/* * (C) Copyright 2004 * Texas Instruments, <www.ti.com> * Richard Woodruff <r-woodruff2@ti.com> * * See file CREDITS for list of people who contributed to this * project. * * 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., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #include <common.h> #include <asm/arch/omap2420.h> #include <asm/io.h> #include <asm/arch/bits.h> #include <asm/arch/mux.h> #include <asm/arch/sys_proto.h> #include <asm/arch/sys_info.h> #include <asm/arch/mem.h> #include <i2c.h> #include <asm/mach-types.h> #if defined(CONFIG_CMD_NAND) #include <linux/mtd/nand_legacy.h> extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE]; #endif DECLARE_GLOBAL_DATA_PTR; void wait_for_command_complete(unsigned int wd_base); /******************************************************* * Routine: delay * Description: spinning delay to use before udelay works ******************************************************/ static inline void delay (unsigned long loops) { __asm__ volatile ("1:\n" "subs %0, %1, #1\n" "bne 1b":"=r" (loops):"0" (loops)); } /***************************************** * Routine: board_init * Description: Early hardware init. *****************************************/ int board_init (void) { gpmc_init(); /* in SRAM or SDRM, finish GPMC */ gd->bd->bi_arch_number = MACH_TYPE_OMAP_H4; /* board id for linux */ gd->bd->bi_boot_params = (OMAP2420_SDRC_CS0+0x100); /* adress of boot parameters */ return 0; } /********************************************************** * Routine: try_unlock_sram() * Description: If chip is GP type, unlock the SRAM for * general use. ***********************************************************/ void try_unlock_sram(void) { /* if GP device unlock device SRAM for general use */ if (get_device_type() == GP_DEVICE) { __raw_writel(0xFF, A_REQINFOPERM0); __raw_writel(0xCFDE, A_READPERM0); __raw_writel(0xCFDE, A_WRITEPERM0); } } /********************************************************** * Routine: s_init * Description: Does early system init of muxing and clocks. * - Called path is with sram stack. **********************************************************/ void s_init(void) { int in_sdram = running_in_sdram(); watchdog_init(); set_muxconf_regs(); delay(100); try_unlock_sram(); if(!in_sdram) prcm_init(); peripheral_enable(); icache_enable(); if (!in_sdram) sdrc_init(); } /******************************************************* * Routine: misc_init_r * Description: Init ethernet (done here so udelay works) ********************************************************/ int misc_init_r (void) { ether_init(); /* better done here so timers are init'ed */ return(0); } /**************************************** * Routine: watchdog_init * Description: Shut down watch dogs *****************************************/ void watchdog_init(void) { /* There are 4 watch dogs. 1 secure, and 3 general purpose. * The ROM takes care of the secure one. Of the 3 GP ones, * 1 can reset us directly, the other 2 only generate MPU interrupts. */ __raw_writel(WD_UNLOCK1 ,WD2_BASE+WSPR); wait_for_command_complete(WD2_BASE); __raw_writel(WD_UNLOCK2 ,WD2_BASE+WSPR); #if MPU_WD_CLOCKED /* value 0x10 stick on aptix, BIT4 polarity seems oppsite*/ __raw_writel(WD_UNLOCK1 ,WD3_BASE+WSPR); wait_for_command_complete(WD3_BASE); __raw_writel(WD_UNLOCK2 ,WD3_BASE+WSPR); __raw_writel(WD_UNLOCK1 ,WD4_BASE+WSPR); wait_for_command_complete(WD4_BASE); __raw_writel(WD_UNLOCK2 ,WD4_BASE+WSPR); #endif } /****************************************************** * Routine: wait_for_command_complete * Description: Wait for posting to finish on watchdog ******************************************************/ void wait_for_command_complete(unsigned int wd_base) { int pending = 1; do { pending = __raw_readl(wd_base+WWPS); } while (pending); } /******************************************************************* * Routine:ether_init * Description: take the Ethernet controller out of reset and wait * for the EEPROM load to