diff options
Diffstat (limited to 'arch/ppc/platforms/ev64360.c')
| -rw-r--r-- | arch/ppc/platforms/ev64360.c | 517 |
1 files changed, 0 insertions, 517 deletions
diff --git a/arch/ppc/platforms/ev64360.c b/arch/ppc/platforms/ev64360.c deleted file mode 100644 index 6765676..0000000 --- a/arch/ppc/platforms/ev64360.c +++ /dev/null @@ -1,517 +0,0 @@ -/* - * Board setup routines for the Marvell EV-64360-BP Evaluation Board. - * - * Author: Lee Nicks <allinux@gmail.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. - */ -#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/bootmem.h> -#include <linux/mtd/physmap.h> -#include <linux/mv643xx.h> -#include <linux/platform_device.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 <asm/machdep.h> -#include <platforms/ev64360.h> - -#define BOARD_VENDOR "Marvell" -#define BOARD_MACHINE "EV-64360-BP" - -static struct mv64x60_handle bh; -static void __iomem *sram_base; - -static u32 ev64360_flash_size_0; -static u32 ev64360_flash_size_1; - -static u32 ev64360_bus_frequency; - -unsigned char __res[sizeof(bd_t)]; - -TODC_ALLOC(); - -static int __init -ev64360_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin) -{ - return 0; -} - -static void __init -ev64360_setup_bridge(void) -{ - struct mv64x60_setup_info si; - int i; - - memset(&si, 0, sizeof(si)); - - si.phys_reg_base = CONFIG_MV64X60_NEW_BASE; - - #ifdef CONFIG_PCI - si.pci_1.enable_bus = 1; - si.pci_1.pci_io.cpu_base = EV64360_PCI1_IO_START_PROC_ADDR; - si.pci_1.pci_io.pci_base_hi = 0; - si.pci_1.pci_io.pci_base_lo = EV64360_PCI1_IO_START_PCI_ADDR; - si.pci_1.pci_io.size = EV64360_PCI1_IO_SIZE; - si.pci_1.pci_io.swap = MV64x60_CPU2PCI_SWAP_NONE; - si.pci_1.pci_mem[0].cpu_base = EV64360_PCI1_MEM_START_PROC_ADDR; - si.pci_1.pci_mem[0].pci_base_hi = EV64360_PCI1_MEM_START_PCI_HI_ADDR; - si.pci_1.pci_mem[0].pci_base_lo = EV64360_PCI1_MEM_START_PCI_LO_ADDR; - si.pci_1.pci_mem[0].size = EV64360_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; - #else - si.pci_0.enable_bus = 0; - si.pci_1.enable_bus = 0; - #endif - - 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_NONE; /* errata */ - si.mpsc_options[i] = MV64360_MPSC2MEM_SNOOP_NONE; /* errata */ - si.idma_options[i] = MV64360_IDMA2MEM_SNOOP_NONE; /* errata */ - - 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 | - MV64360_PCI_ACC_CNTL_RDSIZE_32_BYTES; -#endif - } - - if (mv64x60_init(&bh, &si)) - printk(KERN_WARNING "Bridge initialization failed.\n"); - - #ifdef CONFIG_PCI - pci_dram_offset = 0; /* sys mem at same addr on PCI & cpu bus */ - ppc_md.pci_swizzle = common_swizzle; - ppc_md.pci_map_irq = ev64360_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; - #endif -} - -/* Bridge & platform setup routines */ -void __init -ev64360_intr_setup(void) -{ - /* MPP 8, 9, and 10 */ - mv64x60_clr_bits(&bh, MV64x60_MPP_CNTL_1, 0xfff); - - /* - * 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); - - /* Config GPP intr ctlr to respond to level trigger */ - mv64x60_set_bits(&bh, MV64x60_COMM_ARBITER_CNTL, (1<<10)); - - /* Erranum FEr PCI-#8 */ - mv64x60_clr_bits(&bh, MV64x60_PCI0_CMD, (1<<5) | (1<<9)); - mv64x60_clr_bits(&bh, MV64x60_PCI1_CMD, (1<<5) | (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); - - /* - * 