Patchwork [2/2] ARM: imx6q: add support for IRAM

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Submitter Jason Chen
Date Dec. 27, 2011, 1:33 a.m.
Message ID <1324949639-27246-1-git-send-email-jason.chen@linaro.org>
Download mbox | patch
Permalink /patch/133291/
State New
Headers show

Comments

Jason Chen - Dec. 27, 2011, 1:33 a.m.
Signed-off-by: Jason Chen <jason.chen@linaro.org>
Signed-off-by: Eric Miao <eric.miao@linaro.org>
---
 arch/arm/boot/dts/imx6q.dtsi    |    5 +++++
 arch/arm/mach-imx/Kconfig       |    1 +
 arch/arm/mach-imx/clock-imx6q.c |    3 ++-
 arch/arm/mach-imx/mach-imx6q.c  |    2 ++
 4 files changed, 10 insertions(+), 1 deletions(-)

Patch

diff --git a/arch/arm/boot/dts/imx6q.dtsi b/arch/arm/boot/dts/imx6q.dtsi
index 263e8f3..72b78bb 100644
--- a/arch/arm/boot/dts/imx6q.dtsi
+++ b/arch/arm/boot/dts/imx6q.dtsi
@@ -87,6 +87,11 @@ 
 		interrupt-parent = <&intc>;
 		ranges;
 
+		ocram@00900000 {
+			compatible = "fsl,imx-iram";
+			reg = <0x00900000 0x40000>;
+		};
+
 		timer@00a00600 {
 			compatible = "arm,smp-twd";
 			reg = <0x00a00600 0x100>;
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index fa5c10c..88eaef6 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -841,6 +841,7 @@  config SOC_IMX6Q
 	select HAVE_IMX_GPC
 	select HAVE_IMX_MMDC
 	select HAVE_IMX_SRC
+	select IRAM_ALLOC
 	select USE_OF
 
 	help
diff --git a/arch/arm/mach-imx/clock-imx6q.c b/arch/arm/mach-imx/clock-imx6q.c
index 9273c2a..285fd06 100644
--- a/arch/arm/mach-imx/clock-imx6q.c
+++ b/arch/arm/mach-imx/clock-imx6q.c
@@ -1777,6 +1777,7 @@  DEF_CLK(mmdc_ch0_axi_clk, CCGR3, CG10, &periph_clk,	  &mmdc_ch0_ipg_clk);
 DEF_CLK(mmdc_ch1_ipg_clk, CCGR3, CG13, &ipg_clk,	  NULL);
 DEF_CLK(mmdc_ch1_axi_clk, CCGR3, CG11, &periph2_clk,	  &mmdc_ch1_ipg_clk);
 DEF_CLK(openvg_axi_clk,   CCGR3, CG13, &axi_clk,	  NULL);
+DEF_CLK(ocram_clk,   	  CCGR3, CG14, &ahb_clk,	  NULL);
 DEF_CLK(pwm1_clk,	  CCGR4, CG8,  &ipg_perclk,	  NULL);
 DEF_CLK(pwm2_clk,	  CCGR4, CG9,  &ipg_perclk,	  NULL);
 DEF_CLK(pwm3_clk,	  CCGR4, CG10, &ipg_perclk,	  NULL);
@@ -1982,7 +1983,7 @@  int __init mx6q_clocks_init(void)
 	/* only keep necessary clocks on */
 	writel_relaxed(0x3 << CG0  | 0x3 << CG1  | 0x3 << CG2,	CCGR0);
 	writel_relaxed(0x3 << CG8  | 0x3 << CG9  | 0x3 << CG10,	CCGR2);
-	writel_relaxed(0x3 << CG10 | 0x3 << CG12,		CCGR3);
+	writel_relaxed(0x3 << CG10 | 0x3 << CG12 | 0x1 << CG14,	CCGR3);
 	writel_relaxed(0x3 << CG4  | 0x3 << CG6  | 0x3 << CG7,	CCGR4);
 	writel_relaxed(0x3 << CG0,				CCGR5);
 	writel_relaxed(0,					CCGR6);
diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c
index c257281..9bfbcfc 100644
--- a/arch/arm/mach-imx/mach-imx6q.c
+++ b/arch/arm/mach-imx/mach-imx6q.c
@@ -27,6 +27,7 @@ 
 #include <asm/mach/time.h>
 #include <mach/common.h>
 #include <mach/hardware.h>
+#include <mach/iram.h>
 
 void imx6q_restart(char mode, const char *cmd)
 {
@@ -81,6 +82,7 @@  static void __init imx6q_init_machine(void)
 
 	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
 
+	of_iram_init();
 	imx6q_pm_init();
 }