI_ASYNC_EMIF_DATA_CE4_BASE 0x64000000
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#define DAVINCI_ASYNC_EMIF_DATA_CE5_BASE 0x66000000
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#define DAVINCI_DDR_EMIF_CTRL_BASE 0xb0000000
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#define DAVINCI_DDR_EMIF_DATA_BASE 0xc0000000
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#define DAVINCI_INTC_BASE 0xfffee000
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#define DAVINCI_BOOTCFG_BASE 0x01c14000
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#define DAVINCI_LCD_CNTL_BASE 0x01e13000
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#define DAVINCI_L3CBARAM_BASE 0x80000000
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#define JTAG_ID_REG (DAVINCI_BOOTCFG_BASE + 0x18)
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#define CHIP_REV_ID_REG (DAVINCI_BOOTCFG_BASE + 0x24)
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#define HOST1CFG (DAVINCI_BOOTCFG_BASE + 0x44)
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#define PSC0_MDCTL (DAVINCI_PSC0_BASE + 0xa00)
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#define GPIO_BANK0_REG_DIR_ADDR (DAVINCI_GPIO_BASE + 0x10)
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#define GPIO_BANK0_REG_OPDATA_ADDR (DAVINCI_GPIO_BASE + 0x14)
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#define GPIO_BANK0_REG_SET_ADDR (DAVINCI_GPIO_BASE + 0x18)
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#define GPIO_BANK0_REG_CLR_ADDR (DAVINCI_GPIO_BASE + 0x1c)
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#define GPIO_BANK2_REG_DIR_ADDR (DAVINCI_GPIO_BASE + 0x38)
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#define GPIO_BANK2_REG_OPDATA_ADDR (DAVINCI_GPIO_BASE + 0x3c)
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#define GPIO_BANK2_REG_SET_ADDR (DAVINCI_GPIO_BASE + 0x40)
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#define GPIO_BANK2_REG_CLR_ADDR (DAVINCI_GPIO_BASE + 0x44)
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#define GPIO_BANK6_REG_DIR_ADDR (DAVINCI_GPIO_BASE + 0x88)
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#define GPIO_BANK6_REG_OPDATA_ADDR (DAVINCI_GPIO_BASE + 0x8c)
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#define GPIO_BANK6_REG_SET_ADDR (DAVINCI_GPIO_BASE + 0x90)
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#define GPIO_BANK6_REG_CLR_ADDR (DAVINCI_GPIO_BASE + 0x94)
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/* Power and Sleep Controller (PSC) Domains */
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#define DAVINCI_GPSC_ARMDOMAIN 0
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#define DAVINCI_GPSC_DSPDOMAIN 1
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#define DAVINCI_LPSC_TPCC 0
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#define DAVINCI_LPSC_TPTC0 1
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#define DAVINCI_LPSC_TPTC1 2
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#define DAVINCI_LPSC_AEMIF 3
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#define DAVINCI_LPSC_SPI0 4
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#define DAVINCI_LPSC_MMC_SD 5
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#define DAVINCI_LPSC_AINTC 6
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#define DAVINCI_LPSC_ARM_RAM_ROM 7
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#define DAVINCI_LPSC_SECCTL_KEYMGR 8
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#define DAVINCI_LPSC_UART0 9
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#define DAVINCI_LPSC_SCR0 10
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#define DAVINCI_LPSC_SCR1 11
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#define DAVINCI_LPSC_SCR2 12
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#define DAVINCI_LPSC_DMAX 13
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#define DAVINCI_LPSC_ARM 14
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#define DAVINCI_LPSC_GEM 15
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/* for LPSCs in PSC1, offset from 32 for differentiation */
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#define DAVINCI_LPSC_PSC1_BASE 32
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#define DAVINCI_LPSC_USB20 (DAVINCI_LPSC_PSC1_BASE + 1)
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#define DAVINCI_LPSC_USB11 (DAVINCI_LPSC_PSC1_BASE + 2)
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#define DAVINCI_LPSC_GPIO (DAVINCI_LPSC_PSC1_BASE + 3)
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#define DAVINCI_LPSC_UHPI (DAVINCI_LPSC_PSC1_BASE + 4)
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#define DAVINCI_LPSC_EMAC (DAVINCI_LPSC_PSC1_BASE + 5)
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#define DAVINCI_LPSC_DDR_EMIF (DAVINCI_LPSC_PSC1_BASE + 6)
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#define DAVINCI_LPSC_McASP0 (DAVINCI_LPSC_PSC1_BASE + 7)
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#define DAVINCI_LPSC_SPI1 (DAVINCI_LPSC_PSC1_BASE + 10)
