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-rw-r--r--board/cm5200/cm5200.c355
1 files changed, 0 insertions, 355 deletions
diff --git a/board/cm5200/cm5200.c b/board/cm5200/cm5200.c
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index 0c647bbd3d..0000000000
--- a/board/cm5200/cm5200.c
+++ /dev/null
@@ -1,355 +0,0 @@
-/*
- * (C) Copyright 2003-2007
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * (C) Copyright 2004
- * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.com.
- *
- * (C) Copyright 2004-2005
- * Martin Krause, TQ-Systems GmbH, martin.krause@tqs.de
- *
- * Adapted to U-Boot 1.2 by:
- * Bartlomiej Sieka <tur@semihalf.com>:
- * - HW ID readout from EEPROM
- * - module detection
- * Grzegorz Bernacki <gjb@semihalf.com>:
- * - run-time SDRAM controller configuration
- * - LIBFDT support
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <mpc5xxx.h>
-#include <pci.h>
-#include <asm/processor.h>
-#include <i2c.h>
-#include <linux/ctype.h>
-
-#ifdef CONFIG_OF_LIBFDT
-#include <libfdt.h>
-#include <fdt_support.h>
-#endif /* CONFIG_OF_LIBFDT */
-
-
-#include "cm5200.h"
-#include "fwupdate.h"
-
-DECLARE_GLOBAL_DATA_PTR;
-
-static hw_id_t hw_id;
-
-
-#ifndef CONFIG_SYS_RAMBOOT
-/*
- * Helper function to initialize SDRAM controller.
- */
-static void sdram_start(int hi_addr, mem_conf_t *mem_conf)
-{
- long hi_addr_bit = hi_addr ? 0x01000000 : 0;
-
- /* unlock mode register */
- *(vu_long *)MPC5XXX_SDRAM_CTRL = mem_conf->control | 0x80000000 |
- hi_addr_bit;
-
- /* precharge all banks */
- *(vu_long *)MPC5XXX_SDRAM_CTRL = mem_conf->control | 0x80000002 |
- hi_addr_bit;
-
- /* auto refresh */
- *(vu_long *)MPC5XXX_SDRAM_CTRL = mem_conf->control | 0x80000004 |
- hi_addr_bit;
-
- /* auto refresh, second time */
- *(vu_long *)MPC5XXX_SDRAM_CTRL = mem_conf->control | 0x80000004 |
- hi_addr_bit;
-
- /* set mode register */
- *(vu_long *)MPC5XXX_SDRAM_MODE = mem_conf->mode;
-
- /* normal operation */
- *(vu_long *)MPC5XXX_SDRAM_CTRL = mem_conf->control | hi_addr_bit;
-}
-#endif /* CONFIG_SYS_RAMBOOT */
-
-
-/*
- * Retrieve memory configuration for a given module. board_type is the index
- * in hw_id_list[] corresponding to the module we are executing on; we return
- * SDRAM controller settings approprate for this module.
- */
-static mem_conf_t* get_mem_config(int board_type)
-{
- switch(board_type){
- case CM1_QA:
- return memory_config[0];
- case CM11_QA:
- case CMU1_QA:
- return memory_config[1];
- default:
- printf("ERROR: Unknown module, using a default SDRAM "
- "configuration - things may not work!!!.\n");
- return memory_config[0];
- }
-}
-
-
-/*
- * Initalize SDRAM - configure SDRAM controller, detect memory size.
