diff options
Diffstat (limited to 'arch/mips/alchemy/common/setup.c')
| -rw-r--r-- | arch/mips/alchemy/common/setup.c | 71 |
1 files changed, 12 insertions, 59 deletions
diff --git a/arch/mips/alchemy/common/setup.c b/arch/mips/alchemy/common/setup.c index 1ac6b06f42a..3f036b3d400 100644 --- a/arch/mips/alchemy/common/setup.c +++ b/arch/mips/alchemy/common/setup.c @@ -35,7 +35,6 @@ #include <asm/time.h> #include <au1000.h> -#include <prom.h> extern void __init board_setup(void); extern void au1000_restart(char *); @@ -45,80 +44,34 @@ extern void set_cpuspec(void); void __init plat_mem_setup(void) { - struct cpu_spec *sp; - char *argptr; - unsigned long prid, cpufreq, bclk; + unsigned long est_freq; - set_cpuspec(); - sp = cur_cpu_spec[0]; + /* determine core clock */ + est_freq = au1xxx_calc_clock(); + est_freq += 5000; /* round */ + est_freq -= est_freq % 10000; + printk(KERN_INFO "(PRId %08x) @ %lu.%02lu MHz\n", read_c0_prid(), + est_freq / 1000000, ((est_freq % 1000000) * 100) / 1000000); - board_setup(); /* board specific setup */ - - prid = read_c0_prid(); - if (sp->cpu_pll_wo) -#ifdef CONFIG_SOC_AU1000_FREQUENCY - cpufreq = CONFIG_SOC_AU1000_FREQUENCY / 1000000; -#else - cpufreq = 396; -#endif - else - cpufreq = (au_readl(SYS_CPUPLL) & 0x3F) * 12; - printk(KERN_INFO "(PRID %08lx) @ %ld MHz\n", prid, cpufreq); + _machine_restart = au1000_restart; + _machine_halt = au1000_halt; + pm_power_off = au1000_power_off; - if (sp->cpu_bclk) { - /* Enable BCLK switching */ - bclk = au_readl(SYS_POWERCTRL); - au_writel(bclk | 0x60, SYS_POWERCTRL); - printk(KERN_INFO "BCLK switching enabled!\n"); - } + board_setup(); /* board specific setup */ - if (sp->cpu_od) + if (au1xxx_cpu_needs_config_od()) /* Various early Au1xx0 errata corrected by this */ set_c0_config(1 << 19); /* Set Config[OD] */ else /* Clear to obtain best system bus performance */ clear_c0_config(1 << 19); /* Clear Config[OD] */ - argptr = prom_getcmdline(); - -#ifdef CONFIG_SERIAL_8250_CONSOLE - argptr = strstr(argptr, "console="); - if (argptr == NULL) { - argptr = prom_getcmdline(); - strcat(argptr, " console=ttyS0,115200"); - } -#endif - -#ifdef CONFIG_FB_AU1100 - argptr = strstr(argptr, "video="); - if (argptr == NULL) { - argptr = prom_getcmdline(); - /* default panel */ - /*strcat(argptr, " video=au1100fb:panel:Sharp_320x240_16");*/ - } -#endif - -#if defined(CONFIG_SOUND_AU1X00) && !defined(CONFIG_SOC_AU1000) - /* au1000 does not support vra, au1500 and au1100 do */ - strcat(argptr, " au1000_audio=vra"); - argptr = prom_getcmdline(); -#endif - _machine_restart = au1000_restart; - _machine_halt = au1000_halt; - pm_power_off = au1000_power_off; - /* IO/MEM resources. */ set_io_port_base(0); ioport_resource.start = IOPORT_RESOURCE_START; ioport_resource.end = IOPORT_RESOURCE_END; iomem_resource.start = IOMEM_RESOURCE_START; iomem_resource.end = IOMEM_RESOURCE_END; - - while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_E0S); - au_writel(SYS_CNTRL_E0 | SYS_CNTRL_EN0, SYS_COUNTER_CNTRL); - au_sync(); - while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_T0S); - au_writel(0, SYS_TOYTRIM); } #if defined(CONFIG_64BIT_PHYS_ADDR) |