diff options
Diffstat (limited to 'qemu/roms/u-boot/board/keymile/common')
| -rw-r--r-- | qemu/roms/u-boot/board/keymile/common/common.c | 373 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/keymile/common/common.h | 152 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/keymile/common/ivm.c | 316 |
3 files changed, 841 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/keymile/common/common.c b/qemu/roms/u-boot/board/keymile/common/common.c new file mode 100644 index 000000000..f941e44e8 --- /dev/null +++ b/qemu/roms/u-boot/board/keymile/common/common.c @@ -0,0 +1,373 @@ +/* + * (C) Copyright 2008 + * Heiko Schocher, DENX Software Engineering, hs@denx.de. + * + * (C) Copyright 2011 + * Holger Brunck, Keymile GmbH Hannover, holger.brunck@keymile.com + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <ioports.h> +#include <command.h> +#include <malloc.h> +#include <hush.h> +#include <net.h> +#include <netdev.h> +#include <asm/io.h> +#include <linux/ctype.h> + +#if defined(CONFIG_POST) +#include "post.h" +#endif +#include "common.h" +#include <i2c.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* + * Set Keymile specific environment variables + * Currently only some memory layout variables are calculated here + * ... ------------------------------------------------ + * ... |@rootfsaddr |@pnvramaddr |@varaddr |@reserved |@END_OF_RAM + * ... |<------------------- pram ------------------->| + * ... ------------------------------------------------ + * @END_OF_RAM: denotes the RAM size + * @pnvramaddr: Startadress of pseudo non volatile RAM in hex + * @pram : preserved ram size in k + * @varaddr : startadress for /var mounted into RAM + */ +int set_km_env(void) +{ + uchar buf[32]; + 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); + + /* 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); + + kernelmem = gd->ram_size - 0x400 * pram; + sprintf((char *)buf, "0x%x", kernelmem); + setenv("kernelmem", (char *)buf); + + return 0; +} + +#if defined(CONFIG_SYS_I2C_INIT_BOARD) +static void i2c_write_start_seq(void) +{ + set_sda(1); + udelay(DELAY_HALF_PERIOD); + set_scl(1); + udelay(DELAY_HALF_PERIOD); + set_sda(0); + udelay(DELAY_HALF_PERIOD); + set_scl(0); + udelay(DELAY_HALF_PERIOD); +} + +/* + * I2C is a synchronous protocol and resets of the processor in the middle + * of an access can block the I2C Bus until a powerdown of the full unit is + * done. This function toggles the SCL until the SCL and SCA line are + * released, but max. 16 times, after this a I2C start-sequence is sent. + * This I2C Deblocking mechanism was developed by Keymile in association + * with Anatech and Atmel in 1998. + */ +int i2c_make_abort(void) +{ + int scl_state = 0; + int sda_state = 0; + int i = 0; + int ret = 0; + + if (!get_sda()) { + ret = -1; + while (i < 16) { + i++; + set_scl(0); + udelay(DELAY_ABORT_SEQ); + set_scl(1); + udelay(DELAY_ABORT_SEQ); + scl_state = get_scl(); + sda_state = get_sda(); + if (scl_state && sda_state) { + ret = 0; + break; + } + } + } + if (ret == 0) + for (i = 0; i < 5; i++) + i2c_write_start_seq(); + + /* respect stop setup time */ + udelay(DELAY_ABORT_SEQ); + set_scl(1); + udelay(DELAY_ABORT_SEQ); + set_sda(1); + get_sda(); + + return ret; +} + +/** + * 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. + */ +void i2c_init_board(void) +{ + /* Now run the AbortSequence() */ + i2c_make_abort(); +} +#endif + +#if defined(CONFIG_KM_COMMON_ETH_INIT) +int board_eth_init(bd_t *bis) +{ + if (ethernet_present()) + return