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x86: baytrail: Use macros instead of magic numbers for FSP settings

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Introduce various meaningful macros for FSP settings and switch over
to use them instead of magic numbers.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
master
Bin Meng 7 years ago
parent 6702488cfa
commit 5e74e5a682
8 changed files with 181 additions and 124 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 35
      arch/x86/cpu/baytrail/fsp_configs.c
  2. 17
      arch/x86/dts/bayleybay.dts
  3. 15
      arch/x86/dts/baytrail_som-db5800-som-6867.dts
  4. 29
      arch/x86/dts/conga-qeval20-qa3-e3845.dts
  5. 29
      arch/x86/dts/dfi-bt700.dtsi
  6. 29
      arch/x86/dts/minnowmax.dts
  7. 77
      arch/x86/include/asm/arch-baytrail/fsp/fsp_configs.h
  8. 74
      doc/device-tree-bindings/misc/intel,baytrail-fsp.txt

35
arch/x86/cpu/baytrail/fsp_configs.c
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@ -148,10 +148,10 @@ void update_fsp_configs(struct fsp_config_data *config,
fsp_upd->mrc_init_tseg_size = fdtdec_get_int(blob, node,
"fsp,mrc-init-tseg-size",
1);
MRC_INIT_TSEG_SIZE_1MB);
fsp_upd->mrc_init_mmio_size = fdtdec_get_int(blob, node,
"fsp,mrc-init-mmio-size",
0x800);
MRC_INIT_MMIO_SIZE_2048MB);
fsp_upd->mrc_init_spd_addr1 = fdtdec_get_int(blob, node,
"fsp,mrc-init-spd-addr1",
0xa0);
@ -159,7 +159,8 @@ void update_fsp_configs(struct fsp_config_data *config,
"fsp,mrc-init-spd-addr2",
0xa2);
fsp_upd->emmc_boot_mode = fdtdec_get_int(blob, node,
"fsp,emmc-boot-mode", 2);
"fsp,emmc-boot-mode",
EMMC_BOOT_MODE_EMMC41);
fsp_upd->enable_sdio = fdtdec_get_bool(blob, node, "fsp,enable-sdio");
fsp_upd->enable_sdcard = fdtdec_get_bool(blob, node,
"fsp,enable-sdcard");
@ -169,7 +170,8 @@ void update_fsp_configs(struct fsp_config_data *config,
"fsp,enable-hsuart1");
fsp_upd->enable_spi = fdtdec_get_bool(blob, node, "fsp,enable-spi");
fsp_upd->enable_sata = fdtdec_get_bool(blob, node, "fsp,enable-sata");
fsp_upd->sata_mode = fdtdec_get_int(blob, node, "fsp,sata-mode", 1);
fsp_upd->sata_mode = fdtdec_get_int(blob, node, "fsp,sata-mode",
SATA_MODE_AHCI);
fsp_upd->enable_azalia = fdtdec_get_bool(blob, node,
"fsp,enable-azalia");
fsp_upd->enable_xhci = fdtdec_get_bool(blob, node, "fsp,enable-xhci");
@ -189,10 +191,11 @@ void update_fsp_configs(struct fsp_config_data *config,
fsp_upd->enable_pwm1 = fdtdec_get_bool(blob, node, "fsp,enable-pwm1");
fsp_upd->enable_hsi = fdtdec_get_bool(blob, node, "fsp,enable-hsi");
fsp_upd->igd_dvmt50_pre_alloc = fdtdec_get_int(blob, node,
"fsp,igd-dvmt50-pre-alloc", 2);
"fsp,igd-dvmt50-pre-alloc", IGD_DVMT50_PRE_ALLOC_64MB);