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#define DAVINCI_LPSC_I2C1 (DAVINCI_LPSC_PSC1_BASE + 11)
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#define DAVINCI_LPSC_UART1 (DAVINCI_LPSC_PSC1_BASE + 12)
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#define DAVINCI_LPSC_UART2 (DAVINCI_LPSC_PSC1_BASE + 13)
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#define DAVINCI_LPSC_LCDC (DAVINCI_LPSC_PSC1_BASE + 16)
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#define DAVINCI_LPSC_ePWM (DAVINCI_LPSC_PSC1_BASE + 17)
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#define DAVINCI_LPSC_MMCSD1 (DAVINCI_LPSC_PSC1_BASE + 18)
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#define DAVINCI_LPSC_eCAP (DAVINCI_LPSC_PSC1_BASE + 20)
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#define DAVINCI_LPSC_L3_CBA_RAM (DAVINCI_LPSC_PSC1_BASE + 31)
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/* DA830-specific peripherals */
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#define DAVINCI_LPSC_McASP1 (DAVINCI_LPSC_PSC1_BASE + 8)
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#define DAVINCI_LPSC_McASP2 (DAVINCI_LPSC_PSC1_BASE + 9)
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#define DAVINCI_LPSC_eQEP (DAVINCI_LPSC_PSC1_BASE + 21)
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#define DAVINCI_LPSC_SCR8 (DAVINCI_LPSC_PSC1_BASE + 24)
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#define DAVINCI_LPSC_SCR7 (DAVINCI_LPSC_PSC1_BASE + 25)
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#define DAVINCI_LPSC_SCR12 (DAVINCI_LPSC_PSC1_BASE + 26)
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/* DA850-specific peripherals */
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#define DAVINCI_LPSC_TPCC1 (DAVINCI_LPSC_PSC1_BASE + 0)
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#define DAVINCI_LPSC_SATA (DAVINCI_LPSC_PSC1_BASE + 8)
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#define DAVINCI_LPSC_VPIF (DAVINCI_LPSC_PSC1_BASE + 9)
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#define DAVINCI_LPSC_McBSP0 (DAVINCI_LPSC_PSC1_BASE + 14)
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#define DAVINCI_LPSC_McBSP1 (DAVINCI_LPSC_PSC1_BASE + 15)
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#define DAVINCI_LPSC_MMC_SD1 (DAVINCI_LPSC_PSC1_BASE + 18)
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#define DAVINCI_LPSC_uPP (DAVINCI_LPSC_PSC1_BASE + 19)
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#define DAVINCI_LPSC_TPTC2 (DAVINCI_LPSC_PSC1_BASE + 21)
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#define DAVINCI_LPSC_SCR_F0 (DAVINCI_LPSC_PSC1_BASE + 24)
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#define DAVINCI_LPSC_SCR_F1 (DAVINCI_LPSC_PSC1_BASE + 25)
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#define DAVINCI_LPSC_SCR_F2 (DAVINCI_LPSC_PSC1_BASE + 26)
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#define DAVINCI_LPSC_SCR_F6 (DAVINCI_LPSC_PSC1_BASE + 27)
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#define DAVINCI_LPSC_SCR_F7 (DAVINCI_LPSC_PSC1_BASE + 28)
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#define DAVINCI_LPSC_SCR_F8 (DAVINCI_LPSC_PSC1_BASE + 29)
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#define DAVINCI_LPSC_BR_F7 (DAVINCI_LPSC_PSC1_BASE + 30)
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#ifndef __ASSEMBLY__
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void lpsc_on(unsigned int id);
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void lpsc_syncreset(unsigned int id);
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void lpsc_disable(unsigned int id);
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void dsp_on(void);
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void davinci_enable_uart0(void);
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void davinci_enable_emac(void);
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void davinci_enable_i2c(void);
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void davinci_errata_workarounds(void);
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#define PSC_ENABLE 0x3
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#define PSC_DISABLE 0x2
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#define PSC_SYNCRESET 0x1
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#define PSC_SWRSTDISABLE 0x0
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#define PSC_PSC0_MODULE_ID_CNT 16
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#define PSC_PSC1_MODULE_ID_CNT 32
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#define UART0_PWREMU_MGMT (0x01c42030)
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struct davinci_psc_regs {
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dv_reg revid;
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dv_reg rsvd0[71];
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dv_reg ptcmd;
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dv_reg rsvd1;
