diff options
Diffstat (limited to 'arch/ppc/platforms/katana.c')
| -rw-r--r-- | arch/ppc/platforms/katana.c | 902 |
1 files changed, 0 insertions, 902 deletions
diff --git a/arch/ppc/platforms/katana.c b/arch/ppc/platforms/katana.c deleted file mode 100644 index fe6e88cdb1cd..000000000000 --- a/arch/ppc/platforms/katana.c +++ /dev/null @@ -1,902 +0,0 @@ -/* - * Board setup routines for the Artesyn Katana cPCI boards. - * - * Author: Tim Montgomery <timm@artesyncp.com> - * Maintained by: Mark A. Greer <mgreer@mvista.com> - * - * Based on code done by Rabeeh Khoury - rabeeh@galileo.co.il - * Based on code done by - Mark A. Greer <mgreer@mvista.com> - * - * 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. - */ -/* - * Supports the Artesyn 750i, 752i, and 3750. The 752i is virtually identical - * to the 750i except that it has an mv64460 bridge. - */ -#include <linux/kernel.h> -#include <linux/pci.h> -#include <linux/kdev_t.h> -#include <linux/console.h> -#include <linux/initrd.h> -#include <linux/root_dev.h> -#include <linux/delay.h> -#include <linux/seq_file.h> -#include <linux/mtd/physmap.h> -#include <linux/mv643xx.h> -#include <linux/platform_device.h> -#include <asm/io.h> -#include <asm/unistd.h> -#include <asm/page.h> -#include <asm/time.h> -#include <asm/smp.h> -#include <asm/todc.h> -#include <asm/bootinfo.h> -#include <asm/ppcboot.h> -#include <asm/mv64x60.h> -#include <platforms/katana.h> -#include <asm/machdep.h> - -static struct mv64x60_handle bh; -static katana_id_t katana_id; -static void __iomem *cpld_base; -static void __iomem *sram_base; -static u32 katana_flash_size_0; -static u32 katana_flash_size_1; -static u32 katana_bus_frequency; -static struct pci_controller katana_hose_a; - -unsigned char __res[sizeof(bd_t)]; - -/* PCI Interrupt routing */ -static int __init -katana_irq_lookup_750i(unsigned char idsel, unsigned char pin) -{ - static char pci_irq_table[][4] = { - /* - * PCI IDSEL/INTPIN->INTLINE - * A B C D - */ - /* IDSEL 4 (PMC 1) */ - { KATANA_PCI_INTB_IRQ_750i, KATANA_PCI_INTC_IRQ_750i, - KATANA_PCI_INTD_IRQ_750i, KATANA_PCI_INTA_IRQ_750i }, - /* IDSEL 5 (PMC 2) */ - { KATANA_PCI_INTC_IRQ_750i, KATANA_PCI_INTD_IRQ_750i, - KATANA_PCI_INTA_IRQ_750i, KATANA_PCI_INTB_IRQ_750i }, - /* IDSEL 6 (T8110) */ - {KATANA_PCI_INTD_IRQ_750i, 0, 0, 0 }, - /* IDSEL 7 (unused) */ - {0, 0, 0, 0 }, - /* IDSEL 8 (Intel 82544) (752i only but doesn't harm 750i) */ - {KATANA_PCI_INTD_IRQ_750i, 0, 0, 0 }, - }; - const long min_idsel = 4, max_idsel = 8, irqs_per_slot = 4; - - return PCI_IRQ_TABLE_LOOKUP; -} - -static int __init -katana_irq_lookup_3750(unsigned char idsel, unsigned char pin) -{ - static char pci_irq_table[][4] = { - /* - * PCI IDSEL/INTPIN->INTLINE - * A B C D - */ - { KATANA_PCI_INTA_IRQ_3750, 0, 0, 0 }, /* IDSEL 3 (BCM5691) */ - { KATANA_PCI_INTB_IRQ_3750, 0, 0, 0 }, /* IDSEL 4 (MV64360 #2)*/ - { KATANA_PCI_INTC_IRQ_3750, 0, 0, 0 }, /* IDSEL 5 (MV64360 #3)*/ - }; - const long min_idsel = 3, max_idsel = 5, irqs_per_slot = 4; - - return PCI_IRQ_TABLE_LOOKUP; -} - -static int __init -katana_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin) -{ - switch (katana_id) { - case KATANA_ID_750I: - case KATANA_ID_752I: - return katana_irq_lookup_750i(idsel, pin); - - case