X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fppc%2Fplatforms%2Flite5200.c;h=db6ea440c80a3930bfcc3c45ff53171499caaec9;hb=c7b5ebbddf7bcd3651947760f423e3783bbe6573;hp=043040dc93c4dd815e39cd0174a3e45c60ff275f;hpb=a2c21200f1c81b08cb55e417b68150bba439b646;p=linux-2.6.git diff --git a/arch/ppc/platforms/lite5200.c b/arch/ppc/platforms/lite5200.c index 043040dc9..db6ea440c 100644 --- a/arch/ppc/platforms/lite5200.c +++ b/arch/ppc/platforms/lite5200.c @@ -36,6 +36,8 @@ #include +extern int powersave_nap; + /* Board data given by U-Boot */ bd_t __res; EXPORT_SYMBOL(__res); /* For modules */ @@ -64,25 +66,55 @@ struct ocp_def board_ocp[] = { .vendor = OCP_VENDOR_INVALID } }; - + /* ======================================================================== */ /* Platform specific code */ /* ======================================================================== */ static int -icecube_show_cpuinfo(struct seq_file *m) +lite5200_show_cpuinfo(struct seq_file *m) { seq_printf(m, "machine\t\t: Freescale LITE5200\n"); return 0; } static void __init -icecube_setup_arch(void) +lite5200_setup_cpu(void) { + struct mpc52xx_intr *intr; + + u32 intr_ctrl; + + /* Map zones */ + intr = (struct mpc52xx_intr *) + ioremap(MPC52xx_INTR,sizeof(struct mpc52xx_intr)); + + if (!intr) { + printk("lite5200.c: Error while mapping INTR during lite5200_setup_cpu\n"); + goto unmap_regs; + } + + /* IRQ[0-3] setup : IRQ0 - Level Active Low */ + /* IRQ[1-3] - Level Active High */ + intr_ctrl = in_be32(&intr->ctrl); + intr_ctrl &= ~0x00ff0000; + intr_ctrl |= 0x00c00000; + out_be32(&intr->ctrl, intr_ctrl); + + /* Unmap reg zone */ +unmap_regs: + if (intr) iounmap(intr); +} +static void __init +lite5200_setup_arch(void) +{ /* Add board OCP definitions */ mpc52xx_add_board_devices(board_ocp); + + /* CPU & Port mux setup */ + lite5200_setup_cpu(); } void __init @@ -110,7 +142,7 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5, initrd_end = r5 + KERNELBASE; } #endif - + /* Load the command line */ if (r6) { *(char *)(r7+KERNELBASE) = 0; @@ -120,14 +152,17 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5, /* BAT setup */ mpc52xx_set_bat(); - + /* No ISA bus AFAIK */ isa_io_base = 0; isa_mem_base = 0; + /* Powersave */ + powersave_nap = 1; /* We allow this platform to NAP */ + /* Setup the ppc_md struct */ - ppc_md.setup_arch = icecube_setup_arch; - ppc_md.show_cpuinfo = icecube_show_cpuinfo; + ppc_md.setup_arch = lite5200_setup_arch; + ppc_md.show_cpuinfo = lite5200_show_cpuinfo; ppc_md.show_percpuinfo = NULL; ppc_md.init_IRQ = mpc52xx_init_irq; ppc_md.get_irq = mpc52xx_get_irq; @@ -138,12 +173,12 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5, ppc_md.restart = mpc52xx_restart; ppc_md.power_off = mpc52xx_power_off; ppc_md.halt = mpc52xx_halt; - - /* No time keeper on the IceCube */ + + /* No time keeper on the LITE5200 */ ppc_md.time_init = NULL; ppc_md.get_rtc_time = NULL; ppc_md.set_rtc_time = NULL; - + ppc_md.calibrate_decr = mpc52xx_calibrate_decr; #ifdef CONFIG_SERIAL_TEXT_DEBUG ppc_md.progress = mpc52xx_progress;