This is not needed with driver mode. Remove it.
Signed-off-by: Simon Glass sjg@chromium.org ---
drivers/misc/cros_ec.c | 268 +------------------------------------------------ include/cros_ec.h | 14 --- 2 files changed, 1 insertion(+), 281 deletions(-)
diff --git a/drivers/misc/cros_ec.c b/drivers/misc/cros_ec.c index 6027177..ba36795 100644 --- a/drivers/misc/cros_ec.c +++ b/drivers/misc/cros_ec.c @@ -1055,87 +1055,6 @@ int cros_ec_decode_ec_flash(const void *blob, int node, return 0; }
-int cros_ec_i2c_xfer_old(struct cros_ec_dev *dev, uchar chip, uint addr, - int alen, uchar *buffer, int len, int is_read) -{ - union { - struct ec_params_i2c_passthru p; - uint8_t outbuf[EC_PROTO2_MAX_PARAM_SIZE]; - } params; - union { - struct ec_response_i2c_passthru r; - uint8_t inbuf[EC_PROTO2_MAX_PARAM_SIZE]; - } response; - struct ec_params_i2c_passthru *p = ¶ms.p; - struct ec_response_i2c_passthru *r = &response.r; - struct ec_params_i2c_passthru_msg *msg = p->msg; - uint8_t *pdata; - int read_len, write_len; - int size; - int rv; - - p->port = 0; - - if (alen != 1) { - printf("Unsupported address length %d\n", alen); - return -1; - } - if (is_read) { - read_len = len; - write_len = alen; - p->num_msgs = 2; - } else { - read_len = 0; - write_len = alen + len; - p->num_msgs = 1; - } - - size = sizeof(*p) + p->num_msgs * sizeof(*msg); - if (size + write_len > sizeof(params)) { - puts("Params too large for buffer\n"); - return -1; - } - if (sizeof(*r) + read_len > sizeof(response)) { - puts("Read length too big for buffer\n"); - return -1; - } - - /* Create a message to write the register address and optional data */ - pdata = (uint8_t *)p + size; - msg->addr_flags = chip; - msg->len = write_len; - pdata[0] = addr; - if (!is_read) - memcpy(pdata + 1, buffer, len); - msg++; - - if (read_len) { - msg->addr_flags = chip | EC_I2C_FLAG_READ; - msg->len = read_len; - } - - rv = ec_command(dev, EC_CMD_I2C_PASSTHRU, 0, p, size + write_len, - r, sizeof(*r) + read_len); - if (rv < 0) - return rv; - - /* Parse response */ - if (r->i2c_status & EC_I2C_STATUS_ERROR) { - printf("Transfer failed with status=0x%x\n", r->i2c_status); - return -1; - } - - if (rv < sizeof(*r) + read_len) { - puts("Truncated read response\n"); - return -1; - } - - if (read_len) - memcpy(buffer, r->data, read_len); - - return 0; -} - int cros_ec_i2c_tunnel(struct udevice *dev, struct i2c_msg *in, int nmsgs) { struct cros_ec_dev *cdev = dev_get_uclass_priv(dev); @@ -1266,187 +1185,6 @@ static int do_read_write(struct cros_ec_dev *dev, int is_write, int argc, return 0; }
-/** - * get_alen() - Small parser helper function to get address length - * - * Returns the address length. - */ -static uint get_alen(char *arg) -{ - int j; - int alen; - - alen = 1; - for (j = 0; j < 8; j++) { - if (arg[j] == '.') { - alen = arg[j+1] - '0'; - break; - } else if (arg[j] == '\0') { - break; - } - } - return alen; -} - -#define DISP_LINE_LEN 16 - -/* - * TODO(sjg@chromium.org): This code copied almost verbatim from cmd_i2c.c - * so we can remove it later. - */ -static int cros_ec_i2c_md(struct cros_ec_dev *dev, int flag, int argc, - char * const argv[]) -{ - u_char chip; - uint addr, alen, length = 0x10; - int j, nbytes, linebytes; - - if (argc < 2) - return CMD_RET_USAGE; - - if (1 || (flag & CMD_FLAG_REPEAT) == 0) { - /* - * New command specified. - */ - - /* - * I2C chip address - */ - chip = simple_strtoul(argv[0], NULL, 16); - - /* - * I2C data address within the chip. This can be 1 or - * 2 bytes long. Some day it might be 3 bytes long :-). - */ - addr = simple_strtoul(argv[1], NULL, 16); - alen = get_alen(argv[1]); - if (alen > 3) - return CMD_RET_USAGE; - - /* - * If another parameter, it is the length to display. - * Length is the number of objects, not number of bytes. - */ - if (argc > 2) - length = simple_strtoul(argv[2], NULL, 16); - } - - /* - * Print the lines. - * - * We buffer all read data, so we can make sure data is read only - * once. - */ - nbytes = length; - do { - unsigned char linebuf[DISP_LINE_LEN]; - unsigned char *cp; - - linebytes = (nbytes > DISP_LINE_LEN) ? DISP_LINE_LEN : nbytes; - - if (cros_ec_i2c_xfer_old(dev, chip, addr, alen, linebuf, - linebytes, 1)) - puts("Error reading the chip.