diff options
Diffstat (limited to 'board/spd8xx/spd8xx.c')
-rw-r--r-- | board/spd8xx/spd8xx.c | 278 |
1 files changed, 0 insertions, 278 deletions
diff --git a/board/spd8xx/spd8xx.c b/board/spd8xx/spd8xx.c deleted file mode 100644 index d3320bb..0000000 --- a/board/spd8xx/spd8xx.c +++ /dev/null @@ -1,278 +0,0 @@ -/* - * (C) Copyright 2000 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * Ulrich Lutz, Speech Design GmbH, ulutz@datalab.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <mpc8xx.h> -#include <commproc.h> - -/* ------------------------------------------------------------------------- */ - -static long int dram_size (long int, long int *, long int); - -/* ------------------------------------------------------------------------- */ - -#define _NOT_USED_ 0xFFFFFFFF - -const uint sharc_table[] = { - /* - * Single Read. (Offset 0 in UPM RAM) - */ - 0x0FF3FC04, 0x0FF3EC00, 0x7FFFEC04, 0xFFFFEC04, - 0xFFFFEC05, /* last */ - _NOT_USED_, _NOT_USED_, _NOT_USED_, - /* - * Burst Read. (Offset 8 in UPM RAM) - */ - /* last */ - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - /* - * Single Write. (Offset 18 in UPM RAM) - */ - 0x0FAFFC04, 0x0FAFEC00, 0x7FFFEC04, 0xFFFFEC04, - 0xFFFFEC05, /* last */ - _NOT_USED_, _NOT_USED_, _NOT_USED_, - /* - * Burst Write. (Offset 20 in UPM RAM) - */ - /* last */ - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - /* - * Refresh (Offset 30 in UPM RAM) - */ - /* last */ - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - /* - * Exception. (Offset 3c in UPM RAM) - */ - 0x7FFFFC07, /* last */ - _NOT_USED_, _NOT_USED_, _NOT_USED_, -}; - - -const uint sdram_table[] = { - /* - * Single Read. (Offset 0 in UPM RAM) - */ - 0x1F07FC04, 0xEEAEFC04, 0x11ADFC04, 0xEFBBBC00, - 0x1FF77C47, /* last */ - /* - * SDRAM Initialization (offset 5 in UPM RAM) - * - * This is no UPM entry point. The following definition uses - * the remaining space to establish an initialization - * sequence, which is executed by a RUN command. - * - */ - 0x1FF77C35, 0xEFEABC34, 0x1FB57C35, /* last */ - /* - * Burst Read. (Offset 8 in UPM RAM) - */ - 0x1F07FC04, 0xEEAEFC04, 0x10ADFC04, 0xF0AFFC00, - 0xF0AFFC00, 0xF1AFFC00, 0xEFBBBC00, 0x1FF77C47, /* last */ - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - /* - * Single Write. (Offset 18 in UPM RAM) - */ - 0x1F27FC04, 0xEEAEBC00, 0x01B93C04, 0x1FF77C47, /* last */ - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - /* - * Burst Write. (Offset 20 in UPM RAM) - */ - 0x1F07FC04, 0xEEAEBC00, 0x10AD7C00, 0xF0AFFC00, - 0xF0AFFC00, 0xE1BBBC04, 0x1FF77C47, /* last */ - _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - /* - * Refresh (Offset 30 in UPM RAM) - */ - 0x1FF5FC84, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04, - 0xFFFFFC84, 0xFFFFFC07, /* last */ - _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - /* - * Exception. (Offset 3c in UPM RAM) - */ - 0x7FFFFC07, /* last */ - _NOT_USED_, _NOT_USED_, _NOT_USED_, -}; - -/* ------------------------------------------------------------------------- */ - - -/* - * Check Board Identity: - * - */ - -int checkboard (void) -{ - puts ("Board: SPD823TS\n"); - return (0); -} - -/* ------------------------------------------------------------------------- */ - -phys_size_t initdram (int board_type) -{ - volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; - volatile memctl8xx_t *memctl = &immap->im_memctl; - long int size_b0; - -#if 0 - /* - * Map controller bank 2 to the SRAM bank at preliminary address. - */ - memctl->memc_or2 = CONFIG_SYS_OR2; - memctl->memc_br2 = CONFIG_SYS_BR2; -#endif - - /* - * Map controller bank 4 to the PER8 bank. - */ - memctl->memc_or4 = CONFIG_SYS_OR4; - memctl->memc_br4 = CONFIG_SYS_BR4; - -#if 0 - /* Configure SHARC at UMA */ - upmconfig (UPMA, (uint *) sharc_table, - sizeof (sharc_table) / sizeof (uint)); - /* Map controller bank 5 to the SHARC */ - memctl->memc_or5 = CONFIG_SYS_OR5; - memctl->memc_br5 = CONFIG_SYS_BR5; -#endif - - memctl->memc_mamr = 0x00001000; - - /* Configure SDRAM at UMB */ - upmconfig (UPMB, (uint *) sdram_table, - sizeof (sdram_table) / sizeof (uint)); - - memctl->memc_mptpr = CONFIG_SYS_MPTPR_1BK_8K; - - memctl->memc_mar = 0x00000088; - - /* - * Map controller bank 3 to the SDRAM bank at preliminary address. - */ - memctl->memc_or3 = CONFIG_SYS_OR3_PRELIM; - memctl->memc_br3 = CONFIG_SYS_BR3_PRELIM; - - memctl->memc_mbmr = CONFIG_SYS_MBMR_8COL; /* refresh not enabled yet */ - - udelay (200); - memctl->memc_mcr = 0x80806105; - udelay (1); - memctl->memc_mcr = 0x80806130; - udelay (1); - memctl->memc_mcr = 0x80806130; - udelay (1); - memctl->memc_mcr = 0x80806106; - - memctl->memc_mbmr |= MBMR_PTBE; /* refresh enabled */ - - /* - * Check Bank 0 Memory Size for re-configuration - */ - size_b0 = - dram_size (CONFIG_SYS_MBMR_8COL, SDRAM_BASE3_PRELIM, - SDRAM_MAX_SIZE); - - memctl->memc_mbmr = CONFIG_SYS_MBMR_8COL | MBMR_PTBE; - - return (size_b0); -} - -/* ------------------------------------------------------------------------- */ - -/* - * Check memory range for valid RAM. A simple memory test determines - * the actually available RAM size between addresses `base' and - * `base + maxsize'. Some (not all) hardware errors are detected: - * - short between address lines - * - short between data lines - */ - -static long int dram_size (long int mamr_value, long int *base, - long int maxsize) -{ - volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; - volatile memctl8xx_t *memctl = &immap->im_memctl; - - memctl->memc_mbmr = mamr_value; - - return (get_ram_size (base, maxsize)); -} - -/* ------------------------------------------------------------------------- */ - -void reset_phy (void) -{ - immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; - ushort sreg; - - /* Configure extra port pins for NS DP83843 PHY */ - immr->im_ioport.iop_papar &= ~(PA_ENET_MDC | PA_ENET_MDIO); - - sreg = immr->im_ioport.iop_padir; - sreg |= PA_ENET_MDC; /* Mgmt. Data Clock is Output */ - sreg &= ~(PA_ENET_MDIO); /* Mgmt. Data I/O is bidirect. => Input */ - immr->im_ioport.iop_padir = sreg; - - immr->im_ioport.iop_padat &= ~(PA_ENET_MDC); /* set MDC = 0 */ - - /* - * RESET in implemented by a positive pulse of at least 1 us - * at the reset pin. - * - * Configure RESET pins for NS DP83843 PHY, and RESET chip. - * - * Note: The RESET pin is high active, but there is an - * inverter on the SPD823TS board... - */ - immr->im_ioport.iop_pcpar &= ~(PC_ENET_RESET); - immr->im_ioport.iop_pcdir |= PC_ENET_RESET; - /* assert RESET signal of PHY */ - immr->im_ioport.iop_pcdat &= ~(PC_ENET_RESET); - udelay (10); - /* de-assert RESET signal of PHY */ - immr->im_ioport.iop_pcdat |= PC_ENET_RESET; - udelay (10); -} - -/* ------------------------------------------------------------------------- */ - -void ide_set_reset (int on) -{ - volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; - - /* - * Configure PC for IDE Reset Pin - */ - if (on) { /* assert RESET */ - immr->im_ioport.iop_pcdat &= ~(CONFIG_SYS_PC_IDE_RESET); - } else { /* release RESET */ - immr->im_ioport.iop_pcdat |= CONFIG_SYS_PC_IDE_RESET; - } - - /* program port pin as GPIO output */ - immr->im_ioport.iop_pcpar &= ~(CONFIG_SYS_PC_IDE_RESET); - immr->im_ioport.iop_pcso &= ~(CONFIG_SYS_PC_IDE_RESET); - immr->im_ioport.iop_pcdir |= CONFIG_SYS_PC_IDE_RESET; -} - -/* ------------------------------------------------------------------------- */ |