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Merge branch 'davinci-for-linus' of git://git.kernel.org/pub/scm/linu…
…x/kernel/git/khilman/linux-davinci * 'davinci-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-davinci: davinci: dm646x EVM: Specify reserved EDMA channel/slots davinci: da8xx/omapl EVM: Specify reserved channels/slots davinci: support for EDMA resource sharing davinci: edma: provide ability to detect insufficient CC info data davinci: da8xx: sparse cleanup: remove duplicate entries in irq priorities davinci: DM365: fixed second serial port Davinci: tnetv107x evm board initial support Davinci: tnetv107x initial gpio support Davinci: tnetv107x soc support Davinci: tnetv107x decompresser uart definitions Davinci: generalized debug macros
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,174 @@ | ||
| /* | ||
| * Texas Instruments TNETV107X EVM Board Support | ||
| * | ||
| * Copyright (C) 2010 Texas Instruments | ||
| * | ||
| * 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 version 2. | ||
| * | ||
| * This program is distributed "as is" WITHOUT ANY WARRANTY of any | ||
| * kind, whether express or implied; without even the implied warranty | ||
| * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| */ | ||
| #include <linux/kernel.h> | ||
| #include <linux/init.h> | ||
| #include <linux/console.h> | ||
| #include <linux/dma-mapping.h> | ||
| #include <linux/interrupt.h> | ||
| #include <linux/gpio.h> | ||
| #include <linux/delay.h> | ||
| #include <linux/platform_device.h> | ||
| #include <linux/ratelimit.h> | ||
| #include <linux/mtd/mtd.h> | ||
| #include <linux/mtd/partitions.h> | ||
| #include <asm/mach/arch.h> | ||
| #include <asm/mach-types.h> | ||
|
|
||
| #include <mach/irqs.h> | ||
| #include <mach/edma.h> | ||
| #include <mach/mux.h> | ||
| #include <mach/cp_intc.h> | ||
| #include <mach/tnetv107x.h> | ||
|
|
||
| #define EVM_MMC_WP_GPIO 21 | ||
| #define EVM_MMC_CD_GPIO 24 | ||
|
|
||
| static int initialize_gpio(int gpio, char *desc) | ||
| { | ||
| int ret; | ||
|
|
||
| ret = gpio_request(gpio, desc); | ||
| if (ret < 0) { | ||
| pr_err_ratelimited("cannot open %s gpio\n", desc); | ||
| return -ENOSYS; | ||
| } | ||
| gpio_direction_input(gpio); | ||
| return gpio; | ||
| } | ||
|
|
||
| static int mmc_get_cd(int index) | ||
| { | ||
| static int gpio; | ||
|
|
||
| if (!gpio) | ||
| gpio = initialize_gpio(EVM_MMC_CD_GPIO, "mmc card detect"); | ||
|
|
||
| if (gpio < 0) | ||
| return gpio; | ||
|
|
||
| return gpio_get_value(gpio) ? 0 : 1; | ||
| } | ||
|
|
||
| static int mmc_get_ro(int index) | ||
| { | ||
| static int gpio; | ||
|
|
||
| if (!gpio) | ||
| gpio = initialize_gpio(EVM_MMC_WP_GPIO, "mmc write protect"); | ||
|
|
||
| if (gpio < 0) | ||
| return gpio; | ||
|
|
||
| return gpio_get_value(gpio) ? 1 : 0; | ||
| } | ||
|
|
||
| static struct davinci_mmc_config mmc_config = { | ||
| .get_cd = mmc_get_cd, | ||
| .get_ro = mmc_get_ro, | ||
