1aa5f2a9c1
This patch adds machine checks in the serial console init routines for the DA8XX EVM boards. This is needed because there are other DA8XX based machines that use a different UART/tty as the console and may be included in a common kernel build. Signed-off-by: Michael Williamson <michael.williamson@criticallink.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
883 lines
21 KiB
C
883 lines
21 KiB
C
/*
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* TI DA850/OMAP-L138 EVM board
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*
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* Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/
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*
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* Derived from: arch/arm/mach-davinci/board-da830-evm.c
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* Original Copyrights follow:
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*
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* 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under
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* the terms of the GNU General Public License version 2. This program
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* is licensed "as is" without any warranty of any kind, whether express
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* or implied.
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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/i2c.h>
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#include <linux/i2c/at24.h>
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#include <linux/i2c/pca953x.h>
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#include <linux/mfd/tps6507x.h>
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#include <linux/gpio.h>
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#include <linux/platform_device.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/nand.h>
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#include <linux/mtd/partitions.h>
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#include <linux/mtd/physmap.h>
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#include <linux/regulator/machine.h>
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#include <linux/regulator/tps6507x.h>
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#include <linux/mfd/tps6507x.h>
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#include <linux/input/tps6507x-ts.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <mach/cp_intc.h>
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#include <mach/da8xx.h>
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#include <mach/nand.h>
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#include <mach/mux.h>
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#include <mach/aemif.h>
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#define DA850_EVM_PHY_MASK 0x1
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#define DA850_EVM_MDIO_FREQUENCY 2200000 /* PHY bus frequency */
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#define DA850_LCD_PWR_PIN GPIO_TO_PIN(2, 8)
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#define DA850_LCD_BL_PIN GPIO_TO_PIN(2, 15)
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#define DA850_MMCSD_CD_PIN GPIO_TO_PIN(4, 0)
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#define DA850_MMCSD_WP_PIN GPIO_TO_PIN(4, 1)
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#define DA850_MII_MDIO_CLKEN_PIN GPIO_TO_PIN(2, 6)
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static struct mtd_partition da850_evm_norflash_partition[] = {
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{
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.name = "bootloaders + env",
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.offset = 0,
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.size = SZ_512K,
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.mask_flags = MTD_WRITEABLE,
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},
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{
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.name = "kernel",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_2M,
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.mask_flags = 0,
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},
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{
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.name = "filesystem",
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.offset = MTDPART_OFS_APPEND,
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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 physmap_flash_data da850_evm_norflash_data = {
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.width = 2,
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.parts = da850_evm_norflash_partition,
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.nr_parts = ARRAY_SIZE(da850_evm_norflash_partition),
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};
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static struct resource da850_evm_norflash_resource[] = {
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{
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.start = DA8XX_AEMIF_CS2_BASE,
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.end = DA8XX_AEMIF_CS2_BASE + SZ_32M - 1,
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.flags = IORESOURCE_MEM,
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},
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};
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static struct platform_device da850_evm_norflash_device = {
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.name = "physmap-flash",
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.id = 0,
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.dev = {
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.platform_data = &da850_evm_norflash_data,
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},
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.num_resources = 1,
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.resource = da850_evm_norflash_resource,
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};
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static struct davinci_pm_config da850_pm_pdata = {
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.sleepcount = 128,
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};
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static struct platform_device da850_pm_device = {
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.name = "pm-davinci",
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.dev = {
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.platform_data = &da850_pm_pdata,
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},
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.id = -1,
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};
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/* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash
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* (128K blocks). It may be used instead of the (default) SPI flash
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* to boot, using TI's tools to install the secondary boot loader
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* (UBL) and U-Boot.