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dv_reg ptstat;
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dv_reg rsvd2[437];
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union {
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struct {
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dv_reg mdstat[PSC_PSC0_MODULE_ID_CNT];
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dv_reg rsvd3[112];
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dv_reg mdctl[PSC_PSC0_MODULE_ID_CNT];
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} psc0;
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struct {
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dv_reg mdstat[PSC_PSC1_MODULE_ID_CNT];
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dv_reg rsvd3[96];
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dv_reg mdctl[PSC_PSC1_MODULE_ID_CNT];
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} psc1;
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};
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};
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#define davinci_psc0_regs ((struct davinci_psc_regs *)DAVINCI_PSC0_BASE)
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#define davinci_psc1_regs ((struct davinci_psc_regs *)DAVINCI_PSC1_BASE)
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#define PSC_MDSTAT_STATE 0x3f
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#define PSC_MDCTL_NEXT 0x07
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struct davinci_pllc_regs {
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dv_reg revid;
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dv_reg rsvd1[56];
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dv_reg rstype;
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dv_reg rsvd2[6];
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dv_reg pllctl;
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dv_reg ocsel;
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dv_reg rsvd3[2];
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dv_reg pllm;
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dv_reg prediv;
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dv_reg plldiv1;
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dv_reg plldiv2;
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dv_reg plldiv3;
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dv_reg oscdiv;
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dv_reg postdiv;
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dv_reg rsvd4[3];
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dv_reg pllcmd;
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dv_reg pllstat;
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dv_reg alnctl;
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dv_reg dchange;
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dv_reg cken;
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dv_reg ckstat;
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dv_reg systat;
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dv_reg rsvd5[3];
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dv_reg plldiv4;
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dv_reg plldiv5;
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dv_reg plldiv6;
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dv_reg plldiv7;
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dv_reg rsvd6[32];
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dv_reg emucnt0;
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dv_reg emucnt1;
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};
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#define davinci_pllc0_regs ((struct davinci_pllc_regs *)DAVINCI_PLL_CNTRL0_BASE)
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#define davinci_pllc1_regs ((struct davinci_pllc_regs *)DAVINCI_PLL_CNTRL1_BASE)
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#define DAVINCI_PLLC_DIV_MASK 0x1f
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/*
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* A clock ID is a 32-bit number where bit 16 represents the PLL controller
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* (clear is PLLC0, set is PLLC1) and the low 16 bits represent the divisor,
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* counting from 1. Clock IDs may be passed to clk_get().
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*/
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/* flags to select PLL controller */
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#define DAVINCI_PLLC0_FLAG (0)
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#define DAVINCI_PLLC1_FLAG (1 << 16)
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enum davinci_clk_ids {
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/*
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* Clock IDs for PLL outputs. Each may be switched on/off
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* independently, and each may map to one or more peripherals.