fsp_upd->aperture_size = fdtdec_get_int(blob, node, "fsp,aperture-size",
2);
fsp_upd->gtt_size = fdtdec_get_int(blob, node, "fsp,gtt-size", 2);
APERTURE_SIZE_256MB);
fsp_upd->gtt_size = fdtdec_get_int(blob, node, "fsp,gtt-size",
GTT_SIZE_2MB);
fsp_upd->mrc_debug_msg = fdtdec_get_bool(blob, node,
"fsp,mrc-debug-msg");
fsp_upd->isp_enable = fdtdec_get_bool(blob, node, "fsp,isp-enable");
@ -203,7 +206,7 @@ void update_fsp_configs(struct fsp_config_data *config,
fsp_upd->txe_uma_enable = fdtdec_get_bool(blob, node,
"fsp,txe-uma-enable");
fsp_upd->os_selection = fdtdec_get_int(blob, node, "fsp,os-selection",
4);
OS_SELECTION_LINUX);
fsp_upd->emmc45_ddr50_enabled = fdtdec_get_bool(blob, node,
"fsp,emmc45-ddr50-enabled");
fsp_upd->emmc45_hs200_enabled = fdtdec_get_bool(blob, node,
@ -224,30 +227,32 @@ void update_fsp_configs(struct fsp_config_data *config,
} else {
mem->dram_speed = fdtdec_get_int(blob, node,
"fsp,dram-speed",
0x02);
DRAM_SPEED_1333MTS);
mem->dram_type = fdtdec_get_int(blob, node,
"fsp,dram-type", 0x01);
"fsp,dram-type",
DRAM_TYPE_DDR3L);
mem->dimm_0_enable = fdtdec_get_bool(blob, node,
"fsp,dimm-0-enable");
mem->dimm_1_enable = fdtdec_get_bool(blob, node,
"fsp,dimm-1-enable");
mem->dimm_width = fdtdec_get_int(blob, node,
"fsp,dimm-width",
0x00);
DIMM_WIDTH_X8);
mem->dimm_density = fdtdec_get_int(blob, node,
"fsp,dimm-density",
0x01);
DIMM_DENSITY_2GBIT);
mem->dimm_bus_width = fdtdec_get_int(blob, node,
"fsp,dimm-bus-width", 0x03);
"fsp,dimm-bus-width",
DIMM_BUS_WIDTH_64BITS);
mem->dimm_sides = fdtdec_get_int(blob, node,
"fsp,dimm-sides",
0x00);
DIMM_SIDES_1RANKS);
mem->dimm_tcl = fdtdec_get_int(blob, node,
"fsp,dimm-tcl", 0x09);
mem->dimm_trpt_rcd = fdtdec_get_int(blob, node,
"fsp,dimm-trpt-rcd", 0x09);
mem->dimm_twr = fdtdec_get_int(blob, node,
"fsp,dimm-twr", 0x0A);
"fsp,dimm-twr", 0x0a);
mem->dimm_twtr = fdtdec_get_int(blob, node,
"fsp,dimm-twtr", 0x05);
mem->dimm_trrd = fdtdec_get_int(blob, node,

17
arch/x86/dts/bayleybay.dts
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@ -6,6 +6,7 @@
/dts-v1/;
#include <asm/arch-baytrail/fsp/fsp_configs.h>
#include <dt-bindings/gpio/x86-gpio.h>
#include <dt-bindings/interrupt-router/intel-irq.h>
@ -236,17 +237,17 @@
fsp {
compatible = "intel,baytrail-fsp";
fsp,mrc-init-tseg-size = <1>;
fsp,mrc-init-mmio-size = <0x800>;
fsp,mrc-init-tseg-size = <MRC_INIT_TSEG_SIZE_1MB>;
fsp,mrc-init-mmio-size = <MRC_INIT_MMIO_SIZE_2048MB>;
fsp,mrc-init-spd-addr1 = <0xa0>;
fsp,mrc-init-spd-addr2 = <0xa2>;
fsp,emmc-boot-mode = <1>;
fsp,emmc-boot-mode = <EMMC_BOOT_MODE_AUTO>;
fsp,enable-sdio;
fsp,enable-sdcard;
fsp,enable-hsuart1;
fsp,enable-spi;
fsp,enable-sata;
fsp,sata-mode = <1>;
fsp,sata-mode = <SATA_MODE_AHCI>;
fsp,enable-lpe;
fsp,lpss-sio-enable-pci-mode;
