summaryrefslogtreecommitdiff
path: root/board/rbc823
diff options
context:
space:
mode:
Diffstat (limited to 'board/rbc823')
-rw-r--r--board/rbc823/Makefile8
-rw-r--r--board/rbc823/flash.c445
-rw-r--r--board/rbc823/kbd.c253
-rw-r--r--board/rbc823/rbc823.c256
-rw-r--r--board/rbc823/u-boot.lds92
5 files changed, 0 insertions, 1054 deletions
diff --git a/board/rbc823/Makefile b/board/rbc823/Makefile
deleted file mode 100644
index 060a144..0000000
--- a/board/rbc823/Makefile
+++ /dev/null
@@ -1,8 +0,0 @@
-#
-# (C) Copyright 2000-2006
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# SPDX-License-Identifier: GPL-2.0+
-#
-
-obj-y = rbc823.o flash.o kbd.o
diff --git a/board/rbc823/flash.c b/board/rbc823/flash.c
deleted file mode 100644
index 8a22652..0000000
--- a/board/rbc823/flash.c
+++ /dev/null
@@ -1,445 +0,0 @@
-/*
- * (C) Copyright 2000
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <mpc8xx.h>
-
-flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS];
-
-/*
- * Functions
- */
-static ulong flash_get_size(vu_long *addr, flash_info_t *info);
-static int write_word(flash_info_t *info, ulong dest, ulong data);
-static void flash_get_offsets(ulong base, flash_info_t *info);
-
-unsigned long flash_init(void)
-{
- unsigned long size_b0;
- int i;
-
- /* Init: no FLASHes known */
- for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; ++i)
- flash_info[i].flash_id = FLASH_UNKNOWN;
-
- /* Detect size */
- size_b0 = flash_get_size((vu_long *)CONFIG_SYS_FLASH_BASE,
- &flash_info[0]);
-
- /* Setup offsets */
- flash_get_offsets(CONFIG_SYS_FLASH_BASE, &flash_info[0]);
-
-#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE
- /* Monitor protection ON by default */
- flash_protect(FLAG_PROTECT_SET,
- CONFIG_SYS_MONITOR_BASE,
- CONFIG_SYS_MONITOR_BASE+monitor_flash_len-1,
- &flash_info[0]);
-#endif
-
- flash_info[0].size = size_b0;
-
- return size_b0;
-}
-
-/*-----------------------------------------------------------------------
- * Fix this to support variable sector sizes
-*/
-static void flash_get_offsets(ulong base, flash_info_t *info)
-{
- int i;
-
- /* set up sector start address table */
- if ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM040) {
- /* set sector offsets for bottom boot block type */
- for (i = 0; i < info->sector_count; i++)
- info->start[i] = base + (i * 0x00010000);
- }
-}
-
-/*-----------------------------------------------------------------------
- */
-void flash_print_info(flash_info_t *info)
-{
- int i;
-
- if (info->flash_id == FLASH_UNKNOWN) {
- puts("missing or unknown FLASH type\n");
- return;
- }
-
- switch (info->flash_id & FLASH_VENDMASK) {
- case FLASH_MAN_AMD:
- printf("AMD ");
- break;
- case FLASH_MAN_FUJ:
- printf("FUJITSU ");
- break;
- case FLASH_MAN_BM:
- printf("BRIGHT MICRO ");
- break;
- default:
- printf("Unknown Vendor ");
- break;
- }
-
- switch (info->flash_id & FLASH_TYPEMASK) {
- case FLASH_AM040:
- printf("29F040 or 29LV040 (4 Mbit, uniform sectors)\n");
- break;
- case FLASH_AM400B:
- printf("AM29LV400B (4 Mbit, bottom boot sect)\n");
- break;
- case FLASH_AM400T:
- printf("AM29LV400T (4 Mbit, top boot sector)\n");
- break;
- case FLASH_AM800B:
- printf("AM29LV800B (8 Mbit, bottom boot sect)\n");
- break;
- case FLASH_AM800T:
- printf("AM29LV800T (8 Mbit, top boot sector)\n");
- break;
- case FLASH_AM160B:
- printf("AM29LV160B (16 Mbit, bottom boot sect)\n");
- break;
- case FLASH_AM160T:
- printf("AM29LV160T (16 Mbit, top boot sector)\n");
- break;
- case FLASH_AM320B:
- printf("AM29LV320B (32 Mbit, bottom boot sect)\n");
- break;
- case FLASH_AM320T:
- printf("AM29LV320T (32 Mbit, top boot sector)\n");
- break;
- default:
- printf("Unknown Chip Type\n");
- break;
- }
-
- if (info->size >> 20) {
- printf(" Size: %ld MB in %d Sectors\n",
- info->size >> 20,
- info->sector_count);
- } else {
- printf(" Size: %ld KB in %d Sectors\n",
- info->size >> 10,
- info->sector_count);
- }
-
- puts(" Sector Start Addresses:");
-
- for (i = 0; i < info->sector_count; ++i) {
- if ((i % 5) == 0)
- puts("\n ");
-
- printf(" %08lX%s",
- info->start[i],
- info->protect[i] ? " (RO)" : " ");
- }
-
- putc('\n');
- return;
-}
-
-/*
- * The following code cannot be run from FLASH!
