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Diffstat (limited to 'board/sandburst/common/sb_common.c')
| -rw-r--r-- | board/sandburst/common/sb_common.c | 451 |
1 files changed, 0 insertions, 451 deletions
diff --git a/board/sandburst/common/sb_common.c b/board/sandburst/common/sb_common.c deleted file mode 100644 index 353041667f..0000000000 --- a/board/sandburst/common/sb_common.c +++ /dev/null @@ -1,451 +0,0 @@ -/* - * Copyright (C) 2005 Sandburst Corporation - * - * See file CREDITS for list of people who contributed to this - * project. - * - * 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. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ -#include <config.h> -#include <common.h> -#include <command.h> -#include <asm/processor.h> -#include <asm/io.h> -#include <spd_sdram.h> -#include <i2c.h> -#include "ppc440gx_i2c.h" -#include "sb_common.h" - -long int fixed_sdram (void); - -/************************************************************************* - * metrobox_get_master - * - * PRI_N - active low signal. If the GPIO pin is low we are the master - * - ************************************************************************/ -int sbcommon_get_master(void) -{ - ppc440_gpio_regs_t *gpio_regs; - - gpio_regs = (ppc440_gpio_regs_t *)CFG_GPIO_BASE; - - if (gpio_regs->in & SBCOMMON_GPIO_PRI_N) { - return 0; - } - else { - return 1; - } -} - -/************************************************************************* - * metrobox_secondary_present - * - * Figure out if secondary/slave board is present - * - ************************************************************************/ -int sbcommon_secondary_present(void) -{ - ppc440_gpio_regs_t *gpio_regs; - - gpio_regs = (ppc440_gpio_regs_t *)CFG_GPIO_BASE; - - if (gpio_regs->in & SBCOMMON_GPIO_SEC_PRES) - return 0; - else - return 1; -} - -/************************************************************************* - * sbcommon_get_serial_number - * - * Retrieve the board serial number via the mac address in eeprom - * - ************************************************************************/ -unsigned short sbcommon_get_serial_number(void) -{ - unsigned char buff[0x100]; - unsigned short sernum; - - /* Get the board serial number from eeprom */ - /* Initialize I2C */ - i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE); - - /* Read 256 bytes in EEPROM */ - i2c_read (0x50, 0, 1, buff, 0x100); - - memcpy(&sernum, &buff[0xF4], 2); - sernum /= 32; - - return (sernum); -} - -/************************************************************************* - * sbcommon_fans - * - * Spin up fans 2 & 3 to get some air moving. OS will take care - * of the rest. This is mostly a precaution... - * - * Assumes i2c bus 1 is ready. - * - ************************************************************************/ -void sbcommon_fans(void) -{ - /* - * Attempt to turn on 2 of the fans... - * Need to go through the bridge - */ - puts ("FANS: "); - - /* select fan4 through the bridge */ - i2c_reg_write1(0x73, /* addr */ - 0x00, /* reg */ - 0x08); /* val = bus 4 */ - - /* Turn on FAN 4 */ - i2c_reg_write1(0x2e, - 1, - 0x80); - - i2c_reg_write1(0x2e, - 0, - 0x19); - - /* Deselect bus 4 on the bridge */ - i2c_reg_write1(0x73, - 0x00, - 0x00); - - /* select fan3 through the bridge */ - i2c_reg_write1(0x73, /* addr */ - 0x00, /* reg */ - 0x04); /* val = bus 3 */ - - /* Turn on FAN 3 */ - i2c_reg_write1(0x2e, - 1, - 0x80); - - i2c_reg_write1(0x2e, - 0, - 0x19); - - /* Deselect bus 3 on the bridge */ - i2c_reg_write1(0x73, - 0x00, - 0x00); - - /* select fan2 through the bridge */ - i2c_reg_write1(0x73, /* addr */ - 0x00, /* reg */ - 0x02); /* val = bus 4 */ - - /* Turn on FAN 2 */ - i2c_reg_write1(0x2e, - 1, - 0x80); - - i2c_reg_write1(0x2e, - 0, - 0x19); - - /* Deselect bus 2 on the bridge */ - i2c_reg_write1(0x73, - 0x00, - 0x00); - - /* select fan1 through the bridge */ - i2c_reg_write1(0x73, /* addr */ - 0x00, /* reg */ - 0x01); /* val = bus 0 */ - - /* Turn on FAN 1 */ - i2c_reg_write1(0x2e, - 1, - 0x80); - - i2c_reg_write1(0x2e, - 0, - 0x19); - - /* Deselect bus 1 on the bridge */ - i2c_reg_write1(0x73, - 0x00, - 0x00); - - puts ("on\n"); - - return; - -} - -/************************************************************************* - * initdram - * - * Initialize sdram - * - ************************************************************************/ -long int initdram (int board_type) -{ - long dram_size = 0; - -#if defined(CONFIG_SPD_EEPROM) - dram_size = spd_sdram (0); -#else - dram_size = fixed_sdram (); -#endif - return dram_size; -} - - -/************************************************************************* - * testdram - * - * - ************************************************************************/ -#if defined(CFG_DRAM_TEST) -int testdram (void) -{ - uint *pstart = (uint *) CFG_MEMTEST_START; - uint *pend = (uint *) CFG_MEMTEST_END; - uint *p; - - printf("Testing SDRAM: "); - for (p = pstart; p < pend; p++) - *p = 0xaaaaaaaa; - - for (p = pstart; p < pend; p++) { - if (*p != 0xaaaaaaaa) { - printf ("SDRAM test fails at: %08x\n", (uint) p); - return 1; - } - } - - for (p = pstart; p < pend; p++) - *p = 0x55555555; - - for (p = pstart; p < pend; p++) { - if (*p != 0x55555555) { - printf ("SDRAM test fails at: %08x\n", (uint) p); - return 1; - } - } - - printf("OK\n"); - return 0; -} -#endif - -#if !defined(CONFIG_SPD_EEPROM) -/************************************************************************* - * fixed sdram init -- doesn't use serial presence detect. - * - * Assumes: 128 MB, non-ECC, non-registered - * PLB @ 133 MHz - * - ************************************************************************/ -long int fixed_sdram (void) -{ - uint reg; - - /*-------------------------------------------------------------------- - * Setup some default - *------------------------------------------------------------------*/ - mtsdram (mem_uabba, 0x00000000); /* ubba=0 (default) */ - mtsdram (mem_slio, 0x00000000); /* rdre=0 wrre=0 rarw=0 */ - mtsdram (mem_devopt, 0x00000000); /* dll=0 ds=0 (normal) */ - mtsdram (mem_wddctr, 0x00000000); /* wrcp=0 dcd=0 */ - mtsdram (mem_clktr, 0x40000000); /* clkp=1 (90 deg wr) dcdt=0 */ - - /*-------------------------------------------------------------------- - * Setup for board-specific specific mem - *------------------------------------------------------------------*/ - /* - * Following for CAS Latency = 2.5 @ 133 MHz PLB - */ - mtsdram (mem_b0cr, 0x000a4001); /* SDBA=0x000 128MB, Mode 3, enabled */ - mtsdram (mem_tr0, 0x410a4012); /* WR=2 WD=1 CL=2.5 PA=3 CP=4 LD=2 */ - /* RA=10 RD=3 */ - mtsdram (mem_tr1, 0x8080082f); /* SS=T2 SL=STAGE 3 CD=1 CT=0x02f */ - mtsdram (mem_rtr, 0x08200000); /* Rate 15.625 ns @ 133 MHz PLB */ - mtsdram (mem_cfg1, 0x00000000); /* Self-refresh exit, disable PM */ - udelay (400); /* Delay 200 usecs (min) */ - - /*-------------------------------------------------------------------- - * Enable the controller, then wait for DCEN to complete - *------------------------------------------------------------------*/ - mtsdram (mem_cfg0, 0x86000000); /* DCEN=1, PMUD=1, 64-bit */ - for (;;) { - mfsdram (mem_mcsts, reg); - if (reg & 0x80000000) - break; - } - - return (128 * 1024 * 1024); /* 128 MB */ -} -#endif /* !defined(CONFIG_SPD_EEPROM) */ - - -/************************************************************************* - * pci_pre_init - * - * This routine is called just prior to registering the hose and gives - * the board the opportunity to check things. Returning a value of zero - * indicates that things are bad & PCI initialization should be aborted. - * - * Different boards may wish to customize the pci controller structure - * (add regions, override default access routines, etc) or perform - * certain pre-initialization actions. - * - ************************************************************************/ -#if defined(CONFIG_PCI) && defined(CFG_PCI_PRE_INIT) -int pci_pre_init(struct pci_controller * hose ) -{ - unsigned long strap; - - /*--------------------------------------------------------------------------+ - * The metrobox is always configured as the host & requires the - * PCI arbiter to be enabled. - *--------------------------------------------------------------------------*/ - mfsdr(sdr_sdstp1, strap); - if( (strap & SDR0_SDSTP1_PAE_MASK) == 0 ){ - printf("PCI: SDR0_STRP1[%08lX] - PCI Arbiter disabled.