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*/
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DAVINCI_PLL0_SYSCLK2 = DAVINCI_PLLC0_FLAG | 2,
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DAVINCI_PLL0_SYSCLK4 = DAVINCI_PLLC0_FLAG | 4,
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DAVINCI_PLL0_SYSCLK6 = DAVINCI_PLLC0_FLAG | 6,
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DAVINCI_PLL1_SYSCLK1 = DAVINCI_PLLC1_FLAG | 1,
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DAVINCI_PLL1_SYSCLK2 = DAVINCI_PLLC1_FLAG | 2,
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/* map peripherals to clock IDs */
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DAVINCI_ARM_CLKID = DAVINCI_PLL0_SYSCLK6,
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DAVINCI_DDR_CLKID = DAVINCI_PLL1_SYSCLK1,
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DAVINCI_MDIO_CLKID = DAVINCI_PLL0_SYSCLK4,
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DAVINCI_MMC_CLKID = DAVINCI_PLL0_SYSCLK2,
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DAVINCI_SPI0_CLKID = DAVINCI_PLL0_SYSCLK2,
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DAVINCI_MMCSD_CLKID = DAVINCI_PLL0_SYSCLK2,
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/* special clock ID - output of PLL multiplier */
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DAVINCI_PLLM_CLKID = 0x0FF,
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/* special clock ID - output of PLL post divisor */
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DAVINCI_PLLC_CLKID = 0x100,
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/* special clock ID - PLL bypass */
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DAVINCI_AUXCLK_CLKID = 0x101,
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};
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#define DAVINCI_UART2_CLKID (cpu_is_da830() ? DAVINCI_PLL0_SYSCLK2 \
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: get_async3_src())
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#define DAVINCI_SPI1_CLKID (cpu_is_da830() ? DAVINCI_PLL0_SYSCLK2 \
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: get_async3_src())
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int clk_get(enum davinci_clk_ids id);
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/* Boot config */
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struct davinci_syscfg_regs {
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dv_reg revid;
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dv_reg rsvd[7];
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dv_reg bootcfg;
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dv_reg chiprevidr;
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dv_reg rsvd2[4];
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dv_reg kick0;
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dv_reg kick1;
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dv_reg rsvd1[52];
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dv_reg mstpri[3];
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dv_reg rsvd3;
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dv_reg pinmux[20];
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dv_reg suspsrc;
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dv_reg chipsig;
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dv_reg chipsig_clr;
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dv_reg cfgchip0;
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dv_reg cfgchip1;
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dv_reg cfgchip2;
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dv_reg cfgchip3;
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dv_reg cfgchip4;
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};
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#define davinci_syscfg_regs \
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((struct davinci_syscfg_regs *)DAVINCI_BOOTCFG_BASE)
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enum {
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DAVINCI_NAND8_BOOT = 0b001110,
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DAVINCI_NAND16_BOOT = 0b010000,
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DAVINCI_SD_OR_MMC_BOOT = 0b011100,
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DAVINCI_MMC_ONLY_BOOT = 0b111100,
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DAVINCI_SPI0_FLASH_BOOT = 0b001010,
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DAVINCI_SPI1_FLASH_BOOT = 0b001100,
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};
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#define pinmux(x) (&davinci_syscfg_regs->pinmux[x])
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/* Emulation suspend bits */
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#define DAVINCI_SYSCFG_SUSPSRC_EMAC (1 << 5)
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#define DAVINCI_SYSCFG_SUSPSRC_I2C (1 << 16)
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#define DAVINCI_SYSCFG_SUSPSRC_SPI0 (1 << 21)
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#define DAVINCI_SYSCFG_SUSPSRC_SPI1 (1 << 22)
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#define DAVINCI_SYSCFG_SUSPSRC_UART0 (1 << 18)
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#define DAVINCI_SYSCFG_SUSPSRC_UART1 (1 << 19)
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#define DAVINCI_SYSCFG_SUSPSRC_UART2 (1 << 20)
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#define DAVINCI_SYSCFG_SUSPSRC_TIMER0 (1 << 27)
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struct davinci_syscfg1_regs {
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dv_reg vtpio_ctl;
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dv_reg ddr_slew;