- */
-
-static ulong flash_get_size(vu_long *addr, flash_info_t *info)
-{
- short i;
- volatile unsigned char *caddr;
- char value;
-
- caddr = (volatile unsigned char *)addr ;
-
- /* Write auto select command: read Manufacturer ID */
-
- debug("Base address is: %8p\n", caddr);
-
- caddr[0x0555] = 0xAA;
- caddr[0x02AA] = 0x55;
- caddr[0x0555] = 0x90;
-
- value = caddr[0];
-
- debug("Manufact ID: %02x\n", value);
-
- switch (value) {
- case 0x01: /*AMD_MANUFACT*/
- info->flash_id = FLASH_MAN_AMD;
- break;
-
- case 0x04: /*FUJ_MANUFACT*/
- info->flash_id = FLASH_MAN_FUJ;
- break;
-
- default:
- info->flash_id = FLASH_UNKNOWN;
- info->sector_count = 0;
- info->size = 0;
- break;
- }
-
- value = caddr[1]; /* device ID */
-
- debug("Device ID: %02x\n", value);
-
- switch (value) {
- case AMD_ID_LV040B:
- info->flash_id += FLASH_AM040;
- info->sector_count = 8;
- info->size = 0x00080000;
- break; /* => 512Kb */
-
- default:
- info->flash_id = FLASH_UNKNOWN;
- return 0; /* => no or unknown flash */
- }
-
- flash_get_offsets((ulong)addr, &flash_info[0]);
-
- /* check for protected sectors */
- for (i = 0; i < info->sector_count; i++) {
- /*
- * read sector protection at sector address,
- * (A7 .. A0) = 0x02
- * D0 = 1 if protected
- */
- caddr = (volatile unsigned char *)(info->start[i]);
- info->protect[i] = caddr[2] & 1;
- }
-
- /*
- * Prevent writes to uninitialized FLASH.
- */
- if (info->flash_id != FLASH_UNKNOWN) {
- caddr = (volatile unsigned char *)info->start[0];
- *caddr = 0xF0; /* reset bank */
- }
-
- return info->size;
-}
-
-
-int flash_erase(flash_info_t *info, int s_first, int s_last)
-{
- volatile unsigned char *addr =
- (volatile unsigned char *)(info->start[0]);
- int flag, prot, sect, l_sect;
- ulong start, now, last;
-
- 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;
- }
-
- if ((info->flash_id == FLASH_UNKNOWN) ||
- (info->flash_id > FLASH_AMD_COMP)) {
- printf("Can't erase unknown flash type - aborted\n");
- 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");
- }
-
- l_sect = -1;
-
- /* Disable interrupts which might cause a timeout here */
- flag = disable_interrupts();
-
- addr[0x0555] = 0xAA;
- addr[0x02AA] = 0x55;
- addr[0x0555] = 0x80;
- addr[0x0555] = 0xAA;
- addr[0x02AA] = 0x55;
-
- /* Start erase on unprotected sectors */
- for (sect = s_first; sect <= s_last; sect++) {
- if (info->protect[sect] == 0) { /* not protected */
- addr = (volatile unsigned char *)(info->start[sect]);
- addr[0] = 0x30;
- l_sect = sect;
- }
- }
-
- /* re-enable interrupts if necessary */
- if (flag)
- enable_interrupts();
-
- /* wait at least 80us - let's wait 1 ms */
- udelay(1000);
-
- /*
- * We wait for the last triggered sector
- */
- if (l_sect < 0)
- goto DONE;
-
- start = get_timer(0);
- last = start;
- addr = (volatile unsigned char *)(info->start[l_sect]);
-
- while ((addr[0] & 0xFF) != 0xFF) {
- now = get_timer(start);
- if (now > CONFIG_SYS_FLASH_ERASE_TOUT) {
- printf("Timeout\n");
- return 1;
- }
- /* show that we're waiting */
- if ((now - last) > 1000) { /* every second */
- putc('.');
- last = now;
- }
- }
-
-DONE:
- /* reset to read mode */
