mail archive of the barebox mailing list
 help / color / mirror / Atom feed
From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org
Subject: [PATCH 13/14] ARM i.MX35: Add function to setup chipselect
Date: Mon, 24 Sep 2012 12:46:22 +0200	[thread overview]
Message-ID: <1348483583-12586-14-git-send-email-s.hauer@pengutronix.de> (raw)
In-Reply-To: <1348483583-12586-1-git-send-email-s.hauer@pengutronix.de>

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/boards/freescale-mx35-3-stack/3stack.c |   10 ++++------
 arch/arm/boards/guf-cupid/board.c               |    6 +++---
 arch/arm/boards/pcm043/pcm043.c                 |    5 ++---
 arch/arm/mach-imx/imx35.c                       |    9 +++++++++
 arch/arm/mach-imx/include/mach/imx35-regs.h     |    5 -----
 arch/arm/mach-imx/include/mach/weim.h           |    3 +++
 6 files changed, 21 insertions(+), 17 deletions(-)

diff --git a/arch/arm/boards/freescale-mx35-3-stack/3stack.c b/arch/arm/boards/freescale-mx35-3-stack/3stack.c
index 3d4a9cf..9a01424 100644
--- a/arch/arm/boards/freescale-mx35-3-stack/3stack.c
+++ b/arch/arm/boards/freescale-mx35-3-stack/3stack.c
@@ -39,6 +39,7 @@
 #include <generated/mach-types.h>
 
 #include <mach/gpio.h>
+#include <mach/weim.h>
 #include <mach/imx-nand.h>
 #include <mach/imx-regs.h>
 #include <mach/iomux-mx35.h>
@@ -140,9 +141,7 @@ static int f3s_devices_init(void)
 	uint32_t reg;
 
 	/* CS0: Nor Flash */
-	writel(0x0000cf03, CSCR_U(0));
-	writel(0x10000d03, CSCR_L(0));
-	writel(0x00720900, CSCR_A(0));
+	imx35_setup_weimcs(0, 0x0000cf03, 0x10000d03, 0x00720900);
 
 	reg = readl(MX35_CCM_BASE_ADDR + CCM_RCSR);
 	/* some fuses provide us vital information about connected hardware */
@@ -278,9 +277,8 @@ static int f3s_core_init(void)
 {
 	u32 reg;
 
-	writel(0x0000D843, CSCR_U(5)); /* CS5: smc9117 */
-	writel(0x22252521, CSCR_L(5));
-	writel(0x22220A00, CSCR_A(5));
+	/* CS5: smc9117 */
+	imx35_setup_weimcs(5, 0x0000D843, 0x22252521, 0x22220A00);
 
 	/* enable clock for I2C1 and FEC */
 	reg = readl(MX35_CCM_BASE_ADDR + CCM_CGR1);
diff --git a/arch/arm/boards/guf-cupid/board.c b/arch/arm/boards/guf-cupid/board.c
index 977d71c..933a9cd 100644
--- a/arch/arm/boards/guf-cupid/board.c
+++ b/arch/arm/boards/guf-cupid/board.c
@@ -36,6 +36,7 @@
 #include <fec.h>
 #include <fb.h>
 #include <asm/mmu.h>
+#include <mach/weim.h>
 #include <mach/imx-ipu-fb.h>
 #include <mach/imx-pll.h>
 #include <mach/iomux-mx35.h>
@@ -301,9 +302,8 @@ static int cupid_core_setup(void)
 	writel(0x0, MX35_MAX_BASE_ADDR + 0xc00);	/* for M4 */
 	writel(0x0, MX35_MAX_BASE_ADDR + 0xd00);	/* for M5 */
 
-	writel(0x0000DCF6, CSCR_U(0)); /* CS0: NOR Flash */
-	writel(0x444A4541, CSCR_L(0));
-	writel(0x44443302, CSCR_A(0));
+	/* CS0: NOR Flash */
+	imx35_setup_weimcs(0, 0x0000DCF6, 0x444A4541, 0x44443302);
 
 	/*
 	 * M3IF Control Register (M3IFCTL)
diff --git a/arch/arm/boards/pcm043/pcm043.c b/arch/arm/boards/pcm043/pcm043.c
index 3b4ec77..09bc96a 100644
--- a/arch/arm/boards/pcm043/pcm043.c
+++ b/arch/arm/boards/pcm043/pcm043.c
@@ -38,6 +38,7 @@
 #include <fb.h>
 #include <led.h>
 #include <asm/mmu.h>
+#include <mach/weim.h>
 #include <mach/imx-ipu-fb.h>
 #include <mach/imx-pll.h>
 #include <mach/iomux-mx35.h>
@@ -122,9 +123,7 @@ static int imx35_devices_init(void)
 	uint32_t reg;
 
