diff options
Diffstat (limited to 'arch/mips/lasat/lasat_board.c')
-rw-r--r-- | arch/mips/lasat/lasat_board.c | 268 |
1 files changed, 0 insertions, 268 deletions
diff --git a/arch/mips/lasat/lasat_board.c b/arch/mips/lasat/lasat_board.c deleted file mode 100644 index 80e1ba541148..000000000000 --- a/arch/mips/lasat/lasat_board.c +++ /dev/null @@ -1,268 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Thomas Horsten <thh@lasat.com> - * Copyright (C) 2000 LASAT Networks A/S. - * - * Routines specific to the LASAT boards - */ -#include <linux/types.h> -#include <linux/crc32.h> -#include <asm/lasat/lasat.h> -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/ctype.h> -#include <linux/mutex.h> -#include <asm/addrspace.h> -#include "at93c.h" -/* New model description table */ -#include "lasat_models.h" - -static DEFINE_MUTEX(lasat_eeprom_mutex); - -#define EEPROM_CRC(data, len) (~crc32(~0, data, len)) - -struct lasat_info lasat_board_info; - -int EEPROMRead(unsigned int pos, unsigned char *data, int len) -{ - int i; - - for (i = 0; i < len; i++) - *data++ = at93c_read(pos++); - - return 0; -} - -int EEPROMWrite(unsigned int pos, unsigned char *data, int len) -{ - int i; - - for (i = 0; i < len; i++) - at93c_write(pos++, *data++); - - return 0; -} - -static void init_flash_sizes(void) -{ - unsigned long *lb = lasat_board_info.li_flashpart_base; - unsigned long *ls = lasat_board_info.li_flashpart_size; - int i; - - ls[LASAT_MTD_BOOTLOADER] = 0x40000; - ls[LASAT_MTD_SERVICE] = 0xC0000; - ls[LASAT_MTD_NORMAL] = 0x100000; - - if (!IS_LASAT_200()) { - lasat_board_info.li_flash_base = 0x1e000000; - - lb[LASAT_MTD_BOOTLOADER] = 0x1e400000; - - if (lasat_board_info.li_flash_size > 0x200000) { - ls[LASAT_MTD_CONFIG] = 0x100000; - ls[LASAT_MTD_FS] = 0x500000; - } - } else { - lasat_board_info.li_flash_base = 0x10000000; - - if (lasat_board_info.li_flash_size < 0x1000000) { - lb[LASAT_MTD_BOOTLOADER] = 0x10000000; - ls[LASAT_MTD_CONFIG] = 0x100000; - if (lasat_board_info.li_flash_size >= 0x400000) - ls[LASAT_MTD_FS] = - lasat_board_info.li_flash_size - 0x300000; - } - } - - for (i = 1; i < LASAT_MTD_LAST; i++) - lb[i] = lb[i-1] + ls[i-1]; -} - -int lasat_init_board_info(void) -{ - int c; - unsigned long crc; - unsigned long cfg0, cfg1; - const struct product_info *ppi; - int i_n_base_models = N_BASE_MODELS; - const char * const * i_txt_base_models = txt_base_models; - int i_n_prids = N_PRIDS; - - memset(&lasat_board_info, 0, sizeof(lasat_board_info)); - - /* First read the EEPROM info */ - EEPROMRead(0, (unsigned char *)&lasat_board_info.li_eeprom_info, - sizeof(struct lasat_eeprom_struct)); - - /* Check the CRC */ - crc = EEPROM_CRC((unsigned char *)(&lasat_board_info.li_eeprom_info), - sizeof(struct lasat_eeprom_struct) - 4); - - if (crc != lasat_board_info.li_eeprom_info.crc32) { - printk(KERN_WARNING "WARNING...\nWARNING...\nEEPROM CRC does " - "not match calculated, attempting to soldier on...\n"); - } - - if (lasat_board_info.li_eeprom_info.version != LASAT_EEPROM_VERSION) { - printk(KERN_WARNING "WARNING...\nWARNING...\nEEPROM version " - "%d, wanted version %d, attempting to soldier on...\n", - (unsigned int)lasat_board_info.li_eeprom_info.version, - LASAT_EEPROM_VERSION); - } - - cfg0 = lasat_board_info.li_eeprom_info.cfg[0]; - cfg1 = lasat_board_info.li_eeprom_info.cfg[1]; - - if (LASAT_W0_DSCTYPE(cfg0) != 1) { - printk(KERN_WARNING "WARNING...\nWARNING...