- addr = (volatile unsigned char *)info->start[0];
-
- addr[0] = 0xF0; /* reset bank */
-
- printf(" done\n");
- return 0;
-}
-
-/*
- * Copy memory to flash, returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- */
-
-int write_buff(flash_info_t *info, uchar *src, ulong addr, ulong cnt)
-{
- ulong cp, wp, data;
- int i, l, rc;
-
- wp = (addr & ~3); /* get lower word aligned address */
-
- /*
- * handle unaligned start bytes
- */
- l = addr - wp;
-
- if (l != 0) {
- data = 0;
- for (i = 0, cp = wp; i < l; ++i, ++cp)
- data = (data << 8) | (*(uchar *)cp);
-
- for (; i < 4 && cnt > 0; ++i) {
- data = (data << 8) | *src++;
- --cnt;
- ++cp;
- }
-
- for (; cnt == 0 && i < 4; ++i, ++cp)
- data = (data << 8) | (*(uchar *)cp);
-
- rc = write_word(info, wp, data);
-
- if (rc != 0)
- return rc;
-
- wp += 4;
- }
-
- /*
- * handle word aligned part
- */
- while (cnt >= 4) {
- data = 0;
- for (i = 0; i < 4; ++i)
- data = (data << 8) | *src++;
-
- rc = write_word(info, wp, data);
-
- if (rc != 0)
- return rc;
-
- wp += 4;
- cnt -= 4;
- }
-
- if (cnt == 0)
- return 0;
-
- /*
- * handle unaligned tail bytes
- */
- data = 0;
- for (i = 0, cp = wp; i < 4 && cnt > 0; ++i, ++cp) {
- data = (data << 8) | *src++;
- --cnt;
- }
- for (; i < 4; ++i, ++cp)
- data = (data << 8) | (*(uchar *)cp);
-
- return write_word(info, wp, data);
-}
-
-/*
- * Write a word to Flash, returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- */
-static int write_word(flash_info_t *info, ulong dest, ulong data)
-{
- volatile unsigned char *cdest, *cdata;
- volatile unsigned char *addr =
- (volatile unsigned char *)(info->start[0]);
- ulong start;
- int flag, count = 4 ;
-
- cdest = (volatile unsigned char *)dest ;
- cdata = (volatile unsigned char *)&data ;
-
- /* Check if Flash is (sufficiently) erased */
- if ((*((vu_long *)dest)&data) != data)
- return 2;
-
- while (count--) {
- /* Disable interrupts which might cause a timeout here */
- flag = disable_interrupts();
-
- addr[0x0555] = 0xAA;
- addr[0x02AA] = 0x55;
- addr[0x0555] = 0xA0;
-
- *cdest = *cdata;
-
- /* re-enable interrupts if necessary */
- if (flag)
- enable_interrupts();
-
- /* data polling for D7 */
- start = get_timer(0);
- while ((*cdest ^ *cdata) & 0x80) {
- if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT)
- return 1;
- }
-
- cdata++ ;
- cdest++ ;
- }
- return 0;
-}
diff --git a/board/rbc823/kbd.c b/board/rbc823/kbd.c
deleted file mode 100644
index b35509a..0000000
--- a/board/rbc823/kbd.c
+++ /dev/null
@@ -1,253 +0,0 @@
-/*
- * (C) Copyright 2000
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-/* Modified by Udi Finkelstein
- *
- * This file includes communication routines for SMC1 that can run even if
- * SMC2 have already been initialized.
- */
-
-#include <common.h>
-#include <watchdog.h>
-#include <commproc.h>
-#include <stdio_dev.h>
-#include <lcd.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#define SMC_INDEX 0
-#define PROFF_SMC PROFF_SMC1
-#define CPM_CR_CH_SMC CPM_CR_CH_SMC1
-
-#define RBC823_KBD_BAUDRATE 38400
-#define CPM_KEYBOARD_BASE 0x1000
-/*
- * Minimal serial functions needed to use one of the SMC ports
- * as serial console interface.