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*/
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static struct mtd_partition da850_evm_nandflash_partition[] = {
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{
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.name = "u-boot env",
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.offset = 0,
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.size = SZ_128K,
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.mask_flags = MTD_WRITEABLE,
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},
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{
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.name = "UBL",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_128K,
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.mask_flags = MTD_WRITEABLE,
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},
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{
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.name = "u-boot",
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.offset = MTDPART_OFS_APPEND,
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.size = 4 * SZ_128K,
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.mask_flags = MTD_WRITEABLE,
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},
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{
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.name = "kernel",
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.offset = 0x200000,
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.size = SZ_2M,
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.mask_flags = 0,
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},
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{
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.name = "filesystem",
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.offset = MTDPART_OFS_APPEND,
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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_aemif_timing da850_evm_nandflash_timing = {
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.wsetup = 24,
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.wstrobe = 21,
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.whold = 14,
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.rsetup = 19,
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.rstrobe = 50,
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.rhold = 0,
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.ta = 20,
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};
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static struct davinci_nand_pdata da850_evm_nandflash_data = {
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.parts = da850_evm_nandflash_partition,
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.nr_parts = ARRAY_SIZE(da850_evm_nandflash_partition),
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.ecc_mode = NAND_ECC_HW,
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.ecc_bits = 4,
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.options = NAND_USE_FLASH_BBT,
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.timing = &da850_evm_nandflash_timing,
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};
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static struct resource da850_evm_nandflash_resource[] = {
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{
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.start = DA8XX_AEMIF_CS3_BASE,
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.end = DA8XX_AEMIF_CS3_BASE + SZ_512K + 2 * SZ_1K - 1,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = DA8XX_AEMIF_CTL_BASE,
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.end = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
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.flags = IORESOURCE_MEM,
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},
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};
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static struct platform_device da850_evm_nandflash_device = {
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.name = "davinci_nand",
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.id = 1,
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.dev = {
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.platform_data = &da850_evm_nandflash_data,
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},
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.num_resources = ARRAY_SIZE(da850_evm_nandflash_resource),
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.resource = da850_evm_nandflash_resource,
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};
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static struct platform_device *da850_evm_devices[] __initdata = {
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&da850_evm_nandflash_device,
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&da850_evm_norflash_device,
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};
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#define DA8XX_AEMIF_CE2CFG_OFFSET 0x10
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#define DA8XX_AEMIF_ASIZE_16BIT 0x1
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static void __init da850_evm_init_nor(void)
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{
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void __iomem *aemif_addr;
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aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K);
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/* Configure data bus width of CS2 to 16 bit */
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writel(readl(aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET) |
