diff options
Diffstat (limited to 'arch/powerpc/platforms/52xx/lite5200.c')
| -rw-r--r-- | arch/powerpc/platforms/52xx/lite5200.c | 28 |
1 files changed, 11 insertions, 17 deletions
diff --git a/arch/powerpc/platforms/52xx/lite5200.c b/arch/powerpc/platforms/52xx/lite5200.c index 5c46e89..e11d27f 100644 --- a/arch/powerpc/platforms/52xx/lite5200.c +++ b/arch/powerpc/platforms/52xx/lite5200.c @@ -35,7 +35,6 @@ #include <asm/io.h> #include <asm/machdep.h> #include <asm/ipic.h> -#include <asm/bootinfo.h> #include <asm/irq.h> #include <asm/prom.h> #include <asm/udbg.h> @@ -86,7 +85,6 @@ error: } #ifdef CONFIG_PM -static u32 descr_a; static void lite5200_suspend_prepare(void __iomem *mbar) { u8 pin = 1; /* GPIO_WKUP_1 (GPIO_PSC2_4) */ @@ -97,34 +95,30 @@ static void lite5200_suspend_prepare(void __iomem *mbar) * power down usb port * this needs to be called before of-ohci suspend code */ - descr_a = in_be32(mbar + 0x1048); - out_be32(mbar + 0x1048, (descr_a & ~0x200) | 0x100); + + /* set ports to "power switched" and "powered at the same time" + * USB Rh descriptor A: NPS = 0, PSM = 0 */ + out_be32(mbar + 0x1048, in_be32(mbar + 0x1048) & ~0x300); + /* USB Rh status: LPS = 1 - turn off power */ + out_be32(mbar + 0x1050, 0x00000001); } static void lite5200_resume_finish(void __iomem *mbar) { - out_be32(mbar + 0x1048, descr_a); + /* USB Rh status: LPSC = 1 - turn on power */ + out_be32(mbar + 0x1050, 0x00010000); } #endif static void __init lite5200_setup_arch(void) { +#ifdef CONFIG_PCI struct device_node *np; +#endif if (ppc_md.progress) ppc_md.progress("lite5200_setup_arch()", 0); - np = of_find_node_by_type(NULL, "cpu"); - if (np) { - const unsigned int *fp = - of_get_property(np, "clock-frequency", NULL); - if (fp != 0) - loops_per_jiffy = *fp / HZ; - else - loops_per_jiffy = 50000000 / HZ; - of_node_put(np); - } - /* CPU & Port mux setup */ mpc52xx_setup_cpu(); /* Generic */ lite5200_setup_cpu(); /* Platorm specific */ @@ -132,7 +126,7 @@ static void __init lite5200_setup_arch(void) #ifdef CONFIG_PM mpc52xx_suspend.board_suspend_prepare = lite5200_suspend_prepare; mpc52xx_suspend.board_resume_finish = lite5200_resume_finish; - mpc52xx_pm_init(); + lite5200_pm_init(); #endif #ifdef CONFIG_PCI |