- */
-
-void smc1_setbrg (void)
-{
- volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
- volatile cpm8xx_t *cp = &(im->im_cpm);
-
- /* Set up the baud rate generator.
- * See 8xx_io/commproc.c for details.
- *
- * Wire BRG2 to SMC1, BRG1 to SMC2
- */
-
- cp->cp_simode = 0x00001000;
-
- cp->cp_brgc2 =
- (((gd->cpu_clk / 16 / RBC823_KBD_BAUDRATE)-1) << 1) | CPM_BRG_EN;
-}
-
-int smc1_init (void)
-{
- volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
- volatile smc_t *sp;
- volatile smc_uart_t *up;
- volatile cbd_t *tbdf, *rbdf;
- volatile cpm8xx_t *cp = &(im->im_cpm);
- uint dpaddr;
-
- /* initialize pointers to SMC */
-
- sp = (smc_t *) &(cp->cp_smc[SMC_INDEX]);
- up = (smc_uart_t *) &cp->cp_dparam[PROFF_SMC];
-
- /* Disable transmitter/receiver.
- */
- sp->smc_smcmr &= ~(SMCMR_REN | SMCMR_TEN);
-
- /* Enable SDMA.
- */
- im->im_siu_conf.sc_sdcr = 1;
-
- /* clear error conditions */
-#ifdef CONFIG_SYS_SDSR
- im->im_sdma.sdma_sdsr = CONFIG_SYS_SDSR;
-#else
- im->im_sdma.sdma_sdsr = 0x83;
-#endif
-
- /* clear SDMA interrupt mask */
-#ifdef CONFIG_SYS_SDMR
- im->im_sdma.sdma_sdmr = CONFIG_SYS_SDMR;
-#else
- im->im_sdma.sdma_sdmr = 0x00;
-#endif
-
- /* Use Port B for SMC1 instead of other functions.
- */
- cp->cp_pbpar |= 0x000000c0;
- cp->cp_pbdir &= ~0x000000c0;
- cp->cp_pbodr &= ~0x000000c0;
-
- /* Set the physical address of the host memory buffers in
- * the buffer descriptors.
- */
-
-#ifdef CONFIG_SYS_ALLOC_DPRAM
- dpaddr = dpram_alloc_align (sizeof(cbd_t)*2 + 2, 8) ;
-#else
- dpaddr = CPM_KEYBOARD_BASE ;
-#endif
-
- /* Allocate space for two buffer descriptors in the DP ram.
- * For now, this address seems OK, but it may have to
- * change with newer versions of the firmware.
- * damm: allocating space after the two buffers for rx/tx data
- */
-
- rbdf = (cbd_t *)&cp->cp_dpmem[dpaddr];
- rbdf->cbd_bufaddr = (uint) (rbdf+2);
- rbdf->cbd_sc = 0;
- tbdf = rbdf + 1;
- tbdf->cbd_bufaddr = ((uint) (rbdf+2)) + 1;
- tbdf->cbd_sc = 0;
-
- /* Set up the uart parameters in the parameter ram.
- */
- up->smc_rbase = dpaddr;
- up->smc_tbase = dpaddr+sizeof(cbd_t);
- up->smc_rfcr = SMC_EB;
- up->smc_tfcr = SMC_EB;
-
- /* Set UART mode, 8 bit, no parity, one stop.
- * Enable receive and transmit.
- */
- sp->smc_smcmr = smcr_mk_clen(9) | SMCMR_SM_UART;
-
- /* Mask all interrupts and remove anything pending.
- */
- sp->smc_smcm = 0;
- sp->smc_smce = 0xff;
-
- /* Set up the baud rate generator.
- */
- smc1_setbrg ();
-
- /* Make the first buffer the only buffer.
- */
- tbdf->cbd_sc |= BD_SC_WRAP;
- rbdf->cbd_sc |= BD_SC_EMPTY | BD_SC_WRAP;
-
- /* Single character receive.
- */
- up->smc_mrblr = 1;
- up->smc_maxidl = 0;
-
- /* Initialize Tx/Rx parameters.
- */
-
- while (cp->cp_cpcr & CPM_CR_FLG) /* wait if cp is busy */
- ;
-
- cp->cp_cpcr = mk_cr_cmd(CPM_CR_CH_SMC, CPM_CR_INIT_TRX) | CPM_CR_FLG;
-
- while (cp->cp_cpcr & CPM_CR_FLG) /* wait if cp is busy */
- ;
-
- /* Enable transmitter/receiver.