complete. ******************************************************************/ void ether_init (void) { #ifdef CONFIG_DRIVER_LAN91C96 int cnt = 20; __raw_writeb(0x3,OMAP2420_CTRL_BASE+0x10a); /*protect->gpio95 */ __raw_writew(0x0, LAN_RESET_REGISTER); do { __raw_writew(0x1, LAN_RESET_REGISTER); udelay (100); if (cnt == 0) goto h4reset_err_out; --cnt; } while (__raw_readw(LAN_RESET_REGISTER) != 0x1); cnt = 20; do { __raw_writew(0x0, LAN_RESET_REGISTER); udelay (100); if (cnt == 0) goto h4reset_err_out; --cnt; } while (__raw_readw(LAN_RESET_REGISTER) != 0x0000); udelay (1000); *((volatile unsigned char *) ETH_CONTROL_REG) &= ~0x01; udelay (1000); h4reset_err_out: return; #endif } /********************************************** * Routine: dram_init * Description: sets uboots idea of sdram size **********************************************/ int dram_init (void) { unsigned int size0=0,size1=0; u32 mtype, btype, rev, cpu; u8 chg_on = 0x5; /* enable charge of back up battery */ u8 vmode_on = 0x8C; #define NOT_EARLY 0 i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE); /* need this a bit early */ btype = get_board_type(); mtype = get_mem_type(); rev = get_cpu_rev(); cpu = get_cpu_type(); display_board_info(btype); if (btype == BOARD_H4_MENELAUS){ update_mux(btype,mtype); /* combo part on menelaus */ i2c_write(I2C_MENELAUS, 0x20, 1, &chg_on, 1); /*fix POR reset bug */ i2c_write(I2C_MENELAUS, 0x2, 1, &vmode_on, 1); /* VCORE change on VMODE */ } if ((mtype == DDR_COMBO) || (mtype == DDR_STACKED)) { do_sdrc_init(SDRC_CS1_OSET, NOT_EARLY); /* init other chip select */ } size0 = get_sdr_cs_size(SDRC_CS0_OSET); size1 = get_sdr_cs_size(SDRC_CS1_OSET); gd->bd->bi_dram[0].start = PHYS_SDRAM_1; gd->bd->bi_dram[0].size = size0; if(rev == CPU_2420_2422_ES1) /* ES1's 128MB remap granularity isn't worth doing */ gd->bd->bi_dram[1].start = PHYS_SDRAM_2; else /* ES2 and above can remap at 32MB granularity */ gd->bd->bi_dram[1].start = PHYS_SDRAM_1+size0; gd->bd->bi_dram[1].size = size1; return 0; } /********************************************************** * Routine: set_muxconf_regs * Description: Setting up the configuration Mux registers * specific to the hardware *********************************************************/ void set_muxconf_regs (void) { muxSetupSDRC(); muxSetupGPMC(); muxSetupUsb0(); muxSetupUart3(); muxSetupI2C1(); muxSetupUART1(); muxSetupLCD(); muxSetupCamera(); muxSetupMMCSD(); muxSetupTouchScreen(); muxSetupHDQ(); } /***************************************************************** * Routine: peripheral_enable * Description: Enable the clks & power for perifs (GPT2, UART1,...) ******************************************************************/ void peripheral_enable(void) { unsigned int v, if_clks=0, func_clks=0; /* Enable GP2 timer.*/ if_clks |= BIT4; func_clks |= BIT4; v = __raw_readl(CM_CLKSEL2_CORE) | 0x4; /* Sys_clk input OMAP2420_GPT2 */ __raw_writel(v, CM_CLKSEL2_CORE); __raw_writel(0x1, CM_CLKSEL_WKUP); #ifdef CFG_NS16550 /* Enable UART1 clock */ func_clks |= BIT21; if_clks |= BIT21; #endif v = __raw_readl(CM_ICLKEN1_CORE) | if_clks; /* Interface clocks on */ __raw_writel(v,CM_ICLKEN1_CORE ); v = __raw_readl(CM_FCLKEN1_CORE) | func_clks; /* Functional Clocks on */ __raw_writel(v, CM_FCLKEN1_CORE); delay(1000); #ifndef KERNEL_UPDATED { #define V1 0xffffffff #define V2 0x00000007 __raw_writel(V1, CM_FCLKEN1_CORE); __raw_writel(V2, CM_FCLKEN2_CORE); __raw_writel(V1, CM_ICLKEN1_CORE); __raw_writel(V1, CM_ICLKEN2_CORE); } #endif } /**************************************** * Routine: muxSetupUsb0 (ostboot) * Description: Setup usb muxing *****************************************/ void muxSetupUsb0(void) { volatile uint8 *MuxConfigReg; volatile uint32 *otgCtrlReg; MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_USB0_PUEN; *MuxConfigReg &= (uint8)(~0x1F); MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_USB0_VP; *MuxConfigReg &= (uint8)(~0x1F); MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_USB0_VM; *MuxConfigReg &= (uint8)(~0x1F); MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_USB0_RCV; *MuxConfigReg &= (uint8)(~0x1F); MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_USB0_TXEN; *MuxConfigReg &= (uint8)(~0x1F); MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_USB0_SE0; *MuxConfigReg &= (uint8)(~0x1F); MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_USB0_DAT; *MuxConfigReg &= (uint8)(~0x1F); /* setup for USB VBus detection */ otgCtrlReg = (volatile uint32 *)USB_OTG_CTRL; *otgCtrlReg |= 0x00040000; /* bit 18 */ } /**************************************** * Routine: muxSetupUart3 (ostboot) * Description: Setup uart3 muxing *****************************************/ void muxSetupUart3(void) { volatile uint8 *MuxConfigReg; MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_UART3_TX_IRTX; *MuxConfigReg &= (uint8)(~0x1F); MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_UART3_RX_IRRX; *MuxConfigReg &= (uint8)(~0x1F); } /**************************************** * Routine: muxSetupI2C1 (ostboot) * Description: Setup i2c muxing *****************************************/ void muxSetupI2C1(void) { volatile unsigned char *MuxConfigReg; /* I2C1 Clock pin configuration, PIN = M19 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_I2C1_SCL; *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* I2C1 Data pin configuration, PIN = L15 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_I2C1_SDA; *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* Pull-up required on data line */ /* external pull-up already present. */ /* *MuxConfigReg |= 0x18 ;*/ /* Mode = 0, PullTypeSel=PU, PullUDEnable=Enabled */ } /**************************************** * Routine: muxSetupUART1 (ostboot) * Description: Set up uart1 muxing *****************************************/ void muxSetupUART1(void) { volatile unsigned char *MuxConfigReg; /* UART1_CTS pin configuration, PIN = D21 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_UART1_CTS; *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* UART1_RTS pin configuration, PIN = H21 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_UART1_RTS; *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* UART1_TX pin configuration, PIN = L20 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_UART1_TX; *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* UART1_RX pin configuration, PIN = T21 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_UART1_RX; *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ } /**************************************** * Routine: muxSetupLCD (ostboot) * Description: Setup lcd muxing *****************************************/ void muxSetupLCD(void) { volatile unsigned char *MuxConfigReg; /* LCD_D0 pin configuration, PIN = Y7 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D0; *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* LCD_D1 pin configuration, PIN = P10 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D1; *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* LCD_D2 pin configuration, PIN = V8 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D2; *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* LCD_D3 pin configuration, PIN = Y8 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D3; *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* LCD_D4 pin configuration, PIN = W8 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D4; *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* LCD_D5 pin configuration, PIN = R10 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D5; *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* LCD_D6 pin configuration, PIN = Y9 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D6; *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* LCD_D7 pin configuration, PIN = V9 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D7; *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* LCD_D8 pin configuration, PIN = W9 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D8; *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* LCD_D9 