diff mbox

Patch 1/2 Neuros OSD2 board support

Message ID 4AE70E02.5020807@chelcom.ru (mailing list archive)
State Superseded
Headers show

Commit Message

A. Porodko Oct. 27, 2009, 3:13 p.m. UTC
None
diff mbox

Patch

diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index be92240..ac0c349 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -136,6 +136,13 @@  config MACH_DAVINCI_DA850_EVM
     help
       Say Y here to select the TI DA850/OMAP-L138 Evaluation Module.
 
+config MACH_NEUROS_OSD2
+    bool "Neuros OSD2 Open Set Top Box"
+    depends on ARCH_DAVINCI_DM644x
+    help
+      Configure this option to specify the whether the board used
+      for development is a Neuros OSD2 Open Set Top Box.
+
 config DA850_UI_EXP
     bool "DA850/OMAP-L138 UI (User Interface) board expander configuration"
     depends on MACH_DAVINCI_DA850_EVM
diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile
index be629c5..5dcb3b0 100644
--- a/arch/arm/mach-davinci/Makefile
+++ b/arch/arm/mach-davinci/Makefile
@@ -29,6 +29,6 @@  obj-$(CONFIG_MACH_DAVINCI_DM6467_EVM)    +=
board-dm646x-evm.o
 obj-$(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-$(CONFIG_MACH_NEUROS_OSD2)        += board-neuros-osd2.o
 # Power Management
 obj-$(CONFIG_CPU_FREQ)            += cpufreq.o
diff --git a/arch/arm/mach-davinci/board-neuros-osd2.c
b/arch/arm/mach-davinci/board-neuros-osd2.c
new file mode 100644
index 0000000..51784c3
--- /dev/null
+++ b/arch/arm/mach-davinci/board-neuros-osd2.c
@@ -0,0 +1,352 @@ 
+/*
+ * Neuros Technologies OSD2 board support
+ *
+ * Modified from original EVM board support (see below).
+ * ----------------------------------------- 03/06, 2008 <mgao@neuros>
+ * 2008 (c) Neuros Technology, LLC.
+ * 2009 (c) Jorge Luis Zapata Muga <jorgeluis.zapata@gmail.com>
+ * 2009 (c) Andrey A. Porodko <Andrey.Porodko@gmail.com>
+ *
+ * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
+ *
+ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/dma-mapping.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/leds.h>
+#include <linux/memory.h>
+
+#include <linux/i2c.h>
+#include <linux/i2c/at24.h>
+#include <linux/i2c/neuros_osd2_msp.h>
+#include <linux/etherdevice.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <linux/io.h>
+#include <linux/phy.h>
+#include <linux/clk.h>
+
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/flash.h>
+
+#include <mach/dm644x.h>
+#include <mach/common.h>
+#include <mach/i2c.h>
+#include <mach/serial.h>
+#include <mach/mux.h>
+#include <mach/psc.h>
+#include <mach/nand.h>
+#include <mach/mmc.h>
+#include <mach/emac.h>
+#include <mach/common.h>
+
+#define NEUROS_OSD2_PHY_MASK        (0x2)
+#define NEUROS_OSD2_MDIO_FREQUENCY    (2200000) /* PHY bus frequency */
+
+#define DAVINCI_CFC_ATA_BASE          0x01C66000
+
+#define DAVINCI_ASYNC_EMIF_CONTROL_BASE   0x01e00000
+#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE  0x02000000
+#define DAVINCI_ASYNC_EMIF_DATA_CE1_BASE  0x04000000
+#define DAVINCI_ASYNC_EMIF_DATA_CE2_BASE  0x06000000
