diff options
Diffstat (limited to 'board/compulab')
| -rw-r--r-- | board/compulab/cm_t35/Makefile | 46 | ||||
| -rw-r--r-- | board/compulab/cm_t35/cm_t35.c | 617 | ||||
| -rw-r--r-- | board/compulab/cm_t35/display.c | 420 | ||||
| -rw-r--r-- | board/compulab/cm_t35/eeprom.c | 130 | ||||
| -rw-r--r-- | board/compulab/cm_t35/eeprom.h | 38 | ||||
| -rw-r--r-- | board/compulab/cm_t35/leds.c | 44 |
6 files changed, 1295 insertions, 0 deletions
diff --git a/board/compulab/cm_t35/Makefile b/board/compulab/cm_t35/Makefile new file mode 100644 index 0000000..31d9bbb --- /dev/null +++ b/board/compulab/cm_t35/Makefile @@ -0,0 +1,46 @@ +# +# (C) Copyright 2011 - 2013 CompuLab, Ltd. <www.compulab.co.il> +# +# Authors: Nikita Kiryanov <nikita@compulab.co.il> +# Igor Grinberg <grinberg@compulab.co.il> +# +# 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. + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).o + +COBJS-$(CONFIG_DRIVER_OMAP34XX_I2C) += eeprom.o +COBJS-$(CONFIG_LCD) += display.o + +COBJS := cm_t35.o leds.o $(COBJS-y) + +SRCS := $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) + +$(LIB): $(obj).depend $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/compulab/cm_t35/cm_t35.c b/board/compulab/cm_t35/cm_t35.c new file mode 100644 index 0000000..b0b80e5 --- /dev/null +++ b/board/compulab/cm_t35/cm_t35.c @@ -0,0 +1,617 @@ +/* + * (C) Copyright 2011 - 2013 CompuLab, Ltd. <www.compulab.co.il> + * + * Authors: Mike Rapoport <mike@compulab.co.il> + * Igor Grinberg <grinberg@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. + */ + +#include <common.h> +#include <status_led.h> +#include <netdev.h> +#include <net.h> +#include <i2c.h> +#include <usb.h> +#include <mmc.h> +#include <nand.h> +#include <twl4030.h> +#include <bmp_layout.h> +#include <linux/compiler.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> +#include <asm/ehci-omap.h> +#include <asm/gpio.h> + +#include "eeprom.h" + +DECLARE_GLOBAL_DATA_PTR; + +const omap3_sysinfo sysinfo = { + DDR_DISCRETE, + "CM-T3x 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, +}; + +#ifdef CONFIG_LCD +#ifdef CONFIG_CMD_NAND +static int splash_load_from_nand(u32 bmp_load_addr) +{ + struct bmp_header *bmp_hdr; + int res, splash_screen_nand_offset = 0x100000; + size_t bmp_size, bmp_header_size = sizeof(struct bmp_header); + + if (bmp_load_addr + bmp_header_size >= gd->start_addr_sp) + goto splash_address_too_high; + + res = nand_read_skip_bad(&nand_info[nand_curr_device], + splash_screen_nand_offset, &bmp_header_size, + NULL, nand_info[nand_curr_device].size, + (u_char *)bmp_load_addr); + if (res < 0) + return res; + + bmp_hdr = (struct bmp_header *)bmp_load_addr; + bmp_size = le32_to_cpu(bmp_hdr->file_size); + + if (bmp_load_addr + bmp_size >= gd->start_addr_sp) + goto splash_address_too_high; + + return nand_read_skip_bad(&nand_info[nand_curr_device], + splash_screen_nand_offset, &bmp_size, + NULL, nand_info[nand_curr_device].size, + (u_char *)bmp_load_addr); + +splash_address_too_high: + printf("Error: splashimage address too high. Data overwrites U-Boot " + "and/or placed beyond DRAM boundaries.