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-rw-r--r--arch/ppc/platforms/4xx/bamboo.c442
1 files changed, 0 insertions, 442 deletions
diff --git a/arch/ppc/platforms/4xx/bamboo.c b/arch/ppc/platforms/4xx/bamboo.c
deleted file mode 100644
index 01f20f4..0000000
--- a/arch/ppc/platforms/4xx/bamboo.c
+++ /dev/null
@@ -1,442 +0,0 @@
-/*
- * Bamboo board specific routines
- *
- * Wade Farnsworth <wfarnsworth@mvista.com>
- * Copyright 2004 MontaVista Software 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/types.h>
-#include <linux/major.h>
-#include <linux/blkdev.h>
-#include <linux/console.h>
-#include <linux/delay.h>
-#include <linux/initrd.h>
-#include <linux/seq_file.h>
-#include <linux/root_dev.h>
-#include <linux/tty.h>
-#include <linux/serial.h>
-#include <linux/serial_core.h>
-#include <linux/serial_8250.h>
-#include <linux/ethtool.h>
-
-#include <asm/system.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
-#include <asm/dma.h>
-#include <asm/io.h>
-#include <asm/machdep.h>
-#include <asm/ocp.h>
-#include <asm/pci-bridge.h>
-#include <asm/time.h>
-#include <asm/todc.h>
-#include <asm/bootinfo.h>
-#include <asm/ppc4xx_pic.h>
-#include <asm/ppcboot.h>
-
-#include <syslib/gen550.h>
-#include <syslib/ibm440gx_common.h>
-
-extern bd_t __res;
-
-static struct ibm44x_clocks clocks __initdata;
-
-/*
- * Bamboo external IRQ triggering/polarity settings
- */
-unsigned char ppc4xx_uic_ext_irq_cfg[] __initdata = {
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* IRQ0: Ethernet transceiver */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* IRQ1: Expansion connector */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* IRQ2: PCI slot 0 */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* IRQ3: PCI slot 1 */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* IRQ4: PCI slot 2 */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* IRQ5: PCI slot 3 */
- (IRQ_SENSE_EDGE | IRQ_POLARITY_NEGATIVE), /* IRQ6: SMI pushbutton */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* IRQ7: EXT */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* IRQ8: EXT */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* IRQ9: EXT */
-};
-
-static void __init
-bamboo_calibrate_decr(void)
-{
- unsigned int freq;
-
- if (mfspr(SPRN_CCR1) & CCR1_TCS)
- freq = BAMBOO_TMRCLK;
- else
- freq = clocks.cpu;
-
- ibm44x_calibrate_decr(freq);
-
-}
-
-static int
-bamboo_show_cpuinfo(struct seq_file *m)
-{
- seq_printf(m, "vendor\t\t: IBM\n");
- seq_printf(m, "machine\t\t: PPC440EP EVB (Bamboo)\n");
-
- return 0;
-}
-
-static inline int
-bamboo_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
-{
- static char pci_irq_table[][4] =
- /*
- * PCI IDSEL/INTPIN->INTLINE
- * A B C D
- */
- {
- { 28, 28, 28, 28 }, /* IDSEL 1 - PCI Slot 0 */
- { 27, 27, 27, 27 }, /* IDSEL 2 - PCI Slot 1 */
- { 26, 26, 26, 26 }, /* IDSEL 3 - PCI Slot 2 */
- { 25, 25, 25, 25 }, /* IDSEL 4 - PCI Slot 3 */
- };
-
- const long min_idsel = 1, max_idsel = 4, irqs_per_slot = 4;
- return PCI_IRQ_TABLE_LOOKUP;
-}
-
-static void __init bamboo_set_emacdata(void)
-{
- u8 * base_addr;
- struct ocp_def *def;
- struct ocp_func_emac_data *emacdata;
- u8 val;
- int mode;
- u32 excluded = 0;
-
- base_addr = ioremap64(BAMBOO_FPGA_SELECTION1_REG_ADDR, 16);
- val = readb(base_addr);
- iounmap((void *) base_addr);
- if (BAMBOO_SEL_MII(val))
- mode = PHY_MODE_MII;
- else if (BAMBOO_SEL_RMII(val))
- mode = PHY_MODE_RMII;
- else
- mode = PHY_MODE_SMII;
-
- /*
- * SW2 on the Bamboo is used for ethernet configuration and is accessed
- * via the CONFIG2 register in the FPGA. If the ANEG pin is set,
- * overwrite the supported features with the settings in SW2.