\n",strap); - return 0; - } - - return 1; -} -#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_PRE_INIT) */ - -/************************************************************************* - * pci_target_init - * - * The bootstrap configuration provides default settings for the pci - * inbound map (PIM). But the bootstrap config choices are limited and - * may not be sufficient for a given board. - * - ************************************************************************/ -#if defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) -void pci_target_init(struct pci_controller * hose ) -{ - DECLARE_GLOBAL_DATA_PTR; - - /*--------------------------------------------------------------------------+ - * Disable everything - *--------------------------------------------------------------------------*/ - out32r( PCIX0_PIM0SA, 0 ); /* disable */ - out32r( PCIX0_PIM1SA, 0 ); /* disable */ - out32r( PCIX0_PIM2SA, 0 ); /* disable */ - out32r( PCIX0_EROMBA, 0 ); /* disable expansion rom */ - - /*--------------------------------------------------------------------------+ - * Map all of SDRAM to PCI address 0x0000_0000. Note that the 440 strapping - * options to not support sizes such as 128/256 MB. - *--------------------------------------------------------------------------*/ - out32r( PCIX0_PIM0LAL, CFG_SDRAM_BASE ); - out32r( PCIX0_PIM0LAH, 0 ); - out32r( PCIX0_PIM0SA, ~(gd->ram_size - 1) | 1 ); - - out32r( PCIX0_BAR0, 0 ); - - /*--------------------------------------------------------------------------+ - * Program the board's subsystem id/vendor id - *--------------------------------------------------------------------------*/ - out16r( PCIX0_SBSYSVID, CFG_PCI_SUBSYS_VENDORID ); - out16r( PCIX0_SBSYSID, CFG_PCI_SUBSYS_DEVICEID ); - - out16r( PCIX0_CMD, in16r(PCIX0_CMD) | PCI_COMMAND_MEMORY ); -} -#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) */ - - -/************************************************************************* - * is_pci_host - * - * - ************************************************************************/ -#if defined(CONFIG_PCI) -int is_pci_host(struct pci_controller *hose) -{ - /* The metrobox is always configured as host. */ - return(1); -} -#endif /* defined(CONFIG_PCI) */ - -/************************************************************************* - * board_get_enetaddr - * - * Get the ethernet MAC address for the management ethernet from the - * strap EEPROM. Note that is the BASE address for the range of - * external ethernet MACs on the board. The base + 31 is the actual - * mgmt mac address. - * - ************************************************************************/ -static int macaddr_idx = 0; - -void board_get_enetaddr (uchar * enet) -{ - int i; - unsigned short tmp; - unsigned char buff[0x100], *cp; - - if (0 == macaddr_idx) { - - /* Initialize I2C */ - i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE); - - /* Read 256 bytes in EEPROM */ - i2c_read (0x50, 0, 1, buff, 0x100); - - cp = &buff[0xF0]; - - for (i = 0; i < 6; i++,cp++) - enet[i] = *cp; - - memcpy(&tmp, &enet[4], 2); - tmp += 31; - memcpy(&enet[4], &tmp, 2); - - macaddr_idx++; - } else { - enet[0] = 0x02; - enet[1] = 0x00; - enet[2] = 0x00; - enet[3] = 0x00; - enet[4] = 0x00; - if (1 == sbcommon_get_master() ) { - /* Master/Primary card */ - enet[5] = 0x01; - } else { - /* Slave/Secondary card */ - enet [5] = 0x02; - } - } - - return; -} - -#ifdef CONFIG_POST -/* - * Returns 1 if keys pressed to start the power-on long-running tests - * Called from board_init_f(). - */ -int post_hotkeys_pressed(void) -{ - - return (ctrlc()); -} -#endif |