- */
- sp->smc_smcmr |= SMCMR_REN | SMCMR_TEN;
-
- return (0);
-}
-
-void smc1_putc(const char c)
-{
- volatile cbd_t *tbdf;
- volatile char *buf;
- volatile smc_uart_t *up;
- volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
- volatile cpm8xx_t *cpmp = &(im->im_cpm);
-
- up = (smc_uart_t *)&cpmp->cp_dparam[PROFF_SMC];
-
- tbdf = (cbd_t *)&cpmp->cp_dpmem[up->smc_tbase];
-
- /* Wait for last character to go.
- */
-
- buf = (char *)tbdf->cbd_bufaddr;
-
- *buf = c;
- tbdf->cbd_datlen = 1;
- tbdf->cbd_sc |= BD_SC_READY;
- __asm__("eieio");
-
- while (tbdf->cbd_sc & BD_SC_READY) {
- WATCHDOG_RESET ();
- __asm__("eieio");
- }
-}
-
-int smc1_getc(void)
-{
- volatile cbd_t *rbdf;
- volatile unsigned char *buf;
- volatile smc_uart_t *up;
- volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
- volatile cpm8xx_t *cpmp = &(im->im_cpm);
- unsigned char c;
-
- up = (smc_uart_t *)&cpmp->cp_dparam[PROFF_SMC];
-
- rbdf = (cbd_t *)&cpmp->cp_dpmem[up->smc_rbase];
-
- /* Wait for character to show up.
- */
- buf = (unsigned char *)rbdf->cbd_bufaddr;
-
- while (rbdf->cbd_sc & BD_SC_EMPTY)
- WATCHDOG_RESET ();
-
- c = *buf;
- rbdf->cbd_sc |= BD_SC_EMPTY;
-
- return(c);
-}
-
-int smc1_tstc(void)
-{
- volatile cbd_t *rbdf;
- volatile smc_uart_t *up;
- volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
- volatile cpm8xx_t *cpmp = &(im->im_cpm);
-
- up = (smc_uart_t *)&cpmp->cp_dparam[PROFF_SMC];
-
- rbdf = (cbd_t *)&cpmp->cp_dpmem[up->smc_rbase];
-
- return(!(rbdf->cbd_sc & BD_SC_EMPTY));
-}
-
-/* search for keyboard and register it if found */
-int drv_keyboard_init(void)
-{
- int error = 0;
- struct stdio_dev kbd_dev;
-
- if (0) {
- /* register the keyboard */
- memset (&kbd_dev, 0, sizeof(struct stdio_dev));
- strcpy(kbd_dev.name, "kbd");
- kbd_dev.flags = DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM;
- kbd_dev.putc = NULL;
- kbd_dev.puts = NULL;
- kbd_dev.getc = smc1_getc;
- kbd_dev.tstc = smc1_tstc;
- error = stdio_register (&kbd_dev);
- } else {
- lcd_is_enabled = 0;
- lcd_disable();
- }
- return error;
-}
diff --git a/board/rbc823/rbc823.c b/board/rbc823/rbc823.c
deleted file mode 100644
index 5881111..0000000
--- a/board/rbc823/rbc823.c
+++ /dev/null
@@ -1,256 +0,0 @@
-/*
- * (C) Copyright 2000
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include "mpc8xx.h"
-#include <linux/mtd/doc2000.h>
-
-extern int kbd_init(void);
-extern int drv_kbd_init(void);
-
-/* ------------------------------------------------------------------------- */
-
-static long int dram_size (long int, long int *, long int);
-
-/* ------------------------------------------------------------------------- */
-
-#define _NOT_USED_ 0xFFFFFFFF
-
-const uint sdram_table[] =
-{
- /*
- * Single Read. (Offset 0 in UPMA RAM)
- */
- 0x1F07FC04, 0xEEAEFC04, 0x11ADFC04, 0xEFBBBC00,
- 0x1FF77C47, /* last */
- /*
- * SDRAM Initialization (offset 5 in UPMA 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.