- */
-int dram_init(void)
-{
- ulong dramsize = 0;
-#ifndef CONFIG_SYS_RAMBOOT
- ulong test1, test2;
- mem_conf_t *mem_conf;
-
- mem_conf = get_mem_config(gd->board_type);
-
- /* configure SDRAM start/end for detection */
- *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x0000001e; /* 2G at 0x0 */
-
- /* setup config registers */
- *(vu_long *)MPC5XXX_SDRAM_CONFIG1 = mem_conf->config1;
- *(vu_long *)MPC5XXX_SDRAM_CONFIG2 = mem_conf->config2;
-
- sdram_start(0, mem_conf);
- test1 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x80000000);
- sdram_start(1, mem_conf);
- test2 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x80000000);
- if (test1 > test2) {
- sdram_start(0, mem_conf);
- dramsize = test1;
- } else
- dramsize = test2;
-
- /* memory smaller than 1MB is impossible */
- if (dramsize < (1 << 20))
- dramsize = 0;
-
- /* set SDRAM CS0 size according to the amount of RAM found */
- if (dramsize > 0) {
- *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x13 +
- __builtin_ffs(dramsize >> 20) - 1;
- } else
- *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0; /* disabled */
-#else /* CONFIG_SYS_RAMBOOT */
- /* retrieve size of memory connected to SDRAM CS0 */
- dramsize = *(vu_long *)MPC5XXX_SDRAM_CS0CFG & 0xFF;
- if (dramsize >= 0x13)
- dramsize = (1 << (dramsize - 0x13)) << 20;
- else
- dramsize = 0;
-#endif /* !CONFIG_SYS_RAMBOOT */
-
- /*
- * On MPC5200B we need to set the special configuration delay in the
- * DDR controller. Refer to chapter 8.7.5 SDelay--MBAR + 0x0190 of
- * the MPC5200B User's Manual.
- */
- *(vu_long *)MPC5XXX_SDRAM_SDELAY = 0x04;
- __asm__ volatile ("sync");
-
- gd->ram_size = dramsize;
-
- return 0;
-}
-
-
-/*
- * Read module hardware identification data from the I2C EEPROM.
- */
-static void read_hw_id(hw_id_t hw_id)
-{
- printf("ERROR: can't read HW ID from EEPROM\n");
-}
-
-
-/*
- * Identify module we are running on, set gd->board_type to the index in
- * hw_id_list[] corresponding to the module identifed, or to
- * CM5200_UNKNOWN_MODULE if we can't identify the module.
- */
-static void identify_module(hw_id_t hw_id)
-{
- int i, j, element;
- char match;
- gd->board_type = CM5200_UNKNOWN_MODULE;
- for (i = 0; i < sizeof (hw_id_list) / sizeof (char **); ++i) {
- match = 1;
- for (j = 0; j < sizeof (hw_id_identify) / sizeof (int); ++j) {
- element = hw_id_identify[j];
- if (strncmp(hw_id_list[i][element],
- &hw_id[element][0],
- hw_id_format[element].length) != 0) {
- match = 0;
- break;
- }
- }
- if (match) {
- gd->board_type = i;
- break;
- }
- }
-}
-
-
-/*
- * Compose string with module name.
- * buf is assumed to have enough space, and be null-terminated.
- */
-static void compose_module_name(hw_id_t hw_id, char *buf)
-{
- char tmp[MODULE_NAME_MAXLEN];
- strncat(buf, &hw_id[PCB_NAME][0], hw_id_format[PCB_NAME].length);
- strncat(buf, ".", 1);
- strncat(buf, &hw_id[FORM][0], hw_id_format[FORM].length);
- strncat(buf, &hw_id[VERSION][0], hw_id_format[VERSION].length);
- strncat(buf, " (", 2);
- strncat(buf, &hw_id[IDENTIFICATION_NUMBER][0],
- hw_id_format[IDENTIFICATION_NUMBER].length);
- sprintf(tmp, " / %u.%u)",
- hw_id[MAJOR_SW_VERSION][0],
- hw_id[MINOR_SW_VERSION][0]);
- strcat(buf, tmp);
-}
-
-#if defined(CONFIG_SYS_I2C_SOFT)
-/*
- * Compose string with hostname.
- * buf is assumed to have enough space, and be null-terminated.
- */
-static void compose_hostname(hw_id_t hw_id, char *buf)
-{
- char *p;
- strncat(buf, &hw_id[PCB_NAME][0], hw_id_format[PCB_NAME].length);
- strncat(buf, "_", 1);
- strncat(buf, &hw_id[FORM][0], hw_id_format[FORM].length);
- strncat(buf, &hw_id[VERSION][0], hw_id_format[VERSION].length);
- for (p = buf; *p; ++p)
- *p = tolower(*p);
-
-}
-#endif
-
-#ifdef CONFIG_OF_BOARD_SETUP
-/*
- * Update 'model' and 'memory' properties in the blob according to the module
- * that we are running on.
