* [U-Boot] [PATCH] fsl/sleep: updated the deep sleep framework for QorIQ platforms
@ 2014-11-21 3:17 Yuantian.Tang at freescale.com
2014-11-21 3:17 ` [U-Boot] [PATCH] mpc85xx/t104xrdb: convert deep sleep to generic board interface Yuantian.Tang at freescale.com
2014-12-11 19:08 ` [U-Boot] [PATCH] fsl/sleep: updated the deep sleep framework for QorIQ platforms York Sun
0 siblings, 2 replies; 4+ messages in thread
From: Yuantian.Tang at freescale.com @ 2014-11-21 3:17 UTC (permalink / raw)
To: u-boot
From: Tang Yuantian <Yuantian.Tang@freescale.com>
With the introducing of generic board and ARM-based cores, current
deep sleep framework doesn't work anymore.
This patch will convert the current framework to adapt this change.
Basically it does:
1. Converts all the Freescale's DDR driver to support deep sleep.
2. Added basic framework support for ARM-based and PPC-based
cores separately.
Signed-off-by: Tang Yuantian <Yuantian.Tang@freescale.com>
---
board/freescale/common/Makefile | 6 +++
board/freescale/common/arm_sleep.c | 95 ++++++++++++++++++++++++++++++++++
board/freescale/common/mpc85xx_sleep.c | 88 +++++++++++++++++++++++++++++++
board/freescale/common/sleep.h | 21 ++++++++
drivers/ddr/fsl/arm_ddr_gen3.c | 45 +++++++++++++---
drivers/ddr/fsl/fsl_ddr_gen4.c | 44 ++++++++++++++--
drivers/ddr/fsl/mpc85xx_ddr_gen3.c | 67 +++++++++---------------
include/fsl_ddr_sdram.h | 12 +++--
8 files changed, 322 insertions(+), 56 deletions(-)
create mode 100644 board/freescale/common/arm_sleep.c
create mode 100644 board/freescale/common/mpc85xx_sleep.c
create mode 100644 board/freescale/common/sleep.h
diff --git a/board/freescale/common/Makefile b/board/freescale/common/Makefile
index 32b5a3b..d1b6e3c 100644
--- a/board/freescale/common/Makefile
+++ b/board/freescale/common/Makefile
@@ -36,6 +36,12 @@ endif
obj-$(CONFIG_FSL_DIU_CH7301) += diu_ch7301.o
+ifdef CONFIG_ARM
+obj-$(CONFIG_DEEP_SLEEP) += arm_sleep.o
+else
+obj-$(CONFIG_DEEP_SLEEP) += mpc85xx_sleep.o
+endif
+
obj-$(CONFIG_FSL_DCU_SII9022A) += dcu_sii9022a.o
obj-$(CONFIG_MPC8541CDS) += cds_pci_ft.o
diff --git a/board/freescale/common/arm_sleep.c b/board/freescale/common/arm_sleep.c
new file mode 100644
index 0000000..8edf878
--- /dev/null
+++ b/board/freescale/common/arm_sleep.c
@@ -0,0 +1,95 @@
+/*
+ * Copyright 2014 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#if !defined(CONFIG_ARMV7_NONSEC) || !defined(CONFIG_ARMV7_VIRT)
+#error " Deep sleep needs non-secure mode support. "
+#else
+#include <asm/secure.h>
+#endif
+#include <asm/armv7.h>
+#include <asm/cache.h>
+
+#if defined(CONFIG_LS102XA)
+#include <asm/arch/immap_ls102xa.h>
+#endif
+
+#include "sleep.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void __weak board_mem_sleep_setup(void)
+{
+}
+
+void __weak board_sleep_prepare(void)
+{
+}
+
+bool is_warm_boot(void)
+{
+ struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
+
+ if (in_be32(&gur->crstsr) & DCFG_CCSR_CRSTSR_WDRFR)
+ return 1;
+
+ return 0;
+}
+
+void fsl_dp_disable_console(void)
+{
+ gd->flags |= GD_FLG_SILENT | GD_FLG_DISABLE_CONSOLE;
+}
+
+/*
+ * When wakeup from deep sleep, the first 128 bytes space
+ * will be used to do DDR training which corrupts the data
+ * in there. This function will restore them.
