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Diffstat (limited to 'arch/ppc/platforms/4xx/taishan.c')
-rw-r--r--arch/ppc/platforms/4xx/taishan.c395
1 files changed, 0 insertions, 395 deletions
diff --git a/arch/ppc/platforms/4xx/taishan.c b/arch/ppc/platforms/4xx/taishan.c
deleted file mode 100644
index 11569427508..00000000000
--- a/arch/ppc/platforms/4xx/taishan.c
+++ /dev/null
@@ -1,395 +0,0 @@
-/*
- * arch/ppc/platforms/4xx/taishan.c
- *
- * AMCC Taishan board specific routines
- *
- * Copyright 2007 DENX Software Engineering, Stefan Roese <sr@denx.de>
- *
- * 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/platform_device.h>
-#include <linux/mtd/partitions.h>
-#include <linux/mtd/nand.h>
-#include <linux/mtd/ndfc.h>
-#include <linux/mtd/physmap.h>
-
-#include <asm/machdep.h>
-#include <asm/ocp.h>
-#include <asm/bootinfo.h>
-#include <asm/ppcboot.h>
-
-#include <syslib/gen550.h>
-#include <syslib/ibm440gx_common.h>
-
-extern bd_t __res;
-
-static struct ibm44x_clocks clocks __initdata;
-
-/*
- * NOR FLASH configuration (using mtd physmap driver)
- */
-
-/* start will be added dynamically, end is always fixed */
-static struct resource taishan_nor_resource = {
- .start = TAISHAN_FLASH_ADDR,
- .end = 0x1ffffffffULL,
- .flags = IORESOURCE_MEM,
-};
-
-#define RW_PART0_OF 0
-#define RW_PART0_SZ 0x180000
-#define RW_PART1_SZ 0x200000
-/* Partition 2 will be autosized dynamically... */
-#define RW_PART3_SZ 0x80000
-#define RW_PART4_SZ 0x40000
-
-static struct mtd_partition taishan_nor_parts[] = {
- {
- .name = "kernel",
- .offset = 0,
- .size = RW_PART0_SZ
- },
- {
- .name = "root",
- .offset = MTDPART_OFS_APPEND,
- .size = RW_PART1_SZ,
- },
- {
- .name = "user",
- .offset = MTDPART_OFS_APPEND,
-/* .size = RW_PART2_SZ */ /* will be adjusted dynamically */
- },
- {
- .name = "env",
- .offset = MTDPART_OFS_APPEND,
- .size = RW_PART3_SZ,
- },
- {
- .name = "u-boot",
- .offset = MTDPART_OFS_APPEND,
- .size = RW_PART4_SZ,
- }
-};
-
-static struct physmap_flash_data taishan_nor_data = {
- .width = 4,
- .parts = taishan_nor_parts,
- .nr_parts = ARRAY_SIZE(taishan_nor_parts),
-};
-
-static struct platform_device taishan_nor_device = {
- .name = "physmap-flash",
- .id = 0,
- .dev = {
- .platform_data = &taishan_nor_data,
- },
- .num_resources = 1,
- .resource = &taishan_nor_resource,
-};
-
-static int taishan_setup_flash(void)
-{
- /*
- * Adjust partition 2 to flash size
- */
- taishan_nor_parts[2].size = __res.bi_flashsize -
- RW_PART0_SZ - RW_PART1_SZ - RW_PART3_SZ - RW_PART4_SZ;
-
- platform_device_register(&taishan_nor_device);
-
- return 0;
-}
-arch_initcall(taishan_setup_flash);
-
-static void __init
-taishan_calibrate_decr(void)
-{
- unsigned int freq;
-
- if (mfspr(SPRN_CCR1) & CCR1_TCS)
- freq = TAISHAN_TMR_CLK;
- else
- freq = clocks.cpu;
-
- ibm44x_calibrate_decr(freq);