 	/* CS0: Nor Flash */
-	writel(0x22C0CF00, CSCR_U(0));
-	writel(0x75000D01, CSCR_L(0));
-	writel(0x00000900, CSCR_A(0));
+	imx35_setup_weimcs(5, 0x22C0CF00, 0x75000D01, 0x00000900);
 
 	led_gpio_register(&led0);
 
diff --git a/arch/arm/mach-imx/imx35.c b/arch/arm/mach-imx/imx35.c
index 2e94f17..2a9f576 100644
--- a/arch/arm/mach-imx/imx35.c
+++ b/arch/arm/mach-imx/imx35.c
@@ -15,10 +15,19 @@
 #include <sizes.h>
 #include <init.h>
 #include <io.h>
+#include <mach/weim.h>
 #include <mach/imx-regs.h>
 #include <mach/iim.h>
 #include <mach/generic.h>
 
+void imx35_setup_weimcs(size_t cs, unsigned upper, unsigned lower,
+		unsigned additional)
+{
+	writel(upper, MX35_WEIM_BASE_ADDR + (cs * 0x10) + 0x0);
+	writel(lower, MX35_WEIM_BASE_ADDR + (cs * 0x10) + 0x4);
+	writel(additional, MX35_WEIM_BASE_ADDR + (cs * 0x10) + 0x8);
+}
+
 int imx_silicon_revision()
 {
 	uint32_t reg;
diff --git a/arch/arm/mach-imx/include/mach/imx35-regs.h b/arch/arm/mach-imx/include/mach/imx35-regs.h
index 223e629..773b414 100644
--- a/arch/arm/mach-imx/include/mach/imx35-regs.h
+++ b/arch/arm/mach-imx/include/mach/imx35-regs.h
@@ -172,9 +172,4 @@
 #define PDR0_AUTO_CON		(1 << 0)
 #define PDR0_PER_SEL		(1 << 26)
 
-#define WEIM_BASE 0xb8002000
-#define CSCR_U(x)     (WEIM_BASE + (x) * 0x10)
-#define CSCR_L(x)     (WEIM_BASE + 4 + (x) * 0x10)
-#define CSCR_A(x)     (WEIM_BASE + 8 + (x) * 0x10)
-
 #endif /* __ASM_ARCH_MX35_REGS_H */
diff --git a/arch/arm/mach-imx/include/mach/weim.h b/arch/arm/mach-imx/include/mach/weim.h
index 40e7b6e..576f87c 100644
--- a/arch/arm/mach-imx/include/mach/weim.h
+++ b/arch/arm/mach-imx/include/mach/weim.h
@@ -7,6 +7,9 @@ void imx27_setup_weimcs(size_t cs, unsigned upper, unsigned lower,
 void imx31_setup_weimcs(size_t cs, unsigned upper, unsigned lower,
 		unsigned additional);
 
+void imx35_setup_weimcs(size_t cs, unsigned upper, unsigned lower,
+		unsigned additional);
+
 void imx1_setup_eimcs(size_t cs, unsigned upper, unsigned lower);
 
 void imx21_setup_eimcs(size_t cs, unsigned upper, unsigned lower);
-- 
1.7.10.4


_______________________________________________
barebox mailing list
barebox@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/barebox

  parent reply	other threads:[~2012-09-24 10:46 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-24 10:46 [PATCH] i.MX register cleanups Sascha Hauer
2012-09-24 10:46 ` [PATCH 01/14] ARM i.MX31: give register base addresses a proper MX31_ prefix Sascha Hauer
2012-09-24 10:46 ` [PATCH 02/14] ARM i.MX35: give register base addresses a proper MX35_ prefix Sascha Hauer
2012-09-24 10:46 ` [PATCH 03/14] ARM i.MX21: give register base addresses a proper MX21_ prefix Sascha Hauer
2012-09-24 10:46 ` [PATCH 04/14] ARM i.MX1: give register base addresses a proper MX1_ prefix Sascha Hauer
2012-09-24 10:46 ` [PATCH 05/14] ARM i.MX27: give register base addresses a proper MX27_ prefix Sascha Hauer
2012-09-24 10:46 ` [PATCH 06/14] ARM i.MX25: give register base addresses a proper MX25_ prefix Sascha Hauer
2012-09-24 10:46 ` [PATCH 07/14] ARM i.MX/MXS: Allow to include imx*-regs.h directly Sascha Hauer
2012-09-24 10:46 ` [PATCH 08/14] ARM i.MX51: Use defines rather than hardcoded addresses Sascha Hauer
2012-09-24 10:46 ` [PATCH 09/14] ARM i.MX: Add header file for WEIM cs setup Sascha Hauer
2012-09-24 10:46 ` [PATCH 10/14] ARM i.MX1: Add function to setup chipselect Sascha Hauer
2012-09-24 10:46 ` [PATCH 11/14] ARM i.MX21: " Sascha Hauer
2012-09-24 10:46 ` [PATCH 12/14] ARM i.MX31: " Sascha Hauer
2012-09-24 10:46 ` Sascha Hauer [this message]
2012-09-24 10:46 ` [PATCH 14/14] ARM i.MX25: " Sascha Hauer
2012-09-24 12:04   ` Roberto Nibali

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1348483583-12586-14-git-send-email-s.hauer@pengutronix.de \
    --to=s.hauer@pengutronix.de \
    --cc=barebox@lists.infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox