X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=board%2Fkeymile%2Fcommon%2Fcommon.c;h=f26230648d474598583bae608f23842aff11397b;hb=bfcc40bb09b05c90cc3b1496abb270eb8aa72134;hp=9be4c728bf151bde6eb73e3ee98c40a25cddf3a5;hpb=b0e51ebca2dc66e005e61084d08ad17ce611e890;p=u-boot diff --git a/board/keymile/common/common.c b/board/keymile/common/common.c index 9be4c728bf..f26230648d 100644 --- a/board/keymile/common/common.c +++ b/board/keymile/common/common.c @@ -2,6 +2,9 @@ * (C) Copyright 2008 * Heiko Schocher, DENX Software Engineering, hs@denx.de. * + * (C) Copyright 2011 + * Holger Brunck, Keymile GmbH Hannover, holger.brunck@keymile.com + * * See file CREDITS for list of people who contributed to this * project. * @@ -22,9 +25,6 @@ */ #include -#if defined(CONFIG_KM82XX) -#include -#endif #include #include #include @@ -34,47 +34,16 @@ #include #include -#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT) -#include -#endif - -#include "../common/common.h" +#include "common.h" #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) #include +#endif +#if !defined(CONFIG_MPC83xx) static void i2c_write_start_seq(void); -static int i2c_make_abort(void); -DECLARE_GLOBAL_DATA_PTR; +#endif -int ivm_calc_crc(unsigned char *buf, int len) -{ - const unsigned short crc_tab[16] = { - 0x0000, 0xCC01, 0xD801, 0x1400, - 0xF001, 0x3C00, 0x2800, 0xE401, - 0xA001, 0x6C00, 0x7800, 0xB401, - 0x5000, 0x9C01, 0x8801, 0x4400}; - - unsigned short crc = 0; /* final result */ - unsigned short r1 = 0; /* temp */ - unsigned char byte = 0; /* input buffer */ - int i; - - /* calculate CRC from array data */ - for (i = 0; i < len; i++) { - byte = buf[i]; - - /* lower 4 bits */ - r1 = crc_tab[crc & 0xF]; - crc = ((crc) >> 4) & 0x0FFF; - crc = crc ^ r1 ^ crc_tab[byte & 0xF]; - - /* upper 4 bits */ - r1 = crc_tab[crc & 0xF]; - crc = (crc >> 4) & 0x0FFF; - crc = crc ^ r1 ^ crc_tab[(byte >> 4) & 0xF]; - } - return crc; -} +DECLARE_GLOBAL_DATA_PTR; /* * Set Keymile specific environment variables @@ -94,372 +63,36 @@ int set_km_env(void) unsigned int pnvramaddr; unsigned int pram; unsigned int varaddr; + unsigned int kernelmem; + char *p; + unsigned long rootfssize = 0; pnvramaddr = gd->ram_size - CONFIG_KM_RESERVED_PRAM - CONFIG_KM_PHRAM - CONFIG_KM_PNVRAM; sprintf((char *)buf, "0x%x", pnvramaddr); setenv("pnvramaddr", (char *)buf); - pram = (CONFIG_KM_RESERVED_PRAM + CONFIG_KM_PHRAM + CONFIG_KM_PNVRAM) / - 0x400; + /* try to read rootfssize (ram image) from envrionment */ + p = getenv("rootfssize"); + if (p != NULL) + strict_strtoul(p, 16, &rootfssize); + pram = (rootfssize + CONFIG_KM_RESERVED_PRAM + CONFIG_KM_PHRAM + + CONFIG_KM_PNVRAM) / 0x400; sprintf((char *)buf, "0x%x", pram); setenv("pram", (char *)buf); varaddr = gd->ram_size - CONFIG_KM_RESERVED_PRAM - CONFIG_KM_PHRAM; sprintf((char *)buf, "0x%x", varaddr); setenv("varaddr", (char *)buf); - return 