diff options
Diffstat (limited to 'meta-openbmc-mods/meta-ast2500/recipes-bsp/u-boot/files/0051-Add-Aspeed-DRAM-stress-test-command.patch')
| -rw-r--r-- | meta-openbmc-mods/meta-ast2500/recipes-bsp/u-boot/files/0051-Add-Aspeed-DRAM-stress-test-command.patch | 302 |
1 files changed, 302 insertions, 0 deletions
diff --git a/meta-openbmc-mods/meta-ast2500/recipes-bsp/u-boot/files/0051-Add-Aspeed-DRAM-stress-test-command.patch b/meta-openbmc-mods/meta-ast2500/recipes-bsp/u-boot/files/0051-Add-Aspeed-DRAM-stress-test-command.patch new file mode 100644 index 000000000..377be5e53 --- /dev/null +++ b/meta-openbmc-mods/meta-ast2500/recipes-bsp/u-boot/files/0051-Add-Aspeed-DRAM-stress-test-command.patch @@ -0,0 +1,302 @@ +From 6ccd771297fdfc4dbb0571001e787a72f9348df9 Mon Sep 17 00:00:00 2001 +From: Jae Hyun Yoo <jae.hyun.yoo@intel.com> +Date: Wed, 16 Sep 2020 15:14:26 -0700 +Subject: [PATCH] Add Aspeed DRAM stress test command + +This commit adds DRAM stress test command. Also, it enables +SoC UART debug feature. + +Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@intel.com> +--- + board/aspeed/ast-g5/ast-g5-intel.c | 8 ++ + cmd/Kconfig | 4 + + cmd/Makefile | 2 + + cmd/dramtest.c | 219 +++++++++++++++++++++++++++++ + 4 files changed, 233 insertions(+) + create mode 100644 cmd/dramtest.c + +diff --git a/board/aspeed/ast-g5/ast-g5-intel.c b/board/aspeed/ast-g5/ast-g5-intel.c +index c46bd70b71b2..91dae91d02e4 100644 +--- a/board/aspeed/ast-g5/ast-g5-intel.c ++++ b/board/aspeed/ast-g5/ast-g5-intel.c +@@ -140,6 +140,8 @@ static const GPIOValue gpio_table[] = { + + #define COOPER_CITY_BOARD_ID 40 + ++#define USE_SOC_UART_DEBUG ++ + static int get_boot_failures(void) + { + return getenv_ulong("bootfailures", 10, 0); +@@ -660,9 +662,15 @@ extern void espi_init(void); + extern void kcs_init(void); + void ast_g5_intel(void) + { ++#ifdef USE_SOC_UART_DEBUG ++ /* Enable uart port debug function */ ++ ast_scu_write(ast_scu_read(AST_SCU_MISC1_CTRL) & ++ ~SCU_MISC_UART_DEBUG_DIS, AST_SCU_MISC1_CTRL); ++#else + /* Disable uart port debug function */ + ast_scu_write(ast_scu_read(AST_SCU_MISC1_CTRL) | + SCU_MISC_UART_DEBUG_DIS, AST_SCU_MISC1_CTRL); ++#endif + + uart_init(); + mailbox_init(); +diff --git a/cmd/Kconfig b/cmd/Kconfig +index 33be2407d2ba..e7c7c4b67cef 100644 +--- a/cmd/Kconfig ++++ b/cmd/Kconfig +@@ -605,6 +605,10 @@ config CMD_QFW + This provides access to the QEMU firmware interface. The main + feature is to allow easy loading of files passed to qemu-system + via -kernel / -initrd ++ ++config CMD_DRAMTEST ++ bool "ASPEED DRAM controller stress test" ++ default y + endmenu + + config CMD_BOOTSTAGE +diff --git a/cmd/Makefile b/cmd/Makefile +index c8ac0af55c05..eda5f91338ce 100644 +--- a/cmd/Makefile ++++ b/cmd/Makefile +@@ -152,6 +152,8 @@ obj-$(CONFIG_CMD_DFU) += dfu.o + obj-$(CONFIG_CMD_GPT) += gpt.o + obj-$(CONFIG_CMD_ETHSW) += ethsw.o + ++obj-$(CONFIG_CMD_DRAMTEST) += dramtest.o ++ + # Power + obj-$(CONFIG_CMD_PMIC) += pmic.o + obj-$(CONFIG_CMD_REGULATOR) += regulator.o +diff --git a/cmd/dramtest.c b/cmd/dramtest.c +new file mode 100644 +index 000000000000..cb2f0ea5ac35 +--- /dev/null ++++ b/cmd/dramtest.c +@@ -0,0 +1,219 @@ ++/* ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program; if not, write to the Free Software ++ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ++ */ ++ ++#include <common.h> ++#include <console.h> ++#include <bootretry.h> ++#include <cli.h> ++#include <command.h> ++#include <console.h> ++ ++#include <inttypes.h> ++#include <mapmem.h> ++#include <asm/io.h> ++#include <linux/compiler.h> ++ ++DECLARE_GLOBAL_DATA_PTR; ++ ++#define DRAM_BASE 0x80000000 ++#define TIMEOUT_DRAM 5000000 ++ ++#ifdef CONFIG_ASPEED_AST2600 ++#define BLK_SIZE_MB 64 ++#define N_BLK 32 ++#define MCR74_BLK_OFFSET 26 ++#define MCR74_LEN_OFFSET 4 ++#define MCR74_BLK_LEN_MASK GENMASK(30, 4) ++#else ++#define BLK_SIZE_MB 16 ++#define N_BLK 64 ++#define MCR74_BLK_OFFSET 24 ++#define MCR74_LEN_OFFSET 4 ++#define MCR74_BLK_LEN_MASK GENMASK(29, 4) ++#endif ++#define BLK_SIZE (BLK_SIZE_MB * 1024 * 1024) ++#define N_16B_IN_BLK (BLK_SIZE / 16) ++ ++/* ------------------------------------------------------------------------- */ ++int MMCTestBurst(unsigned int datagen) ++{ ++ unsigned int data; ++ unsigned int timeout = 0; ++ ++ writel(0x00000000, 0x1E6E0070); ++ writel((0x000000C1 | (datagen << 3)), 0x1E6E0070); ++ ++ do { ++ data = readl(0x1E6E0070) & 0x3000; ++ ++ if( data & 0x2000 ) ++ return(0); ++ ++ if( ++timeout > TIMEOUT_DRAM ) { ++ printf("Timeout!!\n"); ++ writel(0x00000000, 0x1E6E0070); ++ return(0); ++ } ++ } while (!data); ++ ++ writel(0x00000000, 0x1E6E0070); ++ ++ return(1); ++} ++ ++/* ------------------------------------------------------------------------- */ ++int MMCTestSingle(unsigned int datagen) ++{ ++ unsigned int data; ++ unsigned int timeout = 0; ++ ++ writel(0x00000000, 0x1E6E0070); ++ writel((0x00000085 | (datagen << 3)), 0x1E6E0070); ++ ++ do { ++ data = readl(0x1E6E0070) & 0x3000; ++ ++ if( data & 0x2000 ) ++ return(0); ++ ++ if( ++timeout > TIMEOUT_DRAM ){ ++ printf("Timeout!!\n"); ++ writel(0x00000000, 0x1E6E0070); ++ ++ return(0); ++ } ++ } while ( !data ); ++ ++ writel(0x00000000, 0x1E6E0070); ++ ++ return(1); ++} ++ ++/* ------------------------------------------------------------------------- */ ++int MMCTest(void) ++{ ++ unsigned int pattern; ++ ++ pattern = rand(); ++ writel(pattern, 0x1E6E007C); ++ printf("Pattern = %08X : ",pattern); ++ ++ if(!MMCTestBurst(0)) return(0); ++ if(!MMCTestBurst(1)) return(0); ++ if(!MMCTestBurst(2)) return(0); ++ if(!MMCTestBurst(3)) return(0); ++ if(!MMCTestBurst(4)) return(0); ++ if(!MMCTestBurst(5)) return(0); ++ if(!MMCTestBurst(6)) return(0); ++ if(!MMCTestBurst(7)) return(0); ++ if(!MMCTestSingle(0)) return(0); ++ if(!MMCTestSingle(1)) return(0); ++ if(!MMCTestSingle(2)) return(0); ++ if(!MMCTestSingle(3)) return(0); ++ if(!MMCTestSingle(4)) return(0); ++ if(!MMCTestSingle(5)) return(0); ++ if(!MMCTestSingle(6)) return(0); ++ if(!MMCTestSingle(7)) return(0); ++ ++ return(1); ++} ++ ++/* ------------------------------------------------------------------------- */ ++static void print_usage(void) ++{ ++ printf("\nASPEED DRAM BIST\n\n"); ++ printf("Usage: dramtest <count> <block> <length>\n\n"); ++ printf("count: how many iterations to run (mandatory, in decimal)\n"); ++ printf(" 0: infinite loop.\n"); ++ printf("block: index of the address block to test " ++ "(optional, in decimal, default: 0)\n"); ++ printf(" 0: [%08x, %08x)\n", DRAM_BASE + BLK_SIZE * 0, DRAM_BASE + BLK_SIZE * 1); ++ printf(" 1: [%08x, %08x)\n", DRAM_BASE + BLK_SIZE * 1, DRAM_BASE + BLK_SIZE * 2); ++ printf(" 2: [%08x, %08x)\n", DRAM_BASE + BLK_SIZE * 2, DRAM_BASE + BLK_SIZE * 3); ++ printf(" n: [80000000 + n*%dMB, 80000000 + (n+1)*%dMB)\n", BLK_SIZE_MB, BLK_SIZE_MB); ++ printf(" where n = [0, %d]\n", N_BLK - 1); ++ printf("length: size to test (optional, in hex, default: 0x10000)\n"); ++ printf(" 0x0: test the whole memory block %dMB\n", BLK_SIZE_MB); ++ printf(" 0x1: test the first 16 Bytes of the memory block\n"); ++ printf(" 0x2: test the first 2*16 Bytes of the memory block\n"); ++ printf(" n : test the first n*16 Bytes of the memory block\n"); ++ printf(" where n = [0x00000001, 0x%08x]\n", N_16B_IN_BLK - 1); ++ printf("\n\n"); ++} ++ ++static int ++do_ast_dramtest(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) ++{ ++ u32 PassCnt = 0; ++ unsigned long Testcounter = 0; ++ unsigned long block = 0; ++ unsigned long length = 0x10000; ++ int ret; ++ ++ if (argc < 2) { ++ ret = 0; ++ goto cmd_err; ++ } ++ ++ ret = CMD_RET_USAGE; ++ switch (argc) { ++ case 4: ++ if (strict_strtoul(argv[3], 16, &length) < 0 || ++ length > N_16B_IN_BLK - 1) ++ goto cmd_err; ++ if (length == 0) ++ length = N_16B_IN_BLK - 1; ++ /* fall through */ ++ case 3: ++ if (strict_strtoul(argv[2], 10, &block) < 0 || ++ block > N_BLK - 1) ++ goto cmd_err; ++ /* fall through */ ++ case 2: ++ if (strict_strtoul(argv[1], 10, &Testcounter) < 0) ++ goto cmd_err; ++ break; ++ default: ++ goto cmd_err; ++ } ++ ++ printf("Test range: 0x%08lx - 0x%08lx\n", DRAM_BASE + (block << MCR74_BLK_OFFSET), ++ DRAM_BASE + (block << MCR74_BLK_OFFSET) + (length << 4) + 15); ++ ++ ret = 1; ++ writel(0xFC600309, 0x1E6E0000); ++ while ((Testcounter > PassCnt) || (Testcounter == 0)) { ++ clrsetbits_le32(0x1E6E0074, MCR74_BLK_LEN_MASK, ++ (block << MCR74_BLK_OFFSET) | (length << MCR74_LEN_OFFSET)); ++ ++ if (!MMCTest()) { ++ printf("FAIL %d/%ld (fail DQ 0x%08x)\n", PassCnt, ++ Testcounter, readl(0x1E6E0078)); ++ ret = 0; ++ break; ++ } else { ++ PassCnt++; ++ printf("Pass %d/%ld\n", PassCnt, Testcounter); ++ } ++ } ++ ++ return (ret); ++ ++cmd_err: ++ print_usage(); ++ return (ret); ++} ++ ++U_BOOT_CMD( ++ dramtest, 5, 0, do_ast_dramtest, ++ "ASPEED DRAM BIST", ++ "" ++); +-- +2.17.1 + |