diff options
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/alchemy/common/clocks.c | 31 | ||||
| -rw-r--r-- | arch/mips/alchemy/common/time.c | 1 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-au1x00/au1000.h | 2 |
3 files changed, 0 insertions, 34 deletions
diff --git a/arch/mips/alchemy/common/clocks.c b/arch/mips/alchemy/common/clocks.c index 043429d17c5..a8170fda493 100644 --- a/arch/mips/alchemy/common/clocks.c +++ b/arch/mips/alchemy/common/clocks.c @@ -30,7 +30,6 @@ #include <asm/mach-au1x00/au1000.h> static unsigned int au1x00_clock; /* Hz */ -static unsigned int lcd_clock; /* KHz */ static unsigned long uart_baud_base; /* @@ -61,33 +60,3 @@ void set_au1x00_uart_baud_base(unsigned long new_baud_base) { uart_baud_base = new_baud_base; } - -/* - * Calculate the Au1x00's LCD clock based on the current - * cpu clock and the system bus clock, and try to keep it - * below 40 MHz (the Pb1000 board can lock-up if the LCD - * clock is over 40 MHz). - */ -void set_au1x00_lcd_clock(void) -{ - unsigned int static_cfg0; - unsigned int sys_busclk = (get_au1x00_speed() / 1000) / - ((int)(au_readl(SYS_POWERCTRL) & 0x03) + 2); - - static_cfg0 = au_readl(MEM_STCFG0); - - if (static_cfg0 & (1 << 11)) - lcd_clock = sys_busclk / 5; /* note: BCLK switching fails with D5 */ - else - lcd_clock = sys_busclk / 4; - - if (lcd_clock > 50000) /* Epson MAX */ - printk(KERN_WARNING "warning: LCD clock too high (%u KHz)\n", - lcd_clock); -} - -unsigned int get_au1x00_lcd_clock(void) -{ - return lcd_clock; -} -EXPORT_SYMBOL(get_au1x00_lcd_clock); diff --git a/arch/mips/alchemy/common/time.c b/arch/mips/alchemy/common/time.c index 563d9390a87..68d714258e9 100644 --- a/arch/mips/alchemy/common/time.c +++ b/arch/mips/alchemy/common/time.c @@ -224,7 +224,6 @@ void __init plat_time_init(void) printk(KERN_INFO "CPU frequency %u.%02u MHz\n", est_freq / 1000000, ((est_freq % 1000000) * 100) / 1000000); set_au1x00_speed(est_freq); - set_au1x00_lcd_clock(); /* program the LCD clock */ #ifdef CONFIG_PM /* diff --git a/arch/mips/include/asm/mach-au1x00/au1000.h b/arch/mips/include/asm/mach-au1x00/au1000.h index a7ba35247c8..d07632e3230 100644 --- a/arch/mips/include/asm/mach-au1x00/au1000.h +++ b/arch/mips/include/asm/mach-au1x00/au1000.h @@ -97,8 +97,6 @@ extern void set_au1x00_speed(unsigned int new_freq); extern unsigned int get_au1x00_speed(void); extern void set_au1x00_uart_baud_base(unsigned long new_baud_base); extern unsigned long get_au1x00_uart_baud_base(void); -extern void set_au1x00_lcd_clock(void); -extern unsigned int get_au1x00_lcd_clock(void); /* * Every board describes its IRQ mapping with this table. |