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Diffstat (limited to 'arch/ppc/platforms/85xx/mpc85xx_cds_common.c')
-rw-r--r--arch/ppc/platforms/85xx/mpc85xx_cds_common.c601
1 files changed, 0 insertions, 601 deletions
diff --git a/arch/ppc/platforms/85xx/mpc85xx_cds_common.c b/arch/ppc/platforms/85xx/mpc85xx_cds_common.c
deleted file mode 100644
index 2d59eb776c95..000000000000
--- a/arch/ppc/platforms/85xx/mpc85xx_cds_common.c
+++ /dev/null
@@ -1,601 +0,0 @@
-/*
- * MPC85xx CDS board specific routines
- *
- * Maintainer: Kumar Gala <galak@kernel.crashing.org>
- *
- * Copyright 2004 Freescale Semiconductor, Inc
- *
- * 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.
- */
-
-#include <linux/stddef.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/errno.h>
-#include <linux/reboot.h>
-#include <linux/pci.h>
-#include <linux/kdev_t.h>
-#include <linux/major.h>
-#include <linux/console.h>
-#include <linux/delay.h>
-#include <linux/seq_file.h>
-#include <linux/serial.h>
-#include <linux/module.h>
-#include <linux/root_dev.h>
-#include <linux/initrd.h>
-#include <linux/tty.h>
-#include <linux/serial_core.h>
-#include <linux/fsl_devices.h>
-
-#include <asm/system.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
-#include <asm/atomic.h>
-#include <asm/time.h>
-#include <asm/todc.h>
-#include <asm/io.h>
-#include <asm/machdep.h>
-#include <asm/open_pic.h>
-#include <asm/i8259.h>
-#include <asm/bootinfo.h>
-#include <asm/pci-bridge.h>
-#include <asm/mpc85xx.h>
-#include <asm/irq.h>
-#include <asm/immap_85xx.h>
-#include <asm/cpm2.h>
-#include <asm/ppc_sys.h>
-#include <asm/kgdb.h>
-
-#include <mm/mmu_decl.h>
-#include <syslib/cpm2_pic.h>
-#include <syslib/ppc85xx_common.h>
-#include <syslib/ppc85xx_setup.h>
-
-
-#ifndef CONFIG_PCI
-unsigned long isa_io_base = 0;
-unsigned long isa_mem_base = 0;
-#endif
-
-extern unsigned long total_memory; /* in mm/init */
-
-unsigned char __res[sizeof (bd_t)];
-
-static int cds_pci_slot = 2;
-static volatile u8 * cadmus;
-
-/* Internal interrupts are all Level Sensitive, and Positive Polarity */
-static u_char mpc85xx_cds_openpic_initsenses[] __initdata = {
- MPC85XX_INTERNAL_IRQ_SENSES,
-#if defined(CONFIG_PCI)
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* External 0: PCI1 slot */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* External 1: PCI1 slot */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* External 2: PCI1 slot */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* External 3: PCI1 slot */
-#else
- 0x0, /* External 0: */
- 0x0, /* External 1: */
- 0x0, /* External 2: */
- 0x0, /* External 3: */
-#endif
- 0x0, /* External 4: */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* External 5: PHY */
- 0x0, /* External 6: */
- 0x0, /* External 7: */
- 0x0, /* External 8: */
- 0x0, /* External 9: */
- 0x0, /* External 10: */
