diff options
Diffstat (limited to 'arch/arm/cpu/armv7/omap4/sdram_elpida.c')
-rw-r--r-- | arch/arm/cpu/armv7/omap4/sdram_elpida.c | 324 |
1 files changed, 0 insertions, 324 deletions
diff --git a/arch/arm/cpu/armv7/omap4/sdram_elpida.c b/arch/arm/cpu/armv7/omap4/sdram_elpida.c deleted file mode 100644 index 78b4f09ce2..0000000000 --- a/arch/arm/cpu/armv7/omap4/sdram_elpida.c +++ /dev/null @@ -1,324 +0,0 @@ -/* - * Timing and Organization details of the Elpida parts used in OMAP4 - * SDPs and Panda - * - * (C) Copyright 2010 - * Texas Instruments, <www.ti.com> - * - * Aneesh V <aneesh@ti.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <asm/emif.h> -#include <asm/arch/sys_proto.h> - -/* - * This file provides details of the LPDDR2 SDRAM parts used on OMAP4430 - * SDP and Panda. Since the parts used and geometry are identical for - * SDP and Panda for a given OMAP4 revision, this information is kept - * here instead of being in board directory. However the key functions - * exported are weakly linked so that they can be over-ridden in the board - * directory if there is a OMAP4 board in the future that uses a different - * memory device or geometry. - * - * For any new board with different memory devices over-ride one or more - * of the following functions as per the CONFIG flags you intend to enable: - * - emif_get_reg_dump() - * - emif_get_dmm_regs() - * - emif_get_device_details() - * - emif_get_device_timings() - */ - -#ifdef CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS - -const struct emif_regs emif_regs_elpida_200_mhz_2cs = { - .sdram_config_init = 0x80000eb9, - .sdram_config = 0x80001ab9, - .ref_ctrl = 0x0000030c, - .sdram_tim1 = 0x08648311, - .sdram_tim2 = 0x101b06ca, - .sdram_tim3 = 0x0048a19f, - .read_idle_ctrl = 0x000501ff, - .zq_config = 0x500b3214, - .temp_alert_config = 0xd8016893, - .emif_ddr_phy_ctlr_1_init = 0x049ffff5, - .emif_ddr_phy_ctlr_1 = 0x049ff808 -}; - -const struct emif_regs emif_regs_elpida_380_mhz_1cs = { - .sdram_config_init = 0x80000eb1, - .sdram_config = 0x80001ab1, - .ref_ctrl = 0x000005cd, - .sdram_tim1 = 0x10cb0622, - .sdram_tim2 = 0x20350d52, - .sdram_tim3 = 0x00b1431f, - .read_idle_ctrl = 0x000501ff, - .zq_config = 0x500b3214, - .temp_alert_config = 0x58016893, - .emif_ddr_phy_ctlr_1_init = 0x049ffff5, - .emif_ddr_phy_ctlr_1 = 0x049ff418 -}; - -const struct emif_regs emif_regs_elpida_400_mhz_1cs = { - .sdram_config_init = 0x80800eb2, - .sdram_config = 0x80801ab2, - .ref_ctrl = 0x00000618, - .sdram_tim1 = 0x10eb0662, - .sdram_tim2 = 0x20370dd2, - .sdram_tim3 = 0x00b1c33f, - .read_idle_ctrl = 0x000501ff, - .zq_config = 0x500b3215, - .temp_alert_config = 0x58016893, - .emif_ddr_phy_ctlr_1_init = 0x049ffff5, - .emif_ddr_phy_ctlr_1 = 0x049ff418 -}; - -const struct emif_regs emif_regs_elpida_400_mhz_2cs = { - .sdram_config_init = 0x80000eb9, - .sdram_config = 0x80001ab9, - .ref_ctrl = 0x00000618, - .sdram_tim1 = 0x10eb0662, - .sdram_tim2 = 0x20370dd2, - .sdram_tim3 = 