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 -ev64360_setup_peripherals(void) -{ - u32 base; - - /* Set up window for boot CS */ - mv64x60_set_32bit_window(&bh, MV64x60_CPU2BOOT_WIN, - EV64360_BOOT_WINDOW_BASE, EV64360_BOOT_WINDOW_SIZE, 0); - bh.ci->enable_window_32bit(&bh, MV64x60_CPU2BOOT_WIN); - - /* We only use the 32-bit flash */ - mv64x60_get_32bit_window(&bh, MV64x60_CPU2BOOT_WIN, &base, - &ev64360_flash_size_0); - ev64360_flash_size_1 = 0; - - mv64x60_set_32bit_window(&bh, MV64x60_CPU2DEV_1_WIN, - EV64360_RTC_WINDOW_BASE, EV64360_RTC_WINDOW_SIZE, 0); - bh.ci->enable_window_32bit(&bh, MV64x60_CPU2DEV_1_WIN); - - TODC_INIT(TODC_TYPE_DS1501, 0, 0, - ioremap(EV64360_RTC_WINDOW_BASE, EV64360_RTC_WINDOW_SIZE), 8); - - mv64x60_set_32bit_window(&bh, MV64x60_CPU2SRAM_WIN, - EV64360_INTERNAL_SRAM_BASE, MV64360_SRAM_SIZE, 0); - bh.ci->enable_window_32bit(&bh, MV64x60_CPU2SRAM_WIN); - sram_base = ioremap(EV64360_INTERNAL_SRAM_BASE, MV64360_SRAM_SIZE); - - /* Set up Enet->SRAM window */ - mv64x60_set_32bit_window(&bh, MV64x60_ENET2MEM_4_WIN, - EV64360_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))); - -#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); - - /* set up PCI interrupt controller */ - ev64360_intr_setup(); -} - -static void __init -ev64360_setup_arch(void) -{ - if (ppc_md.progress) - ppc_md.progress("ev64360_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. - */ - _set_L2CR(L2CR_L2E | L2CR_L2PE); - - if (ppc_md.progress) - ppc_md.progress("ev64360_setup_arch: calling setup_bridge", 0); - - ev64360_setup_bridge(); - ev64360_setup_peripherals(); - ev64360_bus_frequency = ev64360_bus_freq(); - - printk(KERN_INFO "%s %s port (C) 2005 Lee Nicks " - "(allinux@gmail.com)\n", BOARD_VENDOR, BOARD_MACHINE); - if (ppc_md.progress) - ppc_md.progress("ev64360_setup_arch: exit", 0); -} - -/* Platform device data fixup routines. */ -#if defined(CONFIG_SERIAL_MPSC) -static void __init -ev64360_fixup_mpsc_pdata(struct platform_device *pdev) -{ - struct mpsc_pdata *pdata; - - pdata = (struct mpsc_pdata *)pdev->dev.platform_data; - - pdata->max_idle = 40; - pdata->default_baud = EV64360_DEFAULT_BAUD; - pdata->brg_clk_src = EV64360_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(ev64360_bus_frequency, MV64x60_TCLK_FREQ_MAX); -} -#endif - -#if defined(CONFIG_MV643XX_ETH) -static void __init -ev64360_fixup_eth_pdata(struct platform_device *pdev) -{ - struct mv643xx_eth_platform_data *eth_pd; - static u16 phy_addr[] = { - EV64360_ETH0_PHY_ADDR, - EV64360_ETH1_PHY_ADDR, - EV64360_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 = EV64360_ETH_TX_QUEUE_SIZE; - eth_pd->rx_queue_size = EV64360_ETH_RX_QUEUE_SIZE; -} -#endif - -static int -ev64360_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", ev64360_fixup_mpsc_pdata }, - { MPSC_CTLR_NAME ".1", ev64360_fixup_mpsc_pdata }, -#endif -#if defined(CONFIG_MV643XX_ETH) - { MV643XX_ETH_NAME ".0", ev64360_fixup_eth_pdata }, - { MV643XX_ETH_NAME ".1", ev64360_fixup_eth_pdata }, - { MV643XX_ETH_NAME ".2", ev64360_fixup_eth_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. - * - * FLASH Amount: 0xff000000 - 0xffffffff - * ------------- ----------------------- - * Reserved: 