-#if defined(CONFIG_85xx_PCI2) && defined(CONFIG_PCI)
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* External 11: PCI2 slot 0 */
-#else
- 0x0, /* External 11: */
-#endif
-};
-
-/* ************************************************************************ */
-int
-mpc85xx_cds_show_cpuinfo(struct seq_file *m)
-{
- uint pvid, svid, phid1;
- uint memsize = total_memory;
- bd_t *binfo = (bd_t *) __res;
- unsigned int freq;
-
- /* get the core frequency */
- freq = binfo->bi_intfreq;
-
- pvid = mfspr(SPRN_PVR);
- svid = mfspr(SPRN_SVR);
-
- seq_printf(m, "Vendor\t\t: Freescale Semiconductor\n");
- seq_printf(m, "Machine\t\t: CDS - MPC%s (%x)\n", cur_ppc_sys_spec->ppc_sys_name, cadmus[CM_VER]);
- seq_printf(m, "clock\t\t: %dMHz\n", freq / 1000000);
- seq_printf(m, "PVR\t\t: 0x%x\n", pvid);
- seq_printf(m, "SVR\t\t: 0x%x\n", svid);
-
- /* Display cpu Pll setting */
- phid1 = mfspr(SPRN_HID1);
- seq_printf(m, "PLL setting\t: 0x%x\n", ((phid1 >> 24) & 0x3f));
-
- /* Display the amount of memory */
- seq_printf(m, "Memory\t\t: %d MB\n", memsize / (1024 * 1024));
-
- return 0;
-}
-
-#ifdef CONFIG_CPM2
-static irqreturn_t cpm2_cascade(int irq, void *dev_id)
-{
- while((irq = cpm2_get_irq()) >= 0)
- __do_IRQ(irq);
- return IRQ_HANDLED;
-}
-
-static struct irqaction cpm2_irqaction = {
- .handler = cpm2_cascade,
- .flags = IRQF_DISABLED,
- .mask = CPU_MASK_NONE,
- .name = "cpm2_cascade",
-};
-#endif /* CONFIG_CPM2 */
-
-void __init
-mpc85xx_cds_init_IRQ(void)
-{
- bd_t *binfo = (bd_t *) __res;
- int i;
-
- /* Determine the Physical Address of the OpenPIC regs */
- phys_addr_t OpenPIC_PAddr = binfo->bi_immr_base + MPC85xx_OPENPIC_OFFSET;
- OpenPIC_Addr = ioremap(OpenPIC_PAddr, MPC85xx_OPENPIC_SIZE);
- OpenPIC_InitSenses = mpc85xx_cds_openpic_initsenses;
- OpenPIC_NumInitSenses = sizeof (mpc85xx_cds_openpic_initsenses);
-
- /* Skip reserved space and internal sources */
-#ifdef CONFIG_MPC8548
- openpic_set_sources(0, 48, OpenPIC_Addr + 0x10200);
-#else
- openpic_set_sources(0, 32, OpenPIC_Addr + 0x10200);
-#endif
- /* Map PIC IRQs 0-11 */
- openpic_set_sources(48, 12, OpenPIC_Addr + 0x10000);
-
- /* we let openpic interrupts starting from an offset, to
- * leave space for cascading interrupts underneath.
- */
- openpic_init(MPC85xx_OPENPIC_IRQ_OFFSET);
-
-#ifdef CONFIG_PCI
- openpic_hookup_cascade(PIRQ0A, "82c59 cascade", i8259_irq);
-
- i8259_init(0, 0);
-#endif
-
-#ifdef CONFIG_CPM2
- /* Setup CPM2 PIC */
- cpm2_init_IRQ();
-
- setup_irq(MPC85xx_IRQ_CPM, &cpm2_irqaction);
-#endif
-
- return;
-}
-
-#ifdef CONFIG_PCI
-/*
- * interrupt routing
- */
-int
-mpc85xx_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
-{
- struct pci_controller *hose = pci_bus_to_hose(dev->bus->number);
-
- if (!hose->index)
- {
- /* Handle PCI1 interrupts */
- char pci_irq_table[][4] =
- /*
- * PCI IDSEL/INTPIN->INTLINE
- * A B C D
