diff options
Diffstat (limited to 'meta-openbmc-mods/meta-ast2500/recipes-kernel')
8 files changed, 903 insertions, 0 deletions
diff --git a/meta-openbmc-mods/meta-ast2500/recipes-kernel/linux/linux-aspeed/0001-arm-dts-add-DTS-for-Intel-platforms.patch b/meta-openbmc-mods/meta-ast2500/recipes-kernel/linux/linux-aspeed/0001-arm-dts-add-DTS-for-Intel-platforms.patch new file mode 100644 index 000000000..88a9c5624 --- /dev/null +++ b/meta-openbmc-mods/meta-ast2500/recipes-kernel/linux/linux-aspeed/0001-arm-dts-add-DTS-for-Intel-platforms.patch @@ -0,0 +1,414 @@ +From fbbad6c3a18ec7f1e9d95c09e44e765de303329c Mon Sep 17 00:00:00 2001 +From: Yuan Li <yuan.li@linux.intel.com> +Date: Tue, 19 Sep 2017 15:55:39 +0800 +Subject: [PATCH] arm: dts: add DTS for Intel platforms + +Add the DTS file for Intel systems. + +Signed-off-by: Yuan Li <yuan.li@linux.intel.com> +Signed-off-by: Yong Li <yong.b.li@linux.intel.com> +Signed-off-by: James Feist <james.feist@linux.intel.com> +Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@intel.com> +Signed-off-by: Jason M. Bills <jason.m.bills@linux.intel.com> +--- + arch/arm/boot/dts/aspeed-bmc-intel-purley.dts | 388 ++++++++++++++++++++++++++ + 1 file changed, 388 insertions(+) + create mode 100644 arch/arm/boot/dts/aspeed-bmc-intel-purley.dts + +diff --git a/arch/arm/boot/dts/aspeed-bmc-intel-purley.dts b/arch/arm/boot/dts/aspeed-bmc-intel-purley.dts +new file mode 100644 +index 0000000..421699c +--- /dev/null ++++ b/arch/arm/boot/dts/aspeed-bmc-intel-purley.dts +@@ -0,0 +1,388 @@ ++/dts-v1/; ++ ++#include "aspeed-g5.dtsi" ++#include <dt-bindings/gpio/aspeed-gpio.h> ++#include <dt-bindings/i2c/i2c.h> ++ ++/ { ++ model = "Purley BMC"; ++ compatible = "intel,purley-bmc", "aspeed,ast2500"; ++ ++ aliases { ++ serial4 = &uart5; ++ }; ++ ++ chosen { ++ stdout-path = &uart5; ++ bootargs = "console=ttyS4,115200 earlyprintk"; ++ }; ++ ++ memory@80000000 { ++ reg = <0x80000000 0x20000000>; ++ }; ++ ++ reserved-memory { ++ #address-cells = <1>; ++ #size-cells = <1>; ++ ranges; ++ ++ vga_memory: framebuffer@7f000000 { ++ no-map; ++ reg = <0x7f000000 0x01000000>; ++ }; ++ ++ gfx_memory: framebuffer { ++ size = <0x01000000>; ++ alignment = <0x01000000>; ++ compatible = "shared-dma-pool"; ++ reusable; ++ }; ++ ++ video_engine_memory: jpegbuffer { ++ size = <0x02000000>; /* 32M */ ++ alignment = <0x01000000>; ++ compatible = "shared-dma-pool"; ++ reusable; ++ }; ++ }; ++ ++ vga-shared-memory { ++ compatible = "aspeed,ast2500-vga-sharedmem"; ++ reg = <0x9ff00000 0x100000>; ++ }; ++ ++ iio-hwmon { ++ compatible = "iio-hwmon"; ++ io-channels = <&adc 0>, <&adc 1>, <&adc 2>, <&adc 3>, ++ <&adc 4>, <&adc 5>, <&adc 6>, <&adc 7>, ++ <&adc 8>, <&adc 9>, <&adc 10>, <&adc 11>, ++ <&adc 12>, <&adc 13>, <&adc 14>, <&adc 15>; ++ }; ++ ++ leds { ++ compatible = "gpio-leds"; ++ ++ identify { ++ default-state = "off"; ++ gpios = <&gpio ASPEED_GPIO(S, 6) GPIO_ACTIVE_LOW>; ++ }; ++ ++ status_amber { ++ default-state = "off"; ++ gpios = <&gpio ASPEED_GPIO(S, 5) GPIO_ACTIVE_LOW>; ++ }; ++ ++ status_green { ++ default-state = "keep"; ++ gpios = <&gpio ASPEED_GPIO(S, 4) GPIO_ACTIVE_LOW>; ++ }; ++ }; ++ ++ beeper { ++ compatible = "pwm-beeper"; ++ pwms = <&timer 5 1000000 0>; ++ }; ++}; ++ ++&fmc { ++ status = "okay"; ++ flash@0 { ++ status = "okay"; ++ m25p,fast-read; ++#include "openbmc-flash-layout-intel-64MB.dtsi" ++ }; ++}; ++ ++&espi { ++ status = "okay"; ++}; ++ ++&jtag { ++ status = "okay"; ++}; ++ ++&peci0 { ++ status = "okay"; ++}; ++ ++&syscon { ++ uart-clock-high-speed; ++ status = "okay"; ++}; ++ ++&adc { ++ status = "okay"; ++}; ++ ++&gpio { ++ status = "okay"; ++ gpio-line-names = ++ /*A0-A7*/ "","","","","","","","", ++ /*B0-B7*/ "","","","","","","","", ++ /*C0-C7*/ "","","","","","","","", ++ /*D0-D7*/ "","","","","","","","", ++ /*E0-E7*/ "RESET_BUTTON","RESET_OUT","POWER_BUTTON","POWER_OUT","","","","", ++ /*F0-F7*/ "","","","","CPU_ERR0","CPU_ERR1","","", ++ /*G0-G7*/ "CPU_ERR2","CPU_CATERR","","","","","","", ++ /*H0-H7*/ "","","","","","","","", ++ /*I0-I7*/ "","","","","","","","", ++ /*J0-J7*/ "","","","","","","","", ++ /*K0-K7*/ "","","","","","","","", ++ /*L0-L7*/ "","","","","","","","", ++ /*M0-M7*/ "","","","","","","","", ++ /*N0-N7*/ "","","","","","","","", ++ /*O0-O7*/ "","","","","","","","", ++ /*P0-P7*/ "","","","","","","","", ++ /*Q0-Q7*/ "","","","","","","","", ++ /*R0-R7*/ "","","","","","","","", ++ /*S0-S7*/ "","","","","","","","", ++ /*T0-T7*/ "","","","","","","","", ++ /*U0-U7*/ "","","","","","","","", ++ /*V0-V7*/ "","","","","","","","", ++ /*W0-W7*/ "","","","","","","","", ++ /*X0-X7*/ "","","","","","","","", ++ /*Y0-Y7*/ "SIO_S3","SIO_S5","","SIO_ONCONTROL","","","","", ++ /*Z0-Z7*/ "","SIO_POWER_GOOD","","","","","","", ++ /*AA0-AA7*/ "","","","","","","","POST_COMPLETE", ++ /*AB0-AB7*/ "","NMI_BUTTON","ID_BUTTON","PS_PWROK","","","","", ++ /*AC0-AC7*/ "","","","","","","",""; ++}; ++ ++&kcs3 { ++ kcs_addr = <0xCA2>; ++ status = "okay"; ++}; ++ ++&kcs4 { ++ kcs_addr = <0xCA4>; ++ status = "okay"; ++}; ++ ++&lpc_sio { ++ status = "okay"; ++}; ++ ++&lpc_snoop { ++ snoop-ports = <0x80>; ++ status = "okay"; ++}; ++ ++&mbox { ++ status = "okay"; ++}; ++ ++/** ++ * SAFS through SPI1 is available only on Wilson Point. ++ * These pins are used as fan presence checking gpios in WFP ++ * so commenting it out for now. ++ * &spi1 { ++ * status = "okay"; ++ * ++ * flash@0 { ++ * m25p,fast-read; ++ * status = "okay"; ++ * }; ++ *}; ++ */ ++ ++&sgpio { ++ status = "okay"; ++}; ++ ++&uart1 { ++ status = "okay"; ++ pinctrl-names = "default"; ++ pinctrl-0 = <&pinctrl_txd1_default ++ &pinctrl_rxd1_default ++ &pinctrl_nrts1_default ++ &pinctrl_ndtr1_default ++ &pinctrl_ndsr1_default ++ &pinctrl_ncts1_default ++ &pinctrl_ndcd1_default ++ &pinctrl_nri1_default>; ++}; ++ ++&uart2 { ++ status = "okay"; ++ pinctrl-names = "default"; ++ pinctrl-0 = <&pinctrl_txd2_default ++ &pinctrl_rxd2_default ++ &pinctrl_nrts2_default ++ &pinctrl_ndtr2_default ++ &pinctrl_ndsr2_default ++ &pinctrl_ncts2_default ++ &pinctrl_ndcd2_default ++ &pinctrl_nri2_default>; ++}; ++ ++&uart3 { ++ status = "okay"; ++}; ++ ++&uart4 { ++ status = "okay"; ++ pinctrl-names = "default"; ++ pinctrl-0 = <>; ++}; ++ ++&uart5 { ++ status = "okay"; ++}; ++ ++&mac1 { ++ status = "okay"; ++ ++ pinctrl-names = "default"; ++ pinctrl-0 = <&pinctrl_rgmii2_default &pinctrl_mdio2_default>; ++}; ++ ++&mac0 { ++ status = "okay"; ++ use-ncsi; ++ ++ pinctrl-names = "default"; ++ pinctrl-0 = <&pinctrl_rmii1_default>; ++}; ++ ++&i2c0 { ++ multi-master; ++ general-call; ++ status = "okay"; ++ ++ ipmb0@10 { ++ compatible = "slave-mqueue"; ++ reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>; ++ }; ++}; ++ ++&i2c1 { ++ multi-master; ++ status = "okay"; ++}; ++ ++&i2c2 { ++ multi-master; ++ status = "okay"; ++}; ++ ++&i2c3 { ++ multi-master; ++ status = "okay"; ++}; ++ ++&i2c4 { ++ multi-master; ++ status = "okay"; ++ ++ hsbp0@10 { ++ compatible = "slave-mqueue"; ++ reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>; ++ }; ++}; ++ ++&i2c5 { ++ bus-frequency = <1000000>; ++ multi-master; ++ status = "okay"; ++ ++ smlink0@10 { ++ compatible = "slave-mqueue"; ++ reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>; ++ }; ++}; ++ ++&i2c6 { ++ multi-master; ++ status = "okay"; ++}; ++ ++&i2c7 { ++ multi-master; ++ #retries = <3>; ++ status = "okay"; ++}; ++ ++&i2c9 { ++ multi-master; ++ status = "okay"; ++}; ++ ++&i2c13 { ++ multi-master; ++ status = "okay"; ++}; ++ ++&gfx { ++ status = "okay"; ++ memory-region = <&gfx_memory>; ++}; ++ ++&vuart { ++ status = "okay"; ++}; ++ ++&pwm_tacho { ++ status = "okay"; ++ pinctrl-names = "default"; ++ pinctrl-0 = <&pinctrl_pwm0_default &pinctrl_pwm1_default ++ &pinctrl_pwm2_default &pinctrl_pwm3_default ++ &pinctrl_pwm4_default &pinctrl_pwm5_default ++ &pinctrl_pwm6_default &pinctrl_pwm7_default>; ++ ++ fan@0 { ++ reg = <0x00>; ++ aspeed,fan-tach-ch = /bits/ 8 <0x00 0x01>; ++ }; ++ fan@1 { ++ reg = <0x01>; ++ aspeed,fan-tach-ch = /bits/ 8 <0x02 0x03>; ++ }; ++ fan@2 { ++ reg = <0x02>; ++ aspeed,fan-tach-ch = /bits/ 8 <0x04 0x05>; ++ }; ++ fan@3 { ++ reg = <0x03>; ++ aspeed,fan-tach-ch = /bits/ 8 <0x06 0x07>; ++ }; ++ fan@4 { ++ reg = <0x04>; ++ aspeed,fan-tach-ch = /bits/ 8 <0x08 0x09>; ++ }; ++ fan@5 { ++ reg = <0x05>; ++ aspeed,fan-tach-ch = /bits/ 8 <0x0A 0x0B>; ++ }; ++ fan@6 { ++ reg = <0x06>; ++ aspeed,fan-tach-ch = /bits/ 8 <0x0C 0x0D>; ++ }; ++ fan@7 { ++ reg = <0x07>; ++ aspeed,fan-tach-ch = /bits/ 8 <0x0E 0x0F>; ++ }; ++ ++}; ++ ++&timer { ++/* ++ * Available settings: ++ * fttmr010,pwm-outputs = <5>, <6>, <7>, <8>; ++ * pinctrl-0 = <&pinctrl_timer5_default &pinctrl_timer6_default ++ * &pinctrl_timer7_default &pinctrl_timer8_default>; ++ */ ++ fttmr010,pwm-outputs = <5>; ++ pinctrl-names = "default"; ++ pinctrl-0 = <&pinctrl_timer5_default>; ++ #pwm-cells = <3>; ++ status = "okay"; ++}; ++ ++&video { ++ status = "okay"; ++ memory-region = <&video_engine_memory>; ++}; ++ ++&vhub { ++ status = "okay"; ++}; +-- +2.7.4 + diff --git a/meta-openbmc-mods/meta-ast2500/recipes-kernel/linux/linux-aspeed/0002-Enable-pass-through-on-GPIOE1-and-GPIOE3-free.patch b/meta-openbmc-mods/meta-ast2500/recipes-kernel/linux/linux-aspeed/0002-Enable-pass-through-on-GPIOE1-and-GPIOE3-free.patch new file mode 100644 index 000000000..b05ad2502 --- /dev/null +++ b/meta-openbmc-mods/meta-ast2500/recipes-kernel/linux/linux-aspeed/0002-Enable-pass-through-on-GPIOE1-and-GPIOE3-free.patch @@ -0,0 +1,121 @@ +From 9537923d6e6a793cb2bf3c1daacd12562263bc0a Mon Sep 17 00:00:00 2001 +From: "Jason M. Bills" <jason.m.bills@linux.intel.com> +Date: Fri, 3 May 2019 16:12:39 -0700 +Subject: [PATCH] Enable pass-through on GPIOE1 and GPIOE3 free + +This change adds a gpio_disable_free() implementation that checks +if the GPIO being freed is GPIOE1 (33) or GPIOE3 (35) and will +re-enable the pass-through mux. + +Tested: +Requested GPIOs 33 and 35 and used devmem to check that pass-through +was disabled. Then freed them and checked that pass-through was +enabled again. + +Signed-off-by: Jason M. Bills <jason.m.bills@linux.intel.com> +--- + drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c | 1 + + drivers/pinctrl/aspeed/pinctrl-aspeed.c | 60 ++++++++++++++++++++++++++++++ + drivers/pinctrl/aspeed/pinctrl-aspeed.h | 3 ++ + 3 files changed, 64 insertions(+) + +diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c b/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c +index 187abd7..beb0729 100644 +--- a/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c ++++ b/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c +@@ -2498,6 +2498,7 @@ static