From: Paul Walmsley Date: Tue, 8 Jul 2008 02:55:08 +0000 (-0600) Subject: OMAP2 SDRC: add timing data for Qimonda HYB18M512160AF-6 X-Git-Tag: v2.6.26-omap1~30 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=2a1ce26e66884454283ec87350dc03dffa858a6a;p=linux-2.6-omap-h63xx.git OMAP2 SDRC: add timing data for Qimonda HYB18M512160AF-6 Add timing data for the Qimonda HYB18M512160AF-6 SDRAM chip, used on the OMAP3430SDP boards. Thanks to Rajendra Nayak for his help identifying the chip used on 3430SDP. Signed-off-by: Paul Walmsley Signed-off-by: Tony Lindgren --- diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c index 19549d7f872..3d791bc8857 100644 --- a/arch/arm/mach-omap2/board-3430sdp.c +++ b/arch/arm/mach-omap2/board-3430sdp.c @@ -44,6 +44,8 @@ #include #include +#include "sdram-qimonda-hyb18m512160af-6.h" + #define SDP3430_SMC91X_CS 3 #define ENABLE_VAUX3_DEDICATED 0x03 @@ -248,7 +250,7 @@ static inline void __init sdp3430_init_smc91x(void) static void __init omap_3430sdp_init_irq(void) { - omap2_init_common_hw(NULL); + omap2_init_common_hw(hyb18m512160af6_sdrc_params); omap_init_irq(); omap_gpio_init(); sdp3430_init_smc91x(); diff --git a/arch/arm/mach-omap2/sdram-qimonda-hyb18m512160af-6.h b/arch/arm/mach-omap2/sdram-qimonda-hyb18m512160af-6.h new file mode 100644 index 00000000000..c932a6d2eb9 --- /dev/null +++ b/arch/arm/mach-omap2/sdram-qimonda-hyb18m512160af-6.h @@ -0,0 +1,55 @@ +/* + * SDRC register values for the Qimonda HYB18M512160AF-6 + * + * Copyright (C) 2008 Texas Instruments, Inc. + * Copyright (C) 2008 Nokia Corporation + * + * Paul Walmsley + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef ARCH_ARM_MACH_OMAP2_SDRAM_QIMONDA_HYB18M512160AF6 +#define ARCH_ARM_MACH_OMAP2_SDRAM_QIMONDA_HYB18M512160AF6 + +#include + +/* Qimonda HYB18M512160AF-6 */ +/* XXX Using ARE = 0x1 (no autorefresh burst) -- can this be changed? */ +static struct omap_sdrc_params hyb18m512160af6_sdrc_params[] = { + [0] = { + .rate = 165941176, + .actim_ctrla = 0x629db4c6, + .actim_ctrlb = 0x00012214, + .rfr_ctrl = 0x0004dc01, + .mr = 0x00000032, + }, + [1] = { + .rate = 133333333, + .actim_ctrla = 0x5219b485, + .actim_ctrlb = 0x00012210, + .rfr_ctrl = 0x0003de01, + .mr = 0x00000032, + }, + [2] = { + .rate = 82970588, + .actim_ctrla = 0x31512283, + .actim_ctrlb = 0x0001220a, + .rfr_ctrl = 0x00025501, + .mr = 0x00000022, + }, + [3] = { + .rate = 66666666, + .actim_ctrla = 0x290d2243, + .actim_ctrlb = 0x00012208, + .rfr_ctrl = 0x0001d601, + .mr = 0x00000022, + }, + [4] = { + .rate = 0 + }, +}; + +#endif