- */
-
- /* Note IRQ assignment for slots is based on which slot the elysium is
- * in -- in this setup elysium is in slot #2 (this PIRQA as first
- * interrupt on slot */
- {
- { 0, 1, 2, 3 }, /* 16 - PMC */
- { 0, 1, 2, 3 }, /* 17 P2P (Tsi320) */
- { 0, 1, 2, 3 }, /* 18 - Slot 1 */
- { 1, 2, 3, 0 }, /* 19 - Slot 2 */
- { 2, 3, 0, 1 }, /* 20 - Slot 3 */
- { 3, 0, 1, 2 }, /* 21 - Slot 4 */
- };
-
- const long min_idsel = 16, max_idsel = 21, irqs_per_slot = 4;
- int i, j;
-
- for (i = 0; i < 6; i++)
- for (j = 0; j < 4; j++)
- pci_irq_table[i][j] =
- ((pci_irq_table[i][j] + 5 -
- cds_pci_slot) & 0x3) + PIRQ0A;
-
- return PCI_IRQ_TABLE_LOOKUP;
- } else {
- /* Handle PCI2 interrupts (if we have one) */
- char pci_irq_table[][4] =
- {
- /*
- * We only have one slot and one interrupt
- * going to PIRQA - PIRQD */
- { PIRQ1A, PIRQ1A, PIRQ1A, PIRQ1A }, /* 21 - slot 0 */
- };
-
- const long min_idsel = 21, max_idsel = 21, irqs_per_slot = 4;
-
- return PCI_IRQ_TABLE_LOOKUP;
- }
-}
-
-#define ARCADIA_HOST_BRIDGE_IDSEL 17
-#define ARCADIA_2ND_BRIDGE_IDSEL 3
-
-extern int mpc85xx_pci1_last_busno;
-
-int
-mpc85xx_exclude_device(u_char bus, u_char devfn)
-{
- if (bus == 0 && PCI_SLOT(devfn) == 0)
- return PCIBIOS_DEVICE_NOT_FOUND;
-#ifdef CONFIG_85xx_PCI2
- if (mpc85xx_pci1_last_busno)
- if (bus == (mpc85xx_pci1_last_busno + 1) && PCI_SLOT(devfn) == 0)
- return PCIBIOS_DEVICE_NOT_FOUND;
-#endif
- /* We explicitly do not go past the Tundra 320 Bridge */
- if ((bus == 1) && (PCI_SLOT(devfn) == ARCADIA_2ND_BRIDGE_IDSEL))
- return PCIBIOS_DEVICE_NOT_FOUND;
- if ((bus == 0) && (PCI_SLOT(devfn) == ARCADIA_2ND_BRIDGE_IDSEL))
- return PCIBIOS_DEVICE_NOT_FOUND;
- else
- return PCIBIOS_SUCCESSFUL;
-}
-
-void __init
-mpc85xx_cds_enable_via(struct pci_controller *hose)
-{
- u32 pci_class;
- u16 vid, did;
-
- early_read_config_dword(hose, 0, 0x88, PCI_CLASS_REVISION, &pci_class);
- if ((pci_class >> 16) != PCI_CLASS_BRIDGE_PCI)
- return;
-
- /* Configure P2P so that we can reach bus 1 */
- early_write_config_byte(hose, 0, 0x88, PCI_PRIMARY_BUS, 0);
- early_write_config_byte(hose, 0, 0x88, PCI_SECONDARY_BUS, 1);
- early_write_config_byte(hose, 0, 0x88, PCI_SUBORDINATE_BUS, 0xff);
-
- early_read_config_word(hose, 1, 0x10, PCI_VENDOR_ID, &vid);
- early_read_config_word(hose, 1, 0x10, PCI_DEVICE_ID, &did);
-
- if ((vid != PCI_VENDOR_ID_VIA) ||
- (did != PCI_DEVICE_ID_VIA_82C686))
- return;
-
- /* Enable USB and IDE functions */
- early_write_config_byte(hose, 1, 0x10, 0x48, 0x08);
-}
-
-void __init
-mpc85xx_cds_fixup_via(struct pci_controller *hose)
-{
- u32 pci_class;
- u16 vid, did;
-
- early_read_config_dword(hose, 0, 0x88, PCI_CLASS_REVISION, &pci_class);
- if ((pci_class >> 16) != PCI_CLASS_BRIDGE_PCI)
- return;
-
- /*
- * Force the backplane P2P bridge to have a window
- * open from 0x00000000-0x00001fff in PCI I/O space.
