diff options
Diffstat (limited to 'kernel/arch/arm/mach-netx/nxeb500hmi.c')
| -rw-r--r-- | kernel/arch/arm/mach-netx/nxeb500hmi.c | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-netx/nxeb500hmi.c b/kernel/arch/arm/mach-netx/nxeb500hmi.c new file mode 100644 index 000000000..ad17885d0 --- /dev/null +++ b/kernel/arch/arm/mach-netx/nxeb500hmi.c @@ -0,0 +1,186 @@ +/* + * arch/arm/mach-netx/nxeb500hmi.c + * + * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix + * + * 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. + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/dma-mapping.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/mtd/plat-ram.h> +#include <linux/platform_device.h> +#include <linux/amba/bus.h> +#include <linux/amba/clcd.h> + +#include <mach/hardware.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <mach/netx-regs.h> +#include <linux/platform_data/eth-netx.h> + +#include "generic.h" +#include "fb.h" + +static struct clcd_panel qvga = { + .mode = { + .name = "QVGA", + .refresh = 60, + .xres = 240, + .yres = 320, + .pixclock = 187617, + .left_margin = 6, + .right_margin = 26, + .upper_margin = 0, + .lower_margin = 6, + .hsync_len = 6, + .vsync_len = 1, + .sync = 0, + .vmode = FB_VMODE_NONINTERLACED, + }, + .width = -1, + .height = -1, + .tim2 = 16, + .cntl = CNTL_LCDTFT | CNTL_BGR, + .bpp = 16, + .grayscale = 0, +}; + +static inline int nxeb500hmi_check(struct clcd_fb *fb, struct fb_var_screeninfo *var) +{ + var->green.length = 5; + var->green.msb_right = 0; + + return clcdfb_check(fb, var); +} + +static int nxeb500hmi_clcd_setup(struct clcd_fb *fb) +{ + unsigned int val; + + fb->fb.var.green.length = 5; + fb->fb.var.green.msb_right = 0; + + /* enable asic control */ + val = readl(NETX_SYSTEM_IOC_ACCESS_KEY); + writel(val, NETX_SYSTEM_IOC_ACCESS_KEY); + + writel(3, NETX_SYSTEM_IOC_CR); + + /* GPIO 14 is used for display enable on newer boards */ + writel(9, NETX_GPIO_CFG(14)); + + val = readl(NETX_PIO_OUTPIO); + writel(val | 1, NETX_PIO_OUTPIO); + + val = readl(NETX_PIO_OEPIO); + writel(val | 1, NETX_PIO_OEPIO); + return netx_clcd_setup(fb); +} + +static struct clcd_board clcd_data = { + .name = "netX", + .check = nxeb500hmi_check, + .decode = clcdfb_decode, + .enable = netx_clcd_enable, + .setup = nxeb500hmi_clcd_setup, + .mmap = netx_clcd_mmap, + .remove = netx_clcd_remove, +}; + +static struct netxeth_platform_data eth0_platform_data = { + .xcno = 0, +}; + +static struct platform_device netx_eth0_device = { + .name = "netx-eth", + .id = 0, + .num_resources = 0, + .resource = NULL, + .dev = { + .platform_data = ð0_platform_data, + } +}; + +static struct netxeth_platform_data eth1_platform_data = { + .xcno = 1, +}; + +static struct platform_device netx_eth1_device = { + .name = "netx-eth", + .id = 1, + .num_resources = 0, + .resource = NULL, + .dev = { + .platform_data = ð1_platform_data, + } +}; + +static struct resource netx_cf_resources[] = { + [0] = { + .start = 0x20000000, + .end = 0x25ffffff, + .flags = IORESOURCE_MEM | IORESOURCE_MEM_8AND16BIT, + }, +}; + +static struct platform_device netx_cf_device = { + .name = "netx-cf", + .id = 0, + .resource = netx_cf_resources, + .num_resources = ARRAY_SIZE(netx_cf_resources), +}; + +static struct resource netx_uart0_resources[] = { + [0] = { + .start = 0x00100A00, + .end = 0x00100A3F, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = (NETX_IRQ_UART0), + .end = (NETX_IRQ_UART0), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device netx_uart0_device = { + .name = "netx-uart", + .id = 0, + .num_resources = ARRAY_SIZE(netx_uart0_resources), + .resource = netx_uart0_resources, +}; + +static struct platform_device *devices[] __initdata = { + &netx_eth0_device, + &netx_eth1_device, + &netx_cf_device, + &netx_uart0_device, +}; + +static void __init nxeb500hmi_init(void) +{ + netx_fb_init(&clcd_data, &qvga); + platform_add_devices(devices, ARRAY_SIZE(devices)); +} + +MACHINE_START(NXEB500HMI, "Hilscher nxeb500hmi") + .atag_offset = 0x100, + .map_io = netx_map_io, + .init_irq = netx_init_irq, + .init_time = netx_timer_init, + .init_machine = nxeb500hmi_init, + .restart = netx_restart, +MACHINE_END |