+#define DAVINCI_ASYNC_EMIF_DATA_CE3_BASE  0x08000000
+
+#define LXT971_PHY_ID    (0x001378e2)
+#define LXT971_PHY_MASK    (0xfffffff0)
+
+#define    NTOSD2_AUDIOSOC_I2C_ADDR    0x18
+
+#define    NTOSD2_PINMUX1            IO_ADDRESS(0x01C40004)
+#define    NTOSD2_PWM0_PCR            IO_ADDRESS(0x01C22004)
+#define    NTOSD2_PWM0_CFG            IO_ADDRESS(0x01C22008)
+#define    NTOSD2_PWM0_START        IO_ADDRESS(0x01C2200C)
+#define    NTOSD2_PWM0_PER            IO_ADDRESS(0x01C22014)
+#define    NTOSD2_PWM0_PH1D        IO_ADDRESS(0x01C22018)
+
+/* Neuros OSD2 has a Samsung 256 MByte NAND flash (Dev ID of 0xAA,
+ * 2048 blocks in the device, 64 pages per block, 2048 bytes per
+ * page.
+ */
+
+#define NAND_BLOCK_SIZE      SZ_128K
+
+struct mtd_partition davinci_ntosd2_nandflash_partition[] = {
+    {
+        /* UBL (a few copies) plus U-Boot */
+        .name        = "bootloader",
+        .offset        = 0,
+        .size        = 15 * NAND_BLOCK_SIZE,
+        .mask_flags    = MTD_WRITEABLE, /* force read-only */
+    }, {
+        /* U-Boot environment */
+        .name        = "params",
+        .offset        = MTDPART_OFS_APPEND,
+        .size        = 1 * NAND_BLOCK_SIZE,
+        .mask_flags    = 0,
+    }, {
+        /* Kernel */
+        .name        = "kernel",
+        .offset        = MTDPART_OFS_APPEND,
+        .size        = SZ_4M,
+        .mask_flags    = 0,
+    }, {
+        /* File System */
+        .name        = "filesystem",
+        .offset        = MTDPART_OFS_APPEND,
+        .size        = MTDPART_SIZ_FULL,
+        .mask_flags    = 0,
+    }
+    /* A few blocks at end hold a flash Bad Block Table. */
+};
+
+static struct davinci_nand_pdata davinci_ntosd2_nandflash_data = {
+    .parts        = davinci_ntosd2_nandflash_partition,
+    .nr_parts    = ARRAY_SIZE(davinci_ntosd2_nandflash_partition),
+    .ecc_mode    = NAND_ECC_HW,
+    .options    = NAND_USE_FLASH_BBT,
+};
+
+static struct resource davinci_ntosd2_nandflash_resource[] = {
+    {
+        .start        = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE,
+        .end        = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE + SZ_16M - 1,
+        .flags        = IORESOURCE_MEM,
+    }, {
+        .start        = DAVINCI_ASYNC_EMIF_CONTROL_BASE,
+        .end        = DAVINCI_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
+        .flags        = IORESOURCE_MEM,
+    },
+};
+
+static struct platform_device davinci_ntosd2_nandflash_device = {
+    .name        = "davinci_nand",
+    .id        = 0,
+    .dev        = {
+        .platform_data    = &davinci_ntosd2_nandflash_data,
+    },
+    .num_resources    = ARRAY_SIZE(davinci_ntosd2_nandflash_resource),
+    .resource    = davinci_ntosd2_nandflash_resource,
+};
+
+static u64 davinci_fb_dma_mask = DMA_BIT_MASK(32);
+
+static struct platform_device davinci_fb_device = {
+    .name        = "davincifb",
+    .id        = -1,
+    .dev = {
+        .dma_mask        = &davinci_fb_dma_mask,