0; -} -static int ivm_set_value(char *name, char *value) -{ - char tempbuf[256]; + kernelmem = gd->ram_size - 0x400 * pram; + sprintf((char *)buf, "0x%x", kernelmem); + setenv("kernelmem", (char *)buf); - if (value != NULL) { - sprintf(tempbuf, "%s=%s", name, value); - return set_local_var(tempbuf, 0); - } else { - unset_local_var(name); - } return 0; } -static int ivm_get_value(unsigned char *buf, int len, char *name, int off, - int check) -{ - unsigned short val; - unsigned char valbuf[30]; - - if ((buf[off + 0] != buf[off + 2]) && - (buf[off + 2] != buf[off + 4])) { - printf("%s Error corrupted %s\n", __func__, name); - val = -1; - } else { - val = buf[off + 0] + (buf[off + 1] << 8); - if ((val == 0) && (check == 1)) - val = -1; - } - sprintf((char *)valbuf, "%x", val); - ivm_set_value(name, (char *)valbuf); - return val; -} - -#define INV_BLOCKSIZE 0x100 -#define INV_DATAADDRESS 0x21 -#define INVENTORYDATASIZE (INV_BLOCKSIZE - INV_DATAADDRESS - 3) - -#define IVM_POS_SHORT_TEXT 0 -#define IVM_POS_MANU_ID 1 -#define IVM_POS_MANU_SERIAL 2 -#define IVM_POS_PART_NUMBER 3 -#define IVM_POS_BUILD_STATE 4 -#define IVM_POS_SUPPLIER_PART_NUMBER 5 -#define IVM_POS_DELIVERY_DATE 6 -#define IVM_POS_SUPPLIER_BUILD_STATE 7 -#define IVM_POS_CUSTOMER_ID 8 -#define IVM_POS_CUSTOMER_PROD_ID 9 -#define IVM_POS_HISTORY 10 -#define IVM_POS_SYMBOL_ONLY 11 - -static char convert_char(char c) -{ - return (c < ' ' || c > '~') ? '.' : c; -} - -static int ivm_findinventorystring(int type, - unsigned char* const string, - unsigned long maxlen, - unsigned char *buf) -{ - int xcode = 0; - unsigned long cr = 0; - unsigned long addr = INV_DATAADDRESS; - unsigned long size = 0; - unsigned long nr = type; - int stop = 0; /* stop on semicolon */ - - memset(string, '\0', maxlen); - switch (type) { - case IVM_POS_SYMBOL_ONLY: - nr = 0; - stop= 1; - break; - default: - nr = type; - stop = 0; - } - - /* Look for the requested number of CR. */ - while ((cr != nr) && (addr < INVENTORYDATASIZE)) { - if ((buf[addr] == '\r')) { - cr++; - } - addr++; - } - - /* - * the expected number of CR was found until the end of the IVM - * content --> fill string - */ - if (addr < INVENTORYDATASIZE) { - /* Copy the IVM string in the corresponding string */ - for (; (buf[addr] != '\r') && - ((buf[addr] != ';') || (!stop)) && - (size < (maxlen - 1) && - (addr < INVENTORYDATASIZE)); addr++) - { - size += sprintf((char *)string + size, "%c", - convert_char (buf[addr])); - } - - /* - * copy phase is done: check if everything is ok. If not, - * the inventory data is most probably corrupted: tell - * the world there is a problem! - */ - if (addr == INVENTORYDATASIZE) { - xcode = -1; - printf("Error end of string not found\n"); - } else if ((size >= (maxlen - 1)) && - (buf[addr] != '\r')) { - xcode = -1; - printf("string too long till next CR\n"); - } - } else { - /* - * some CR