KATANA_ID_3750: - return katana_irq_lookup_3750(idsel, pin); - - default: - printk(KERN_ERR "Bogus board ID\n"); - return 0; - } -} - -/* Board info retrieval routines */ -void __init -katana_get_board_id(void) -{ - switch (in_8(cpld_base + KATANA_CPLD_PRODUCT_ID)) { - case KATANA_PRODUCT_ID_3750: - katana_id = KATANA_ID_3750; - break; - - case KATANA_PRODUCT_ID_750i: - katana_id = KATANA_ID_750I; - break; - - case KATANA_PRODUCT_ID_752i: - katana_id = KATANA_ID_752I; - break; - - default: - printk(KERN_ERR "Unsupported board\n"); - } -} - -int __init -katana_get_proc_num(void) -{ - u16 val; - u8 save_exclude; - static int proc = -1; - static u8 first_time = 1; - - if (first_time) { - if (katana_id != KATANA_ID_3750) - proc = 0; - else { - save_exclude = mv64x60_pci_exclude_bridge; - mv64x60_pci_exclude_bridge = 0; - - early_read_config_word(bh.hose_b, 0, - PCI_DEVFN(0,0), PCI_DEVICE_ID, &val); - - mv64x60_pci_exclude_bridge = save_exclude; - - switch(val) { - case PCI_DEVICE_ID_KATANA_3750_PROC0: - proc = 0; - break; - - case PCI_DEVICE_ID_KATANA_3750_PROC1: - proc = 1; - break; - - case PCI_DEVICE_ID_KATANA_3750_PROC2: - proc = 2; - break; - - default: - printk(KERN_ERR "Bogus Device ID\n"); - } - } - - first_time = 0; - } - - return proc; -} - -static inline int -katana_is_monarch(void) -{ - return in_8(cpld_base + KATANA_CPLD_BD_CFG_3) & - KATANA_CPLD_BD_CFG_3_MONARCH; -} - -static void __init -katana_setup_bridge(void) -{ - struct pci_controller hose; - struct mv64x60_setup_info si; - void __iomem *vaddr; - int i; - u32 v; - u16 val, type; - u8 save_exclude; - - /* - * Some versions of the Katana firmware mistakenly change the vendor - * & device id fields in the bridge's pci device (visible via pci - * config accesses). This breaks mv64x60_init() because those values - * are used to identify the type of bridge that's there. Artesyn - * claims that the subsystem vendor/device id's will have the correct - * Marvell values so this code puts back the correct values from there. - */ - memset(&hose, 0, sizeof(hose)); - vaddr = ioremap(CONFIG_MV64X60_NEW_BASE, MV64x60_INTERNAL_SPACE_SIZE); - setup_indirect_pci_nomap(&hose, vaddr + MV64x60_PCI0_CONFIG_ADDR, - vaddr + MV64x60_PCI0_CONFIG_DATA); - save_exclude = mv64x60_pci_exclude_bridge; - mv64x60_pci_exclude_bridge = 0; - - early_read_config_word(&hose, 0, PCI_DEVFN(0, 0), PCI_VENDOR_ID, &val); - - if (val != PCI_VENDOR_ID_MARVELL) { - early_read_config_word(&hose, 0, PCI_DEVFN(0, 0), - PCI_SUBSYSTEM_VENDOR_ID, &val); - early_write_config_word(&hose, 0, PCI_DEVFN(0, 0), - PCI_VENDOR_ID, val); - early_read_config_word(&hose, 0, PCI_DEVFN(0, 0), - PCI_SUBSYSTEM_ID, &val); - early_write_config_word(&hose, 0, PCI_DEVFN(0, 0), - PCI_DEVICE_ID, val); - } - - /* - * While we're in here, set the hotswap register correctly. - * Turn off blue LED; mask ENUM#, clear insertion & extraction bits. - */ - early_read_config_dword(&hose, 0, PCI_DEVFN(0, 0), - MV64360_PCICFG_CPCI_HOTSWAP, &v); - v &= ~(1<<19); - v |= ((1<<17) | (1<<22) | (1<<23)); - early_write_config_dword(&hose, 0, PCI_DEVFN(0, 0), - MV64360_PCICFG_CPCI_HOTSWAP, v); - - /* While we're at it, grab the bridge type for later */ - early_read_config_word(&hose, 