diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/zylonite/Makefile | 51 | ||||
| -rw-r--r-- | board/zylonite/config.mk | 4 | ||||
| -rw-r--r-- | board/zylonite/flash.c | 432 | ||||
| -rw-r--r-- | board/zylonite/lowlevel_init.S | 373 | ||||
| -rw-r--r-- | board/zylonite/nand.c | 562 | ||||
| -rw-r--r-- | board/zylonite/zylonite.c | 82 |
6 files changed, 0 insertions, 1504 deletions
diff --git a/board/zylonite/Makefile b/board/zylonite/Makefile deleted file mode 100644 index 3e57e49..0000000 --- a/board/zylonite/Makefile +++ /dev/null @@ -1,51 +0,0 @@ -# -# (C) Copyright 2000-2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# 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 $(TOPDIR)/config.mk - -LIB = $(obj)lib$(BOARD).o - -COBJS := zylonite.o nand.o -SOBJS := lowlevel_init.o - -SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) -OBJS := $(addprefix $(obj),$(COBJS)) -SOBJS := $(addprefix $(obj),$(SOBJS)) - -$(LIB): $(obj).depend $(OBJS) $(SOBJS) - $(call cmd_link_o_target, $(OBJS) $(SOBJS)) - -clean: - rm -f $(SOBJS) $(OBJS) - -distclean: clean - rm -f $(LIB) core *.bak $(obj).depend - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -######################################################################### diff --git a/board/zylonite/config.mk b/board/zylonite/config.mk deleted file mode 100644 index 954f46e..0000000 --- a/board/zylonite/config.mk +++ /dev/null @@ -1,4 +0,0 @@ -#CONFIG_SYS_TEXT_BASE = 0x0 -#CONFIG_SYS_TEXT_BASE = 0xa1700000 -#CONFIG_SYS_TEXT_BASE = 0xa3080000 -CONFIG_SYS_TEXT_BASE = 0xa3008000 diff --git a/board/zylonite/flash.c b/board/zylonite/flash.c deleted file mode 100644 index 3ee0ab8..0000000 --- a/board/zylonite/flash.c +++ /dev/null @@ -1,432 +0,0 @@ -/* - * (C) Copyright 2001 - * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net - * - * (C) Copyright 2001 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * 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 <common.h> -#include <linux/byteorder/swab.h> - - -flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ - -/* Board support for 1 or 2 flash devices */ -#define FLASH_PORT_WIDTH32 -#undef FLASH_PORT_WIDTH16 - -#ifdef FLASH_PORT_WIDTH16 -#define FLASH_PORT_WIDTH ushort -#define FLASH_PORT_WIDTHV vu_short -#define SWAP(x) __swab16(x) -#else -#define FLASH_PORT_WIDTH ulong -#define FLASH_PORT_WIDTHV vu_long -#define SWAP(x) __swab32(x) -#endif - -#define FPW FLASH_PORT_WIDTH -#define FPWV FLASH_PORT_WIDTHV - -#define mb() __asm__ __volatile__ ("" : : : "memory") - -/*----------------------------------------------------------------------- - * Functions - */ -static ulong flash_get_size (FPW *addr, flash_info_t *info); -static int write_data (flash_info_t *info, ulong dest, FPW data); -static void flash_get_offsets (ulong base, flash_info_t *info); -void inline spin_wheel (void); - -/*----------------------------------------------------------------------- - */ - -unsigned long flash_init (void) -{ -#if 0 - int i; - ulong size = 0; - - for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) { - switch (i) { - case 0: - flash_get_size ((FPW *) PHYS_FLASH_1, &flash_info[i]); - flash_get_offsets (PHYS_FLASH_1, &flash_info[i]); - break; - case 1: - flash_get_size ((FPW *) PHYS_FLASH_2, &flash_info[i]); - flash_get_offsets (PHYS_FLASH_2, &flash_info[i]); - break; - default: - panic ("configured too many flash banks!\n"); - break; - } - size += flash_info[i].size; - } - - /* Protect monitor and environment sectors - */ - flash_protect ( FLAG_PROTECT_SET, - CONFIG_SYS_FLASH_BASE, - CONFIG_SYS_FLASH_BASE + monitor_flash_len - 1, - &flash_info[0] ); - - flash_protect ( FLAG_PROTECT_SET, - CONFIG_ENV_ADDR, - CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1, &flash_info[0] ); - - return size; -#endif - return 0; -} - -/*----------------------------------------------------------------------- - */ -static void flash_get_offsets (ulong base, flash_info_t *info) -{ - int i; - - if (info->flash_id == FLASH_UNKNOWN) { - return; - } - - if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) { - for (i = 0; i < info->sector_count; i++) { - info->start[i] = base + (i * PHYS_FLASH_SECT_SIZE); - info->protect[i] = 0; - } - } -} - -/*----------------------------------------------------------------------- - */ -void flash_print_info (flash_info_t *info) -{ - int i; - - if (info->flash_id == FLASH_UNKNOWN) { - printf ("missing or unknown FLASH type\n"); - return; - } - - switch (info->flash_id & FLASH_VENDMASK) { - case FLASH_MAN_INTEL: - printf ("INTEL "); - break; - default: - printf ("Unknown Vendor "); - break; - } - - switch (info->flash_id & FLASH_TYPEMASK) { - case FLASH_28F128J3A: - printf ("28F128J3A\n"); - break; - default: - printf ("Unknown Chip Type\n"); - break; - } - - printf (" Size: %ld MB in %d Sectors\n", - info->size >> 20, info->sector_count); - - printf (" Sector Start Addresses:"); - for (i = 0; i < info->sector_count; ++i) { - if ((i % 5) == 0) - printf ("\n "); - printf (" %08lX%s", - info->start[i], - info->protect[i] ? " (RO)" : " "); - } - printf ("\n"); - return; -} - -/* - * The following code cannot be run from FLASH! - */ -static ulong flash_get_size (FPW *addr, flash_info_t *info) -{ - volatile FPW value; - - /* Write auto select command: read Manufacturer ID */ - addr[0x5555] = (FPW) 0x00AA00AA; - addr[0x2AAA] = (FPW) 0x00550055; - addr[0x5555] = (FPW) 0x00900090; - - mb (); - value = addr[0]; - - switch (value) { - - case (FPW) INTEL_MANUFACT: - info->flash_id = FLASH_MAN_INTEL; - break; - - default: - info->flash_id = FLASH_UNKNOWN; - info->sector_count = 0; - info->size = 0; - addr[0] = (FPW) 0x00FF00FF; /* restore read mode */ - return (0); /* no or unknown flash */ - } - - mb (); - value = addr[1]; /* device ID */ - - switch (value) { - - case (FPW) INTEL_ID_28F128J3A: - info->flash_id += FLASH_28F128J3A; - info->sector_count = 128; - info->size = 0x02000000; - break; /* => 16 MB */ - - default: - info->flash_id = FLASH_UNKNOWN; - break; - } - - if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) { - printf ("** ERROR: sector count %d > max (%d) **\n", - info->sector_count, CONFIG_SYS_MAX_FLASH_SECT); - info->sector_count = CONFIG_SYS_MAX_FLASH_SECT; - } - - addr[0] = (FPW) 0x00FF00FF; /* restore read mode */ - - return (info->size); -} - - -/*----------------------------------------------------------------------- - */ - -int flash_erase (flash_info_t *info, int s_first, int s_last) -{ - int flag, prot, sect; - ulong type, start; - int rcode = 0; - - if ((s_first < 0) || (s_first > s_last)) { - if (info->flash_id == FLASH_UNKNOWN) { - printf ("- missing\n"); - } else { - printf ("- no sectors to erase\n"); - } - return 1; - } - - type = (info->flash_id & FLASH_VENDMASK); - if ((type != FLASH_MAN_INTEL)) { - printf ("Can't erase unknown flash type %08lx - aborted\n", - info->flash_id); - return 1; - } - - prot = 0; - for (sect = s_first; sect <= s_last; ++sect) { - if (info->protect[sect]) { - prot++; - } - } - - if (prot) { - printf ("- Warning: %d protected sectors will not be erased!\n", - prot); - } else { - printf ("\n"); - } - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts (); - - /* Start erase on unprotected sectors */ - for (sect = s_first; sect <= s_last; sect++) { - if (info->protect[sect] == 0) { /* not protected */ - FPWV *addr = (FPWV *) (info->start[sect]); - FPW status; - - printf ("Erasing sector %2d ... ", sect); - - /* arm simple, non interrupt dependent timer */ - start = get_timer(0); - - *addr = (FPW) 0x00500050; /* clear status register */ - *addr = (FPW) 0x00200020; /* erase setup */ - *addr = (FPW) 0x00D000D0; /* erase confirm */ - - while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) { - if (get_timer(start) > CONFIG_SYS_FLASH_ERASE_TOUT) { - printf ("Timeout\n"); - *addr = (FPW) 0x00B000B0; /* suspend erase */ - *addr = (FPW) 0x00FF00FF; /* reset to read mode */ - rcode = 1; - break; - } - } - - *addr = 0x00500050; /* clear status register cmd. */ - *addr = 0x00FF00FF; /* resest to read mode */ - - printf (" done\n"); - } - } - return rcode; -} - -/*----------------------------------------------------------------------- - * Copy memory to flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - * 4 - Flash not identified - */ - -int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) -{ - ulong cp, wp; - FPW data; - int count, i, l, rc, port_width; - - if (info->flash_id == FLASH_UNKNOWN) { - return 4; - } -/* get lower word aligned address */ -#ifdef FLASH_PORT_WIDTH16 - wp = (addr & ~1); - port_width = 2; -#else - wp = (addr & ~3); - port_width = 4; -#endif - - /* - * handle unaligned start bytes - */ - if ((l = addr - wp) != 0) { - data = 0; - for (i = 0, cp = wp; i < l; ++i, ++cp) { - data = (data << 8) | (*(uchar *) cp); - } - for (; i < port_width && cnt > 0; ++i) { - data = (data << 8) | *src++; - --cnt; - ++cp; - } - for (; cnt == 0 && i < port_width; ++i, ++cp) { - data = (data << 8) | (*(uchar *) cp); - } - - if ((rc = write_data (info, wp, SWAP (data))) != 0) { - return (rc); - } - wp += port_width; - } - - /* - * handle word aligned part - */ - count = 0; - while (cnt >= port_width) { - data = 0; - for (i = 0; i < port_width; ++i) { - data = (data << 8) | *src++; - } - if ((rc = write_data (info, wp, SWAP (data))) != 0) { - return (rc); - } - wp += port_width; - cnt -= port_width; - if (count++ > 0x800) { - spin_wheel (); - count = 0; - } - } - - if (cnt == 0) { - return (0); - } - - /* - * handle unaligned tail bytes - */ - data = 0; - for (i = 0, cp = wp; i < port_width && cnt > 0; ++i, ++cp) { - data = (data << 8) | *src++; - --cnt; - } - for (; i < port_width; ++i, ++cp) { - data = (data << 8) | (*(uchar *) cp); - } - - return (write_data (info, wp, SWAP (data))); -} - -/*----------------------------------------------------------------------- - * Write a word or halfword to Flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ -static int write_data (flash_info_t *info, ulong dest, FPW data) -{ - FPWV *addr = (FPWV *) dest; - ulong status; - int flag; - ulong start; - - /* Check if Flash is (sufficiently) erased */ - if ((*addr & data) != data) { - printf ("not erased at %08lx (%lx)\n", (ulong) addr, *addr); - return (2); - } - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts (); - - *addr = (FPW) 0x00400040; /* write setup */ - *addr = data; - - /* arm simple, non interrupt dependent timer */ - start = get_timer(0); - - /* wait while polling the status register */ - while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) { - if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { - *addr = (FPW) 0x00FF00FF; /* restore read mode */ - return (1); - } - } - - *addr = (FPW) 0x00FF00FF; /* restore read mode */ - - return (0); -} - -void inline spin_wheel (void) -{ - static int p = 0; - static char w[] = "\\/-"; - - printf ("\010%c", w[p]); - (++p == 3) ? (p = 0) : 0; -} diff --git a/board/zylonite/lowlevel_init.S b/board/zylonite/lowlevel_init.S deleted file mode 100644 index 6f2ad23..0000000 --- a/board/zylonite/lowlevel_init.S +++ /dev/null @@ -1,373 +0,0 @@ -/* - * Most of this taken from Redboot hal_platform_setup.h with cleanup - * - * NOTE: I haven't clean this up considerably, just enough to get it - * running. See hal_platform_setup.h for the source. See - * board/cradle/lowlevel_init.S for another PXA250 setup that is - * much cleaner. - * - * 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 <version.h> -#include <asm/arch/pxa-regs.h> - -DRAM_SIZE: .long CONFIG_SYS_DRAM_SIZE - -/* wait for coprocessor write complete */ -.macro CPWAIT reg - mrc p15,0,\reg,c2,c0,0 - mov \reg,\reg - sub pc,pc,#4 -.endm - - -.macro wait time - ldr r2, =OSCR - mov r3, #0 - str r3, [r2] -0: - ldr r3, [r2] - cmp r3, \time - bls 0b -.endm - -/* - * Memory setup - */ - -.globl lowlevel_init -lowlevel_init: - /* Set up GPIO pins first ----------------------------------------- */ - mov r10, lr - - /* Configure GPIO Pins 41 - 48 as UART1 / altern. Fkt. 2 */ - ldr r0, =0x40E10438 @ GPIO41 FFRXD - ldr r1, =0x802 - str r1, [r0] - - ldr r0, =0x40E1043C @ GPIO42 FFTXD - ldr r1, =0x802 - str r1, [r0] - - ldr r0, =0x40E10440 @ GPIO43 FFCTS - ldr r1, =0x802 - str r1, [r0] - - ldr r0, =0x40E10444 @ GPIO 44 FFDCD - ldr r1, =0x802 - str r1, [r0] - - ldr r0, =0x40E10448 @ GPIO 45 FFDSR - ldr r1, =0x802 - str r1, [r0] - - ldr r0, =0x40E1044C @ GPIO 46 FFRI - ldr r1, =0x802 - str r1, [r0] - - ldr r0, =0x40E10450 @ GPIO 47 FFDTR - ldr r1, =0x802 - str r1, [r0] - - ldr r0, =0x40E10454 @ GPIO 48 - ldr r1, =0x802 - str r1, [r0] - - /* tebrandt - ASCR, clear the RDH bit */ - ldr r0, =ASCR - ldr r1, [r0] - bic r1, r1, #0x80000000 - str r1, [r0] - - /* ---------------------------------------------------------------- */ - /* Enable memory interface */ - /* */ - /* The sequence below is based on the recommended init steps */ - /* detailed in the Intel PXA250 Operating Systems Developers Guide, */ - /* Chapter 10. */ - /* ---------------------------------------------------------------- */ - - /* ---------------------------------------------------------------- */ - /* Step 1: Wait for at least 200 microsedonds to allow internal */ - /* clocks to settle. Only necessary after hard reset... */ - /* FIXME: can be optimized later */ - /* ---------------------------------------------------------------- */ - - /* mk: replaced with wait macro */ -/* ldr r3, =OSCR /\* reset the OS Timer Count to zero *\/ */ -/* mov r2, #0 */ -/* str r2, [r3] */ -/* ldr r4, =0x300 /\* really 0x2E1 is about 200usec, *\/ */ -/* /\* so 0x300 should be plenty *\/ */ -/* 1: */ -/* ldr r2, [r3] */ -/* cmp r4, r2 */ -/* bgt 1b */ - wait #0x300 - -mem_init: - - /* configure the MEMCLKCFG register */ - ldr r1, =MEMCLKCFG - ldr r2, =0x00010001 - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN - - /* set CSADRCFG[0] to data flash SRAM mode */ - ldr r1, =CSADRCFG0 - ldr r2, =0x00320809 - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN - - /* set CSADRCFG[1] to data flash SRAM mode */ - ldr r1, =CSADRCFG1 - ldr r2, =0x00320809 - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN - - /* set MSC 0 register for SRAM memory */ - ldr r1, =MSC0 - ldr r2, =0x11191119 - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN - - /* set CSADRCFG[2] to data flash SRAM mode */ - ldr r1, =CSADRCFG2 - ldr r2, =0x00320809 - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN - - /* set CSADRCFG[3] to VLIO mode */ - ldr r1, =CSADRCFG3 - ldr r2, =0x0032080B - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN - - /* set MSC 1 register for VLIO memory */ - ldr r1, =MSC1 - ldr r2, =0x123C1119 - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN - -#if 0 - /* This does not work in Zylonite. -SC */ - ldr r0, =0x15fffff0 - ldr r1, =0xb10b - str r1, [r0] - str r1, [r0, #4] -#endif - - /* Configure ACCR Register */ - ldr r0, =ACCR @ ACCR - ldr r1, =0x0180b108 - str r1, [r0] - ldr r1, [r0] - - /* Configure MDCNFG Register */ - ldr r0, =MDCNFG @ MDCNFG - ldr r1, =0x403 - str r1, [r0] - ldr r1, [r0] - - /* Perform Resistive Compensation by configuring RCOMP register */ - ldr r1, =RCOMP @ RCOMP - ldr r2, =0x000000ff - str r2, [r1] - ldr r2, [r1] - - /* Configure MDMRS Register for SDCS0 */ - ldr r1, =MDMRS @ MDMRS - ldr r2, =0x60000023 - ldr r3, [r1] - orr r2, r2, r3 - str r2, [r1] - ldr r2, [r1] - - /* Configure MDMRS Register for SDCS1 */ - ldr r1, =MDMRS @ MDMRS - ldr r2, =0xa0000023 - ldr r3, [r1] - orr r2, r2, r3 - str r2, [r1] - ldr r2, [r1] - - /* Configure MDREFR */ - ldr r1, =MDREFR @ MDREFR - ldr r2, =0x00000006 - str r2, [r1] - ldr r2, [r1] - - /* Configure EMPI */ - ldr r1, =EMPI @ EMPI - ldr r2, =0x80000000 - str r2, [r1] - ldr r2, [r1] - - /* Hardware DDR Read-Strobe Delay Calibration */ - ldr r0, =DDR_HCAL @ DDR_HCAL - ldr r1, =0x803ffc07 @ the offset is correct? -SC - str r1, [r0] - wait #5 - ldr r1, [r0] - - /* Here we assume the hardware calibration alwasy be successful. -SC */ - /* Set DMCEN bit in MDCNFG Register */ - ldr r0, =MDCNFG @ MDCNFG - ldr r1, [r0] - orr r1, r1, #0x40000000 @ enable SDRAM for Normal Access - str r1, [r0] - -#ifndef CONFIG_SYS_SKIP_DRAM_SCRUB - /* scrub/init SDRAM if enabled/present */ -/* ldr r11, =0xa0000000 /\* base address of SDRAM (CONFIG_SYS_DRAM_BASE) *\/ */ -/* ldr r12, =0x04000000 /\* size of memory to scrub (CONFIG_SYS_DRAM_SIZE) *\/ */ -/* mov r8,r12 /\* save DRAM size (mk: why???) *\/ */ - ldr r8, =0xa0000000 /* base address of SDRAM (CONFIG_SYS_DRAM_BASE) */ - ldr r9, =0x04000000 /* size of memory to scrub (CONFIG_SYS_DRAM_SIZE) */ - mov r0, #0 /* scrub with 0x0000:0000 */ - mov r1, #0 - mov r2, #0 - mov r3, #0 - mov r4, #0 - mov r5, #0 - mov r6, #0 - mov r7, #0 -10: /* fastScrubLoop */ - subs r9, r9, #32 /* 32 bytes/line */ - stmia r8!, {r0-r7} - beq 15f - b 10b -#endif /* CONFIG_SYS_SKIP_DRAM_SCRUB */ - -15: - /* Mask all interrupts */ - mov r1, #0 - mcr p6, 0, r1, c1, c0, 0 @ ICMR - - /* Disable software and data breakpoints */ - mov r0, #0 - mcr p15,0,r0,c14,c8,0 /* ibcr0 */ - mcr p15,0,r0,c14,c9,0 /* ibcr1 */ - mcr p15,0,r0,c14,c4,0 /* dbcon */ - - /* Enable all debug functionality */ - mov r0,#0x80000000 - mcr p14,0,r0,c10,c0,0 /* dcsr */ - - /* We are finished with Intel's memory controller initialisation */ - - /* ---------------------------------------------------------------- */ - /* End lowlevel_init */ - /* ---------------------------------------------------------------- */ - -endlowlevel_init: - - mov pc, lr - -/* -@******************************************************************************** -@ DDR calibration -@ -@ This function is used to calibrate DQS delay lines. -@ Monahans supports three ways to do it. One is software -@ calibration. Two is hardware calibration. Three is hybrid -@ calibration. -@ -@ TBD -@ -SC -ddr_calibration: - - @ Case 1: Write the correct delay value once - @ Configure DDR_SCAL Register - ldr r0, =DDR_SCAL @ DDR_SCAL -q ldr r1, =0xaf2f2f2f - str r1, [r0] - ldr r1, [r0] -*/ -/* @ Case 2: Software Calibration - @ Write test pattern to memory - ldr r5, =0x0faf0faf @ Data Pattern - ldr r4, =0xa0000000 @ DDR ram - str r5, [r4] - - mov r1, =0x0 @ delay count - mov r6, =0x0 - mov r7, =0x0 -ddr_loop1: - add r1, r1, =0x1 - cmp r1, =0xf - ble end_loop - mov r3, r1 - mov r0, r1, lsl #30 - orr r3, r3, r0 - mov r0, r1, lsl #22 - orr r3, r3, r0 - mov r0, r1, lsl #14 - orr r3, r3, r0 - orr r3, r3, =0x80000000 - ldr r2, =DDR_SCAL - str r3, [r2] - - ldr r2, [r4] - cmp r2, r5 - bne ddr_loop1 - mov r6, r1 -ddr_loop2: - add r1, r1, =0x1 - cmp r1, =0xf - ble end_loop - mov r3, r1 - mov r0, r1, lsl #30 - orr r3, r3, r0 - mov r0, r1, lsl #22 - orr r3, r3, r0 - mov r0, r1, lsl #14 - orr r3, r3, r0 - orr r3, r3, =0x80000000 - ldr r2, =DDR_SCAL - str r3, [r2] - - ldr r2, [r4] - cmp r2, r5 - be ddr_loop2 - mov r7, r2 - - add r3, r6, r7 - lsr r3, r3, =0x1 - mov r0, r1, lsl #30 - orr r3, r3, r0 - mov r0, r1, lsl #22 - orr r3, r3, r0 - mov r0, r1, lsl #14 - orr r3, r3, r0 - orr r3, r3, =0x80000000 - ldr r2, =DDR_SCAL - -end_loop: - - @ Case 3: Hardware Calibratoin - ldr r0, =DDR_HCAL @ DDR_HCAL - ldr r1, =0x803ffc07 @ the offset is correct? -SC - str r1, [r0] - wait #5 - ldr r1, [r0] - mov pc, lr -*/ diff --git a/board/zylonite/nand.c b/board/zylonite/nand.c deleted file mode 100644 index 71d18a6..0000000 --- a/board/zylonite/nand.c +++ /dev/null @@ -1,562 +0,0 @@ -/* - * (C) Copyright 2006 DENX Software Engineering - * - * 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 <common.h> -#include <asm/io.h> - -#if defined(CONFIG_CMD_NAND) - -#include <nand.h> -#include <asm/arch/pxa-regs.h> - -#ifdef CONFIG_SYS_DFC_DEBUG1 -# define DFC_DEBUG1(fmt, args...) printf(fmt, ##args) -#else -# define DFC_DEBUG1(fmt, args...) -#endif - -#ifdef CONFIG_SYS_DFC_DEBUG2 -# define DFC_DEBUG2(fmt, args...) printf(fmt, ##args) -#else -# define DFC_DEBUG2(fmt, args...) -#endif - -#ifdef CONFIG_SYS_DFC_DEBUG3 -# define DFC_DEBUG3(fmt, args...) printf(fmt, ##args) -#else -# define DFC_DEBUG3(fmt, args...) -#endif - -/* These really don't belong here, as they are specific to the NAND Model */ -static uint8_t scan_ff_pattern[] = { 0xff, 0xff }; - -static struct nand_bbt_descr delta_bbt_descr = { - .options = 0, - .offs = 0, - .len = 2, - .pattern = scan_ff_pattern -}; - -static struct nand_ecclayout delta_oob = { - .eccbytes = 6, - .eccpos = {2, 3, 4, 5, 6, 7}, - .oobfree = { {8, 2}, {12, 4} } -}; - -/* - * not required for Monahans DFC - */ -static void dfc_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl) -{ - return; -} - -#if 0 -/* read device ready pin */ -static int dfc_device_ready(struct mtd_info *mtdinfo) -{ - if(NDSR & NDSR_RDY) - return 1; - else - return 0; - return 0; -} -#endif - -/* - * Write buf to the DFC Controller Data Buffer - */ -static void dfc_write_buf(struct mtd_info *mtd, const u_char *buf, int len) -{ - unsigned long bytes_multi = len & 0xfffffffc; - unsigned long rest = len & 0x3; - unsigned long *long_buf; - int i; - - DFC_DEBUG2("dfc_write_buf: writing %d bytes starting with 0x%x.\n", len, *((unsigned long*) buf)); - if(bytes_multi) { - for(i=0; i<bytes_multi; i+=4) { - long_buf = (unsigned long*) &buf[i]; - writel(*long_buf, NDDB); - } - } - if(rest) { - printf("dfc_write_buf: ERROR, writing non 4-byte aligned data.\n"); - } - return; -} - - -/* The original: - * static void dfc_read_buf(struct mtd_info *mtd, const u_char *buf, int len) - * - * Shouldn't this be "u_char * const buf" ? - */ -static void dfc_read_buf(struct mtd_info *mtd, u_char* const buf, int len) -{ - int i=0, j; - - /* we have to be carefull not to overflow the buffer if len is - * not a multiple of 4 */ - unsigned long bytes_multi = len & 0xfffffffc; - unsigned long rest = len & 0x3; - unsigned long *long_buf; - - DFC_DEBUG3("dfc_read_buf: reading %d bytes.\n", len); - /* if there are any, first copy multiple of 4 bytes */ - if(bytes_multi) { - for(i=0; i<bytes_multi; i+=4) { - long_buf = (unsigned long*) &buf[i]; - *long_buf = readl(NDDB); - } - } - - /* ...then the rest */ - if(rest) { - unsigned long rest_data = NDDB; - for(j=0;j<rest; j++) - buf[i+j] = (u_char) ((rest_data>>j) & 0xff); - } - - return; -} - -/* - * read a word. Not implemented as not used in NAND code. - */ -static u16 dfc_read_word(struct mtd_info *mtd) -{ - printf("dfc_read_word: UNIMPLEMENTED.