From: Kalle Valo <kalle.v...@iki.fi>

Add board file for Nokia N800 and N810 devices. Currently only serial ports,
onenand, spi and usb are configured, more to come later.

Tested on Nokia N800.

Signed-off-by: Kalle Valo <kalle.v...@iki.fi>
Signed-off-by: Tony Lindgren <t...@atomide.com>
---
 arch/arm/mach-omap2/Kconfig      |    4 
 arch/arm/mach-omap2/Makefile     |    2 
 arch/arm/mach-omap2/board-n8x0.c |  307 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 312 insertions(+), 1 deletions(-)
 create mode 100644 arch/arm/mach-omap2/board-n8x0.c

diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index bf54686..75b1c7e 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -73,6 +73,10 @@ config MACH_OMAP_3430SDP
        bool "OMAP 3430 SDP board"
        depends on ARCH_OMAP3 && ARCH_OMAP34XX
 
+config MACH_NOKIA_N8X0
+       bool "Nokia N800/N810"
+       depends on ARCH_OMAP2420
+
 config MACH_NOKIA_RX51
        bool "Nokia RX-51 board"
        depends on ARCH_OMAP3 && ARCH_OMAP34XX
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index a125d38..924da71 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -64,7 +64,7 @@ obj-$(CONFIG_MACH_OMAP3_PANDORA)      += board-omap3pandora.o 
\
 obj-$(CONFIG_MACH_OMAP_3430SDP)                += board-3430sdp.o \
                                           board-sdp-flash.o \
                                           mmc-twl4030.o
-
+obj-$(CONFIG_MACH_NOKIA_N8X0)          += board-n8x0.o
 obj-$(CONFIG_MACH_NOKIA_RX51)          += board-rx51.o \
                                           board-rx51-peripherals.o \
                                           mmc-twl4030.o
diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c
new file mode 100644
index 0000000..8cede15
--- /dev/null
+++ b/arch/arm/mach-omap2/board-n8x0.c
@@ -0,0 +1,307 @@
+/*
+ * linux/arch/arm/mach-omap2/board-n8x0.c
+ *
+ * Copyright (C) 2005-2009 Nokia Corporation
+ * Author: Juha Yrjola <juha.yrj...@nokia.com>
+ *
+ * Modified from mach-omap2/board-generic.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/stddef.h>
+#include <linux/spi/spi.h>
+#include <linux/usb/musb.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach-types.h>
+
+#include <mach/board.h>
+#include <mach/common.h>
+#include <mach/gpio.h>
+#include <mach/io.h>
+#include <mach/irqs.h>
+#include <mach/mcspi.h>
+#include <mach/onenand.h>
+#include <mach/serial.h>
+
+#define TUSB_ASYNC_CS          1
+#define TUSB_SYNC_CS           4
+#define GPIO_TUSB_INT          58
+#define GPIO_TUSB_ENABLE       0
+
+#if defined(CONFIG_USB_MUSB_OTG)
+#define BOARD_MODE MUSB_OTG
+#elif defined(CONFIG_USB_MUSB_PERIPHERAL)
+#define BOARD_MODE MUSB_PERIPHERAL
+#else /* defined(CONFIG_USB_MUSB_HOST) */
+#define BOARD_MODE MUSB_HOST
+#endif
+
+/*
+ * Enable or disable power to TUSB6010. When enabling, turn on 3.3 V and
+ * 1.5 V voltage regulators of PM companion chip. Companion chip will then
+ * provide then PGOOD signal to TUSB6010 which will release it from reset.
+ */
+static int tusb_set_power(int state)
+{
+       int i, retval = 0;
+
+       if (state) {
+               gpio_set_value(GPIO_TUSB_ENABLE, 1);
+               msleep(1);
+
+               /* Wait until TUSB6010 pulls INT pin down */
+               i = 100;
+               while (i && gpio_get_value(GPIO_TUSB_INT)) {
+                       msleep(1);
+                       i--;
+               }
+
+               if (!i) {
+                       printk(KERN_ERR "tusb: powerup failed\n");
+                       retval = -ENODEV;
