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Diffstat (limited to 'board/cm_t35/cm_t35.c')
| -rw-r--r-- | board/cm_t35/cm_t35.c | 371 |
1 files changed, 371 insertions, 0 deletions
diff --git a/board/cm_t35/cm_t35.c b/board/cm_t35/cm_t35.c new file mode 100644 index 0000000..459df0b --- /dev/null +++ b/board/cm_t35/cm_t35.c @@ -0,0 +1,371 @@ +/* + * (C) Copyright 2010 + * CompuLab, Ltd. <www.compulab.co.il> + * + * Author: Mike Rapoport <mike@compulab.co.il> + * + * Derived from omap3evm and Beagle Board by + * Manikandan Pillai <mani.pillai@ti.com> + * Richard Woodruff <r-woodruff2@ti.com> + * Syed Mohammed Khasim <x0khasim@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 <netdev.h> +#include <net.h> +#include <i2c.h> +#include <twl4030.h> + +#include <asm/io.h> +#include <asm/arch/mem.h> +#include <asm/arch/mux.h> +#include <asm/arch/mmc_host_def.h> +#include <asm/arch/sys_proto.h> +#include <asm/mach-types.h> + +const omap3_sysinfo sysinfo = { + DDR_DISCRETE, + "CM-T35 board", + "NAND", +}; + +static u32 gpmc_net_config[GPMC_MAX_REG] = { + NET_GPMC_CONFIG1, + NET_GPMC_CONFIG2, + NET_GPMC_CONFIG3, + NET_GPMC_CONFIG4, + NET_GPMC_CONFIG5, + NET_GPMC_CONFIG6, + 0 +}; + +static u32 gpmc_nand_config[GPMC_MAX_REG] = { + SMNAND_GPMC_CONFIG1, + SMNAND_GPMC_CONFIG2, + SMNAND_GPMC_CONFIG3, + SMNAND_GPMC_CONFIG4, + SMNAND_GPMC_CONFIG5, + SMNAND_GPMC_CONFIG6, + 0, +}; + +/* + * Routine: board_init + * Description: Early hardware init. + */ +int board_init(void) +{ + DECLARE_GLOBAL_DATA_PTR; + + gpmc_init(); /* in SRAM or SDRAM, finish GPMC */ + + enable_gpmc_cs_config(gpmc_nand_config, &gpmc_cfg->cs[0], + CONFIG_SYS_NAND_BASE, GPMC_SIZE_16M); + + /* board id for Linux */ + gd->bd->bi_arch_number = MACH_TYPE_CM_T35; + /* boot param addr */ + gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100); + + return 0; +} + +/* + * Routine: misc_init_r + * Description: Init I2C and display die ID + */ +int misc_init_r(void) +{ +#ifdef CONFIG_DRIVER_OMAP34XX_I2C + i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); +#endif + + dieid_num_r(); + + return 0; +} + +/* + * Routine: set_muxconf_regs + * Description: Setting up the configuration Mux registers specific to the + * hardware. Many