On Thu, Jun 4, 2015 at 8:53 PM, Geert Uytterhoeven
<geert+renesas@xxxxxxxxx> wrote:
> --- a/arch/arm/mach-shmobile/pm-rcar.c
> +++ b/arch/arm/mach-shmobile/pm-rcar.c
> @@ -51,11 +54,29 @@
> static void __iomem *rcar_sysc_base;
> static DEFINE_SPINLOCK(rcar_sysc_lock); /* SMP CPUs + I/O devices */
>
> +static unsigned int rcar_gen;
> +
> static int rcar_sysc_pwr_on_off(const struct rcar_sysc_ch *sysc_ch, bool on)
> {
> unsigned int sr_bit, reg_offs;
> int k;
>
> + /*
> + * Only R-Car H1 can control power to CPUs
> + * Use WFI to power off, CPG/APMU to resume ARM cores on later R-Car
> + * Generations
> + */
> + switch (rcar_gen) {
> + case 2:
> + /* FIXME Check rcar_pm_domain.cpu instead? */
> + switch (sysc_ch->chan_offs) {
> + case SYSC_PWR_CA15_CPU:
> + case SYSC_PWR_CA7_CPU:
Woops, this patch lacked:
+/*
+ * SYSC Power Control Register Base Addresses (R-Car Gen2)
+ */
+#define SYSC_PWR_CA15_CPU 0x40 /* CA15 cores (incl. L1C) (H2/M2/V2H) */
+#define SYSC_PWR_CA7_CPU 0x1c0 /* CA7 cores (incl. L1C) (H2/E2) */
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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