+        .coherent_dma_mask      = DMA_BIT_MASK(32),
+    },
+    .num_resources = 0,
+};
+
+static struct resource ide_resources[] = {
+    {
+        .start          = DAVINCI_CFC_ATA_BASE,
+        .end            = DAVINCI_CFC_ATA_BASE + 0x7ff,
+        .flags          = IORESOURCE_MEM,
+    },
+    {
+        .start          = IRQ_IDE,
+        .end            = IRQ_IDE,
+        .flags          = IORESOURCE_IRQ,
+    },
+};
+
+static u64 ide_dma_mask = DMA_BIT_MASK(32);
+
+static struct platform_device ide_dev = {
+    .name           = "palm_bk3710",
+    .id             = -1,
+    .resource       = ide_resources,
+    .num_resources  = ARRAY_SIZE(ide_resources),
+    .dev = {
+        .dma_mask        = &ide_dma_mask,
+        .coherent_dma_mask      = DMA_BIT_MASK(32),
+    },
+};
+
+static struct snd_platform_data dm644x_ntosd2_snd_data;
+
+static struct gpio_led ntosd2_leds[] = {
+    { .name = "led1_green", .gpio = GPIO(10), },
+    { .name = "led1_red",   .gpio = GPIO(11), },
+    { .name = "led2_green", .gpio = GPIO(12), },
+    { .name = "led2_red",   .gpio = GPIO(13), },
+};
+
+static struct gpio_led_platform_data ntosd2_leds_data = {
+    .num_leds    = ARRAY_SIZE(ntosd2_leds),
+    .leds        = ntosd2_leds,
+};
+
+static struct platform_device ntosd2_leds_dev = {
+    .name = "leds-gpio",
+    .id   = -1,
+    .dev = {
+        .platform_data         = &ntosd2_leds_data,
+    },
+};
+
+
+static struct platform_device *davinci_ntosd2_devices[] __initdata = {
+    &davinci_fb_device,
+    &ntosd2_leds_dev,
+};
+
+static struct davinci_uart_config uart_config __initdata = {
+    .enabled_uarts = (1 << 0),
+};
+
+static void __init
+davinci_ntosd2_map_io(void)
+{
+    dm644x_init();
+}
+
+/*
+ I2C initilization
+*/
+static struct davinci_i2c_platform_data ntosd2_i2c_pdata = {
+    .bus_freq    = 20 /* kHz */,
+    .bus_delay    = 100 /* usec */,
+};
+
+static struct i2c_board_info __initdata ntosd2_i2c_info[] =  {
+    {                        /* MSP430 interface        */
+        I2C_BOARD_INFO("neuros_osd2_msp", NTOSD2_MSP430_I2C_ADDR),
+    },
+     {                        /* TLV320AIC32 interface    */
+        I2C_BOARD_INFO("tlv320aic3x", NTOSD2_AUDIOSOC_I2C_ADDR ),
+    },
+    /* ALSO:
+     * - ?
+     */
+};
+
+static    void __init ntosd2_init_i2c(void)
+{
+    davinci_init_i2c(&ntosd2_i2c_pdata);
+    gpio_request(NTOSD2_MSP430_IRQ,ntosd2_i2c_info[0].type);
+    gpio_direction_input(NTOSD2_MSP430_IRQ);
+    ntosd2_i2c_info[0].irq = gpio_to_irq(NTOSD2_MSP430_IRQ);
+    i2c_register_board_info(1, ntosd2_i2c_info,
ARRAY_SIZE(ntosd2_i2c_info));
+}
+
+static struct davinci_mmc_config davinci_ntosd2_mmc_config = {
+    .wires        = 4,
+    .version    = MMC_CTLR_VERSION_1
+};
+
+
+/* 
+    Prepare 38KHz generator for future use by neuros_osd2_irblaster driver
+*/
+static    void    ntosd2_init_38khz(void)
+{
+    unsigned long value;
+
+    value = __raw_readl(NTOSD2_PINMUX1) | (1<<4);
+    __raw_writel(value,NTOSD2_PINMUX1);        /*set gio45/PWM0 pin