\n"); - return 0; -} - -/* global var, too bad: mk@tbd: move to ->priv pointer */ -static unsigned long read_buf = 0; -static int bytes_read = -1; - -/* - * read a byte from NDDB Because we can only read 4 bytes from NDDB at - * a time, we buffer the remaining bytes. The buffer is reset when a - * new command is sent to the chip. - * - * WARNING: - * This function is currently only used to read status and id - * bytes. For these commands always 8 bytes need to be read from - * NDDB. So we read and discard these bytes right now. In case this - * function is used for anything else in the future, we must check - * what was the last command issued and read the appropriate amount of - * bytes respectively. - */ -static u_char dfc_read_byte(struct mtd_info *mtd) -{ - unsigned char byte; - unsigned long dummy; - - if(bytes_read < 0) { - read_buf = readl(NDDB); - dummy = readl(NDDB); - bytes_read = 0; - } - byte = (unsigned char) (read_buf>>(8 * bytes_read++)); - if(bytes_read >= 4) - bytes_read = -1; - - DFC_DEBUG2("dfc_read_byte: byte %u: 0x%x of (0x%x).\n", bytes_read - 1, byte, read_buf); - return byte; -} - -/* calculate delta between OSCR values start and now */ -static unsigned long get_delta(unsigned long start) -{ - unsigned long cur = readl(OSCR); - - if(cur < start) /* OSCR overflowed */ - return (cur + (start^0xffffffff)); - else - return (cur - start); -} - -/* delay function, this doesn't belong here */ -static void wait_us(unsigned long us) -{ - unsigned long start = readl(OSCR); - us = DIV_ROUND_UP(us * OSCR_CLK_FREQ, 1000); - - while (get_delta(start) < us) { - /* do nothing */ - } -} - -static void dfc_clear_nddb(void) -{ - writel(readl(NDCR) & ~NDCR_ND_RUN, NDCR); - wait_us(CONFIG_SYS_NAND_OTHER_TO); -} - -/* wait_event with timeout */ -static unsigned long dfc_wait_event(unsigned long event) -{ - unsigned long ndsr, timeout, start = readl(OSCR); - - if(!event) - return 0xff000000; - else if(event & (NDSR_CS0_CMDD | NDSR_CS0_BBD)) - timeout = DIV_ROUND_UP(CONFIG_SYS_NAND_PROG_ERASE_TO - * OSCR_CLK_FREQ, 1000); - else - timeout = DIV_ROUND_UP(CONFIG_SYS_NAND_OTHER_TO - * OSCR_CLK_FREQ, 1000); - - while(1) { - ndsr = readl(NDSR); - if(ndsr & event) { - writel(readl(NDSR) | event, NDSR); - break; - } - if(get_delta(start) > timeout) { - DFC_DEBUG1("dfc_wait_event: TIMEOUT waiting for event: 0x%lx.\n", event); - return 0xff000000; - } - - } - return ndsr; -} - -/* we don't always wan't to do this */ -static void dfc_new_cmd(void) -{ - int retry = 0; - unsigned long status; - - while(retry++ <= CONFIG_SYS_NAND_SENDCMD_RETRY) { - /* Clear NDSR */ - writel(0xFFF, NDSR); - - /* set NDCR[NDRUN] */ - if (!(readl(NDCR) & NDCR_ND_RUN)) - writel(readl(NDCR) | NDCR_ND_RUN, NDCR); - - status = dfc_wait_event(NDSR_WRCMDREQ); - - if(status & NDSR_WRCMDREQ) - return; - - DFC_DEBUG2("dfc_new_cmd: FAILED to get WRITECMDREQ, retry: %d.\n", retry); - dfc_clear_nddb(); - } - DFC_DEBUG1("dfc_new_cmd: giving up after %d retries.\n", retry); -} - -/* this function is called after Programm and Erase Operations to - * check for success or failure */ -static int dfc_wait(struct mtd_info *mtd, struct nand_chip *this) -{ - unsigned long ndsr=0, event=0; - int state = this->state; - - if(state == FL_WRITING) { - event = NDSR_CS0_CMDD | NDSR_CS0_BBD; - } else if(state == FL_ERASING) { - event = NDSR_CS0_CMDD | NDSR_CS0_BBD; - } - - ndsr = dfc_wait_event(event); - - if((ndsr & NDSR_CS0_BBD) || (ndsr & 0xff000000)) - return(0x1); /* Status Read error */ - return 0; -} - -/* cmdfunc send commands to the DFC */ -static void dfc_cmdfunc(struct mtd_info *mtd, unsigned command, - int column, int page_addr) -{ - /* register struct nand_chip *this = mtd->priv; */ - unsigned long ndcb0=0, ndcb1=0, ndcb2=0, event=0; - - /* clear the ugly byte read buffer */ - bytes_read = -1; - read_buf = 0; - - switch (command) { - case NAND_CMD_READ0: - DFC_DEBUG3("dfc_cmdfunc: NAND_CMD_READ0, page_addr: 0x%x, column: 0x%x.\n", page_addr, (column>>1)); - dfc_new_cmd(); - ndcb0 = (NAND_CMD_READ0 | (4<<16)); - column >>= 1; /* adjust for 16 bit bus */ - ndcb1 = (((column>>1) & 0xff) | - ((page_addr<<8) & 0xff00) | - ((page_addr<<8) & 0xff0000) | - ((page_addr<<8) & 0xff000000)); /* make this 0x01000000 ? */ - event = NDSR_RDDREQ; - goto write_cmd; - case NAND_CMD_READ1: - DFC_DEBUG2("dfc_cmdfunc: NAND_CMD_READ1 unimplemented!\n"); - goto end; - case NAND_CMD_READOOB: - DFC_DEBUG1("dfc_cmdfunc: NAND_CMD_READOOB unimplemented!\n"); - goto end; - case NAND_CMD_READID: - dfc_new_cmd(); - DFC_DEBUG2("dfc_cmdfunc: NAND_CMD_READID.\n"); - ndcb0 = (NAND_CMD_READID | (3 << 21) | (1 << 16)); /* addr cycles*/ - event = NDSR_RDDREQ; - goto write_cmd; - case NAND_CMD_PAGEPROG: - /* sent as a multicommand in NAND_CMD_SEQIN */ - DFC_DEBUG2("dfc_cmdfunc: NAND_CMD_PAGEPROG empty due to multicmd.