static void bootblock_southbridge_init(void) { enable_spi_prefetch(); enable_port80_on_lpc(); set_spi_speed(); /* Enable upper 128bytes of CMOS */ RCBA32(RC) = (1 << 2); }
static void bootblock_southbridge_init(void) { #if CONFIG_COLLECT_TIMESTAMPS store_initial_timestamp(); #endif map_rcba(); enable_spi_prefetch(); enable_port80_on_lpc(); set_spi_speed(); }
static void bootblock_southbridge_init(void) { #if CONFIG_COLLECT_TIMESTAMPS store_initial_timestamp(); #endif enable_spi_prefetch(); enable_port80_on_lpc(); set_spi_speed(); /* Enable upper 128bytes of CMOS */ RCBA32(RC) = (1 << 2); }
/** * lpc_early_init() - set up LPC serial ports and other early things * * @dev: LPC device * @return 0 if OK, -ve on error */ static int lpc_early_init(struct udevice *dev) { struct reg_info { u32 base; u32 size; } values[4], *ptr; int count; int i; count = fdtdec_get_int_array_count(gd->fdt_blob, dev->of_offset, "intel,gen-dec", (u32 *)values, sizeof(values) / sizeof(u32)); if (count < 0) return -EINVAL; /* Set COM1/COM2 decode range */ dm_pci_write_config16(dev->parent, LPC_IO_DEC, 0x0010); /* Enable PS/2 Keyboard/Mouse, EC areas and COM1 */ dm_pci_write_config16(dev->parent, LPC_EN, KBC_LPC_EN | MC_LPC_EN | GAMEL_LPC_EN | COMA_LPC_EN); /* Write all registers but use 0 if we run out of data */ count = count * sizeof(u32) / sizeof(values[0]); for (i = 0, ptr = values; i < ARRAY_SIZE(values); i++, ptr++) { u32 reg = 0; if (i < count) reg = ptr->base | PCI_COMMAND_IO | (ptr->size << 16); dm_pci_write_config32(dev->parent, LPC_GENX_DEC(i), reg); } enable_spi_prefetch(dev->parent); /* This is already done in start.S, but let's do it in C */ enable_port80_on_lpc(dev->parent); set_spi_speed(); return 0; }