- */
-static void ft_blob_update(void *blob, bd_t *bd)
-{
- int len, ret, nodeoffset = 0;
- char module_name[MODULE_NAME_MAXLEN] = {0};
-
- compose_module_name(hw_id, module_name);
- len = strlen(module_name) + 1;
-
- ret = fdt_setprop(blob, nodeoffset, "model", module_name, len);
- if (ret < 0)
- printf("ft_blob_update(): cannot set /model property err:%s\n",
- fdt_strerror(ret));
-}
-#endif /* CONFIG_OF_BOARD_SETUP */
-
-
-/*
- * Read HW ID from I2C EEPROM and detect the modue we are running on. Note
- * that we need to use local variable for readout, because global data is not
- * writable yet (and we'll have to redo the readout later on).
- */
-int checkboard(void)
-{
- hw_id_t hw_id_tmp;
- char module_name_tmp[MODULE_NAME_MAXLEN] = "";
-
- read_hw_id(hw_id_tmp);
- identify_module(hw_id_tmp); /* this sets gd->board_type */
- compose_module_name(hw_id_tmp, module_name_tmp);
-
- if (gd->board_type != CM5200_UNKNOWN_MODULE)
- printf("Board: %s\n", module_name_tmp);
- else
- printf("Board: unrecognized cm5200 module (%s)\n",
- module_name_tmp);
-
- return 0;
-}
-
-
-int board_early_init_r(void)
-{
- /*
- * Now, when we are in RAM, enable flash write access for detection
- * process. Note that CS_BOOT cannot be cleared when executing in
- * flash.
- */
- *(vu_long *)MPC5XXX_BOOTCS_CFG &= ~0x1; /* clear RO */
-
- /* Now that we can write to global data, read HW ID again. */
- read_hw_id(hw_id);
- return 0;
-}
-
-
-#ifdef CONFIG_MISC_INIT_R
-int misc_init_r(void)
-{
-#if defined(CONFIG_SYS_I2C_SOFT)
- uchar buf[6];
- char str[18];
- char hostname[MODULE_NAME_MAXLEN];
-
- /* Read ethaddr from EEPROM */
- if (i2c_read(CONFIG_SYS_I2C_EEPROM, CONFIG_MAC_OFFSET, 2, buf, 6) == 0) {
- sprintf(str, "%02X:%02X:%02X:%02X:%02X:%02X",
- buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
- /* Check if MAC addr is owned by Schindler */
- if (strstr(str, "00:06:C3") != str)
- printf(LOG_PREFIX "Warning - Illegal MAC address (%s)"
- " in EEPROM.\n", str);
- else {
- printf(LOG_PREFIX "Using MAC (%s) from I2C EEPROM\n",
- str);
- setenv("ethaddr", str);
- }
- } else {
- printf(LOG_PREFIX "Warning - Unable to read MAC from I2C"
- " device at address %02X:%04X\n", CONFIG_SYS_I2C_EEPROM,
- CONFIG_MAC_OFFSET);
- }
- hostname[0] = 0x00;
- /* set the hostname appropriate to the module we're running on */
- compose_hostname(hw_id, hostname);
- setenv("hostname", hostname);
-
-#endif /* defined(CONFIG_SYS_I2C_SOFT) */
- if (!getenv("ethaddr"))
- printf(LOG_PREFIX "MAC address not set, networking is not "
- "operational\n");
-
- return 0;
-}
-#endif /* CONFIG_MISC_INIT_R */
-
-
-#ifdef CONFIG_LAST_STAGE_INIT
-int last_stage_init(void)
-{
-#ifdef CONFIG_USB_STORAGE
- cm5200_fwupdate();
-#endif /* CONFIG_USB_STORAGE */
- return 0;
-}
-#endif /* CONFIG_LAST_STAGE_INIT */
-
-
-#ifdef CONFIG_OF_BOARD_SETUP
-int ft_board_setup(void *blob, bd_t *bd)
-{
- ft_cpu_setup(blob, bd);
- ft_blob_update(blob, bd);
-
- return 0;
-}
-#endif /* CONFIG_OF_BOARD_SETUP */