+ */
+static void dp_ddr_restore(void)
+{
+ u64 *src, *dst;
+ int i;
+ struct ccsr_scfg __iomem *scfg = (void *)CONFIG_SYS_FSL_SCFG_ADDR;
+
+ /* get the address of ddr date from SPARECR3 */
+ src = (u64 *)in_le32(&scfg->sparecr[2]);
+ dst = (u64 *)CONFIG_SYS_SDRAM_BASE;
+
+ for (i = 0; i < DDR_BUFF_LEN / 8; i++)
+ *dst++ = *src++;
+
+ flush_dcache_all();
+}
+
+static void dp_resume_prepare(void)
+{
+ dp_ddr_restore();
+ board_sleep_prepare();
+ armv7_init_nonsec();
+ cleanup_before_linux();
+}
+
+int fsl_dp_resume(void)
+{
+ u32 start_addr;
+ void (*kernel_resume)(void);
+ struct ccsr_scfg __iomem *scfg = (void *)CONFIG_SYS_FSL_SCFG_ADDR;
+
+ if (!is_warm_boot())
+ return 0;
+
+ dp_resume_prepare();
+
+ /* Get the entry address and jump to kernel */
+ start_addr = in_le32(&scfg->sparecr[1]);
+ debug("Entry address is 0x%08x\n", start_addr);
+ kernel_resume = (void (*)(void))start_addr;
+ secure_ram_addr(_do_nonsec_entry)(kernel_resume, 0, 0, 0);
+
+ return 0;
+}
diff --git a/board/freescale/common/mpc85xx_sleep.c b/board/freescale/common/mpc85xx_sleep.c
new file mode 100644
index 0000000..f924e7f
--- /dev/null
+++ b/board/freescale/common/mpc85xx_sleep.c
@@ -0,0 +1,88 @@
+/*
+ * Copyright 2014 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/immap_85xx.h>
+#include "sleep.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void __weak board_mem_sleep_setup(void)
+{
+}
+
+void __weak board_sleep_prepare(void)
+{
+}
+
+bool is_warm_boot(void)
+{
+ struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
+
+ if (in_be32(&gur->scrtsr[0]) & DCFG_CCSR_CRSTSR_WDRFR)
+ return 1;
+
+ return 0;
+}
+
+void fsl_dp_disable_console(void)
+{
+ gd->flags |= GD_FLG_SILENT | GD_FLG_DISABLE_CONSOLE;
+}
+
+/*
+ * When wakeup from deep sleep, the first 128 bytes space
+ * will be used to do DDR training which corrupts the data
+ * in there. This function will restore them.
+ */
+static void dp_ddr_restore(void)
+{
+ volatile u64 *src, *dst;
+ int i;
+ struct ccsr_scfg __iomem *scfg = (void *)CONFIG_SYS_MPC85xx_SCFG;
+
+ /* get the address of ddr date from SPARECR3 */
+ src = (u64 *)in_be32(&scfg->sparecr[2]);
+ dst = (u64 *)CONFIG_SYS_SDRAM_BASE;
+
+ for (i = 0; i < DDR_BUFF_LEN / 8; i++)
+ *dst++ = *src++;
+
+ flush_dcache();
+}
+
+static void dp_resume_prepare(void)
+{
+ dp_ddr_restore();
+
+ board_sleep_prepare();
+
+ l2cache_init();
+#if defined(CONFIG_RAMBOOT_PBL)
+ disable_cpc_sram();
+#endif
+ enable_cpc();
+}
+
+int fsl_dp_resume(void)
+{
+ u32 start_addr;
+ void (*kernel_resume)(void);
+ struct ccsr_scfg __iomem *scfg = (void *)CONFIG_SYS_MPC85xx_SCFG;
+
+ if (!is_warm_boot())
+ return 0;
+
+ dp_resume_prepare();
+
+ /* Get the entry address and jump to kernel */