\n"); - goto end; - case NAND_CMD_ERASE1: - DFC_DEBUG2("dfc_cmdfunc: NAND_CMD_ERASE1, page_addr: 0x%x, column: 0x%x.\n", page_addr, (column>>1)); - dfc_new_cmd(); - ndcb0 = (0xd060 | (1<<25) | (2<<21) | (1<<19) | (3<<16)); - ndcb1 = (page_addr & 0x00ffffff); - goto write_cmd; - case NAND_CMD_ERASE2: - DFC_DEBUG2("dfc_cmdfunc: NAND_CMD_ERASE2 empty due to multicmd.\n"); - goto end; - case NAND_CMD_SEQIN: - /* send PAGE_PROG command(0x1080) */ - dfc_new_cmd(); - DFC_DEBUG2("dfc_cmdfunc: NAND_CMD_SEQIN/PAGE_PROG, page_addr: 0x%x, column: 0x%x.\n", page_addr, (column>>1)); - ndcb0 = (0x1080 | (1<<25) | (1<<21) | (1<<19) | (4<<16)); - column >>= 1; /* adjust for 16 bit bus */ - ndcb1 = (((column>>1) & 0xff) | - ((page_addr<<8) & 0xff00) | - ((page_addr<<8) & 0xff0000) | - ((page_addr<<8) & 0xff000000)); /* make this 0x01000000 ? */ - event = NDSR_WRDREQ; - goto write_cmd; - case NAND_CMD_STATUS: - DFC_DEBUG2("dfc_cmdfunc: NAND_CMD_STATUS.\n"); - dfc_new_cmd(); - ndcb0 = NAND_CMD_STATUS | (4<<21); - event = NDSR_RDDREQ; - goto write_cmd; - case NAND_CMD_RESET: - DFC_DEBUG2("dfc_cmdfunc: NAND_CMD_RESET.\n"); - ndcb0 = NAND_CMD_RESET | (5<<21); - event = NDSR_CS0_CMDD; - goto write_cmd; - default: - printk("dfc_cmdfunc: error, unsupported command.\n"); - goto end; - } - - write_cmd: - writel(ndcb0, NDCB0); - writel(ndcb1, NDCB0); - writel(ndcb2, NDCB0); - - /* wait_event: */ - dfc_wait_event(event); - end: - return; -} - -static void dfc_gpio_init(void) -{ - DFC_DEBUG2("Setting up DFC GPIO's.\n"); - - /* no idea what is done here, see zylonite.c */ - writel(0x1, GPIO4); - - writel(0x00000001, DF_ALE_nWE1); - writel(0x00000001, DF_ALE_nWE2); - writel(0x00000001, DF_nCS0); - writel(0x00000001, DF_nCS1); - writel(0x00000001, DF_nWE); - writel(0x00000001, DF_nRE); - writel(0x00000001, DF_IO0); - writel(0x00000001, DF_IO8); - writel(0x00000001, DF_IO1); - writel(0x00000001, DF_IO9); - writel(0x00000001, DF_IO2); - writel(0x00000001, DF_IO10); - writel(0x00000001, DF_IO3); - writel(0x00000001, DF_IO11); - writel(0x00000001, DF_IO4); - writel(0x00000001, DF_IO12); - writel(0x00000001, DF_IO5); - writel(0x00000001, DF_IO13); - writel(0x00000001, DF_IO6); - writel(0x00000001, DF_IO14); - writel(0x00000001, DF_IO7); - writel(0x00000001, DF_IO15); - - writel(0x1901, DF_nWE); - writel(0x1901, DF_nRE); - writel(0x1900, DF_CLE_nOE); - writel(0x1901, DF_ALE_nWE1); - writel(0x1900, DF_INT_RnB); -} - -/* - * Board-specific NAND initialization. The following members of the - * argument are board-specific (per include/linux/mtd/nand_new.h): - * - IO_ADDR_R?: address to read the 8 I/O lines of the flash device - * - IO_ADDR_W?: address to write the 8 I/O lines of the flash device - * - cmd_ctrl: hardwarespecific function for accesing control-lines - * - dev_ready: hardwarespecific function for accesing device ready/busy line - * - enable_hwecc?: function to enable (reset) hardware ecc generator. Must - * only be provided if a hardware ECC is available - * - ecc.mode: mode of ecc, see defines - * - chip_delay: chip dependent delay for transfering data from array to - * read regs (tR) - * - options: various chip options. They can partly be set to inform - * nand_scan about special functionality. See the defines for further - * explanation - * Members with a "?" were not set in the merged testing-NAND branch, - * so they are not set here either. - */ -int board_nand_init(struct nand_chip *nand) -{ - unsigned long tCH, tCS, tWH, tWP, tRH, tRP, tRP_high, tR, tWHR, tAR; - - /* set up GPIO Control Registers */ - dfc_gpio_init(); - - /* turn on the NAND Controller Clock (104 MHz @ D0) */ - writel(readl(CKENA) | (CKENA_4_NAND | CKENA_9_SMC), CKENA); - -#undef CONFIG_SYS_TIMING_TIGHT -#ifndef CONFIG_SYS_TIMING_TIGHT - tCH = MIN(((unsigned long) (NAND_TIMING_tCH * DFC_CLK_PER_US) + 1), - DFC_MAX_tCH); - tCS = MIN(((unsigned long) (NAND_TIMING_tCS * DFC_CLK_PER_US) + 1), - DFC_MAX_tCS); - tWH = MIN(((unsigned long) (NAND_TIMING_tWH * DFC_CLK_PER_US) + 1), - DFC_MAX_tWH); - tWP = MIN(((unsigned long) (NAND_TIMING_tWP * DFC_CLK_PER_US) + 1), - DFC_MAX_tWP); - tRH = MIN(((unsigned long) (NAND_TIMING_tRH * DFC_CLK_PER_US) + 1), - DFC_MAX_tRH); - tRP = MIN(((unsigned long) (NAND_TIMING_tRP * DFC_CLK_PER_US) + 1), - DFC_MAX_tRP); - tR = MIN(((unsigned long) (NAND_TIMING_tR * DFC_CLK_PER_US) + 1), - DFC_MAX_tR); - tWHR = MIN(((unsigned long) (NAND_TIMING_tWHR * DFC_CLK_PER_US) + 1), - DFC_MAX_tWHR); - tAR = MIN(((unsigned long) (NAND_TIMING_tAR * DFC_CLK_PER_US) + 1), - DFC_MAX_tAR); -#else /* this is the tight timing */ - - tCH = MIN(((unsigned long) (NAND_TIMING_tCH * DFC_CLK_PER_US)), - DFC_MAX_tCH); - tCS = MIN(((unsigned long) (NAND_TIMING_tCS * DFC_CLK_PER_US)), - DFC_MAX_tCS); - tWH = MIN(((unsigned long) (NAND_TIMING_tWH * DFC_CLK_PER_US)), - DFC_MAX_tWH); - tWP = MIN(((unsigned long) (NAND_TIMING_tWP * DFC_CLK_PER_US)), - DFC_MAX_tWP); - tRH = MIN(((unsigned long) (NAND_TIMING_tRH * DFC_CLK_PER_US)), - DFC_MAX_tRH); - tRP = MIN(((unsigned long) (NAND_TIMING_tRP * DFC_CLK_PER_US)), - DFC_MAX_tRP); - tR = MIN(((unsigned long) (NAND_TIMING_tR * DFC_CLK_PER_US) - tCH - 2), - DFC_MAX_tR); - tWHR = MIN(((unsigned long) (NAND_TIMING_tWHR * DFC_CLK_PER_US) - tCH - 2), - DFC_MAX_tWHR); - tAR = MIN(((unsigned long) (NAND_TIMING_tAR * DFC_CLK_PER_US) - 2), - DFC_MAX_tAR); -#endif /* CONFIG_SYS_TIMING_TIGHT */ - - - DFC_DEBUG2("tCH=%u, tCS=%u, tWH=%u, tWP=%u, tRH=%u, tRP=%u, tR=%u, tWHR=%u, tAR=%u.\n", tCH, tCS, tWH, tWP, tRH, tRP, tR, tWHR, tAR); - - /* tRP value is split in the register */ - if(tRP & (1 << 4)) { - tRP_high = 1; - tRP &= ~(1 << 4); - } else { - tRP_high = 0; - } - - writel((tCH << 19) | - (tCS << 16) | - (tWH << 11) | - (tWP << 8) | - (tRP_high << 6) | - (tRH << 3) | - (tRP << 0), - NDTR0CS0); - - writel((tR << 16) | - (tWHR << 4) | - (tAR << 0), - NDTR1CS0); - - /* If it doesn't work (unlikely) think about: - * - ecc enable - * - chip select don't care - * - read id byte count - * - * Intentionally enabled by not setting bits: - * - dma (DMA_EN) - * - page size = 512 - * - cs don't care, see if we can enable later! - * - row address start position (after second cycle) - * - pages per block = 32 - * - ND_RDY : clears command buffer - */ - /* NDCR_NCSX | /\* Chip select busy don't care *\/ */ - - writel(NDCR_SPARE_EN | /* use the spare area */ - NDCR_DWIDTH_C | /* 16bit DFC data bus width */ - NDCR_DWIDTH_M | /* 16 bit Flash device data bus width */ - (2 << 16) | /* read id count = 7 ???? mk@tbd */ - NDCR_ND_ARB_EN | /* enable bus arbiter */ - NDCR_RDYM | /* flash device ready ir masked */ - NDCR_CS0_PAGEDM | /* ND_nCSx page done ir masked */ - NDCR_CS1_PAGEDM | - NDCR_CS0_CMDDM | /* ND_CSx command done ir masked */ - NDCR_CS1_CMDDM | - NDCR_CS0_BBDM | /* ND_CSx bad block detect ir masked */ - NDCR_CS1_BBDM | - NDCR_DBERRM | /* double bit error ir masked */ - NDCR_SBERRM | /* single bit error ir masked */ - NDCR_WRDREQM | /* write data request ir masked */ - NDCR_RDDREQM | /* read data request ir masked */ - NDCR_WRCMDREQM, /* write command request ir masked */ - NDCR); - - - /* wait 10 us due to cmd buffer clear reset */ - /* wait(10); */ - - nand->cmd_ctrl = dfc_hwcontrol; -/* nand->dev_ready = dfc_device_ready; */ - nand->ecc.mode = NAND_ECC_SOFT; - nand->ecc.layout = &delta_oob; - nand->options = NAND_BUSWIDTH_16; - nand->waitfunc = dfc_wait; - nand->read_byte = dfc_read_byte; - nand->read_word = dfc_read_word; - nand->read_buf = dfc_read_buf; - nand->write_buf = dfc_write_buf; - - nand->cmdfunc = dfc_cmdfunc; - nand->badblock_pattern = &delta_bbt_descr; - return 0; -} - -#endif diff --git a/board/zylonite/zylonite.c b/board/zylonite/zylonite.c deleted file mode 100644 index 749a40f..0000000 --- a/board/zylonite/zylonite.c +++ /dev/null @@ -1,82 +0,0 @@ -/* - * (C) Copyright 2002 - * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * 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 <common.h> -#include <netdev.h> - -DECLARE_GLOBAL_DATA_PTR; - -/* - * Miscelaneous platform dependent initialisations - */ - -int board_init (void) -{ - /* memory and cpu-speed are setup before relocation */ - /* so we do _nothing_ here */ - - /* arch number of Lubbock-Board */ - gd->bd->bi_arch_number = MACH_TYPE_LUBBOCK; - - /* adress of boot parameters */ - gd->bd->bi_boot_params = 0xa0000100; - - return 0; -} - -int board_late_init(void) -{ - setenv("stdout", "serial"); - setenv("stderr", "serial"); - return 0; -} - - -int dram_init (void) -{ - gd->bd->bi_dram[0].start = PHYS_SDRAM_1; - gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; - gd->bd->bi_dram[1].start = PHYS_SDRAM_2; - gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE; - gd->bd->bi_dram[2].start = PHYS_SDRAM_3; - gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE; - gd->bd->bi_dram[3].start = PHYS_SDRAM_4; - gd->bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE; - - return 0; -} - -#ifdef CONFIG_CMD_NET -int board_eth_init(bd_t *bis) -{ - int rc = 0; -#ifdef CONFIG_SMC91111 - rc = smc91111_initialize(0, CONFIG_SMC91111_BASE); -#endif - return rc; -} -#endif |