- *
- * This is used as a workaround for the improperly biased RJ-45 sockets
- * on the Rev. 0 Bamboo. By default only 10baseT is functional.
- * Removing inductors L17 and L18 from the board allows 100baseT, but
- * disables 10baseT. The Rev. 1 has no such limitations.
- */
-
- base_addr = ioremap64(BAMBOO_FPGA_CONFIG2_REG_ADDR, 8);
- val = readb(base_addr);
- iounmap((void *) base_addr);
- if (!BAMBOO_AUTONEGOTIATE(val)) {
- excluded |= SUPPORTED_Autoneg;
- if (BAMBOO_FORCE_100Mbps(val)) {
- excluded |= SUPPORTED_10baseT_Full;
- excluded |= SUPPORTED_10baseT_Half;
- if (BAMBOO_FULL_DUPLEX_EN(val))
- excluded |= SUPPORTED_100baseT_Half;
- else
- excluded |= SUPPORTED_100baseT_Full;
- } else {
- excluded |= SUPPORTED_100baseT_Full;
- excluded |= SUPPORTED_100baseT_Half;
- if (BAMBOO_FULL_DUPLEX_EN(val))
- excluded |= SUPPORTED_10baseT_Half;
- else
- excluded |= SUPPORTED_10baseT_Full;
- }
- }
-
- /* Set mac_addr, phy mode and unsupported phy features for each EMAC */
-
- def = ocp_get_one_device(OCP_VENDOR_IBM, OCP_FUNC_EMAC, 0);
- emacdata = def->additions;
- memcpy(emacdata->mac_addr, __res.bi_enetaddr, 6);
- emacdata->phy_mode = mode;
- emacdata->phy_feat_exc = excluded;
-
- def = ocp_get_one_device(OCP_VENDOR_IBM, OCP_FUNC_EMAC, 1);
- emacdata = def->additions;
- memcpy(emacdata->mac_addr, __res.bi_enet1addr, 6);
- emacdata->phy_mode = mode;
- emacdata->phy_feat_exc = excluded;
-}
-
-static int
-bamboo_exclude_device(unsigned char bus, unsigned char devfn)
-{
- return (bus == 0 && devfn == 0);
-}
-
-#define PCI_READW(offset) \
- (readw((void *)((u32)pci_reg_base+offset)))
-
-#define PCI_WRITEW(value, offset) \
- (writew(value, (void *)((u32)pci_reg_base+offset)))
-
-#define PCI_WRITEL(value, offset) \
- (writel(value, (void *)((u32)pci_reg_base+offset)))
-
-static void __init
-bamboo_setup_pci(void)
-{
- void *pci_reg_base;
- unsigned long memory_size;
- memory_size = ppc_md.find_end_of_memory();
-
- pci_reg_base = ioremap64(BAMBOO_PCIL0_BASE, BAMBOO_PCIL0_SIZE);
-
- /* Enable PCI I/O, Mem, and Busmaster cycles */
- PCI_WRITEW(PCI_READW(PCI_COMMAND) |
- PCI_COMMAND_MEMORY |
- PCI_COMMAND_MASTER, PCI_COMMAND);
-
- /* Disable region first */
- PCI_WRITEL(0, BAMBOO_PCIL0_PMM0MA);
-
- /* PLB starting addr: 0x00000000A0000000 */
- PCI_WRITEL(BAMBOO_PCI_PHY_MEM_BASE, BAMBOO_PCIL0_PMM0LA);
-
- /* PCI start addr, 0xA0000000 (PCI Address) */
- PCI_WRITEL(BAMBOO_PCI_MEM_BASE, BAMBOO_PCIL0_PMM0PCILA);
- PCI_WRITEL(0, BAMBOO_PCIL0_PMM0PCIHA);
-
- /* Enable no pre-fetch, enable region */
- PCI_WRITEL(((0xffffffff -
