X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=board%2Famcc%2Febony%2Febony.c;h=eb424489ef750fc84124c4047afbfe51602bd548;hb=3765b3e7bd0f8e46914d417f29cbcb0c72b1acf7;hp=ededb3e7e11c79411451c10a11bf7b2081889491;hpb=d1bc6c8d5f4a9c7ca9fb2292d5c65f846dcc3995;p=platform%2Fkernel%2Fu-boot.git diff --git a/board/amcc/ebony/ebony.c b/board/amcc/ebony/ebony.c index ededb3e..eb42448 100644 --- a/board/amcc/ebony/ebony.c +++ b/board/amcc/ebony/ebony.c @@ -1,23 +1,7 @@ /* * Copyright (C) 2002 Scott McNutt * - * 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 + * SPDX-License-Identifier: GPL-2.0+ */ #include @@ -35,76 +19,77 @@ long int fixed_sdram(void); int board_early_init_f(void) { uint reg; - unsigned char *fpga_base = (unsigned char *)CFG_FPGA_BASE; + unsigned char *fpga_base = (unsigned char *)CONFIG_SYS_FPGA_BASE; unsigned char status; /*-------------------------------------------------------------------- * Setup the external bus controller/chip selects *-------------------------------------------------------------------*/ - mtdcr(ebccfga, xbcfg); - reg = mfdcr(ebccfgd); - mtdcr(ebccfgd, reg | 0x04000000); /* Set ATC */ + mtdcr(EBC0_CFGADDR, EBC0_CFG); + reg = mfdcr(EBC0_CFGDATA); + mtdcr(EBC0_CFGDATA, reg | 0x04000000); /* Set ATC */ - mtebc(pb1ap, 0x02815480); /* NVRAM/RTC */ - mtebc(pb1cr, 0x48018000); /* BA=0x480 1MB R/W 8-bit */ - mtebc(pb7ap, 0x01015280); /* FPGA registers */ - mtebc(pb7cr, 0x48318000); /* BA=0x483 1MB R/W 8-bit */ + mtebc(PB1AP, 0x02815480); /* NVRAM/RTC */ + mtebc(PB1CR, 0x48018000); /* BA=0x480 1MB R/W 8-bit */ + mtebc(PB7AP, 0x01015280); /* FPGA registers */ + mtebc(PB7CR, 0x48318000); /* BA=0x483 1MB R/W 8-bit */ /* read FPGA_REG0 and set the bus controller */ status = *fpga_base; if ((status & BOOT_SMALL_FLASH) && !(status & FLASH_ONBD_N)) { - mtebc(pb0ap, 0x9b015480); /* FLASH/SRAM */ - mtebc(pb0cr, 0xfff18000); /* BAS=0xfff 1MB R/W 8-bit */ - mtebc(pb2ap, 0x9b015480); /* 4MB FLASH */ - mtebc(pb2cr, 0xff858000); /* BAS=0xff8 4MB R/W 8-bit */ + mtebc(PB0AP, 0x9b015480); /* FLASH/SRAM */ + mtebc(PB0CR, 0xfff18000); /* BAS=0xfff 1MB R/W 8-bit */ + mtebc(PB2AP, 0x9b015480); /* 4MB FLASH */ + mtebc(PB2CR, 0xff858000); /* BAS=0xff8 4MB R/W 8-bit */ } else { - mtebc(pb0ap, 0x9b015480); /* 4MB FLASH */ - mtebc(pb0cr, 0xffc58000); /* BAS=0xffc 4MB R/W 8-bit */ + mtebc(PB0AP, 0x9b015480); /* 4MB FLASH */ + mtebc(PB0CR, 0xffc58000); /* BAS=0xffc 4MB R/W 8-bit */ /* set CS2 if FLASH_ONBD_N == 0 */ if (!(status & FLASH_ONBD_N)) { - mtebc(pb2ap, 0x9b015480); /* FLASH/SRAM */ - mtebc(pb2cr, 0xff818000); /* BAS=0xff8 4MB R/W 8-bit */ + mtebc(PB2AP, 0x9b015480); /* FLASH/SRAM */ + mtebc(PB2CR, 0xff818000); /* BAS=0xff8 4MB R/W 8-bit */ } } /*-------------------------------------------------------------------- * Setup the interrupt controller polarities, triggers, etc. *-------------------------------------------------------------------*/ - mtdcr(uic0sr, 0xffffffff); /* clear all */ - mtdcr(uic0er, 0x00000000); /* disable all */ - mtdcr(uic0cr, 0x00000009); /* SMI & UIC1 crit are critical */ - mtdcr(uic0pr, 0xfffffe13); /* per ref-board manual */ - mtdcr(uic0tr, 0x01c00008); /* per ref-board manual */ - mtdcr(uic0vr, 0x00000001); /* int31 highest, base=0x000 */ - mtdcr(uic0sr, 0xffffffff); /* clear all */ - - mtdcr(uic1sr, 0xffffffff); /* clear all */ - mtdcr(uic1er, 0x00000000); /* disable all */ - mtdcr(uic1cr, 0x00000000); /* all non-critical */ - mtdcr(uic1pr, 0xffffe0ff); /* per ref-board manual */ - mtdcr(uic1tr, 0x00ffc000); /* per ref-board manual */ - mtdcr(uic1vr, 0x00000001); /* int31 highest, base=0x000 */ - mtdcr(uic1sr, 0xffffffff); /* clear all */ + mtdcr(UIC0SR, 0xffffffff); /* clear all */ + mtdcr(UIC0ER, 0x00000000); /* disable all */ + mtdcr(UIC0CR, 0x00000009); /* SMI & UIC1 crit are critical */ + mtdcr(UIC0PR, 0xfffffe13); /* per ref-board manual */ + mtdcr(UIC0TR, 0x01c00008); /* per ref-board manual */ + mtdcr(UIC0VR, 0x00000001); /* int31 highest, base=0x000 */ + mtdcr(UIC0SR, 0xffffffff); /* clear all */ + + mtdcr(UIC1SR, 0xffffffff); /* clear