\n"); - else { - printf("%04x:", addr); - cp = linebuf; - for (j = 0; j < linebytes; j++) { - printf(" %02x", *cp++); - addr++; - } - puts(" "); - cp = linebuf; - for (j = 0; j < linebytes; j++) { - if ((*cp < 0x20) || (*cp > 0x7e)) - puts("."); - else - printf("%c", *cp); - cp++; - } - putc('\n'); - } - nbytes -= linebytes; - } while (nbytes > 0); - - return 0; -} - -static int cros_ec_i2c_mw(struct cros_ec_dev *dev, int flag, int argc, - char * const argv[]) -{ - uchar chip; - ulong addr; - uint alen; - uchar byte; - int count; - - if ((argc < 3) || (argc > 4)) - return CMD_RET_USAGE; - - /* - * Chip is always specified. - */ - chip = simple_strtoul(argv[0], NULL, 16); - - /* - * Address is always specified. - */ - addr = simple_strtoul(argv[1], NULL, 16); - alen = get_alen(argv[1]); - if (alen > 3) - return CMD_RET_USAGE; - - /* - * Value to write is always specified. - */ - byte = simple_strtoul(argv[2], NULL, 16); - - /* - * Optional count - */ - if (argc == 4) - count = simple_strtoul(argv[3], NULL, 16); - else - count = 1; - - while (count-- > 0) { - if (cros_ec_i2c_xfer_old(dev, chip, addr++, alen, &byte, 1, 0)) - puts("Error writing the chip.\n"); - /* - * Wait for the write to complete. The write can take - * up to 10mSec (we allow a little more time). - */ -/* - * No write delay with FRAM devices. - */ -#if !defined(CONFIG_SYS_I2C_FRAM) - udelay(11000); -#endif - } - - return 0; -} - -/* Temporary code until we have driver model and can use the i2c command */ -static int cros_ec_i2c_passthrough(struct cros_ec_dev *dev, int flag, - int argc, char * const argv[]) -{ - const char *cmd; - - if (argc < 1) - return CMD_RET_USAGE; - cmd = *argv++; - argc--; - if (0 == strcmp("md", cmd)) - cros_ec_i2c_md(dev, flag, argc, argv); - else if (0 == strcmp("mw", cmd)) - cros_ec_i2c_mw(dev, flag, argc, argv); - else - return CMD_RET_USAGE; - - return 0; -} - static int do_cros_ec(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { struct cros_ec_dev *dev; @@ -1696,8 +1434,6 @@ static int do_cros_ec(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) debug("%s: Could not access LDO%d\n", __func__, index); return ret; } - } else if (0 == strcmp("i2c", cmd)) { - ret = cros_ec_i2c_passthrough(dev, flag, argc - 2, argv + 2); } else { return CMD_RET_USAGE; } @@ -1734,9 +1470,7 @@ U_BOOT_CMD( "crosec vbnvcontext [hexstring] Read [write] VbNvContext from EC\n" "crosec ldo <idx> [<state>] Switch/Read LDO state\n" "crosec test run tests on cros_ec\n" - "crosec version Read CROS-EC version\n" - "crosec i2c md chip address[.0, .1, .2] [# of objects] - read from I2C passthru\n" - "crosec i2c mw chip address[.0, .1, .2] value [count] - write to I2C passthru (fill)" + "crosec version Read CROS-EC version" ); #endif
diff --git a/include/cros_ec.h b/include/cros_ec.h index 0ad9d81..b926934 100644 --- a/include/cros_ec.h +++ b/include/cros_ec.h @@ -400,18 +400,4 @@ struct i2c_msg; */ int cros_ec_i2c_tunnel(struct udevice *dev, struct i2c_msg *msg, int nmsgs);
-/* - * Tunnel an I2C transfer to the EC - * - * @param dev CROS-EC device - * @param chip Chip address (7-bit I2C address) - * @param addr Register address to read/write - * @param alen Length of register address in bytes - * @param buffer Buffer containing data to read/write - * @param len Length of buffer - * @param is_read 1 if this is a read, 0 if this is a write - */ -int cros_ec_i2c_xfer_old(struct cros_ec_dev *dev, uchar chip, uint addr, - int alen, uchar *buffer, int len, int is_read); - #endif