0, PCI_DEVFN(0, 0), PCI_DEVICE_ID, &type); - - mv64x60_pci_exclude_bridge = save_exclude; - iounmap(vaddr); - - memset(&si, 0, sizeof(si)); - - si.phys_reg_base = CONFIG_MV64X60_NEW_BASE; - - si.pci_1.enable_bus = 1; - si.pci_1.pci_io.cpu_base = KATANA_PCI1_IO_START_PROC_ADDR; - si.pci_1.pci_io.pci_base_hi = 0; - si.pci_1.pci_io.pci_base_lo = KATANA_PCI1_IO_START_PCI_ADDR; - si.pci_1.pci_io.size = KATANA_PCI1_IO_SIZE; - si.pci_1.pci_io.swap = MV64x60_CPU2PCI_SWAP_NONE; - si.pci_1.pci_mem[0].cpu_base = KATANA_PCI1_MEM_START_PROC_ADDR; - si.pci_1.pci_mem[0].pci_base_hi = KATANA_PCI1_MEM_START_PCI_HI_ADDR; - si.pci_1.pci_mem[0].pci_base_lo = KATANA_PCI1_MEM_START_PCI_LO_ADDR; - si.pci_1.pci_mem[0].size = KATANA_PCI1_MEM_SIZE; - si.pci_1.pci_mem[0].swap = MV64x60_CPU2PCI_SWAP_NONE; - si.pci_1.pci_cmd_bits = 0; - si.pci_1.latency_timer = 0x80; - - for (i = 0; i < MV64x60_CPU2MEM_WINDOWS; i++) { -#if defined(CONFIG_NOT_COHERENT_CACHE) - si.cpu_prot_options[i] = 0; - si.enet_options[i] = MV64360_ENET2MEM_SNOOP_NONE; - si.mpsc_options[i] = MV64360_MPSC2MEM_SNOOP_NONE; - si.idma_options[i] = MV64360_IDMA2MEM_SNOOP_NONE; - - si.pci_1.acc_cntl_options[i] = - MV64360_PCI_ACC_CNTL_SNOOP_NONE | - MV64360_PCI_ACC_CNTL_SWAP_NONE | - MV64360_PCI_ACC_CNTL_MBURST_128_BYTES | - MV64360_PCI_ACC_CNTL_RDSIZE_256_BYTES; -#else - si.cpu_prot_options[i] = 0; - si.enet_options[i] = MV64360_ENET2MEM_SNOOP_WB; - si.mpsc_options[i] = MV64360_MPSC2MEM_SNOOP_WB; - si.idma_options[i] = MV64360_IDMA2MEM_SNOOP_WB; - - si.pci_1.acc_cntl_options[i] = - MV64360_PCI_ACC_CNTL_SNOOP_WB | - MV64360_PCI_ACC_CNTL_SWAP_NONE | - MV64360_PCI_ACC_CNTL_MBURST_32_BYTES | - ((type == PCI_DEVICE_ID_MARVELL_MV64360) ? - MV64360_PCI_ACC_CNTL_RDSIZE_32_BYTES : - MV64360_PCI_ACC_CNTL_RDSIZE_256_BYTES); -#endif - } - - /* Lookup PCI host bridges */ - if (mv64x60_init(&bh, &si)) - printk(KERN_WARNING "Bridge initialization failed.\n"); - - pci_dram_offset = 0; /* sys mem at same addr on PCI & cpu bus */ - ppc_md.pci_swizzle = common_swizzle; - ppc_md.pci_map_irq = katana_map_irq; - ppc_md.pci_exclude_device = mv64x60_pci_exclude_device; - - mv64x60_set_bus(&bh, 1, 0); - bh.hose_b->first_busno = 0; - bh.hose_b->last_busno = 0xff; - - /* - * Need to access hotswap reg which is in the pci config area of the - * bridge's hose 0. Note that pcibios_alloc_controller() can't be used - * to alloc hose_a b/c that would make hose 0 known to the generic - * pci code which we don't want. - */ - bh.hose_a = &katana_hose_a; - setup_indirect_pci_nomap(bh.hose_a, - bh.v_base + MV64x60_PCI0_CONFIG_ADDR, - bh.v_base + MV64x60_PCI0_CONFIG_DATA); -} - -/* Bridge & platform setup routines */ -void __init -katana_intr_setup(void) -{ - if (bh.type == MV64x60_TYPE_MV64460) /* As per instns from Marvell */ - mv64x60_clr_bits(&bh, MV64x60_CPU_MASTER_CNTL, 1 << 15); - - /* MPP 8, 9, and 10 */ - mv64x60_clr_bits(&bh, MV64x60_MPP_CNTL_1, 0xfff); - - /* MPP 14 */ - if ((katana_id == KATANA_ID_750I) || (katana_id == KATANA_ID_752I)) - mv64x60_clr_bits(&bh, MV64x60_MPP_CNTL_1, 0x0f000000); - - /* - * Define GPP 8,9,and 10 interrupt polarity as active low - * input signal and level triggered - */ - mv64x60_set_bits(&bh, MV64x60_GPP_LEVEL_CNTL, 