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DA8XX_AEMIF_ASIZE_16BIT,
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aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET);
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iounmap(aemif_addr);
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}
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static const short da850_evm_nand_pins[] = {
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DA850_EMA_D_0, DA850_EMA_D_1, DA850_EMA_D_2, DA850_EMA_D_3,
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DA850_EMA_D_4, DA850_EMA_D_5, DA850_EMA_D_6, DA850_EMA_D_7,
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DA850_EMA_A_1, DA850_EMA_A_2, DA850_NEMA_CS_3, DA850_NEMA_CS_4,
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DA850_NEMA_WE, DA850_NEMA_OE,
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-1
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};
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static const short da850_evm_nor_pins[] = {
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DA850_EMA_BA_1, DA850_EMA_CLK, DA850_EMA_WAIT_1, DA850_NEMA_CS_2,
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DA850_NEMA_WE, DA850_NEMA_OE, DA850_EMA_D_0, DA850_EMA_D_1,
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DA850_EMA_D_2, DA850_EMA_D_3, DA850_EMA_D_4, DA850_EMA_D_5,
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DA850_EMA_D_6, DA850_EMA_D_7, DA850_EMA_D_8, DA850_EMA_D_9,
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DA850_EMA_D_10, DA850_EMA_D_11, DA850_EMA_D_12, DA850_EMA_D_13,
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DA850_EMA_D_14, DA850_EMA_D_15, DA850_EMA_A_0, DA850_EMA_A_1,
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DA850_EMA_A_2, DA850_EMA_A_3, DA850_EMA_A_4, DA850_EMA_A_5,
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DA850_EMA_A_6, DA850_EMA_A_7, DA850_EMA_A_8, DA850_EMA_A_9,
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DA850_EMA_A_10, DA850_EMA_A_11, DA850_EMA_A_12, DA850_EMA_A_13,
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DA850_EMA_A_14, DA850_EMA_A_15, DA850_EMA_A_16, DA850_EMA_A_17,
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DA850_EMA_A_18, DA850_EMA_A_19, DA850_EMA_A_20, DA850_EMA_A_21,
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DA850_EMA_A_22, DA850_EMA_A_23,
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-1
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};
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static u32 ui_card_detected;
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#if defined(CONFIG_MMC_DAVINCI) || \
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defined(CONFIG_MMC_DAVINCI_MODULE)
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#define HAS_MMC 1
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#else
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#define HAS_MMC 0
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#endif
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static inline void da850_evm_setup_nor_nand(void)
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{
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int ret = 0;
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if (ui_card_detected & !HAS_MMC) {
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ret = davinci_cfg_reg_list(da850_evm_nand_pins);
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if (ret)
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pr_warning("da850_evm_init: nand mux setup failed: "
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"%d\n", ret);
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ret = davinci_cfg_reg_list(da850_evm_nor_pins);
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if (ret)
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pr_warning("da850_evm_init: nor mux setup failed: %d\n",
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ret);
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da850_evm_init_nor();
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platform_add_devices(da850_evm_devices,
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ARRAY_SIZE(da850_evm_devices));
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}
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}
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#ifdef CONFIG_DA850_UI_RMII
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static inline void da850_evm_setup_emac_rmii(int rmii_sel)
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{
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struct davinci_soc_info *soc_info = &davinci_soc_info;
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soc_info->emac_pdata->rmii_en = 1;
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gpio_set_value(rmii_sel, 0);
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}
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#else
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static inline void da850_evm_setup_emac_rmii(int rmii_sel) { }
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#endif
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static int da850_evm_ui_expander_setup(struct i2c_client *client, unsigned gpio,
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unsigned ngpio, void *c)
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{
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int sel_a, sel_b, sel_c, ret;
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sel_a = gpio + 7;
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sel_b = gpio + 6;
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sel_c = gpio + 5;
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ret = gpio_request(sel_a, "sel_a");
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if (ret) {
