Blackfin: add support for the Acvilon BF561 board

Signed-off-by: Valentin Yakovenkov <yakovenkov@gmail.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

1 files changed, 551 insertions, 0 deletions

diff --git a/arch/blackfin/mach-bf561/boards/acvilon.c b/arch/blackfin/mach-bf561/boards/acvilon.c
new file mode 100644
index 000000000000..07e8dc8770da
--- /dev/null
+++ b/arch/blackfin/mach-bf561/boards/acvilon.c
@@ -0,0 +1,551 @@
+/*
+ * File:         arch/blackfin/mach-bf561/acvilon.c
+ * Based on:     arch/blackfin/mach-bf561/ezkit.c
+ * Author:
+ *
+ * Created:
+ * Description:
+ *
+ * Modified:
+ *               Copyright 2004-2006 Analog Devices Inc.
+ *               Copyright 2009 CJSC "NII STT"
+ *
+ * Bugs:
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ *
+ * For more information about Acvilon BF561 SoM please
+ * go to http://www.niistt.ru/
+ *
+ */
+
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/plat-ram.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/flash.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/i2c-pca-platform.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <asm/dma.h>
+#include <asm/bfin5xx_spi.h>
+#include <asm/portmux.h>
+#include <asm/dpmc.h>
+#include <asm/cacheflush.h>
+#include <linux/i2c.h>
+
+/*
+ * Name the Board for the /proc/cpuinfo
+ */
+const char bfin_board_name[] = "Acvilon board";
+
+#if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
+#include <linux/usb/isp1760.h>
+static struct resource bfin_isp1760_resources[] = {
+        [0] = {
+               .start = 0x20000000,
+               .end = 0x20000000 + 0x000fffff,
+               .flags = IORESOURCE_MEM,
+               },
+        [1] = {
+               .start = IRQ_PF15,
+               .end = IRQ_PF15,
+               .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
+               },
+};
+
+static struct isp1760_platform_data isp1760_priv = {
+        .is_isp1761 = 0,
+        .port1_disable = 0,
+        .bus_width_16 = 1,
+        .port1_otg = 0,
+        .analog_oc = 0,
+        .dack_polarity_high = 0,
+        .dreq_polarity_high = 0,
+};
+
+static struct platform_device bfin_isp1760_device = {
+        .name = "isp1760-hcd",
+        .id = 0,
+        .dev = {
+                .platform_data = &isp1760_priv,
+                },
+        .num_resources = ARRAY_SIZE(bfin_isp1760_resources),
+        .resource = bfin_isp1760_resources,
+};
+#endif
+
+static struct resource bfin_i2c_pca_resources[] = {
+        {
+         .name = "pca9564-regs",
+         .start = 0x2C000000,
+         .end = 0x2C000000 + 16,
+         .flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
+         }, {
+
+             .start = IRQ_PF8,
+             .end = IRQ_PF8,
+             .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
+             },
+};
+
+struct i2c_pca9564_pf_platform_data pca9564_platform_data = {
+        .gpio = -1,
+        .i2c_clock_speed = 330000,
+        .timeout = 10000
+};
+
+/* PCA9564 I2C Bus driver */
+static struct platform_device bfin_i2c_pca_device = {
+        .name = "i2c-pca-platform",
+        .id = 0,
+        .num_resources = ARRAY_SIZE(bfin_i2c_pca_resources),
+        .resource = bfin_i2c_pca_resources,
+        .dev = {
+                .platform_data = &pca9564_platform_data,
+                }
+};
+
+/* I2C devices fitted. */
+static struct i2c_board_info acvilon_i2c_devs[] __initdata = {
+        {
+         I2C_BOARD_INFO("ds1339", 0x68),
+         },
+        {
+         I2C_BOARD_INFO("tcn75", 0x49),
+         },
+};
+
+#if defined(CONFIG_MTD_PLATRAM) || defined(CONFIG_MTD_PLATRAM_MODULE)
+static struct platdata_mtd_ram mtd_ram_data = {
+        .mapname = "rootfs(RAM)",
+        .bankwidth = 4,
+};
+
+static struct resource mtd_ram_resource = {