pin configuration, PIN = P11 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D9; *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* LCD_D10 pin configuration, PIN = V10 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D10; *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* LCD_D11 pin configuration, PIN = Y10 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D11; *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* LCD_D12 pin configuration, PIN = W10 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D12; *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* LCD_D13 pin configuration, PIN = R11 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D13; *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* LCD_D14 pin configuration, PIN = V11 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D14; *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* LCD_D15 pin configuration, PIN = W11 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D15; *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* LCD_D16 pin configuration, PIN = P12 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D16; *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* LCD_D17 pin configuration, PIN = R12 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D17; *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* LCD_PCLK pin configuration, PIN = W6 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_PCLK; *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* LCD_VSYNC pin configuration, PIN = V7 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_VSYNC; *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* LCD_HSYNC pin configuration, PIN = Y6 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_HSYNC; *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* LCD_ACBIAS pin configuration, PIN = W7 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_ACBIAS; *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ } /**************************************** * Routine: muxSetupCamera (ostboot) * Description: Setup camera muxing *****************************************/ void muxSetupCamera(void) { volatile unsigned char *MuxConfigReg; /* CAMERA_RSTZ pin configuration, PIN = Y16 */ /* CAM_RST is connected through the I2C IO expander.*/ /* MuxConfigReg = (volatile unsigned char *), CONTROL_PADCONF_SYS_NRESWARM*/ /* *MuxConfigReg = 0x00 ; / * Mode = 0, PUPD=Disabled */ /* CAMERA_XCLK pin configuration, PIN = U3 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_CAM_XCLK; *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* CAMERA_LCLK pin configuration, PIN = V5 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_CAM_LCLK; *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* CAMERA_VSYNC pin configuration, PIN = U2 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_CAM_VS, *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* CAMERA_HSYNC pin configuration, PIN = T3 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_CAM_HS, *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* CAMERA_DAT0 pin configuration, PIN = T4 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_CAM_D0, *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* CAMERA_DAT1 pin configuration, PIN = V2 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_CAM_D1, *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* CAMERA_DAT2 pin configuration, PIN = V3 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_CAM_D2, *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* CAMERA_DAT3 pin configuration, PIN = U4 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_CAM_D3, *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* CAMERA_DAT4 pin configuration, PIN = W2 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_CAM_D4, *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* CAMERA_DAT5 pin configuration, PIN = V4 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_CAM_D5, *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* CAMERA_DAT6 