fsp,enable-dma0;
@ -260,11 +261,11 @@
fsp,enable-i2c6;
fsp,enable-pwm0;
fsp,enable-pwm1;
fsp,igd-dvmt50-pre-alloc = <2>;
fsp,aperture-size = <2>;
fsp,gtt-size = <2>;
fsp,igd-dvmt50-pre-alloc = <IGD_DVMT50_PRE_ALLOC_64MB>;
fsp,aperture-size = <APERTURE_SIZE_256MB>;
fsp,gtt-size = <GTT_SIZE_2MB>;
fsp,scc-enable-pci-mode;
fsp,os-selection = <4>;
fsp,os-selection = <OS_SELECTION_LINUX>;
fsp,emmc45-ddr50-enabled;
fsp,emmc45-retune-timer-value = <8>;
fsp,enable-igd;

15
arch/x86/dts/baytrail_som-db5800-som-6867.dts
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@ -7,6 +7,7 @@
/dts-v1/;
#include <asm/arch-baytrail/fsp/fsp_configs.h>
#include <dt-bindings/gpio/x86-gpio.h>
#include <dt-bindings/interrupt-router/intel-irq.h>
@ -259,13 +260,13 @@
fsp {
compatible = "intel,baytrail-fsp";
fsp,mrc-init-tseg-size = <1>;
fsp,mrc-init-mmio-size = <0x800>;
fsp,mrc-init-tseg-size = <MRC_INIT_TSEG_SIZE_1MB>;
fsp,mrc-init-mmio-size = <MRC_INIT_MMIO_SIZE_2048MB>;
fsp,mrc-init-spd-addr1 = <0xa0>;
fsp,mrc-init-spd-addr2 = <0xa2>;
fsp,enable-spi;
fsp,enable-sata;
fsp,sata-mode = <1>;
fsp,sata-mode = <SATA_MODE_AHCI>;
fsp,enable-azalia;
fsp,lpss-sio-enable-pci-mode;
fsp,enable-dma0;
@ -279,11 +280,11 @@
fsp,enable-i2c6;
fsp,enable-pwm0;
fsp,enable-pwm1;
fsp,igd-dvmt50-pre-alloc = <2>;
fsp,aperture-size = <2>;
fsp,gtt-size = <2>;
fsp,igd-dvmt50-pre-alloc = <IGD_DVMT50_PRE_ALLOC_64MB>;
fsp,aperture-size = <APERTURE_SIZE_256MB>;
fsp,gtt-size = <GTT_SIZE_2MB>;
fsp,scc-enable-pci-mode;
fsp,os-selection = <4>;
fsp,os-selection = <OS_SELECTION_LINUX>;
fsp,enable-igd;
};

29
arch/x86/dts/conga-qeval20-qa3-e3845.dts
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@ -7,6 +7,7 @@
/dts-v1/;
#include <asm/arch-baytrail/fsp/fsp_configs.h>
#include <dt-bindings/gpio/x86-gpio.h>
#include <dt-bindings/interrupt-router/intel-irq.h>
@ -246,42 +247,42 @@
fsp {
compatible = "intel,baytrail-fsp";
fsp,mrc-init-tseg-size = <1>;
fsp,mrc-init-mmio-size = <0x800>;
fsp,mrc-init-tseg-size = <MRC_INIT_TSEG_SIZE_1MB>;
fsp,mrc-init-mmio-size = <MRC_INIT_MMIO_SIZE_2048MB>;
fsp,mrc-init-spd-addr1 = <0xa0>;
fsp,mrc-init-spd-addr2 = <0xa2>;
fsp,emmc-boot-mode = <1>;
fsp,emmc-boot-mode = <EMMC_BOOT_MODE_AUTO>;
fsp,enable-sdio;
fsp,enable-sdcard;
fsp,enable-hsuart1;
fsp,enable-spi;
fsp,enable-sata;
fsp,sata-mode = <1>;
fsp,sata-mode = <SATA_MODE_AHCI>;
fsp,enable-lpe;
fsp,lpss-sio-enable-pci-mode;
fsp,enable-dma0;
fsp,enable-dma1;
fsp,enable-pwm0;
fsp,enable-pwm1;
fsp,igd-dvmt50-pre-alloc = <2>;
fsp,aperture-size = <2>;
fsp,gtt-size = <2>;
fsp,igd-dvmt50-pre-alloc = <IGD_DVMT50_PRE_ALLOC_64MB>;
fsp,aperture-size = <APERTURE_SIZE_256MB>;
fsp,gtt-size = <GTT_SIZE_2MB>;
fsp,scc-enable-pci-mode;
fsp,os-selection = <4>;
