From df68c1901168e82d056f36b66ddd9bdc92630094 Mon Sep 17 00:00:00 2001
From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Mon, 28 Mar 2022 15:16:45 +0100
Subject: [PATCH] quick memory test increasing by power-2 each time shows all
 32 mbytes of hyperram ICs are accessible

---
 coldboot/coldboot.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/coldboot/coldboot.c b/coldboot/coldboot.c
index 8000d05..16b7780 100644
--- a/coldboot/coldboot.c
+++ b/coldboot/coldboot.c
@@ -77,9 +77,11 @@ int main(void) {
         if (c == 13) { // if CR send LF
 
             // quick write/read
-            writel(0xDEAF0123+i, (unsigned long)&(hyperram[0]));
-            tmp = readl((unsigned long)&(hyperram[0]));
+            writel(0xDEAF0123+i, (unsigned long)&(hyperram[1<<i]));
+            tmp = readl((unsigned long)&(hyperram[1<<i]));
             puts("read ");
+            uart_writeuint32(1<<i);
+            puts(" ");
             uart_writeuint32(tmp);
             putchar(10);
             i++;
-- 
2.30.2