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pr_warning("Cannot open UI expander pin %d\n", sel_a);
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goto exp_setup_sela_fail;
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}
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ret = gpio_request(sel_b, "sel_b");
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if (ret) {
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pr_warning("Cannot open UI expander pin %d\n", sel_b);
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goto exp_setup_selb_fail;
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}
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ret = gpio_request(sel_c, "sel_c");
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if (ret) {
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pr_warning("Cannot open UI expander pin %d\n", sel_c);
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goto exp_setup_selc_fail;
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}
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/* deselect all functionalities */
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gpio_direction_output(sel_a, 1);
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gpio_direction_output(sel_b, 1);
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gpio_direction_output(sel_c, 1);
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ui_card_detected = 1;
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pr_info("DA850/OMAP-L138 EVM UI card detected\n");
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da850_evm_setup_nor_nand();
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da850_evm_setup_emac_rmii(sel_a);
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return 0;
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exp_setup_selc_fail:
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gpio_free(sel_b);
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exp_setup_selb_fail:
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gpio_free(sel_a);
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exp_setup_sela_fail:
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return ret;
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}
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static int da850_evm_ui_expander_teardown(struct i2c_client *client,
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unsigned gpio, unsigned ngpio, void *c)
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{
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/* deselect all functionalities */
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gpio_set_value(gpio + 5, 1);
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gpio_set_value(gpio + 6, 1);
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gpio_set_value(gpio + 7, 1);
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gpio_free(gpio + 5);
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gpio_free(gpio + 6);
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gpio_free(gpio + 7);
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return 0;
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}
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static struct pca953x_platform_data da850_evm_ui_expander_info = {
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.gpio_base = DAVINCI_N_GPIO,
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.setup = da850_evm_ui_expander_setup,
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.teardown = da850_evm_ui_expander_teardown,
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};
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static struct i2c_board_info __initdata da850_evm_i2c_devices[] = {
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{
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I2C_BOARD_INFO("tlv320aic3x", 0x18),
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},
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{
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I2C_BOARD_INFO("tca6416", 0x20),
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.platform_data = &da850_evm_ui_expander_info,
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},
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};
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static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = {
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.bus_freq = 100, /* kHz */
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.bus_delay = 0, /* usec */
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};
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static struct davinci_uart_config da850_evm_uart_config __initdata = {
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.enabled_uarts = 0x7,
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};
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/* davinci da850 evm audio machine driver */
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static u8 da850_iis_serializer_direction[] = {
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INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
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INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
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INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, TX_MODE,
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RX_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
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};
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static struct snd_platform_data da850_evm_snd_data = {
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.tx_dma_offset = 0x2000,
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.rx_dma_offset = 0x2000,
