From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 11/13] omap: Add new interface omap_get_die_id
Date: Thu, 08 Jul 2010 16:55:06 +0300 [thread overview]
Message-ID: <20100708135506.26276.73243.stgit@baageli.muru.com> (raw)
In-Reply-To: <20100708135342.26276.80936.stgit@baageli.muru.com>
From: Kan-Ru Chen <kanru@0xlab.org>
Allow DIE id to be get and used by others.
Signed-off-by: Kan-Ru Chen <kanru@0xlab.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/mach-omap2/id.c | 10 ++++++++++
arch/arm/mach-omap2/include/mach/id.h | 22 ++++++++++++++++++++++
2 files changed, 32 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-omap2/include/mach/id.h
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index ccaa1ed..d079ccf 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -25,6 +25,8 @@
#include <plat/control.h>
#include <plat/cpu.h>
+#include <mach/id.h>
+
static struct omap_chip_id omap_chip;
static unsigned int omap_revision;
@@ -102,6 +104,14 @@ static struct omap_id omap_ids[] __initdata = {
static void __iomem *tap_base;
static u16 tap_prod_id;
+void omap_get_die_id(struct omap_die_id *odi)
+{
+ odi->id_0 = read_tap_reg(OMAP_TAP_DIE_ID_0);
+ odi->id_1 = read_tap_reg(OMAP_TAP_DIE_ID_1);
+ odi->id_2 = read_tap_reg(OMAP_TAP_DIE_ID_2);
+ odi->id_3 = read_tap_reg(OMAP_TAP_DIE_ID_3);
+}
+
static void __init omap24xx_check_revision(void)
{
int i, j;
diff --git a/arch/arm/mach-omap2/include/mach/id.h b/arch/arm/mach-omap2/include/mach/id.h
new file mode 100644
index 0000000..02ed3aa
--- /dev/null
+++ b/arch/arm/mach-omap2/include/mach/id.h
@@ -0,0 +1,22 @@
+/*
+ * OMAP2 CPU identification code
+ *
+ * Copyright (C) 2010 Kan-Ru Chen <kanru@0xlab.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef OMAP2_ARCH_ID_H
+#define OMAP2_ARCH_ID_H
+
+struct omap_die_id {
+ u32 id_0;
+ u32 id_1;
+ u32 id_2;
+ u32 id_3;
+};
+
+void omap_get_die_id(struct omap_die_id *odi);
+
+#endif
next prev parent reply other threads:[~2010-07-08 13:55 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-08 13:54 [PATCH 00/13] omap updates for 2.6.36 merge window Tony Lindgren
2010-07-08 13:54 ` [PATCH 01/13] omap: Add back UART MDR1 check into uncompress.h Tony Lindgren
2010-07-08 13:54 ` [PATCH 02/13] omap1: omap7xx clocks, mux, serial fixes Tony Lindgren
2010-07-08 13:54 ` [PATCH 03/13] omap2: Fix GPIO numbers and smc91x for 2430sdp Tony Lindgren
2010-07-08 13:54 ` [PATCH 04/13] omap: Overo: Fix support for second ethernet port Tony Lindgren
2010-07-08 13:54 ` [PATCH 05/13] omap2/3: id: fix sparse warning Tony Lindgren
2010-07-08 13:54 ` [PATCH 06/13] omap3: Unify omap2_set_globals_3[43,6x]x functions Tony Lindgren
2010-07-08 13:54 ` [PATCH 07/13] omap3: introduce omap3_map_io Tony Lindgren
2010-07-08 13:54 ` [PATCH 08/13] omap: mux: fix multipath gpio handling Tony Lindgren
2010-07-08 13:54 ` [PATCH 09/13] omap: dma: Support for prefetch in destination synchronizedtransfer Tony Lindgren
2010-07-08 13:55 ` [PATCH 10/13] OMAP3: AM3505/3517 do not have IO wakeup capability Tony Lindgren
2010-07-08 13:55 ` Tony Lindgren [this message]
2010-07-08 13:55 ` [PATCH 12/13] omap: Use omap_get_die_id() to get the DIE ids Tony Lindgren
2010-07-08 13:55 ` [PATCH 13/13] omap: Devkit8000: Use DIE id to initialize dm9000 MAC address Tony Lindgren
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