0x700); - mv64x60_clr_bits(&bh, MV64x60_GPP_IO_CNTL, 0x700); - - if ((katana_id == KATANA_ID_750I) || (katana_id == KATANA_ID_752I)) { - mv64x60_set_bits(&bh, MV64x60_GPP_LEVEL_CNTL, (1<<14)); - mv64x60_clr_bits(&bh, MV64x60_GPP_IO_CNTL, (1<<14)); - } - - /* Config GPP intr ctlr to respond to level trigger */ - mv64x60_set_bits(&bh, MV64x60_COMM_ARBITER_CNTL, (1<<10)); - - if (bh.type == MV64x60_TYPE_MV64360) { - /* Erratum FEr PCI-#9 */ - mv64x60_clr_bits(&bh, MV64x60_PCI1_CMD, - (1<<4) | (1<<5) | (1<<6) | (1<<7)); - mv64x60_set_bits(&bh, MV64x60_PCI1_CMD, (1<<8) | (1<<9)); - } else { - mv64x60_clr_bits(&bh, MV64x60_PCI1_CMD, (1<<6) | (1<<7)); - mv64x60_set_bits(&bh, MV64x60_PCI1_CMD, - (1<<4) | (1<<5) | (1<<8) | (1<<9)); - } - - /* - * Dismiss and then enable interrupt on GPP interrupt cause - * for CPU #0 - */ - mv64x60_write(&bh, MV64x60_GPP_INTR_CAUSE, ~0x700); - mv64x60_set_bits(&bh, MV64x60_GPP_INTR_MASK, 0x700); - - if ((katana_id == KATANA_ID_750I) || (katana_id == KATANA_ID_752I)) { - mv64x60_write(&bh, MV64x60_GPP_INTR_CAUSE, ~(1<<14)); - mv64x60_set_bits(&bh, MV64x60_GPP_INTR_MASK, (1<<14)); - } - - /* - * Dismiss and then enable interrupt on CPU #0 high cause reg - * BIT25 summarizes GPP interrupts 8-15 - */ - mv64x60_set_bits(&bh, MV64360_IC_CPU0_INTR_MASK_HI, (1<<25)); -} - -void __init -katana_setup_peripherals(void) -{ - u32 base; - - /* Set up windows for boot CS, soldered & socketed flash, and CPLD */ - mv64x60_set_32bit_window(&bh, MV64x60_CPU2BOOT_WIN, - KATANA_BOOT_WINDOW_BASE, KATANA_BOOT_WINDOW_SIZE, 0); - bh.ci->enable_window_32bit(&bh, MV64x60_CPU2BOOT_WIN); - - /* Assume firmware set up window sizes correctly for dev 0 & 1 */ - mv64x60_get_32bit_window(&bh, MV64x60_CPU2DEV_0_WIN, &base, - &katana_flash_size_0); - - if (katana_flash_size_0 > 0) { - mv64x60_set_32bit_window(&bh, MV64x60_CPU2DEV_0_WIN, - KATANA_SOLDERED_FLASH_BASE, katana_flash_size_0, 0); - bh.ci->enable_window_32bit(&bh, MV64x60_CPU2DEV_0_WIN); - } - - mv64x60_get_32bit_window(&bh, MV64x60_CPU2DEV_1_WIN, &base, - &katana_flash_size_1); - - if (katana_flash_size_1 > 0) { - mv64x60_set_32bit_window(&bh, MV64x60_CPU2DEV_1_WIN, - (KATANA_SOLDERED_FLASH_BASE + katana_flash_size_0), - katana_flash_size_1, 0); - bh.ci->enable_window_32bit(&bh, MV64x60_CPU2DEV_1_WIN); - } - - mv64x60_set_32bit_window(&bh, MV64x60_CPU2DEV_2_WIN, - KATANA_SOCKET_BASE, KATANA_SOCKETED_FLASH_SIZE, 0); - bh.ci->enable_window_32bit(&bh, MV64x60_CPU2DEV_2_WIN); - - mv64x60_set_32bit_window(&bh, MV64x60_CPU2DEV_3_WIN, - KATANA_CPLD_BASE, KATANA_CPLD_SIZE, 0); - bh.ci->enable_window_32bit(&bh, MV64x60_CPU2DEV_3_WIN); - cpld_base = ioremap(KATANA_CPLD_BASE, KATANA_CPLD_SIZE); - - mv64x60_set_32bit_window(&bh, MV64x60_CPU2SRAM_WIN, - KATANA_INTERNAL_SRAM_BASE, MV64360_SRAM_SIZE, 0); - bh.ci->enable_window_32bit(&bh, MV64x60_CPU2SRAM_WIN); - sram_base = ioremap(KATANA_INTERNAL_SRAM_BASE, MV64360_SRAM_SIZE); - - /* Set up Enet->SRAM window */ - mv64x60_set_32bit_window(&bh, MV64x60_ENET2MEM_4_WIN, - KATANA_INTERNAL_SRAM_BASE, MV64360_SRAM_SIZE, 0x2); - bh.ci->enable_window_32bit(&bh, MV64x60_ENET2MEM_4_WIN); - - /* Give enet r/w access to memory region */ - mv64x60_set_bits(&bh, MV64360_ENET2MEM_ACC_PROT_0, (0x3 << (4 << 1))); - mv64x60_set_bits(&bh, MV64360_ENET2MEM_ACC_PROT_1, (0x3 << (4 << 1))); - mv64x60_set_bits(&bh, MV64360_ENET2MEM_ACC_PROT_2, (0x3 << (4 << 1))); - - mv64x60_clr_bits(&bh, MV64x60_PCI1_PCI_DECODE_CNTL, (1 << 3)); - mv64x60_clr_bits(&bh, MV64x60_TIMR_CNTR_0_3_CNTL, - ((1 << 0) | (1 << 8) | (1 << 16) | (1 << 24))); - - /* Must wait until window set up before retrieving board id */ - katana_get_board_id(); - - /* Enumerate pci bus (must know board id before getting proc number) */ - if (katana_get_proc_num() == 0) - bh.hose_b->last_busno = pciauto_bus_scan(bh.hose_b, 0); - -#if defined(CONFIG_NOT_COHERENT_CACHE) - mv64x60_write(&bh, MV64360_SRAM_CONFIG, 0x00160000); -#else - mv64x60_write(&bh, MV64360_SRAM_CONFIG, 0x001600b2); -#endif - - /* - * Setting the SRAM to 0. Note that this generates parity errors on - * internal data path in SRAM since it's first time accessing it - * while after reset it's not configured. - */ - memset(sram_base, 0, MV64360_SRAM_SIZE); - - /* Only processor zero [on 3750] is an PCI interrupt controller */ - if (katana_get_proc_num() == 0) - katana_intr_setup(); -} - -static void __init -katana_enable_ipmi(void) -{ - u8 reset_out; - - /* Enable access to IPMI ctlr by clearing IPMI PORTSEL bit in CPLD */ - reset_out = in_8(cpld_base + KATANA_CPLD_RESET_OUT); - reset_out &= ~KATANA_CPLD_RESET_OUT_PORTSEL; - out_8(cpld_base + KATANA_CPLD_RESET_OUT, reset_out); -} - -static void __init -katana_setup_arch(void) -{ - if (ppc_md.progress) - ppc_md.progress("katana_setup_arch: enter", 0); - - set_tb(0, 0); - -#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_SDA2; -#endif - - /* - * Set up the L2CR register. - * - * 750FX has only L2E, L2PE (bits 2-8 are reserved) - * DD2.0 has bug that requires the L2 to be in WRT mode - * avoid dirty data in cache - */ - if (PVR_REV(mfspr(SPRN_PVR)) == 0x0200) { - printk(KERN_INFO "DD2.0 detected. Setting L2 cache" - "to Writethrough mode\n"); - _set_L2CR(L2CR_L2E | L2CR_L2PE | L2CR_L2WT); - } else - _set_L2CR(L2CR_L2E | L2CR_L2PE); - - if (ppc_md.progress) - ppc_md.progress("katana_setup_arch: calling setup_bridge", 0); - - katana_setup_bridge(); - katana_setup_peripherals(); - katana_enable_ipmi(); - - katana_bus_frequency = katana_bus_freq(cpld_base); - - printk(KERN_INFO "Artesyn Communication Products, LLC - Katana(TM)\n"); - if (ppc_md.progress) - ppc_md.progress("katana_setup_arch: exit", 0); -} - -void -katana_fixup_resources(struct pci_dev *dev) -{ - u16 v16; - - pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, L1_CACHE_BYTES>>2); - - pci_read_config_word(dev, PCI_COMMAND, &v16); - v16 |= PCI_COMMAND_INVALIDATE | PCI_COMMAND_FAST_BACK; - pci_write_config_word(dev, PCI_COMMAND, v16); -} - -static const unsigned int cpu_750xx[32] = { /* 750FX & 750GX */ - 0, 0, 2, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,/* 0-15*/ - 16, 17, 18, 19, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 0 /*16-31*/ -}; - -static int -katana_get_cpu_freq(void) -{ - unsigned long pll_cfg; - - pll_cfg = (mfspr(SPRN_HID1) & 0xf8000000) >> 27; - return katana_bus_frequency * cpu_750xx[pll_cfg]/2; -} - -/* Platform device data fixup routines. */ -#if defined(CONFIG_SERIAL_MPSC) -static void __init -katana_fixup_mpsc_pdata(struct platform_device *pdev) -{ - struct mpsc_pdata *pdata = (struct mpsc_pdata *)pdev->dev.platform_data; - bd_t *bdp = (bd_t *)__res; - - if (bdp->bi_baudrate) - pdata->default_baud = bdp->bi_baudrate; - else - pdata->default_baud = KATANA_DEFAULT_BAUD; - - pdata->max_idle = 40; - pdata->brg_clk_src = KATANA_MPSC_CLK_SRC; - /* - * TCLK (not SysCLk) is routed to BRG, then to the MPSC. On most parts, - * TCLK == SysCLK but on 64460, they are separate pins. - * SysCLK can go up to 200 MHz but TCLK can only go up to 133 MHz. - */ - pdata->brg_clk_freq = min(katana_bus_frequency, MV64x60_TCLK_FREQ_MAX); -} -#endif - -#if defined(CONFIG_MV643XX_ETH) -static void __init -katana_fixup_eth_pdata(struct platform_device *pdev) -{ - struct mv643xx_eth_platform_data *eth_pd; - static u16 phy_addr[] = { - KATANA_ETH0_PHY_ADDR, - KATANA_ETH1_PHY_ADDR, - KATANA_ETH2_PHY_ADDR, - }; - - eth_pd = pdev->dev.platform_data; - eth_pd->force_phy_addr = 1; - eth_pd->phy_addr = phy_addr[pdev->id]; - eth_pd->tx_queue_size = KATANA_ETH_TX_QUEUE_SIZE; - eth_pd->rx_queue_size = KATANA_ETH_RX_QUEUE_SIZE; -} -#endif - -#if defined(CONFIG_SYSFS) -static void __init -katana_fixup_mv64xxx_pdata(struct platform_device *pdev) -{ - struct mv64xxx_pdata *pdata = (struct mv64xxx_pdata *) - pdev->dev.platform_data; - - /* Katana supports the mv64xxx hotswap register */ - pdata->hs_reg_valid = 1; -} -#endif - -static int -katana_platform_notify(struct device *dev) -{ - static struct { - char *bus_id; - void ((*rtn)(struct platform_device *pdev)); - } dev_map[] = { -#if defined(CONFIG_SERIAL_MPSC) - { MPSC_CTLR_NAME ".0", katana_fixup_mpsc_pdata }, - { MPSC_CTLR_NAME ".1", katana_fixup_mpsc_pdata }, -#endif -#if defined(CONFIG_MV643XX_ETH) - { MV643XX_ETH_NAME ".0", katana_fixup_eth_pdata }, - { MV643XX_ETH_NAME ".1", katana_fixup_eth_pdata }, - { MV643XX_ETH_NAME ".2", katana_fixup_eth_pdata }, -#endif -#if defined(CONFIG_SYSFS) - { MV64XXX_DEV_NAME ".0", katana_fixup_mv64xxx_pdata }, -#endif - }; - struct platform_device *pdev; - int i; - - if (dev && dev->bus_id) - for (i=0; i<ARRAY_SIZE(dev_map); i++) - if (!strncmp(dev->bus_id, dev_map[i].bus_id, - BUS_ID_SIZE)) { - pdev = container_of(dev, - struct platform_device, dev); - dev_map[i].rtn(pdev); - } - - return 0; -} - -#ifdef CONFIG_MTD_PHYSMAP - -#ifndef MB -#define MB (1 << 20) -#endif - -/* - * MTD Layout depends on amount of soldered FLASH in system. Sizes in MB. - * - * FLASH Amount: 128 64 32 16 - * ------------- --- -- -- -- - * Monitor: 1 1 1 1 - * Primary Kernel: 1.5 1.5 1.5 1.5 - * Primary fs: 30 30 <end> <end> - * Secondary Kernel: 1.5 1.5 N/A N/A - * Secondary fs: <end> <end> N/A N/A - * User: <overlays entire FLASH except for "Monitor" section> - */ -static int __init -katana_setup_mtd(void) -{ - u32 size; - int ptbl_entries; - static struct mtd_partition *ptbl; - - size = katana_flash_size_0 + katana_flash_size_1; - if (!size) - return -ENOMEM; - - ptbl_entries = (size >= (64*MB)) ? 