are missing... - * the inventory data is most probably corrupted - */ - xcode = -1; - printf("not enough cr found\n"); - } - return xcode; -} - -#define GET_STRING(name, which, len) \ - if (ivm_findinventorystring(which, valbuf, len, buf) == 0) { \ - ivm_set_value(name, (char *)valbuf); \ - } - -static int ivm_check_crc(unsigned char *buf, int block) -{ - unsigned long crc; - unsigned long crceeprom; - - crc = ivm_calc_crc(buf, CONFIG_SYS_IVM_EEPROM_PAGE_LEN - 2); - crceeprom = (buf[CONFIG_SYS_IVM_EEPROM_PAGE_LEN - 1] + \ - buf[CONFIG_SYS_IVM_EEPROM_PAGE_LEN - 2] * 256); - if (crc != crceeprom) { - if (block == 0) - printf("Error CRC Block: %d EEprom: calculated: \ - %lx EEprom: %lx\n", block, crc, crceeprom); - return -1; - } - return 0; -} - -static int ivm_analyze_block2(unsigned char *buf, int len) -{ - unsigned char valbuf[CONFIG_SYS_IVM_EEPROM_PAGE_LEN]; - unsigned long count; - - /* IVM_MacAddress */ - sprintf((char *)valbuf, "%pM", buf); - ivm_set_value("IVM_MacAddress", (char *)valbuf); - /* if an offset is defined, add it */ -#if defined(CONFIG_PIGGY_MAC_ADRESS_OFFSET) - if (CONFIG_PIGGY_MAC_ADRESS_OFFSET > 0) { - unsigned long val = (buf[4] << 16) + (buf[5] << 8) + buf[6]; - - val += CONFIG_PIGGY_MAC_ADRESS_OFFSET; - buf[4] = (val >> 16) & 0xff; - buf[5] = (val >> 8) & 0xff; - buf[6] = val & 0xff; - sprintf((char *)valbuf, "%pM", buf); - } -#endif - if (getenv("ethaddr") == NULL) - setenv((char *)"ethaddr", (char *)valbuf); - - /* IVM_MacCount */ - count = (buf[10] << 24) + - (buf[11] << 16) + - (buf[12] << 8) + - buf[13]; - if (count == 0xffffffff) - count = 1; - sprintf((char *)valbuf, "%lx", count); - ivm_set_value("IVM_MacCount", (char *)valbuf); - return 0; -} - -int ivm_analyze_eeprom(unsigned char *buf, int len) -{ - unsigned short val; - unsigned char valbuf[CONFIG_SYS_IVM_EEPROM_PAGE_LEN]; - unsigned char *tmp; - - if (ivm_check_crc(buf, 0) != 0) - return -1; - - ivm_get_value(buf, CONFIG_SYS_IVM_EEPROM_PAGE_LEN, - "IVM_BoardId", 0, 1); - val = ivm_get_value(buf, CONFIG_SYS_IVM_EEPROM_PAGE_LEN, - "IVM_HWKey", 6, 1); - if (val != 0xffff) { - sprintf((char *)valbuf, "%x", ((val / 100) % 10)); - ivm_set_value("IVM_HWVariant", (char *)valbuf); - sprintf((char *)valbuf, "%x", (val % 100)); - ivm_set_value("IVM_HWVersion", (char *)valbuf); - } - ivm_get_value(buf, CONFIG_SYS_IVM_EEPROM_PAGE_LEN, - "IVM_Functions", 12, 0); - - GET_STRING("IVM_Symbol", IVM_POS_SYMBOL_ONLY, 8) - GET_STRING("IVM_DeviceName", IVM_POS_SHORT_TEXT, 64) - tmp = (unsigned char *) getenv("IVM_DeviceName"); - if (tmp) { - int len = strlen((char *)tmp); - int i = 0; - - while (i < len) { - if (tmp[i] == ';') { - ivm_set_value("IVM_ShortText", - (char *)&tmp[i + 1]); - break; - } - i++; - } - if (i >= len) - ivm_set_value("IVM_ShortText", NULL); - } else { - ivm_set_value("IVM_ShortText", NULL); - } - GET_STRING("IVM_ManufacturerID", IVM_POS_MANU_ID, 