0x00b1c33f, - .read_idle_ctrl = 0x000501ff, - .zq_config = 0xd00b3214, - .temp_alert_config = 0xd8016893, - .emif_ddr_phy_ctlr_1_init = 0x049ffff5, - .emif_ddr_phy_ctlr_1 = 0x049ff418 -}; - -const struct dmm_lisa_map_regs lisa_map_2G_x_1_x_2 = { - .dmm_lisa_map_0 = 0xFF020100, - .dmm_lisa_map_1 = 0, - .dmm_lisa_map_2 = 0, - .dmm_lisa_map_3 = 0x80540300, - .is_ma_present = 0x0 -}; - -const struct dmm_lisa_map_regs lisa_map_2G_x_2_x_2 = { - .dmm_lisa_map_0 = 0xFF020100, - .dmm_lisa_map_1 = 0, - .dmm_lisa_map_2 = 0, - .dmm_lisa_map_3 = 0x80640300, - .is_ma_present = 0x0 -}; - -const struct dmm_lisa_map_regs ma_lisa_map_2G_x_2_x_2 = { - .dmm_lisa_map_0 = 0xFF020100, - .dmm_lisa_map_1 = 0, - .dmm_lisa_map_2 = 0, - .dmm_lisa_map_3 = 0x80640300, - .is_ma_present = 0x1 -}; - -static void emif_get_reg_dump_sdp(u32 emif_nr, const struct emif_regs **regs) -{ - u32 omap4_rev = omap_revision(); - - /* Same devices and geometry on both EMIFs */ - if (omap4_rev == OMAP4430_ES1_0) - *regs = &emif_regs_elpida_380_mhz_1cs; - else if (omap4_rev == OMAP4430_ES2_0) - *regs = &emif_regs_elpida_200_mhz_2cs; - else if (omap4_rev < OMAP4470_ES1_0) - *regs = &emif_regs_elpida_400_mhz_2cs; - else - *regs = &emif_regs_elpida_400_mhz_1cs; -} -void emif_get_reg_dump(u32 emif_nr, const struct emif_regs **regs) - __attribute__((weak, alias("emif_get_reg_dump_sdp"))); - -static void emif_get_dmm_regs_sdp(const struct dmm_lisa_map_regs - **dmm_lisa_regs) -{ - u32 omap_rev = omap_revision(); - - if (omap_rev == OMAP4430_ES1_0) - *dmm_lisa_regs = &lisa_map_2G_x_1_x_2; - else if (omap_rev < OMAP4460_ES1_0) - *dmm_lisa_regs = &lisa_map_2G_x_2_x_2; - else - *dmm_lisa_regs = &ma_lisa_map_2G_x_2_x_2; -} - -void emif_get_dmm_regs(const struct dmm_lisa_map_regs **dmm_lisa_regs) - __attribute__((weak, alias("emif_get_dmm_regs_sdp"))); - -#else - -const struct lpddr2_device_details elpida_2G_S4_details = { - .type = LPDDR2_TYPE_S4, - .density = LPDDR2_DENSITY_2Gb, - .io_width = LPDDR2_IO_WIDTH_32, - .manufacturer = LPDDR2_MANUFACTURER_ELPIDA -}; - -const struct lpddr2_device_details elpida_4G_S4_details = { - .type = LPDDR2_TYPE_S4, - .density = LPDDR2_DENSITY_4Gb, - .io_width = LPDDR2_IO_WIDTH_32, - .manufacturer = LPDDR2_MANUFACTURER_ELPIDA -}; - -struct lpddr2_device_details *emif_get_device_details_sdp(u32 emif_nr, u8 cs, - struct lpddr2_device_details *lpddr2_dev_details) -{ - u32 omap_rev = omap_revision(); - - /* EMIF1 & EMIF2 have identical configuration */ - if (((omap_rev == OMAP4430_ES1_0) || (omap_rev == OMAP4470_ES1_0)) - && (cs == CS1)) { - /* Nothing connected on CS1 for 4430/4470 ES1.0 */ - return NULL; - } else if (omap_rev < OMAP4470_ES1_0) { - /* In all other 4430/4460 cases Elpida 2G device */ - *lpddr2_dev_details = elpida_2G_S4_details; - } else { - /* 4470: 4G device */ - *lpddr2_dev_details = elpida_4G_S4_details; - } - return lpddr2_dev_details; -} - -struct lpddr2_device_details *emif_get_device_details(u32 emif_nr, u8 cs, - struct lpddr2_device_details *lpddr2_dev_details) - __attribute__((weak, alias("emif_get_device_details_sdp"))); - -#endif /* CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS */ - -#ifndef CONFIG_SYS_DEFAULT_LPDDR2_TIMINGS -static const struct lpddr2_ac_timings timings_elpida_400_mhz = { - .max_freq = 400000000, - .RL = 6, - .tRPab = 21, - .tRCD = 18, - .tWR = 15, - .tRASmin = 42, - .tRRD = 10, - .tWTRx2 = 15, - .tXSR = 140, - .tXPx2 = 15, - .tRFCab = 130, - .tRTPx2 = 15, - .tCKE = 3, - .tCKESR = 15, - .tZQCS = 90, - .tZQCL = 360, - .tZQINIT = 1000, - .tDQSCKMAXx2 = 11, - .tRASmax = 70, - .tFAW = 50 -}; - -static const struct lpddr2_ac_timings timings_elpida_333_mhz = { - .max_freq = 333000000, - .RL = 5, - .tRPab = 21, - .tRCD = 18, - .tWR = 15, - .tRASmin = 42, - .tRRD = 10, - .tWTRx2 = 15, - .tXSR = 140, - .tXPx2 = 15, - .tRFCab = 130, - .tRTPx2 = 15, - .tCKE = 3, - .tCKESR = 15, - .tZQCS = 90, - .tZQCL = 360, - .tZQINIT = 1000, - .tDQSCKMAXx2 = 11, - .tRASmax = 70, - .tFAW = 50 -}; - -static const struct lpddr2_ac_timings timings_elpida_200_mhz = { - .max_freq = 200000000, - .RL = 3, - .tRPab = 21, - .tRCD = 18, - .tWR = 15, - .tRASmin = 42, - .tRRD = 10, - .tWTRx2 = 20, - .tXSR = 140, - .tXPx2 = 15, - .tRFCab = 130, - .tRTPx2 = 15, - .tCKE = 3, - .tCKESR = 15, - .tZQCS = 90, - .tZQCL = 360, - .tZQINIT = 1000, - .tDQSCKMAXx2 = 11, - .tRASmax = 70, - .tFAW = 50 -}; - -static const struct lpddr2_min_tck min_tck_elpida = { - .tRL = 3, - .tRP_AB = 3, - .tRCD = 3, - .tWR = 3, - .tRAS_MIN = 3, - .tRRD = 2, - .tWTR = 2, - .tXP = 2, - .tRTP = 2, - .tCKE = 3, - .tCKESR = 3, - .tFAW = 8 -}; - -static const struct lpddr2_ac_timings *elpida_ac_timings[MAX_NUM_SPEEDBINS] = { - &timings_elpida_200_mhz, - &timings_elpida_333_mhz, - &timings_elpida_400_mhz -}; - -const struct lpddr2_device_timings elpida_2G_S4_timings = { - .ac_timings = elpida_ac_timings, - .min_tck = &min_tck_elpida, -}; - -void emif_get_device_timings_sdp(u32 emif_nr, - const struct lpddr2_device_timings **cs0_device_timings, - const struct lpddr2_device_timings **cs1_device_timings) -{ - u32 omap_rev = omap_revision(); - - /* Identical devices on EMIF1 & EMIF2 */ - *cs0_device_timings = &elpida_2G_S4_timings; - - if ((omap_rev == OMAP4430_ES1_0) || (omap_rev == OMAP4470_ES1_0)) - *cs1_device_timings = NULL; - else - *cs1_device_timings = &elpida_2G_S4_timings; -} - -void emif_get_device_timings(u32 emif_nr, - const struct lpddr2_device_timings **cs0_device_timings, - const struct lpddr2_device_timings **cs1_device_timings) - __attribute__((weak, alias("emif_get_device_timings_sdp"))); - -#endif /* CONFIG_SYS_DEFAULT_LPDDR2_TIMINGS */ - -const struct lpddr2_mr_regs mr_regs = { - .mr1 = MR1_BL_8_BT_SEQ_WRAP_EN_NWR_3, - .mr2 = 0x4, - .mr3 = -1, - .mr10 = MR10_ZQ_ZQINIT, - .mr16 = MR16_REF_FULL_ARRAY -}; - -void get_lpddr2_mr_regs(const struct lpddr2_mr_regs **regs) -{ - *regs = &mr_regs; -} - -__weak const struct read_write_regs *get_bug_regs(u32 *iterations) -{ - return 0; -} |