- (BAMBOO_PCI_UPPER_MEM - BAMBOO_PCI_MEM_BASE)) | 0x01),
- BAMBOO_PCIL0_PMM0MA);
-
- /* Disable region one */
- PCI_WRITEL(0, BAMBOO_PCIL0_PMM1MA);
- PCI_WRITEL(0, BAMBOO_PCIL0_PMM1LA);
- PCI_WRITEL(0, BAMBOO_PCIL0_PMM1PCILA);
- PCI_WRITEL(0, BAMBOO_PCIL0_PMM1PCIHA);
- PCI_WRITEL(0, BAMBOO_PCIL0_PMM1MA);
-
- /* Disable region two */
- PCI_WRITEL(0, BAMBOO_PCIL0_PMM2MA);
- PCI_WRITEL(0, BAMBOO_PCIL0_PMM2LA);
- PCI_WRITEL(0, BAMBOO_PCIL0_PMM2PCILA);
- PCI_WRITEL(0, BAMBOO_PCIL0_PMM2PCIHA);
- PCI_WRITEL(0, BAMBOO_PCIL0_PMM2MA);
-
- /* Now configure the PCI->PLB windows, we only use PTM1
- *
- * For Inbound flow, set the window size to all available memory
- * This is required because if size is smaller,
- * then Eth/PCI DD would fail as PCI card not able to access
- * the memory allocated by DD.
- */
-
- PCI_WRITEL(0, BAMBOO_PCIL0_PTM1MS); /* disabled region 1 */
- PCI_WRITEL(0, BAMBOO_PCIL0_PTM1LA); /* begin of address map */
-
- memory_size = 1 << fls(memory_size - 1);
-
- /* Size low + Enabled */
- PCI_WRITEL((0xffffffff - (memory_size - 1)) | 0x1, BAMBOO_PCIL0_PTM1MS);
-
- eieio();
- iounmap(pci_reg_base);
-}
-
-static void __init
-bamboo_setup_hose(void)
-{
- unsigned int bar_response, bar;
- struct pci_controller *hose;
-
- bamboo_setup_pci();
-
- hose = pcibios_alloc_controller();
-
- if (!hose)
- return;
-
- hose->first_busno = 0;
- hose->last_busno = 0xff;
-
- hose->pci_mem_offset = BAMBOO_PCI_MEM_OFFSET;
-
- pci_init_resource(&hose->io_resource,
- BAMBOO_PCI_LOWER_IO,
- BAMBOO_PCI_UPPER_IO,
- IORESOURCE_IO,
- "PCI host bridge");
-
- pci_init_resource(&hose->mem_resources[0],
- BAMBOO_PCI_LOWER_MEM,
- BAMBOO_PCI_UPPER_MEM,
- IORESOURCE_MEM,
- "PCI host bridge");
-
- ppc_md.pci_exclude_device = bamboo_exclude_device;
-
- hose->io_space.start = BAMBOO_PCI_LOWER_IO;
- hose->io_space.end = BAMBOO_PCI_UPPER_IO;
- hose->mem_space.start = BAMBOO_PCI_LOWER_MEM;
- hose->mem_space.end = BAMBOO_PCI_UPPER_MEM;
- isa_io_base =
- (unsigned long)ioremap64(BAMBOO_PCI_IO_BASE, BAMBOO_PCI_IO_SIZE);
- hose->io_base_virt = (void *)isa_io_base;
-
- setup_indirect_pci(hose,
- BAMBOO_PCI_CFGA_PLB32,
- BAMBOO_PCI_CFGD_PLB32);
- hose->set_cfg_type = 1;
-
- /* 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);
- }
-
- hose->last_busno = pciauto_bus_scan(hose, hose->first_busno);
-
- ppc_md.pci_swizzle = common_swizzle;
- ppc_md.pci_map_irq = bamboo_map_irq;
-}
-
-TODC_ALLOC();
-
-static void __init
-bamboo_early_serial_map(void)
-{
- struct uart_port port;
-
- /* Setup ioremapped serial port access */
- memset(&port, 0, sizeof(port));
