diff options
Diffstat (limited to 'meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0040-Initialize-the-BMC-host-mailbox-at-reset-time.patch')
| -rw-r--r-- | meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0040-Initialize-the-BMC-host-mailbox-at-reset-time.patch | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0040-Initialize-the-BMC-host-mailbox-at-reset-time.patch b/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0040-Initialize-the-BMC-host-mailbox-at-reset-time.patch deleted file mode 100644 index b36627d17..000000000 --- a/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0040-Initialize-the-BMC-host-mailbox-at-reset-time.patch +++ /dev/null @@ -1,65 +0,0 @@ -From 933d80ac82dbe1f74c653b0ac505fde406e2553c Mon Sep 17 00:00:00 2001 -From: Vernon Mauery <vernon.mauery@intel.com> -Date: Mon, 27 Jan 2020 15:13:10 -0800 -Subject: [PATCH] Initialize the BMC/host mailbox at reset time - -When the BMC comes out of reset, the mailbox registers need to be set so -the communications with the host can start properly. - -Tested: boot the BMC and take note that the mailbox registers are no - longer random garbage. - -Signed-off-by: Vernon Mauery <vernon.mauery@intel.com> ---- - board/aspeed/ast-g5/ast-g5-intel.c | 28 ++++++++++++++++++++++++++++ - 1 file changed, 28 insertions(+) - -diff --git a/board/aspeed/ast-g5/ast-g5-intel.c b/board/aspeed/ast-g5/ast-g5-intel.c -index ce87a46cd1..1086742045 100644 ---- a/board/aspeed/ast-g5/ast-g5-intel.c -+++ b/board/aspeed/ast-g5/ast-g5-intel.c -@@ -575,6 +575,33 @@ static void pwm_init(void) - writel(val, PWM_BASE_ADDR + PWM_CONTROL); - } - -+#define AST_MBX_COUNT 16 -+#define MB_HINIT_BP_REG1 (0) -+#define MB_HINIT_BP_REG2 (1) // reserved for future bit definition. -+#define MB_FW_MJ_VER_REG (2) -+#define MB_FW_MN_VER_REG (3) -+#define MB_HINIT_ERR_REG (4) -+#define MB_BOOTL_BP_REG1 (5) -+#define MB_BOOTL_BP_REG2 (6) // tracks which image selected -+#define MB_BOOTL_ERR_REG (7) -+#define MB_RUNTM_BP_REG1 (8) -+#define MB_RUNTM_BP_REG2 (9) // reserved for future bit definition. -+#define MB_RUNTM_ERR_REG (10) -+static void mailbox_init(void) -+{ -+ /* clear out default mbox values */ -+ int i; -+ for (i = 0; i < AST_MBX_COUNT; i++) -+ { -+ writel(0, AST_MBX_BASE + 4 * i); -+ } -+ /* by the time this is called, all the hardware init is done -+ * so we can mark that as complete */ -+ writel(0xff, AST_MBX_BASE + 4 * MB_HINIT_BP_REG1); -+ /* mark progress up through booting linux */ -+ writel(0x1f, AST_MBX_BASE + 4 * MB_BOOTL_BP_REG1); -+} -+ - extern void espi_init(void); - extern void kcs_init(void); - void ast_g5_intel(void) -@@ -597,6 +624,7 @@ void ast_g5_intel(void) - set_cpld_reg(PFR_CPLD_BOOT_CHECKPOINT_REG, PFR_CPLD_CHKPOINT_START); - - uart_init(); -+ mailbox_init(); - pwm_init(); - gpio_init(gpio_table, ARRAY_SIZE(gpio_table)); - espi_init(); --- -2.17.1 - |