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.op_mode = DAVINCI_MCASP_IIS_MODE,
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.num_serializer = ARRAY_SIZE(da850_iis_serializer_direction),
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.tdm_slots = 2,
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.serial_dir = da850_iis_serializer_direction,
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.asp_chan_q = EVENTQ_1,
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.version = MCASP_VERSION_2,
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.txnumevt = 1,
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.rxnumevt = 1,
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};
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static int da850_evm_mmc_get_ro(int index)
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{
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return gpio_get_value(DA850_MMCSD_WP_PIN);
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}
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static int da850_evm_mmc_get_cd(int index)
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{
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return !gpio_get_value(DA850_MMCSD_CD_PIN);
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}
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static struct davinci_mmc_config da850_mmc_config = {
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.get_ro = da850_evm_mmc_get_ro,
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.get_cd = da850_evm_mmc_get_cd,
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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_2,
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};
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static void da850_panel_power_ctrl(int val)
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{
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/* lcd backlight */
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gpio_set_value(DA850_LCD_BL_PIN, val);
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/* lcd power */
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gpio_set_value(DA850_LCD_PWR_PIN, val);
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}
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static int da850_lcd_hw_init(void)
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{
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int status;
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status = gpio_request(DA850_LCD_BL_PIN, "lcd bl\n");
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if (status < 0)
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return status;
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status = gpio_request(DA850_LCD_PWR_PIN, "lcd pwr\n");
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if (status < 0) {
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gpio_free(DA850_LCD_BL_PIN);
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return status;
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}
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gpio_direction_output(DA850_LCD_BL_PIN, 0);
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gpio_direction_output(DA850_LCD_PWR_PIN, 0);
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/* Switch off panel power and backlight */
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da850_panel_power_ctrl(0);
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/* Switch on panel power and backlight */
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da850_panel_power_ctrl(1);
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return 0;
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}
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/* TPS65070 voltage regulator support */
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/* 3.3V */
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static struct regulator_consumer_supply tps65070_dcdc1_consumers[] = {
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{
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.supply = "usb0_vdda33",
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},
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{
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.supply = "usb1_vdda33",
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},
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};
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/* 3.3V or 1.8V */
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static struct regulator_consumer_supply tps65070_dcdc2_consumers[] = {
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{
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.supply = "dvdd3318_a",
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},
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{
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.supply = "dvdd3318_b",
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},
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{
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.supply = "dvdd3318_c",
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},
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};
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/* 1.2V */
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static struct regulator_consumer_supply tps65070_dcdc3_consumers[] = {
|
|
{
|
|
.supply = "cvdd",
|
|
},
|
|
};
|
|
|
|
/* 1.8V LDO */
|
|
static struct regulator_consumer_supply tps65070_ldo1_consumers[] = {
|
|
{
|
|
.supply = "sata_vddr",
|
|
},
|
|
{
|
|
.supply = "usb0_vdda18",
|
|
},
|
|
{
|
|
.supply = "usb1_vdda18",
|
|
},
|
|
{
|
|
.supply = "ddr_dvdd18",
|
|
},
|
|
};
|
|
|
|
/* 1.2V LDO */
|
|