- *
- */
- 0x1FF77C34, 0xEFEABC34, 0x1FB57C35, /* last */
- /*
- * Burst Read. (Offset 8 in UPMA 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 UPMA RAM)
- */
- 0x1F27FC04, 0xEEAEBC00, 0x01B93C04, 0x1FF77C47, /* last */
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- /*
- * Burst Write. (Offset 20 in UPMA 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 UPMA RAM)
- */
- 0x1FF5FC84, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04,
- 0xFFFFFC84, 0xFFFFFC07, /* last */
- _NOT_USED_, _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- /*
- * Exception. (Offset 3c in UPMA RAM)
- */
- 0x1FF7FC07, /* last */
- _NOT_USED_, _NOT_USED_, _NOT_USED_,
-};
-
-const uint static_table[] =
-{
- /*
- * Single Read. (Offset 0 in UPMA RAM)
- */
- 0x0FFFFC04, 0x0FF3FC04, 0x0FF3CC04, 0x0FF3CC04,
- 0x0FF3EC04, 0x0FF3CC00, 0x0FF7FC04, 0x3FFFFC04,
- 0xFFFFFC04, 0xFFFFFC05, /* 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_,
- /*
- * Single Write. (Offset 18 in UPMA RAM)
- */
- 0x0FFFFC04, 0x00FFFC04, 0x00FFFC04, 0x00FFFC04,
- 0x01FFFC00, 0x3FFFFC04, 0xFFFFFC04, 0xFFFFFC05, /* 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_,
- _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_,
-};
-
-/* ------------------------------------------------------------------------- */
-
-/*
- * Check Board Identity:
- *
- * Test TQ ID string (TQM8xx...)
- * If present, check for "L" type (no second DRAM bank),
- * otherwise "L" type is assumed as default.
- *
- * Return 1 for "L" type, 0 else.
- */
-
-int checkboard (void)
-{
- char buf[64];
- int i = getenv_f("serial#", buf, sizeof(buf));
-
- if (i < 0 || strncmp(buf, "TQM8", 4)) {
- printf ("### No HW ID - assuming RBC823\n");
- return (0);
- }
-
- puts(buf);
- putc('\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, size8, size9;
-
- upmconfig (UPMA, (uint *) sdram_table,
- sizeof (sdram_table) / sizeof (uint));
-
- /*
- * 1 Bank of 64Mbit x 2 devices
- */
- memctl->memc_mptpr = CONFIG_SYS_MPTPR_1BK_4K;
- memctl->memc_mar = 0x00000088;
-
- /*
- * Map controller SDRAM bank 0
- */
- memctl->memc_or4 = CONFIG_SYS_OR4_PRELIM;
- memctl->memc_br4 = CONFIG_SYS_BR4_PRELIM;
- memctl->memc_mamr = CONFIG_SYS_MAMR_8COL & (~(MAMR_PTAE)); /* no refresh yet */
- udelay (200);
-
- /*
- * Perform SDRAM initializsation sequence
- */
- memctl->memc_mcr = 0x80008105; /* SDRAM bank 0 */
- udelay (1);
- memctl->memc_mamr = (CONFIG_SYS_MAMR_8COL & ~(MAMR_TLFA_MSK)) | MAMR_TLFA_8X;
- udelay (200);
- memctl->memc_mcr = 0x80008130; /* SDRAM bank 0 - execute twice */
- udelay (1);
- memctl->memc_mamr = (CONFIG_SYS_MAMR_8COL & ~(MAMR_TLFA_MSK)) | MAMR_TLFA_4X;
- udelay (200);
-
- memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */
- udelay (1000);
-
- /*
- * Preliminary prescaler for refresh (depends on number of
- * banks): This value is selected for four cycles every 62.4 us
- * with two SDRAM banks or four cycles every 31.2 us with one
- * bank. It will be adjusted after memory sizing.
