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>

diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index a67b47b425cd7bf49f925b5802f7fe338429ef52..71f90f864748154f573856f23e75cc83c82f8aea 100644 (file)
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -178,6 +178,13 @@ config DA850_UI_RMII
 
 endchoice
 
+config MACH_TNETV107X
+       bool "TI TNETV107X Reference Platform"
+       default ARCH_DAVINCI_TNETV107X
+       depends on ARCH_DAVINCI_TNETV107X
+       help
+         Say Y here to select the TI TNETV107X Evaluation Module.
+
 config DAVINCI_MUX
        bool "DAVINCI multiplexing support"
        depends on ARCH_DAVINCI

diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile
index 62c51166cacb6890a27a1d53f350bfa7580bb5db..eab4c0fd667a3fe523ab71651a3686183378bbe2 100644 (file)
--- a/arch/arm/mach-davinci/Makefile
+++ b/arch/arm/mach-davinci/Makefile
@@ -32,6 +32,7 @@ obj-$(CONFIG_MACH_DAVINCI_DM6467_EVM) += board-dm646x-evm.o cdce949.o
 obj-$(CONFIG_MACH_DAVINCI_DM365_EVM)   += board-dm365-evm.o
 obj-$(CONFIG_MACH_DAVINCI_DA830_EVM)   += board-da830-evm.o
 obj-$(CONFIG_MACH_DAVINCI_DA850_EVM)   += board-da850-evm.o
+obj-$(CONFIG_MACH_TNETV107X)           += board-tnetv107x-evm.o
 
 # Power Management
 obj-$(CONFIG_CPU_FREQ)                 += cpufreq.o

diff --git a/arch/arm/mach-davinci/board-tnetv107x-evm.c b/arch/arm/mach-davinci/board-tnetv107x-evm.c
new file mode 100644 (file)
index 0000000..fe2a9d9
--- /dev/null
+++ b/arch/arm/mach-davinci/board-tnetv107x-evm.c
@@ -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