fsp,os-selection = <OS_SELECTION_LINUX>;
fsp,emmc45-ddr50-enabled;
fsp,emmc45-retune-timer-value = <8>;
fsp,enable-igd;
fsp,enable-memory-down;
fsp,memory-down-params {
compatible = "intel,baytrail-fsp-mdp";
fsp,dram-speed = <2>; /* 2=1333MHz */
fsp,dram-type = <1>; /* 1=DDR3L */
fsp,dram-speed = <DRAM_SPEED_1333MTS>;
fsp,dram-type = <DRAM_TYPE_DDR3L>;
fsp,dimm-0-enable;
fsp,dimm-1-enable;
fsp,dimm-width = <1>; /* 1=x16, 2=x32 */
fsp,dimm-density = <2>; /* 2=4Gbit */
fsp,dimm-bus-width = <3>; /* 3=64bits */
fsp,dimm-sides = <0>; /* 0=1 ranks -> 0x2b */
fsp,dimm-width = <DIMM_WIDTH_X16>;
fsp,dimm-density = <DIMM_DENSITY_4GBIT>;
fsp,dimm-bus-width = <DIMM_BUS_WIDTH_64BITS>;
fsp,dimm-sides = <DIMM_SIDES_1RANKS>;
/* These following values might need a re-visit */
fsp,dimm-tcl = <8>;

29
arch/x86/dts/dfi-bt700.dtsi
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@ -5,6 +5,7 @@
* SPDX-License-Identifier: GPL-2.0+
*/
#include <asm/arch-baytrail/fsp/fsp_configs.h>
#include <dt-bindings/gpio/x86-gpio.h>
#include <dt-bindings/interrupt-router/intel-irq.h>
@ -248,18 +249,18 @@
fsp {
compatible = "intel,baytrail-fsp";
fsp,mrc-init-tseg-size = <1>;
fsp,mrc-init-mmio-size = <0x800>;
fsp,mrc-init-tseg-size = <MRC_INIT_TSEG_SIZE_1MB>;
fsp,mrc-init-mmio-size = <MRC_INIT_MMIO_SIZE_2048MB>;
fsp,mrc-init-spd-addr1 = <0xa0>;
fsp,mrc-init-spd-addr2 = <0xa2>;
fsp,emmc-boot-mode = <1>;
fsp,emmc-boot-mode = <EMMC_BOOT_MODE_AUTO>;
fsp,enable-sdio;
fsp,enable-sdcard;
fsp,enable-hsuart0;
fsp,enable-hsuart1;
fsp,enable-spi;
fsp,enable-sata;
fsp,sata-mode = <1>;
fsp,sata-mode = <SATA_MODE_AHCI>;
fsp,enable-lpe;
fsp,lpss-sio-enable-pci-mode;
fsp,enable-dma0;
@ -273,24 +274,24 @@
fsp,enable-i2c6;
fsp,enable-pwm0;
fsp,enable-pwm1;
fsp,igd-dvmt50-pre-alloc = <2>;
fsp,aperture-size = <2>;
fsp,gtt-size = <2>;
fsp,igd-dvmt50-pre-alloc = <IGD_DVMT50_PRE_ALLOC_64MB>;
fsp,aperture-size = <APERTURE_SIZE_256MB>;
fsp,gtt-size = <GTT_SIZE_2MB>;
fsp,scc-enable-pci-mode;
fsp,os-selection = <4>;
fsp,os-selection = <OS_SELECTION_LINUX>;
fsp,emmc45-ddr50-enabled;
fsp,emmc45-retune-timer-value = <8>;
fsp,enable-igd;
fsp,enable-memory-down;
fsp,memory-down-params {
compatible = "intel,baytrail-fsp-mdp";
fsp,dram-speed = <2>; /* 2=1333MHz */
fsp,dram-type = <1>; /* 1=DDR3L */
fsp,dram-speed = <DRAM_SPEED_1333MTS>;
fsp,dram-type = <DRAM_TYPE_DDR3L>;
fsp,dimm-0-enable;
fsp,dimm-width = <1>; /* 1=x16, 2=x32 */
fsp,dimm-density = <3>; /* 3=8Gbit */
fsp,dimm-bus-width = <3>; /* 3=64bits */
fsp,dimm-sides = <0>; /* 0=1 ranks -> 0x2b */
fsp,dimm-width = <DIMM_WIDTH_X16>;
fsp,dimm-density = <DIMM_DENSITY_8GBIT>;
fsp,dimm-bus-width = <DIMM_BUS_WIDTH_64BITS>;
fsp,dimm-sides = <DIMM_SIDES_1RANKS>;
