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Wed, 7 Feb 2018 01:47:26 +0000 From: Bai Ping To: shawnguo@kernel.org, kernel@pengutronix.de Subject: [PATCH v3 1/3] ARM: imx: Add basic msl support for imx6sll Date: Wed, 7 Feb 2018 09:49:39 +0800 Message-Id: <1517968181-12765-1-git-send-email-ping.bai@nxp.com> X-Mailer: git-send-email 1.9.1 MIME-Version: 1.0 X-Originating-IP: [92.121.68.129] X-ClientProxiedBy: HK2PR0302CA0013.apcprd03.prod.outlook.com (2603:1096:202::23) To AM5PR04MB3106.eurprd04.prod.outlook.com (2603:10a6:206:c::11) X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: f0f832a1-21bd-4634-8ead-08d56dccbf4f X-Microsoft-Antispam: UriScan:; BCL:0; PCL:0; RULEID:(7020095)(4652020)(48565401081)(5600026)(4604075)(4534165)(4627221)(201703031133081)(201702281549075)(2017052603307)(7153060)(7193020); SRVR:AM5PR04MB3106; X-Microsoft-Exchange-Diagnostics: 1; AM5PR04MB3106; 3:DHQxW8BKt25eDOVZ6LFuQmMiGq/vz41ufFKfpAChBTXNFc0P7uOJlUKR8uDqSGOW9UBZEQ4q7ddD+P9HsVU2awQV4swjKDKCKpQ8Y8id9wt0E0VpsP1pSmypkZZi7osiCxNNJMknTk2lvWqy5lCU8hbdbh3LGmQIZWrDcGHO4ZsblWL/6/hfbCwBk1wB3cbFGFKXqKIq3D/95UduxX99kuZ8X21FuchDywx747JUtXd1sfNvcSPTyY3SZ6jh+mlt; 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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 --- change from v1->v2 - no change from v2->v3 - no --- 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 | 1 + arch/arm/mach-imx/mach-imx6sl.c | 10 ++++++++-- arch/arm/mach-imx/mxc.h | 6 ++++++ 7 files changed, 31 insertions(+), 4 deletions(-) diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index 782699e..8e3a618 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 8ff7105..c5caecb 100644 --- a/arch/arm/mach-imx/Makefile +++ b/arch/arm/mach-imx/Makefile @@ -78,6 +78,7 @@ 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 d4e55f2..32969f3 100644 --- a/arch/arm/mach-imx/cpu.c +++ b/arch/arm/mach-imx/cpu.c @@ -135,6 +135,9 @@ struct device * __init imx_soc_device_init(void) case MXC_CPU_IMX6ULL: soc_id = "i.MX6ULL"; 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 #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 de535cb..2479cb1 100644 --- a/arch/arm/mach-imx/gpc.c +++ b/arch/arm/mach-imx/gpc.c @@ -222,6 +222,7 @@ static int __init imx_gpc_init(struct device_node *node, { struct irq_domain *parent_domain, *domain; int i; + u32 val; if (!parent) { pr_err("%pOF: no parent, giving up\n", node); 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 #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 e00d626..026e2ca 100644 --- a/arch/arm/mach-imx/mxc.h +++ b/arch/arm/mach-imx/mxc.h @@ -40,6 +40,7 @@ #define MXC_CPU_IMX6Q 0x63 #define MXC_CPU_IMX6UL 0x64 #define MXC_CPU_IMX6ULL 0x65 +#define MXC_CPU_IMX6SLL 0x67 #define MXC_CPU_IMX7D 0x72 #define IMX_DDR_TYPE_LPDDR2 1 @@ -79,6 +80,11 @@ static inline bool cpu_is_imx6ull(void) return __mxc_cpu_type == MXC_CPU_IMX6ULL; } +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;