- * This allows legacy I/O (i8259, etc) on the VIA
- * southbridge to be accessed.
- */
- early_write_config_byte(hose, 0, 0x88, PCI_IO_BASE, 0x00);
- early_write_config_word(hose, 0, 0x88, PCI_IO_BASE_UPPER16, 0x0000);
- early_write_config_byte(hose, 0, 0x88, PCI_IO_LIMIT, 0x10);
- early_write_config_word(hose, 0, 0x88, PCI_IO_LIMIT_UPPER16, 0x0000);
-
- early_read_config_word(hose, 1, 0x10, PCI_VENDOR_ID, &vid);
- early_read_config_word(hose, 1, 0x10, PCI_DEVICE_ID, &did);
- if ((vid != PCI_VENDOR_ID_VIA) ||
- (did != PCI_DEVICE_ID_VIA_82C686))
- return;
-
- /*
- * Since the P2P window was forced to cover the fixed
- * legacy I/O addresses, it is necessary to manually
- * place the base addresses for the IDE and USB functions
- * within this window.
- */
- /* Function 1, IDE */
- early_write_config_dword(hose, 1, 0x11, PCI_BASE_ADDRESS_0, 0x1ff8);
- early_write_config_dword(hose, 1, 0x11, PCI_BASE_ADDRESS_1, 0x1ff4);
- early_write_config_dword(hose, 1, 0x11, PCI_BASE_ADDRESS_2, 0x1fe8);
- early_write_config_dword(hose, 1, 0x11, PCI_BASE_ADDRESS_3, 0x1fe4);
- early_write_config_dword(hose, 1, 0x11, PCI_BASE_ADDRESS_4, 0x1fd0);
-
- /* Function 2, USB ports 0-1 */
- early_write_config_dword(hose, 1, 0x12, PCI_BASE_ADDRESS_4, 0x1fa0);
-
- /* Function 3, USB ports 2-3 */
- early_write_config_dword(hose, 1, 0x13, PCI_BASE_ADDRESS_4, 0x1f80);
-
- /* Function 5, Power Management */
- early_write_config_dword(hose, 1, 0x15, PCI_BASE_ADDRESS_0, 0x1e00);
- early_write_config_dword(hose, 1, 0x15, PCI_BASE_ADDRESS_1, 0x1dfc);
- early_write_config_dword(hose, 1, 0x15, PCI_BASE_ADDRESS_2, 0x1df8);
-
- /* Function 6, AC97 Interface */
- early_write_config_dword(hose, 1, 0x16, PCI_BASE_ADDRESS_0, 0x1c00);
-}
-
-void __init
-mpc85xx_cds_pcibios_fixup(void)
-{
- struct pci_dev *dev;
- u_char c;
-
- if ((dev = pci_get_device(PCI_VENDOR_ID_VIA,
- PCI_DEVICE_ID_VIA_82C586_1, NULL))) {
- /*
- * U-Boot does not set the enable bits
- * for the IDE device. Force them on here.
