diff options
Diffstat (limited to 'arch/ppc/platforms/4xx/ep405.c')
| -rw-r--r-- | arch/ppc/platforms/4xx/ep405.c | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/arch/ppc/platforms/4xx/ep405.c b/arch/ppc/platforms/4xx/ep405.c deleted file mode 100644 index 5aa2950..0000000 --- a/arch/ppc/platforms/4xx/ep405.c +++ /dev/null @@ -1,196 +0,0 @@ -/* - * Embedded Planet 405GP board - * http://www.embeddedplanet.com - * - * Author: Matthew Locke <mlocke@mvista.com> - * - * 2001 (c) MontaVista, Software, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. - */ -#include <linux/init.h> -#include <linux/pci.h> -#include <asm/system.h> -#include <asm/pci-bridge.h> -#include <asm/machdep.h> -#include <asm/todc.h> -#include <asm/ocp.h> -#include <asm/ibm_ocp_pci.h> - -#undef DEBUG -#ifdef DEBUG -#define DBG(x...) printk(x) -#else -#define DBG(x...) -#endif - -u8 *ep405_bcsr; -u8 *ep405_nvram; - -static struct { - u8 cpld_xirq_select; - int pci_idsel; - int irq; -} ep405_devtable[] = { -#ifdef CONFIG_EP405PC - {0x07, 0x0E, 25}, /* EP405PC: USB */ -#endif -}; - -int __init -ppc405_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin) -{ - int i; - - /* AFAICT this is only called a few times during PCI setup, so - performance is not critical */ - for (i = 0; i < ARRAY_SIZE(ep405_devtable); i++) { - if (idsel == ep405_devtable[i].pci_idsel) - return ep405_devtable[i].irq; - } - return -1; -}; - -void __init -ep405_setup_arch(void) -{ - ppc4xx_setup_arch(); - - ibm_ocp_set_emac(0, 0); - - if (__res.bi_nvramsize == 512*1024) { - /* FIXME: we should properly handle NVRTCs of different sizes */ - TODC_INIT(TODC_TYPE_DS1557, ep405_nvram, ep405_nvram, ep405_nvram, 8); - } -} - -void __init -bios_fixup(struct pci_controller *hose, struct pcil0_regs *pcip) -{ -#ifdef CONFIG_PCI - unsigned int bar_response, bar; - /* - * Expected PCI mapping: - * - * PLB addr PCI memory addr - * --------------------- --------------------- - * 0000'0000 - 7fff'ffff <--- 0000'0000 - 7fff'ffff - * 8000'0000 - Bfff'ffff ---> 8000'0000 - Bfff'ffff - * - * PLB addr PCI io addr - * --------------------- --------------------- - * e800'0000 - e800'ffff ---> 0000'0000 - 0001'0000 - * - */ - - /* Disable region zero first */ - out_le32((void *) &(pcip->pmm[0].ma), 0x00000000); - /* PLB starting addr, PCI: 0x80000000 */ - out_le32((void *) &(pcip->pmm[0].la), 0x80000000); - /* PCI start addr, 0x80000000 */ - out_le32((void *) &(pcip->pmm[0].pcila), PPC405_PCI_MEM_BASE); - /* 512MB range of PLB to PCI */ - out_le32((void *) &(pcip->pmm[0].pciha), 0x00000000); - /* Enable no pre-fetch, enable region */ - out_le32((void *) &(pcip->pmm[0].ma), ((0xffffffff - - (PPC405_PCI_UPPER_MEM - - PPC405_PCI_MEM_BASE)) | 0x01)); - - /* Disable region one */ - out_le32((void *) &(pcip->pmm[1].ma), 0x00000000); - out_le32((void *) &(pcip->pmm[1].la), 