diff options
Diffstat (limited to 'src/southbridge/winbond/w83c553/w83c553f.c')
| -rw-r--r-- | src/southbridge/winbond/w83c553/w83c553f.c | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/src/southbridge/winbond/w83c553/w83c553f.c b/src/southbridge/winbond/w83c553/w83c553f.c deleted file mode 100644 index 8f70ff032b..0000000000 --- a/src/southbridge/winbond/w83c553/w83c553f.c +++ /dev/null @@ -1,222 +0,0 @@ -/* - * (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Andreas Heppel <aheppel@sysgo.de> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, - * MA 02110-1301 USA - */ - -/* - * Initialisation of the PCI-to-ISA bridge and disabling the BIOS - * write protection (for flash) in function 0 of the chip. - * Enabling function 1 (IDE controller of the chip. - */ - -#ifndef CONFIG_ISA_IO -#define CONFIG_ISA_IO 0xFE000000 -#endif - -#include <arch/io.h> -#include <device/pci.h> -#include <device/pci_ids.h> -#include <console/console.h> -#include "w83c553f.h" - -void initialise_pic(void); -void initialise_dma(void); - -static void -w83c553_init(struct device *dev) -{ - printk_info("Configure W83C553F ISA Bridge (Function 0)\n"); - -#if 0 - /* - * Set ISA memory space NOT SURE ABOUT THIS??? - */ - reg8 = pci_read_config8(dev, W83C553F_IPADCR); - /* 16 MB ISA memory space */ - reg8 |= (W83C553F_IPADCR_IPATOM4 | W83C553F_IPADCR_IPATOM5 | W83C553F_IPADCR_IPATOM6 | W83C553F_IPADCR_IPATOM7); - reg8 &= ~W83C553F_IPADCR_MBE512; - pci_write_config8(dev, W83C553F_IPADCR, reg8); - - /* - * Chip select: switch off BIOS write protection - */ - reg8 = pci_read_config8(dev, W83C553F_CSCR); - reg8 |= W83C553F_CSCR_UBIOSCSE; - reg8 &= ~W83C553F_CSCR_BIOSWP; - pci_write_config8(dev, W83C553F_CSCR, reg8); - - /* - * Enable Port 92 - */ - reg8 = W83C553F_ATSCR_P92E | W83C553F_ATSCR_KRCEE; - pci_write_config8(dev, W83C553F_CSCR, reg8); - - /* - * Route IDE interrupts to IRQ 14 & 15 on 8259. - */ - pci_write_config8(dev, W83C553F_IDEIRCR, 0x90); - pci_write_config16(dev, W83C553F_PCIIRCR, 0xABEF); - - /* - * Initialise ISA interrupt controller - */ - initialise_pic(); - - /* - * Initialise DMA controller - */ - initialise_dma(); -#endif - - printk_info("W83C553F configuration complete\n"); -} - -void initialise_pic(void) -{ - outb(W83C553F_PIC1_ICW1, 0x11); /* start init sequence, ICW4 needed */ - outb(W83C553F_PIC1_ICW2, 0x08); /* base address 00001 */ - outb(W83C553F_PIC1_ICW3, 0x04); /* slave on IRQ2 */ - outb(W83C553F_PIC1_ICW4, 0x01); /* x86 mode */ - outb(W83C553F_PIC1_OCW1, 0xfb); /* enable IRQ 2 */ - outb(W83C553F_PIC1_ELC, 0xf8); /* all IRQ's edge sensitive */ - - outb(W83C553F_PIC2_ICW1, 0x11); /* start init sequence, ICW4 needed */ - outb(W83C553F_PIC2_ICW2, 0x08); /* base address 00001 */ - outb(W83C553F_PIC2_ICW3, 0x02); /* slave ID 2 */ - outb(W83C553F_PIC2_ICW4, 0x01); /* x86 mode */ - outb(W83C553F_PIC2_OCW1, 0xff); /* disable all IRQ's */ - outb(W83C553F_PIC2_ELC, 0xde); /* all IRQ's edge sensitive */ - - outb(W83C553F_TMR1_CMOD, 0x74); - - outb(W83C553F_PIC2_OCW1, 