static struct regulator_consumer_supply tps65070_ldo2_consumers[] = {
|
|
{
|
|
.supply = "sata_vdd",
|
|
},
|
|
{
|
|
.supply = "pll0_vdda",
|
|
},
|
|
{
|
|
.supply = "pll1_vdda",
|
|
},
|
|
{
|
|
.supply = "usbs_cvdd",
|
|
},
|
|
{
|
|
.supply = "vddarnwa1",
|
|
},
|
|
};
|
|
|
|
/* We take advantage of the fact that both defdcdc{2,3} are tied high */
|
|
static struct tps6507x_reg_platform_data tps6507x_platform_data = {
|
|
.defdcdc_default = true,
|
|
};
|
|
|
|
static struct regulator_init_data tps65070_regulator_data[] = {
|
|
/* dcdc1 */
|
|
{
|
|
.constraints = {
|
|
.min_uV = 3150000,
|
|
.max_uV = 3450000,
|
|
.valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
|
|
REGULATOR_CHANGE_STATUS),
|
|
.boot_on = 1,
|
|
},
|
|
.num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc1_consumers),
|
|
.consumer_supplies = tps65070_dcdc1_consumers,
|
|
},
|
|
|
|
/* dcdc2 */
|
|
{
|
|
.constraints = {
|
|
.min_uV = 1710000,
|
|
.max_uV = 3450000,
|
|
.valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
|
|
REGULATOR_CHANGE_STATUS),
|
|
.boot_on = 1,
|
|
},
|
|
.num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc2_consumers),
|
|
.consumer_supplies = tps65070_dcdc2_consumers,
|
|
.driver_data = &tps6507x_platform_data,
|
|
},
|
|
|
|
/* dcdc3 */
|
|
{
|
|
.constraints = {
|
|
.min_uV = 950000,
|
|
.max_uV = 1320000,
|
|
.valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
|
|
REGULATOR_CHANGE_STATUS),
|
|
.boot_on = 1,
|
|
},
|
|
.num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc3_consumers),
|
|
.consumer_supplies = tps65070_dcdc3_consumers,
|
|
.driver_data = &tps6507x_platform_data,
|
|
},
|
|
|
|
/* ldo1 */
|
|
{
|
|
.constraints = {
|
|
.min_uV = 1710000,
|
|
.max_uV = 1890000,
|
|
.valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
|
|
REGULATOR_CHANGE_STATUS),
|
|
.boot_on = 1,
|
|
},
|
|
.num_consumer_supplies = ARRAY_SIZE(tps65070_ldo1_consumers),
|
|
.consumer_supplies = tps65070_ldo1_consumers,
|
|
},
|
|
|
|
/* ldo2 */
|
|
{
|
|
.constraints = {
|
|
.min_uV = 1140000,
|
|
.max_uV = 1320000,
|
|
.valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
|
|
REGULATOR_CHANGE_STATUS),
|
|
.boot_on = 1,
|
|
},
|
|
.num_consumer_supplies = ARRAY_SIZE(tps65070_ldo2_consumers),
|
|
.consumer_supplies = tps65070_ldo2_consumers,
|
|
},
|
|
};
|
|
|
|
static struct touchscreen_init_data tps6507x_touchscreen_data = {
|
|
.poll_period = 30, /* ms between touch samples */
|
|
.min_pressure = 0x30, /* minimum pressure to trigger touch */
|
|
.vref = 0, /* turn off vref when not using A/D */
|
|
.vendor = 0, /* /sys/class/input/input?/id/vendor */
|
|
.product = 65070, /* /sys/class/input/input?/id/product */
|
|
.version = 0x100, /* /sys/class/input/input?/id/version */
|
|
};
|
|
|
|
static struct tps6507x_board tps_board = {
|
|
.tps6507x_pmic_init_data = &tps65070_regulator_data[0],
|
|
.tps6507x_ts_init_data = &tps6507x_touchscreen_data,
|
|
};
|
|
|
|
static struct i2c_board_info __initdata da850evm_tps65070_info[] = {
|
|
{
|
|
I2C_BOARD_INFO("tps6507x", 0x48),
|
|
.platform_data = &tps_board,
|
|
},
|
|
};
|
|
|
|
static int __init pmic_tps65070_init(void)
|
|
{
|
|
return i2c_register_board_info(1, da850evm_tps65070_info,
|
|
ARRAY_SIZE(da850evm_tps65070_info));
|
|
}
|
|
|
|
static const short da850_evm_lcdc_pins[] = {
|
|
DA850_GPIO2_8, DA850_GPIO2_15,
|
|
-1
|
|
};
|
|
|
|
static const short da850_evm_mii_pins[] = {
|
|
DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3,
|
|
DA850_MII_TXD_2, DA850_MII_TXD_1, DA850_MII_TXD_0, DA850_MII_RXER,
|
|
DA850_MII_CRS, DA850_MII_RXCLK, DA850_MII_RXDV, DA850_MII_RXD_3,
|
|
DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0, DA850_MDIO_CLK,
|
|
DA850_MDIO_D,
|
|
-1
|
|
};
|
|
|
|
static const short da850_evm_rmii_pins[] = {
|
|
DA850_RMII_TXD_0, DA850_RMII_TXD_1, DA850_RMII_TXEN,
|
|
DA850_RMII_CRS_DV, DA850_RMII_RXD_0, DA850_RMII_RXD_1,
|
|
DA850_RMII_RXER, DA850_RMII_MHZ_50_CLK, DA850_MDIO_CLK,
|
|
DA850_MDIO_D,
|
|
-1
|
|
};
|
|
|
|
static int __init da850_evm_config_emac(void)
|
|
{
|
|
void __iomem *cfg_chip3_base;
|
|
int ret;
|
|
u32 val;
|
|
struct davinci_soc_info *soc_info = &davinci_soc_info;
|
|
u8 rmii_en = soc_info->emac_pdata->rmii_en;
|
|
|
|
if (!machine_is_davinci_da850_evm())
|
|
return 0;
|
|
|
|
cfg_chip3_base = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
|
|
|
|
val = __raw_readl(cfg_chip3_base);
|
|
|
|
if (rmii_en) {
|
|
val |= BIT(8);
|
|
ret = davinci_cfg_reg_list(da850_evm_rmii_pins);
|
|
pr_info("EMAC: RMII PHY configured, MII PHY will not be"
|
|
" functional\n");
|
|
} else {
|
|
val &= ~BIT(8);
|
|
ret = davinci_cfg_reg_list(da850_evm_mii_pins);
|
|
pr_info("EMAC: MII PHY configured, RMII PHY will not be"
|
|
" functional\n");
|
|
}
|
|
|
|
if (ret)
|
|
pr_warning("da850_evm_init: cpgmac/rmii mux setup failed: %d\n",
|
|
ret);
|
|
|
|
/* configure the CFGCHIP3 register for RMII or MII */
|
|
__raw_writel(val, cfg_chip3_base);
|
|
|
|
ret = davinci_cfg_reg(DA850_GPIO2_6);
|
|
if (ret)
|
|
pr_warning("da850_evm_init:GPIO(2,6) mux setup "
|
|
"failed\n");
|
|
|
|
ret = gpio_request(DA850_MII_MDIO_CLKEN_PIN, "mdio_clk_en");
|
|
if (ret) {
|
|
pr_warning("Cannot open GPIO %d\n",
|
|
DA850_MII_MDIO_CLKEN_PIN);
|
|
return ret;
|
|
}
|
|
|
|
/* Enable/Disable MII MDIO clock */
|
|
gpio_direction_output(DA850_MII_MDIO_CLKEN_PIN, rmii_en);
|
|
|
|
soc_info->emac_pdata->phy_mask = DA850_EVM_PHY_MASK;
|
|
soc_info->emac_pdata->mdio_max_freq = DA850_EVM_MDIO_FREQUENCY;
|
|
|
|
ret = da8xx_register_emac();
|
|
if (ret)
|
|
pr_warning("da850_evm_init: emac registration failed: %d\n",
|
|
ret);
|
|
|
|
return 0;
|
|
}
|
|
device_initcall(da850_evm_config_emac);
|
|
|
|
/*
|
|
* The following EDMA channels/slots are not being used by drivers (for
|
|
* example: Timer, GPIO, UART events etc) on da850/omap-l138 EVM, hence
|
|
* they are being reserved for codecs on the DSP side.
