From 971f2ba21a6fb8b2b7d4696b6c4ca43bda20d366 Mon Sep 17 00:00:00 2001 From: SRICHARAN R Date: Mon, 12 Mar 2012 02:25:45 +0000 Subject: OMAP5: ddr: Change the ddr device name. The ddr part name used in OMAP5 ES1.0 soc is a SAMSUNG part and not a ELPIDA part. So change this. Signed-off-by: R Sricharan --- arch/arm/cpu/armv7/omap5/sdram_elpida.c | 221 -------------------------------- 1 file changed, 221 deletions(-) delete mode 100644 arch/arm/cpu/armv7/omap5/sdram_elpida.c (limited to 'arch/arm/cpu/armv7/omap5/sdram_elpida.c') diff --git a/arch/arm/cpu/armv7/omap5/sdram_elpida.c b/arch/arm/cpu/armv7/omap5/sdram_elpida.c deleted file mode 100644 index 85805b8ddf..0000000000 --- a/arch/arm/cpu/armv7/omap5/sdram_elpida.c +++ /dev/null @@ -1,221 +0,0 @@ -/* - * Timing and Organization details of the Elpida parts used in OMAP5 - * EVM - * - * (C) Copyright 2010 - * Texas Instruments, - * - * Aneesh V - * Sricharan R - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * 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 -#include - -/* - * This file provides details of the LPDDR2 SDRAM parts used on OMAP5 - * EVM. Since the parts used and geometry are identical for - * evm for a given OMAP5 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 OMAP5 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_532_mhz_2cs = { - .sdram_config_init = 0x80800EBA, - .sdram_config = 0x808022BA, - .ref_ctrl = 0x0000081A, - .sdram_tim1 = 0x772F6873, - .sdram_tim2 = 0x304a129a, - .sdram_tim3 = 0x02f7e45f, - .read_idle_ctrl = 0x00050000, - .zq_config = 0x000b3215, - .temp_alert_config = 0x08000a05, - .emif_ddr_phy_ctlr_1_init = 0x0E28420d, - .emif_ddr_phy_ctlr_1 = 0x0E28420d, - .emif_ddr_ext_phy_ctrl_1 = 0x04020080, - .emif_ddr_ext_phy_ctrl_2 = 0x28C518A3, - .emif_ddr_ext_phy_ctrl_3 = 0x518A3146, - .emif_ddr_ext_phy_ctrl_4 = 0x0014628C, - .emif_ddr_ext_phy_ctrl_5 = 0x04010040 -}; - -const struct emif_regs emif_regs_elpida_266_mhz_2cs = { - .sdram_config_init = 0x80800EBA, - .sdram_config = 0x808022BA, - .ref_ctrl = 0x0000040D, - .sdram_tim1 = 0x2A86B419, - .sdram_tim2 = 0x1025094A, - .sdram_tim3 = 0x026BA22F, - .read_idle_ctrl = 0x00050000, - .zq_config = 0x000b3215, - .temp_alert_config = 0x08000a05, - .emif_ddr_phy_ctlr_1_init = 0x0E28420d, - .emif_ddr_phy_ctlr_1 = 0x0E28420d, - .emif_ddr_ext_phy_ctrl_1 = 0x04020080, - .emif_ddr_ext_phy_ctrl_2 = 0x0A414829, - .emif_ddr_ext_phy_ctrl_3 = 0x14829052, - .emif_ddr_ext_phy_ctrl_4 = 0x000520A4, - .emif_ddr_ext_phy_ctrl_5 = 0x04010040 -}; - -const struct dmm_lisa_map_regs lisa_map_4G_x_2_x_2 = { - .dmm_lisa_map_0 = 0x0, - .dmm_lisa_map_1 = 0, - .dmm_lisa_map_2 = 0, - .dmm_lisa_map_3 = 0x80740300 -}; - -const u32 ext_phy_ctrl_const_base[EMIF_EXT_PHY_CTRL_CONST_REG] = { - 0x01004010, - 0x00001004, - 0x04010040, - 0x01004010, - 0x00001004, - 0x00000000, - 0x00000000, - 0x00000000, - 0x80080080, - 0x00800800, - 0x08102040, - 0x00000001, - 0x540A8150, - 0xA81502a0, - 0x002A0540, - 0x00000000, - 0x00000000, - 0x00000000, - 0x00000077 -}; - -static void emif_get_reg_dump_sdp(u32 emif_nr, const struct emif_regs **regs) -{ - *regs = &emif_regs_elpida_532_mhz_2cs; -} -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) -{ - *dmm_lisa_regs = &lisa_map_4G_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 - -static 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 -}; - -static void emif_get_device_details_sdp(u32 emif_nr, - struct lpddr2_device_details *cs0_device_details, - struct lpddr2_device_details *cs1_device_details) -{ - /* EMIF1 & EMIF2 have identical configuration */ - *cs0_device_details = elpida_4G_S4_details; - *cs1_device_details = elpida_4G_S4_details; -} - -void emif_get_device_details(u32 emif_nr, - struct lpddr2_device_details *cs0_device_details, - struct lpddr2_device_details *cs1_device_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_jedec_532_mhz = { - .max_freq = 532000000, - .RL = 8, - .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_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_jedec_532_mhz -}; - -static const struct lpddr2_device_timings elpida_4G_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) -{ - /* Identical devices on EMIF1 & EMIF2 */ - *cs0_device_timings = &elpida_4G_S4_timings; - *cs1_device_timings = &elpida_4G_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 */ -- cgit