32) - GET_STRING("IVM_ManufacturerSerialNumber", IVM_POS_MANU_SERIAL, 20) - GET_STRING("IVM_ManufacturerPartNumber", IVM_POS_PART_NUMBER, 32) - GET_STRING("IVM_ManufacturerBuildState", IVM_POS_BUILD_STATE, 32) - GET_STRING("IVM_SupplierPartNumber", IVM_POS_SUPPLIER_PART_NUMBER, 32) - GET_STRING("IVM_DelieveryDate", IVM_POS_DELIVERY_DATE, 32) - GET_STRING("IVM_SupplierBuildState", IVM_POS_SUPPLIER_BUILD_STATE, 32) - GET_STRING("IVM_CustomerID", IVM_POS_CUSTOMER_ID, 32) - GET_STRING("IVM_CustomerProductID", IVM_POS_CUSTOMER_PROD_ID, 32) - - if (ivm_check_crc(&buf[CONFIG_SYS_IVM_EEPROM_PAGE_LEN * 2], 2) != 0) - return 0; - ivm_analyze_block2(&buf[CONFIG_SYS_IVM_EEPROM_PAGE_LEN * 2], - CONFIG_SYS_IVM_EEPROM_PAGE_LEN); - - return 0; -} - -int ivm_read_eeprom(void) -{ -#if defined(CONFIG_I2C_MUX) - I2C_MUX_DEVICE *dev = NULL; -#endif - uchar i2c_buffer[CONFIG_SYS_IVM_EEPROM_MAX_LEN]; - uchar *buf; - unsigned dev_addr = CONFIG_SYS_IVM_EEPROM_ADR; - int ret; - -#if defined(CONFIG_I2C_MUX) - /* First init the Bus, select the Bus */ -#if defined(CONFIG_SYS_I2C_IVM_BUS) - dev = i2c_mux_ident_muxstring((uchar *)CONFIG_SYS_I2C_IVM_BUS); -#else - buf = (unsigned char *) getenv("EEprom_ivm"); - if (buf != NULL) - dev = i2c_mux_ident_muxstring(buf); -#endif - if (dev == NULL) { - printf("Error couldnt add Bus for IVM\n"); - return -1; - } - i2c_set_bus_num(dev->busid); -#endif - - buf = (unsigned char *) getenv("EEprom_ivm_addr"); - if (buf != NULL) - dev_addr = simple_strtoul((char *)buf, NULL, 16); - - /* add deblocking here */ - i2c_make_abort(); - - ret = i2c_read(dev_addr, 0, 1, i2c_buffer, - CONFIG_SYS_IVM_EEPROM_MAX_LEN); - if (ret != 0) { - printf ("Error reading EEprom\n"); - return -2; - } - - return ivm_analyze_eeprom(i2c_buffer, CONFIG_SYS_IVM_EEPROM_MAX_LEN); -} - #if defined(CONFIG_SYS_I2C_INIT_BOARD) -#define DELAY_ABORT_SEQ 62 /* @200kHz 9 clocks = 44us, 62us is ok */ -#define DELAY_HALF_PERIOD (500 / (CONFIG_SYS_I2C_SPEED / 1000)) - -#if defined(CONFIG_KM_82XX) -#define SDA_MASK 0x00010000 -#define SCL_MASK 0x00020000 -void set_pin(int state, unsigned long mask) -{ - ioport_t *iop = ioport_addr((immap_t *)CONFIG_SYS_IMMR, 3); - - if (state) - setbits_be32(&iop->pdat, mask); - else - clrbits_be32(&iop->pdat, mask); - - setbits_be32(&iop->pdir, mask); -} - -static int get_pin(unsigned long mask) -{ - ioport_t *iop = ioport_addr((immap_t *)CONFIG_SYS_IMMR, 3); - - clrbits_be32(&iop->pdir, mask); - return 0 != (in_be32(&iop->pdat) & mask); -} - -static void set_sda(int state) -{ - set_pin(state, SDA_MASK); -} - -static void set_scl(int state) -{ - set_pin(state, SCL_MASK); -} - -static int get_sda(void) -{ - return get_pin(SDA_MASK); -} - -static int get_scl(void) -{ - return get_pin(SCL_MASK); -} - -#if defined(CONFIG_HARD_I2C) -static void setports(int gpio) -{ - ioport_t *iop = ioport_addr((immap_t *)CONFIG_SYS_IMMR, 