0x00000000); - out_le32((void *) &(pcip->pmm[1].pcila), 0x00000000); - out_le32((void *) &(pcip->pmm[1].pciha), 0x00000000); - out_le32((void *) &(pcip->pmm[1].ma), 0x00000000); - out_le32((void *) &(pcip->ptm1ms), 0x00000000); - - /* Disable region two */ - out_le32((void *) &(pcip->pmm[2].ma), 0x00000000); - out_le32((void *) &(pcip->pmm[2].la), 0x00000000); - out_le32((void *) &(pcip->pmm[2].pcila), 0x00000000); - out_le32((void *) &(pcip->pmm[2].pciha), 0x00000000); - out_le32((void *) &(pcip->pmm[2].ma), 0x00000000); - out_le32((void *) &(pcip->ptm2ms), 0x00000000); - - /* Configure PTM (PCI->PLB) region 1 */ - out_le32((void *) &(pcip->ptm1la), 0x00000000); /* PLB base address */ - /* Disable PTM region 2 */ - out_le32((void *) &(pcip->ptm2ms), 0x00000000); - - /* Zero config bars */ - for (bar = PCI_BASE_ADDRESS_1; bar <= PCI_BASE_ADDRESS_2; bar += 4) { - early_write_config_dword(hose, hose->first_busno, - PCI_FUNC(hose->first_busno), bar, - 0x00000000); - early_read_config_dword(hose, hose->first_busno, - PCI_FUNC(hose->first_busno), bar, - &bar_response); - DBG("BUS %d, device %d, Function %d bar 0x%8.8x is 0x%8.8x\n", - hose->first_busno, PCI_SLOT(hose->first_busno), - PCI_FUNC(hose->first_busno), bar, bar_response); - } - /* end workaround */ -#endif -} - -void __init -ep405_map_io(void) -{ - bd_t *bip = &__res; - - ppc4xx_map_io(); - - ep405_bcsr = ioremap(EP405_BCSR_PADDR, EP405_BCSR_SIZE); - - if (bip->bi_nvramsize > 0) { - ep405_nvram = ioremap(EP405_NVRAM_PADDR, bip->bi_nvramsize); - } -} - -void __init -ep405_init_IRQ(void) -{ - int i; - - ppc4xx_init_IRQ(); - - /* Workaround for a bug in the firmware it incorrectly sets - the IRQ polarities for XIRQ0 and XIRQ1 */ - mtdcr(DCRN_UIC_PR(DCRN_UIC0_BASE), 0xffffff80); /* set the polarity */ - mtdcr(DCRN_UIC_SR(DCRN_UIC0_BASE), 0x00000060); /* clear bogus interrupts */ - - /* Activate the XIRQs from the CPLD */ - writeb(0xf0, ep405_bcsr+10); - - /* Set up IRQ routing */ - for (i = 0; i < ARRAY_SIZE(ep405_devtable); i++) { - if ( (ep405_devtable[i].irq >= 25) - && (ep405_devtable[i].irq) <= 31) { - writeb(ep405_devtable[i].cpld_xirq_select, ep405_bcsr+5); - writeb(ep405_devtable[i].irq - 25, ep405_bcsr+6); - } - } -} - -void __init -platform_init(unsigned long r3, unsigned long r4, unsigned long r5, - unsigned long r6, unsigned long r7) -{ - ppc4xx_init(r3, r4, r5, r6, r7); - - ppc_md.setup_arch = ep405_setup_arch; - ppc_md.setup_io_mappings = ep405_map_io; - ppc_md.init_IRQ = ep405_init_IRQ; - - ppc_md.nvram_read_val = todc_direct_read_val; - ppc_md.nvram_write_val = todc_direct_write_val; - - if (__res.bi_nvramsize == 512*1024) { - ppc_md.time_init = todc_time_init; - ppc_md.set_rtc_time = todc_set_rtc_time; - ppc_md.get_rtc_time = todc_get_rtc_time; - } else { - printk("EP405: NVRTC size is not 512k (not a DS1557). Not sure what to do with it\n"); - } -} |