\n"); + + return -1; +} +#else +static inline int splash_load_from_nand(void) +{ + return -1; +} +#endif /* CONFIG_CMD_NAND */ + +int board_splash_screen_prepare(void) +{ + char *env_splashimage_value; + u32 bmp_load_addr; + + env_splashimage_value = getenv("splashimage"); + if (env_splashimage_value == NULL) + return -1; + + bmp_load_addr = simple_strtoul(env_splashimage_value, 0, 16); + if (bmp_load_addr == 0) { + printf("Error: bad splashimage address specified\n"); + return -1; + } + + return splash_load_from_nand(bmp_load_addr); +} +#endif /* CONFIG_LCD */ + +/* + * Routine: board_init + * Description: hardware init. + */ +int board_init(void) +{ + 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 */ + if (get_cpu_family() == CPU_OMAP34XX) + gd->bd->bi_arch_number = MACH_TYPE_CM_T35; + else + gd->bd->bi_arch_number = MACH_TYPE_CM_T3730; + + /* boot param addr */ + gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100); + +#if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT) + status_led_set(STATUS_LED_BOOT, STATUS_LED_ON); +#endif + + return 0; +} + +static u32 cm_t3x_rev; + +/* + * Routine: get_board_rev + * Description: read system revision + */ +u32 get_board_rev(void) +{ + if (!cm_t3x_rev) + cm_t3x_rev = cm_t3x_eeprom_get_board_rev(); + + return cm_t3x_rev; +}; + +/* + * Routine: misc_init_r + * Description: display die ID + */ +int misc_init_r(void) +{ + u32 board_rev = get_board_rev(); + u32 rev_major = board_rev / 100; + u32 rev_minor = board_rev - (rev_major * 100); + + if ((rev_minor / 10) * 10 == rev_minor) + rev_minor = rev_minor / 10; + + printf("PCB: %u.%u\n", rev_major, rev_minor); + 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. + */ +static void cm_t3x_set_common_muxconf(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*/ + + /* DVI enable */ + MUX_VAL(CP(GPMC_NCS3), (IDIS | PTU | DIS | M4));/*GPMC_nCS3*/ + + /* CM-T3x 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_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*/ + + /* 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*/ + + /* USB EHCI */ + MUX_VAL(CP(ETK_D0_ES2), (IEN | PTD | EN | M3)); /*HSUSB1_DT0*/ + MUX_VAL(CP(ETK_D1_ES2), (IEN | PTD | EN | M3)); /*HSUSB1_DT1*/ + MUX_VAL(CP(ETK_D2_ES2), (IEN | PTD | EN | M3)); /*HSUSB1_DT2*/ + MUX_VAL(CP(ETK_D7_ES2), (IEN | PTD | EN | M3)); /*HSUSB1_DT3*/ + MUX_VAL(CP(ETK_D4_ES2), (IEN | PTD | EN | M3)); /*HSUSB1_DT4*/ + MUX_VAL(CP(ETK_D5_ES2), (IEN | PTD | EN | M3)); /*HSUSB1_DT5*/ + MUX_VAL(CP(ETK_D6_ES2), (IEN | PTD | EN | M3)); /*HSUSB1_DT6*/ + MUX_VAL(CP(ETK_D3_ES2), (IEN | PTD | EN | M3)); /*HSUSB1_DT7*/ + MUX_VAL(CP(ETK_D8_ES2), (IEN | PTD | EN | M3)); /*HSUSB1_DIR*/ + MUX_VAL(CP(ETK_D9_ES2), (IEN | PTD | EN | M3)); /*HSUSB1_NXT*/ + MUX_VAL(CP(ETK_CTL_ES2), (IDIS | PTD | DIS | M3)); /*HSUSB1_CLK*/ + MUX_VAL(CP(ETK_CLK_ES2), (IDIS | PTU | DIS | M3)); /*HSUSB1_STP*/ + + MUX_VAL(CP(ETK_D14_ES2), (IEN | PTD | EN | M3)); /*HSUSB2_DT0*/ + MUX_VAL(CP(ETK_D15_ES2), (IEN | PTD | EN | M3)); /*HSUSB2_DT1*/ + MUX_VAL(CP(MCSPI1_CS3), (IEN | PTD | EN | M3)); /*HSUSB2_DT2*/ + MUX_VAL(CP(MCSPI2_CS1), (IEN | PTD | EN | M3)); /*HSUSB2_DT3*/ + MUX_VAL(CP(MCSPI2_SIMO), (IEN | PTD | EN | M3)); /*HSUSB2_DT4*/ + MUX_VAL(CP(MCSPI2_SOMI), (IEN | PTD | EN | M3)); /*HSUSB2_DT5*/ + MUX_VAL(CP(MCSPI2_CS0), (IEN | PTD | EN | M3)); /*HSUSB2_DT6*/ + MUX_VAL(CP(MCSPI2_CLK), (IEN | PTD | EN | M3)); /*HSUSB2_DT7*/ + MUX_VAL(CP(ETK_D12_ES2), (IEN | PTD | EN | M3)); /*HSUSB2_DIR*/ + MUX_VAL(CP(ETK_D13_ES2), (IEN | PTD | EN | M3)); /*HSUSB2_NXT*/ + MUX_VAL(CP(ETK_D10_ES2), (IDIS | PTD | DIS | M3)); /*HSUSB2_CLK*/ + MUX_VAL(CP(ETK_D11_ES2), (IDIS | PTU | DIS | M3)); /*HSUSB2_STP*/ + + /* SB_T35_USB_HUB_RESET_GPIO */ + MUX_VAL(CP(CAM_WEN), (IDIS | PTD | DIS | M4)); /*GPIO_167*/ + + /* I2C1 */ + MUX_VAL(CP(I2C1_SCL), (IEN | PTU | EN | M0)); /*I2C1_SCL*/ + MUX_VAL(CP(I2C1_SDA), (IEN | PTU | EN | M0)); /*I2C1_SDA*/ + /* I2C2 */ + MUX_VAL(CP(I2C2_SCL), (IEN | PTU | EN | M0)); /*I2C2_SCL*/ + MUX_VAL(CP(I2C2_SDA), (IEN | PTU | EN | M0)); /*I2C2_SDA*/ + /* I2C3 */ + MUX_VAL(CP(I2C3_SCL), (IEN | PTU | EN | M0)); /*I2C3_SCL*/ + MUX_VAL(CP(I2C3_SDA), (IEN | PTU | EN | M0)); /*I2C3_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 | PTU | 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*/ + + /* MMC1 */ + MUX_VAL(CP(MMC1_CLK), (IDIS | PTU | EN | M0)); /*MMC1_CLK*/ + MUX_VAL(CP(MMC1_CMD), (IEN | PTU | EN | M0)); /*MMC1_CMD*/ + MUX_VAL(CP(MMC1_DAT0), (IEN | PTU | EN | M0)); /*MMC1_DAT0*/ + MUX_VAL(CP(MMC1_DAT1), (IEN | PTU | EN | M0)); /*MMC1_DAT1*/ + MUX_VAL(CP(MMC1_DAT2), (IEN | PTU | EN | M0)); /*MMC1_DAT2*/ + MUX_VAL(CP(MMC1_DAT3), (IEN | PTU | EN | M0)); /*MMC1_DAT3*/ +} + +static void cm_t35_set_muxconf(void) +{ + /* DSS */ + 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_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*/ + + /* MMC1 */ + MUX_VAL(CP(MMC1_DAT4), (IEN | PTU | EN | M0)); /*MMC1_DAT4*/ + MUX_VAL(CP(MMC1_DAT5), (IEN | PTU | EN | M0)); /*MMC1_DAT5*/ + MUX_VAL(CP(MMC1_DAT6), (IEN | PTU | EN | M0)); /*MMC1_DAT6*/ + MUX_VAL(CP(MMC1_DAT7), (IEN | PTU | EN | M0)); /*MMC1_DAT7*/ +} + +static void cm_t3730_set_muxconf(void) +{ + /* DSS */ + MUX_VAL(CP(DSS_DATA18), (IDIS | PTD | DIS | M3)); /*DSS_DATA0*/ + MUX_VAL(CP(DSS_DATA19), (IDIS | PTD | DIS | M3)); /*DSS_DATA1*/ + MUX_VAL(CP(DSS_DATA20), (IDIS | PTD | DIS | M3)); /*DSS_DATA2*/ + MUX_VAL(CP(DSS_DATA21), (IDIS | PTD | DIS | M3)); /*DSS_DATA3*/ + MUX_VAL(CP(DSS_DATA22), (IDIS | PTD | DIS | M3)); /*DSS_DATA4*/ + MUX_VAL(CP(DSS_DATA23), (IDIS | PTD | DIS | M3)); /*DSS_DATA5*/ + + MUX_VAL(CP(SYS_BOOT0), (IDIS | PTD | DIS | M3)); /*DSS_DATA18*/ + MUX_VAL(CP(SYS_BOOT1), (IDIS | PTD | DIS | M3)); /*DSS_DATA19*/ + MUX_VAL(CP(SYS_BOOT3), (IDIS | PTD | DIS | M3)); /*DSS_DATA20*/ + MUX_VAL(CP(SYS_BOOT4), (IDIS | PTD | DIS | M3)); /*DSS_DATA21*/ + MUX_VAL(CP(SYS_BOOT5), (IDIS | PTD | DIS | M3)); /*DSS_DATA22*/ + MUX_VAL(CP(SYS_BOOT6), (IDIS | PTD | DIS | M3)); /*DSS_DATA23*/ +} + +void set_muxconf_regs(void) +{ + cm_t3x_set_common_muxconf(); + + if (get_cpu_family() == CPU_OMAP34XX) + cm_t35_set_muxconf(); + else + cm_t3730_set_muxconf(); +} + +#ifdef CONFIG_GENERIC_MMC +int board_mmc_getcd(struct mmc *mmc) +{ + u8 val; + + if (twl4030_i2c_read_u8(TWL4030_CHIP_GPIO, TWL4030_BASEADD_GPIO, &val)) + return -1; + + return !(val & 1); +} + +int board_mmc_init(bd_t *bis) +{ + return omap_mmc_init(0, 0, 0, -1, 59); +} +#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_T3X_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, TWL4030_BASEADD_GPIO + 0x03, + 0x02); + /* Send a pulse on the GPIO pin */ + twl4030_i2c_write_u8(TWL4030_CHIP_GPIO, TWL4030_BASEADD_GPIO + 0x0C, + 0x02); + udelay(1); + twl4030_i2c_write_u8(TWL4030_CHIP_GPIO, TWL4030_BASEADD_GPIO + 0x09, + 0x02); + mdelay(40); + twl4030_i2c_write_u8(TWL4030_CHIP_GPIO, TWL4030_BASEADD_GPIO + 0x0C, + 0x02); + mdelay(1); +} +#else +static inline void reset_net_chip(void) {} +#endif + +#ifdef CONFIG_SMC911X +/* + * 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; + + rc = cm_t3x_eeprom_read_mac_addr(enetaddr); + if (rc) + return rc; + + 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; + + setup_net_chip_gmpc(); + reset_net_chip(); + + rc1 = handle_mac_address(); + if (rc1) + printf("No MAC address found! "); + + rc1 = smc911x_initialize(0, CM_T3X_SMC911X_BASE); + if (rc1 > 0) + rc++; + + rc1 = smc911x_initialize(1, SB_T35_SMC911X_BASE); + if (rc1 > 0) + rc++; + + return rc; +} +#endif + +void __weak get_board_serial(struct tag_serialnr *serialnr) +{ + /* + * This corresponds to what happens when we can communicate with the + * eeprom but don't get a valid board serial value. + */ + serialnr->low = 0; + serialnr->high = 0; +}; + +#ifdef CONFIG_USB_EHCI_OMAP +struct omap_usbhs_board_data usbhs_bdata = { + .