- */
- pci_read_config_byte(dev, 0x40, &c);
- c |= 0x03; /* IDE: Chip Enable Bits */
- pci_write_config_byte(dev, 0x40, c);
-
- /*
- * Since only primary interface works, force the
- * IDE function to standard primary IDE interrupt
- * w/ 8259 offset
- */
- dev->irq = 14;
- pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq);
- pci_dev_put(dev);
- }
-
- /*
- * Force legacy USB interrupt routing
- */
- if ((dev = pci_get_device(PCI_VENDOR_ID_VIA,
- PCI_DEVICE_ID_VIA_82C586_2, NULL))) {
- dev->irq = 10;
- pci_write_config_byte(dev, PCI_INTERRUPT_LINE, 10);
-
- if ((dev = pci_get_device(PCI_VENDOR_ID_VIA,
- PCI_DEVICE_ID_VIA_82C586_2, dev))) {
- dev->irq = 11;
- pci_write_config_byte(dev, PCI_INTERRUPT_LINE, 11);
- }
- pci_dev_put(dev);
- }
-}
-#endif /* CONFIG_PCI */
-
-TODC_ALLOC();
-
-/* ************************************************************************
- *
- * Setup the architecture
- *
- */
-static void __init
-mpc85xx_cds_setup_arch(void)
-{
- bd_t *binfo = (bd_t *) __res;
- unsigned int freq;
- struct gianfar_platform_data *pdata;
- struct gianfar_mdio_data *mdata;
-
- /* get the core frequency */
- freq = binfo->bi_intfreq;
-
- printk("mpc85xx_cds_setup_arch\n");
-
-#ifdef CONFIG_CPM2
- cpm2_reset();
-#endif
-
- cadmus = ioremap(CADMUS_BASE, CADMUS_SIZE);
- cds_pci_slot = ((cadmus[CM_CSR] >> 6) & 0x3) + 1;
- printk("CDS Version = %x in PCI slot %d\n", cadmus[CM_VER], cds_pci_slot);
-
- /* Setup TODC access */
- TODC_INIT(TODC_TYPE_DS1743,
- 0,
- 0,
- ioremap(CDS_RTC_ADDR, CDS_RTC_SIZE),
- 8);
-
- /* Set loops_per_jiffy to a half-way reasonable value,
- for use until calibrate_delay gets called. */
- loops_per_jiffy = freq / HZ;
-
-#ifdef CONFIG_PCI
- /* VIA IDE configuration */
- ppc_md.pcibios_fixup = mpc85xx_cds_pcibios_fixup;
-
- /* setup PCI host bridges */
- mpc85xx_setup_hose();
-#endif
-
-#ifdef CONFIG_SERIAL_8250
- mpc85xx_early_serial_map();
-#endif
-
-#ifdef CONFIG_SERIAL_TEXT_DEBUG
- /* Invalidate the entry we stole earlier the serial ports
- * should be properly mapped */
- invalidate_tlbcam_entry(num_tlbcam_entries - 1);
-#endif
-
- /* setup the board related info for the MDIO bus */
- mdata = (struct gianfar_mdio_data *) ppc_sys_get_pdata(MPC85xx_MDIO);
-
- mdata->irq[0] = MPC85xx_IRQ_EXT5;
- mdata->irq[1] = MPC85xx_IRQ_EXT5;
- mdata->irq[2] = PHY_POLL;
- mdata->irq[3] = PHY_POLL;
- mdata->irq[31] = PHY_POLL;
-
- /* setup the board related information for the enet controllers */
- pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_TSEC1);
- if (pdata) {
- pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR;
- pdata->bus_id = 0;
- pdata->phy_id = 0;
- memcpy(pdata->mac_addr, binfo->bi_enetaddr, 6);
- }
-
- pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_TSEC2);
- if (pdata) {
- pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR;
- pdata->bus_id = 0;
- pdata->phy_id = 1;
- memcpy(pdata->mac_addr, binfo->bi_enet1addr, 6);
- }
-
- pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_eTSEC1);
- if (pdata) {
- pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR;
- pdata->bus_id = 0;
- pdata->phy_id = 0;
- memcpy(pdata->mac_addr, binfo->bi_enetaddr, 6);
- }
-
- pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_eTSEC2);
- if (pdata) {
- pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR;
- pdata->bus_id = 0;
- pdata->phy_id = 1;
- memcpy(pdata->mac_addr, binfo->bi_enet1addr, 6);
- }
-
- ppc_sys_device_remove(MPC85xx_eTSEC3);
- ppc_sys_device_remove(MPC85xx_eTSEC4);
-
-#ifdef CONFIG_BLK_DEV_INITRD
- if (initrd_start)
- ROOT_DEV = Root_RAM0;
- else
-#endif
-#ifdef CONFIG_ROOT_NFS
- ROOT_DEV = Root_NFS;
-#else
- ROOT_DEV = Root_HDA1;
-#endif
-}
-
-/* ************************************************************************ */
-void __init
-platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
- unsigned long r6, unsigned long r7)
-{
- /* parse_bootinfo must always be called first */
- parse_bootinfo(find_bootinfo());
-
- /*
- * If we were passed in a board information, copy it into the
- * residual data area.
