From 61598093bbdd283a7edc367d900f223070ead8d2 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:43:03 +0000
Subject: [PATCH] add ax88772C AX88772C_eeprom_tools
---
kernel/arch/mips/txx9/rbtx4939/prom.c | 14 +++++++++++++-
1 files changed, 13 insertions(+), 1 deletions(-)
diff --git a/kernel/arch/mips/txx9/rbtx4939/prom.c b/kernel/arch/mips/txx9/rbtx4939/prom.c
index bd277ec..ba25ba1 100644
--- a/kernel/arch/mips/txx9/rbtx4939/prom.c
+++ b/kernel/arch/mips/txx9/rbtx4939/prom.c
@@ -7,11 +7,23 @@
*/
#include <linux/init.h>
+#include <linux/memblock.h>
#include <asm/txx9/generic.h>
#include <asm/txx9/rbtx4939.h>
void __init rbtx4939_prom_init(void)
{
- tx4939_add_memory_regions();
+ unsigned long start, size;
+ u64 win;
+ int i;
+
+ for (i = 0; i < 4; i++) {
+ if (!((__u32)____raw_readq(&tx4939_ddrcptr->winen) & (1 << i)))
+ continue;
+ win = ____raw_readq(&tx4939_ddrcptr->win[i]);
+ start = (unsigned long)(win >> 48);
+ size = (((unsigned long)(win >> 32) & 0xffff) + 1) - start;
+ memblock_add(start << 20, size << 20);
+ }
txx9_sio_putchar_init(TX4939_SIO_REG(0) & 0xfffffffffULL);
}
--
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