diff options
Diffstat (limited to 'meta-facebook/meta-yosemitev2/recipes-bsp/u-boot/u-boot-aspeed-sdk/0001-board-aspeed-Add-Mux-for-yosemitev2.patch')
| -rw-r--r-- | meta-facebook/meta-yosemitev2/recipes-bsp/u-boot/u-boot-aspeed-sdk/0001-board-aspeed-Add-Mux-for-yosemitev2.patch | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/meta-facebook/meta-yosemitev2/recipes-bsp/u-boot/u-boot-aspeed-sdk/0001-board-aspeed-Add-Mux-for-yosemitev2.patch b/meta-facebook/meta-yosemitev2/recipes-bsp/u-boot/u-boot-aspeed-sdk/0001-board-aspeed-Add-Mux-for-yosemitev2.patch new file mode 100644 index 0000000000..0b34dceb5e --- /dev/null +++ b/meta-facebook/meta-yosemitev2/recipes-bsp/u-boot/u-boot-aspeed-sdk/0001-board-aspeed-Add-Mux-for-yosemitev2.patch @@ -0,0 +1,235 @@ +From 5a649c3dd0452eba0028c51546e2981e0b04de4f Mon Sep 17 00:00:00 2001 +From: Logananth Sundararaj <logananth_s@hcl.com> +Date: Tue, 8 Mar 2022 19:18:27 +0530 +Subject: [PATCH] board-aspeed-Add-Mux-for-yosemitev2 + +Signed-off-by: Logananth Sundararaj <logananth_s@hcl.com> +--- + arch/arm/mach-aspeed/ast2500/platform.S | 191 ++++++++++++++++++++---- + 1 file changed, 162 insertions(+), 29 deletions(-) + +diff --git a/arch/arm/mach-aspeed/ast2500/platform.S b/arch/arm/mach-aspeed/ast2500/platform.S +index aef55c4a0a..137ed2c587 100644 +--- a/arch/arm/mach-aspeed/ast2500/platform.S ++++ b/arch/arm/mach-aspeed/ast2500/platform.S +@@ -302,6 +302,156 @@ TIME_TABLE_DDR4_1600: + ldr r2, =0x00000800 + .endm + ++ .macro console_bmc ++ 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, #0xC ++ str r1, [r0] ++ .endm ++ ++.macro console_sel ++ ++ // Disable SoL UARTs[1-4] ++ ldr r0, =0x1e6e2080 ++ ldr r1, [r0] ++ ldr r2, =0xBFBFFFFF ++ and r1, r1, r2 ++ str r1, [r0] ++ ++ ldr r0, =0x1e6e2084 ++ ldr r1, [r0] ++ and r1, r1, r2 ++ str r1, [r0] ++ // Enable GPIOE[0-3] Tolerant ++ ldr r0, =0x1e78003c ++ ldr r1, [r0] ++ orr r1, r1, #0xF ++ str r1, [r0] ++ ++ // Read debug card present ++ ldr r2, =0x1e780080 ++ ldr r0, [r2] ++ and r0, r0, #0x00000800 ++ ldr r1, =0x0800 ++ cmp r0, r1 ++ bne dbg_card_pres\@ ++ console_bmc ++ b case_end\@ ++ ++dbg_card_pres\@: ++ // Read key position ++ ldr r2, =0x1e7801e0 ++ ldr r0, [r2] ++ bic r1, r0, #0xFF0FFFFF ++ mov r0, r1, lsr #20 ++ //Test for position#1 ++ ldr r1, =0x00 ++ cmp r0, r1 ++ bne case_pos2\@ ++ console_bmc ++ b case_end\@ ++case_pos2\@: ++ //Test for position#2 ++ ldr r1, =0x01 ++ cmp r0, r1 ++ bne case_pos3\@ ++ console_bmc ++ b case_end\@ ++case_pos3\@: ++ //Test for position#3 ++ ldr r1, =0x02 ++ cmp r0, r1 ++ bne case_pos4\@ ++ console_bmc ++ b case_end\@ ++case_pos4\@: ++//Test for position#4 ++ ldr r1, =0x03 ++ cmp r0, r1 ++ bne case_pos5\@ ++ console_bmc ++ b case_end\@ ++case_pos5\@: ++ //Test for position#5 ++ ldr r1, =0x04 ++ cmp r0, r1 ++ bne case_pos6\@ ++ console_bmc ++ b case_end\@ ++case_pos6\@: ++ //Test for position#6 ++ ldr r1, =0x05 ++ cmp r0, r1 ++ bne case_pos7\@ ++ console_bmc ++ b case_end\@ ++case_pos7\@: ++ //Test for position#7 ++ ldr r1, =0x06 ++ cmp r0, r1 ++ bne case_pos8\@ ++ console_bmc ++ b case_end\@ ++case_pos8\@: ++ //Test for position#8 ++ ldr r1, =0x07 ++ cmp r0, r1 ++ bne case_pos9\@ ++ console_bmc ++ b case_end\@ ++case_pos9\@: ++ //Test for position#9 ++ ldr r1, =0x08 ++ cmp r0, r1 ++ bne case_pos10\@ ++ console_bmc ++ b case_end\@ ++case_pos10\@: ++ //Test for position#10 ++ ldr r1, =0x09 ++ cmp r0, r1 ++ bne case_end\@ ++ console_bmc ++ b case_end\@ ++case_end\@: ++.endm ++ ++ .macro uart_console_setup ++ console_sel ++ /* setup UART console */ ++ ldr r0, =0x1E78400C ++ mov r1, #0x83 ++ str r1, [r0] ++ ++ ldr r0, =0x1e6e202c ++ ldr r2, [r0] ++ mov r2, r2, lsr #12 ++ tst r2, #0x01 ++ ldr r0, =0x1E784000 ++ moveq r1, #0x1A @ Baudrate 57600 ++ movne r1, #0x02 @ Baudrate 57600, div13 ++ ++ str r1, [r0] ++ ++ ldr r0, =0x1E784004 ++ mov r1, #0x00 ++ str r1, [r0] ++ ++ ldr r0, =0x1E78400C ++ mov r1, #0x03 ++ str r1, [r0] ++ ++ ldr r0, =0x1E784008 ++ mov r1, #0x07 ++ str r1, [r0] ++ .endm ++ + .macro print_hex_char + and r1, r1, #0xF + cmp r1, #9 +@@ -321,6 +471,16 @@ init_dram: + /******************************************** + Initial Reset Procedure : Begin + *******************************************/ ++ /* save into SRAM */ ++ ldr r0, =0x1e720200 /* vbs.uboot_exec_address */ ++ str r4, [r0] ++ ++ uart_console_setup ++ ++ ldr r0, =0x1E720204 ++ mov r1, #0x0 ++ str r1, [r0] ++ + /* Clear AHB bus lock condition */ + ldr r0, =0x1e600000 + ldr r1, =0xAEED1A03 +@@ -794,6 +954,8 @@ wait_ddr_reset: + clear_delay_timer + /* end delay 10ms */ + ++ uart_console_setup ++ + /* Debug - UART console message */ + #ifdef CONFIG_DRAM_UART_TO_UART1 + ldr r0, =0x1e78909c @ route UART5 to UART Port1, 2016.08.29 +@@ -807,35 +969,6 @@ wait_ddr_reset: + str r1, [r0] + #endif + +- ldr r0, =0x1e78400c +- mov r1, #0x83 +- str r1, [r0] +- +- ldr r0, =0x1e6e202c +- ldr r2, [r0] +- mov r2, r2, lsr #12 +- tst r2, #0x01 +- ldr r0, =0x1e784000 +- moveq r1, #0x0D @ Baudrate 115200 +- movne r1, #0x01 @ Baudrate 115200, div13 +-#ifdef CONFIG_DRAM_UART_38400 +- moveq r1, #0x27 @ Baudrate 38400 +- movne r1, #0x03 @ Baudrate 38400 , div13 +-#endif +- str r1, [r0] +- +- ldr r0, =0x1e784004 +- mov r1, #0x00 +- str r1, [r0] +- +- ldr r0, =0x1e78400c +- mov r1, #0x03 +- str r1, [r0] +- +- ldr r0, =0x1e784008 +- mov r1, #0x07 +- str r1, [r0] +- + ldr r0, =0x1e784000 + mov r1, #0x0D @ '\r' + str r1, [r0] +-- +2.17.1 |