\n" - "Invalid configuration read from EEPROM, attempting to " - "soldier on..."); - } - /* We have a valid configuration */ - - switch (LASAT_W0_SDRAMBANKSZ(cfg0)) { - case 0: - lasat_board_info.li_memsize = 0x0800000; - break; - case 1: - lasat_board_info.li_memsize = 0x1000000; - break; - case 2: - lasat_board_info.li_memsize = 0x2000000; - break; - case 3: - lasat_board_info.li_memsize = 0x4000000; - break; - case 4: - lasat_board_info.li_memsize = 0x8000000; - break; - default: - lasat_board_info.li_memsize = 0; - } - - switch (LASAT_W0_SDRAMBANKS(cfg0)) { - case 0: - break; - case 1: - lasat_board_info.li_memsize *= 2; - break; - default: - break; - } - - switch (LASAT_W0_BUSSPEED(cfg0)) { - case 0x0: - lasat_board_info.li_bus_hz = 60000000; - break; - case 0x1: - lasat_board_info.li_bus_hz = 66000000; - break; - case 0x2: - lasat_board_info.li_bus_hz = 66666667; - break; - case 0x3: - lasat_board_info.li_bus_hz = 80000000; - break; - case 0x4: - lasat_board_info.li_bus_hz = 83333333; - break; - case 0x5: - lasat_board_info.li_bus_hz = 100000000; - break; - } - - switch (LASAT_W0_CPUCLK(cfg0)) { - case 0x0: - lasat_board_info.li_cpu_hz = - lasat_board_info.li_bus_hz; - break; - case 0x1: - lasat_board_info.li_cpu_hz = - lasat_board_info.li_bus_hz + - (lasat_board_info.li_bus_hz >> 1); - break; - case 0x2: - lasat_board_info.li_cpu_hz = - lasat_board_info.li_bus_hz + - lasat_board_info.li_bus_hz; - break; - case 0x3: - lasat_board_info.li_cpu_hz = - lasat_board_info.li_bus_hz + - lasat_board_info.li_bus_hz + - (lasat_board_info.li_bus_hz >> 1); - break; - case 0x4: - lasat_board_info.li_cpu_hz = - lasat_board_info.li_bus_hz + - lasat_board_info.li_bus_hz + - lasat_board_info.li_bus_hz; - break; - } - - /* Flash size */ - switch (LASAT_W1_FLASHSIZE(cfg1)) { - case 0: - lasat_board_info.li_flash_size = 0x200000; - break; - case 1: - lasat_board_info.li_flash_size = 0x400000; - break; - case 2: - lasat_board_info.li_flash_size = 0x800000; - break; - case 3: - lasat_board_info.li_flash_size = 0x1000000; - break; - case 4: - lasat_board_info.li_flash_size = 0x2000000; - break; - } - - init_flash_sizes(); - - lasat_board_info.li_bmid = LASAT_W0_BMID(cfg0); - lasat_board_info.li_prid = lasat_board_info.li_eeprom_info.prid; - if (lasat_board_info.li_prid == 0xffff || lasat_board_info.li_prid == 0) - lasat_board_info.li_prid = lasat_board_info.li_bmid; - - /* Base model stuff */ - if (lasat_board_info.li_bmid > i_n_base_models) - lasat_board_info.li_bmid = i_n_base_models; - strcpy(lasat_board_info.li_bmstr, - i_txt_base_models[lasat_board_info.li_bmid]); - - /* Product ID dependent values */ - c = lasat_board_info.li_prid; - if (c >= i_n_prids) { - strcpy(lasat_board_info.li_namestr, "Unknown Model"); - strcpy(lasat_board_info.li_typestr, "Unknown Type"); - } else { - ppi = &vendor_info_table[0].vi_product_info[c]; - strcpy(lasat_board_info.li_namestr, ppi->pi_name); - if (ppi->pi_type) - strcpy(lasat_board_info.li_typestr, ppi->pi_type); - else - sprintf(lasat_board_info.li_typestr, "%d", 10 * c); - } - - return 0; -} - -void lasat_write_eeprom_info(void) -{ - unsigned long crc; - - mutex_lock(&lasat_eeprom_mutex); - - /* Generate the CRC */ - crc = EEPROM_CRC((unsigned char *)(&lasat_board_info.li_eeprom_info), - sizeof(struct lasat_eeprom_struct) - 4); - lasat_board_info.li_eeprom_info.crc32 = crc; - - /* Write the EEPROM info */ - EEPROMWrite(0, (unsigned char *)&lasat_board_info.li_eeprom_info, - sizeof(struct lasat_eeprom_struct)); - - mutex_unlock(&lasat_eeprom_mutex); -} |