|
|
*/
|
|
static const s16 da850_dma0_rsv_chans[][2] = {
|
|
/* (offset, number) */
|
|
{ 8, 6},
|
|
{24, 4},
|
|
{30, 2},
|
|
{-1, -1}
|
|
};
|
|
|
|
static const s16 da850_dma0_rsv_slots[][2] = {
|
|
/* (offset, number) */
|
|
{ 8, 6},
|
|
{24, 4},
|
|
{30, 50},
|
|
{-1, -1}
|
|
};
|
|
|
|
static const s16 da850_dma1_rsv_chans[][2] = {
|
|
/* (offset, number) */
|
|
{ 0, 28},
|
|
{30, 2},
|
|
{-1, -1}
|
|
};
|
|
|
|
static const s16 da850_dma1_rsv_slots[][2] = {
|
|
/* (offset, number) */
|
|
{ 0, 28},
|
|
{30, 90},
|
|
{-1, -1}
|
|
};
|
|
|
|
static struct edma_rsv_info da850_edma_cc0_rsv = {
|
|
.rsv_chans = da850_dma0_rsv_chans,
|
|
.rsv_slots = da850_dma0_rsv_slots,
|
|
};
|
|
|
|
static struct edma_rsv_info da850_edma_cc1_rsv = {
|
|
.rsv_chans = da850_dma1_rsv_chans,
|
|
.rsv_slots = da850_dma1_rsv_slots,
|
|
};
|
|
|
|
static struct edma_rsv_info *da850_edma_rsv[2] = {
|
|
&da850_edma_cc0_rsv,
|
|
&da850_edma_cc1_rsv,
|
|
};
|
|
|
|
static __init void da850_evm_init(void)
|
|
{
|
|
int ret;
|
|
|
|
ret = pmic_tps65070_init();
|
|
if (ret)
|
|
pr_warning("da850_evm_init: TPS65070 PMIC init failed: %d\n",
|
|
ret);
|
|
|
|
ret = da850_register_edma(da850_edma_rsv);
|
|
if (ret)
|
|
pr_warning("da850_evm_init: edma registration failed: %d\n",
|
|
ret);
|
|
|
|
ret = davinci_cfg_reg_list(da850_i2c0_pins);
|
|
if (ret)
|
|
pr_warning("da850_evm_init: i2c0 mux setup failed: %d\n",
|
|
ret);
|
|
|
|
ret = da8xx_register_i2c(0, &da850_evm_i2c_0_pdata);
|
|
if (ret)
|
|
pr_warning("da850_evm_init: i2c0 registration failed: %d\n",
|
|
ret);
|
|
|
|
|
|
ret = da8xx_register_watchdog();
|
|
if (ret)
|
|
pr_warning("da830_evm_init: watchdog registration failed: %d\n",
|
|
ret);
|
|
|
|
if (HAS_MMC) {
|
|
ret = davinci_cfg_reg_list(da850_mmcsd0_pins);
|
|
if (ret)
|
|
pr_warning("da850_evm_init: mmcsd0 mux setup failed:"
|
|
" %d\n", ret);
|
|
|
|
ret = gpio_request(DA850_MMCSD_CD_PIN, "MMC CD\n");
|
|
if (ret)
|
|
pr_warning("da850_evm_init: can not open GPIO %d\n",
|
|
DA850_MMCSD_CD_PIN);
|
|
gpio_direction_input(DA850_MMCSD_CD_PIN);
|
|
|
|
ret = gpio_request(DA850_MMCSD_WP_PIN, "MMC WP\n");
|
|
if (ret)
|
|
pr_warning("da850_evm_init: can not open GPIO %d\n",
|
|
DA850_MMCSD_WP_PIN);
|
|
gpio_direction_input(DA850_MMCSD_WP_PIN);
|
|
|
|
ret = da8xx_register_mmcsd0(&da850_mmc_config);
|
|
if (ret)
|
|
pr_warning("da850_evm_init: mmcsd0 registration failed:"
|
|
" %d\n", ret);
|
|
}
|
|
|
|
davinci_serial_init(&da850_evm_uart_config);
|
|
|
|
i2c_register_board_info(1, da850_evm_i2c_devices,