0x20); - outb(W83C553F_PIC1_OCW1, 0x20); - - outb(W83C553F_PIC2_OCW1, 0x2b); - outb(W83C553F_PIC1_OCW1, 0x2b); -} - -void initialise_dma(void) -{ - unsigned int channel; - unsigned int rvalue1, rvalue2; - - /* perform a H/W reset of the devices */ - - outb(W83C553F_DMA1 + W83C553F_DMA1_MC, 0x00); - outw(W83C553F_DMA2 + W83C553F_DMA2_MC, 0x0000); - - /* initialise all channels to a sane state */ - - for (channel = 0; channel < 4; channel++) { - /* - * dependent upon the channel, setup the specifics: - * - * demand - * address-increment - * autoinitialize-disable - * verify-transfer - */ - - switch (channel) { - case 0: - rvalue1 = (W83C553F_MODE_TM_DEMAND|W83C553F_MODE_CH0SEL|W83C553F_MODE_TT_VERIFY); - rvalue2 = (W83C553F_MODE_TM_CASCADE|W83C553F_MODE_CH0SEL); - break; - case 1: - rvalue1 = (W83C553F_MODE_TM_DEMAND|W83C553F_MODE_CH1SEL|W83C553F_MODE_TT_VERIFY); - rvalue2 = (W83C553F_MODE_TM_DEMAND|W83C553F_MODE_CH1SEL|W83C553F_MODE_TT_VERIFY); - break; - case 2: - rvalue1 = (W83C553F_MODE_TM_DEMAND|W83C553F_MODE_CH2SEL|W83C553F_MODE_TT_VERIFY); - rvalue2 = (W83C553F_MODE_TM_DEMAND|W83C553F_MODE_CH2SEL|W83C553F_MODE_TT_VERIFY); - break; - case 3: - rvalue1 = (W83C553F_MODE_TM_DEMAND|W83C553F_MODE_CH3SEL|W83C553F_MODE_TT_VERIFY); - rvalue2 = (W83C553F_MODE_TM_DEMAND|W83C553F_MODE_CH3SEL|W83C553F_MODE_TT_VERIFY); - break; - default: - rvalue1 = 0x00; - rvalue2 = 0x00; - break; - } - - /* write to write mode registers */ - - outb(W83C553F_DMA1 + W83C553F_DMA1_WM, rvalue1 & 0xFF); - outw(W83C553F_DMA2 + W83C553F_DMA2_WM, rvalue2 & 0x00FF); - } - - /* enable all channels */ - - outb(W83C553F_DMA1 + W83C553F_DMA1_CM, 0x00); - outw(W83C553F_DMA2 + W83C553F_DMA2_CM, 0x0000); - /* - * initialize the global DMA configuration - * - * DACK# active low - * DREQ active high - * fixed priority - * channel group enable - */ - - outb(W83C553F_DMA1 + W83C553F_DMA1_CS, 0x00); - outw(W83C553F_DMA2 + W83C553F_DMA2_CS, 0x0000); -} - -static void w83c553_enable_resources(device_t dev) -{ - pci_dev_enable_resources(dev); - enable_childrens_resources(dev); -} - -static void w83c553_read_resources(device_t dev) -{ - struct resource* res; - - pci_dev_read_resources(dev); - - res = new_resource(dev, 1); - res->base = 0x0UL; - res->size = 0x400UL; - res->limit = 0xffffUL; - res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED; - - res = new_resource(dev, 3); /* IOAPIC */ - res->base = 0xfec00000; - res->size = 0x00001000; - res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED; -} - -static struct device_operations w83c553_ops = { - .read_resources = w83c553_read_resources, - .set_resources = pci_dev_set_resources, - .enable_resources = w83c553_enable_resources, - .init = w83c553_init, - .scan_bus = scan_static_bus, -}; - -static const struct pci_driver w83c553f_pci_driver __pci_driver = { - /* w83c553f */ - .ops = &w83c553_ops, - .device = PCI_DEVICE_ID_WINBOND_83C553, - .vendor = PCI_VENDOR_ID_WINBOND, -}; 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