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dv_reg deepsleep;
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dv_reg pupd_ena;
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dv_reg pupd_sel;
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dv_reg rxactive;
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dv_reg pwrdwn;
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};
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#define davinci_syscfg1_regs \
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((struct davinci_syscfg1_regs *)DAVINCI_SYSCFG1_BASE)
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#define DDR_SLEW_CMOSEN_BIT 4
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#define DDR_SLEW_DDR_PDENA_BIT 5
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#define VTP_POWERDWN (1 << 6)
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#define VTP_LOCK (1 << 7)
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#define VTP_CLKRZ (1 << 13)
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#define VTP_READY (1 << 15)
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#define VTP_IOPWRDWN (1 << 14)
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#define DV_SYSCFG_KICK0_UNLOCK 0x83e70b13
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#define DV_SYSCFG_KICK1_UNLOCK 0x95a4f1e0
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/* Interrupt controller */
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struct davinci_aintc_regs {
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dv_reg revid;
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dv_reg cr;
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dv_reg dummy0[2];
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dv_reg ger;
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dv_reg dummy1[219];
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dv_reg ecr1;
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dv_reg ecr2;
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dv_reg ecr3;
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dv_reg dummy2[1117];
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dv_reg hier;
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};
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#define davinci_aintc_regs ((struct davinci_aintc_regs *)DAVINCI_INTC_BASE)
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struct davinci_uart_ctrl_regs {
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dv_reg revid1;
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dv_reg revid2;
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dv_reg pwremu_mgmt;
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dv_reg mdr;
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};
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#define DAVINCI_UART_CTRL_BASE 0x28
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#define DAVINCI_UART0_CTRL_ADDR (DAVINCI_UART0_BASE + DAVINCI_UART_CTRL_BASE)
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#define DAVINCI_UART1_CTRL_ADDR (DAVINCI_UART1_BASE + DAVINCI_UART_CTRL_BASE)
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#define DAVINCI_UART2_CTRL_ADDR (DAVINCI_UART2_BASE + DAVINCI_UART_CTRL_BASE)
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#define davinci_uart0_ctrl_regs \
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((struct davinci_uart_ctrl_regs *)DAVINCI_UART0_CTRL_ADDR)
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#define davinci_uart1_ctrl_regs \
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((struct davinci_uart_ctrl_regs *)DAVINCI_UART1_CTRL_ADDR)
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#define davinci_uart2_ctrl_regs \
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((struct davinci_uart_ctrl_regs *)DAVINCI_UART2_CTRL_ADDR)
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/* UART PWREMU_MGMT definitions */
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#define DAVINCI_UART_PWREMU_MGMT_FREE (1 << 0)
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#define DAVINCI_UART_PWREMU_MGMT_URRST (1 << 13)
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#define DAVINCI_UART_PWREMU_MGMT_UTRST (1 << 14)
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static inline int cpu_is_da830(void)
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{
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unsigned int jtag_id = REG(JTAG_ID_REG);
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unsigned short part_no = (jtag_id >> 12) & 0xffff;
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return ((part_no == 0xb7df) ? 1 : 0);
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}
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static inline int cpu_is_da850(void)
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{
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unsigned int jtag_id = REG(JTAG_ID_REG);
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unsigned short part_no = (jtag_id >> 12) & 0xffff;
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return ((part_no == 0xb7d1) ? 1 : 0);
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}
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static inline enum davinci_clk_ids get_async3_src(void)
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{
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return (REG(&davinci_syscfg_regs->cfgchip3) & 0x10) ?
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DAVINCI_PLL1_SYSCLK2 : DAVINCI_PLL0_SYSCLK2;
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}
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#endif /* !__ASSEMBLY__ */
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#endif /* __ASM_ARCH_HARDWARE_H */
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