/* These following values might need a re-visit */
fsp,dimm-tcl = <8>;

29
arch/x86/dts/minnowmax.dts
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@ -6,6 +6,7 @@
/dts-v1/;
#include <asm/arch-baytrail/fsp/fsp_configs.h>
#include <dt-bindings/gpio/x86-gpio.h>
#include <dt-bindings/interrupt-router/intel-irq.h>
@ -260,17 +261,17 @@
fsp {
compatible = "intel,baytrail-fsp";
fsp,mrc-init-tseg-size = <1>;
fsp,mrc-init-mmio-size = <0x800>;
fsp,mrc-init-tseg-size = <MRC_INIT_TSEG_SIZE_1MB>;
fsp,mrc-init-mmio-size = <MRC_INIT_MMIO_SIZE_2048MB>;
fsp,mrc-init-spd-addr1 = <0xa0>;
fsp,mrc-init-spd-addr2 = <0xa2>;
fsp,emmc-boot-mode = <1>;
fsp,emmc-boot-mode = <EMMC_BOOT_MODE_AUTO>;
fsp,enable-sdio;
fsp,enable-sdcard;
fsp,enable-hsuart1;
fsp,enable-spi;
fsp,enable-sata;
fsp,sata-mode = <1>;
fsp,sata-mode = <SATA_MODE_AHCI>;
fsp,enable-lpe;
fsp,lpss-sio-enable-pci-mode;
fsp,enable-dma0;
@ -284,24 +285,24 @@
fsp,enable-i2c6;
fsp,enable-pwm0;
fsp,enable-pwm1;
fsp,igd-dvmt50-pre-alloc = <2>;
fsp,aperture-size = <2>;
fsp,gtt-size = <2>;
fsp,igd-dvmt50-pre-alloc = <IGD_DVMT50_PRE_ALLOC_64MB>;
fsp,aperture-size = <APERTURE_SIZE_256MB>;
fsp,gtt-size = <GTT_SIZE_2MB>;
fsp,scc-enable-pci-mode;
fsp,os-selection = <4>;
fsp,os-selection = <OS_SELECTION_LINUX>;
fsp,emmc45-ddr50-enabled;
fsp,emmc45-retune-timer-value = <8>;
fsp,enable-igd;
fsp,enable-memory-down;
fsp,memory-down-params {
compatible = "intel,baytrail-fsp-mdp";
fsp,dram-speed = <1>;
fsp,dram-type = <1>;
fsp,dram-speed = <DRAM_SPEED_1066MTS>;
fsp,dram-type = <DRAM_TYPE_DDR3L>;
fsp,dimm-0-enable;
fsp,dimm-width = <1>;
fsp,dimm-density = <2>;
fsp,dimm-bus-width = <3>;
fsp,dimm-sides = <0>;
fsp,dimm-width = <DIMM_WIDTH_X16>;
fsp,dimm-density = <DIMM_DENSITY_4GBIT>;
fsp,dimm-bus-width = <DIMM_BUS_WIDTH_64BITS>;
fsp,dimm-sides = <DIMM_SIDES_1RANKS>;
fsp,dimm-tcl = <0xb>;
fsp,dimm-trpt-rcd = <0xb>;
fsp,dimm-twr = <0xc>;

77
arch/x86/include/asm/arch-baytrail/fsp/fsp_configs.h
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@ -7,6 +7,7 @@
#ifndef __FSP_CONFIGS_H__
#define __FSP_CONFIGS_H__
#ifndef __ASSEMBLY__
struct fsp_config_data {
struct fsp_cfg_common common;
struct upd_region fsp_upd;
@ -15,5 +16,81 @@ struct fsp_config_data {
struct fspinit_rtbuf {
struct common_buf common; /* FSP common runtime data structure */
};
#endif
/* FSP user configuration settings */
#define MRC_INIT_TSEG_SIZE_1MB 1
#define MRC_INIT_TSEG_SIZE_2MB 2
#define MRC_INIT_TSEG_SIZE_4MB 4
#define MRC_INIT_TSEG_SIZE_8MB 8
#define MRC_INIT_MMIO_SIZE_1024MB 0x400
#define MRC_INIT_MMIO_SIZE_1536MB 0x600
#define MRC_INIT_MMIO_SIZE_2048MB 0x800
#define EMMC_BOOT_MODE_DISABLED 0
#define EMMC_BOOT_MODE_AUTO 1
#define EMMC_BOOT_MODE_EMMC41 2
#define EMMC_BOOT_MODE_EMCC45 3