cpu_eth_init(bis); + + return -1; +} +#endif + +/* + * do_setboardid command + * read out the board id and the hw key from the intventory EEPROM and set + * this values as environment variables. + */ +static int do_setboardid(cmd_tbl_t *cmdtp, int flag, int argc, + char *const argv[]) +{ + unsigned char buf[32]; + char *p; + + p = get_local_var("IVM_BoardId"); + if (p == NULL) { + printf("can't get the IVM_Boardid\n"); + return 1; + } + sprintf((char *)buf, "%s", p); + setenv("boardid", (char *)buf); + printf("set boardid=%s\n", buf); + + p = get_local_var("IVM_HWKey"); + if (p == NULL) { + printf("can't get the IVM_HWKey\n"); + return 1; + } + 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; +} + +U_BOOT_CMD(km_setboardid, 1, 0, do_setboardid, "setboardid", "read out bid and " + "hwkey from IVM and set in environment"); + +/* + * command km_checkbidhwk + * if "boardid" and "hwkey" are not already set in the environment, do: + * if a "boardIdListHex" exists in the environment: + * - read ivm data for boardid and hwkey + * - compare each entry of the boardIdListHex with the + * IVM data: + * if match: + * set environment variables boardid, boardId, + * hwkey, hwKey to the found values + * both (boardid and boardId) are set because + * they might be used differently in the + * application and in the init scripts (?) + * return 0 in case of match, 1 if not match or error + */ +static int do_checkboardidhwk(cmd_tbl_t *cmdtp, int flag, int argc, + char *const argv[]) +{ + unsigned long ivmbid = 0, ivmhwkey = 0; + unsigned long envbid = 0, envhwkey = 0; + char *p; + int verbose = argc > 1 && *argv[1] == 'v'; + int rc = 0; + + /* + * first read out the real inventory values, these values are + * already stored in the local hush variables + */ + p = get_local_var("IVM_BoardId"); + if (p == NULL) { + printf("can't get the IVM_Boardid\n"); + return 1; + } + rc = strict_strtoul(p, 16, &ivmbid); + + p = get_local_var("IVM_HWKey"); + if (p == NULL) { + printf("can't get the IVM_HWKey\n"); + return 1; + } + rc = strict_strtoul(p, 16, &ivmhwkey); + + if (!ivmbid || !ivmhwkey) { + printf("Error: IVM_BoardId and/or IVM_HWKey not set!\n"); + return rc; + } + + /* now try to read values from environment if available */ + p = getenv("boardid"); + if (p != NULL) + rc = strict_strtoul(p, 16, &envbid); + p = getenv("hwkey"); + if (p != NULL) + rc = strict_strtoul(p, 16, &envhwkey); + + if (rc != 0) { + printf("strict_strtoul returns error: %d", rc); + return rc; + } + + if (!envbid || !envhwkey) { + /* + * BoardId/HWkey not available in the environment, so try the + * environment variable for BoardId/HWkey list + */ + char *bidhwklist = getenv("boardIdListHex"); + + if (bidhwklist) { + int found = 0; + char *rest = bidhwklist; + char *endp; + + if (verbose) { + printf("IVM_BoardId: %ld, IVM_HWKey=%ld\n", + ivmbid, ivmhwkey); + printf("boardIdHwKeyList: %s\n", + bidhwklist); + } + while (!found) { + /* loop over each bid/hwkey pair in the list */ + unsigned long bid = 0; + unsigned long hwkey = 0; + + while (*rest && !isxdigit(*rest)) + rest++; + /* + * use simple_strtoul because we need &end and + * we know we got non numeric char at the end + */ + bid = simple_strtoul(rest, &endp, 16); + /* BoardId and HWkey are separated with a "_" */ + if (*endp == '_') { + rest = endp + 1; + /* + * use simple_strtoul because we need + * &end + */ + hwkey = simple_strtoul(rest, &endp, 16); + rest = endp; + while (*rest && !isxdigit(*rest)) + rest++; + } + if ((!bid) || (!hwkey)) { + /* end of list */ + break; + } + if (verbose) { + printf("trying bid=0x%lX, hwkey=%ld\n", + bid, hwkey); + } + /* + * 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 + * set the values in environment variables. + */ + if ((bid == ivmbid) && (hwkey == ivmhwkey)) { + char buf[10]; + + found = 1; + envbid = bid; + envhwkey = hwkey; + sprintf(buf, "%lx", bid); + setenv("boardid", buf); + sprintf(buf, "%lx", hwkey); + setenv("hwkey", buf); + } + } /* end while( ! found ) */ + } + } + + /* compare now the values */ + if ((ivmbid == envbid) && (ivmhwkey == envhwkey)) { + printf("boardid=0x%3lX, hwkey=%ld\n", envbid, envhwkey); + rc = 0; /* match */ + } else { + 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 */ + } + return rc; +} + +U_BOOT_CMD(km_checkbidhwk, 2, 0, do_checkboardidhwk, + "check boardid and hwkey", + "[v]\n - check environment parameter "\ + "\"boardIdListHex\" against stored boardid and hwkey "\ + "from the IVM\n v: verbose output" +); + +/* + * command km_checktestboot + * if the testpin of the board is asserted, return 1 + * * else return 0 + */ +static int do_checktestboot(cmd_tbl_t *cmdtp, int flag, int argc, + char *const argv[]) +{ + int testpin = 0; + char *s = NULL; + int testboot = 0; + int verbose = argc > 1 && *argv[1] == 'v'; + +#if defined(CONFIG_POST) + testpin = post_hotkeys_pressed(); + s = getenv("test_bank"); +#endif + /* when test_bank is not set, act as if testpin is not asserted */ + testboot = (testpin != 0) && (s); + if (verbose) { + printf("testpin = %d\n", testpin); + printf("test_bank = %s\n", s ? s : "not set"); + printf("boot test app : %s\n", (testboot) ? "yes" : "no"); + } + /* return 0 means: testboot, therefore we need the inversion */ + return !testboot; +} + +U_BOOT_CMD(km_checktestboot, 2, 0, do_checktestboot, + "check if testpin is asserted", + "[v]\n v - verbose output" +); diff --git a/qemu/roms/u-boot/board/keymile/common/common.h b/qemu/roms/u-boot/board/keymile/common/common.h new file mode 100644 index 000000000..e075f4687 --- /dev/null +++ b/qemu/roms/u-boot/board/keymile/common/common.h @@ -0,0 +1,152 @@ +/* + * (C) Copyright 2008 + * Heiko Schocher, DENX Software Engineering, hs@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __KEYMILE_COMMON_H +#define __KEYMILE_COMMON_H + +#define WRG_RESET 0x80 +#define H_OPORTS_14 0x40 +#define WRG_LED 0x02 +#define WRL_BOOT 0x01 + +#define OPRTL_XBUFENA 0x20 + +#define H_OPORTS_SCC4_ENA 0x10 +#define H_OPORTS_SCC4_FD_ENA 0x04 +#define H_OPORTS_FCC1_PW_DWN 0x01 + +#define PIGGY_PRESENT 0x80 + +struct km_bec_fpga { + unsigned char id; + unsigned char rev; + unsigned char oprth; + unsigned char oprtl; + unsigned char res1[3]; + unsigned char bprth; + unsigned char bprtl; + unsigned char gprt3; + unsigned char gprt2; + unsigned char gprt1; + unsigned char gprt0; + unsigned char res2[2]; + unsigned char prst; + unsigned char res3[0xfff0]; + unsigned char pgy_id; + unsigned char pgy_rev; + unsigned char pgy_outputs; + unsigned char pgy_eth; +}; + +#define BFTICU_DIPSWITCH_MASK 0x0f + +/* + * BFTICU FPGA iomap + * BFTICU is used on mgcoge and mgocge3ne + */ +struct bfticu_iomap { + u8 xi_ena; /* General defect enable */ + u8 pack1[3]; + u8 en_csn; + u8 pack2; + u8 safe_mem; + u8 pack3; + u8 id; + u8 pack4; + u8 rev; + u8 build; + u8 p_frc; + u8 p_msk; + u8 pack5[2]; + u8 xg_int; + u8 pack6[15]; + u8 s_conf; + u8 pack7; + u8 dmx_conf12; + u8 pack8; + u8 s_clkslv; + u8 pack9[11]; + u8 d_conf; + u8 d_mask_ca; + u8 d_pll_del; + u8 pack10[16]; + u8 t_conf_ca; + u8 t_mask_ca; + u8 