- port.membase = ioremap64(PPC440EP_UART0_ADDR, 8);
- port.irq = 0;
- port.uartclk = clocks.uart0;
- port.regshift = 0;
- port.iotype = UPIO_MEM;
- port.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST;
- port.line = 0;
-
- if (early_serial_setup(&port) != 0) {
- printk("Early serial init of port 0 failed\n");
- }
-
-#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB)
- /* Configure debug serial access */
- gen550_init(0, &port);
-#endif
-
- port.membase = ioremap64(PPC440EP_UART1_ADDR, 8);
- port.irq = 1;
- port.uartclk = clocks.uart1;
- port.line = 1;
-
- if (early_serial_setup(&port) != 0) {
- printk("Early serial init of port 1 failed\n");
- }
-
-#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB)
- /* Configure debug serial access */
- gen550_init(1, &port);
-#endif
-
- port.membase = ioremap64(PPC440EP_UART2_ADDR, 8);
- port.irq = 3;
- port.uartclk = clocks.uart2;
- port.line = 2;
-
- if (early_serial_setup(&port) != 0) {
- printk("Early serial init of port 2 failed\n");
- }
-
-#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB)
- /* Configure debug serial access */
- gen550_init(2, &port);
-#endif
-
- port.membase = ioremap64(PPC440EP_UART3_ADDR, 8);
- port.irq = 4;
- port.uartclk = clocks.uart3;
- port.line = 3;
-
- if (early_serial_setup(&port) != 0) {
- printk("Early serial init of port 3 failed\n");
- }
-}
-
-static void __init
-bamboo_setup_arch(void)
-{
-
- bamboo_set_emacdata();
-
- ibm440gx_get_clocks(&clocks, 33333333, 6 * 1843200);
- ocp_sys_info.opb_bus_freq = clocks.opb;
-
- /* Setup TODC access */
- TODC_INIT(TODC_TYPE_DS1743,
- 0,
- 0,
- ioremap64(BAMBOO_RTC_ADDR, BAMBOO_RTC_SIZE),
- 8);
-
- /* init to some ~sane value until calibrate_delay() runs */
- loops_per_jiffy = 50000000/HZ;
-
- /* Setup PCI host bridge */
- bamboo_setup_hose();
-
-#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
-
- bamboo_early_serial_map();
-
- /* Identify the system */
- printk("IBM Bamboo port (MontaVista Software, Inc. (source@mvista.com))\n");
-}
-
-void __init platform_init(unsigned long r3, unsigned long r4,
- unsigned long r5, unsigned long r6, unsigned long r7)
-{
- ibm44x_platform_init(r3, r4, r5, r6, r7);
-
- ppc_md.setup_arch = bamboo_setup_arch;
- ppc_md.show_cpuinfo = bamboo_show_cpuinfo;
- ppc_md.get_irq = NULL; /* Set in ppc4xx_pic_init() */
-
- ppc_md.calibrate_decr = bamboo_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;
-#ifdef CONFIG_KGDB
- ppc_md.early_serial_map = bamboo_early_serial_map;
-#endif
-}
-
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