#define SATA_MODE_IDE 0
#define SATA_MODE_AHCI 1
#define IGD_DVMT50_PRE_ALLOC_32MB 0x01
#define IGD_DVMT50_PRE_ALLOC_64MB 0x02
#define IGD_DVMT50_PRE_ALLOC_96MB 0x03
#define IGD_DVMT50_PRE_ALLOC_128MB 0x04
#define IGD_DVMT50_PRE_ALLOC_160MB 0x05
#define IGD_DVMT50_PRE_ALLOC_192MB 0x06
#define IGD_DVMT50_PRE_ALLOC_224MB 0x07
#define IGD_DVMT50_PRE_ALLOC_256MB 0x08
#define IGD_DVMT50_PRE_ALLOC_288MB 0x09
#define IGD_DVMT50_PRE_ALLOC_320MB 0x0a
#define IGD_DVMT50_PRE_ALLOC_352MB 0x0b
#define IGD_DVMT50_PRE_ALLOC_384MB 0x0c
#define IGD_DVMT50_PRE_ALLOC_416MB 0x0d
#define IGD_DVMT50_PRE_ALLOC_448MB 0x0e
#define IGD_DVMT50_PRE_ALLOC_480MB 0x0f
#define IGD_DVMT50_PRE_ALLOC_512MB 0x10
#define APERTURE_SIZE_128MB 1
#define APERTURE_SIZE_256MB 2
#define APERTURE_SIZE_512MB 3
#define GTT_SIZE_1MB 1
#define GTT_SIZE_2MB 2
#define OS_SELECTION_ANDROID 1
#define OS_SELECTION_LINUX 4
#define DRAM_SPEED_800MTS 0
#define DRAM_SPEED_1066MTS 1
#define DRAM_SPEED_1333MTS 2
#define DRAM_SPEED_1600MTS 3
#define DRAM_TYPE_DDR3 0
#define DRAM_TYPE_DDR3L 1
#define DRAM_TYPE_DDR3ECC 2
#define DRAM_TYPE_LPDDR2 4
#define DRAM_TYPE_LPDDR3 5
#define DRAM_TYPE_DDR4 6
#define DIMM_WIDTH_X8 0
#define DIMM_WIDTH_X16 1
#define DIMM_WIDTH_X32 2
#define DIMM_DENSITY_1GBIT 0
#define DIMM_DENSITY_2GBIT 1
#define DIMM_DENSITY_4GBIT 2
#define DIMM_DENSITY_8GBIT 3
#define DIMM_BUS_WIDTH_8BITS 0
#define DIMM_BUS_WIDTH_16BITS 1
#define DIMM_BUS_WIDTH_32BITS 2
#define DIMM_BUS_WIDTH_64BITS 3
#define DIMM_SIDES_1RANKS 0
#define DIMM_SIDES_2RANKS 1
#endif /* __FSP_CONFIGS_H__ */

74
doc/device-tree-bindings/misc/intel,baytrail-fsp.txt
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@ -6,8 +6,8 @@ UPD data for configuring the SoC.
All properties can be found within the `upd-region` struct in
arch/x86/include/asm/arch-baytrail/fsp/fsp_vpd.h, under the same names, and in
Intel's FSP Binary Configuration Tool for Bay Trail. This list of properties is
matched up to Intel's E3800 FSPv4 release.
Intel's FSP Binary Configuration Tool for Bay Trail. This list of properties
is matched up to Intel's E3800 FSPv4 release.
# Boolean properties:
@ -44,8 +44,8 @@ matched up to Intel's E3800 FSPv4 release.
- fsp,enable-memory-down
If you set "fsp,enable-memory-down" you are strongly encouraged to provide an
"fsp,memory-down-params{};" to specify how your memory is configured. If you do
not set "fsp,enable-memory-down", then the DIMM SPD information will be
"fsp,memory-down-params{};" to specify how your memory is configured. If you
do not set "fsp,enable-memory-down", then the DIMM SPD information will be
discovered by the FSP and used to setup main memory.
@ -72,41 +72,12 @@ discovered by the FSP and used to setup main memory.
