diff options
Diffstat (limited to 'board/bachmann/ot1200/ot1200_spl.c')
| -rw-r--r-- | board/bachmann/ot1200/ot1200_spl.c | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/board/bachmann/ot1200/ot1200_spl.c b/board/bachmann/ot1200/ot1200_spl.c deleted file mode 100644 index 7fbd6f2c5d..0000000000 --- a/board/bachmann/ot1200/ot1200_spl.c +++ /dev/null @@ -1,152 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Copyright (C) 2015, Bachmann electronic GmbH - */ - -#include <common.h> -#include <init.h> -#include <spl.h> -#include <asm/arch/mx6-ddr.h> - -/* Configure MX6Q/DUAL mmdc DDR io registers */ -static struct mx6dq_iomux_ddr_regs ot1200_ddr_ioregs = { - /* SDCLK[0:1], CAS, RAS, Reset: Differential input, 48ohm */ - .dram_sdclk_0 = 0x00000028, - .dram_sdclk_1 = 0x00000028, - .dram_cas = 0x00000028, - .dram_ras = 0x00000028, - .dram_reset = 0x00000028, - /* SDCKE[0:1]: 100k pull-up */ - .dram_sdcke0 = 0x00003000, - .dram_sdcke1 = 0x00003000, - /* SDBA2: pull-up disabled */ - .dram_sdba2 = 0x00000000, - /* SDODT[0:1]: 100k pull-up, 48 ohm */ - .dram_sdodt0 = 0x00000028, - .dram_sdodt1 = 0x00000028, - /* SDQS[0:7]: Differential input, 48 ohm */ - .dram_sdqs0 = 0x00000028, - .dram_sdqs1 = 0x00000028, - .dram_sdqs2 = 0x00000028, - .dram_sdqs3 = 0x00000028, - .dram_sdqs4 = 0x00000028, - .dram_sdqs5 = 0x00000028, - .dram_sdqs6 = 0x00000028, - .dram_sdqs7 = 0x00000028, - /* DQM[0:7]: Differential input, 48 ohm */ - .dram_dqm0 = 0x00000028, - .dram_dqm1 = 0x00000028, - .dram_dqm2 = 0x00000028, - .dram_dqm3 = 0x00000028, - .dram_dqm4 = 0x00000028, - .dram_dqm5 = 0x00000028, - .dram_dqm6 = 0x00000028, - .dram_dqm7 = 0x00000028, -}; - -/* Configure MX6Q/DUAL mmdc GRP io registers */ -static struct mx6dq_iomux_grp_regs ot1200_grp_ioregs = { - /* DDR3 */ - .grp_ddr_type = 0x000c0000, - .grp_ddrmode_ctl = 0x00020000, - /* Disable DDR pullups */ - .grp_ddrpke = 0x00000000, - /* ADDR[00:16], SDBA[0:1]: 48 ohm */ - .grp_addds = 0x00000028, - /* CS0/CS1/SDBA2/CKE0/CKE1/SDWE: 48 ohm */ - .grp_ctlds = 0x00000028, - /* DATA[00:63]: Differential input, 48 ohm */ - .grp_ddrmode = 0x00020000, - .grp_b0ds = 0x00000028, - .grp_b1ds = 0x00000028, - .grp_b2ds = 0x00000028, - .grp_b3ds = 0x00000028, - .grp_b4ds = 0x00000028, - .grp_b5ds = 0x00000028, - .grp_b6ds = 0x00000028, - .grp_b7ds = 0x00000028, -}; - -static struct mx6_ddr_sysinfo ot1200_ddr_sysinfo = { - /* Width of data bus: 0=16, 1=32, 2=64 */ - .dsize = 2, - /* config for full 4GB range so that get_mem_size() works */ - .cs_density = 32, /* 32Gb per CS */ - /* Single chip select */ - .ncs = 1, - .cs1_mirror = 0, /* war 0 */ - .rtt_wr = 1, /* DDR3_RTT_60_OHM - RTT_Wr = RZQ/4 */ - .rtt_nom = 1, /* DDR3_RTT_60_OHM - RTT_Nom = RZQ/4 */ - .walat = 1, /* Write additional latency */ - .ralat = 5, /* Read additional latency */ - .mif3_mode = 3, /* Command prediction working mode */ - .bi_on = 1, /* Bank interleaving enabled */ /* war 1 */ - .sde_to_rst = 0x10, /* 14 cycles, 200us (JEDEC default) */ - .rst_to_cke = 0x23, /* 33 cycles, 500us (JEDEC default) */ - .refsel = 1, /* Refresh cycles at 32KHz */ - .refr = 7, /* 8 refresh commands per refresh cycle */ -}; - -/* MT41K128M16JT-125 */ -static struct mx6_ddr3_cfg micron_2gib_1600 = { - .mem_speed = 1600, - .density = 2, - .width = 16, - .banks = 8, - .rowaddr = 14, - .coladdr = 10, - .pagesz = 2, - .trcd = 1375, - .trcmin = 4875, - .trasmin = 3500, - .SRT = 1, -}; - -static struct mx6_mmdc_calibration micron_2gib_1600_mmdc_calib = { - /* write leveling calibration determine */ - .p0_mpwldectrl0 = 0x00260025, - .p0_mpwldectrl1 = 0x00270021, - .p1_mpwldectrl0 = 0x00180034, - .p1_mpwldectrl1 = 0x00180024, - /* Read DQS Gating calibration */ - .p0_mpdgctrl0 = 0x04380344, - .p0_mpdgctrl1 = 0x0330032C, - .p1_mpdgctrl0 = 0x0338033C, - .p1_mpdgctrl1 = 0x032C0300, - /* Read Calibration: DQS delay relative to DQ read access */ - .p0_mprddlctl = 0x3C2E3238, - .p1_mprddlctl = 0x3A2E303C, - /* Write Calibration: DQ/DM delay relative to DQS write access */ - .p0_mpwrdlctl = 0x36384036, - .p1_mpwrdlctl = 0x442E4438, -}; - -static void ot1200_spl_dram_init(void) -{ - mx6dq_dram_iocfg(64, &ot1200_ddr_ioregs, &ot1200_grp_ioregs); - mx6_dram_cfg(&ot1200_ddr_sysinfo, µn_2gib_1600_mmdc_calib, - µn_2gib_1600); -} - -/* - * called from C runtime startup code (arch/arm/lib/crt0.S:_main) - * - we have a stack and a place to store GD, both in SRAM - * - no variable global data is available - */ -void board_init_f(ulong dummy) -{ - /* setup AIPS and disable watchdog */ - arch_cpu_init(); - - /* iomux and setup of i2c */ - board_early_init_f(); - - /* setup GP timer */ - timer_init(); - - /* UART clocks enabled and gd valid - init serial console */ - preloader_console_init(); - - /* configure MMDC for SDRAM width/size and per-model calibration */ - ot1200_spl_dram_init(); -} |