Davinci: tnetv107x evm board initial support
Added support for tnetv107x evaluation module. Signed-off-by: Cyril Chemparathy <cyril@ti.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>hifive-unleashed-5.1
Cyril Chemparathy
Kevin Hilman
parent
d92c796247
commit
57a58a2e44
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@ -178,6 +178,13 @@ config DA850_UI_RMII
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endchoice
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config MACH_TNETV107X
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bool "TI TNETV107X Reference Platform"
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default ARCH_DAVINCI_TNETV107X
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depends on ARCH_DAVINCI_TNETV107X
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help
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Say Y here to select the TI TNETV107X Evaluation Module.
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config DAVINCI_MUX
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bool "DAVINCI multiplexing support"
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depends on ARCH_DAVINCI
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@ -32,6 +32,7 @@ obj-$(CONFIG_MACH_DAVINCI_DM6467_EVM) += board-dm646x-evm.o cdce949.o
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obj-$(CONFIG_MACH_DAVINCI_DM365_EVM) += board-dm365-evm.o
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obj-$(CONFIG_MACH_DAVINCI_DA830_EVM) += board-da830-evm.o
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obj-$(CONFIG_MACH_DAVINCI_DA850_EVM) += board-da850-evm.o
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obj-$(CONFIG_MACH_TNETV107X) += board-tnetv107x-evm.o
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# Power Management
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obj-$(CONFIG_CPU_FREQ) += cpufreq.o
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@ -0,0 +1,174 @@
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/*
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* Texas Instruments TNETV107X EVM Board Support
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*
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* Copyright (C) 2010 Texas Instruments
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation version 2.
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*
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* This program is distributed "as is" WITHOUT ANY WARRANTY of any
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* kind, whether express or implied; without even the implied warranty
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/console.h>
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#include <linux/dma-mapping.h>
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#include <linux/interrupt.h>
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#include <linux/gpio.h>
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#include <linux/delay.h>
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#include <linux/platform_device.h>
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#include <linux/ratelimit.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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#include <asm/mach/arch.h>
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#include <asm/mach-types.h>
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#include <mach/irqs.h>
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#include <mach/edma.h>
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#include <mach/mux.h>
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#include <mach/cp_intc.h>
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#include <mach/tnetv107x.h>
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#define EVM_MMC_WP_GPIO 21
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#define EVM_MMC_CD_GPIO 24
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static int initialize_gpio(int gpio, char *desc)
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{
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int ret;
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ret = gpio_request(gpio, desc);
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if (ret < 0) {
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pr_err_ratelimited("cannot open %s gpio\n", desc);
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return -ENOSYS;
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}
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gpio_direction_input(gpio);
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return gpio;
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}
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static int mmc_get_cd(int index)
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{
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static int gpio;
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if (!gpio)
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gpio = initialize_gpio(EVM_MMC_CD_GPIO, "mmc card detect");
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if (gpio < 0)
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return gpio;
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return gpio_get_value(gpio) ? 0 : 1;
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}
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static int mmc_get_ro(int index)
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{
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static int gpio;
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if (!gpio)
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gpio = initialize_gpio(EVM_MMC_WP_GPIO, "mmc write protect");
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if (gpio < 0)
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return gpio;
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return gpio_get_value(gpio) ? 1 : 0;
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}
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static struct davinci_mmc_config mmc_config = {
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.get_cd = mmc_get_cd,
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.get_ro = mmc_get_ro,
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.wires = 4,
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.max_freq = 50000000,
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.caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
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.version = MMC_CTLR_VERSION_1,
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};
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static const short sdio1_pins[] __initdata = {
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TNETV107X_SDIO1_CLK_1, TNETV107X_SDIO1_CMD_1,
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TNETV107X_SDIO1_DATA0_1, TNETV107X_SDIO1_DATA1_1,
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TNETV107X_SDIO1_DATA2_1, TNETV107X_SDIO1_DATA3_1,
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TNETV107X_GPIO21, TNETV107X_GPIO24,
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-1
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};
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static const short uart1_pins[] __initdata = {
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TNETV107X_UART1_RD, TNETV107X_UART1_TD,
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-1
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};
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static struct mtd_partition nand_partitions[] = {
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/* bootloader (U-Boot, etc) in first 12 sectors */
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{
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.name = "bootloader",
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.offset = 0,
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.size = (12*SZ_128K),
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.mask_flags = MTD_WRITEABLE, /* force read-only */
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},
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/* bootloader params in the next sector */
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{
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.name = "params",
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.offset = MTDPART_OFS_NXTBLK,
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.size = SZ_128K,
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.mask_flags = MTD_WRITEABLE, /* force read-only */
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},
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/* kernel */
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{
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.name = "kernel",
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.offset = MTDPART_OFS_NXTBLK,
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.size = SZ_4M,
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.mask_flags = 0,
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},
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/* file system */
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{
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.name = "filesystem",
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.offset = MTDPART_OFS_NXTBLK,
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.size = MTDPART_SIZ_FULL,
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.mask_flags = 0,
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}
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};
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static struct davinci_nand_pdata nand_config = {
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.mask_cle = 0x4000,
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.mask_ale = 0x2000,
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.parts = nand_partitions,
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.nr_parts = ARRAY_SIZE(nand_partitions),
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.ecc_mode = NAND_ECC_HW,
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.options = NAND_USE_FLASH_BBT,
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.ecc_bits = 1,
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};
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static struct davinci_uart_config serial_config __initconst = {
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.enabled_uarts = BIT(1),
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};
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static struct tnetv107x_device_info evm_device_info __initconst = {
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.serial_config = &serial_config,
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.mmc_config[1] = &mmc_config, /* controller 1 */
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.nand_config[0] = &nand_config, /* chip select 0 */
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};
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static __init void tnetv107x_evm_board_init(void)
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{
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davinci_cfg_reg_list(sdio1_pins);
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davinci_cfg_reg_list(uart1_pins);
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tnetv107x_devices_init(&evm_device_info);
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}
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#ifdef CONFIG_SERIAL_8250_CONSOLE
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static int __init tnetv107x_evm_console_init(void)
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{
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return add_preferred_console("ttyS", 0, "115200");
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}
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console_initcall(tnetv107x_evm_console_init);
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#endif
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MACHINE_START(TNETV107X, "TNETV107X EVM")
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.phys_io = TNETV107X_IO_BASE,
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.io_pg_offst = (TNETV107X_IO_VIRT >> 18) & 0xfffc,
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.boot_params = (TNETV107X_DDR_BASE + 0x100),
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.map_io = tnetv107x_init,
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.init_irq = cp_intc_init,
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.timer = &davinci_timer,
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.init_machine = tnetv107x_evm_board_init,
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MACHINE_END
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