/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2007 Simtec Electronics * Ben Dooks * http://armlinux.simtec.co.uk/ * * S3C2443 clock register definitions */ #ifndef __ASM_ARM_REGS_S3C2443_CLOCK #define __ASM_ARM_REGS_S3C2443_CLOCK #include #include "map-s3c.h" #define S3C2443_CLKREG(x) ((x) + S3C24XX_VA_CLKPWR) #define S3C2443_PLLCON_MDIVSHIFT 16 #define S3C2443_PLLCON_PDIVSHIFT 8 #define S3C2443_PLLCON_SDIVSHIFT 0 #define S3C2443_PLLCON_MDIVMASK ((1<<(1+(23-16)))-1) #define S3C2443_PLLCON_PDIVMASK ((1<<(1+(9-8)))-1) #define S3C2443_PLLCON_SDIVMASK (3) #define S3C2443_MPLLCON S3C2443_CLKREG(0x10) #define S3C2443_EPLLCON S3C2443_CLKREG(0x18) #define S3C2443_CLKSRC S3C2443_CLKREG(0x20) #define S3C2443_CLKDIV0 S3C2443_CLKREG(0x24) #define S3C2443_CLKDIV1 S3C2443_CLKREG(0x28) #define S3C2443_HCLKCON S3C2443_CLKREG(0x30) #define S3C2443_PCLKCON S3C2443_CLKREG(0x34) #define S3C2443_SCLKCON S3C2443_CLKREG(0x38) #define S3C2443_PWRMODE S3C2443_CLKREG(0x40) #define S3C2443_SWRST S3C2443_CLKREG(0x44) #define S3C2443_BUSPRI0 S3C2443_CLKREG(0x50) #define S3C2443_SYSID S3C2443_CLKREG(0x5C) #define S3C2443_PWRCFG S3C2443_CLKREG(0x60) #define S3C2443_RSTCON S3C2443_CLKREG(0x64) #define S3C2443_PHYCTRL S3C2443_CLKREG(0x80) #define S3C2443_PHYPWR S3C2443_CLKREG(0x84) #define S3C2443_URSTCON S3C2443_CLKREG(0x88) #define S3C2443_UCLKCON S3C2443_CLKREG(0x8C) #define S3C2443_PLLCON_OFF (1<<24) #define S3C2443_CLKSRC_EPLLREF_XTAL (2<<7) #define S3C2443_CLKSRC_EPLLREF_EXTCLK (3<<7) #define S3C2443_CLKSRC_EPLLREF_MPLLREF (0<<7) #define S3C2443_CLKSRC_EPLLREF_MPLLREF2 (1<<7) #define S3C2443_CLKSRC_EPLLREF_MASK (3<<7) #define S3C2443_CLKSRC_EXTCLK_DIV (1<<3) #define S3C2443_CLKDIV0_HALF_HCLK (1<<3) #define S3C2443_CLKDIV0_HALF_PCLK (1<<2) #define S3C2443_CLKDIV0_HCLKDIV_MASK (3<<0) #define S3C2443_CLKDIV0_EXTDIV_MASK (3<<6) #define S3C2443_CLKDIV0_EXTDIV_SHIFT (6) #define S3C2443_CLKDIV0_PREDIV_MASK (3<<4) #define S3C2443_CLKDIV0_PREDIV_SHIFT (4) #define S3C2416_CLKDIV0_ARMDIV_MASK (7 << 9) #define S3C2443_CLKDIV0_ARMDIV_MASK (15<<9) #define S3C2443_CLKDIV0_ARMDIV_SHIFT (9) #define S3C2443_CLKDIV0_ARMDIV_1 (0<<9) #define S3C2443_CLKDIV0_ARMDIV_2 (8<<9) #define S3C2443_CLKDIV0_ARMDIV_3 (2<<9) #define S3C2443_CLKDIV0_ARMDIV_4 (9<<9) #define S3C2443_CLKDIV0_ARMDIV_6 (10<<9) #define S3C2443_CLKDIV0_ARMDIV_8 (11<<9) #define S3C2443_CLKDIV0_ARMDIV_12 (13<<9) #define S3C2443_CLKDIV0_ARMDIV_16 (15<<9) /* S3C2443_CLKDIV1 removed, only used in clock.c code */ #define S3C2443_CLKCON_NAND #define S3C2443_HCLKCON_DMA0 (1<<0) #define S3C2443_HCLKCON_DMA1 (1<<1) #define S3C2443_HCLKCON_DMA2 (1<<2) #define S3C2443_HCLKCON_DMA3 (1<<3) #define S3C2443_HCLKCON_DMA4 (1<<4) #define S3C2443_HCLKCON_DMA5 (1<<5) #define S3C2443_HCLKCON_CAMIF (1<<8) #define S3C2443_HCLKCON_LCDC (1<<9) #define S3C2443_HCLKCON_USBH (1<<11) #define S3C2443_HCLKCON_USBD (1<<12) #define S3C2416_HCLKCON_HSMMC0 (1<<15) #define S3C2443_HCLKCON_HSMMC (1<<16) #define S3C2443_HCLKCON_CFC (1<<17) #define S3C2443_HCLKCON_SSMC (1<<18) #define S3C2443_HCLKCON_DRAMC (1<<19) #define S3C2443_PCLKCON_UART0 (1<<0) #define S3C2443_PCLKCON_UART1 (1<<1) #define S3C2443_PCLKCON_UART2 (1<<2) #define S3C2443_PCLKCON_UART3 (1<<3) #define S3C2443_PCLKCON_IIC (1<<4) #define S3C2443_PCLKCON_SDI (1<<5) #define S3C2443_PCLKCON_HSSPI (1<<6) #define S3C2443_PCLKCON_ADC (1<<7) #define S3C2443_PCLKCON_AC97 (1<<8) #define S3C2443_PCLKCON_IIS (1<<9) #define S3C2443_PCLKCON_PWMT (1<<10) #define S3C2443_PCLKCON_WDT (1<<11) #define S3C2443_PCLKCON_RTC (1<<12) #define S3C2443_PCLKCON_GPIO (1<<13) #define S3C2443_PCLKCON_SPI0 (1<<14) #define S3C2443_PCLKCON_SPI1 (1<<15) #define S3C2443_SCLKCON_DDRCLK (1<<16) #define S3C2443_SCLKCON_SSMCCLK (1<<15) #define S3C2443_SCLKCON_HSSPICLK (1<<14) #define S3C2443_SCLKCON_HSMMCCLK_EXT (1<<13) #define S3C2443_SCLKCON_HSMMCCLK_EPLL (1<<12) #define S3C2443_SCLKCON_CAMCLK (1<<11) #define S3C2443_SCLKCON_DISPCLK (1<<10) #define S3C2443_SCLKCON_I2SCLK (1<<9) #define S3C2443_SCLKCON_UARTCLK (1<<8) #define S3C2443_SCLKCON_USBHOST (1<<1) #define S3C2443_PWRCFG_SLEEP (1<<15) #define S3C2443_PWRCFG_USBPHY (1 << 4) #define S3C2443_URSTCON_FUNCRST (1 << 2) #define S3C2443_URSTCON_PHYRST (1 << 0) #define S3C2443_PHYCTRL_CLKSEL (1 << 3) #define S3C2443_PHYCTRL_EXTCLK (1 << 2) #define S3C2443_PHYCTRL_PLLSEL (1 << 1) #define S3C2443_PHYCTRL_DSPORT (1 << 0) #define S3C2443_PHYPWR_COMMON_ON (1 << 31) #define S3C2443_PHYPWR_ANALOG_PD (1 << 4) #define S3C2443_PHYPWR_PLL_REFCLK (1 << 3) #define S3C2443_PHYPWR_XO_ON (1 << 2) #define S3C2443_PHYPWR_PLL_PWRDN (1 << 1) #define S3C2443_PHYPWR_FSUSPEND (1 << 0) #define S3C2443_UCLKCON_DETECT_VBUS (1 << 31) #define S3C2443_UCLKCON_FUNC_CLKEN (1 << 2) #define S3C2443_UCLKCON_TCLKEN (1 << 0) #include static inline unsigned int s3c2443_get_mpll(unsigned int pllval, unsigned int baseclk) { unsigned int mdiv, pdiv, sdiv; uint64_t fvco; mdiv = pllval >> S3C2443_PLLCON_MDIVSHIFT; pdiv = pllval >> S3C2443_PLLCON_PDIVSHIFT; sdiv = pllval >> S3C2443_PLLCON_SDIVSHIFT; mdiv &= S3C2443_PLLCON_MDIVMASK; pdiv &= S3C2443_PLLCON_PDIVMASK; sdiv &= S3C2443_PLLCON_SDIVMASK; fvco = (uint64_t)baseclk * (2 * (mdiv + 8)); do_div(fvco, pdiv << sdiv); return (unsigned int)fvco; } static inline unsigned int s3c2443_get_epll(unsigned int pllval, unsigned int baseclk) { unsigned int mdiv, pdiv, sdiv; uint64_t fvco; mdiv = pllval >> S3C2443_PLLCON_MDIVSHIFT; pdiv = pllval >> S3C2443_PLLCON_PDIVSHIFT; sdiv = pllval >> S3C2443_PLLCON_SDIVSHIFT; mdiv &= S3C2443_PLLCON_MDIVMASK; pdiv &= S3C2443_PLLCON_PDIVMASK; sdiv &= S3C2443_PLLCON_SDIVMASK; fvco = (uint64_t)baseclk * (mdiv + 8); do_div(fvco, (pdiv + 2) << sdiv); return (unsigned int)fvco; } static inline void s3c_hsudc_init_phy(void) { u32 cfg; cfg = readl(S3C2443_PWRCFG) | S3C2443_PWRCFG_USBPHY; writel(cfg, S3C2443_PWRCFG); cfg = readl(S3C2443_URSTCON); cfg |= (S3C2443_URSTCON_FUNCRST | S3C2443_URSTCON_PHYRST); writel(cfg, S3C2443_URSTCON); mdelay(1); cfg = readl(S3C2443_URSTCON); cfg &= ~(S3C2443_URSTCON_FUNCRST | S3C2443_URSTCON_PHYRST); writel(cfg, S3C2443_URSTCON); cfg = readl(S3C2443_PHYCTRL); cfg &= ~(S3C2443_PHYCTRL_CLKSEL | S3C2443_PHYCTRL_DSPORT); cfg |= (S3C2443_PHYCTRL_EXTCLK | S3C2443_PHYCTRL_PLLSEL); writel(cfg, S3C2443_PHYCTRL); cfg = readl(S3C2443_PHYPWR); cfg &= ~(S3C2443_PHYPWR_FSUSPEND | S3C2443_PHYPWR_PLL_PWRDN | S3C2443_PHYPWR_XO_ON | S3C2443_PHYPWR_PLL_REFCLK | S3C2443_PHYPWR_ANALOG_PD); cfg |= S3C2443_PHYPWR_COMMON_ON; writel(cfg, S3C2443_PHYPWR); cfg = readl(S3C2443_UCLKCON); cfg |= (S3C2443_UCLKCON_DETECT_VBUS | S3C2443_UCLKCON_FUNC_CLKEN | S3C2443_UCLKCON_TCLKEN); writel(cfg, S3C2443_UCLKCON); } static inline void s3c_hsudc_uninit_phy(void) { u32 cfg; cfg = readl(S3C2443_PWRCFG) & ~S3C2443_PWRCFG_USBPHY; writel(cfg, S3C2443_PWRCFG); writel(S3C2443_PHYPWR_FSUSPEND, S3C2443_PHYPWR); cfg = readl(S3C2443_UCLKCON) & ~S3C2443_UCLKCON_FUNC_CLKEN; writel(cfg, S3C2443_UCLKCON); } #endif /* __ASM_ARM_REGS_S3C2443_CLOCK */