+ start_addr = in_be32(&scfg->sparecr[1]);
+ debug("Entry address is 0x%08x\n", start_addr);
+ kernel_resume = (void (*)(void))start_addr;
+ kernel_resume();
+
+ return 0;
+}
diff --git a/board/freescale/common/sleep.h b/board/freescale/common/sleep.h
new file mode 100644
index 0000000..c26c542
--- /dev/null
+++ b/board/freescale/common/sleep.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2014 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __SLEEP_H
+#define __SLEEP_H
+
+#define DCFG_CCSR_CRSTSR_WDRFR (1 << 3)
+#define DDR_BUFF_LEN 128
+
+/* determine if it is a wakeup from deep sleep */
+bool is_warm_boot(void);
+
+/* disable console output */
+void fsl_dp_disable_console(void);
+
+/* clean up everything and jump to kernel */
+int fsl_dp_resume(void);
+#endif
diff --git a/drivers/ddr/fsl/arm_ddr_gen3.c b/drivers/ddr/fsl/arm_ddr_gen3.c
index 59f2fd6..c139da6 100644
--- a/drivers/ddr/fsl/arm_ddr_gen3.c
+++ b/drivers/ddr/fsl/arm_ddr_gen3.c
@@ -92,7 +92,6 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
ddr_out32(&ddr->timing_cfg_0, regs->timing_cfg_0);
ddr_out32(&ddr->timing_cfg_1, regs->timing_cfg_1);
ddr_out32(&ddr->timing_cfg_2, regs->timing_cfg_2);
- ddr_out32(&ddr->sdram_cfg_2, regs->ddr_sdram_cfg_2);
ddr_out32(&ddr->sdram_mode, regs->ddr_sdram_mode);
ddr_out32(&ddr->sdram_mode_2, regs->ddr_sdram_mode_2);
ddr_out32(&ddr->sdram_mode_3, regs->ddr_sdram_mode_3);
@@ -105,9 +104,6 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
ddr_out32(&ddr->sdram_interval, regs->ddr_sdram_interval);
ddr_out32(&ddr->sdram_data_init, regs->ddr_data_init);
ddr_out32(&ddr->sdram_clk_cntl, regs->ddr_sdram_clk_cntl);
- ddr_out32(&ddr->init_addr, regs->ddr_init_addr);
- ddr_out32(&ddr->init_ext_addr, regs->ddr_init_ext_addr);
-
ddr_out32(&ddr->timing_cfg_4, regs->timing_cfg_4);
ddr_out32(&ddr->timing_cfg_5, regs->timing_cfg_5);
ddr_out32(&ddr->ddr_zq_cntl, regs->ddr_zq_cntl);
@@ -128,7 +124,24 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
ddr_out32(&ddr->ddr_sdram_rcw_1, regs->ddr_sdram_rcw_1);
ddr_out32(&ddr->ddr_sdram_rcw_2, regs->ddr_sdram_rcw_2);
ddr_out32(&ddr->ddr_cdr1, regs->ddr_cdr1);
- ddr_out32(&ddr->ddr_cdr2, regs->ddr_cdr2);
+#ifdef CONFIG_DEEP_SLEEP
+ if (is_warm_boot()) {
+ ddr_out32(&ddr->sdram_cfg_2,
+ regs->ddr_sdram_cfg_2 & ~SDRAM_CFG2_D_INIT);
+ ddr_out32(&ddr->init_addr, CONFIG_SYS_SDRAM_BASE);
+ ddr_out32(&ddr->init_ext_addr, DDR_INIT_ADDR_EXT_UIA);
+
+ /* DRAM VRef will not be trained */
+ ddr_out32(&ddr->ddr_cdr2,
+ regs->ddr_cdr2 & ~DDR_CDR2_VREF_TRAIN_EN);
+ } else
+#endif
+ {
+ ddr_out32(&ddr->sdram_cfg_2, regs->ddr_sdram_cfg_2);
+ ddr_out32(&ddr->init_addr, regs->ddr_init_addr);
+ ddr_out32(&ddr->init_ext_addr, regs->ddr_init_ext_addr);