pack11[13]; + u8 m_def0; + u8 m_def1; + u8 m_def2; + u8 m_def3; + u8 m_def4; + u8 m_def5; + u8 m_def_trap0; + u8 m_def_trap1; + u8 m_def_trap2; + u8 m_def_trap3; + u8 m_def_trap4; + u8 m_def_trap5; + u8 m_mask_def0; + u8 m_mask_def1; + u8 m_mask_def2; + u8 m_mask_def3; + u8 m_mask_def4; + u8 m_mask_def5; + u8 m_def_mask0; + u8 m_def_mask1; + u8 m_def_mask2; + u8 m_def_mask3; + u8 m_def_mask4; + u8 m_def_mask5; + u8 m_def_pri; + u8 pack12[11]; + u8 hw_status; + u8 pack13; + u8 hw_control1; + u8 hw_control2; + u8 hw_control3; + u8 pack14[7]; + u8 led_on; /* Leds */ + u8 pack15; + u8 sfp_control; /* SFP modules */ + u8 pack16; + u8 alarm_control; /* Alarm output */ + u8 pack17; + u8 icps; /* ICN clock pulse shaping */ + u8 mswitch; /* Read mode switch */ + u8 pack18[6]; + u8 pb_dbug; +}; + +#if !defined(CONFIG_PIGGY_MAC_ADRESS_OFFSET) +#define CONFIG_PIGGY_MAC_ADRESS_OFFSET 0 +#endif + +int ethernet_present(void); +int ivm_read_eeprom(void); + +int trigger_fpga_config(void); +int wait_for_fpga_config(void); +int fpga_reset(void); +int toggle_eeprom_spi_bus(void); + +int set_km_env(void); +int fdt_set_node_and_value(void *blob, + char *nodename, + char *regname, + void *var, + int size); +int fdt_get_node_and_value(void *blob, + char *nodename, + char *propname, + void **var); + +#define DELAY_ABORT_SEQ 62 /* @200kHz 9 clocks = 44us, 62us is ok */ +#define DELAY_HALF_PERIOD (500 / (CONFIG_SYS_I2C_SPEED / 1000)) + +int i2c_soft_read_pin(void); +int i2c_make_abort(void); +#endif /* __KEYMILE_COMMON_H */ diff --git a/qemu/roms/u-boot/board/keymile/common/ivm.c b/qemu/roms/u-boot/board/keymile/common/ivm.c new file mode 100644 index 000000000..f0e91bbdf --- /dev/null +++ b/qemu/roms/u-boot/board/keymile/common/ivm.c @@ -0,0 +1,316 @@ +/* + * (C) Copyright 2011 + * Holger Brunck, Keymile GmbH Hannover, holger.brunck@keymile.com + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <hush.h> +#include <i2c.h> +#include "common.h" + +static 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; +} + +static int ivm_set_value(char *name, char *value) +{ + char tempbuf[256]; + + 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 calculate_mac_offset(unsigned char *valbuf, unsigned char *buf, + int offset) +{ + unsigned long val = (buf[4] << 16) + (buf[5] << 8) + buf[6]; + + if (offset == 0) + return 0; + + val += offset; + buf[4] = (val >> 16) & 0xff; + buf[5] = (val >> 8) & 0xff; + buf[6] = val & 0xff; + sprintf((char *)valbuf, "%pM", buf + 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_MAC Adress begins at offset 1 */ + sprintf((char *)valbuf, "%pM", buf + 1); + ivm_set_value("IVM_MacAddress", (char *)valbuf); + /* if an offset is defined, add it */ + calculate_mac_offset(buf, valbuf, CONFIG_PIGGY_MAC_ADRESS_OFFSET); +#ifdef MACH_TYPE_KM_KIRKWOOD + setenv((char *)"ethaddr", (char *)valbuf); +#else + if (getenv("ethaddr") == NULL) + setenv((char *)"ethaddr", (char *)valbuf); +#endif +#ifdef CONFIG_KMVECT1 +/* KMVECT1 has two ethernet interfaces */ + if (getenv("eth1addr") == NULL) { + calculate_mac_offset(buf, valbuf, 1); + setenv((char *)"eth1addr", (char *)valbuf); + } +#endif + /* 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; +} + +static 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) +{ + uchar i2c_buffer[CONFIG_SYS_IVM_EEPROM_MAX_LEN]; + int ret; + + i2c_set_bus_num(CONFIG_KM_IVM_BUS); + /* add deblocking here */ + i2c_make_abort(); + + ret = i2c_read(CONFIG_SYS_IVM_EEPROM_ADR, 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); +} |