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Diffstat (limited to 'board/cm5200/cm5200.c')
-rw-r--r-- | board/cm5200/cm5200.c | 355 |
1 files changed, 0 insertions, 355 deletions
diff --git a/board/cm5200/cm5200.c b/board/cm5200/cm5200.c deleted file mode 100644 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 */ |