diff options
Diffstat (limited to 'meta-openbmc-mods/meta-ast2600/recipes-bsp/u-boot/files/0024-fix-SUS_WARN-handling-logic.patch')
| -rw-r--r-- | meta-openbmc-mods/meta-ast2600/recipes-bsp/u-boot/files/0024-fix-SUS_WARN-handling-logic.patch | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/meta-openbmc-mods/meta-ast2600/recipes-bsp/u-boot/files/0024-fix-SUS_WARN-handling-logic.patch b/meta-openbmc-mods/meta-ast2600/recipes-bsp/u-boot/files/0024-fix-SUS_WARN-handling-logic.patch new file mode 100644 index 000000000..e8562a184 --- /dev/null +++ b/meta-openbmc-mods/meta-ast2600/recipes-bsp/u-boot/files/0024-fix-SUS_WARN-handling-logic.patch @@ -0,0 +1,128 @@ +From e9a8a79453e23c86e7b086b1e752876c99bcf0b3 Mon Sep 17 00:00:00 2001 +From: Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com> +Date: Tue, 20 Oct 2020 15:49:26 -0700 +Subject: [PATCH] fix SUS_WARN handling logic + +This commit fixes SUS_WARN handling as dual-edge detection mode +to support deepsx entry event properly. + +Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com> +--- + board/aspeed/ast2600_intel/ast-espi.c | 62 ++++++++++++++------------- + 1 file changed, 32 insertions(+), 30 deletions(-) + +diff --git a/board/aspeed/ast2600_intel/ast-espi.c b/board/aspeed/ast2600_intel/ast-espi.c +index a8b389f159ef..51fcc836cc6a 100644 +--- a/board/aspeed/ast2600_intel/ast-espi.c ++++ b/board/aspeed/ast2600_intel/ast-espi.c +@@ -148,9 +148,9 @@ static void espi_irq_handler(void *cookie) + { + uint32_t irq_status = readl(AST_ESPI_BASE + ESPI008); + +- DBG_ESPI("espi_irq_handler, ESPI008=0X%x, ESPI00c=0X%x,\ +- ESPI100=0X%x, ESPI11c=0X%x, ESPI094=0X%x,\ +- ESPI12c=0X%x, irq_status=0x%x\n", ++ DBG_ESPI("espi_irq_handler, ESPI008=0X%x, ESPI00c=0X%x, " ++ "ESPI100=0X%x, ESPI11c=0X%x, ESPI094=0X%x, " ++ "ESPI12c=0X%x, irq_status=0x%x\n", + readl(AST_ESPI_BASE + ESPI008), + readl(AST_ESPI_BASE + ESPI00C), + readl(AST_ESPI_BASE + ESPI100), +@@ -165,21 +165,23 @@ static void espi_irq_handler(void *cookie) + DBG_ESPI("sys_status : 0x%08X\n", sys_status); + if (sys_status & AST_ESPI_HOST_RST_WARN) { + DBG_ESPI("HOST_RST_WARN evt: 0x%08X\n", sys_event); +- if (sys_event & AST_ESPI_HOST_RST_WARN) { +- uint32_t v = readl(AST_ESPI_BASE + ESPI098) | +- AST_ESPI_HOST_RST_ACK; +- writel(v, AST_ESPI_BASE + ESPI098); +- DBG_ESPI("HOST_RST_WARN sent ack\n"); +- } ++ uint32_t v = readl(AST_ESPI_BASE + ESPI098); ++ if (sys_event & AST_ESPI_HOST_RST_WARN) ++ v |= AST_ESPI_HOST_RST_ACK; ++ else ++ v &= ~AST_ESPI_HOST_RST_ACK; ++ writel(v, AST_ESPI_BASE + ESPI098); ++ DBG_ESPI("HOST_RST_WARN sent ack\n"); + } + if (sys_status & AST_ESPI_OOB_RST_WARN) { + DBG_ESPI("OOB_RST_WARN evt: 0x%08X\n", sys_event); +- if (sys_event & AST_ESPI_OOB_RST_WARN) { +- uint32_t