const struct pinmux_ops aspeed_g5_pinmux_ops = { + .get_function_groups = aspeed_pinmux_get_fn_groups, + .set_mux = aspeed_pinmux_set_mux, + .gpio_request_enable = aspeed_gpio_request_enable, ++ .gpio_disable_free = aspeed_gpio_disable_free, + .strict = true, + }; + +diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed.c b/drivers/pinctrl/aspeed/pinctrl-aspeed.c +index eb87ab7..f06d752 100644 +--- a/drivers/pinctrl/aspeed/pinctrl-aspeed.c ++++ b/drivers/pinctrl/aspeed/pinctrl-aspeed.c +@@ -538,6 +538,66 @@ int aspeed_gpio_request_enable(struct pinctrl_dev *pctldev, + return aspeed_sig_expr_enable(expr, pdata->maps); + } + ++void aspeed_gpio_disable_free(struct pinctrl_dev *pctldev, ++ struct pinctrl_gpio_range *range, ++ unsigned int offset) ++{ ++ const struct aspeed_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev); ++ const struct aspeed_pin_desc *pdesc = pdata->pins[offset].drv_data; ++ const struct aspeed_sig_expr ***prios, **funcs, *expr; ++ int ret; ++ ++ /* ++ * If we're freeing GPIOE1 (33) or GPIOE3 (35) then re-enable the ++ * pass-through mux setting; otherwise, do nothing. ++ */ ++ if (offset != 33 && offset != 35) ++ return; ++ ++ dev_dbg(pctldev->dev, ++ "Freeing pass-through pin %s (%d). Re-enabling pass-through.\n", ++ pdesc->name, offset); ++ ++ if (!pdesc) ++ return; ++ ++ prios = pdesc->prios; ++ ++ if (!prios) ++ return; ++ ++ /* Disable any functions of higher priority than GPIO just in case */ ++ while (funcs = *prios) { ++ if (aspeed_gpio_in_exprs(funcs)) ++ break; ++ ++ ret = aspeed_disable_sig(funcs, pdata->maps); ++ if (ret) ++ return; ++ ++ prios++; ++ } ++ ++ if (!funcs) { ++ char *signals = get_defined_signals(pdesc); ++ ++ pr_warn("No GPIO signal type found on pin %s (%d). Found: %s\n", ++ pdesc->name, offset, signals); ++ kfree(signals); ++ ++ return; ++ } ++ ++ /* ++ * Pass-through should be one priority higher than the GPIO function, ++ * so decrement our prios and enable that function ++ */ ++ prios--; ++ funcs = *prios; ++ expr = *funcs; ++ aspeed_sig_expr_enable(expr, pdata->maps); ++} ++ + int aspeed_pinctrl_probe(struct platform_device *pdev, + struct pinctrl_desc *pdesc, + struct aspeed_pinctrl_data *pdata) +diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed.h b/drivers/pinctrl/aspeed/pinctrl-aspeed.h +index d4d7f03..0037b11 100644 +--- a/drivers/pinctrl/aspeed/pinctrl-aspeed.h ++++ b/drivers/pinctrl/aspeed/pinctrl-aspeed.h +@@ -595,6 +595,9 @@ int aspeed_pinmux_set_mux(struct pinctrl_dev *pctldev, unsigned int function, + int aspeed_gpio_request_enable(struct pinctrl_dev *pctldev, + struct pinctrl_gpio_range *range, + unsigned int offset); ++void aspeed_gpio_disable_free(struct pinctrl_dev *pctldev, ++ struct pinctrl_gpio_range *range, ++ unsigned int offset); + int aspeed_pinctrl_probe(struct platform_device *pdev, + struct pinctrl_desc *pdesc, + struct aspeed_pinctrl_data *pdata); +-- +2.7.4 + diff --git a/meta-openbmc-mods/meta-ast2500/recipes-kernel/linux/linux-aspeed/0003-Enable-GPIOE0-and-GPIOE2-pass-through-by-default.patch b/meta-openbmc-mods/meta-ast2500/recipes-kernel/linux/linux-aspeed/0003-Enable-GPIOE0-and-GPIOE2-pass-through-by-default.patch new file mode 100644 index 000000000..1d26b9667 --- /dev/null +++ b/meta-openbmc-mods/meta-ast2500/recipes-kernel/linux/linux-aspeed/0003-Enable-GPIOE0-and-GPIOE2-pass-through-by-default.patch @@ -0,0 +1,70 @@ +From d26dd7c4ef1a2cb88440420deccc54eb88129c60 Mon Sep 17 00:00:00 2001 +From: "Jason M. Bills" <jason.m.bills@linux.intel.com> +Date: Mon, 6 May 2019 14:18:27 -0700 +Subject: [PATCH] Enable GPIOE0 and GPIOE2 pass-through by default + +This change sets the gpio DT pinctrl default configuration to +enable GPIOE0 and GPIOE2 pass-through. Since this causes +pinctrl_get_select_default() to be called automatically for +the gpio driver to claim the GPIO pins in those groups, we +also need to call pinctrl_put() to release claim on the +pass-through GPIOs so they can be requested at runtime. + +Tested: +Disabled pass-through in uboot and confirmed that after booting +Linux, pass-through is enabled and 'cat /sys/kernel/debug/pinctrl/ +1e6e2000.syscon\:pinctrl-aspeed-g5-pinctrl/pinmux-pins' shows that +the pass-through GPIOs are UNCLAIMED. + +Signed-off-by: Jason M. Bills <jason.m.bills@linux.intel.com> +--- + arch/arm/boot/dts/aspeed-bmc-intel-purley.dts | 4 ++++ + drivers/gpio/gpio-aspeed.c | 10 ++++++++++ + 2 files changed, 14 insertions(+) + +diff --git a/arch/arm/boot/dts/aspeed-bmc-intel-purley.dts b/arch/arm/boot/dts/aspeed-bmc-intel-purley.dts +index 45556ac..051e927 100644 +--- a/arch/arm/boot/dts/aspeed-bmc-intel-purley.dts ++++ b/arch/arm/boot/dts/aspeed-bmc-intel-purley.dts +@@ -124,6 +124,10 @@ + + &gpio { + status = "okay"; ++ /* Enable GPIOE0 and GPIOE2 pass-through by default */ ++ pinctrl-names = "pass-through"; ++ pinctrl-0 = <&pinctrl_gpie0_default ++ &pinctrl_gpie2_default>; + gpio-line-names = + /*A0-A8*/ "","","","","","","","", + /*B0-B8*/ "","","","","","","","", +diff --git a/drivers/gpio/gpio-aspeed.c b/drivers/gpio/gpio-aspeed.c +index 2175070..f47d139 100644 +--- a/drivers/gpio/gpio-aspeed.c ++++ b/drivers/gpio/gpio-aspeed.c +@@ -1157,6 +1157,7 @@ static int __init aspeed_gpio_probe(struct platform_device *pdev) + const struct of_device_id *gpio_id; + struct aspeed_gpio *gpio; + struct resource *res; ++ struct pinctrl *pinctrl; + int rc, i, banks; + + gpio = devm_kzalloc(&pdev->dev, sizeof(*gpio), GFP_KERNEL); +@@ -1205,6 +1206,15 @@ static int __init aspeed_gpio_probe(struct platform_device *pdev) + return -ENOMEM; + + /* ++ * Select the pass-through pinctrl config to enable the pass-through ++ * mux for GPIOs E0 and E2. Then call pinctrl_put() to release claim ++ * of the GPIO pins, so they can be requested at runtime. ++ */ ++ pinctrl = pinctrl_get_select(&pdev->dev, "pass-through"); ++ if (pinctrl) ++ pinctrl_put(pinctrl); ++ ++ /* + * Populate it with initial values read from the HW and switch + * all command sources to the ARM by default + */ +-- +2.7.4 + diff --git a/meta-openbmc-mods/meta-ast2500/recipes-kernel/linux/linux-aspeed/0004-Test-code-for-LPC-MBOX.patch b/meta-openbmc-mods/meta-ast2500/recipes-kernel/linux/linux-aspeed/0004-Test-code-for-LPC-MBOX.patch new file mode 100644 index 000000000..dbb163d20 --- /dev/null +++ b/meta-openbmc-mods/meta-ast2500/recipes-kernel/linux/linux-aspeed/0004-Test-code-for-LPC-MBOX.patch @@ -0,0 +1,112 @@ +From 2f3587cf9e44f261fe74413ef6a54467686c910b Mon Sep 17 00:00:00 2001 +From: Jae Hyun Yoo <jae.hyun.yoo@intel.com> +Date: Tue, 20 Nov 2018 15:49:15 -0800 +Subject: [PATCH] Test code for LPC MBOX + +Blocked interrupt driven code for test. + +Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@intel.com> +--- + drivers/misc/aspeed-lpc-mbox.c | 21 ++++++++++++++++++++- + 1 file changed, 20 insertions(+), 1 deletion(-) + +diff --git a/drivers/misc/aspeed-lpc-mbox.c b/drivers/misc/aspeed-lpc-mbox.c +index 0f0c711bafee..0933e0553953 100644 +--- a/drivers/misc/aspeed-lpc-mbox.c ++++ b/drivers/misc/aspeed-lpc-mbox.c +@@ -19,6 +19,8 @@ + + #define DEVICE_NAME "aspeed-mbox" + ++#define