+        .start = 0x4000000,
+        .end = 0x5ffffff,
+        .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device mtd_ram_device = {
+        .name = "mtd-ram",
+        .id = 0,
+        .dev = {
+                .platform_data = &mtd_ram_data,
+                },
+        .num_resources = 1,
+        .resource = &mtd_ram_resource,
+};
+#endif
+
+#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
+#include <linux/smsc911x.h>
+static struct resource smsc911x_resources[] = {
+        {
+         .name = "smsc911x-memory",
+         .start = 0x28000000,
+         .end = 0x28000000 + 0xFF,
+         .flags = IORESOURCE_MEM,
+         },
+        {
+         .start = IRQ_PF7,
+         .end = IRQ_PF7,
+         .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
+         },
+};
+
+static struct smsc911x_platform_config smsc911x_config = {
+        .flags = SMSC911X_USE_32BIT,
+        .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
+        .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
+        .phy_interface = PHY_INTERFACE_MODE_MII,
+};
+
+static struct platform_device smsc911x_device = {
+        .name = "smsc911x",
+        .id = 0,
+        .num_resources = ARRAY_SIZE(smsc911x_resources),
+        .resource = smsc911x_resources,
+        .dev = {
+                .platform_data = &smsc911x_config,
+                },
+};
+#endif
+
+#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+static struct resource bfin_uart0_resources[] = {
+        {
+         .start = BFIN_UART_THR,
+         .end = BFIN_UART_GCTL + 2,
+         .flags = IORESOURCE_MEM,
+         },
+        {
+         .start = IRQ_UART_RX,
+         .end = IRQ_UART_RX + 1,
+         .flags = IORESOURCE_IRQ,
+         },
+        {
+         .start = IRQ_UART_ERROR,
+         .end = IRQ_UART_ERROR,
+         .flags = IORESOURCE_IRQ,
+         },
+        {
+         .start = CH_UART_TX,
+         .end = CH_UART_TX,
+         .flags = IORESOURCE_DMA,
+         },
+        {
+         .start = CH_UART_RX,
+         .end = CH_UART_RX,
+         .flags = IORESOURCE_DMA,
+         },
+};
+
+unsigned short bfin_uart0_peripherals[] = {
+        P_UART0_TX, P_UART0_RX, 0
+};
+
+static struct platform_device bfin_uart0_device = {
+        .name = "bfin-uart",
+        .id = 0,
+        .num_resources = ARRAY_SIZE(bfin_uart0_resources),
+        .resource = bfin_uart0_resources,
+        .dev = {
+                /* Passed to driver */
+                .platform_data = &bfin_uart0_peripherals,
+                },
+};
+#endif
+#endif
+
+#if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
+
+#ifdef CONFIG_MTD_PARTITIONS
+const char *part_probes[] = { "cmdlinepart", NULL };
+
+static struct mtd_partition bfin_plat_nand_partitions[] = {
+        {
+         .name = "params(nand)",
+         .size = 32 * 1024 * 1024,
+         .offset = 0,
+         }, {
+             .name = "userfs(nand)",
+             .size = MTDPART_SIZ_FULL,
+             .offset = MTDPART_OFS_APPEND,
+             },
+};
+#endif
+
+#define BFIN_NAND_PLAT_CLE 2
+#define BFIN_NAND_PLAT_ALE 3
+
+static void bfin_plat_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
+                                    unsigned int ctrl)
+{
+        struct nand_chip *this = mtd->priv;
+
+        if (cmd == NAND_CMD_NONE)
+                return;
+
+        if (ctrl & NAND_CLE)
+                writeb(cmd, this->IO_ADDR_W + (1 << BFIN_NAND_PLAT_CLE));
+        else
+                writeb(cmd, this->IO_ADDR_W + (1 << BFIN_NAND_PLAT_ALE));
+}
+
+#define BFIN_NAND_PLAT_READY GPIO_PF10
+static int bfin_plat_nand_dev_ready(struct mtd_info *mtd)
+{
+        return gpio_get_value(BFIN_NAND_PLAT_READY);
+}
+
+static struct platform_nand_data bfin_plat_nand_data = {
+        .chip = {