pin configuration, PIN = W3 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_CAM_D6, *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* CAMERA_DAT7 pin configuration, PIN = Y2 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_CAM_D7, *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* CAMERA_DAT8 pin configuration, PIN = Y4 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_CAM_D8, *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* CAMERA_DAT9 pin configuration, PIN = V6 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_CAM_D9, *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ } /**************************************** * Routine: muxSetupMMCSD (ostboot) * Description: set up MMC muxing *****************************************/ void muxSetupMMCSD(void) { volatile unsigned char *MuxConfigReg; /* SDMMC_CLKI pin configuration, PIN = H15 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_CLKI, *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* SDMMC_CLKO pin configuration, PIN = G19 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_CLKO, *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* SDMMC_CMD pin configuration, PIN = H18 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_CMD, *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* External pull-ups are present. */ /* *MuxConfigReg |= 0x18 ; #/ PullUDEnable=Enabled, PullTypeSel=PU */ /* SDMMC_DAT0 pin configuration, PIN = F20 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_DAT0, *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* External pull-ups are present. */ /* *MuxConfigReg |= 0x18 ; #/ PullUDEnable=Enabled, PullTypeSel=PU */ /* SDMMC_DAT1 pin configuration, PIN = H14 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_DAT1, *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* External pull-ups are present. */ /* *MuxConfigReg |= 0x18 ; #/ PullUDEnable=Enabled, PullTypeSel=PU */ /* SDMMC_DAT2 pin configuration, PIN = E19 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_DAT2, *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* External pull-ups are present. */ /* *MuxConfigReg |= 0x18 ; #/ PullUDEnable=Enabled, PullTypeSel=PU */ /* SDMMC_DAT3 pin configuration, PIN = D19 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_DAT3, *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* External pull-ups are present. */ /* *MuxConfigReg |= 0x18 ; #/ PullUDEnable=Enabled, PullTypeSel=PU */ /* SDMMC_DDIR0 pin configuration, PIN = F19 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_DAT_DIR0, *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* SDMMC_DDIR1 pin configuration, PIN = E20 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_DAT_DIR1, *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* SDMMC_DDIR2 pin configuration, PIN = F18 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_DAT_DIR2, *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* SDMMC_DDIR3 pin configuration, PIN = E18 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_DAT_DIR3, *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* SDMMC_CDIR pin configuration, PIN = G18 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_CMD_DIR, *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* MMC_CD pin configuration, PIN = B3 ---2420IP ONLY---*/ /* MMC_CD for 2422IP=K1 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_SDRC_A14, *MuxConfigReg = 0x03 ; /* Mode = 3, PUPD=Disabled */ /* MMC_WP pin configuration, PIN = B4 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_SDRC_A13, *MuxConfigReg = 0x03 ; /* Mode = 3, PUPD=Disabled */ } /****************************************** * Routine: muxSetupTouchScreen (ostboot) * Description: Set up touch screen muxing *******************************************/ void muxSetupTouchScreen(void) { volatile unsigned char *MuxConfigReg; /* SPI1_CLK pin configuration, PIN = U18 