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, +}; + +#define SB_T35_USB_HUB_RESET_GPIO 167 +int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor) +{ + u8 val; + int offset; + + if (gpio_request(SB_T35_USB_HUB_RESET_GPIO, "SB-T35 usb hub reset")) { + printf("Error: can't obtain GPIO %d for SB-T35 usb hub reset", + SB_T35_USB_HUB_RESET_GPIO); + return -1; + } + + gpio_direction_output(SB_T35_USB_HUB_RESET_GPIO, 0); + udelay(10); + gpio_set_value(SB_T35_USB_HUB_RESET_GPIO, 1); + udelay(1000); + + offset = TWL4030_BASEADD_GPIO + TWL4030_GPIO_GPIODATADIR1; + twl4030_i2c_read_u8(TWL4030_CHIP_GPIO, offset, &val); + /* Set GPIO6 and GPIO7 of TPS65930 as output */ + val |= 0xC0; + twl4030_i2c_write_u8(TWL4030_CHIP_GPIO, offset, val); + offset = TWL4030_BASEADD_GPIO + TWL4030_GPIO_SETGPIODATAOUT1; + /* Take both PHYs out of reset */ + twl4030_i2c_write_u8(TWL4030_CHIP_GPIO, offset, 0xC0); + udelay(1); + + return omap_ehci_hcd_init(&usbhs_bdata, hccr, hcor); +} + +int ehci_hcd_stop(void) +{ + return omap_ehci_hcd_stop(); +} + +#endif /* CONFIG_USB_EHCI_OMAP */ diff --git a/board/compulab/cm_t35/display.c b/board/compulab/cm_t35/display.c new file mode 100644 index 0000000..adc4853 --- /dev/null +++ b/board/compulab/cm_t35/display.c @@ -0,0 +1,420 @@ +/* + * (C) Copyright 2012 - 2013 CompuLab, Ltd. <www.compulab.co.il> + * + * Authors: Nikita Kiryanov <nikita@compulab.co.il> + * + * Parsing code based on linux/drivers/video/pxafb.c + * + * 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. + */ +#include <common.h> +#include <asm/gpio.h> +#include <asm/io.h> +#include <stdio_dev.h> +#include <asm/arch/dss.h> +#include <lcd.h> +#include <asm/arch-omap3/dss.h> + +DECLARE_GLOBAL_DATA_PTR; + +enum display_type { + NONE, + DVI, + DVI_CUSTOM, +}; + +#define CMAP_ADDR 0x80100000 + +/* + * The frame buffer is allocated before we have the chance to parse user input. + * To make sure enough memory is allocated for all resolutions, we define + * vl_{col | row} to the maximal resolution supported by OMAP3. + */ +vidinfo_t panel_info = { + .vl_col = 1400, + .vl_row = 1050, + .vl_bpix = LCD_BPP, + .cmap = (ushort *)CMAP_ADDR, +}; + +static struct panel_config panel_cfg; +static enum display_type lcd_def; + +/* + * A note on DVI presets; + * U-Boot can convert 8 bit BMP data to 16 bit BMP data, and OMAP DSS can + * convert 16 bit data into 24 bit data. Thus, GFXFORMAT_RGB16 allows us to + * support two BMP types with one setting. + */ +static const struct panel_config preset_dvi_640X480 = { + .lcd_size = PANEL_LCD_SIZE(640, 480), + .timing_h = DSS_HBP(48) | DSS_HFP(16) | DSS_HSW(96), + .timing_v = DSS_VBP(33) | DSS_VFP(10) | DSS_VSW(2), + .divisor = 12 | (1 << 16), + .data_lines = LCD_INTERFACE_24_BIT, + .panel_type = ACTIVE_DISPLAY, + .load_mode = 2, + .gfx_format = GFXFORMAT_RGB16, +}; + +static const struct panel_config preset_dvi_800X600 = { + .lcd_size = PANEL_LCD_SIZE(800, 600), + .timing_h = DSS_HBP(88) | DSS_HFP(40) | DSS_HSW(128), + .timing_v = DSS_VBP(23) | DSS_VFP(1) | DSS_VSW(4), + .divisor = 8 | (1 << 16), + .data_lines = LCD_INTERFACE_24_BIT, + .panel_type = ACTIVE_DISPLAY, + .load_mode = 2, + .gfx_format = GFXFORMAT_RGB16, +}; + +static const struct panel_config preset_dvi_1024X768 = { + .lcd_size = PANEL_LCD_SIZE(1024, 768), + .timing_h = DSS_HBP(160) | DSS_HFP(24) | DSS_HSW(136), + .timing_v = DSS_VBP(29) | DSS_VFP(3) | DSS_VSW(6), + .divisor = 5 | (1 << 16), + .data_lines = LCD_INTERFACE_24_BIT, + .panel_type = ACTIVE_DISPLAY, + .load_mode = 2, + .gfx_format = GFXFORMAT_RGB16, +}; + +static const struct panel_config preset_dvi_1152X864 = { + .lcd_size = PANEL_LCD_SIZE(1152, 864), + .timing_h = DSS_HBP(256) | DSS_HFP(64) | DSS_HSW(128), + .timing_v = DSS_VBP(32) | DSS_VFP(1) | DSS_VSW(3), + .divisor = 3 | (1 << 16), + .data_lines = LCD_INTERFACE_24_BIT, + .panel_type = ACTIVE_DISPLAY, + .load_mode = 2, + .gfx_format = GFXFORMAT_RGB16, +}; + +static const struct panel_config preset_dvi_1280X960 = { + .lcd_size = PANEL_LCD_SIZE(1280, 960), + .timing_h = DSS_HBP(312) | DSS_HFP(96) | DSS_HSW(112), + .timing_v = DSS_VBP(36) | DSS_VFP(1) | DSS_VSW(3), + .divisor = 3 | (1 << 16), + .data_lines = LCD_INTERFACE_24_BIT, + .panel_type = ACTIVE_DISPLAY, + .load_mode = 2, + .gfx_format = GFXFORMAT_RGB16, +}; + +static const struct panel_config preset_dvi_1280X1024 = { + .lcd_size = PANEL_LCD_SIZE(1280, 1024), + .timing_h = DSS_HBP(248) | DSS_HFP(48) | DSS_HSW(112), + .timing_v = DSS_VBP(38) | DSS_VFP(1) | DSS_VSW(3), + .divisor = 3 | (1 << 16), + .data_lines = LCD_INTERFACE_24_BIT, + .panel_type = ACTIVE_DISPLAY, + .load_mode = 2, + .gfx_format = GFXFORMAT_RGB16, +}; + +/* + * set_resolution_params() + * + * Due to usage of multiple display related APIs resolution data is located in + * more than one place. This function updates them all. + */ +static void set_resolution_params(int x, int y) +{ + panel_cfg.lcd_size = PANEL_LCD_SIZE(x, y); + panel_info.vl_col = x; + panel_info.vl_row = y; + lcd_line_length = (panel_info.vl_col * NBITS(panel_info.vl_bpix)) / 8; +} + +static void set_preset(const struct panel_config preset, int x_res, int y_res) +{ + panel_cfg = preset; + set_resolution_params(x_res, y_res); +} + +static enum display_type set_dvi_preset(const struct panel_config preset, + int x_res, int y_res) +{ + set_preset(preset, x_res, y_res); + return DVI; +} + +/* + * parse_mode() - parse the mode parameter of custom lcd settings + * + * @mode: <res_x>x<res_y> + * + * Returns -1 on error, 0 on success. + */ +static int parse_mode(const char *mode) +{ + unsigned int modelen = strlen(mode); + int res_specified = 0; + unsigned int xres = 0, yres = 0; + int yres_specified = 0; + int i; + + for (i = modelen - 1; i >= 0; i--) { + switch (mode[i]) { + case 'x': + if (!yres_specified) { + yres = simple_strtoul(&mode[i + 1], NULL, 0); + yres_specified = 1; + } else { + goto done_parsing; + } + + break; + case '0' ... '9': + break; + default: + goto done_parsing; + } + } + + if (i < 0 && yres_specified) { + xres = simple_strtoul(mode, NULL, 0); + res_specified = 1; + } + +done_parsing: + if (res_specified) { + set_resolution_params(xres, yres); + } else { + printf("LCD: invalid mode: %s\n", mode); + return -1; + } + + return 0; +} + +#define PIXEL_CLK_NUMERATOR (26 * 432 / 39) +/* + * parse_pixclock() - Parse the pixclock parameter of custom lcd settings + * + * @pixclock: the desired pixel clock + * + * Returns -1 on error, 0 on success. + * + * Handling the pixel_clock: + * + * Pixel clock is defined in the OMAP35x TRM as follows: + * pixel_clock = + * (SYS_CLK * 2 * PRCM.CM_CLKSEL2_PLL[18:8]) / + * (DSS.DISPC_DIVISOR[23:16] * DSS.DISPC_DIVISOR[6:0] * + * PRCM.CM_CLKSEL_DSS[4:0] * (PRCM.CM_CLKSEL2_PLL[6:0] + 1)) + * + * In practice, this means that in order to set the + * divisor for the desired pixel clock one needs to + * solve the following equation: + * + * 26 * 432 / (39 * <pixel_clock>) = DSS.DISPC_DIVISOR[6:0] + * + * NOTE: the explicit equation above is reduced. Do not + * try to infer anything from these numbers. + */ +static int parse_pixclock(char *pixclock) +{ + int divisor, pixclock_val; + char *pixclk_start = pixclock; + + pixclock_val = simple_strtoul(pixclock, &pixclock, 10); + divisor = DIV_ROUND_UP(PIXEL_CLK_NUMERATOR, pixclock_val); + /* 0 and 1 are illegal values for PCD */ + if (divisor <= 1) + divisor = 2; + + panel_cfg.divisor = divisor | (1 << 16); + if (pixclock[0] != '\0') { + printf("LCD: invalid value for pixclock:%s\n", pixclk_start); + return -1; + } + + return 0; +} + +/* + * parse_setting() - parse a single setting of custom lcd parameters + * + * @setting: The custom lcd setting <name>:<value> + * + * Returns -1 on failure, 0 on success. + */ +static int parse_setting(char *setting) +{ + int num_val; + char *setting_start = setting; + + if (!strncmp(setting, "mode:", 5)) { + return parse_mode(setting + 5); + } else if (!strncmp(setting, "pixclock:", 9)) { + return parse_pixclock(setting + 9); + } else if (!strncmp(setting, "left:", 5)) { + num_val = simple_strtoul(setting + 5, &setting, 0); + panel_cfg.timing_h |= DSS_HBP(num_val); + } else if (!strncmp(setting, "right:", 6)) { + num_val = simple_strtoul(setting + 6, &setting, 0); + panel_cfg.timing_h |= DSS_HFP(num_val); + } else if (!strncmp(setting, "upper:", 6)) { + num_val = simple_strtoul(setting + 6, &setting, 0); + panel_cfg.timing_v |= DSS_VBP(num_val); + } else if (!strncmp(setting, "lower:", 6)) { + num_val = simple_strtoul(setting + 6, &setting, 0); + panel_cfg.timing_v |= DSS_VFP(num_val); + } else if (!strncmp(setting, "hsynclen:", 9)) { + num_val = simple_strtoul(setting + 9, &setting, 0); + panel_cfg.timing_h |= DSS_HSW(num_val); + } else if (!strncmp(setting, "vsynclen:", 9)) { + num_val = simple_strtoul(setting + 9, &setting, 0); + panel_cfg.timing_v |= DSS_VSW(num_val); + } else if (!strncmp(setting, "hsync:", 6)) { + if (simple_strtoul(setting + 6, &setting, 0) == 0) + panel_cfg.pol_freq |= DSS_IHS; + else + panel_cfg.pol_freq &= ~DSS_IHS; + } else if (!strncmp(setting, "vsync:", 6)) { + if (simple_strtoul(setting + 6, &setting, 0) == 0) + panel_cfg.pol_freq |= DSS_IVS; + else + panel_cfg.pol_freq &= ~DSS_IVS; + } else if (!strncmp(setting, "outputen:", 9)) { + if (simple_strtoul(setting + 9, &setting, 0) == 0) + panel_cfg.pol_freq |= DSS_IEO; + else + panel_cfg.pol_freq &= ~DSS_IEO; + } else if (!strncmp(setting, "pixclockpol:", 12)) { + if (simple_strtoul(setting + 12, &setting, 0) == 0) + panel_cfg.pol_freq |= DSS_IPC; + else + panel_cfg.pol_freq &= ~DSS_IPC; + } else if (!strncmp(setting, "active", 6)) { + panel_cfg.panel_type = ACTIVE_DISPLAY; + return 0; /* Avoid sanity check below */ + } else if (!strncmp(setting, "passive", 7)) { + panel_cfg.panel_type = PASSIVE_DISPLAY; + return 0; /* Avoid sanity check below */ + } else if (!strncmp(setting, "display:", 8)) { + if (!strncmp(setting + 8, "dvi", 3)) { + lcd_def = DVI_CUSTOM; + return 0; /* Avoid sanity check below */ + } + } else { + printf("LCD: unknown option %s\n", setting_start); + return -1; + } + + if (setting[0] != '\0') { + printf("LCD: invalid value for %s\n", setting_start); + return -1; + } + + return 0; +} + +/* + * env_parse_customlcd() - parse custom lcd params from an environment variable. + * + * @custom_lcd_params: The environment variable containing the lcd params. + * + * Returns -1 on failure, 0 on success. + */ +static int parse_customlcd(char *custom_lcd_params) +{ + char params_cpy[160]; + char *setting; + + strncpy(params_cpy, custom_lcd_params, 160); + setting = strtok(params_cpy, ","); + while (setting) { + if (parse_setting(setting) < 0) + return -1; + + setting = strtok(NULL, ","); + } + + /* Currently we don't support changing this via custom lcd params */ + panel_cfg.data_lines = LCD_INTERFACE_24_BIT; + panel_cfg.gfx_format = GFXFORMAT_RGB16; /* See dvi predefines note */ + + return 0; +} + +/* + * env_parse_displaytype() - parse display type. + * + * Parses the environment variable "displaytype", which contains the + * name of the display type or preset, in which case it applies its + * configurations. + * + * Returns the type of display that was specified. + */ +static enum display_type env_parse_displaytype(char *displaytype) +{ + if (!strncmp(displaytype, "dvi640x480", 10)) + return set_dvi_preset(preset_dvi_640X480, 640, 480); + else if (!strncmp(displaytype, "dvi800x600", 10)) + return set_dvi_preset(preset_dvi_800X600, 800, 600); + else if (!strncmp(displaytype, "dvi1024x768", 11)) + return set_dvi_preset(preset_dvi_1024X768, 1024, 768); + else if (!strncmp(displaytype, "dvi1152x864", 11)) + return set_dvi_preset(preset_dvi_1152X864, 1152, 864); + else if (!strncmp(displaytype, "dvi1280x960", 11)) + return set_dvi_preset(preset_dvi_1280X960, 1280, 960); + else if (!strncmp(displaytype, "dvi1280x1024", 12)) + return set_dvi_preset(preset_dvi_1280X1024, 1280, 1024); + + return NONE; +} + +void lcd_ctrl_init(void *lcdbase) +{ + struct prcm *prcm = (struct prcm *)PRCM_BASE; + char *custom_lcd; + char *displaytype = getenv("displaytype"); + + if (displaytype == NULL) + return; + + lcd_def = env_parse_displaytype(displaytype); + /* If we did not recognize the preset, check if it's an env variable */ + if (lcd_def == NONE) { + custom_lcd = getenv(displaytype); + if (custom_lcd == NULL || parse_customlcd(custom_lcd) < 0) + return; + } + + panel_cfg.frame_buffer = lcdbase; + omap3_dss_panel_config(&panel_cfg); + /* + * Pixel clock is defined with many divisions and only few + * multiplications of the system clock. Since DSS FCLK divisor is set + * to 16 by default, we need to set it to a smaller value, like 3 + * (chosen via trial and error). + */ + clrsetbits_le32(&prcm->clksel_dss, 0xF, 3); +} + +void lcd_enable(void) +{ + if (lcd_def == DVI || lcd_def == DVI_CUSTOM) { + gpio_direction_output(54, 0); /* Turn on DVI */ + omap3_dss_enable(); + } +} + +void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blue) {} diff --git a/board/compulab/cm_t35/eeprom.c b/board/compulab/cm_t35/eeprom.c new file mode 100644 index 0000000..b0af103 --- /dev/null +++ b/board/compulab/cm_t35/eeprom.c @@ -0,0 +1,130 @@ +/* + * (C) Copyright 2011 CompuLab, Ltd. <www.compulab.co.il> + * + * Authors: Nikita Kiryanov <nikita@compulab.co.il> + * Igor Grinberg <grinberg@compulab.co.il> + * + * 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. + */ + +#include <common.h> +#include <i2c.h> + +#define EEPROM_LAYOUT_VER_OFFSET 44 +#define BOARD_SERIAL_OFFSET 20 +#define BOARD_SERIAL_OFFSET_LEGACY 8 +#define BOARD_REV_OFFSET 0 +#define BOARD_REV_OFFSET_LEGACY 6 +#define BOARD_REV_SIZE 2 +#define MAC_ADDR_OFFSET 4 +#define MAC_ADDR_OFFSET_LEGACY 0 + +#define LAYOUT_INVALID 0 +#define LAYOUT_LEGACY 0xff + +static int eeprom_layout; /* Implicitly LAYOUT_INVALID */ + +static int cm_t3x_eeprom_read(uint offset, uchar *buf, int len) +{ + return i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, offset, + CONFIG_SYS_I2C_EEPROM_ADDR_LEN, buf, len); +} + +static