diff options
| -rw-r--r-- | arch/mips/boot/dts/mti/sead3.dts | 5 | ||||
| -rw-r--r-- | arch/mips/mti-sead3/Makefile | 3 | ||||
| -rw-r--r-- | arch/mips/mti-sead3/sead3-display.c | 77 | ||||
| -rw-r--r-- | arch/mips/mti-sead3/sead3-time.c | 2 |
4 files changed, 6 insertions, 81 deletions
diff --git a/arch/mips/boot/dts/mti/sead3.dts b/arch/mips/boot/dts/mti/sead3.dts index 32a5ab988b65..2579ca51c0b6 100644 --- a/arch/mips/boot/dts/mti/sead3.dts +++ b/arch/mips/boot/dts/mti/sead3.dts @@ -210,6 +210,11 @@ mask = <0x80>; label = "fled7"; }; + + lcd@200 { + compatible = "mti,sead3-lcd"; + offset = <0x200>; + }; }; /* UART connected to FTDI & miniUSB socket */ diff --git a/arch/mips/mti-sead3/Makefile b/arch/mips/mti-sead3/Makefile index cb6d620a685c..1674b9cf7527 100644 --- a/arch/mips/mti-sead3/Makefile +++ b/arch/mips/mti-sead3/Makefile @@ -8,8 +8,7 @@ # Copyright (C) 2012 MIPS Technoligies, Inc. All rights reserved. # Steven J. Hill <sjhill@mips.com> # -obj-y := sead3-display.o -obj-y += sead3-dtshim.o +obj-y := sead3-dtshim.o obj-y += sead3-init.o obj-y += sead3-int.o obj-y += sead3-setup.o diff --git a/arch/mips/mti-sead3/sead3-display.c b/arch/mips/mti-sead3/sead3-display.c deleted file mode 100644 index 94875991907b..000000000000 --- a/arch/mips/mti-sead3/sead3-display.c +++ /dev/null @@ -1,77 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. - */ -#include <linux/timer.h> -#include <linux/io.h> -#include <asm/mips-boards/generic.h> - -static unsigned int display_count; -static unsigned int max_display_count; - -#define LCD_DISPLAY_POS_BASE 0x1f000400 -#define DISPLAY_LCDINSTRUCTION (0*2) -#define DISPLAY_LCDDATA (1*2) -#define DISPLAY_CPLDSTATUS (2*2) -#define DISPLAY_CPLDDATA (3*2) -#define LCD_SETDDRAM 0x80 -#define LCD_IR_BF 0x80 - -const char display_string[] = " LINUX ON SEAD3 "; - -static void scroll_display_message(unsigned long data); -static DEFINE_TIMER(mips_scroll_timer, scroll_display_message, HZ, 0); - -static void lcd_wait(unsigned int __iomem *display) -{ - /* Wait for CPLD state machine to become idle. */ - do { } while (__raw_readl(display + DISPLAY_CPLDSTATUS) & 1); - - do { - __raw_readl(display + DISPLAY_LCDINSTRUCTION); - - /* Wait for CPLD state machine to become idle. */ - do { } while (__raw_readl(display + DISPLAY_CPLDSTATUS) & 1); - } while (__raw_readl(display + DISPLAY_CPLDDATA) & LCD_IR_BF); -} - -void mips_display_message(const char *str) -{ - static unsigned int __iomem *display; - char ch; - int i; - - if (unlikely(display == NULL)) - display = ioremap_nocache(LCD_DISPLAY_POS_BASE, - (8 * sizeof(int))); - - for (i = 0; i < 16; i++) { - if (*str) - ch = *str++; - else - ch = ' '; - lcd_wait(display); - __raw_writel((LCD_SETDDRAM | i), - (display + DISPLAY_LCDINSTRUCTION)); - lcd_wait(display); - __raw_writel(ch, display + DISPLAY_LCDDATA); - } -} - -static void scroll_display_message(unsigned long data) -{ - mips_display_message(&display_string[display_count++]); - if (display_count == max_display_count) - display_count = 0; - mod_timer(&mips_scroll_timer, jiffies + HZ); -} - -void mips_scroll_message(void) -{ - del_timer_sync(&mips_scroll_timer); - max_display_count = strlen(display_string) + 1 - 16; - mod_timer(&mips_scroll_timer, jiffies + 1); -} diff --git a/arch/mips/mti-sead3/sead3-time.c b/arch/mips/mti-sead3/sead3-time.c index a120b7a5a8fe..10b0bf338027 100644 --- a/arch/mips/mti-sead3/sead3-time.c +++ b/arch/mips/mti-sead3/sead3-time.c @@ -94,6 +94,4 @@ void __init plat_time_init(void) pr_debug("CPU frequency %d.%02d MHz\n", (est_freq / 1000000), (est_freq % 1000000) * 100 / 1000000); - - mips_scroll_message(); } |