*/
#include <common.h>
#include <dm.h>
+#include <misc.h>
+#include <ram.h>
#include <dm/pinctrl.h>
#include <dm/uclass-internal.h>
+#include <asm/setup.h>
#include <asm/arch/periph.h>
#include <power/regulator.h>
+#include <u-boot/sha256.h>
DECLARE_GLOBAL_DATA_PTR;
return 0;
}
-int dram_init(void)
+static void setup_macaddr(void)
{
- gd->ram_size = 0x80000000;
- return 0;
+#if CONFIG_IS_ENABLED(CMD_NET)
+ int ret;
+ const char *cpuid = getenv("cpuid#");
+ u8 hash[SHA256_SUM_LEN];
+ int size = sizeof(hash);
+ u8 mac_addr[6];
+
+ /* Only generate a MAC address, if none is set in the environment */
+ if (getenv("ethaddr"))
+ return;
+
+ if (!cpuid) {
+ debug("%s: could not retrieve 'cpuid#'\n", __func__);
+ return;
+ }
+
+ ret = hash_block("sha256", (void *)cpuid, strlen(cpuid), hash, &size);
+ if (ret) {
+ debug("%s: failed to calculate SHA256\n", __func__);
+ return;
+ }
+
+ /* Copy 6 bytes of the hash to base the MAC address on */
+ memcpy(mac_addr, hash, 6);
+
+ /* Make this a valid MAC address and set it */
+ mac_addr[0] &= 0xfe; /* clear multicast bit */
+ mac_addr[0] |= 0x02; /* set local assignment bit (IEEE802) */
+ eth_setenv_enetaddr("ethaddr", mac_addr);
+#endif
+
+ return;
+}
+
+static void setup_serial(void)
+{
+#if CONFIG_IS_ENABLED(ROCKCHIP_EFUSE)
+ const u32 cpuid_offset = 0x7;
+ const u32 cpuid_length = 0x10;
+
+ struct udevice *dev;
+ int ret, i;
+ u8 cpuid[cpuid_length];
+ u8 low[cpuid_length/2], high[cpuid_length/2];
+ char cpuid_str[cpuid_length * 2 + 1];
+ u64 serialno;
+ char serialno_str[16];
+
+ /* retrieve the device */
+ ret = uclass_get_device_by_driver(UCLASS_MISC,
+ DM_GET_DRIVER(rockchip_efuse), &dev);
+ if (ret) {
+ debug("%s: could not find efuse device\n", __func__);
+ return;
+ }
+
+ /* read the cpu_id range from the efuses */
+ ret = misc_read(dev, cpuid_offset, &cpuid, sizeof(cpuid));
+ if (ret) {
+ debug("%s: reading cpuid from the efuses failed\n",
+ __func__);
+ return;
+ }
+
+ memset(cpuid_str, 0, sizeof(cpuid_str));
+ for (i = 0; i < 16; i++)
+ sprintf(&cpuid_str[i * 2], "%02x", cpuid[i]);
+
+ debug("cpuid: %s\n", cpuid_str);
+
+ /*
+ * Mix the cpuid bytes using the same rules as in
+ * ${linux}/drivers/soc/rockchip/rockchip-cpuinfo.c
+ */
+ for (i = 0; i < 8; i++) {
+ low[i] = cpuid[1 + (i << 1)];
+ high[i] = cpuid[i << 1];
+ }
+
+ serialno = crc32_no_comp(0, low, 8);
+ serialno |= (u64)crc32_no_comp(serialno, high, 8) << 32;
+ snprintf(serialno_str, sizeof(serialno_str), "%llx", serialno);
+
+ setenv("cpuid#", cpuid_str);
+ setenv("serial#", serialno_str);
+#endif
+
+ return;
}
-int dram_init_banksize(void)
+int misc_init_r(void)
{
- /* Reserve 0x200000 for ATF bl31 */
- gd->bd->bi_dram[0].start = 0x200000;
- gd->bd->bi_dram[0].size = 0x7e000000;
+ setup_serial();
+ setup_macaddr();
return 0;
}
+
+#ifdef CONFIG_SERIAL_TAG
+void get_board_serial(struct tag_serialnr *serialnr)
+{
+ char *serial_string;
+ u64 serial = 0;
+
+ serial_string = getenv("serial#");
+
+ if (serial_string)
+ serial = simple_strtoull(serial_string, NULL, 16);
+
+ serialnr->high = (u32)(serial >> 32);
+ serialnr->low = (u32)(serial & 0xffffffff);
+}
+#endif