3); - - if (gpio) { - clrbits_be32(&iop->ppar, (SDA_MASK | SCL_MASK)); - clrbits_be32(&iop->podr, (SDA_MASK | SCL_MASK)); - } else { - setbits_be32(&iop->ppar, (SDA_MASK | SCL_MASK)); - clrbits_be32(&iop->pdir, (SDA_MASK | SCL_MASK)); - setbits_be32(&iop->podr, (SDA_MASK | SCL_MASK)); - } -} -#endif -#endif - #if !defined(CONFIG_MPC83xx) static void i2c_write_start_seq(void) { @@ -481,7 +114,7 @@ static void i2c_write_start_seq(void) * This I2C Deblocking mechanism was developed by Keymile in association * with Anatech and Atmel in 1998. */ -static int i2c_make_abort(void) +int i2c_make_abort(void) { #if defined(CONFIG_HARD_I2C) && !defined(MACH_TYPE_KM_KIRKWOOD) @@ -515,6 +148,7 @@ static int i2c_make_abort(void) sda_state = get_sda(); if (scl_state && sda_state) { ret = 0; + printf("[INFO] i2c abort after %d clocks\n", i); break; } } @@ -522,6 +156,8 @@ static int i2c_make_abort(void) if (ret == 0) for (i = 0; i < 5; i++) i2c_write_start_seq(); + else + printf("[ERROR] i2c abort failed\n"); /* respect stop setup time */ udelay(DELAY_ABORT_SEQ); @@ -538,68 +174,6 @@ static int i2c_make_abort(void) } #endif -#if defined(CONFIG_MPC83xx) -static void i2c_write_start_seq(void) -{ - struct fsl_i2c *dev; - dev = (struct fsl_i2c *) (CONFIG_SYS_IMMR + CONFIG_SYS_I2C_OFFSET); - udelay(DELAY_ABORT_SEQ); - out_8(&dev->cr, (I2C_CR_MEN | I2C_CR_MSTA)); - udelay(DELAY_ABORT_SEQ); - out_8(&dev->cr, (I2C_CR_MEN)); -} - -static int i2c_make_abort(void) -{ - struct fsl_i2c *dev; - dev = (struct fsl_i2c *) (CONFIG_SYS_IMMR + CONFIG_SYS_I2C_OFFSET); - uchar dummy; - uchar last; - int nbr_read = 0; - int i = 0; - int ret = 0; - - /* wait after each operation to finsh with a delay */ - out_8(&dev->cr, (I2C_CR_MSTA)); - udelay(DELAY_ABORT_SEQ); - out_8(&dev->cr, (I2C_CR_MEN | I2C_CR_MSTA)); - udelay(DELAY_ABORT_SEQ); - dummy = in_8(&dev->dr); - udelay(DELAY_ABORT_SEQ); - last = in_8(&dev->dr); - nbr_read++; - - /* - * do read until the last bit is 1, but stop if the full eeprom is - * read. - */ - while (((last & 0x01) != 0x01) && - (nbr_read < CONFIG_SYS_IVM_EEPROM_MAX_LEN)) { - udelay(DELAY_ABORT_SEQ); - last = in_8(&dev->dr); - nbr_read++; - } - if ((last & 0x01) != 0x01) - ret = -2; - if ((last != 0xff) || (nbr_read > 1)) - printf("[INFO] i2c abort after %d bytes (0x%02x)\n", - nbr_read, last); - udelay(DELAY_ABORT_SEQ); - out_8(&dev->cr, (I2C_CR_MEN)); - udelay(DELAY_ABORT_SEQ); - /* clear status reg */ - out_8(&dev->sr, 0); - - for (i = 0; i < 5; i++) - i2c_write_start_seq(); - if (ret != 0) - printf("[ERROR] i2c abort failed after %d bytes (0x%02x)\n", - nbr_read, last); - - return ret; -} -#endif - /** * i2c_init_board - reset i2c bus. When the board is powercycled during a * bus transfer it might hang; for details see doc/I2C_Edge_Conditions. @@ -610,62 +184,7 @@ void i2c_init_board(void) i2c_make_abort(); } #endif -#endif -#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT) -int fdt_set_node_and_value(void *blob, - char *nodename, - char *regname, - void *var, - int size) -{ - int ret = 0; - int nodeoffset = 0; - - nodeoffset = fdt_path_offset(blob, nodename); - if (nodeoffset >= 0) { - ret = fdt_setprop(blob, nodeoffset, regname, var, - size); - if (ret < 0) - printf("ft_blob_update(): cannot set %s/%s " - "property err:%s\n", nodename, regname, - fdt_strerror(ret)); - } else { - printf("ft_blob_update(): cannot find %s node " - "err:%s\n", nodename, fdt_strerror(nodeoffset)); - } - return ret; -} - -int fdt_get_node_and_value(void *blob, - char *nodename, - char *propname, - void **var) -{ - int len; - int nodeoffset = 0; - - nodeoffset = fdt_path_offset(blob, nodename); - if (nodeoffset >= 0) { - *var = (void *)fdt_getprop(blob, nodeoffset, propname, &len); - if (len == 0) { - /* no value */ - printf("%s no value\n", __func__); - return -1; - } else if (len > 0) { - return len; - } else { - printf("libfdt fdt_getprop(): %s\n", - fdt_strerror(len)); - return -2; - } - } else { - printf("%s: cannot find %s node err:%s\n", __func__, - nodename, fdt_strerror(nodeoffset)); - return -3; - } -} -#endif #if !defined(MACH_TYPE_KM_KIRKWOOD) int ethernet_present(void) @@ -703,6 +222,7 @@ static int do_setboardid(cmd_tbl_t *cmdtp, int flag, int argc, } sprintf((char *)buf, "%s", p); setenv("boardid", (char *)buf); + printf("set boardid=%s\n", buf); p = get_local_var("IVM_HWKey"); if (p == NULL) { @@ -711,6 +231,8 @@ static int do_setboardid(cmd_tbl_t *cmdtp, int flag, int argc, } sprintf((char *)buf, "%s", p); setenv("hwkey", (char *)buf); + printf("set hwkey=%s\n", buf); + printf("Execute manually saveenv for persistent storage.\n"); return 0; } @@ -832,11 +354,7 @@ int do_checkboardidhwk(cmd_tbl_t *cmdtp, int flag, int argc, * Compare the values of the found entry in the * list with the valid values which are stored * in the inventory eeprom. If they are equal - * store the values in environment variables - * and save the environment. - * This can only happen once for the lifetime - * of a board, because once saved the function - * will never reach the while loop. + * set the values in environment variables. */ if ((bid == ivmbid) && (hwkey == ivmhwkey)) { char buf[10]; @@ -848,7 +366,6 @@ int do_checkboardidhwk(cmd_tbl_t *cmdtp, int flag, int argc, setenv("boardid", buf); sprintf(buf, "%lx", hwkey); setenv("hwkey", buf); - saveenv(); } } /* end while( ! found ) */ } @@ -859,7 +376,8 @@ int do_checkboardidhwk(cmd_tbl_t *cmdtp, int flag, int argc, printf("boardid=0x%3lX, hwkey=%ld\n", envbid, envhwkey); rc = 0; /* match */ } else { - printf("Error: env bId=0x%3lX, hwKey=%ld\n", envbid, envhwkey); + printf("Error: env boardid=0x%3lX, hwkey=%ld\n", envbid, + envhwkey); printf(" IVM bId=0x%3lX, hwKey=%ld\n", ivmbid, ivmhwkey); rc = 1; /* don't match */ }