int eeprom_setup_layout(void) +{ + int res; + + if (eeprom_layout != LAYOUT_INVALID) + return 0; + + res = cm_t3x_eeprom_read(EEPROM_LAYOUT_VER_OFFSET, + (uchar *)&eeprom_layout, 1); + if (res) { + eeprom_layout = LAYOUT_INVALID; + return res; + } + + if (eeprom_layout == 0 || eeprom_layout >= 0x20) + eeprom_layout = LAYOUT_LEGACY; + + return 0; +} + +void get_board_serial(struct tag_serialnr *serialnr) +{ + u32 serial[2]; + uint offset; + + memset(serialnr, 0, sizeof(*serialnr)); + if (eeprom_setup_layout()) + return; + + offset = (eeprom_layout != LAYOUT_LEGACY) ? + BOARD_SERIAL_OFFSET : BOARD_SERIAL_OFFSET_LEGACY; + if (cm_t3x_eeprom_read(offset, (uchar *)serial, 8)) + return; + + if (serial[0] != 0xffffffff && serial[1] != 0xffffffff) { + serialnr->low = serial[0]; + serialnr->high = serial[1]; + } +} + +/* + * Routine: cm_t3x_eeprom_read_mac_addr + * Description: read mac address and store it in buf. + */ +int cm_t3x_eeprom_read_mac_addr(uchar *buf) +{ + uint offset; + + if (eeprom_setup_layout()) + return 0; + + offset = (eeprom_layout != LAYOUT_LEGACY) ? + MAC_ADDR_OFFSET : MAC_ADDR_OFFSET_LEGACY; + return cm_t3x_eeprom_read(offset, buf, 6); +} + +/* + * Routine: cm_t3x_eeprom_get_board_rev + * Description: read system revision from eeprom + */ +u32 cm_t3x_eeprom_get_board_rev(void) +{ + u32 rev = 0; + char str[5]; /* Legacy representation can contain at most 4 digits */ + uint offset = BOARD_REV_OFFSET_LEGACY; + + if (eeprom_setup_layout()) + return 0; + + if (eeprom_layout != LAYOUT_LEGACY) + offset = BOARD_REV_OFFSET; + + if (cm_t3x_eeprom_read(offset, (uchar *)&rev, BOARD_REV_SIZE)) + return 0; + + /* + * Convert legacy syntactic representation to semantic + * representation. i.e. for rev 1.00: 0x100 --> 0x64 + */ + if (eeprom_layout == LAYOUT_LEGACY) { + sprintf(str, "%x", rev); + rev = simple_strtoul(str, NULL, 10); + } + + return rev; +}; diff --git a/board/compulab/cm_t35/eeprom.h b/board/compulab/cm_t35/eeprom.h new file mode 100644 index 0000000..38824d1 --- /dev/null +++ b/board/compulab/cm_t35/eeprom.h @@ -0,0 +1,38 @@ +/* + * (C) Copyright 2011 CompuLab, Ltd. <www.compulab.co.il> + * + * Authors: Nikita Kiryanov <nikita@compulab.co.il> + * Igor Grinberg <grinberg@compulab.co.il> + * + * 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. + */ +#ifndef _EEPROM_ +#define _EEPROM_ + +#ifdef CONFIG_DRIVER_OMAP34XX_I2C +int cm_t3x_eeprom_read_mac_addr(uchar *buf); +u32 cm_t3x_eeprom_get_board_rev(void); +#else +static inline int cm_t3x_eeprom_read_mac_addr(uchar *buf) +{ + return 1; +} +static inline u32 cm_t3x_eeprom_get_board_rev(void) +{ + return 0; +} +#endif + +#endif diff --git a/board/compulab/cm_t35/leds.c b/board/compulab/cm_t35/leds.c new file mode 100644 index 0000000..dcae135 --- /dev/null +++ b/board/compulab/cm_t35/leds.c @@ -0,0 +1,44 @@ +/* + * (C) Copyright 2011 - 2013 CompuLab, Ltd. <www.compulab.co.il> + * + * Author: Igor Grinberg <grinberg@compulab.co.il> + * + * 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. + */ +#include <common.h> +#include <status_led.h> +#include <asm/gpio.h> + +static unsigned int leds[] = { GREEN_LED_GPIO }; + +void __led_init(led_id_t mask, int state) +{ + if (gpio_request(leds[mask], "") != 0) { + printf("%s: failed requesting GPIO%u\n", __func__, leds[mask]); + return; + } + + gpio_direction_output(leds[mask], 0); +} + +void __led_set(led_id_t mask, int state) +{ + gpio_set_value(leds[mask], state == STATUS_LED_ON); +} + +void __led_toggle(led_id_t mask) +{ + gpio_set_value(leds[mask], !gpio_get_value(leds[mask])); +} |