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Diffstat (limited to 'board/omap2420h4/omap2420h4.c')
| -rw-r--r-- | board/omap2420h4/omap2420h4.c | 834 |
1 files changed, 834 insertions, 0 deletions
diff --git a/board/omap2420h4/omap2420h4.c b/board/omap2420h4/omap2420h4.c new file mode 100644 index 0000000..4696a71 --- /dev/null +++ b/board/omap2420h4/omap2420h4.c @@ -0,0 +1,834 @@ +/* + * (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> + +static 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) +{ + DECLARE_GLOBAL_DATA_PTR; +#ifndef CONFIG_PARTIAL_SRAM + s_init(0x0); /* full sram build, never skip clock and sdrc, no point */ +#else + gpmc_init(); +#endif + 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: s_init + * Description: Does early system init of muxing and clocks. + * - Called at time when only stack is available. + **********************************************************/ +void s_init(int skip) +{ + watchdog_init(); + set_muxconf_regs(); + delay(100); + + if (!skip) + prcm_init(); + + peripheral_enable(); + icache_enable(); +#ifndef CONFIG_APTIX + if (!skip) + memif_init(); +#endif +} + +/******************************************************* + * 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) +{ + int mode; +#define GP (BIT8|BIT9) + + /* There are 4 watch dogs. 1 secure, and 3 general purpose. + * I would expect that the ROM takes care of the secure one, + * but we will try also. Of the 3 GP ones, 1 can reset us + * directly, the other 2 only generate MPU interrupts. + */ + mode = (__raw_readl(CONTROL_STATUS) & (BIT8|BIT9)); + if (mode == GP) { + __raw_writel(WD_UNLOCK1 ,WD1_BASE+WSPR); + wait_for_command_complete(WD1_BASE); + __raw_writel(WD_UNLOCK2 ,WD1_BASE+WSPR); + } + __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 + ******************************************************/ +static 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_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) +{ + DECLARE_GLOBAL_DATA_PTR; + unsigned int size0=0,size1=0; + u32 mtype, btype; +#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(); + + display_board_info(btype); + if (btype == BOARD_H4_MENELAUS) + update_mux(btype,mtype); + + if ((mtype == DDR_COMBO) || (mtype == DDR_STACKED)) { + do_sdrc_init(SDRC_CS1_OSET, NOT_EARLY); /* init other chip select */ + size0 = size1 = SZ_32M; + } else + size0 = SZ_64M; + + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = size0; + gd->bd->bi_dram[1].start = PHYS_SDRAM_2; + 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 = 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 */ + } + } +} + + |