diff options
Diffstat (limited to 'board/freescale/s32v234evb/lpddr2.c')
| -rw-r--r-- | board/freescale/s32v234evb/lpddr2.c | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/board/freescale/s32v234evb/lpddr2.c b/board/freescale/s32v234evb/lpddr2.c deleted file mode 100644 index b3775d3763..0000000000 --- a/board/freescale/s32v234evb/lpddr2.c +++ /dev/null @@ -1,136 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * (C) Copyright 2015, Freescale Semiconductor, Inc. - */ - -#include <asm/io.h> -#include <asm/arch/imx-regs.h> -#include <asm/arch/siul.h> -#include <asm/arch/lpddr2.h> -#include <asm/arch/mmdc.h> - -volatile int mscr_offset_ck0; - -void lpddr2_config_iomux(uint8_t module) -{ - int i; - - switch (module) { - case DDR0: - mscr_offset_ck0 = SIUL2_MSCRn(_DDR0_CKE0); - writel(LPDDR2_CLK0_PAD, SIUL2_MSCRn(_DDR0_CLK0)); - - writel(LPDDR2_CKEn_PAD, SIUL2_MSCRn(_DDR0_CKE0)); - writel(LPDDR2_CKEn_PAD, SIUL2_MSCRn(_DDR0_CKE1)); - - writel(LPDDR2_CS_Bn_PAD, SIUL2_MSCRn(_DDR0_CS_B0)); - writel(LPDDR2_CS_Bn_PAD, SIUL2_MSCRn(_DDR0_CS_B1)); - - for (i = _DDR0_DM0; i <= _DDR0_DM3; i++) - writel(LPDDR2_DMn_PAD, SIUL2_MSCRn(i)); - - for (i = _DDR0_DQS0; i <= _DDR0_DQS3; i++) - writel(LPDDR2_DQSn_PAD, SIUL2_MSCRn(i)); - - for (i = _DDR0_A0; i <= _DDR0_A9; i++) - writel(LPDDR2_An_PAD, SIUL2_MSCRn(i)); - - for (i = _DDR0_D0; i <= _DDR0_D31; i++) - writel(LPDDR2_Dn_PAD, SIUL2_MSCRn(i)); - break; - case DDR1: - writel(LPDDR2_CLK0_PAD, SIUL2_MSCRn(_DDR1_CLK0)); - - writel(LPDDR2_CKEn_PAD, SIUL2_MSCRn(_DDR1_CKE0)); - writel(LPDDR2_CKEn_PAD, SIUL2_MSCRn(_DDR1_CKE1)); - - writel(LPDDR2_CS_Bn_PAD, SIUL2_MSCRn(_DDR1_CS_B0)); - writel(LPDDR2_CS_Bn_PAD, SIUL2_MSCRn(_DDR1_CS_B1)); - - for (i = _DDR1_DM0; i <= _DDR1_DM3; i++) - writel(LPDDR2_DMn_PAD, SIUL2_MSCRn(i)); - - for (i = _DDR1_DQS0; i <= _DDR1_DQS3; i++) - writel(LPDDR2_DQSn_PAD, SIUL2_MSCRn(i)); - - for (i = _DDR1_A0; i <= _DDR1_A9; i++) - writel(LPDDR2_An_PAD, SIUL2_MSCRn(i)); - - for (i = _DDR1_D0; i <= _DDR1_D31; i++) - writel(LPDDR2_Dn_PAD, SIUL2_MSCRn(i)); - break; - } -} - -void config_mmdc(uint8_t module) -{ - unsigned long mmdc_addr = (module) ? MMDC1_BASE_ADDR : MMDC0_BASE_ADDR; - - writel(MMDC_MDSCR_CFG_VALUE, mmdc_addr + MMDC_MDSCR); - - writel(MMDC_MDCFG0_VALUE, mmdc_addr + MMDC_MDCFG0); - writel(MMDC_MDCFG1_VALUE, mmdc_addr + MMDC_MDCFG1); - writel(MMDC_MDCFG2_VALUE, mmdc_addr + MMDC_MDCFG2); - writel(MMDC_MDCFG3LP_VALUE, mmdc_addr + MMDC_MDCFG3LP); - writel(MMDC_MDOTC_VALUE, mmdc_addr + MMDC_MDOTC); - writel(MMDC_MDMISC_VALUE, mmdc_addr + MMDC_MDMISC); - writel(MMDC_MDOR_VALUE, mmdc_addr + MMDC_MDOR); - writel(_MDCTL, mmdc_addr + MMDC_MDCTL); - - writel(MMDC_MPMUR0_VALUE, mmdc_addr + MMDC_MPMUR0); - - while (readl(mmdc_addr + MMDC_MPMUR0) & MMDC_MPMUR0_FRC_MSR) { - } - - writel(MMDC_MDSCR_RST_VALUE, mmdc_addr + MMDC_MDSCR); - - /* Perform ZQ calibration */ - writel(MMDC_MPZQLP2CTL_VALUE, mmdc_addr + MMDC_MPZQLP2CTL); - writel(MMDC_MPZQHWCTRL_VALUE, mmdc_addr + MMDC_MPZQHWCTRL); - while (readl(mmdc_addr + MMDC_MPZQHWCTRL) & MMDC_MPZQHWCTRL_ZQ_HW_FOR) { - } - - /* Enable MMDC with CS0 */ - writel(_MDCTL + 0x80000000, mmdc_addr + MMDC_MDCTL); - - /* Complete the initialization sequence as defined by JEDEC */ - writel(MMDC_MDSCR_MR1_VALUE, mmdc_addr + MMDC_MDSCR); - writel(MMDC_MDSCR_MR2_VALUE, mmdc_addr + MMDC_MDSCR); - writel(MMDC_MDSCR_MR3_VALUE, mmdc_addr + MMDC_MDSCR); - writel(MMDC_MDSCR_MR10_VALUE, mmdc_addr + MMDC_MDSCR); - - /* Set the amount of DRAM */ - /* Set DQS settings based on board type */ - - switch (module) { - case MMDC0: - writel(MMDC_MDASP_MODULE0_VALUE, mmdc_addr + MMDC_MDASP); - writel(MMDC_MPRDDLCTL_MODULE0_VALUE, - mmdc_addr + MMDC_MPRDDLCTL); - writel(MMDC_MPWRDLCTL_MODULE0_VALUE, - mmdc_addr + MMDC_MPWRDLCTL); - writel(MMDC_MPDGCTRL0_MODULE0_VALUE, - mmdc_addr + MMDC_MPDGCTRL0); - writel(MMDC_MPDGCTRL1_MODULE0_VALUE, - mmdc_addr + MMDC_MPDGCTRL1); - break; - case MMDC1: - writel(MMDC_MDASP_MODULE1_VALUE, mmdc_addr + MMDC_MDASP); - writel(MMDC_MPRDDLCTL_MODULE1_VALUE, - mmdc_addr + MMDC_MPRDDLCTL); - writel(MMDC_MPWRDLCTL_MODULE1_VALUE, - mmdc_addr + MMDC_MPWRDLCTL); - writel(MMDC_MPDGCTRL0_MODULE1_VALUE, - mmdc_addr + MMDC_MPDGCTRL0); - writel(MMDC_MPDGCTRL1_MODULE1_VALUE, - mmdc_addr + MMDC_MPDGCTRL1); - break; - } - - writel(MMDC_MDRWD_VALUE, mmdc_addr + MMDC_MDRWD); - writel(MMDC_MDPDC_VALUE, mmdc_addr + MMDC_MDPDC); - writel(MMDC_MDREF_VALUE, mmdc_addr + MMDC_MDREF); - writel(MMDC_MPODTCTRL_VALUE, mmdc_addr + MMDC_MPODTCTRL); - writel(MMDC_MDSCR_DEASSERT_VALUE, mmdc_addr + MMDC_MDSCR); - -} |