pins need to be moved from protect to primary + * mode. + */ +void set_muxconf_regs(void) +{ + /* SDRC */ + MUX_VAL(CP(SDRC_D0), (IEN | PTD | DIS | M0)); /*SDRC_D0*/ + MUX_VAL(CP(SDRC_D1), (IEN | PTD | DIS | M0)); /*SDRC_D1*/ + MUX_VAL(CP(SDRC_D2), (IEN | PTD | DIS | M0)); /*SDRC_D2*/ + MUX_VAL(CP(SDRC_D3), (IEN | PTD | DIS | M0)); /*SDRC_D3*/ + MUX_VAL(CP(SDRC_D4), (IEN | PTD | DIS | M0)); /*SDRC_D4*/ + MUX_VAL(CP(SDRC_D5), (IEN | PTD | DIS | M0)); /*SDRC_D5*/ + MUX_VAL(CP(SDRC_D6), (IEN | PTD | DIS | M0)); /*SDRC_D6*/ + MUX_VAL(CP(SDRC_D7), (IEN | PTD | DIS | M0)); /*SDRC_D7*/ + MUX_VAL(CP(SDRC_D8), (IEN | PTD | DIS | M0)); /*SDRC_D8*/ + MUX_VAL(CP(SDRC_D9), (IEN | PTD | DIS | M0)); /*SDRC_D9*/ + MUX_VAL(CP(SDRC_D10), (IEN | PTD | DIS | M0)); /*SDRC_D10*/ + MUX_VAL(CP(SDRC_D11), (IEN | PTD | DIS | M0)); /*SDRC_D11*/ + MUX_VAL(CP(SDRC_D12), (IEN | PTD | DIS | M0)); /*SDRC_D12*/ + MUX_VAL(CP(SDRC_D13), (IEN | PTD | DIS | M0)); /*SDRC_D13*/ + MUX_VAL(CP(SDRC_D14), (IEN | PTD | DIS | M0)); /*SDRC_D14*/ + MUX_VAL(CP(SDRC_D15), (IEN | PTD | DIS | M0)); /*SDRC_D15*/ + MUX_VAL(CP(SDRC_D16), (IEN | PTD | DIS | M0)); /*SDRC_D16*/ + MUX_VAL(CP(SDRC_D17), (IEN | PTD | DIS | M0)); /*SDRC_D17*/ + MUX_VAL(CP(SDRC_D18), (IEN | PTD | DIS | M0)); /*SDRC_D18*/ + MUX_VAL(CP(SDRC_D19), (IEN | PTD | DIS | M0)); /*SDRC_D19*/ + MUX_VAL(CP(SDRC_D20), (IEN | PTD | DIS | M0)); /*SDRC_D20*/ + MUX_VAL(CP(SDRC_D21), (IEN | PTD | DIS | M0)); /*SDRC_D21*/ + MUX_VAL(CP(SDRC_D22), (IEN | PTD | DIS | M0)); /*SDRC_D22*/ + MUX_VAL(CP(SDRC_D23), (IEN | PTD | DIS | M0)); /*SDRC_D23*/ + MUX_VAL(CP(SDRC_D24), (IEN | PTD | DIS | M0)); /*SDRC_D24*/ + MUX_VAL(CP(SDRC_D25), (IEN | PTD | DIS | M0)); /*SDRC_D25*/ + MUX_VAL(CP(SDRC_D26), (IEN | PTD | DIS | M0)); /*SDRC_D26*/ + MUX_VAL(CP(SDRC_D27), (IEN | PTD | DIS | M0)); /*SDRC_D27*/ + MUX_VAL(CP(SDRC_D28), (IEN | PTD | DIS | M0)); /*SDRC_D28*/ + MUX_VAL(CP(SDRC_D29), (IEN | PTD | DIS | M0)); /*SDRC_D29*/ + MUX_VAL(CP(SDRC_D30), (IEN | PTD | DIS | M0)); /*SDRC_D30*/ + MUX_VAL(CP(SDRC_D31), (IEN | PTD | DIS | M0)); /*SDRC_D31*/ + MUX_VAL(CP(SDRC_CLK), (IEN | PTD | DIS | M0)); /*SDRC_CLK*/ + MUX_VAL(CP(SDRC_DQS0), (IEN | PTD | DIS | M0)); /*SDRC_DQS0*/ + MUX_VAL(CP(SDRC_DQS1), (IEN | PTD | DIS | M0)); /*SDRC_DQS1*/ + MUX_VAL(CP(SDRC_DQS2), (IEN | PTD | DIS | M0)); /*SDRC_DQS2*/ + MUX_VAL(CP(SDRC_DQS3), (IEN | PTD | DIS | M0)); /*SDRC_DQS3*/ + MUX_VAL(CP(SDRC_CKE0), (IDIS | PTU | EN | M0)); /*SDRC_CKE0*/ + MUX_VAL(CP(SDRC_CKE1), (IDIS | PTD | DIS | M7)); /*SDRC_CKE1*/ + + /* GPMC */ + MUX_VAL(CP(GPMC_A1), (IDIS | PTU | EN | M0)); /*GPMC_A1*/ + MUX_VAL(CP(GPMC_A2), (IDIS | PTU | EN | M0)); /*GPMC_A2*/ + MUX_VAL(CP(GPMC_A3), (IDIS | PTU | EN | M0)); /*GPMC_A3*/ + MUX_VAL(CP(GPMC_A4), (IDIS | PTU | EN | M0)); /*GPMC_A4*/ + MUX_VAL(CP(GPMC_A5), (IDIS | PTU | EN | M0)); /*GPMC_A5*/ + MUX_VAL(CP(GPMC_A6), (IDIS | PTU | EN | M0)); /*GPMC_A6*/ + MUX_VAL(CP(GPMC_A7), (IDIS | PTU | EN | M0)); /*GPMC_A7*/ + MUX_VAL(CP(GPMC_A8), (IDIS | PTU | EN | M0)); /*GPMC_A8*/ + MUX_VAL(CP(GPMC_A9), (IDIS | PTU | EN | M0)); /*GPMC_A9*/ + MUX_VAL(CP(GPMC_A10), (IDIS | PTU | EN | M0)); /*GPMC_A10*/ + MUX_VAL(CP(GPMC_D0), (IEN | PTU | EN | M0)); /*GPMC_D0*/ + MUX_VAL(CP(GPMC_D1), (IEN | PTU | EN | M0)); /*GPMC_D1*/ + MUX_VAL(CP(GPMC_D2), (IEN | PTU | EN | M0)); /*GPMC_D2*/ + MUX_VAL(CP(GPMC_D3), (IEN | PTU | EN | M0)); /*GPMC_D3*/ + MUX_VAL(CP(GPMC_D4), (IEN | PTU | EN | M0)); /*GPMC_D4*/ + MUX_VAL(CP(GPMC_D5), (IEN | PTU | EN | M0)); /*GPMC_D5*/ + MUX_VAL(CP(GPMC_D6), (IEN | PTU | EN | M0)); /*GPMC_D6*/ + MUX_VAL(CP(GPMC_D7), (IEN | PTU | EN | M0)); /*GPMC_D7*/ + MUX_VAL(CP(GPMC_D8), (IEN | PTU | EN | M0)); /*GPMC_D8*/ + MUX_VAL(CP(GPMC_D9), (IEN | PTU | EN | M0)); /*GPMC_D9*/ + MUX_VAL(CP(GPMC_D10), (IEN | PTU | EN | M0)); /*GPMC_D10*/ + MUX_VAL(CP(GPMC_D11), (IEN | PTU | EN | M0)); /*GPMC_D11*/ + MUX_VAL(CP(GPMC_D12), (IEN | PTU | EN | M0)); /*GPMC_D12*/ + MUX_VAL(CP(GPMC_D13), (IEN | PTU | EN | M0)); /*GPMC_D13*/ + MUX_VAL(CP(GPMC_D14), (IEN | PTU | EN | M0)); /*GPMC_D14*/ + MUX_VAL(CP(GPMC_D15), (IEN | PTU | EN | M0)); /*GPMC_D15*/ + MUX_VAL(CP(GPMC_NCS0), (IDIS | PTU | EN | M0)); /*GPMC_nCS0*/ + + /* SB-T35 Ethernet */ + MUX_VAL(CP(GPMC_NCS4), (IEN | PTU | EN | M0)); /*GPMC_nCS4*/ + + /* CM-T35 Ethernet */ + MUX_VAL(CP(GPMC_NCS5), (IDIS | PTU | DIS | M0)); /*GPMC_nCS5*/ + MUX_VAL(CP(GPMC_CLK), (IEN | PTD | DIS | M4)); /*GPIO_59*/ + MUX_VAL(CP(GPMC_NADV_ALE), (IDIS | PTD | DIS | M0)); /*nADV_ALE*/ + MUX_VAL(CP(GPMC_NOE), (IDIS | PTD | DIS | M0)); /*nOE*/ + MUX_VAL(CP(GPMC_NWE), (IDIS | PTD | DIS | M0)); /*nWE*/ + MUX_VAL(CP(GPMC_NBE0_CLE), (IDIS | PTU | EN | M0)); /*nBE0_CLE*/ + MUX_VAL(CP(GPMC_NBE1), (IDIS | PTD | DIS | M4)); /*GPIO_61*/ + MUX_VAL(CP(GPMC_NWP), (IEN | PTD | DIS | M0)); /*nWP*/ + MUX_VAL(CP(GPMC_WAIT0), (IEN | PTU | EN | M0)); /*WAIT0*/ + + /* DSS */ + MUX_VAL(CP(DSS_PCLK), (IDIS | PTD | DIS | M0)); /*DSS_PCLK*/ + MUX_VAL(CP(DSS_HSYNC), (IDIS | PTD | DIS | M0)); /*DSS_HSYNC*/ + MUX_VAL(CP(DSS_VSYNC), (IDIS | PTD | DIS | M0)); /*DSS_VSYNC*/ + MUX_VAL(CP(DSS_ACBIAS), (IDIS | PTD | DIS | M0)); /*DSS_ACBIAS*/ + MUX_VAL(CP(DSS_DATA0), (IDIS | PTD | DIS | M0)); /*DSS_DATA0*/ + MUX_VAL(CP(DSS_DATA1), (IDIS | PTD | DIS | M0)); /*DSS_DATA1*/ + MUX_VAL(CP(DSS_DATA2), (IDIS | PTD | DIS | M0)); /*DSS_DATA2*/ + MUX_VAL(CP(DSS_DATA3), (IDIS | PTD | DIS | M0)); /*DSS_DATA3*/ + MUX_VAL(CP(DSS_DATA4), (IDIS | PTD | DIS | M0)); /*DSS_DATA4*/ + MUX_VAL(CP(DSS_DATA5), (IDIS | PTD | DIS | M0)); /*DSS_DATA5*/ + MUX_VAL(CP(DSS_DATA6), (IDIS | PTD | DIS | M0)); /*DSS_DATA6*/ + MUX_VAL(CP(DSS_DATA7), (IDIS | PTD | DIS | M0)); /*DSS_DATA7*/ + MUX_VAL(CP(DSS_DATA8), (IDIS | PTD | DIS | M0)); /*DSS_DATA8*/ + MUX_VAL(CP(DSS_DATA9), (IDIS | PTD | DIS | M0)); /*DSS_DATA9*/ + MUX_VAL(CP(DSS_DATA10), (IDIS | PTD | DIS | M0)); /*DSS_DATA10*/ + MUX_VAL(CP(DSS_DATA11), (IDIS | PTD | DIS | M0)); /*DSS_DATA11*/ + MUX_VAL(CP(DSS_DATA12), (IDIS | PTD | DIS | M0)); /*DSS_DATA12*/ + MUX_VAL(CP(DSS_DATA13), (IDIS | PTD | DIS | M0)); /*DSS_DATA13*/ + MUX_VAL(CP(DSS_DATA14), (IDIS | PTD | DIS | M0)); /*DSS_DATA14*/ + MUX_VAL(CP(DSS_DATA15), (IDIS | PTD | DIS | M0)); /*DSS_DATA15*/ + MUX_VAL(CP(DSS_DATA16), (IDIS | PTD | DIS | M0)); /*DSS_DATA16*/ + MUX_VAL(CP(DSS_DATA17), (IDIS | PTD | DIS | M0)); /*DSS_DATA17*/ + MUX_VAL(CP(DSS_DATA18), (IDIS | PTD | DIS | M0)); /*DSS_DATA18*/ + MUX_VAL(CP(DSS_DATA19), (IDIS | PTD | DIS | M0)); /*DSS_DATA19*/ + MUX_VAL(CP(DSS_DATA20), (IDIS | PTD | DIS | M0)); /*DSS_DATA20*/ + MUX_VAL(CP(DSS_DATA21), (IDIS | PTD | DIS | M0)); /*DSS_DATA21*/ + MUX_VAL(CP(DSS_DATA22), (IDIS | PTD | DIS | M0)); /*DSS_DATA22*/ + MUX_VAL(CP(DSS_DATA23), (IDIS | PTD | DIS | M0)); /*DSS_DATA23*/ + + /* serial interface */ + MUX_VAL(CP(UART3_RX_IRRX), (IEN | PTD | DIS | M0)); /*UART3_RX*/ + MUX_VAL(CP(UART3_TX_IRTX), (IDIS | PTD | DIS | M0)); /*UART3_TX*/ + + /* mUSB */ + MUX_VAL(CP(HSUSB0_CLK), (IEN | PTD | DIS | M0)); /*HSUSB0_CLK*/ + MUX_VAL(CP(HSUSB0_STP), (IDIS | PTU | EN | M0)); /*HSUSB0_STP*/ + MUX_VAL(CP(HSUSB0_DIR), (IEN | PTD | DIS | M0)); /*HSUSB0_DIR*/ + MUX_VAL(CP(HSUSB0_NXT), (IEN | PTD | DIS | M0)); /*HSUSB0_NXT*/ + MUX_VAL(CP(HSUSB0_DATA0), (IEN | PTD | DIS | M0)); /*HSUSB0_DATA0*/ + MUX_VAL(CP(HSUSB0_DATA1), (IEN | PTD | DIS | M0)); /*HSUSB0_DATA1*/ + MUX_VAL(CP(HSUSB0_DATA2), (IEN | PTD | DIS | M0)); /*HSUSB0_DATA2*/ + MUX_VAL(CP(HSUSB0_DATA3), (IEN | PTD | DIS | M0)); /*HSUSB0_DATA3*/ + MUX_VAL(CP(HSUSB0_DATA4), (IEN | PTD | DIS | M0)); /*HSUSB0_DATA4*/ + MUX_VAL(CP(HSUSB0_DATA5), (IEN | PTD | DIS | M0)); /*HSUSB0_DATA5*/ + MUX_VAL(CP(HSUSB0_DATA6), (IEN | PTD | DIS | M0)); /*HSUSB0_DATA6*/ + MUX_VAL(CP(HSUSB0_DATA7), (IEN | PTD | DIS | M0)); /*HSUSB0_DATA7*/ + + /* I2C1 */ + MUX_VAL(CP(I2C1_SCL), (IEN | PTU | EN | M0)); /*I2C1_SCL*/ + MUX_VAL(CP(I2C1_SDA), (IEN | PTU | EN | M0)); /*I2C1_SDA*/ + + /* control and debug */ + MUX_VAL(CP(SYS_32K), (IEN | PTD | DIS | M0)); /*SYS_32K*/ + MUX_VAL(CP(SYS_CLKREQ), (IEN | PTD | DIS | M0)); /*SYS_CLKREQ*/ + MUX_VAL(CP(SYS_NIRQ), (IEN | PTU | EN | M0)); /*SYS_nIRQ*/ + MUX_VAL(CP(SYS_OFF_MODE), (IEN | PTD | DIS | M0)); /*OFF_MODE*/ + MUX_VAL(CP(SYS_CLKOUT1), (IEN | PTD | DIS | M0)); /*CLKOUT1*/ + MUX_VAL(CP(SYS_CLKOUT2), (IDIS | PTD | DIS | M4)); /*green LED*/ + MUX_VAL(CP(JTAG_nTRST), (IEN | PTD | DIS | M0)); /*JTAG_nTRST*/ + MUX_VAL(CP(JTAG_TCK), (IEN | PTD | DIS | M0)); /*JTAG_TCK*/ + MUX_VAL(CP(JTAG_TMS), (IEN | PTD | DIS | M0)); /*JTAG_TMS*/ + MUX_VAL(CP(JTAG_TDI), (IEN | PTD | DIS | M0)); /*JTAG_TDI*/ +} + +#ifdef CONFIG_GENERIC_MMC +int board_mmc_init(bd_t *bis) +{ + return omap_mmc_init(0); +} +#endif + +/* + * Routine: setup_net_chip_gmpc + * Description: Setting up the configuration GPMC registers specific to the + * Ethernet hardware. + */ +static void setup_net_chip_gmpc(void) +{ + struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE; + + enable_gpmc_cs_config(gpmc_net_config, &gpmc_cfg->cs[5], + CM_T35_SMC911X_BASE, GPMC_SIZE_16M); + enable_gpmc_cs_config(gpmc_net_config, &gpmc_cfg->cs[4], + SB_T35_SMC911X_BASE, GPMC_SIZE_16M); + + /* Enable off mode for NWE in PADCONF_GPMC_NWE register */ + writew(readw(&ctrl_base->gpmc_nwe) | 0x0E00, &ctrl_base->gpmc_nwe); + + /* Enable off mode for NOE in PADCONF_GPMC_NADV_ALE register */ + writew(readw(&ctrl_base->gpmc_noe) | 0x0E00, &ctrl_base->gpmc_noe); + + /* Enable off mode for ALE in PADCONF_GPMC_NADV_ALE register */ + writew(readw(&ctrl_base->gpmc_nadv_ale) | 0x0E00, + &ctrl_base->gpmc_nadv_ale); +} + +#ifdef CONFIG_DRIVER_OMAP34XX_I2C +/* + * Routine: reset_net_chip + * Description: reset the Ethernet controller via TPS65930 GPIO + */ +static void reset_net_chip(void) +{ + /* Set GPIO1 of TPS65930 as output */ + twl4030_i2c_write_u8(TWL4030_CHIP_GPIO, 0x02, + TWL4030_BASEADD_GPIO+0x03); + /* Send a pulse on the GPIO pin */ + twl4030_i2c_write_u8(TWL4030_CHIP_GPIO, 0x02, + TWL4030_BASEADD_GPIO+0x0C); + udelay(1); + twl4030_i2c_write_u8(TWL4030_CHIP_GPIO, 0x02, + TWL4030_BASEADD_GPIO+0x09); + udelay(1); + twl4030_i2c_write_u8(TWL4030_CHIP_GPIO, 0x02, + TWL4030_BASEADD_GPIO+0x0C); +} +#else +static inline void reset_net_chip(void) {} +#endif + +/* + * Routine: handle_mac_address + * Description: prepare MAC address for on-board Ethernet. + */ +static int handle_mac_address(void) +{ + unsigned char enetaddr[6]; + int rc; + + rc = eth_getenv_enetaddr("ethaddr", enetaddr); + if (rc) + return 0; + +#ifdef CONFIG_DRIVER_OMAP34XX_I2C + rc = i2c_read(0x50, 0, 1, enetaddr, 6); + if (rc) + return rc; +#endif + + if (!is_valid_ether_addr(enetaddr)) + return -1; + + return eth_setenv_enetaddr("ethaddr", enetaddr); +} + + +/* + * Routine: board_eth_init + * Description: initialize module and base-board Ethernet chips + */ +int board_eth_init(bd_t *bis) +{ + int rc = 0, rc1 = 0; + +#ifdef CONFIG_SMC911X + setup_net_chip_gmpc(); + reset_net_chip(); + + rc1 = handle_mac_address(); + if (rc1) + printf("CM-T35: No MAC address found\n"); + + rc1 = smc911x_initialize(0, CM_T35_SMC911X_BASE); + if (rc1 > 0) + rc++; + + rc1 = smc911x_initialize(1, SB_T35_SMC911X_BASE); + if (rc1 > 0) + rc++; +#endif + + return rc; +} |