add ax88772C AX88772C_eeprom_tools

hc

2024-05-10 61598093bbdd283a7edc367d900f223070ead8d2

 kernel/arch/mips/txx9/rbtx4939/prom.c
..
..
@@ -7,11 +7,23 @@
7
7
  */
8
8
 
9
9
 #include <linux/init.h>
10
+#include <linux/memblock.h>
10
11
 #include <asm/txx9/generic.h>
11
12
 #include <asm/txx9/rbtx4939.h>
12
13
 
13
14
 void __init rbtx4939_prom_init(void)
14
15
 {
15
-	tx4939_add_memory_regions();
16
+	unsigned long start, size;
17
+	u64 win;
18
+	int i;
19
+
20
+	for (i = 0; i < 4; i++) {
21
+		if (!((__u32)____raw_readq(&tx4939_ddrcptr->winen) & (1 << i)))
22
+			continue;
23
+		win = ____raw_readq(&tx4939_ddrcptr->win[i]);
24
+		start = (unsigned long)(win >> 48);
25
+		size = (((unsigned long)(win >> 32) & 0xffff) + 1) - start;
26
+		memblock_add(start << 20, size << 20);
27
+	}
16
28
 	txx9_sio_putchar_init(TX4939_SIO_REG(0) & 0xfffffffffULL);
17
29
 }