X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=board%2Famcc%2Fluan%2Fluan.c;h=f98231a8da6cd9c73611df4b52c78d4ea7ad2304;hb=235c5b8315c6a9eb566fd3d99a098cc6db869fc5;hp=d2a3b9ec3d49760e15a3a43f872ed3680a2f2390;hpb=c1b7c70083fc8d0bb77db20dd47bb6c988f3dc67;p=platform%2Fkernel%2Fu-boot.git diff --git a/board/amcc/luan/luan.c b/board/amcc/luan/luan.c index d2a3b9e..f98231a 100644 --- a/board/amcc/luan/luan.c +++ b/board/amcc/luan/luan.c @@ -2,28 +2,12 @@ * (C) Copyright 2005 * John Otken, jotken@softadvances.com * - * 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 #include -#include +#include #include #include #include @@ -42,34 +26,34 @@ int board_early_init_f(void) { u32 mfr; - mtebc( pb0ap, 0x03800000 ); /* set chip selects */ - mtebc( pb0cr, 0xffc58000 ); /* ebc0_b0cr, 4MB at 0xffc00000 CS0 */ - mtebc( pb1ap, 0x03800000 ); - mtebc( pb1cr, 0xff018000 ); /* ebc0_b1cr, 1MB at 0xff000000 CS1 */ - mtebc( pb2ap, 0x03800000 ); - mtebc( pb2cr, 0xff838000 ); /* ebc0_b2cr, 2MB at 0xff800000 CS2 */ - - mtdcr( uic1sr, 0xffffffff ); /* Clear all interrupts */ - mtdcr( uic1er, 0x00000000 ); /* disable all interrupts */ - mtdcr( uic1cr, 0x00000000 ); /* Set Critical / Non Critical interrupts */ - mtdcr( uic1pr, 0x7fff83ff ); /* Set Interrupt Polarities */ - mtdcr( uic1tr, 0x001f8000 ); /* Set Interrupt Trigger Levels */ - mtdcr( uic1vr, 0x00000001 ); /* Set Vect base=0,INT31 Highest priority */ - mtdcr( uic1sr, 0x00000000 ); /* clear all interrupts */ - mtdcr( uic1sr, 0xffffffff ); - - mtdcr( uic0sr, 0xffffffff ); /* Clear all interrupts */ - mtdcr( uic0er, 0x00000000 ); /* disable all interrupts excepted cascade */ - mtdcr( uic0cr, 0x00000001 ); /* Set Critical / Non Critical interrupts */ - mtdcr( uic0pr, 0xffffffff ); /* Set Interrupt Polarities */ - mtdcr( uic0tr, 0x01000004 ); /* Set Interrupt Trigger Levels */ - mtdcr( uic0vr, 0x00000001 ); /* Set Vect base=0,INT31 Highest priority */ - mtdcr( uic0sr, 0x00000000 ); /* clear all interrupts */ - mtdcr( uic0sr, 0xffffffff ); - - mfsdr(sdr_mfr, mfr); + mtebc( PB0AP, 0x03800000 ); /* set chip selects */ + mtebc( PB0CR, 0xffc58000 ); /* ebc0_b0cr, 4MB at 0xffc00000 CS0 */ + mtebc( PB1AP, 0x03800000 ); + mtebc( PB1CR, 0xff018000 ); /* ebc0_b1cr, 1MB at 0xff000000 CS1 */ + mtebc( PB2AP, 0x03800000 ); + mtebc( PB2CR, 0xff838000 ); /* ebc0_b2cr, 2MB at 0xff800000 CS2 */ + + mtdcr( UIC1SR, 0xffffffff ); /* Clear all interrupts */ + mtdcr( UIC1ER, 0x00000000 ); /* disable all interrupts */ + mtdcr( UIC1CR, 0x00000000 ); /* Set Critical / Non Critical interrupts */ + mtdcr( UIC1PR, 0x7fff83ff ); /* Set Interrupt Polarities */ + mtdcr( UIC1TR, 0x001f8000 ); /* Set Interrupt Trigger Levels */ + mtdcr( UIC1VR, 0x00000001 ); /* Set Vect base=0,INT31 Highest priority */ + mtdcr( UIC1SR, 0x00000000 ); /* clear all interrupts */ + mtdcr( UIC1SR, 0xffffffff ); + + mtdcr( UIC0SR, 0xffffffff ); /* Clear all interrupts */ + mtdcr( UIC0ER, 0x00000000 ); /* disable all interrupts excepted cascade */ + mtdcr( UIC0CR, 0x00000001 ); /* Set Critical / Non Critical interrupts */ + mtdcr( UIC0PR, 0xffffffff ); /* Set Interrupt Polarities */ + mtdcr( UIC0TR, 0x01000004 ); /* Set Interrupt Trigger Levels */ + mtdcr( UIC0VR, 0x00000001 ); /* Set Vect base=0,INT31 Highest priority */ + mtdcr( UIC0SR, 0x00000000 ); /* clear all interrupts */ + mtdcr( UIC0SR, 0xffffffff ); + + mfsdr(SDR0_MFR, mfr); mfr |= SDR0_MFR_FIXD; /* Workaround for PCI/DMA */ - mtsdr(sdr_mfr, mfr); + mtsdr(SDR0_MFR, mfr); return 0; } @@ -105,13 +89,14 @@ int misc_init_r(void) ************************************************************************/ int checkboard(void) { - char *s = getenv("serial#"); + char buf[64]; + int i = getenv_f("serial#", buf, sizeof(buf)); printf("Board: Luan - AMCC PPC440SP Evaluation Board"); - if (s != NULL) { + if (i > 0) { puts(", serial# "); - puts(s); + puts(buf); } putc('\n'); @@ -119,7 +104,7 @@ int checkboard(void) } /* - * Override the default functions in cpu/ppc4xx/44x_spd_ddr2.c with + * Override the default functions in arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c with * board specific values. */ u32 ddr_clktr(u32 default_val) { @@ -127,102 +112,6 @@ u32 ddr_clktr(u32 default_val) { } /************************************************************************* - * 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 luan board 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) */ - - -/************************************************************************* - * 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(CONFIG_SYS_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, CONFIG_SYS_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, CONFIG_SYS_PCI_SUBSYS_VENDORID ); - out16r( PCIX0_SBSYSID, CONFIG_SYS_PCI_SUBSYS_DEVICEID ); - - out16r( PCIX0_CMD, in16r(PCIX0_CMD) | PCI_COMMAND_MEMORY ); -} -#endif /* defined(CONFIG_PCI) && defined(CONFIG_SYS_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) -{ - return 1; -} -#endif /* defined(CONFIG_PCI) */ - - -/************************************************************************* * hw_watchdog_reset * * This routine is called to reset (keep alive) the watchdog timer @@ -272,7 +161,7 @@ static void l2cache_enable(void) /* see p258 7.4.1 Enabling L2 Cache */ mtdcr( L2_CACHE_CMD, 0x80000000 ); /* issue HCLEAR command via L2_CMD */ - while (!(mfdcr( L2_CACHE_STAT ) & 0x80000000 )) ;; /* poll L2_SR for completion */ + while (!(mfdcr( L2_CACHE_STAT ) & 0x80000000 )) ; /* poll L2_SR for completion */ mtdcr( L2_CACHE_CMD, 0x10000000 ); /* clear cache errors L2_CMD[CCP] */ @@ -303,7 +192,7 @@ static int l2cache_status(void) * int do_l2cache() * ************************************************************************/ -int do_l2cache( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] ) +int do_l2cache( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[] ) { switch (argc) { case 2: /* on / off */ @@ -319,8 +208,7 @@ int do_l2cache( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] ) l2cache_status() ? "ON" : "OFF"); return 0; default: - cmd_usage(cmdtp); - return 1; + return cmd_usage(cmdtp); } return 0; @@ -331,5 +219,5 @@ U_BOOT_CMD( l2cache, 2, 1, do_l2cache, "enable or disable L2 cache", "[on, off]\n" - " - enable or disable L2 cache\n" - ); + " - enable or disable L2 cache" +);