|
|
ARRAY_SIZE(da850_evm_i2c_devices));
|
|
|
|
/*
|
|
* shut down uart 0 and 1; they are not used on the board and
|
|
* accessing them causes endless "too much work in irq53" messages
|
|
* with arago fs
|
|
*/
|
|
__raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE) + 0x30);
|
|
__raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30);
|
|
|
|
ret = davinci_cfg_reg_list(da850_mcasp_pins);
|
|
if (ret)
|
|
pr_warning("da850_evm_init: mcasp mux setup failed: %d\n",
|
|
ret);
|
|
|
|
da8xx_register_mcasp(0, &da850_evm_snd_data);
|
|
|
|
ret = davinci_cfg_reg_list(da850_lcdcntl_pins);
|
|
if (ret)
|
|
pr_warning("da850_evm_init: lcdcntl mux setup failed: %d\n",
|
|
ret);
|
|
|
|
/* Handle board specific muxing for LCD here */
|
|
ret = davinci_cfg_reg_list(da850_evm_lcdc_pins);
|
|
if (ret)
|
|
pr_warning("da850_evm_init: evm specific lcd mux setup "
|
|
"failed: %d\n", ret);
|
|
|
|
ret = da850_lcd_hw_init();
|
|
if (ret)
|
|
pr_warning("da850_evm_init: lcd initialization failed: %d\n",
|
|
ret);
|
|
|
|
sharp_lk043t1dg01_pdata.panel_power_ctrl = da850_panel_power_ctrl,
|
|
ret = da8xx_register_lcdc(&sharp_lk043t1dg01_pdata);
|
|
if (ret)
|
|
pr_warning("da850_evm_init: lcdc registration failed: %d\n",
|
|
ret);
|
|
|
|
ret = da8xx_register_rtc();
|
|
if (ret)
|
|
pr_warning("da850_evm_init: rtc setup failed: %d\n", ret);
|
|
|
|
ret = da850_register_cpufreq("pll0_sysclk3");
|
|
if (ret)
|
|
pr_warning("da850_evm_init: cpufreq registration failed: %d\n",
|
|
ret);
|
|
|
|
ret = da8xx_register_cpuidle();
|
|
if (ret)
|
|
pr_warning("da850_evm_init: cpuidle registration failed: %d\n",
|
|
ret);
|
|
|
|
ret = da850_register_pm(&da850_pm_device);
|
|
if (ret)
|
|
pr_warning("da850_evm_init: suspend registration failed: %d\n",
|
|
ret);
|
|
}
|
|
|
|
#ifdef CONFIG_SERIAL_8250_CONSOLE
|
|
static int __init da850_evm_console_init(void)
|
|
{
|
|
if (!machine_is_davinci_da850_evm())
|
|
return 0;
|
|
|
|
return add_preferred_console("ttyS", 2, "115200");
|
|
}
|
|
console_initcall(da850_evm_console_init);
|
|
#endif
|
|
|
|
static void __init da850_evm_map_io(void)
|
|
{
|
|
da850_init();
|
|
}
|
|
|
|
MACHINE_START(DAVINCI_DA850_EVM, "DaVinci DA850/OMAP-L138/AM18x EVM")
|
|
.phys_io = IO_PHYS,
|
|
.io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
|
|
.boot_params = (DA8XX_DDR_BASE + 0x100),
|
|
.map_io = da850_evm_map_io,
|
|
.init_irq = cp_intc_init,
|
|
.timer = &davinci_timer,
|
|
.init_machine = da850_evm_init,
|
|
MACHINE_END
|