+                 .chip_delay = 30,
+#ifdef CONFIG_MTD_PARTITIONS
+                 .part_probe_types = part_probes,
+                 .partitions = bfin_plat_nand_partitions,
+                 .nr_partitions = ARRAY_SIZE(bfin_plat_nand_partitions),
+#endif
+                 },
+        .ctrl = {
+                 .cmd_ctrl = bfin_plat_nand_cmd_ctrl,
+                 .dev_ready = bfin_plat_nand_dev_ready,
+                 },
+};
+
+#define MAX(x, y) (x > y ? x : y)
+static struct resource bfin_plat_nand_resources = {
+        .start = 0x24000000,
+        .end = 0x24000000 + (1 << MAX(BFIN_NAND_PLAT_CLE, BFIN_NAND_PLAT_ALE)),
+        .flags = IORESOURCE_IO,
+};
+
+static struct platform_device bfin_async_nand_device = {
+        .name = "gen_nand",
+        .id = -1,
+        .num_resources = 1,
+        .resource = &bfin_plat_nand_resources,
+        .dev = {
+                .platform_data = &bfin_plat_nand_data,
+                },
+};
+
+static void bfin_plat_nand_init(void)
+{
+        gpio_request(BFIN_NAND_PLAT_READY, "bfin_nand_plat");
+}
+#else
+static void bfin_plat_nand_init(void)
+{
+}
+#endif
+
+#if defined(CONFIG_MTD_DATAFLASH) || defined(CONFIG_MTD_DATAFLASH_MODULE)
+static struct mtd_partition bfin_spi_dataflash_partitions[] = {
+        {
+         .name = "bootloader",
+         .size = 0x4200,
+         .offset = 0,
+         .mask_flags = MTD_CAP_ROM},
+        {
+         .name = "u-boot",
+         .size = 0x42000,
+         .offset = MTDPART_OFS_APPEND,
+         },
+        {
+         .name = "u-boot(params)",
+         .size = 0x4200,
+         .offset = MTDPART_OFS_APPEND,
+         },
+        {
+         .name = "kernel",
+         .size = 0x294000,
+         .offset = MTDPART_OFS_APPEND,
+         },
+        {
+         .name = "params",
+         .size = 0x42000,
+         .offset = MTDPART_OFS_APPEND,
+         },
+        {
+         .name = "rootfs",
+         .size = MTDPART_SIZ_FULL,
+         .offset = MTDPART_OFS_APPEND,
+         }
+};
+
+static struct flash_platform_data bfin_spi_dataflash_data = {
+        .name = "SPI Dataflash",
+        .parts = bfin_spi_dataflash_partitions,
+        .nr_parts = ARRAY_SIZE(bfin_spi_dataflash_partitions),
+};
+
+/* DataFlash chip */
+static struct bfin5xx_spi_chip data_flash_chip_info = {
+        .enable_dma = 0,        /* use dma transfer with this chip */
+        .bits_per_word = 8,
+};
+#endif
+
+#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
+static struct bfin5xx_spi_chip spidev_chip_info = {
+        .enable_dma = 0,
+        .bits_per_word = 8,
+};
+#endif
+
+#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
+/* SPI (0) */
+static struct resource bfin_spi0_resource[] = {
+        [0] = {
+               .start = SPI0_REGBASE,
+               .end = SPI0_REGBASE + 0xFF,
+               .flags = IORESOURCE_MEM,
+               },
+        [1] = {
+               .start = CH_SPI,
+               .end = CH_SPI,
+               .flags = IORESOURCE_DMA,
+               },
+        [2] = {
+               .start = IRQ_SPI,
+               .end = IRQ_SPI,
+               .flags = IORESOURCE_IRQ,
+               },
+};
+
+/* SPI controller data */
+static struct bfin5xx_spi_master bfin_spi0_info = {
+        .num_chipselect = 8,
+        .enable_dma = 1,        /* master has the ability to do dma transfer */
+        .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
+};
+
+static struct platform_device bfin_spi0_device = {
+        .name = "bfin-spi",
+        .id = 0,                /* Bus number */
+        .num_resources = ARRAY_SIZE(bfin_spi0_resource),
+        .resource = bfin_spi0_resource,
+        .dev = {
+                .platform_data = &bfin_spi0_info,       /* Passed to driver */
+                },
+};
+#endif
+
+static struct spi_board_info bfin_spi_board_info[] __initdata = {
+#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
+        {
+         .modalias = "spidev",
+         .max_speed_hz = 3125000,       /* max spi clock (SCK) speed in HZ */
+         .bus_num = 0,
+         .chip_select = 3,
+         .controller_data = &spidev_chip_info,
+         },
+#endif
+#if defined(CONFIG_MTD_DATAFLASH) || defined(CONFIG_MTD_DATAFLASH_MODULE)
+        {                       /* DataFlash chip */
+         .modalias = "mtd_dataflash",
+         .max_speed_hz = 33250000,      /* max spi clock (SCK) speed in HZ */
+         .bus_num = 0,          /* Framework bus number */
+         .chip_select = 2,      /* Framework chip select */
+         .platform_data = &bfin_spi_dataflash_data,
+         .controller_data = &data_flash_chip_info,
+         .mode = SPI_MODE_3,
+         },
+#endif
+};
+
+static struct resource bfin_gpios_resources = {
+        .start = 31,
+/*      .end   = MAX_BLACKFIN_GPIOS - 1, */
+        .end = 32,
+        .flags = IORESOURCE_IRQ,
+};
+
+static struct platform_device bfin_gpios_device = {
+        .name = "simple-gpio",
+        .id = -1,
+        .num_resources = 1,
+        .resource = &bfin_gpios_resources,
+};
+
+static const unsigned int cclk_vlev_datasheet[] = {
+        VRPAIR(VLEV_085, 250000000),
+        VRPAIR(VLEV_090, 300000000),
+        VRPAIR(VLEV_095, 313000000),
+        VRPAIR(VLEV_100, 350000000),
+        VRPAIR(VLEV_105, 400000000),
+        VRPAIR(VLEV_110, 444000000),
+        VRPAIR(VLEV_115, 450000000),
+        VRPAIR(VLEV_120, 475000000),
+        VRPAIR(VLEV_125, 500000000),
+        VRPAIR(VLEV_130, 600000000),
+};
+
+static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
+        .tuple_tab = cclk_vlev_datasheet,
+        .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
+        .vr_settling_time = 25 /* us */ ,
+};
+
+static struct platform_device bfin_dpmc = {
+        .name = "bfin dpmc",
+        .dev = {
+                .platform_data = &bfin_dmpc_vreg_data,
+                },
+};
+
+static struct platform_device *acvilon_devices[] __initdata = {
+        &bfin_dpmc,
+
+#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
+        &bfin_spi0_device,
+#endif
+
+#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+        &bfin_uart0_device,
+#endif
+#endif
+
+        &bfin_gpios_device,
+
+#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
+        &smsc911x_device,
+#endif
+
+        &bfin_i2c_pca_device,
+
+#if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
+        &bfin_async_nand_device,
+#endif
+
+#if defined(CONFIG_MTD_PLATRAM) || defined(CONFIG_MTD_PLATRAM_MODULE)
+        &mtd_ram_device,
+#endif
+
+};
+
+static int __init acvilon_init(void)
+{
+        int ret;
+
+        printk(KERN_INFO "%s(): registering device resources\n", __func__);
+
+        bfin_plat_nand_init();
+        ret =
+            platform_add_devices(acvilon_devices, ARRAY_SIZE(acvilon_devices));
+        if (ret < 0)
+                return ret;
+
+        i2c_register_board_info(0, acvilon_i2c_devs,
+                                ARRAY_SIZE(acvilon_i2c_devs));
+
+        bfin_write_FIO0_FLAG_C(1 << 14);
+        msleep(5);
+        bfin_write_FIO0_FLAG_S(1 << 14);
+
+        spi_register_board_info(bfin_spi_board_info,
+                                ARRAY_SIZE(bfin_spi_board_info));
+        return 0;
+}
+
+arch_initcall(acvilon_init);
+
+static struct platform_device *acvilon_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+        &bfin_uart0_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+        printk(KERN_INFO "register early platform devices\n");
+        early_platform_add_devices(acvilon_early_devices,
+                                   ARRAY_SIZE(acvilon_early_devices));
+}