From: Bai Ping <ping.bai@nxp.com>
To: shawnguo@kernel.org, mturquette@baylibre.com,
sboyd@codeaurora.org, robh+dt@kernel.org, mark.rutland@arm.com,
linus.walleij@linaro.org
Cc: devicetree@vger.kernel.org, kernel@pengutronix.de,
daniel.lezcano@linaro.org, linux-gpio@vger.kernel.org,
p.zabel@pengutronix.de, fabio.estevam@nxp.com,
tglx@linutronix.de, linux-clk@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, ping.bai@nxp.com
Subject: [PATCH 01/11] ARM: imx: Add basic msl support for imx6sll
Date: Fri, 2 Dec 2016 14:39:24 +0800 [thread overview]
Message-ID: <1480660774-25055-2-git-send-email-ping.bai@nxp.com> (raw)
In-Reply-To: <1480660774-25055-1-git-send-email-ping.bai@nxp.com>
Add basic MSL support for i.MX6SLL.
The i.MX 6SoloLiteLite application processors are NXP's latest
additions to a growing family of multimedia-focused products
offering high-performance processing optimized for lowest power
consumption. The i.MX 6SoloLiteLite processors feature NXP's advanced
implementation of the ARM Cortex-A9 core, which can be interfaced
with LPDDR3 and LPDDR2 DRAM memory devices.
Signed-off-by: Bai Ping <ping.bai@nxp.com>
---
arch/arm/mach-imx/Kconfig | 7 +++++++
arch/arm/mach-imx/Makefile | 1 +
arch/arm/mach-imx/cpu.c | 3 +++
arch/arm/mach-imx/cpuidle-imx6sl.c | 7 +++++--
arch/arm/mach-imx/gpc.c | 8 ++++++++
arch/arm/mach-imx/mach-imx6sl.c | 10 ++++++++--
arch/arm/mach-imx/mxc.h | 6 ++++++
7 files changed, 38 insertions(+), 4 deletions(-)
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 936c59d..33bcfda 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -512,6 +512,13 @@ config SOC_IMX6SL
help
This enables support for Freescale i.MX6 SoloLite processor.
+config SOC_IMX6SLL
+ bool "i.MX6 SoloLiteLite support"
+ select SOC_IMX6
+
+ help
+ This enables support for Freescale i.MX6 SoloLiteLite processor.
+
config SOC_IMX6SX
bool "i.MX6 SoloX support"
select PINCTRL_IMX6SX
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index cab1289..f2bf650 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -77,6 +77,7 @@ obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o
endif
obj-$(CONFIG_SOC_IMX6Q) += mach-imx6q.o
obj-$(CONFIG_SOC_IMX6SL) += mach-imx6sl.o
+obj-$(CONFIG_SOC_IMX6SLL) += mach-imx6sl.o
obj-$(CONFIG_SOC_IMX6SX) += mach-imx6sx.o
obj-$(CONFIG_SOC_IMX6UL) += mach-imx6ul.o
obj-$(CONFIG_SOC_IMX7D) += mach-imx7d.o
diff --git a/arch/arm/mach-imx/cpu.c b/arch/arm/mach-imx/cpu.c
index b3347d3..62e8c0f 100644
--- a/arch/arm/mach-imx/cpu.c
+++ b/arch/arm/mach-imx/cpu.c
@@ -131,6 +131,9 @@ struct device * __init imx_soc_device_init(void)
case MXC_CPU_IMX6UL:
soc_id = "i.MX6UL";
break;
+ case MXC_CPU_IMX6SLL:
+ soc_id = "i.MX6SLL";
+ break;
case MXC_CPU_IMX7D:
soc_id = "i.MX7D";
break;
diff --git a/arch/arm/mach-imx/cpuidle-imx6sl.c b/arch/arm/mach-imx/cpuidle-imx6sl.c
index 8d866fb..124f982 100644
--- a/arch/arm/mach-imx/cpuidle-imx6sl.c
+++ b/arch/arm/mach-imx/cpuidle-imx6sl.c
@@ -11,6 +11,7 @@
#include <asm/cpuidle.h>
#include "common.h"
+#include "hardware.h"
#include "cpuidle.h"
static int imx6sl_enter_wait(struct cpuidle_device *dev,
@@ -21,9 +22,11 @@ static int imx6sl_enter_wait(struct cpuidle_device *dev,
* Software workaround for ERR005311, see function
* description for details.
*/
- imx6sl_set_wait_clk(true);
+ if (cpu_is_imx6sl())
+ imx6sl_set_wait_clk(true);
cpu_do_idle();
- imx6sl_set_wait_clk(false);
+ if (cpu_is_imx6sl())
+ imx6sl_set_wait_clk(false);
imx6_set_lpm(WAIT_CLOCKED);
return index;
diff --git a/arch/arm/mach-imx/gpc.c b/arch/arm/mach-imx/gpc.c
index 1dc2a34..4ed8a63 100644
--- a/arch/arm/mach-imx/gpc.c
+++ b/arch/arm/mach-imx/gpc.c
@@ -26,6 +26,7 @@
#include "hardware.h"
#define GPC_CNTR 0x000
+#define GPC_CNTR_L2_PGE 22
#define GPC_IMR1 0x008
#define GPC_PGC_GPU_PDN 0x260
#define GPC_PGC_GPU_PUPSCR 0x264
@@ -243,6 +244,7 @@ static int __init imx_gpc_init(struct device_node *node,
{
struct irq_domain *parent_domain, *domain;
int i;
+ u32 val;
if (!parent) {
pr_err("%s: no parent, giving up\n", node->full_name);
@@ -271,6 +273,12 @@ static int __init imx_gpc_init(struct device_node *node,
for (i = 0; i < IMR_NUM; i++)
writel_relaxed(~0, gpc_base + GPC_IMR1 + i * 4);
+ /* clear the L2_PGE bit on i.MX6SLL */
+ if (cpu_is_imx6sll()) {
+ val = readl_relaxed(gpc_base + GPC_CNTR);
+ val &= ~(1 << GPC_CNTR_L2_PGE);
+ writel_relaxed(val, gpc_base + GPC_CNTR);
+ }
/*
* Clear the OF_POPULATED flag set in of_irq_init so that
* later the GPC power domain driver will not be skipped.