-}
-
-static int
-taishan_show_cpuinfo(struct seq_file *m)
-{
- seq_printf(m, "vendor\t\t: AMCC\n");
- seq_printf(m, "machine\t\t: PPC440GX EVB (Taishan)\n");
- ibm440gx_show_cpuinfo(m);
- return 0;
-}
-
-static inline int
-taishan_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
- */
- {
- { 23, 24, 25, 26 }, /* IDSEL 1 - PCI Slot 0 */
- { 24, 25, 26, 23 }, /* IDSEL 2 - PCI Slot 1 */
- };
-
- const long min_idsel = 1, max_idsel = 2, irqs_per_slot = 4;
- return PCI_IRQ_TABLE_LOOKUP;
-}
-
-static void __init taishan_set_emacdata(void)
-{
- struct ocp_def *def;
- struct ocp_func_emac_data *emacdata;
- int i;
-
- /* Set phy_map, phy_mode, and mac_addr for each EMAC */
- for (i=2; i<4; i++) {
- def = ocp_get_one_device(OCP_VENDOR_IBM, OCP_FUNC_EMAC, i);
- emacdata = def->additions;
- if (i < 2) {
- emacdata->phy_map = 0x00000001; /* Skip 0x00 */
- emacdata->phy_mode = PHY_MODE_SMII;
- } else {
- emacdata->phy_map = 0x00000001; /* Skip 0x00 */
- emacdata->phy_mode = PHY_MODE_RGMII;
- }
- if (i == 0)
- memcpy(emacdata->mac_addr, "\0\0\0\0\0\0", 6);
- else if (i == 1)
- memcpy(emacdata->mac_addr, "\0\0\0\0\0\0", 6);
- else if (i == 2)
- memcpy(emacdata->mac_addr, __res.bi_enetaddr, 6);
- else if (i == 3)
- memcpy(emacdata->mac_addr, __res.bi_enet1addr, 6);
- }
-}
-
-#define PCIX_READW(offset) \
- (readw(pcix_reg_base+offset))
-
-#define PCIX_WRITEW(value, offset) \
- (writew(value, pcix_reg_base+offset))
-
-#define PCIX_WRITEL(value, offset) \
- (writel(value, pcix_reg_base+offset))
-
-/*
- * FIXME: This is only here to "make it work". This will move
- * to a ibm_pcix.c which will contain a generic IBM PCIX bridge
- * configuration library. -Matt
- */
-static void __init
-taishan_setup_pcix(void)
-{
- void *pcix_reg_base;
-
- pcix_reg_base = ioremap64(PCIX0_REG_BASE, PCIX_REG_SIZE);
-
- /* Enable PCIX0 I/O, Mem, and Busmaster cycles */
- PCIX_WRITEW(PCIX_READW(PCIX0_COMMAND) | PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER, PCIX0_COMMAND);
-
- /* Disable all windows */
- PCIX_WRITEL(0, PCIX0_POM0SA);
- PCIX_WRITEL(0, PCIX0_POM1SA);
- PCIX_WRITEL(0, PCIX0_POM2SA);
- PCIX_WRITEL(0, PCIX0_PIM0SA);
- PCIX_WRITEL(0, PCIX0_PIM0SAH);
- PCIX_WRITEL(0, PCIX0_PIM1SA);
- PCIX_WRITEL(0, PCIX0_PIM2SA);
- PCIX_WRITEL(0, PCIX0_PIM2SAH);
-
- /* Setup 2GB PLB->PCI outbound mem window (3_8000_0000->0_8000_0000) */
- PCIX_WRITEL(0x00000003, PCIX0_POM0LAH);
- PCIX_WRITEL(0x80000000, PCIX0_POM0LAL);
- PCIX_WRITEL(0x00000000, PCIX0_POM0PCIAH);
- PCIX_WRITEL(0x80000000, PCIX0_POM0PCIAL);
- PCIX_WRITEL(0x80000001, PCIX0_POM0SA);
-
- /* Setup 2GB PCI->PLB inbound memory window at 0, enable MSIs */
- PCIX_WRITEL(0x00000000, PCIX0_PIM0LAH);
- PCIX_WRITEL(0x00000000, PCIX0_PIM0LAL);
- PCIX_WRITEL(0x80000007, PCIX0_PIM0SA);
- PCIX_WRITEL(0xffffffff, PCIX0_PIM0SAH);
-
- iounmap(pcix_reg_base);