0xff000000 - 0xff03ffff - * JFFS2 file system: 0xff040000 - 0xffefffff - * U-boot: 0xfff00000 - 0xffffffff - */ -static int __init -ev64360_setup_mtd(void) -{ - u32 size; - int ptbl_entries; - static struct mtd_partition *ptbl; - - size = ev64360_flash_size_0 + ev64360_flash_size_1; - if (!size) - return -ENOMEM; - - ptbl_entries = 3; - - if ((ptbl = kzalloc(ptbl_entries * sizeof(struct mtd_partition), - GFP_KERNEL)) == NULL) { - - printk(KERN_WARNING "Can't alloc MTD partition table\n"); - return -ENOMEM; - } - - ptbl[0].name = "reserved"; - ptbl[0].offset = 0; - ptbl[0].size = EV64360_MTD_RESERVED_SIZE; - ptbl[1].name = "jffs2"; - ptbl[1].offset = EV64360_MTD_RESERVED_SIZE; - ptbl[1].size = EV64360_MTD_JFFS2_SIZE; - ptbl[2].name = "U-BOOT"; - ptbl[2].offset = EV64360_MTD_RESERVED_SIZE + EV64360_MTD_JFFS2_SIZE; - ptbl[2].size = EV64360_MTD_UBOOT_SIZE; - - physmap_map.size = size; - physmap_set_partitions(ptbl, ptbl_entries); - return 0; -} - -arch_initcall(ev64360_setup_mtd); -#endif - -static void -ev64360_restart(char *cmd) -{ - ulong i = 0xffffffff; - volatile unsigned char * rtc_base = ioremap(EV64360_RTC_WINDOW_BASE,0x4000); - - /* issue hard reset */ - rtc_base[0xf] = 0x80; - rtc_base[0xc] = 0x00; - rtc_base[0xd] = 0x01; - rtc_base[0xf] = 0x83; - - while (i-- > 0) ; - panic("restart failed\n"); -} - -static void -ev64360_halt(void) -{ - while (1) ; - /* NOTREACHED */ -} - -static void -ev64360_power_off(void) -{ - ev64360_halt(); - /* NOTREACHED */ -} - -static int -ev64360_show_cpuinfo(struct seq_file *m) -{ - seq_printf(m, "vendor\t\t: " BOARD_VENDOR "\n"); - seq_printf(m, "machine\t\t: " BOARD_MACHINE "\n"); - seq_printf(m, "bus speed\t: %dMHz\n", ev64360_bus_frequency/1000/1000); - - return 0; -} - -static void __init -ev64360_calibrate_decr(void) -{ - u32 freq; - - freq = ev64360_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); -} - -unsigned long __init -ev64360_find_end_of_memory(void) -{ - return mv64x60_get_mem_size(CONFIG_MV64X60_NEW_BASE, - MV64x60_TYPE_MV64360); -} - -static inline void -ev64360_set_bat(void) -{ - mb(); - mtspr(SPRN_DBAT2U, 0xf0001ffe); - mtspr(SPRN_DBAT2L, 0xf000002a); - mb(); -} - -#if defined(CONFIG_SERIAL_TEXT_DEBUG) && defined(CONFIG_SERIAL_MPSC_CONSOLE) -static void __init -ev64360_map_io(void) -{ - io_block_mapping(CONFIG_MV64X60_NEW_BASE, \ - CONFIG_MV64X60_NEW_BASE, \ - 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_ISA - isa_mem_base = 0; - #endif - - ppc_md.setup_arch = ev64360_setup_arch; - ppc_md.show_cpuinfo = ev64360_show_cpuinfo; - ppc_md.init_IRQ = mv64360_init_irq; - ppc_md.get_irq = mv64360_get_irq; - ppc_md.restart = ev64360_restart; - ppc_md.power_off = ev64360_power_off; - ppc_md.halt = ev64360_halt; - ppc_md.find_end_of_memory = ev64360_find_end_of_memory; - ppc_md.init = NULL; - - 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; - ppc_md.calibrate_decr = ev64360_calibrate_decr; - -#if defined(CONFIG_SERIAL_TEXT_DEBUG) && defined(CONFIG_SERIAL_MPSC_CONSOLE) - ppc_md.setup_io_mappings = ev64360_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 = ev64360_platform_notify; -#endif - - ev64360_set_bat(); /* Need for ev64360_find_end_of_memory and progress */ -} |
