mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
148 lines
3.4 KiB
148 lines
3.4 KiB
// SPDX-License-Identifier: GPL-2.0-only |
|
/* |
|
* arch/arm/mach-pxa/colibri-pxa3xx.c |
|
* |
|
* Common functions for all Toradex PXA3xx modules |
|
* |
|
* Daniel Mack <[email protected]> |
|
*/ |
|
|
|
#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 |
|
|
|
|