all */ + mtdcr(UIC1ER, 0x00000000); /* disable all */ + mtdcr(UIC1CR, 0x00000000); /* all non-critical */ + mtdcr(UIC1PR, 0xffffe0ff); /* per ref-board manual */ + mtdcr(UIC1TR, 0x00ffc000); /* per ref-board manual */ + mtdcr(UIC1VR, 0x00000001); /* int31 highest, base=0x000 */ + mtdcr(UIC1SR, 0xffffffff); /* clear all */ return 0; } int checkboard(void) { - char *s = getenv("serial#"); + char buf[64]; + int i = getenv_f("serial#", buf, sizeof(buf)); printf("Board: Ebony - AMCC PPC440GP Evaluation Board"); - if (s != NULL) { + if (i > 0) { puts(", serial# "); - puts(s); + puts(buf); } putc('\n'); return (0); } -long int initdram(int board_type) +phys_size_t initdram(int board_type) { long dram_size = 0; @@ -116,36 +101,6 @@ long int initdram(int board_type) return dram_size; } -#if defined(CFG_DRAM_TEST) -int testdram(void) -{ - uint *pstart = (uint *) 0x00000000; - uint *pend = (uint *) 0x08000000; - uint *p; - - 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; - } - } - return 0; -} -#endif - #if !defined(CONFIG_SPD_EEPROM) /************************************************************************* * fixed sdram init -- doesn't use serial presence detect. @@ -161,11 +116,11 @@ long int fixed_sdram(void) /*-------------------------------------------------------------------- * 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 */ + mtsdram(SDRAM0_UABBA, 0x00000000); /* ubba=0 (default) */ + mtsdram(SDRAM0_SLIO, 0x00000000); /* rdre=0 wrre=0 rarw=0 */ + mtsdram(SDRAM0_DEVOPT, 0x00000000); /* dll=0 ds=0 (normal) */ + mtsdram(SDRAM0_WDDCTR, 0x00000000); /* wrcp=0 dcd=0 */ + mtsdram(SDRAM0_CLKTR, 0x40000000); /* clkp=1 (90 deg wr) dcdt=0 */ /*-------------------------------------------------------------------- * Setup for board-specific specific mem @@ -173,20 +128,20 @@ long int fixed_sdram(void) /* * 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 */ + mtsdram(SDRAM0_B0CR, 0x000a4001); /* SDBA=0x000 128MB, Mode 3, enabled */ + mtsdram(SDRAM0_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 */ + mtsdram(SDRAM0_TR1, 0x8080082f); /* SS=T2 SL=STAGE 3 CD=1 CT=0x02f */ + mtsdram(SDRAM0_RTR, 0x08200000); /* Rate 15.625 ns @ 133 MHz PLB */ + mtsdram(SDRAM0_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 */ + mtsdram(SDRAM0_CFG0, 0x86000000); /* DCEN=1, PMUD=1, 64-bit */ for (;;) { - mfsdram(mem_mcsts, reg); + mfsdram(SDRAM0_MCSTS, reg); if (reg & 0x80000000) break; } @@ -194,96 +149,3 @@ long int fixed_sdram(void) 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) -int pci_pre_init(struct pci_controller *hose) -{ - unsigned long strap; - - /*--------------------------------------------------------------------------+ - * The ebony board is always configured as the host & requires the - * PCI arbiter to be enabled. - *--------------------------------------------------------------------------*/ - strap = mfdcr(cpc0_strp1); - if ((strap & 0x00100000) == 0) { - printf("PCI: CPC0_STRP1[PAE] not set.\n"); - return 0; - } - - return 1; -} -#endif /* defined(CONFIG_PCI) */ - -/************************************************************************* - * 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) -{ - /*--------------------------------------------------------------------------+ - * 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 - * - * This routine is called to determine if a pci scan should be - * performed. With various hardware environments (especially cPCI and - * PPMC) it's insufficient to depend on the state of the arbiter enable - * bit in the strap register, or generic host/adapter assumptions. - * - * Rather than hard-code a bad assumption in the general 440 code, the - * 440 pci code requires the board to decide at runtime. - * - * Return 0 for adapter mode, non-zero for host (monarch) mode. - * - * - ************************************************************************/ -#if defined(CONFIG_PCI) -int is_pci_host(struct pci_controller *hose) -{ - /* The ebony board is always configured as host. */ - return (1); -} -#endif /* defined(CONFIG_PCI) */