diff options
Diffstat (limited to 'arch/arm/mach-mvebu/serdes/a38x/sys_env_lib.c')
| -rw-r--r-- | arch/arm/mach-mvebu/serdes/a38x/sys_env_lib.c | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/arch/arm/mach-mvebu/serdes/a38x/sys_env_lib.c b/arch/arm/mach-mvebu/serdes/a38x/sys_env_lib.c index efd3873203..49d704a362 100644 --- a/arch/arm/mach-mvebu/serdes/a38x/sys_env_lib.c +++ b/arch/arm/mach-mvebu/serdes/a38x/sys_env_lib.c @@ -5,7 +5,6 @@ */ #include <common.h> -#include <i2c.h> #include <spl.h> #include <asm/io.h> #include <asm/arch/cpu.h> @@ -236,153 +235,3 @@ u32 sys_env_device_id_get(void) return g_dev_id; } - -#ifdef MV_DDR_TOPOLOGY_UPDATE_FROM_TWSI -/* -* sys_env_get_topology_update_info -* DESCRIPTION: Read TWSI fields to update DDR topology structure -* INPUT: None -* OUTPUT: None, 0 means no topology update -* RETURN: -* Bit mask of changes topology features -*/ -#ifdef CONFIG_ARMADA_39X -u32 sys_env_get_topology_update_info( - struct topology_update_info *tui) -{ - /* Set 16/32 bit configuration*/ - tui->update_width = 1; - tui->width = TOPOLOGY_UPDATE_WIDTH_32BIT; - -#ifdef CONFIG_DDR3 - if (1 == sys_env_config_get(MV_CONFIG_DDR_BUSWIDTH)) { - /* 16bit */ - tui->width = TOPOLOGY_UPDATE_WIDTH_16BIT; - } else { - /* 32bit */ - tui->width = TOPOLOGY_UPDATE_WIDTH_32BIT; - } -#endif - - /* Set ECC/no ECC bit configuration */ - tui->update_ecc = 1; - if (0 == sys_env_config_get(MV_CONFIG_DDR_ECC_EN)) { - /* NO ECC */ - tui->ecc = TOPOLOGY_UPDATE_ECC_OFF; - } else { - /* ECC */ - tui->ecc = TOPOLOGY_UPDATE_ECC_ON; - } - - tui->update_ecc_pup3_mode = 1; - tui->ecc_pup_mode_offset = TOPOLOGY_UPDATE_ECC_OFFSET_PUP4; - - return MV_OK; -} -#else /*CONFIG_ARMADA_38X*/ -u32 sys_env_get_topology_update_info( - struct topology_update_info *tui) -{ - u8 config_val; - u8 ecc_mode[A38X_MV_MAX_MARVELL_BOARD_ID - - A38X_MARVELL_BOARD_ID_BASE][5] = TOPOLOGY_UPDATE; - u8 board_id = mv_board_id_get(); - int ret; - - board_id = mv_board_id_index_get(board_id); - ret = i2c_read(EEPROM_I2C_ADDR, 0, 2, &config_val, 1); - if (ret) { - DEBUG_INIT_S("sys_env_get_topology_update_info: TWSI Read failed\n"); - return 0; - } - - /* Set 16/32 bit configuration */ - if ((0 == (config_val & DDR_SATR_CONFIG_MASK_WIDTH)) || - (ecc_mode[board_id][TOPOLOGY_UPDATE_32BIT] == 0)) { - /* 16bit by SatR of 32bit mode not supported for the board */ - if ((ecc_mode[board_id][TOPOLOGY_UPDATE_16BIT] != 0)) { - tui->update_width = 1; - tui->width = TOPOLOGY_UPDATE_WIDTH_16BIT; - } - } else { - /* 32bit */ - if ((ecc_mode[board_id][TOPOLOGY_UPDATE_32BIT] != 0)) { - tui->update_width = 1; - tui->width = TOPOLOGY_UPDATE_WIDTH_32BIT; - } - } - - /* Set ECC/no ECC bit configuration */ - if (0 == (config_val & DDR_SATR_CONFIG_MASK_ECC)) { - /* NO ECC */ - tui->update_ecc = 1; - tui->ecc = TOPOLOGY_UPDATE_ECC_OFF; - } else { - /* ECC */ - if ((ecc_mode[board_id][TOPOLOGY_UPDATE_32BIT_ECC] != 0) || - (ecc_mode[board_id][TOPOLOGY_UPDATE_16BIT_ECC] != 0) || - (ecc_mode[board_id][TOPOLOGY_UPDATE_16BIT_ECC_PUP3] != 0)) { - tui->update_ecc = 1; - tui->ecc = TOPOLOGY_UPDATE_ECC_ON; - } - } - - /* Set ECC pup bit configuration */ - if (0 == (config_val & DDR_SATR_CONFIG_MASK_ECC_PUP)) { - /* PUP3 */ - /* - * Check if PUP3 configuration allowed, if not - - * force Pup4 with warning message - */ - if ((ecc_mode[board_id][TOPOLOGY_UPDATE_16BIT_ECC_PUP3] != 0)) { - if (tui->width == TOPOLOGY_UPDATE_WIDTH_16BIT) { - tui->update_ecc_pup3_mode = 1; - tui->ecc_pup_mode_offset = - TOPOLOGY_UPDATE_ECC_OFFSET_PUP3; - } else { - if ((ecc_mode[board_id][TOPOLOGY_UPDATE_32BIT_ECC] != 0)) { - printf("DDR Topology Update: ECC PUP3 not valid for 32bit mode, force ECC in PUP4\n"); - tui->update_ecc_pup3_mode = 1; - tui->ecc_pup_mode_offset = - TOPOLOGY_UPDATE_ECC_OFFSET_PUP4; - } - } - } else { - if (ecc_mode[board_id][TOPOLOGY_UPDATE_16BIT_ECC] != - 0) { - printf("DDR Topology Update: ECC on PUP3 not supported, force ECC on PUP4\n"); - tui->update_ecc_pup3_mode = 1; - tui->ecc_pup_mode_offset = - TOPOLOGY_UPDATE_ECC_OFFSET_PUP4; - } - } - } else { - /* PUP4 */ - if ((ecc_mode[board_id][TOPOLOGY_UPDATE_32BIT_ECC] != 0) || - (ecc_mode[board_id][TOPOLOGY_UPDATE_16BIT_ECC] != 0)) { - tui->update_ecc_pup3_mode = 1; - tui->ecc_pup_mode_offset = - TOPOLOGY_UPDATE_ECC_OFFSET_PUP4; - } - } - - /* - * Check for forbidden ECC mode, - * if by default width and pup selection set 32bit ECC mode and this - * mode not supported for the board - config 16bit with ECC on PUP3 - */ - if ((tui->ecc == TOPOLOGY_UPDATE_ECC_ON) && - (tui->width == TOPOLOGY_UPDATE_WIDTH_32BIT)) { - if (ecc_mode[board_id][TOPOLOGY_UPDATE_32BIT_ECC] == 0) { - printf("DDR Topology Update: 32bit mode with ECC not allowed on this board, forced 16bit with ECC on PUP3\n"); - tui->width = TOPOLOGY_UPDATE_WIDTH_16BIT; - tui->update_ecc_pup3_mode = 1; - tui->ecc_pup_mode_offset = - TOPOLOGY_UPDATE_ECC_OFFSET_PUP3; - } - } - - return MV_OK; -} -#endif /* CONFIG_ARMADA_38X */ -#endif /* MV_DDR_TOPOLOGY_UPDATE_FROM_TWSI */ |