mirror of
https://github.com/AsahiLinux/u-boot
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dda5251037
There are plenty of existing drivers that have macros like ETH_ALEN defined in their own source files. Now that we imported the kernel's if_ether.h to U-Boot we can reduce some duplication. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
225 lines
5 KiB
C
225 lines
5 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Commands to deal with Synology specifics.
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*
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* Copyright (C) 2015 Phil Sutter <phil@nwl.cc>
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*/
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#include <common.h>
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#include <div64.h>
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#include <spi.h>
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#include <spi_flash.h>
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#include <linux/mtd/mtd.h>
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#include <asm/io.h>
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#include "../drivers/ddr/marvell/axp/ddr3_init.h"
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#define ETHADDR_MAX 4
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#define SYNO_SN_TAG "SN="
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#define SYNO_CHKSUM_TAG "CHK="
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static int do_syno_populate(int argc, char * const argv[])
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{
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unsigned int bus = CONFIG_SF_DEFAULT_BUS;
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unsigned int cs = CONFIG_SF_DEFAULT_CS;
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unsigned int speed = CONFIG_SF_DEFAULT_SPEED;
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unsigned int mode = CONFIG_SF_DEFAULT_MODE;
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struct spi_flash *flash;
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unsigned long addr = 0x80000; /* XXX: parameterize this? */
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loff_t offset = 0x007d0000;
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loff_t len = 0x00010000;
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char *buf, *bufp;
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char var[128];
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char val[128];
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int ret, n;
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/* XXX: arg parsing to select flash here? */
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flash = spi_flash_probe(bus, cs, speed, mode);
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if (!flash) {
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printf("Failed to initialize SPI flash at %u:%u\n", bus, cs);
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return 1;
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}
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buf = map_physmem(addr, len, MAP_WRBACK);
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if (!buf) {
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puts("Failed to map physical memory\n");
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return 1;
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}
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ret = spi_flash_read(flash, offset, len, buf);
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if (ret) {
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puts("Failed to read from SPI flash\n");
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goto out_unmap;
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}
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for (n = 0; n < ETHADDR_MAX; n++) {
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char ethaddr[ETH_ALEN];
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int i, sum = 0;
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unsigned char csum = 0;
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for (i = 0, bufp = buf + n * 7; i < ETH_ALEN; i++) {
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sum += bufp[i];
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csum += bufp[i];
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ethaddr[i] = bufp[i];
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}
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if (!sum) /* MAC address empty */
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continue;
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if (csum != bufp[i]) { /* seventh byte is checksum value */
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printf("Invalid MAC address for interface %d!\n", n);
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continue;
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}
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if (n == 0)
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sprintf(var, "ethaddr");
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else
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sprintf(var, "eth%daddr", n);
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snprintf(val, sizeof(val) - 1,
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"%02x:%02x:%02x:%02x:%02x:%02x",
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ethaddr[0], ethaddr[1], ethaddr[2],
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ethaddr[3], ethaddr[4], ethaddr[5]);
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printf("parsed %s = %s\n", var, val);
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env_set(var, val);
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}
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if (!strncmp(buf + 32, SYNO_SN_TAG, strlen(SYNO_SN_TAG))) {
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char *snp, *csump;
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int csum = 0;
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unsigned long c;
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snp = bufp = buf + 32 + strlen(SYNO_SN_TAG);
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for (n = 0; bufp[n] && bufp[n] != ','; n++)
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csum += bufp[n];
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bufp[n] = '\0';
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/* should come right after, but you never know */
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bufp = strstr(bufp + n + 1, SYNO_CHKSUM_TAG);
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if (!bufp) {
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printf("Serial number checksum tag missing!\n");
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goto out_unmap;
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}
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csump = bufp += strlen(SYNO_CHKSUM_TAG);
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for (n = 0; bufp[n] && bufp[n] != ','; n++)
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;
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bufp[n] = '\0';
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if (strict_strtoul(csump, 10, &c) || c != csum) {
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puts("Invalid serial number found!\n");
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ret = 1;
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goto out_unmap;
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}
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printf("parsed SN = %s\n", snp);
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env_set("SN", snp);
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} else { /* old style format */
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unsigned char csum = 0;
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for (n = 0, bufp = buf + 32; n < 10; n++)
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csum += bufp[n];
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if (csum != bufp[n]) {
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puts("Invalid serial number found!\n");
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ret = 1;
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goto out_unmap;
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}
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bufp[n] = '\0';
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printf("parsed SN = %s\n", buf + 32);
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env_set("SN", buf + 32);
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}
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out_unmap:
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unmap_physmem(buf, len);
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return ret;
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}
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/* map bit position to function in POWER_MNG_CTRL_REG */
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static const char * const pwr_mng_bit_func[] = {
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"audio",
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"ge3", "ge2", "ge1", "ge0",
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"pcie00", "pcie01", "pcie02", "pcie03",
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"pcie10", "pcie11", "pcie12", "pcie13",
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"bp",
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"sata0_link", "sata0_core",
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"lcd",
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"sdio",
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"usb0", "usb1", "usb2",
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"idma", "xor0", "crypto",
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NULL,
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"tdm",
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"pcie20", "pcie30",
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"xor1",
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"sata1_link", "sata1_core",
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NULL,
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};
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static int do_syno_clk_gate(int argc, char * const argv[])
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{
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u32 pwr_mng_ctrl_reg = reg_read(POWER_MNG_CTRL_REG);
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const char *func, *state;
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int i, val;
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if (argc < 2)
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return -1;
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if (!strcmp(argv[1], "get")) {
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puts("Clock Gating:\n");
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for (i = 0; i < 32; i++) {
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func = pwr_mng_bit_func[i];
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if (!func)
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continue;
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state = pwr_mng_ctrl_reg & (1 << i) ? "ON" : "OFF";
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printf("%s:\t\t%s\n", func, state);
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}
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return 0;
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}
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if (argc < 4)
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return -1;
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if (!strcmp(argv[1], "set")) {
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func = argv[2];
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state = argv[3];
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for (i = 0; i < 32; i++) {
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if (!pwr_mng_bit_func[i])
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continue;
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if (!strcmp(func, pwr_mng_bit_func[i]))
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break;
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}
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if (i == 32) {
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printf("Error: name '%s' not known\n", func);
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return -1;
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}
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val = state[0] != '0';
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pwr_mng_ctrl_reg |= (val << i);
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pwr_mng_ctrl_reg &= ~(!val << i);
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reg_write(POWER_MNG_CTRL_REG, pwr_mng_ctrl_reg);
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}
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return 0;
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}
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static int do_syno(cmd_tbl_t *cmdtp, int flag,
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int argc, char * const argv[])
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{
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const char *cmd;
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int ret = 0;
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if (argc < 2)
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goto usage;
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cmd = argv[1];
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--argc;
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++argv;
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if (!strcmp(cmd, "populate_env"))
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ret = do_syno_populate(argc, argv);
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else if (!strcmp(cmd, "clk_gate"))
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ret = do_syno_clk_gate(argc, argv);
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if (ret != -1)
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return ret;
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usage:
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return CMD_RET_USAGE;
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}
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U_BOOT_CMD(
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syno, 5, 1, do_syno,
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"Synology specific commands",
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"populate_env - Read vendor data from SPI flash into environment\n"
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"clk_gate (get|set name 1|0) - Manage clock gating\n"
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);
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