diff --git a/arch/arm/mach-imx/mach-imx6sl.c b/arch/arm/mach-imx/mach-imx6sl.c
index 0408490..462ed9c 100644
--- a/arch/arm/mach-imx/mach-imx6sl.c
+++ b/arch/arm/mach-imx/mach-imx6sl.c
@@ -17,6 +17,7 @@
#include <asm/mach/map.h>
#include "common.h"
+#include "hardware.h"
#include "cpuidle.h"
static void __init imx6sl_fec_init(void)
@@ -54,7 +55,8 @@ static void __init imx6sl_init_machine(void)
of_platform_default_populate(NULL, NULL, parent);
- imx6sl_fec_init();
+ if (cpu_is_imx6sl())
+ imx6sl_fec_init();
imx_anatop_init();
imx6sl_pm_init();
}
@@ -66,11 +68,15 @@ static void __init imx6sl_init_irq(void)
imx_init_l2cache();
imx_src_init();
irqchip_init();
- imx6_pm_ccm_init("fsl,imx6sl-ccm");
+ if (cpu_is_imx6sl())
+ imx6_pm_ccm_init("fsl,imx6sl-ccm");
+ else
+ imx6_pm_ccm_init("fsl,imx6sll-ccm");
}
static const char * const imx6sl_dt_compat[] __initconst = {
"fsl,imx6sl",
+ "fsl,imx6sll",
NULL,
};
diff --git a/arch/arm/mach-imx/mxc.h b/arch/arm/mach-imx/mxc.h
index 34f2ff6..e047611 100644
--- a/arch/arm/mach-imx/mxc.h
+++ b/arch/arm/mach-imx/mxc.h
@@ -39,6 +39,7 @@
#define MXC_CPU_IMX6SX 0x62
#define MXC_CPU_IMX6Q 0x63
#define MXC_CPU_IMX6UL 0x64
+#define MXC_CPU_IMX6SLL 0x67
#define MXC_CPU_IMX7D 0x72
#define IMX_DDR_TYPE_LPDDR2 1
@@ -73,6 +74,11 @@ static inline bool cpu_is_imx6ul(void)
return __mxc_cpu_type == MXC_CPU_IMX6UL;
}
+static inline bool cpu_is_imx6sll(void)
+{
+ return __mxc_cpu_type == MXC_CPU_IMX6SLL;
+}
+
static inline bool cpu_is_imx6q(void)
{
return __mxc_cpu_type == MXC_CPU_IMX6Q;
--
1.9.1
next prev parent reply other threads:[~2016-12-02 6:39 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-02 6:39 [PATCH 00/11] Add basic code support for imx6sll Bai Ping
2016-12-02 6:39 ` Bai Ping [this message]
2016-12-02 6:39 ` [PATCH 02/11] driver: clocksource: add gpt timer " Bai Ping
2016-12-02 6:39 ` [PATCH 03/11] driver: clk: imx: Add clock driver " Bai Ping
2016-12-08 22:52 ` Stephen Boyd
2016-12-12 2:58 ` Jacky Bai
2016-12-13 23:28 ` Stephen Boyd
2016-12-02 6:39 ` [PATCH 04/11] driver: pinctrl: imx: Add pinctrl driver support " Bai Ping
[not found] ` <1480660774-25055-1-git-send-email-ping.bai-3arQi8VN3Tc@public.gmane.org>
2016-12-02 6:39 ` [PATCH 05/11] ARM: dts: imx: Add basic dtsi " Bai Ping
2016-12-02 6:39 ` [PATCH 06/11] ARM: dts: imx: Add imx6sll EVK board dts support Bai Ping
2016-12-05 10:25 ` Fabio Estevam
2016-12-06 8:39 ` Jacky Bai
2016-12-02 6:39 ` [PATCH 07/11] ARM: debug: Add low level debug support for imx6sll Bai Ping
2016-12-02 6:39 ` [PATCH 08/11] ARM: imx: Add suspend/resume " Bai Ping
2016-12-02 6:39 ` [PATCH 09/11] ARM: imx: correct i.mx6sll dram io low power mode Bai Ping
2016-12-02 6:39 ` [PATCH 10/11] Document: dt: binding: imx: update doc for imx6sll Bai Ping
2016-12-08 22:54 ` Stephen Boyd
2016-12-12 2:32 ` Jacky Bai
[not found] ` <1480660774-25055-11-git-send-email-ping.bai-3arQi8VN3Tc@public.gmane.org>
2016-12-09 18:12 ` Rob Herring
2016-12-12 2:59 ` Jacky Bai
2016-12-02 6:39 ` [PATCH 11/11] ARM: configs: enable imx6sll support in defconfig Bai Ping
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