6 : 4; - - if ((ptbl = kcalloc(ptbl_entries, sizeof(struct mtd_partition), - GFP_KERNEL)) == NULL) { - printk(KERN_WARNING "Can't alloc MTD partition table\n"); - return -ENOMEM; - } - - ptbl[0].name = "Monitor"; - ptbl[0].size = KATANA_MTD_MONITOR_SIZE; - ptbl[1].name = "Primary Kernel"; - ptbl[1].offset = MTDPART_OFS_NXTBLK; - ptbl[1].size = 0x00180000; /* 1.5 MB */ - ptbl[2].name = "Primary Filesystem"; - ptbl[2].offset = MTDPART_OFS_APPEND; - ptbl[2].size = MTDPART_SIZ_FULL; /* Correct for 16 & 32 MB */ - ptbl[ptbl_entries-1].name = "User FLASH"; - ptbl[ptbl_entries-1].offset = KATANA_MTD_MONITOR_SIZE; - ptbl[ptbl_entries-1].size = MTDPART_SIZ_FULL; - - if (size >= (64*MB)) { - ptbl[2].size = 30*MB; - ptbl[3].name = "Secondary Kernel"; - ptbl[3].offset = MTDPART_OFS_NXTBLK; - ptbl[3].size = 0x00180000; /* 1.5 MB */ - ptbl[4].name = "Secondary Filesystem"; - ptbl[4].offset = MTDPART_OFS_APPEND; - ptbl[4].size = MTDPART_SIZ_FULL; - } - - physmap_map.size = size; - physmap_set_partitions(ptbl, ptbl_entries); - return 0; -} -arch_initcall(katana_setup_mtd); -#endif - -static void -katana_restart(char *cmd) -{ - ulong i = 10000000; - - /* issue hard reset to the reset command register */ - out_8(cpld_base + KATANA_CPLD_RST_CMD, KATANA_CPLD_RST_CMD_HR); - - while (i-- > 0) ; - panic("restart failed\n"); -} - -static void -katana_halt(void) -{ - u8 v; - - /* Turn on blue LED to indicate its okay to remove */ - if (katana_id == KATANA_ID_750I) { - u32 v; - u8 save_exclude; - - /* Set LOO bit in cPCI HotSwap reg of hose 0 to turn on LED. */ - save_exclude = mv64x60_pci_exclude_bridge; - mv64x60_pci_exclude_bridge = 0; - early_read_config_dword(bh.hose_a, 0, PCI_DEVFN(0, 0), - MV64360_PCICFG_CPCI_HOTSWAP, &v); - v &= 0xff; - v |= (1 << 19); - early_write_config_dword(bh.hose_a, 0, PCI_DEVFN(0, 0), - MV64360_PCICFG_CPCI_HOTSWAP, v); - mv64x60_pci_exclude_bridge = save_exclude; - } else if (katana_id == KATANA_ID_752I) { - v = in_8(cpld_base + HSL_PLD_BASE + HSL_PLD_HOT_SWAP_OFF); - v |= HSL_PLD_HOT_SWAP_LED_BIT; - out_8(cpld_base + HSL_PLD_BASE + HSL_PLD_HOT_SWAP_OFF, v); - } - - while (1) ; - /* NOTREACHED */ -} - -static void -katana_power_off(void) -{ - katana_halt(); - /* NOTREACHED */ -} - -static int -katana_show_cpuinfo(struct seq_file *m) -{ - char *s; - - seq_printf(m, "cpu freq\t: %dMHz\n", - (katana_get_cpu_freq() + 500000) / 1000000); - seq_printf(m, "bus freq\t: %ldMHz\n", - ((long)katana_bus_frequency + 500000) / 1000000); - seq_printf(m, "vendor\t\t: Artesyn Communication Products, LLC\n"); - - seq_printf(m, "board\t\t: "); - switch (katana_id) { - case KATANA_ID_3750: - seq_printf(m, "Katana 3750"); - break; - - case KATANA_ID_750I: - seq_printf(m, "Katana 750i"); - break; - - case KATANA_ID_752I: - seq_printf(m, "Katana 752i"); - break; - - default: - seq_printf(m, "Unknown"); - break; - } - seq_printf(m, " (product id: 0x%x)\n", - in_8(cpld_base + KATANA_CPLD_PRODUCT_ID)); - - seq_printf(m, "pci mode\t: %sMonarch\n", - katana_is_monarch()? "" : "Non-"); - seq_printf(m, "hardware rev\t: 0x%x\n", - in_8(cpld_base+KATANA_CPLD_HARDWARE_VER)); - seq_printf(m, "pld rev\t\t: 0x%x\n", - in_8(cpld_base + KATANA_CPLD_PLD_VER)); - - switch(bh.type) { - case MV64x60_TYPE_GT64260A: - s = "gt64260a"; - break; - case MV64x60_TYPE_GT64260B: - s = "gt64260b"; - break; - case MV64x60_TYPE_MV64360: - s = "mv64360"; - break; - case MV64x60_TYPE_MV64460: - s = "mv64460"; - break; - default: - s = "Unknown"; - } - seq_printf(m, "bridge type\t: %s\n", s); - seq_printf(m, "bridge rev\t: 0x%x\n", bh.rev); -#if defined(CONFIG_NOT_COHERENT_CACHE) - seq_printf(m, "coherency\t: %s\n", "off"); -#else - seq_printf(m, "coherency\t: %s\n", "on"); -#endif - - return 0; -} - -static void __init -katana_calibrate_decr(void) -{ - u32 freq; - - freq = katana_bus_frequency / 4; - - printk(KERN_INFO "time_init: decrementer frequency = %lu.