printf("CPU: Allwinner H3 (SUN8I %04x)\n", sunxi_get_sram_id());
#elif defined CONFIG_MACH_SUN9I
puts("CPU: Allwinner A80 (SUN9I)\n");
+#elif defined CONFIG_MACH_SUN50I
+ puts("CPU: Allwinner A64 (SUN50I)\n");
#else
#warning Please update cpu_info.c with correct CPU information
puts("CPU: SUNXI Family\n");
}
#endif
+#ifdef CONFIG_MACH_SUN8I_H3
+
+#define SIDC_PRCTL 0x40
+#define SIDC_RDKEY 0x60
+
+#define SIDC_OP_LOCK 0xAC
+
+uint32_t sun8i_efuse_read(uint32_t offset)
+{
+ uint32_t reg_val;
+
+ reg_val = readl(SUNXI_SIDC_BASE + SIDC_PRCTL);
+ reg_val &= ~(((0x1ff) << 16) | 0x3);
+ reg_val |= (offset << 16);
+ writel(reg_val, SUNXI_SIDC_BASE + SIDC_PRCTL);
+
+ reg_val &= ~(((0xff) << 8) | 0x3);
+ reg_val |= (SIDC_OP_LOCK << 8) | 0x2;
+ writel(reg_val, SUNXI_SIDC_BASE + SIDC_PRCTL);
+
+ while (readl(SUNXI_SIDC_BASE + SIDC_PRCTL) & 0x2);
+
+ reg_val &= ~(((0x1ff) << 16) | ((0xff) << 8) | 0x3);
+ writel(reg_val, SUNXI_SIDC_BASE + SIDC_PRCTL);
+
+ reg_val = readl(SUNXI_SIDC_BASE + SIDC_RDKEY);
+ return reg_val;
+}
+#endif
+
int sunxi_get_sid(unsigned int *sid)
{
#ifdef CONFIG_AXP221_POWER
return axp_get_sid(sid);
+#elif defined CONFIG_MACH_SUN8I_H3
+ /*
+ * H3 SID controller has a bug, which makes the initial value of
+ * SUNXI_SID_BASE at boot wrong.
+ * Read the value directly from SID controller, in order to get
+ * the correct value, and also refresh the wrong value at
+ * SUNXI_SID_BASE.
+ */
+ int i;
+
+ for (i = 0; i< 4; i++)
+ sid[i] = sun8i_efuse_read(i * 4);
+
+ return 0;
#elif defined SUNXI_SID_BASE
int i;
for (i = 0; i< 4; i++)
- sid[i] = readl(SUNXI_SID_BASE + 4 * i);
+ sid[i] = readl((ulong)SUNXI_SID_BASE + 4 * i);
return 0;
#else