mirror of
https://github.com/brain-hackers/linux-brain.git
synced 2024-06-09 07:16:21 +09:00
d2912cb15b
Based on 2 normalized pattern(s): 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 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 # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
149 lines
3.4 KiB
C
149 lines
3.4 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/*
|
|
* arch/arm/mach-pxa/colibri-pxa3xx.c
|
|
*
|
|
* Common functions for all Toradex PXA3xx modules
|
|
*
|
|
* Daniel Mack <daniel@caiaq.de>
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/gpio.h>
|
|
#include <linux/etherdevice.h>
|
|
#include <asm/mach-types.h>
|
|
#include <mach/hardware.h>
|
|
#include <linux/sizes.h>
|
|
#include <asm/system_info.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/irq.h>
|
|
#include <mach/pxa3xx-regs.h>
|
|
#include "mfp-pxa300.h"
|
|
#include "colibri.h"
|
|
#include <linux/platform_data/mmc-pxamci.h>
|
|
#include <linux/platform_data/video-pxafb.h>
|
|
#include <linux/platform_data/mtd-nand-pxa3xx.h>
|
|
|
|
#include "generic.h"
|
|
#include "devices.h"
|
|
|
|
#if defined(CONFIG_AX88796)
|
|
#define ETHER_ADDR_LEN 6
|
|
static u8 ether_mac_addr[ETHER_ADDR_LEN];
|
|
|
|
void __init colibri_pxa3xx_init_eth(struct ax_plat_data *plat_data)
|
|
{
|
|
int i;
|
|
u64 serial = ((u64) system_serial_high << 32) | system_serial_low;
|
|
|
|
/*
|
|
* If the bootloader passed in a serial boot tag, which contains a
|
|
* valid ethernet MAC, pass it to the interface. Toradex ships the
|
|
* modules with their own bootloader which provides a valid MAC
|
|
* this way.
|
|
*/
|
|
|
|
for (i = 0; i < ETHER_ADDR_LEN; i++) {
|
|
ether_mac_addr[i] = serial & 0xff;
|
|
serial >>= 8;
|
|
}
|
|
|
|
if (is_valid_ether_addr(ether_mac_addr)) {
|
|
plat_data->flags |= AXFLG_MAC_FROMPLATFORM;
|
|
plat_data->mac_addr = ether_mac_addr;
|
|
printk(KERN_INFO "%s(): taking MAC from serial boot tag\n",
|
|
__func__);
|
|
} else {
|
|
plat_data->flags |= AXFLG_MAC_FROMDEV;
|
|
printk(KERN_INFO "%s(): no valid serial boot tag found, "
|
|
"taking MAC from device\n", __func__);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
|
|
static int lcd_bl_pin;
|
|
|
|
/*
|
|
* LCD panel (Sharp LQ043T3DX02)
|
|
*/
|
|
static void colibri_lcd_backlight(int on)
|
|
{
|
|
gpio_set_value(lcd_bl_pin, !!on);
|
|
}
|
|
|
|
static struct pxafb_mode_info sharp_lq43_mode = {
|
|
.pixclock = 101936,
|
|
.xres = 480,
|
|
.yres = 272,
|
|
.bpp = 32,
|
|
.depth = 18,
|
|
.hsync_len = 41,
|
|
.left_margin = 2,
|
|
.right_margin = 2,
|
|
.vsync_len = 10,
|
|
.upper_margin = 2,
|
|
.lower_margin = 2,
|
|
.sync = 0,
|
|
.cmap_greyscale = 0,
|
|
};
|
|
|
|
static struct pxafb_mach_info sharp_lq43_info = {
|
|
.modes = &sharp_lq43_mode,
|
|
.num_modes = 1,
|
|
.cmap_inverse = 0,
|
|
.cmap_static = 0,
|
|
.lcd_conn = LCD_COLOR_TFT_18BPP,
|
|
.pxafb_backlight_power = colibri_lcd_backlight,
|
|
};
|
|
|
|
void __init colibri_pxa3xx_init_lcd(int bl_pin)
|
|
{
|
|
lcd_bl_pin = bl_pin;
|
|
gpio_request(bl_pin, "lcd backlight");
|
|
gpio_direction_output(bl_pin, 0);
|
|
pxa_set_fb_info(NULL, &sharp_lq43_info);
|
|
}
|
|
#endif
|
|
|
|
#if IS_ENABLED(CONFIG_MTD_NAND_MARVELL)
|
|
static struct mtd_partition colibri_nand_partitions[] = {
|
|
{
|
|
.name = "bootloader",
|
|
.offset = 0,
|
|
.size = SZ_512K,
|
|
.mask_flags = MTD_WRITEABLE, /* force read-only */
|
|
},
|
|
{
|
|
.name = "kernel",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = SZ_4M,
|
|
.mask_flags = MTD_WRITEABLE, /* force read-only */
|
|
},
|
|
{
|
|
.name = "reserved",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = SZ_1M,
|
|
.mask_flags = MTD_WRITEABLE, /* force read-only */
|
|
},
|
|
{
|
|
.name = "fs",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = MTDPART_SIZ_FULL,
|
|
},
|
|
};
|
|
|
|
static struct pxa3xx_nand_platform_data colibri_nand_info = {
|
|
.keep_config = 1,
|
|
.parts = colibri_nand_partitions,
|
|
.nr_parts = ARRAY_SIZE(colibri_nand_partitions),
|
|
};
|
|
|
|
void __init colibri_pxa3xx_init_nand(void)
|
|
{
|
|
pxa3xx_set_nand_info(&colibri_nand_info);
|
|
}
|
|
#endif
|
|
|