# Integer properties:
- fsp,dram-speed:
0x0: "800 MHz"
0x1: "1066 MHz"
0x2: "1333 MHz"
0x3: "1600 MHz"
- fsp,dram-speed
- fsp,dram-type
0x0: "DDR3"
0x1: "DDR3L"
0x2: "DDR3U"
0x4: "LPDDR2"
0x5: "LPDDR3"
0x6: "DDR4"
- fsp,dimm-width
0x0: "x8"
0x1: "x16"
0x2: "x32"
- fsp,dimm-density
0x0: "1 Gbit"
0x1: "2 Gbit"
0x2: "4 Gbit"
0x3: "8 Gbit"
- fsp,dimm-bus-width
0x0: "8 bits"
0x1: "16 bits"
0x2: "32 bits"
0x3: "64 bits"
- fsp,dimm-sides
0x0: "1 rank"
0x1: "2 ranks"
- fsp,dimm-tcl
- fsp,dimm-trpt-rcd
- fsp,dimm-twr
@ -116,6 +87,9 @@ discovered by the FSP and used to setup main memory.
- fsp,dimm-tfaw
};
For all integer properties, available options are listed in fsp_configs.h in
arch/x86/include/asm/arch-baytrail/fsp directory (eg: MRC_INIT_TSEG_SIZE_1MB).
Example (from MinnowMax Dual Core):
-----------------------------------
@ -125,18 +99,17 @@ Example (from MinnowMax Dual Core):
fsp {
compatible = "intel,baytrail-fsp";
fsp,mrc-init-tseg-size = <0>;
fsp,mrc-init-mmio-size = <0x800>;
fsp,mrc-init-tseg-size = <MRC_INIT_TSEG_SIZE_1MB>;
fsp,mrc-init-mmio-size = <MRC_INIT_MMIO_SIZE_2048MB>;
fsp,mrc-init-spd-addr1 = <0xa0>;
fsp,mrc-init-spd-addr2 = <0xa2>;
fsp,emmc-boot-mode = <2>;
fsp,emmc-boot-mode = <EMMC_BOOT_MODE_AUTO>;
fsp,enable-sdio;
fsp,enable-sdcard;
fsp,enable-hsuart1;
fsp,enable-spi;
fsp,enable-sata;
fsp,sata-mode = <1>;
fsp,enable-xhci;
fsp,sata-mode = <SATA_MODE_AHCI>;
fsp,enable-lpe;
fsp,lpss-sio-enable-pci-mode;
fsp,enable-dma0;
@ -150,27 +123,24 @@ Example (from MinnowMax Dual Core):
fsp,enable-i2c6;
fsp,enable-pwm0;
fsp,enable-pwm1;
fsp,igd-dvmt50-pre-alloc = <2>;
fsp,aperture-size = <2>;
fsp,gtt-size = <2>;
fsp,serial-debug-port-address = <0x3f8>;
fsp,serial-debug-port-type = <1>;
fsp,mrc-debug-msg;
fsp,igd-dvmt50-pre-alloc = <IGD_DVMT50_PRE_ALLOC_64MB>;
fsp,aperture-size = <APERTURE_SIZE_256MB>;
fsp,gtt-size = <GTT_SIZE_2MB>;
fsp,scc-enable-pci-mode;
fsp,os-selection = <4>;
fsp,os-selection = <OS_SELECTION_LINUX>;
fsp,emmc45-ddr50-enabled;
fsp,emmc45-retune-timer-value = <8>;
fsp,enable-igd;
fsp,enable-memory-down;
fsp,memory-down-params {
compatible = "intel,baytrail-fsp-mdp";
fsp,dram-speed = <1>;
fsp,dram-type = <1>;
fsp,dram-speed = <DRAM_SPEED_1066MTS>;
fsp,dram-type = <DRAM_TYPE_DDR3L>;
fsp,dimm-0-enable;
fsp,dimm-width = <1>;
fsp,dimm-density = <2>;
fsp,dimm-bus-width = <3>;
fsp,dimm-sides = <0>;
fsp,dimm-width = <DIMM_WIDTH_X16>;
fsp,dimm-density = <DIMM_DENSITY_4GBIT>;
fsp,dimm-bus-width = <DIMM_BUS_WIDTH_64BITS>;
fsp,dimm-sides = <DIMM_SIDES_1RANKS>;
fsp,dimm-tcl = <0xb>;
fsp,dimm-trpt-rcd = <0xb>;
fsp,dimm-twr = <0xc>;

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