- */
- memctl->memc_mptpr = CONFIG_SYS_MPTPR_2BK_4K; /* 16: but should be: CONFIG_SYS_MPTPR_1BK_4K */
-
- /*
- * Check Bank 0 Memory Size for re-configuration
- *
- * try 8 column mode
- */
- size8 = dram_size (CONFIG_SYS_MAMR_8COL, (long *) SDRAM_BASE4_PRELIM,
- SDRAM_MAX_SIZE);
- udelay (1000);
-
- /*
- * try 9 column mode
- */
- size9 = dram_size (CONFIG_SYS_MAMR_9COL, (long *) SDRAM_BASE4_PRELIM,
- SDRAM_MAX_SIZE);
-
- if (size8 < size9) { /* leave configuration at 9 columns */
- size_b0 = size9;
-/* debug ("SDRAM Bank 0 in 9 column mode: %ld MB\n", size >> 20); */
- } else { /* back to 8 columns */
- size_b0 = size8;
- memctl->memc_mamr = CONFIG_SYS_MAMR_8COL;
- udelay (500);
-/* debug ("SDRAM Bank 0 in 8 column mode: %ld MB\n", size >> 20); */
- }
-
- udelay (1000);
-
- /*
- * Adjust refresh rate depending on SDRAM type, both banks
- * For types > 128 MBit leave it at the current (fast) rate
- */
- if ((size_b0 < 0x02000000)) {
- /* reduce to 15.6 us (62.4 us / quad) */
- memctl->memc_mptpr = CONFIG_SYS_MPTPR_2BK_4K;
- udelay (1000);
- }
-
- /* SDRAM Bank 0 is bigger - map first */
-
- memctl->memc_or4 = ((-size_b0) & 0xFFFF0000) | CONFIG_SYS_OR_TIMING_SDRAM;
- memctl->memc_br4 = (CONFIG_SYS_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V;
-
- udelay (10000);
-
- 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_mamr = mamr_value;
-
- return (get_ram_size (base, maxsize));
-}
-
-#ifdef CONFIG_CMD_DOC
-void doc_init (void)
-{
- volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
- volatile memctl8xx_t *memctl = &immap->im_memctl;
-
- upmconfig (UPMB, (uint *) static_table,
- sizeof (static_table) / sizeof (uint));
- memctl->memc_mbmr = MAMR_DSA_1_CYCL;
-
- doc_probe (FLASH_BASE1_PRELIM);
-}
-#endif
diff --git a/board/rbc823/u-boot.lds b/board/rbc823/u-boot.lds
deleted file mode 100644
index 7676cf4..0000000
--- a/board/rbc823/u-boot.lds
+++ /dev/null
@@ -1,92 +0,0 @@
-/*
- * (C) Copyright 2000-2010
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-OUTPUT_ARCH(powerpc)
-
-SECTIONS
-{
- /* Read-only sections, merged into text segment: */
- . = + SIZEOF_HEADERS;
- .text :
- {
- /* WARNING - the following is hand-optimized to fit within */
- /* the sector layout of our flash chips! XXX FIXME XXX */
-
- arch/powerpc/cpu/mpc8xx/start.o (.text*)
- arch/powerpc/cpu/mpc8xx/traps.o (.text*)
-
- lib/built-in.o (.text*)
- net/built-in.o (.text*)
- arch/powerpc/cpu/mpc8xx/built-in.o (.text*)
- arch/powerpc/lib/built-in.o (.text*)
-
- . = env_offset;
- common/env_embedded.o (.text*)
-
- *(.text*)
- }
- _etext = .;
- PROVIDE (etext = .);
- .rodata :
- {
- *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
- }
-
- /* Read-write section, merged into data segment: */
- . = (. + 0x00FF) & 0xFFFFFF00;
- _erotext = .;
- PROVIDE (erotext = .);
- .reloc :
- {
- _GOT2_TABLE_ = .;
- KEEP(*(.got2))
- KEEP(*(.got))
- PROVIDE(_GLOBAL_OFFSET_TABLE_ = . + 4);
- _FIXUP_TABLE_ = .;
- KEEP(*(.fixup))
- }
- __got2_entries = ((_GLOBAL_OFFSET_TABLE_ - _GOT2_TABLE_) >> 2) - 1;
- __fixup_entries = (. - _FIXUP_TABLE_)>>2;
-
- .data :
- {
- *(.data*)
- *(.sdata*)
- }
- _edata = .;
- PROVIDE (edata = .);
-
- . = .;
-
- . = ALIGN(4);
- .u_boot_list : {
- KEEP(*(SORT(.u_boot_list*)));
- }
-
- . = .;
- __start___ex_table = .;
- __ex_table : { *(__ex_table) }
- __stop___ex_table = .;
-
- . = ALIGN(256);
- __init_begin = .;
- .text.init : { *(.text.init) }
- .data.init : { *(.data.init) }
- . = ALIGN(256);
- __init_end = .;
-
- __bss_start = .;
- .bss (NOLOAD) :
- {
- *(.bss*)
- *(.sbss*)
- *(COMMON)
- . = ALIGN(4);
- }
- __bss_end = . ;
- PROVIDE (end = .);
-}