works as PWM0        */
+    __raw_writel(1,NTOSD2_PWM0_PCR);
+    value = __raw_readl(NTOSD2_PWM0_CFG) & ~2;
+    __raw_writel(value,NTOSD2_PWM0_CFG);        /* clear PWM0 mode   
            */
+    value = __raw_readl(NTOSD2_PWM0_CFG) | 2;
+    __raw_writel(value,NTOSD2_PWM0_CFG);         /* set PWM0 contiguous
mode            */
+                                /* PWM0_PER+1=PWM0_PH1D*2             */
+                                /* PWM config PWM 38kHz PER=709
PH1D=355    */
+    __raw_writel(709,NTOSD2_PWM0_PER);
+    __raw_writel(355,NTOSD2_PWM0_PH1D);
+    __raw_writel(1,NTOSD2_PWM0_START);
+}
+
+
+#if defined(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \
+    defined(CONFIG_BLK_DEV_PALMCHIP_BK3710_MODULE)
+#define HAS_ATA 1
+#else
+#define HAS_ATA 0
+#endif
+
+#if defined(CONFIG_MTD_NAND_DAVINCI) || \
+    defined(CONFIG_MTD_NAND_DAVINCI_MODULE)
+#define HAS_NAND 1
+#else
+#define HAS_NAND 0
+#endif
+
+static __init void davinci_ntosd2_init(void)
+{
+    struct clk *aemif_clk;
+    struct davinci_soc_info *soc_info = &davinci_soc_info;
+
+    aemif_clk = clk_get(NULL, "aemif");
+    clk_enable(aemif_clk);
+
+    if (HAS_ATA) {
+        if (HAS_NAND)
+            pr_warning("WARNING: both IDE and Flash are "
+                "enabled, but they share AEMIF pins.\n"
+                "\tDisable IDE for NAND/NOR support.\n");
+        davinci_cfg_reg(DM644X_HPIEN_DISABLE);
+        davinci_cfg_reg(DM644X_ATAEN);
+        davinci_cfg_reg(DM644X_HDIREN);
+        platform_device_register(&ide_dev);
+    } else if (HAS_NAND) {
+        davinci_cfg_reg(DM644X_HPIEN_DISABLE);
+        davinci_cfg_reg(DM644X_ATAEN_DISABLE);
+
+        /* only one device will be jumpered and detected */
+        if (HAS_NAND) {
+            platform_device_register(&davinci_ntosd2_nandflash_device);
+        }
+    }
+
+    platform_add_devices(davinci_ntosd2_devices,
+                 ARRAY_SIZE(davinci_ntosd2_devices));
+
+    /* Initialize I2C interface specific for this board */
+    ntosd2_init_i2c();
+
+    davinci_serial_init(&uart_config);
+    dm644x_init_asp(&dm644x_ntosd2_snd_data);
+
+    soc_info->emac_pdata->phy_mask = NEUROS_OSD2_PHY_MASK;
+    soc_info->emac_pdata->mdio_max_freq = NEUROS_OSD2_MDIO_FREQUENCY;
+
+    setup_usb(500, 8);
+    /* Mux the pins to be GPIOS, VLYNQEN is already done at startup */
+    davinci_cfg_reg(DM644X_AEAW0);
+    davinci_cfg_reg(DM644X_AEAW1);
+    davinci_cfg_reg(DM644X_AEAW2);
+    davinci_cfg_reg(DM644X_AEAW3);
+    davinci_cfg_reg(DM644X_AEAW4);
+    davinci_cfg_reg(DM644X_PWM0);
+    davinci_setup_mmc(0, &davinci_ntosd2_mmc_config);
+    ntosd2_init_38khz();            /* init IR blaster 38kHz
generator        */
+}
+
+static __init void davinci_ntosd2_irq_init(void)
+{
+    davinci_irq_init();
+}
+
+MACHINE_START(NEUROS_OSD2, "Neuros OSD2")
+    /* Maintainer: Neuros Technologies <neuros@groups.google.com> */
+    .phys_io      = IO_PHYS,
+    .io_pg_offst  = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,