MBX_USE_INTERRUPT 0 ++ + #define ASPEED_MBOX_NUM_REGS 16 + + #define ASPEED_MBOX_DATA_0 0x00 +@@ -79,12 +81,14 @@ static int aspeed_mbox_open(struct inode *inode, struct file *file) + struct aspeed_mbox *mbox = file_mbox(file); + + if (atomic_inc_return(&aspeed_mbox_open_count) == 1) { ++#if MBX_USE_INTERRUPT + /* + * Clear the interrupt status bit if it was left on and unmask + * interrupts. + * ASPEED_MBOX_CTRL_RECV bit is W1C, this also unmasks in 1 step + */ + aspeed_mbox_outb(mbox, ASPEED_MBOX_CTRL_RECV, ASPEED_MBOX_BMC_CTRL); ++#endif + return 0; + } + +@@ -106,6 +110,7 @@ static ssize_t aspeed_mbox_read(struct file *file, char __user *buf, + if (count + *ppos > ASPEED_MBOX_NUM_REGS) + return -EINVAL; + ++#if MBX_USE_INTERRUPT + if (file->f_flags & O_NONBLOCK) { + if (!(aspeed_mbox_inb(mbox, ASPEED_MBOX_BMC_CTRL) & + ASPEED_MBOX_CTRL_RECV)) +@@ -115,6 +120,7 @@ static ssize_t aspeed_mbox_read(struct file *file, char __user *buf, + ASPEED_MBOX_CTRL_RECV)) { + return -ERESTARTSYS; + } ++#endif + + mutex_lock(&mbox->mutex); + +@@ -129,8 +135,10 @@ static ssize_t aspeed_mbox_read(struct file *file, char __user *buf, + count--; + } + ++#if MBX_USE_INTERRUPT + /* ASPEED_MBOX_CTRL_RECV bit is write to clear, this also unmasks in 1 step */ + aspeed_mbox_outb(mbox, ASPEED_MBOX_CTRL_RECV, ASPEED_MBOX_BMC_CTRL); ++#endif + ret = p - buf; + + out_unlock: +@@ -180,7 +188,9 @@ static unsigned int aspeed_mbox_poll(struct file *file, poll_table *wait) + + poll_wait(file, &mbox->queue, wait); + ++#if MBX_USE_INTERRUPT + if (aspeed_mbox_inb(mbox, ASPEED_MBOX_BMC_CTRL) & ASPEED_MBOX_CTRL_RECV) ++#endif + mask |= POLLIN; + + return mask; +@@ -206,6 +216,7 @@ static irqreturn_t aspeed_mbox_irq(int irq, void *arg) + { + struct aspeed_mbox *mbox = arg; + ++#if MBX_USE_INTERRUPT + if (!(aspeed_mbox_inb(mbox, ASPEED_MBOX_BMC_CTRL) & ASPEED_MBOX_CTRL_RECV)) + return IRQ_NONE; + +@@ -216,6 +227,7 @@ static irqreturn_t aspeed_mbox_irq(int irq, void *arg) + + /* Mask it off, we'll clear it when we the data gets read */ + aspeed_mbox_outb(mbox, ASPEED_MBOX_CTRL_MASK, ASPEED_MBOX_BMC_CTRL); ++#endif + + wake_up(&mbox->queue); + return IRQ_HANDLED; +@@ -248,7 +260,14 @@ static int aspeed_mbox_config_irq(struct aspeed_mbox *mbox, + aspeed_mbox_outb(mbox, 0xff, ASPEED_MBOX_STATUS_0); + aspeed_mbox_outb(mbox, 0xff, ASPEED_MBOX_STATUS_1); + +- aspeed_mbox_outb(mbox, ASPEED_MBOX_CTRL_RECV, ASPEED_MBOX_BMC_CTRL); ++ aspeed_mbox_outb(mbox, aspeed_mbox_inb(mbox, ASPEED_MBOX_BMC_CTRL) | ASPEED_MBOX_CTRL_MASK, ASPEED_MBOX_BMC_CTRL); ++ ++ /* ++ * Because mailbox data register init value is random, need to give a ++ * init value to mailbox data register. ++ */ ++ aspeed_mbox_outb(mbox, 0x00, ASPEED_MBOX_DATA_0); ++ + return 0; + } + +-- +2.7.4 + diff --git a/meta-openbmc-mods/meta-ast2500/recipes-kernel/linux/linux-aspeed/0005-128MB-flashmap-for-PFR.patch b/meta-openbmc-mods/meta-ast2500/recipes-kernel/linux/linux-aspeed/0005-128MB-flashmap-for-PFR.patch new file mode 100644 index 000000000..03b4f4da4 --- /dev/null +++ b/meta-openbmc-mods/meta-ast2500/recipes-kernel/linux/linux-aspeed/0005-128MB-flashmap-for-PFR.patch @@ -0,0 +1,30 @@ +From ddfbe1364c6ecf77f06990e6550dfe5a3791e6bf Mon Sep 17 00:00:00 2001 +From: Vikram Bodireddy <vikram.bodireddy@intel.com> +Date: Wed, 6 Feb 2019 15:59:34 +0530 +Subject: [PATCH] Selecting 128MB for PFR + +PFR platforms requires 128MB flash mapping. +This will override the existing 64MB flash map +and loads 128MB flash map. + +Signed-off-by: Vikram Bodireddy <vikram.bodireddy@intel.com> +--- + arch/arm/boot/dts/aspeed-bmc-intel-purley.dts | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/arch/arm/boot/dts/aspeed-bmc-intel-purley.dts b/arch/arm/boot/dts/aspeed-bmc-intel-purley.dts +index 8aba46cdce46..6959a06d04e2 100644 +--- a/arch/arm/boot/dts/aspeed-bmc-intel-purley.dts ++++ b/arch/arm/boot/dts/aspeed-bmc-intel-purley.dts +@@ -90,7 +90,7 @@ + flash@0 { + status = "okay"; + m25p,fast-read; +-#include "openbmc-flash-layout-intel-64MB.dtsi" ++#include "openbmc-flash-layout-intel-128MB.dtsi" + }; + }; + +-- +2.7.4 + diff --git a/meta-openbmc-mods/meta-ast2500/recipes-kernel/linux/linux-aspeed/0006-Allow-monitoring-of-power-control-input-GPIOs.patch b/meta-openbmc-mods/meta-ast2500/recipes-kernel/linux/linux-aspeed/0006-Allow-monitoring-of-power-control-input-GPIOs.patch new file mode 100644 index 000000000..d3b850efe --- /dev/null +++ b/meta-openbmc-mods/meta-ast2500/recipes-kernel/linux/linux-aspeed/0006-Allow-monitoring-of-power-control-input-GPIOs.patch @@ -0,0 +1,80 @@ +From 2e834ae04eba975066f80102c6f4656da314ca1e Mon Sep 17 00:00:00 2001 +From: "Jason M. Bills" <jason.m.bills@linux.intel.com> +Date: Fri, 24 May 2019 12:42:59 -0700 +Subject: [PATCH] Allow monitoring of power control input GPIOs + +The pass-through input GPIOs cannot be monitored because when +requested, pass-through is disabled which causes a change on the +pass-through output. + +The SIO GPIOs cannot be monitored because when requested, the +request is rejected based on the value of the ACPI strap. + +This change removes the register check condition from the pass- +through and desired SIO GPIOs so they can be requsted and +monitored from power control. + +Tested: +For pass-through, I used gpioset to hold a request on the input +GPIOs and confirmed that pass-through remained enabled. + +For SIO, I used gpioget to confirm that I can successfully request +and read the GPIO value. + +Signed-off-by: Jason M. Bills <jason.m.bills@linux.intel.com> +--- + drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c | 10 +++++----- + 1 file changed, 5 insertions(+), 5 deletions(-) + +diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c b/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c +index beb0729..05d1081 100644 +--- a/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c ++++ b/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c +@@ -250,7 +250,7 @@ FUNC_GROUP_DECL(SD2, F19, E21, F20, D20, D21, E20, G18, C21); + + #define B20 32 + SIG_EXPR_LIST_DECL_SINGLE(NCTS3, NCTS3, SIG_DESC_SET(SCU80, 16)); +-SIG_EXPR_DECL(GPIE0IN, GPIE0, GPIE0_DESC); ++SIG_EXPR_DECL(GPIE0IN, GPIE0); + SIG_EXPR_DECL(GPIE0IN, GPIE, GPIE_DESC); + SIG_EXPR_LIST_DECL_DUAL(GPIE0IN, GPIE0, GPIE); + MS_PIN_DECL(B20, GPIOE0, NCTS3, GPIE0IN); +@@ -270,7 +270,7 @@ FUNC_GROUP_DECL(GPIE0, B20, C20); + + #define F18 34 + SIG_EXPR_LIST_DECL_SINGLE(NDSR3, NDSR3, SIG_DESC_SET(SCU80, 18)); +-SIG_EXPR_DECL(GPIE2IN, GPIE2, GPIE2_DESC); ++SIG_EXPR_DECL(GPIE2IN, GPIE2); + SIG_EXPR_DECL(GPIE2IN, GPIE, GPIE_DESC); + SIG_EXPR_LIST_DECL_DUAL(GPIE2IN, GPIE2, GPIE); + MS_PIN_DECL(F18, GPIOE2, NDSR3, GPIE2IN); +@@ -1349,7 +1349,7 @@ FUNC_GROUP_DECL(ADC15, H4); + + #define R22 192 + SIG_EXPR_DECL(SIOS3, SIOS3, SIG_DESC_SET(SCUA4, 8)); +-SIG_EXPR_DECL(SIOS3, ACPI, ACPI_DESC); ++SIG_EXPR_DECL(SIOS3, ACPI); + SIG_EXPR_LIST_DECL_DUAL(SIOS3, SIOS3, ACPI); + SIG_EXPR_LIST_DECL_SINGLE(DASHR22, DASHR22, SIG_DESC_SET(SCU94, 10)); + MS_PIN_DECL(R22, GPIOY0, SIOS3, DASHR22); +@@ -1357,7 +1357,7 @@ FUNC_GROUP_DECL(SIOS3, R22); + + #define R21 193 + SIG_EXPR_DECL(SIOS5, SIOS5, SIG_DESC_SET(SCUA4, 9)); +-SIG_EXPR_DECL(SIOS5, ACPI, ACPI_DESC); ++SIG_EXPR_DECL(SIOS5, ACPI); + SIG_EXPR_LIST_DECL_DUAL(SIOS5, SIOS5, ACPI); + SIG_EXPR_LIST_DECL_SINGLE(DASHR21, DASHR21, SIG_DESC_SET(SCU94, 10)); + MS_PIN_DECL(R21, GPIOY1, SIOS5, DASHR21); +@@ -1373,7 +1373,7 @@ FUNC_GROUP_DECL(SIOPWREQ, P22); + + #define P21 195 + SIG_EXPR_DECL(SIOONCTRL, SIOONCTRL, SIG_DESC_SET(SCUA4, 11)); +-SIG_EXPR_DECL(SIOONCTRL, ACPI, ACPI_DESC); ++SIG_EXPR_DECL(SIOONCTRL, ACPI); + SIG_EXPR_LIST_DECL_DUAL(SIOONCTRL, SIOONCTRL, ACPI); + SIG_EXPR_LIST_DECL_SINGLE(DASHP21, DASHP21, SIG_DESC_SET(SCU94, 11)); + MS_PIN_DECL(P21, GPIOY3, SIOONCTRL, DASHP21); +-- +2.7.4 + diff --git a/meta-openbmc-mods/meta-ast2500/recipes-kernel/linux/linux-aspeed/intel-ast2500.cfg b/meta-openbmc-mods/meta-ast2500/recipes-kernel/linux/linux-aspeed/intel-ast2500.cfg new file mode 100644 index 000000000..155ba3ae4 --- /dev/null +++ b/meta-openbmc-mods/meta-ast2500/recipes-kernel/linux/linux-aspeed/intel-ast2500.cfg @@ -0,0 +1,67 @@ +CONFIG_HWMON=y +CONFIG_SENSORS_ASPEED=y +CONFIG_SPI=y +CONFIG_SPI_MASTER=y +CONFIG_IIO=y +CONFIG_SENSORS_IIO_HWMON=y +CONFIG_ASPEED_ADC=y +CONFIG_SGPIO_ASPEED=y +CONFIG_CRC8=y +CONFIG_PECI=y +CONFIG_PECI_CHARDEV=y +CONFIG_PECI_ASPEED=y +CONFIG_SENSORS_PECI_CPUTEMP=y +CONFIG_SENSORS_PECI_DIMMTEMP=y +CONFIG_OF_CONFIGFS=y +CONFIG_CONFIGFS_FS=y +CONFIG_BLK_DEV_RAM_SIZE=49152 +CONFIG_MAGIC_SYSRQ=y +CONFIG_MAGIC_SYSRQ_DEFAULT_ENABLE=0x01 +CONFIG_MAGIC_SYSRQ_SERIAL=y +CONFIG_ASPEED_ESPI_SLAVE=y +CONFIG_ASPEED_KCS_IPMI_BMC=y +CONFIG_I2C_SLAVE=y +CONFIG_I2C_SLAVE_EEPROM=n +CONFIG_I2C_SLAVE_MQUEUE=y +CONFIG_I2C_SLAVE_MQUEUE_MESSAGE_SIZE=256 +CONFIG_I2C_SLAVE_MQUEUE_QUEUE_SIZE=32 +CONFIG_ASPEED_LPC_SIO=y +CONFIG_JTAG=y +CONFIG_JTAG_ASPEED=y +CONFIG_FRAME_VECTOR=y +CONFIG_MEDIA_SUPPORT=y +CONFIG_MEDIA_CAMERA_SUPPORT=y +CONFIG_VIDEO_DEV=y +CONFIG_VIDEO_V4L2=y +CONFIG_V4L_PLATFORM_DRIVERS=y +CONFIG_VIDEO_ASPEED=y +CONFIG_VIDEOBUF2_CORE=y +CONFIG_VIDEOBUF2_V4L2=y +CONFIG_VIDEOBUF2_MEMOPS=y +CONFIG_VIDEOBUF2_DMA_CONTIG=y +CONFIG_MEDIA_SUBDRV_AUTOSELECT=y +CONFIG_USB_GADGET_VBUS_DRAW=2 +CONFIG_USB_GADGET_STORAGE_NUM_BUFFERS=2 +CONFIG_USB_LIBCOMPOSITE=y +CONFIG_USB_F_HID=y +CONFIG_USB_GADGET=y +CONFIG_U_SERIAL_CONSOLE=y +CONFIG_USB_ASPEED_VHUB=y +CONFIG_USB_CONFIGFS=y +CONFIG_USB_CONFIGFS_MASS_STORAGE=y +CONFIG_USB_CONFIGFS_F_FS=y +CONFIG_USB_CONFIGFS_F_HID=y +CONFIG_ASPEED_UART_ROUTING=y +CONFIG_ASPEED_VGA_SHAREDMEM=y +CONFIG_PWM=y +CONFIG_PWM_FTTMR010=y +CONFIG_INPUT_MISC=y +CONFIG_INPUT_PWM_BEEPER=y +CONFIG_VFAT_FS=y +CONFIG_NLS=y +CONFIG_NLS_CODEPAGE_437=y +CONFIG_NLS_ASCII=y +CONFIG_NLS_ISO8859_1=y +CONFIG_NLS_ISO8859_15=y +CONFIG_NLS_UTF8=y + diff --git a/meta-openbmc-mods/meta-ast2500/recipes-kernel/linux/linux-aspeed_%.bbappend b/meta-openbmc-mods/meta-ast2500/recipes-kernel/linux/linux-aspeed_%.bbappend new file mode 100644 index 000000000..0ba716442 --- /dev/null +++ b/meta-openbmc-mods/meta-ast2500/recipes-kernel/linux/linux-aspeed_%.bbappend @@ -0,0 +1,9 @@ +FILESEXTRAPATHS_prepend := "${THISDIR}/linux-aspeed:" +SRC_URI += "file://intel-ast2500.cfg \ + file://0001-arm-dts-add-DTS-for-Intel-platforms.patch \ + file://0002-Enable-pass-through-on-GPIOE1-and-GPIOE3-free.patch \ + file://0003-Enable-GPIOE0-and-GPIOE2-pass-through-by-default.patch \ + file://0004-Test-code-for-LPC-MBOX.patch \ + file://0006-Allow-monitoring-of-power-control-input-GPIOs.patch \ + " +SRC_URI += "${@bb.utils.contains('IMAGE_TYPE', 'pfr', 'file://0005-128MB-flashmap-for-PFR.patch', '', d)}" |