%.6lu MHz\n", - (long)freq / 1000000, (long)freq % 1000000); - - tb_ticks_per_jiffy = freq / HZ; - tb_to_us = mulhwu_scale_factor(freq, 1000000); -} - -/* - * The katana supports both uImage and zImage. If uImage, get the mem size - * from the bd info. If zImage, the bootwrapper adds a BI_MEMSIZE entry in - * the bi_rec data which is sucked out and put into boot_mem_size by - * parse_bootinfo(). MMU_init() will then use the boot_mem_size for the mem - * size and not call this routine. The only way this will fail is when a uImage - * is used but the fw doesn't pass in a valid bi_memsize. This should never - * happen, though. - */ -unsigned long __init -katana_find_end_of_memory(void) -{ - bd_t *bdp = (bd_t *)__res; - return bdp->bi_memsize; -} - -#if defined(CONFIG_SERIAL_TEXT_DEBUG) && defined(CONFIG_SERIAL_MPSC_CONSOLE) -static void __init -katana_map_io(void) -{ - io_block_mapping(0xf8100000, 0xf8100000, 0x00020000, _PAGE_IO); -} -#endif - -void __init -platform_init(unsigned long r3, unsigned long r4, unsigned long r5, - unsigned long r6, unsigned long r7) -{ - parse_bootinfo(find_bootinfo()); - - /* ASSUMPTION: If both r3 (bd_t pointer) and r6 (cmdline pointer) - * are non-zero, then we should use the board info from the bd_t - * structure and the cmdline pointed to by r6 instead of the - * information from birecs, if any. Otherwise, use the information - * from birecs as discovered by the preceding call to - * parse_bootinfo(). This rule should work with both PPCBoot, which - * uses a bd_t board info structure, and the kernel boot wrapper, - * which uses birecs. - */ - if (r3 && r6) { - /* copy board info structure */ - memcpy((void *)__res, (void *)(r3+KERNELBASE), sizeof(bd_t)); - /* copy command line */ - *(char *)(r7+KERNELBASE) = 0; - strcpy(cmd_line, (char *)(r6+KERNELBASE)); - } - -#ifdef CONFIG_BLK_DEV_INITRD - /* take care of initrd if we have one */ - if (r4) { - initrd_start = r4 + KERNELBASE; - initrd_end = r5 + KERNELBASE; - } -#endif /* CONFIG_BLK_DEV_INITRD */ - - isa_mem_base = 0; - - ppc_md.setup_arch = katana_setup_arch; - ppc_md.pcibios_fixup_resources = katana_fixup_resources; - ppc_md.show_cpuinfo = katana_show_cpuinfo; - ppc_md.init_IRQ = mv64360_init_irq; - ppc_md.get_irq = mv64360_get_irq; - ppc_md.restart = katana_restart; - ppc_md.power_off = katana_power_off; - ppc_md.halt = katana_halt; - ppc_md.find_end_of_memory = katana_find_end_of_memory; - ppc_md.calibrate_decr = katana_calibrate_decr; - -#if defined(CONFIG_SERIAL_TEXT_DEBUG) && defined(CONFIG_SERIAL_MPSC_CONSOLE) - ppc_md.setup_io_mappings = katana_map_io; - ppc_md.progress = mv64x60_mpsc_progress; - mv64x60_progress_init(CONFIG_MV64X60_NEW_BASE); -#endif - -#if defined(CONFIG_SERIAL_MPSC) || defined(CONFIG_MV643XX_ETH) - platform_notify = katana_platform_notify; -#endif -} |