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_SPI1_CLK, *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* SPI1_MOSI pin configuration, PIN = V20 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_SPI1_SIMO, *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* SPI1_MISO pin configuration, PIN = T18 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_SPI1_SOMI, *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* SPI1_nCS0 pin configuration, PIN = U19 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_SPI1_NCS0, *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ /* PEN_IRQ pin configuration, PIN = P20 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MCBSP1_FSR, *MuxConfigReg = 0x03 ; /* Mode = 3, PUPD=Disabled */ } /**************************************** * Routine: muxSetupHDQ (ostboot) * Description: setup 1wire mux *****************************************/ void muxSetupHDQ(void) { volatile unsigned char *MuxConfigReg; /* HDQ_SIO pin configuration, PIN = N18 */ MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_HDQ_SIO, *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ } /*************************************************************** * Routine: muxSetupGPMC (ostboot) * Description: Configures balls which cam up in protected mode ***************************************************************/ void muxSetupGPMC(void) { volatile uint8 *MuxConfigReg; volatile unsigned int *MCR = (volatile unsigned int *)0x4800008C; /* gpmc_io_dir */ *MCR = 0x19000000; /* NOR FLASH CS0 */ /* signal - Gpmc_clk; pin - J4; offset - 0x0088; mode - 0; Byte-3 Pull/up - N/A */ MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_GPMC_D2_BYTE3, *MuxConfigReg = 0x00 ; /* signal - Gpmc_iodir; pin - n2; offset - 0x008C; mode - 1; Byte-3 Pull/up - N/A */ MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_GPMC_NCS0_BYTE3, *MuxConfigReg = 0x01 ; /* MPDB(Multi Port Debug Port) CS1 */ /* signal - gpmc_ncs1; pin - N8; offset - 0x008C; mode - 0; Byte-1 Pull/up - N/A */ MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_GPMC_NCS0_BYTE1, *MuxConfigReg = 0x00 ; /* signal - Gpmc_ncs2; pin - E2; offset - 0x008C; mode - 0; Byte-2 Pull/up - N/A */ MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_GPMC_NCS0_BYTE2, *MuxConfigReg = 0x00 ; } /**************************************************************** * Routine: muxSetupSDRC (ostboot) * Description: Configures balls which come up in protected mode ****************************************************************/ void muxSetupSDRC(void) { volatile uint8 *MuxConfigReg; /* signal - sdrc_ncs1; pin - C12; offset - 0x00A0; mode - 0; Byte-1 Pull/up - N/A */ MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_SDRC_NCS0_BYTE1, *MuxConfigReg = 0x00 ; /* signal - sdrc_a12; pin - D11; offset - 0x0030; mode - 0; Byte-2 Pull/up - N/A */ MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_SDRC_A14_BYTE2, *MuxConfigReg = 0x00 ; /* signal - sdrc_cke1; pin - B13; offset - 0x00A0; mode - 0; Byte-3 Pull/up - N/A */ MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_SDRC_NCS0_BYTE3, *MuxConfigReg = 0x00; if (get_cpu_type() == CPU_2422) { MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_SDRC_A14_BYTE0, *MuxConfigReg = 0x1b; } } /***************************************************************************** * Routine: update_mux() * Description: Update balls which are different beween boards. All should be * updated to match functionaly. However, I'm only updating ones * which I'll be using for now. When power comes into play they * all need updating. *****************************************************************************/ void update_mux(u32 btype,u32 mtype) { u32 cpu, base = OMAP2420_CTRL_BASE; cpu = get_cpu_type(); if (btype == BOARD_H4_MENELAUS) { if (cpu == CPU_2420) { /* PIN = B3, GPIO.0->KBR5, mode 3, (pun?),-DO-*/ __raw_writeb(0x3, base+0x30); /* PIN = B13, GPIO.38->KBC6, mode 3, (pun?)