From 5d855a627de59e8a1cce8735d964c004a9cf81b6 Mon Sep 17 00:00:00 2001 From: Russell King Date: Sun, 21 Aug 2016 00:09:10 +0100 Subject: assabet hack Signed-off-by: Russell King --- arch/arm/mach-sa1100/assabet.c | 20 ++++++++++++++------ 1 file changed, 14 insertions(+), 6 deletions(-) diff --git a/arch/arm/mach-sa1100/assabet.c b/arch/arm/mach-sa1100/assabet.c index 118b23d524b2..c261ff2d1cd3 100644 --- a/arch/arm/mach-sa1100/assabet.c +++ b/arch/arm/mach-sa1100/assabet.c @@ -374,7 +374,7 @@ static void assabet_lcd_set_visual(u32 visual) #ifndef ASSABET_PAL_VIDEO static void assabet_lcd_backlight_power(int on) { - if (on) + if (on && 0) ASSABET_BCR_set(ASSABET_BCR_LIGHT_ON); else ASSABET_BCR_clear(ASSABET_BCR_LIGHT_ON); @@ -387,9 +387,10 @@ static void assabet_lcd_backlight_power(int on) */ static void assabet_lcd_power(int on) { - if (on) { + if (on && 0) { + msleep(500); ASSABET_BCR_set(ASSABET_BCR_LCD_ON); - udelay(500); + msleep(500); } else ASSABET_BCR_clear(ASSABET_BCR_LCD_ON); } @@ -580,8 +581,8 @@ static void __init assabet_init(void) * Set up registers for sleep mode. */ PWER = PWER_GPIO0; - PGSR = 0; - PCFR = 0; + PGSR = GPIO_GPIO(17); + PCFR = PCFR_OPDE | PCFR_FP; PSDR = 0; PPDR |= PPC_TXD3 | PPC_TXD1; PPSR |= PPC_TXD3 | PPC_TXD1; @@ -674,6 +675,11 @@ static void __init get_assabet_scr(void) SCR_value = scr; } +static char neponset_cmdline[] __initdata = "console=ttySA0 " +"cpufreq=221200 rw root=/dev/mtdblock2 " +"mtdparts=sa1100:512K(boot),1M(kernel),2560K(initrd),4M(root) " +"load_ramdisk=1 prompt_ramdisk=0 mem=32M noinitrd initrd=0xc0800000,3M profile=2"; + static void __init fixup_assabet(struct tag *tags, char **cmdline) { @@ -681,8 +687,10 @@ fixup_assabet(struct tag *tags, char **cmdline) map_sa1100_gpio_regs(); get_assabet_scr(); - if (machine_has_neponset()) + if (machine_has_neponset()) { printk("Neponset expansion board detected\n"); + *cmdline = neponset_cmdline; + } } -- cgit