[U-Boot] [PATCH] [Not for inclusion] Add support to verify UPM array

[Selvamuthukumar]

---

This function is not called anywhere within main tree.
This is just for reference. Not to be included in main tree.

 cpu/mpc83xx/cpu.c |   38 ++++++++++++++++++++++++++++++++++++++
 1 files changed, 38 insertions(+), 0 deletions(-)

diff --git a/cpu/mpc83xx/cpu.c b/cpu/mpc83xx/cpu.c
index 5862acd..be47a20 100644
--- a/cpu/mpc83xx/cpu.c
+++ b/cpu/mpc83xx/cpu.c
@@ -186,6 +186,44 @@ void upmconfig (uint upm, uint *table, uint size)
 #endif
 }
 
+void upmverify(int upm, uint *table, uint size)
+{
+	volatile immap_t *immap = (immap_t *) CFG_IMMR;
+	volatile lbus83xx_t *lbus = &immap->lbus;
+	volatile uchar *dummy = NULL;
+	const u32 msel = (upm + 4) << BR_MSEL_SHIFT;	/* What the MSEL field in BRn should be */
+	volatile u32 *mxmr = &lbus->mamr + upm;	/* Pointer to mamr, mbmr, or mcmr */
+	uint i, tout; 
+
+	/* Scan all the banks to determine the base address of the device */
+	for (i = 0; i < 8; i++) {
+		if ((lbus->bank[i].br & BR_MSEL) == msel) {
+			dummy = (uchar *) (lbus->bank[i].br & BR_BA);
+			break;
+		}
+	}
+
+	if (!dummy) {
+		printf("Error: %s() could not find matching BR\n", __FUNCTION__);
+		hang();
+	}
+
+	/* Set the OP field in the MxMR to "write" and the MAD field to 000000 */
+	*mxmr = (*mxmr & 0xCFFFFFC0) | 0x10000000;
+
+	for (i = 0; i < size; i++) {
+		*mxmr = (*mxmr & 0xCFFFFFC0) | 0x20000000 | i;
+		tout = *dummy;	/* Read the value to MDR */
+		__asm__ __volatile__ ("sync");
+		tout = 0x100000;
+		while(((*mxmr & 0x3f) != ((i + 1) & 0x3f)) && tout--);
+		if(lbus->mdr != table[i])
+			printf("%d: expected %08x, read %08x\n", i, table[i], lbus->mdr);
+	}
+
+	/* Set the OP field in the MxMR to "normal" and the MAD field to 000000 */
+	*mxmr &= 0xCFFFFFC0;
+}
 
 int
 do_reset (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
-- 
1.5.5