-DO-*/ __raw_writeb(0x3, base+0xa3); /* PIN = F1, GPIO.25->HSUSBxx mode 3, (for external HS USB)*/ /* PIN = H1, GPIO.26->HSUSBxx mode 3, (for external HS USB)*/ /* PIN = K1, GPMC_ncs6 mode 0, (on board nand access)*/ /* PIN = L2, GPMC_ncs67 mode 0, (for external HS USB)*/ /* PIN = M1 (HSUSBOTG) */ /* PIN = P1, GPIO.35->MEN_POK mode 3, (menelaus powerok)-DO-*/ __raw_writeb(0x3, base+0x9d); /* PIN = U32, (WLAN_CLKREQ) */ /* PIN = Y11, WLAN */ /* PIN = AA4, GPIO.15->KBC2, mode 3, -DO- */ __raw_writeb(0x3, base+0xe7); /* PIN = AA8, mDOC */ /* PIN = AA10, BT */ /* PIN = AA13, WLAN */ /* PIN = M18 GPIO.96->MMC2_WP mode 3 -DO- */ __raw_writeb(0x3, base+0x10e); /* PIN = N19 GPIO.98->WLAN_INT mode 3 -DO- */ __raw_writeb(0x3, base+0x110); /* PIN = J15 HHUSB */ /* PIN = H19 HSUSB */ /* PIN = W13, P13, R13, W16 ... */ /* PIN = V12 GPIO.25->I2C_CAMEN mode 3 -DO- */ __raw_writeb(0x3, base+0xde); /* PIN = W19 sys_nirq->MENELAUS_INT mode 0 -DO- */ __raw_writeb(0x0, base+0x12c); /* PIN = AA17->sys_clkreq mode 0 -DO- */ __raw_writeb(0x0, base+0x136); } else if (cpu == CPU_2422) { /* PIN = B3, GPIO.0->nc, mode 3, set above (pun?)*/ /* PIN = B13, GPIO.cke1->nc, mode 0, set above, (pun?)*/ /* PIN = F1, GPIO.25->HSUSBxx mode 3, (for external HS USB)*/ /* PIN = H1, GPIO.26->HSUSBxx mode 3, (for external HS USB)*/ /* PIN = K1, GPMC_ncs6 mode 0, (on board nand access)*/ __raw_writeb(0x0, base+0x92); /* PIN = L2, GPMC_ncs67 mode 0, (for external HS USB)*/ /* PIN = M1 (HSUSBOTG) */ /* PIN = P1, GPIO.35->MEN_POK mode 3, (menelaus powerok)-DO-*/ __raw_writeb(0x3, base+0x10c); /* PIN = U32, (WLAN_CLKREQ) */ /* PIN = AA4, GPIO.15->KBC2, mode 3, -DO- */ __raw_writeb(0x3, base+0x30); /* PIN = AA8, mDOC */ /* PIN = AA10, BT */ /* PIN = AA12, WLAN */ /* PIN = M18 GPIO.96->MMC2_WP mode 3 -DO- */ __raw_writeb(0x3, base+0x10e); /* PIN = N19 GPIO.98->WLAN_INT mode 3 -DO- */ __raw_writeb(0x3, base+0x110); /* PIN = J15 HHUSB */ /* PIN = H19 HSUSB */ /* PIN = W13, P13, R13, W16 ... */ /* PIN = V12 GPIO.25->I2C_CAMEN mode 3 -DO- */ __raw_writeb(0x3, base+0xde); /* PIN = W19 sys_nirq->MENELAUS_INT mode 0 -DO- */ __raw_writeb(0x0, base+0x12c); /* PIN = AA17->sys_clkreq mode 0 -DO- */ __raw_writeb(0x0, base+0x136); } } else if (btype == BOARD_H4_SDP) { if (cpu == CPU_2420) { /* PIN = B3, GPIO.0->nc mode 3, set above (pun?)*/ /* PIN = B13, GPIO.cke1->nc, mode 0, set above, (pun?)*/ /* Pin = Y11 VLNQ */ /* Pin = AA4 VLNQ */ /* Pin = AA6 VLNQ */ /* Pin = AA8 VLNQ */ /* Pin = AA10 VLNQ */ /* Pin = AA12 VLNQ */ /* PIN = M18 GPIO.96->KBR5 mode 3 -DO- */ __raw_writeb(0x3, base+0x10e); /* PIN = N19 GPIO.98->KBC6 mode 3 -DO- */ __raw_writeb(0x3, base+0x110); /* PIN = J15 MDOC_nDMAREQ */ /* PIN = H19 GPIO.100->KBC2 mode 3 -DO- */ __raw_writeb(0x3, base+0x114); /* PIN = W13, V12, P13, R13, W19, W16 ... */ /* PIN = AA17 sys_clkreq->bt_clk_req mode 0 */ } else if (cpu == CPU_2422) { /* PIN = B3, GPIO.0->MMC_CD, mode 3, set above */ /* PIN = B13, GPIO.38->wlan_int, mode 3, (pun?)*/ /* Pin = Y11 VLNQ */ /* Pin = AA4 VLNQ */ /* Pin = AA6 VLNQ */ /* Pin = AA8 VLNQ */ /* Pin = AA10 VLNQ */ /* Pin = AA12 VLNQ */ /* PIN = M18 GPIO.96->KBR5 mode 3 -DO- */ __raw_writeb(0x3, base+0x10e); /* PIN = N19 GPIO.98->KBC6 mode 3 -DO- */ __raw_writeb(0x3, base+0x110); /* PIN = J15 MDOC_nDMAREQ */ /* PIN = H19 GPIO.100->KBC2 mode 3 -DO- */ __raw_writeb(0x3, base+0x114); /* PIN = W13, V12, P13, R13, W19, W16 ... */ /* PIN = AA17 sys_clkreq->bt_clk_req mode 0 */ } } } #if defined(CONFIG_CMD_NAND) void nand_init(void) { extern flash_info_t flash_info[]; nand_probe(CFG_NAND_ADDR); if (nand_dev_desc[0].ChipID != NAND_ChipID_UNKNOWN) { print_size(nand_dev_desc[0].totlen, "\n"); } #ifdef CFG_JFFS2_MEM_NAND flash_info[CFG_JFFS2_FIRST_BANK].flash_id = nand_dev_desc[0].id; flash_info[CFG_JFFS2_FIRST_BANK].size = 1024*1024*2; /* only read kernel single meg partition */ flash_info[CFG_JFFS2_FIRST_BANK].sector_count = 1024; /* 1024 blocks in 16meg chip (use less for raw/copied partition) */ flash_info[CFG_JFFS2_FIRST_BANK].start[0] = 0x80200000; /* ?, ram for now, open question, copy to RAM or adapt for NAND */ #endif } #endif