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From: Jan Weitzel <j.weitzel@phytec.de>
To: barebox@lists.infradead.org
Subject: [PATCH 2/3] OMAP4460: ram init changes
Date: Tue, 14 Aug 2012 09:04:32 +0200	[thread overview]
Message-ID: <1344927873-19506-3-git-send-email-j.weitzel@phytec.de> (raw)
In-Reply-To: <1344927873-19506-1-git-send-email-j.weitzel@phytec.de>

configure  Memory Adapter for 4460

Signed-off-by: Jan Weitzel <j.weitzel@phytec.de>
---
 arch/arm/mach-omap/include/mach/omap4-silicon.h |    4 ++++
 arch/arm/mach-omap/omap4_generic.c              |   21 +++++++++++++++++++--
 2 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-omap/include/mach/omap4-silicon.h b/arch/arm/mach-omap/include/mach/omap4-silicon.h
index d5517c5..4082bac 100644
--- a/arch/arm/mach-omap/include/mach/omap4-silicon.h
+++ b/arch/arm/mach-omap/include/mach/omap4-silicon.h
@@ -101,6 +101,10 @@
 #define DMM_LISA_MAP_SYS_SIZE_MASK	(7 << 20)
 #define DMM_LISA_MAP_SYS_SIZE_SHIFT	20
 #define DMM_LISA_MAP_SYS_ADDR_MASK	(0xFF << 24)
+
+/* Memory Adapter (4460 onwards) */
+#define OMAP44XX_MA_BASE		0x482AF000
+
 /*
  * Hardware Register Details
  */
diff --git a/arch/arm/mach-omap/omap4_generic.c b/arch/arm/mach-omap/omap4_generic.c
index 3f6865a..617d786 100644
--- a/arch/arm/mach-omap/omap4_generic.c
+++ b/arch/arm/mach-omap/omap4_generic.c
@@ -29,6 +29,10 @@
 #define OMAP4460_CONTROL_ID_CODE_ES1_0  0x0B94E02F
 #define OMAP4460_CONTROL_ID_CODE_ES1_1  0x2B94E02F
 
+/* EMIF_L3_CONFIG register value */
+#define EMIF_L3_CONFIG_VAL_SYS_10_LL_0		0x0A0000FF
+#define EMIF_L3_CONFIG_VAL_SYS_10_MPU_3_LL_0	0x0A300000
+
 void __noreturn reset_cpu(unsigned long addr)
 {
 	writel(PRM_RSTCTRL_RESET, PRM_RSTCTRL);
@@ -272,8 +276,7 @@ static void reset_phy(unsigned int base)
 void omap4_ddr_init(const struct ddr_regs *ddr_regs,
 		const struct dpll_param *core)
 {
-	unsigned int rev;
-	rev = omap4_revision();
+	unsigned int rev = omap4_revision();
 
 	if (rev == OMAP4430_ES2_0) {
 		writel(0x9e9e9e9e, 0x4A100638);
@@ -296,6 +299,13 @@ void omap4_ddr_init(const struct ddr_regs *ddr_regs,
 	writel(0x00000000, OMAP44XX_DMM_BASE + DMM_LISA_MAP_2);
 	writel(0xFF020100, OMAP44XX_DMM_BASE + DMM_LISA_MAP_3);
 
+	if (rev >= OMAP4460_ES1_0) {
+		writel(0x80640300, OMAP44XX_MA_BASE + DMM_LISA_MAP_0);
+
+		writel(0x00000000, OMAP44XX_MA_BASE + DMM_LISA_MAP_2);
+		writel(0xFF020100, OMAP44XX_MA_BASE + DMM_LISA_MAP_3);
+	}
+
 	/* DDR needs to be initialised @ 19.2 MHz
 	 * So put core DPLL in bypass mode
 	 * Configure the Core DPLL but don't lock it
@@ -338,6 +348,13 @@ void omap4_ddr_init(const struct ddr_regs *ddr_regs,
 	writel(0x80000000, OMAP44XX_EMIF1_BASE + EMIF_PWR_MGMT_CTRL);
 	writel(0x80000000, OMAP44XX_EMIF2_BASE + EMIF_PWR_MGMT_CTRL);
 
+	if (rev >= OMAP4460_ES1_0) {
+		writel(EMIF_L3_CONFIG_VAL_SYS_10_MPU_3_LL_0,
+				OMAP44XX_EMIF1_BASE + EMIF_L3_CONFIG);
+		writel(EMIF_L3_CONFIG_VAL_SYS_10_MPU_3_LL_0,
+				OMAP44XX_EMIF2_BASE + EMIF_L3_CONFIG);
+	}
+
 	/*
 	 * DMM : DMM_LISA_MAP_0(Section_0)
 	 * [31:24] SYS_ADDR 		0x80
-- 
1.7.0.4


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  parent reply	other threads:[~2012-08-14  7:04 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-14  7:04 [PATCH 0/3 v2] omap: 4460 support Jan Weitzel
2012-08-14  7:04 ` [PATCH 1/3] Add support for OMAP4460 TPS62361 Jan Weitzel
2012-08-14  7:04 ` Jan Weitzel [this message]
2012-08-14  7:04 ` [PATCH 3/3] OMAP4460: clock init Jan Weitzel
2012-08-14 20:03 ` [PATCH 0/3 v2] omap: 4460 support Sascha Hauer
  -- strict thread matches above, loose matches on Subject: below --
2012-07-27 13:40 [PATCH 0/3] " Jan Weitzel
2012-07-27 13:40 ` [PATCH 2/3] OMAP4460: ram init changes Jan Weitzel
2012-07-27 14:13   ` Jean-Christophe PLAGNIOL-VILLARD
2012-07-27 15:12     ` Sascha Hauer

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