+               }
+       } else {
+               gpio_set_value(GPIO_TUSB_ENABLE, 0);
+               msleep(10);
+       }
+
+       return retval;
+}
+
+static int             osc_ck_on;
+
+static int tusb_set_clock(struct clk *osc_ck, int state)
+{
+       if (state) {
+               if (osc_ck_on > 0)
+                       return -ENODEV;
+
+               clk_enable(osc_ck);
+               osc_ck_on = 1;
+       } else {
+               if (osc_ck_on == 0)
+                       return -ENODEV;
+
+               clk_disable(osc_ck);
+               osc_ck_on = 0;
+       }
+
+       return 0;
+}
+
+static struct musb_hdrc_eps_bits musb_eps[] = {
+       {       "ep1_tx", 5,    },
+       {       "ep1_rx", 5,    },
+       {       "ep2_tx", 5,    },
+       {       "ep2_rx", 5,    },
+       {       "ep3_tx", 3,    },
+       {       "ep3_rx", 3,    },
+       {       "ep4_tx", 3,    },
+       {       "ep4_rx", 3,    },
+       {       "ep5_tx", 2,    },
+       {       "ep5_rx", 2,    },
+       {       "ep6_tx", 2,    },
+       {       "ep6_rx", 2,    },
+       {       "ep7_tx", 2,    },
+       {       "ep7_rx", 2,    },
+       {       "ep8_tx", 2,    },
+       {       "ep8_rx", 2,    },
+       {       "ep9_tx", 2,    },
+       {       "ep9_rx", 2,    },
+       {       "ep10_tx", 2,   },
+       {       "ep10_rx", 2,   },
+       {       "ep11_tx", 2,   },
+       {       "ep11_rx", 2,   },
+       {       "ep12_tx", 2,   },
+       {       "ep12_rx", 2,   },
+       {       "ep13_tx", 2,   },
+       {       "ep13_rx", 2,   },
+       {       "ep14_tx", 2,   },
+       {       "ep14_rx", 2,   },
+       {       "ep15_tx", 2,   },
+       {       "ep15_rx", 2,   },
+};
+
+static struct musb_hdrc_config musb_config = {
+       .multipoint     = 1,
+       .dyn_fifo       = 1,
+       .soft_con       = 1,
+       .dma            = 1,
+       .num_eps        = 16,
+       .dma_channels   = 7,
+       .ram_bits       = 12,
+       .eps_bits       = musb_eps,
+};
+
+static struct musb_hdrc_platform_data tusb_data = {
+       .mode           = BOARD_MODE,
+       .set_power      = tusb_set_power,
+       .set_clock      = tusb_set_clock,
+       .min_power      = 25,   /* x2 = 50 mA drawn from VBUS as peripheral */
+       .power          = 100,  /* Max 100 mA VBUS for host mode */
+       .clock          = "osc_ck",
+       .config         = &musb_config,
+};
+
+static void __init n8x0_usb_init(void)
+{
+       int ret = 0;
+       static char     announce[] __initdata = KERN_INFO "TUSB 6010\n";
+
+       /* PM companion chip power control pin */
+       ret = gpio_request(GPIO_TUSB_ENABLE, "TUSB6010 enable");
+       if (ret != 0) {
+               printk(KERN_ERR "Could not get TUSB power GPIO%i\n",
+                      GPIO_TUSB_ENABLE);
+               return;
+       }
+       gpio_direction_output(GPIO_TUSB_ENABLE, 0);
+
+       tusb_set_power(0);
+
+       ret = tusb6010_setup_interface(&tusb_data, TUSB6010_REFCLK_19, 2,
+                                       TUSB_ASYNC_CS, TUSB_SYNC_CS,
+                                       GPIO_TUSB_INT, 0x3f);
+       if (ret != 0)
+               goto err;
+
+       printk(announce);
+
+       return;
+
+err:
+       gpio_free(GPIO_TUSB_ENABLE);
+}
+
+static struct omap2_mcspi_device_config p54spi_mcspi_config = {
+       .turbo_mode     = 0,
+       .single_channel = 1,
+};
+
+static struct spi_board_info n800_spi_board_info[] __initdata = {
+       {
+               .modalias       = "p54spi",
+               .bus_num        = 2,
+               .chip_select    = 0,
+               .max_speed_hz   = 48000000,
+               .controller_data = &p54spi_mcspi_config,
+       },
+};
+
+#if defined(CONFIG_MTD_ONENAND_OMAP2) || \
+       defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
+
+static struct mtd_partition onenand_partitions[] = {
+       {
+               .name           = "bootloader",
+               .offset         = 0,
+               .size           = 0x20000,
+               .mask_flags     = MTD_WRITEABLE,        /* Force read-only */
+       },
+       {
+               .name           = "config",
+               .offset         = MTDPART_OFS_APPEND,
+               .size           = 0x60000,
+       },
+       {
+               .name           = "kernel",
+               .offset         = MTDPART_OFS_APPEND,
+               .size           = 0x200000,
+       },
+       {
+               .name           = "initfs",
+               .offset         = MTDPART_OFS_APPEND,
+               .size           = 0x400000,
+       },
+       {
+               .name           = "rootfs",
+               .offset         = MTDPART_OFS_APPEND,
+               .size           = MTDPART_SIZ_FULL,
+       },
+};
+
+static struct omap_onenand_platform_data board_onenand_data = {
+       .cs             = 0,
+       .gpio_irq       = 26,
+       .parts          = onenand_partitions,
+       .nr_parts       = ARRAY_SIZE(onenand_partitions),
+       .flags          = ONENAND_SYNC_READ,
+};
+
+static void __init n8x0_onenand_init(void)
+{
+       gpmc_onenand_init(&board_onenand_data);
+}
+
+#else
+
+static void __init n8x0_onenand_init(void) {}
+
+#endif
+
+/* FIXME: n810 needs UART1 */
+static struct omap_uart_platform_data n8x0_uart_config __initdata = {
+       .enabled_uarts = (1 << 2),
+};
+
+static void __init n8x0_map_io(void)
+{
+       omap2_set_globals_242x();
+       omap2_map_common_io();
+}
+
+static void __init n8x0_init_irq(void)
+{
+       omap2_init_common_hw(NULL, NULL);
+       omap_init_irq();
+       omap_gpio_init();
+}
+
+static void __init n8x0_init_machine(void)
+{
+       /* FIXME: add n810 spi devices */
+       spi_register_board_info(n800_spi_board_info,
+                               ARRAY_SIZE(n800_spi_board_info));
+
+       omap_serial_init(&n8x0_uart_config);
+       n8x0_onenand_init();
+
+       n8x0_usb_init();
+}
+
+MACHINE_START(NOKIA_N800, "Nokia N800")
+       .phys_io        = 0x48000000,
+       .io_pg_offst    = ((0xd8000000) >> 18) & 0xfffc,
+       .boot_params    = 0x80000100,
+       .map_io         = n8x0_map_io,
+       .init_irq       = n8x0_init_irq,
+       .init_machine   = n8x0_init_machine,
+       .timer          = &omap_timer,
+MACHINE_END
+
+MACHINE_START(NOKIA_N810, "Nokia N810")
+       .phys_io        = 0x48000000,
+       .io_pg_offst    = ((0xd8000000) >> 18) & 0xfffc,
+       .boot_params    = 0x80000100,
+       .map_io         = n8x0_map_io,
+       .init_irq       = n8x0_init_irq,
+       .init_machine   = n8x0_init_machine,
+       .timer          = &omap_timer,
+MACHINE_END
+
+MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX")
+       .phys_io        = 0x48000000,
+       .io_pg_offst    = ((0xd8000000) >> 18) & 0xfffc,
+       .boot_params    = 0x80000100,
+       .map_io         = n8x0_map_io,
+       .init_irq       = n8x0_init_irq,
+       .init_machine   = n8x0_init_machine,
+       .timer          = &omap_timer,
+MACHINE_END

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