- */
- if (r3) {
- memcpy((void *) __res, (void *) (r3 + KERNELBASE),
- sizeof (bd_t));
-
- }
-#ifdef CONFIG_SERIAL_TEXT_DEBUG
- {
- bd_t *binfo = (bd_t *) __res;
- struct uart_port p;
-
- /* Use the last TLB entry to map CCSRBAR to allow access to DUART regs */
- settlbcam(num_tlbcam_entries - 1, binfo->bi_immr_base,
- binfo->bi_immr_base, MPC85xx_CCSRBAR_SIZE, _PAGE_IO, 0);
-
- memset(&p, 0, sizeof (p));
- p.iotype = UPIO_MEM;
- p.membase = (void *) binfo->bi_immr_base + MPC85xx_UART0_OFFSET;
- p.uartclk = binfo->bi_busfreq;
-
- gen550_init(0, &p);
-
- memset(&p, 0, sizeof (p));
- p.iotype = UPIO_MEM;
- p.membase = (void *) binfo->bi_immr_base + MPC85xx_UART1_OFFSET;
- p.uartclk = binfo->bi_busfreq;
-
- gen550_init(1, &p);
- }
-#endif
-
-#if defined(CONFIG_BLK_DEV_INITRD)
- /*
- * If the init RAM disk has been configured in, and there's a valid
- * starting address for it, set it up.
- */
- if (r4) {
- initrd_start = r4 + KERNELBASE;
- initrd_end = r5 + KERNELBASE;
- }
-#endif /* CONFIG_BLK_DEV_INITRD */
-
- /* Copy the kernel command line arguments to a safe place. */
-
- if (r6) {
- *(char *) (r7 + KERNELBASE) = 0;
- strcpy(cmd_line, (char *) (r6 + KERNELBASE));
- }
-
- identify_ppc_sys_by_id(mfspr(SPRN_SVR));
-
- /* setup the PowerPC module struct */
- ppc_md.setup_arch = mpc85xx_cds_setup_arch;
- ppc_md.show_cpuinfo = mpc85xx_cds_show_cpuinfo;
-
- ppc_md.init_IRQ = mpc85xx_cds_init_IRQ;
- ppc_md.get_irq = openpic_get_irq;
-
- ppc_md.restart = mpc85xx_restart;
- ppc_md.power_off = mpc85xx_power_off;
- ppc_md.halt = mpc85xx_halt;
-
- ppc_md.find_end_of_memory = mpc85xx_find_end_of_memory;
-
- ppc_md.calibrate_decr = mpc85xx_calibrate_decr;
-
- 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;
-
- ppc_md.nvram_read_val = todc_direct_read_val;
- ppc_md.nvram_write_val = todc_direct_write_val;
-
-#if defined(CONFIG_SERIAL_8250) && defined(CONFIG_SERIAL_TEXT_DEBUG)
- ppc_md.progress = gen550_progress;
-#endif /* CONFIG_SERIAL_8250 && CONFIG_SERIAL_TEXT_DEBUG */
-#if defined(CONFIG_SERIAL_8250) && defined(CONFIG_KGDB)
- ppc_md.early_serial_map = mpc85xx_early_serial_map;
-#endif /* CONFIG_SERIAL_8250 && CONFIG_KGDB */
-
- if (ppc_md.progress)
- ppc_md.progress("mpc85xx_cds_init(): exit", 0);
-
- return;
-}
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