-
- eieio();
-}
-
-static void __init
-taishan_setup_hose(void)
-{
- struct pci_controller *hose;
-
- /* Configure windows on the PCI-X host bridge */
- taishan_setup_pcix();
-
- hose = pcibios_alloc_controller();
-
- if (!hose)
- return;
-
- hose->first_busno = 0;
- hose->last_busno = 0xff;
-
- hose->pci_mem_offset = TAISHAN_PCI_MEM_OFFSET;
-
- pci_init_resource(&hose->io_resource,
- TAISHAN_PCI_LOWER_IO,
- TAISHAN_PCI_UPPER_IO,
- IORESOURCE_IO,
- "PCI host bridge");
-
- pci_init_resource(&hose->mem_resources[0],
- TAISHAN_PCI_LOWER_MEM,
- TAISHAN_PCI_UPPER_MEM,
- IORESOURCE_MEM,
- "PCI host bridge");
-
- hose->io_space.start = TAISHAN_PCI_LOWER_IO;
- hose->io_space.end = TAISHAN_PCI_UPPER_IO;
- hose->mem_space.start = TAISHAN_PCI_LOWER_MEM;
- hose->mem_space.end = TAISHAN_PCI_UPPER_MEM;
- hose->io_base_virt = ioremap64(TAISHAN_PCI_IO_BASE, TAISHAN_PCI_IO_SIZE);
- isa_io_base = (unsigned long) hose->io_base_virt;
-
- setup_indirect_pci(hose,
- TAISHAN_PCI_CFGA_PLB32,
- TAISHAN_PCI_CFGD_PLB32);
- hose->set_cfg_type = 1;
-
- hose->last_busno = pciauto_bus_scan(hose, hose->first_busno);
-
- ppc_md.pci_swizzle = common_swizzle;
- ppc_md.pci_map_irq = taishan_map_irq;
-}
-
-
-static void __init
-taishan_early_serial_map(void)
-{
- struct uart_port port;
-
- /* Setup ioremapped serial port access */
- memset(&port, 0, sizeof(port));
- port.membase = ioremap64(PPC440GX_UART0_ADDR, 8);
- port.irq = UART0_INT;
- 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);
-
- /* Purge TLB entry added in head_44x.S for early serial access */
- _tlbie(UART0_IO_BASE, 0);
-#endif
-
- port.membase = ioremap64(PPC440GX_UART1_ADDR, 8);
- port.irq = UART1_INT;
- 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
-}
-
-static void __init
-taishan_setup_arch(void)
-{
- taishan_set_emacdata();
-
- ibm440gx_tah_enable();
-
- /*
- * Determine various clocks.
- * To be completely correct we should get SysClk
- * from FPGA, because it can be changed by on-board switches
- * --ebs
- */
- ibm440gx_get_clocks(&clocks, 33333333, 6 * 1843200);
- ocp_sys_info.opb_bus_freq = clocks.opb;
-
- /* init to some ~sane value until calibrate_delay() runs */
- loops_per_jiffy = 50000000/HZ;
-
- /* Setup PCI host bridge */
- taishan_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
-
- taishan_early_serial_map();
-
- /* Identify the system */
- printk("AMCC PowerPC 440GX Taishan Platform\n");
-}
-
-static void __init taishan_init(void)
-{
- ibm440gx_l2c_setup(&clocks);
-}
-
-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 = taishan_setup_arch;
- ppc_md.show_cpuinfo = taishan_show_cpuinfo;
- ppc_md.get_irq = NULL; /* Set in ppc4xx_pic_init() */
-
- ppc_md.calibrate_decr = taishan_calibrate_decr;
-
-#ifdef CONFIG_KGDB
- ppc_md.early_serial_map = taishan_early_serial_map;
-#endif
- ppc_md.init = taishan_init;
-}
-