static void ssb_pmu_pll_init()

in driver_chipcommon_pmu.c [317:355]

• 37 lines of code
• 11 McCabe index (conditional complexity)

static void ssb_pmu_pll_init(struct ssb_chipcommon *cc)
{
	struct ssb_bus *bus = cc->dev->bus;
	u32 crystalfreq = 0; /* in kHz. 0 = keep default freq. */

	if (bus->bustype == SSB_BUSTYPE_SSB) {
#ifdef CONFIG_BCM47XX
		char buf[20];
		if (bcm47xx_nvram_getenv("xtalfreq", buf, sizeof(buf)) >= 0)
			crystalfreq = simple_strtoul(buf, NULL, 0);
#endif
	}

	switch (bus->chip_id) {
	case 0x4312:
	case 0x4325:
		ssb_pmu1_pllinit_r0(cc, crystalfreq);
		break;
	case 0x4328:
		ssb_pmu0_pllinit_r0(cc, crystalfreq);
		break;
	case 0x5354:
		if (crystalfreq == 0)
			crystalfreq = 25000;
		ssb_pmu0_pllinit_r0(cc, crystalfreq);
		break;
	case 0x4322:
		if (cc->pmu.rev == 2) {
			chipco_write32(cc, SSB_CHIPCO_PLLCTL_ADDR, 0x0000000A);
			chipco_write32(cc, SSB_CHIPCO_PLLCTL_DATA, 0x380005C0);
		}
		break;
	case 43222:
		break;
	default:
		dev_err(cc->dev->dev, "ERROR: PLL init unknown for device %04X\n",
			bus->chip_id);
	}
}