| .wires = 4, | ||
| .max_freq = 50000000, | ||
| .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED, | ||
| .version = MMC_CTLR_VERSION_1, | ||
| }; | ||
|
|
||
| static const short sdio1_pins[] __initdata = { | ||
| TNETV107X_SDIO1_CLK_1, TNETV107X_SDIO1_CMD_1, | ||
| TNETV107X_SDIO1_DATA0_1, TNETV107X_SDIO1_DATA1_1, | ||
| TNETV107X_SDIO1_DATA2_1, TNETV107X_SDIO1_DATA3_1, | ||
| TNETV107X_GPIO21, TNETV107X_GPIO24, | ||
| -1 | ||
| }; | ||
|
|
||
| static const short uart1_pins[] __initdata = { | ||
| TNETV107X_UART1_RD, TNETV107X_UART1_TD, | ||
| -1 | ||
| }; | ||
|
|
||
| static struct mtd_partition nand_partitions[] = { | ||
| /* bootloader (U-Boot, etc) in first 12 sectors */ | ||
| { | ||
| .name = "bootloader", | ||
| .offset = 0, | ||
| .size = (12*SZ_128K), | ||
| .mask_flags = MTD_WRITEABLE, /* force read-only */ | ||
| }, | ||
| /* bootloader params in the next sector */ | ||
| { | ||
| .name = "params", | ||
| .offset = MTDPART_OFS_NXTBLK, | ||
| .size = SZ_128K, | ||
| .mask_flags = MTD_WRITEABLE, /* force read-only */ | ||
| }, | ||
| /* kernel */ | ||
| { | ||
| .name = "kernel", | ||
| .offset = MTDPART_OFS_NXTBLK, | ||
| .size = SZ_4M, | ||
| .mask_flags = 0, | ||
| }, | ||
| /* file system */ | ||
| { | ||
| .name = "filesystem", | ||
| .offset = MTDPART_OFS_NXTBLK, | ||
| .size = MTDPART_SIZ_FULL, | ||
| .mask_flags = 0, | ||
| } | ||
| }; | ||
|
|
||
| static struct davinci_nand_pdata nand_config = { | ||
| .mask_cle = 0x4000, | ||
| .mask_ale = 0x2000, | ||
| .parts = nand_partitions, | ||
| .nr_parts = ARRAY_SIZE(nand_partitions), | ||
| .ecc_mode = NAND_ECC_HW, | ||
| .options = NAND_USE_FLASH_BBT, | ||
| .ecc_bits = 1, | ||
| }; | ||
|
|
||
| static struct davinci_uart_config serial_config __initconst = { | ||
| .enabled_uarts = BIT(1), | ||
| }; | ||
|
|
||
| static struct tnetv107x_device_info evm_device_info __initconst = { | ||
| .serial_config = &serial_config, | ||
| .mmc_config[1] = &mmc_config, /* controller 1 */ | ||
| .nand_config[0] = &nand_config, /* chip select 0 */ | ||
| }; | ||
|
|
||
| static __init void tnetv107x_evm_board_init(void) | ||
| { | ||
| davinci_cfg_reg_list(sdio1_pins); | ||
| davinci_cfg_reg_list(uart1_pins); | ||
|
|
||
| tnetv107x_devices_init(&evm_device_info); | ||
| } | ||
|
|
||
| #ifdef CONFIG_SERIAL_8250_CONSOLE | ||
| static int __init tnetv107x_evm_console_init(void) | ||
| { | ||
| return add_preferred_console("ttyS", 0, "115200"); | ||
| } | ||
| console_initcall(tnetv107x_evm_console_init); | ||
| #endif | ||
|
|
||
| MACHINE_START(TNETV107X, "TNETV107X EVM") | ||
| .phys_io = TNETV107X_IO_BASE, | ||
| .io_pg_offst = (TNETV107X_IO_VIRT >> 18) & 0xfffc, | ||
| .boot_params = (TNETV107X_DDR_BASE + 0x100), | ||
| .map_io = tnetv107x_init, | ||
| .init_irq = cp_intc_init, | ||
| .timer = &davinci_timer, | ||
| .init_machine = tnetv107x_evm_board_init, | ||
| MACHINE_END |
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