From 93dd2f7211db6607184adadb488582e01fd5c29b Mon Sep 17 00:00:00 2001 From: Ram Chandra Jangir Date: Fri, 4 May 2018 21:57:33 +0530 Subject: ipq806x: add kernel 4.14 support - Rebased the patches for 4.14 - Dropped spi-qup and 0027, 0028, 0029 clk patches since it's already included in upstream. Tested on IPQ AP148 Board: 1) NOR boot and NAND boot 2) Tested USB and PCIe interfaces 3) WDOG test 4) cpu frequency scaling 5) ethernet, 2G and 5G WiFi 6) ubi sysupgrade Signed-off-by: Ram Chandra Jangir Tested-by: Stefan Lippers-Hollmann --- ...om-use-scm_call-to-route-GPIO-irq-to-Apps.patch | 183 +++++++++++++++++++++ 1 file changed, 183 insertions(+) create mode 100644 target/linux/ipq806x/patches-4.14/0073-pinctrl-qom-use-scm_call-to-route-GPIO-irq-to-Apps.patch (limited to 'target/linux/ipq806x/patches-4.14/0073-pinctrl-qom-use-scm_call-to-route-GPIO-irq-to-Apps.patch') diff --git a/target/linux/ipq806x/patches-4.14/0073-pinctrl-qom-use-scm_call-to-route-GPIO-irq-to-Apps.patch b/target/linux/ipq806x/patches-4.14/0073-pinctrl-qom-use-scm_call-to-route-GPIO-irq-to-Apps.patch new file mode 100644 index 0000000000..89e7490d77 --- /dev/null +++ b/target/linux/ipq806x/patches-4.14/0073-pinctrl-qom-use-scm_call-to-route-GPIO-irq-to-Apps.patch @@ -0,0 +1,183 @@ +From 2034addc7e193dc81d7ca60d8884832751b76758 Mon Sep 17 00:00:00 2001 +From: Ajay Kishore +Date: Tue, 24 Jan 2017 14:14:16 +0530 +Subject: pinctrl: qcom: use scm_call to route GPIO irq to Apps + +For IPQ806x targets, TZ protects the registers that are used to +configure the routing of interrupts to a target processor. +To resolve this, this patch uses scm call to route GPIO interrupts +to application processor. Also the scm call interface is changed. + +Change-Id: Ib6c06829d04bc8c20483c36e63da92e26cdef9ce +Signed-off-by: Ajay Kishore +--- + drivers/firmware/qcom_scm-32.c | 17 +++++++++++++++++ + drivers/firmware/qcom_scm-64.c | 9 +++++++++ + drivers/firmware/qcom_scm.c | 13 +++++++++++++ + drivers/firmware/qcom_scm.h | 8 ++++++++ + drivers/pinctrl/qcom/pinctrl-msm.c | 34 ++++++++++++++++++++++++++++------ + include/linux/qcom_scm.h | 3 ++- + 6 files changed, 77 insertions(+), 7 deletions(-) + +--- a/drivers/firmware/qcom_scm-32.c ++++ b/drivers/firmware/qcom_scm-32.c +@@ -561,6 +561,24 @@ + return ret ? : le32_to_cpu(out); + } + ++int __qcom_scm_pinmux_read(u32 svc_id, u32 cmd_id, u32 arg1) ++{ ++ s32 ret; ++ ++ ret = qcom_scm_call_atomic1(svc_id, cmd_id, arg1); ++ ++ return ret; ++} ++ ++int __qcom_scm_pinmux_write(u32 svc_id, u32 cmd_id, u32 arg1, u32 arg2) ++{ ++ s32 ret; ++ ++ ret = qcom_scm_call_atomic2(svc_id, cmd_id, arg1, arg2); ++ ++ return ret; ++} ++ + int __qcom_scm_set_remote_state(struct device *dev, u32 state, u32 id) + { + struct { +--- a/drivers/firmware/qcom_scm-64.c ++++ b/drivers/firmware/qcom_scm-64.c +@@ -366,6 +366,16 @@ + return ret ? : res.a1; + } + ++int __qcom_scm_pinmux_read(u32 svc_id, u32 cmd_id, u32 arg1) ++{ ++ return -ENOTSUPP; ++} ++ ++int __qcom_scm_pinmux_write(u32 svc_id, u32 cmd_id, u32 arg1, u32 arg2) ++{ ++ return -ENOTSUPP; ++} ++ + int __qcom_scm_set_remote_state(struct device *dev, u32 state, u32 id) + { + struct qcom_scm_desc desc = {0}; +--- a/drivers/firmware/qcom_scm.c ++++ b/drivers/firmware/qcom_scm.c +@@ -470,3 +470,16 @@ static int __init qcom_scm_init(void) + return platform_driver_register(&qcom_scm_driver); + } + subsys_initcall(qcom_scm_init); ++ ++int qcom_scm_pinmux_read(u32 arg1) ++{ ++ return __qcom_scm_pinmux_read(SCM_SVC_IO_ACCESS, SCM_IO_READ, arg1); ++} ++EXPORT_SYMBOL(qcom_scm_pinmux_read); ++ ++int qcom_scm_pinmux_write(u32 arg1, u32 arg2) ++{ ++ return __qcom_scm_pinmux_write(SCM_SVC_IO_ACCESS, SCM_IO_WRITE, ++ arg1, arg2); ++} ++EXPORT_SYMBOL(qcom_scm_pinmux_write); +--- a/drivers/firmware/qcom_scm.h ++++ b/drivers/firmware/qcom_scm.h +@@ -58,6 +58,13 @@ extern int __qcom_scm_pas_auth_and_rese + extern int __qcom_scm_pas_shutdown(struct device *dev, u32 peripheral); + extern int __qcom_scm_pas_mss_reset(struct device *dev, bool reset); + ++#define SCM_IO_READ 1 ++#define SCM_IO_WRITE 2 ++#define SCM_SVC_IO_ACCESS 0x5 ++ ++s32 __qcom_scm_pinmux_read(u32 svc_id, u32 cmd_id, u32 arg1); ++s32 __qcom_scm_pinmux_write(u32 svc_id, u32 cmd_id, u32 arg1, u32 arg2); ++ + /* common error codes */ + #define QCOM_SCM_V2_EBUSY -12 + #define QCOM_SCM_ENOMEM -5 +--- a/drivers/pinctrl/qcom/pinctrl-msm.c ++++ b/drivers/pinctrl/qcom/pinctrl-msm.c +@@ -30,7 +30,8 @@ + #include + #include + #include +- ++#include ++#include + #include "../core.h" + #include "../pinconf.h" + #include "pinctrl-msm.h" +@@ -638,6 +639,9 @@ static int msm_gpio_irq_set_type(struct + const struct msm_pingroup *g; + unsigned long flags; + u32 val; ++ u32 addr; ++ int ret; ++ const __be32 *reg; + + g = &pctrl->soc->groups[d->hwirq]; + +@@ -676,11 +680,30 @@ static int msm_gpio_irq_set_type(struct + else + clear_bit(d->hwirq, pctrl->dual_edge_irqs); + ++ int ret = of_device_is_compatible(pctrl->dev->of_node, ++ "qcom,ipq8064-pinctrl"); + /* Route interrupts to application cpu */ +- val = readl(pctrl->regs + g->intr_target_reg); +- val &= ~(7 << g->intr_target_bit); +- val |= g->intr_target_kpss_val << g->intr_target_bit; +- writel(val, pctrl->regs + g->intr_target_reg); ++ if (!ret) { ++ val = readl(pctrl->regs + g->intr_target_reg); ++ val &= ~(7 << g->intr_target_bit); ++ val |= g->intr_target_kpss_val << g->intr_target_bit; ++ writel(val, pctrl->regs + g->intr_target_reg); ++ } else { ++ const __be32 *reg = of_get_property(pctrl->dev->of_node, "reg", NULL); ++ if (reg) { ++ u32 addr = be32_to_cpup(reg) + g->intr_target_reg; ++ val = qcom_scm_pinmux_read(addr); ++ __iormb(); ++ ++ val &= ~(7 << g->intr_target_bit); ++ val |= g->intr_target_kpss_val << g->intr_target_bit; ++ ++ __iowmb(); ++ ret = qcom_scm_pinmux_write(addr, val); ++ if (ret) ++ pr_err("\n Routing interrupts to Apps proc failed"); ++ } ++ } + + /* Update configuration for gpio. + * RAW_STATUS_EN is left on for all gpio irqs. Due to the +@@ -954,4 +977,3 @@ int msm_pinctrl_remove(struct platform_d + return 0; + } + EXPORT_SYMBOL(msm_pinctrl_remove); +- +--- a/include/linux/qcom_scm.h ++++ b/include/linux/qcom_scm.h +@@ -43,6 +43,8 @@ + extern int qcom_scm_restore_sec_cfg(u32 device_id, u32 spare); + extern int qcom_scm_iommu_secure_ptbl_size(u32 spare, size_t *size); + extern int qcom_scm_iommu_secure_ptbl_init(u64 addr, u32 size, u32 spare); ++extern s32 qcom_scm_pinmux_read(u32 arg1); ++extern s32 qcom_scm_pinmux_write(u32 arg1, u32 arg2); + #else + static inline + int qcom_scm_set_cold_boot_addr(void *entry, const cpumask_t *cpus) +@@ -73,5 +75,7 @@ + static inline int qcom_scm_restore_sec_cfg(u32 device_id, u32 spare) { return -ENODEV; } + static inline int qcom_scm_iommu_secure_ptbl_size(u32 spare, size_t *size) { return -ENODEV; } + static inline int qcom_scm_iommu_secure_ptbl_init(u64 addr, u32 size, u32 spare) { return -ENODEV; } ++extern s32 qcom_scm_pinmux_read(u32 arg1) { return -ENODEV; } ++extern s32 qcom_scm_pinmux_write(u32 arg1, u32 arg2) { return -ENODEV; } + #endif + #endif -- cgit v1.2.3