diff options
Diffstat (limited to 'target/linux/layerscape/patches-4.9/806-flextimer-support-layerscape.patch')
| -rw-r--r-- | target/linux/layerscape/patches-4.9/806-flextimer-support-layerscape.patch | 109 |
1 files changed, 99 insertions, 10 deletions
diff --git a/target/linux/layerscape/patches-4.9/806-flextimer-support-layerscape.patch b/target/linux/layerscape/patches-4.9/806-flextimer-support-layerscape.patch index 711fde77de..4f7fe70a8d 100644 --- a/target/linux/layerscape/patches-4.9/806-flextimer-support-layerscape.patch +++ b/target/linux/layerscape/patches-4.9/806-flextimer-support-layerscape.patch @@ -1,4 +1,4 @@ -From a5b3155b532289af793c26251cb087b4a24d5c15 Mon Sep 17 00:00:00 2001 +From 76cd2ef6b69b67c09480a3248f7b910897f0bb2f Mon Sep 17 00:00:00 2001 From: Yangbo Lu <yangbo.lu@nxp.com> Date: Mon, 25 Sep 2017 12:13:12 +0800 Subject: [PATCH] flextimer: support layerscape @@ -10,13 +10,15 @@ Signed-off-by: Meng Yi <meng.yi@nxp.com> Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> --- drivers/clocksource/fsl_ftm_timer.c | 8 +- - drivers/soc/fsl/layerscape/ftm_alarm.c | 286 +++++++++++++++++++++++++++++++++ - 2 files changed, 290 insertions(+), 4 deletions(-) + drivers/soc/fsl/layerscape/ftm_alarm.c | 367 +++++++++++++++++++++++++++++++++ + 2 files changed, 371 insertions(+), 4 deletions(-) create mode 100644 drivers/soc/fsl/layerscape/ftm_alarm.c +diff --git a/drivers/clocksource/fsl_ftm_timer.c b/drivers/clocksource/fsl_ftm_timer.c +index 738515b8..770bbbca 100644 --- a/drivers/clocksource/fsl_ftm_timer.c +++ b/drivers/clocksource/fsl_ftm_timer.c -@@ -83,11 +83,11 @@ static inline void ftm_counter_disable(v +@@ -83,11 +83,11 @@ static inline void ftm_counter_disable(void __iomem *base) static inline void ftm_irq_acknowledge(void __iomem *base) { @@ -32,9 +34,12 @@ Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> } static inline void ftm_irq_enable(void __iomem *base) +diff --git a/drivers/soc/fsl/layerscape/ftm_alarm.c b/drivers/soc/fsl/layerscape/ftm_alarm.c +new file mode 100644 +index 00000000..49865b0b --- /dev/null +++ b/drivers/soc/fsl/layerscape/ftm_alarm.c -@@ -0,0 +1,286 @@ +@@ -0,0 +1,367 @@ +/* + * Freescale FlexTimer Module (FTM) Alarm driver. + * @@ -53,6 +58,10 @@ Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> +#include <linux/of_address.h> +#include <linux/of_irq.h> +#include <linux/platform_device.h> ++#include <linux/of.h> ++#include <linux/of_device.h> ++#include <linux/libata.h> ++#include <linux/module.h> + +#define FTM_SC 0x00 +#define FTM_SC_CLK_SHIFT 3 @@ -77,6 +86,57 @@ Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> +static u32 alarm_freq; +static bool big_endian; + ++enum pmu_endian_type { ++ BIG_ENDIAN, ++ LITTLE_ENDIAN, ++}; ++ ++struct rcpm_cfg { ++ enum pmu_endian_type big_endian; /* Big/Little endian of PMU module */ ++ u32 flextimer_set_bit; /* FlexTimer1 is not powerdown during device LPM20 */ ++}; ++ ++static struct rcpm_cfg ls1012a_rcpm_cfg = { ++ .big_endian = BIG_ENDIAN, ++ .flextimer_set_bit = 0x20000, ++}; ++ ++static struct rcpm_cfg ls1021a_rcpm_cfg = { ++ .big_endian = BIG_ENDIAN, ++ .flextimer_set_bit = 0x20000, ++}; ++ ++static struct rcpm_cfg ls1043a_rcpm_cfg = { ++ .big_endian = BIG_ENDIAN, ++ .flextimer_set_bit = 0x20000, ++}; ++ ++static struct rcpm_cfg ls1046a_rcpm_cfg = { ++ .big_endian = BIG_ENDIAN, ++ .flextimer_set_bit = 0x20000, ++}; ++ ++static struct rcpm_cfg ls1088a_rcpm_cfg = { ++ .big_endian = LITTLE_ENDIAN, ++ .flextimer_set_bit = 0x4000, ++}; ++ ++static struct rcpm_cfg ls208xa_rcpm_cfg = { ++ .big_endian = LITTLE_ENDIAN, ++ .flextimer_set_bit = 0x4000, ++}; ++ ++static const struct of_device_id ippdexpcr_of_match[] = { ++ { .compatible = "fsl,ls1012a-ftm", .data = &ls1012a_rcpm_cfg}, ++ { .compatible = "fsl,ls1021a-ftm", .data = &ls1021a_rcpm_cfg}, ++ { .compatible = "fsl,ls1043a-ftm", .data = &ls1043a_rcpm_cfg}, ++ { .compatible = "fsl,ls1046a-ftm", .data = &ls1046a_rcpm_cfg}, ++ { .compatible = "fsl,ls1088a-ftm", .data = &ls1088a_rcpm_cfg}, ++ { .compatible = "fsl,ls208xa-ftm", .data = &ls208xa_rcpm_cfg}, ++ {}, ++}; ++MODULE_DEVICE_TABLE(of, ippdexpcr_of_match); ++ +static inline u32 ftm_readl(void __iomem *addr) +{ + if (big_endian) @@ -251,7 +311,10 @@ Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> + struct resource *r; + int irq; + int ret; -+ u32 ippdexpcr; ++ struct rcpm_cfg *rcpm_cfg; ++ u32 ippdexpcr, flextimer; ++ const struct of_device_id *of_id; ++ enum pmu_endian_type endian; + + r = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!r) @@ -261,14 +324,32 @@ Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> + if (IS_ERR(ftm1_base)) + return PTR_ERR(ftm1_base); + ++ of_id = of_match_node(ippdexpcr_of_match, np); ++ if (!of_id) ++ return -ENODEV; ++ ++ rcpm_cfg = devm_kzalloc(&pdev->dev, sizeof(*rcpm_cfg), GFP_KERNEL); ++ if (!rcpm_cfg) ++ return -ENOMEM; ++ ++ rcpm_cfg = (struct rcpm_cfg*)of_id->data; ++ endian = rcpm_cfg->big_endian; ++ flextimer = rcpm_cfg->flextimer_set_bit; ++ + r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "FlexTimer1"); + if (r) { + rcpm_ftm_addr = devm_ioremap_resource(&pdev->dev, r); + if (IS_ERR(rcpm_ftm_addr)) + return PTR_ERR(rcpm_ftm_addr); -+ ippdexpcr = ioread32be(rcpm_ftm_addr); -+ ippdexpcr |= 0x20000; -+ iowrite32be(ippdexpcr, rcpm_ftm_addr); ++ if (endian == BIG_ENDIAN) ++ ippdexpcr = ioread32be(rcpm_ftm_addr); ++ else ++ ippdexpcr = ioread32(rcpm_ftm_addr); ++ ippdexpcr |= flextimer; ++ if (endian == BIG_ENDIAN) ++ iowrite32be(ippdexpcr, rcpm_ftm_addr); ++ else ++ iowrite32(ippdexpcr, rcpm_ftm_addr); + } + + irq = irq_of_parse_and_map(np, 0); @@ -302,7 +383,12 @@ Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> +} + +static const struct of_device_id ftm_alarm_match[] = { -+ { .compatible = "fsl,ftm-alarm", }, ++ { .compatible = "fsl,ls1012a-ftm", }, ++ { .compatible = "fsl,ls1021a-ftm", }, ++ { .compatible = "fsl,ls1043a-ftm", }, ++ { .compatible = "fsl,ls1046a-ftm", }, ++ { .compatible = "fsl,ls1088a-ftm", }, ++ { .compatible = "fsl,ls208xa-ftm", }, + { .compatible = "fsl,ftm-timer", }, + { }, +}; @@ -321,3 +407,6 @@ Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> + return platform_driver_register(&ftm_alarm_driver); +} +device_initcall(ftm_alarm_init); +-- +2.14.1 + |