| From ca2c08a7e710e4beff2fdf17bba5a74adff13db8 Mon Sep 17 00:00:00 2001 |
| From: Manikandan Elumalai <manikandan.hcl.ers.epl@gmail.com> |
| Date: Wed, 10 Jun 2020 17:53:59 +0530 |
| Subject: [PATCH] spl-host-console-handle |
| |
| This patch adds four 1S server console through debug card |
| connected to YosemiteV2 during boot. |
| |
| Handswitch in the adaptor card connected to AST2500 GPIOs as below, |
| GPIOAA7 ---SW_ID8 |
| GPIOAA6 ---SW_ID4 |
| GPIOAA5 ---SW_ID2 |
| GPIOAA4 ---SW_ID1 |
| |
| SW_ID8 SW_ID4 SW_ID2 SW_ID1 Position Descritpion |
| L L L L 1 1s server slot1 select |
| |
| L L H 2 1s server slot2 select |
| |
| L L H L 3 1s server slot3 select |
| |
| L L H H 4 1s server slot4 select |
| |
| L H L L 5 BMC Debug port select |
| |
| L H L H 6 1s server slot1 select |
| |
| L H H L 7 1s server slot2 select |
| |
| L H H H 8 1s server slot3 select |
| |
| H L L L 9 1s server slot4 select |
| |
| H L L H 10 BMC Debug port select |
| |
| BMC and Hosts UART control flow |
| GPIOE0 --- DEBUG_UART_SEL_0 |
| GPIOE1 --- DEBUG_UART_SEL_1 |
| GPIOE2 --- DEBUG_UART_SEL_2 |
| GPIOE2 --- DEBUG_UART_RX_SEL_N |
| |
| SEL_2 SEL_1 SEL_0 RX_SEL_N CONSOLE |
| 0 0 0 0 SLOT1 |
| 0 0 1 0 SLOT2 |
| 0 1 0 0 SLOT3 |
| 0 1 1 0 SLOT4 |
| 1 0 0 1 BMC Debug |
| |
| Signed-off-by: Manikandan Elumalai <manikandan.hcl.ers.epl@gmail.com> |
| --- |
| arch/arm/mach-aspeed/platform_g5.S | 68 +++++++++++++++++++++++++++++++++----- |
| 1 file changed, 60 insertions(+), 8 deletions(-) |
| |
| diff --git a/arch/arm/mach-aspeed/platform_g5.S b/arch/arm/mach-aspeed/platform_g5.S |
| index c3ce077..29daa7a 100644 |
| --- a/arch/arm/mach-aspeed/platform_g5.S |
| +++ b/arch/arm/mach-aspeed/platform_g5.S |
| @@ -315,6 +315,58 @@ orr r1, r1, #0xC |
| str r1, [r0] |
| .endm |
| |
| + .macro console_slot1 |
| + ldr r0, =0x1e780024 |
| + ldr r1, [r0] |
| + orr r1, r1, #0xF |
| + str r1, [r0] |
| + |
| + ldr r0, =0x1e780020 |
| + ldr r1, [r0] |
| + and r1, r1, #0xFFFFFFF0 |
| + orr r1, r1, #0x0 |
| + str r1, [r0] |
| + .endm |
| + |
| + .macro console_slot2 |
| + ldr r0, =0x1e780024 |
| + ldr r1, [r0] |
| + orr r1, r1, #0xF |
| + str r1, [r0] |
| + |
| + ldr r0, =0x1e780020 |
| + ldr r1, [r0] |
| + and r1, r1, #0xFFFFFFF0 |
| + orr r1, r1, #0x1 |
| + str r1, [r0] |
| + .endm |
| + |
| + .macro console_slot3 |
| + ldr r0, =0x1e780024 |
| + ldr r1, [r0] |
| + orr r1, r1, #0xF |
| + str r1, [r0] |
| + |
| + ldr r0, =0x1e780020 |
| + ldr r1, [r0] |
| + and r1, r1, #0xFFFFFFF0 |
| + orr r1, r1, #0x2 |
| + str r1, [r0] |
| + .endm |
| + |
| + .macro console_slot4 |
| + ldr r0, =0x1e780024 |
| + ldr r1, [r0] |
| + orr r1, r1, #0xF |
| + str r1, [r0] |
| + |
| + ldr r0, =0x1e780020 |
| + ldr r1, [r0] |
| + and r1, r1, #0xFFFFFFF0 |
| + orr r1, r1, #0x3 |
| + str r1, [r0] |
| + .endm |
| + |
| .macro console_sel |
| |
| // Disable SoL UARTs[1-4] |
| @@ -354,28 +406,28 @@ dbg_card_pres\@: |
| ldr r1, =0x00 |
| cmp r0, r1 |
| bne case_pos2\@ |
| - console_bmc |
| + console_slot1 |
| b case_end\@ |
| case_pos2\@: |
| //Test for position#2 |
| ldr r1, =0x01 |
| cmp r0, r1 |
| bne case_pos3\@ |
| - console_bmc |
| + console_slot2 |
| b case_end\@ |
| case_pos3\@: |
| //Test for position#3 |
| ldr r1, =0x02 |
| cmp r0, r1 |
| bne case_pos4\@ |
| - console_bmc |
| + console_slot3 |
| b case_end\@ |
| case_pos4\@: |
| //Test for position#4 |
| ldr r1, =0x03 |
| cmp r0, r1 |
| bne case_pos5\@ |
| - console_bmc |
| + console_slot4 |
| b case_end\@ |
| case_pos5\@: |
| //Test for position#5 |
| @@ -389,28 +441,28 @@ case_pos6\@: |
| ldr r1, =0x05 |
| cmp r0, r1 |
| bne case_pos7\@ |
| - console_bmc |
| + console_slot1 |
| b case_end\@ |
| case_pos7\@: |
| //Test for position#7 |
| ldr r1, =0x06 |
| cmp r0, r1 |
| bne case_pos8\@ |
| - console_bmc |
| + console_slot2 |
| b case_end\@ |
| case_pos8\@: |
| //Test for position#8 |
| ldr r1, =0x07 |
| cmp r0, r1 |
| bne case_pos9\@ |
| - console_bmc |
| + console_slot3 |
| b case_end\@ |
| case_pos9\@: |
| //Test for position#9 |
| ldr r1, =0x08 |
| cmp r0, r1 |
| bne case_pos10\@ |
| - console_bmc |
| + console_slot4 |
| b case_end\@ |
| case_pos10\@: |
| //Test for position#10 |
| -- |
| 2.7.4 |