v = readl(AST_ESPI_BASE + ESPI098) | +- AST_ESPI_OOB_RST_ACK; +- writel(v, AST_ESPI_BASE + ESPI098); +- DBG_ESPI("OOB_RST_WARN sent ack\n"); +- } ++ uint32_t v = readl(AST_ESPI_BASE + ESPI098); ++ if (sys_event & AST_ESPI_OOB_RST_WARN) ++ v |= AST_ESPI_OOB_RST_ACK; ++ else ++ v &= ~AST_ESPI_OOB_RST_ACK; ++ writel(v, AST_ESPI_BASE + ESPI098); ++ DBG_ESPI("OOB_RST_WARN sent ack\n"); + } + if (sys_status & AST_ESPI_PLTRSTN) { + DBG_ESPI("PLTRSTN: %c, evt: 0x%08X\n", +@@ -196,12 +198,13 @@ static void espi_irq_handler(void *cookie) + DBG_ESPI("sys1_status : 0x%08X\n", sys1_status); + if (sys1_status & AST_ESPI_SUS_WARN) { + DBG_ESPI("SUS WARN evt: 0x%08X\n", sys1_event); +- if (sys1_event & AST_ESPI_SUS_WARN) { +- uint32_t v = readl(AST_ESPI_BASE + ESPI104) | +- AST_ESPI_SUS_ACK; +- writel(v, AST_ESPI_BASE + ESPI104); +- DBG_ESPI("SUS_WARN sent ack\n"); +- } ++ uint32_t v = readl(AST_ESPI_BASE + ESPI104); ++ if (sys1_event & AST_ESPI_SUS_WARN) ++ v |= AST_ESPI_SUS_ACK; ++ else ++ v &= ~AST_ESPI_SUS_ACK; ++ writel(v, AST_ESPI_BASE + ESPI104); ++ DBG_ESPI("SUS_WARN sent ack\n"); + } + writel(sys1_status, AST_ESPI_BASE + ESPI12C); /* clear status */ + } +@@ -219,9 +222,9 @@ static void espi_irq_handler(void *cookie) + + writel(irq_status, AST_ESPI_BASE + ESPI008); /* clear irq_status */ + +- DBG_ESPI("end espi_irq_handler, ESPI008=0X%x, ESPI00c=0X%x,\ +- ESPI100=0X%x, ESPI11c=0X%x, ESPI094=0X%x,\ +- ESPI12c=0X%x, irq_status=0X%x\n", ++ DBG_ESPI("end espi_irq_handler, ESPI008=0X%x, ESPI00c=0X%x, " ++ "ESPI100=0X%x, ESPI11c=0X%x, ESPI094=0X%x, " ++ "ESPI12c=0X%x, irq_status=0X%x\n", + readl(AST_ESPI_BASE + ESPI008), + readl(AST_ESPI_BASE + ESPI00C), + readl(AST_ESPI_BASE + ESPI100), +@@ -232,6 +235,7 @@ static void espi_irq_handler(void *cookie) + + static void espi_configure_irq(void) + { ++ /* Dual-edge setting for HOST_RST_WARN and OOB_RST_WARN */ + writel(0, AST_ESPI_BASE + ESPI110); + writel(0, AST_ESPI_BASE + ESPI114); + writel(AST_ESPI_HOST_RST_WARN | AST_ESPI_OOB_RST_WARN | +@@ -239,13 +243,11 @@ static void espi_configure_irq(void) + writel(AST_ESPI_HOST_RST_WARN | AST_ESPI_OOB_RST_WARN | + AST_ESPI_PLTRSTN, AST_ESPI_BASE + ESPI094); + +- writel(AST_ESPI_SUS_WARN, +- AST_ESPI_BASE + ESPI120); /* int type 0 susp warn */ ++ /* Dual-edge setting for SUS_WARN */ ++ writel(0, AST_ESPI_BASE + ESPI120); + writel(0, AST_ESPI_BASE + ESPI124); +- writel(0, AST_ESPI_BASE + ESPI128); +- writel(AST_ESPI_SUS_WARN, +- AST_ESPI_BASE + +- ESPI100); /* Enable sysev1 ints for susp warn */ ++ writel(AST_ESPI_SUS_WARN, AST_ESPI_BASE + ESPI128); ++ writel(AST_ESPI_SUS_WARN, AST_ESPI_BASE + ESPI100); + + writel(AST_ESPI_IEN_HW_RST | AST_ESPI_IEN_SYS1_EV | + AST_ESPI_IEN_SYS_EV, AST_ESPI_BASE + ESPI00C); +-- +2.17.1 + |