+ ddr_out32(&ddr->ddr_cdr2, regs->ddr_cdr2);
+ }
ddr_out32(&ddr->err_disable, regs->err_disable);
ddr_out32(&ddr->err_int_en, regs->err_int_en);
for (i = 0; i < 32; i++) {
@@ -167,8 +180,20 @@ step2:
udelay(500);
asm volatile("dsb sy;isb");
+#ifdef CONFIG_DEEP_SLEEP
+ if (is_warm_boot()) {
+ /* enter self-refresh */
+ temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg_2);
+ temp_sdram_cfg |= SDRAM_CFG2_FRC_SR;
+ ddr_out32(&ddr->sdram_cfg_2, temp_sdram_cfg);
+ /* do board specific memory setup */
+ board_mem_sleep_setup();
+
+ temp_sdram_cfg = (ddr_in32(&ddr->sdram_cfg) | SDRAM_CFG_BI);
+ } else
+#endif
+ temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg) & ~SDRAM_CFG_BI;
/* Let the controller go */
- temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg) & ~SDRAM_CFG_BI;
ddr_out32(&ddr->sdram_cfg, temp_sdram_cfg | SDRAM_CFG_MEM_EN);
asm volatile("dsb sy;isb");
@@ -211,4 +236,12 @@ step2:
if (timeout <= 0)
printf("Waiting for D_INIT timeout. Memory may not work.\n");
+#ifdef CONFIG_DEEP_SLEEP
+ if (is_warm_boot()) {
+ /* exit self-refresh */
+ temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg_2);
+ temp_sdram_cfg &= ~SDRAM_CFG2_FRC_SR;
+ ddr_out32(&ddr->sdram_cfg_2, temp_sdram_cfg);
+ }
+#endif
}
diff --git a/drivers/ddr/fsl/fsl_ddr_gen4.c b/drivers/ddr/fsl/fsl_ddr_gen4.c
index e024db9..a3c01e7 100644
--- a/drivers/ddr/fsl/fsl_ddr_gen4.c
+++ b/drivers/ddr/fsl/fsl_ddr_gen4.c
@@ -103,7 +103,6 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
ddr_out32(&ddr->dq_map_1, regs->dq_map_1);
ddr_out32(&ddr->dq_map_2, regs->dq_map_2);
ddr_out32(&ddr->dq_map_3, regs->dq_map_3);
- ddr_out32(&ddr->sdram_cfg_2, regs->ddr_sdram_cfg_2);
ddr_out32(&ddr->sdram_cfg_3, regs->ddr_sdram_cfg_3);
ddr_out32(&ddr->sdram_mode, regs->ddr_sdram_mode);
ddr_out32(&ddr->sdram_mode_2, regs->ddr_sdram_mode_2);
@@ -124,8 +123,6 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
ddr_out32(&ddr->sdram_md_cntl, regs->ddr_sdram_md_cntl);
ddr_out32(&ddr->sdram_interval, regs->ddr_sdram_interval);
ddr_out32(&ddr->sdram_data_init, regs->ddr_data_init);
- ddr_out32(&ddr->init_addr, regs->ddr_init_addr);
- ddr_out32(&ddr->init_ext_addr, regs->ddr_init_ext_addr);
ddr_out32(&ddr->ddr_wrlvl_cntl, regs->ddr_wrlvl_cntl);
#ifndef CONFIG_SYS_FSL_DDR_EMU
/*
@@ -147,7 +144,24 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
ddr_out32(&ddr->ddr_sdram_rcw_5, regs->ddr_sdram_rcw_5);
ddr_out32(&ddr->ddr_sdram_rcw_6, regs->ddr_sdram_rcw_6);
ddr_out32(&ddr->ddr_cdr1, regs->ddr_cdr1);
- ddr_out32(&ddr->ddr_cdr2, regs->ddr_cdr2);
+#ifdef CONFIG_DEEP_SLEEP
+ if (is_warm_boot()) {
+ ddr_out32(&ddr->sdram_cfg_2,
+ regs->ddr_sdram_cfg_2 & ~SDRAM_CFG2_D_INIT);
+ ddr_out32(&ddr->init_addr, CONFIG_SYS_SDRAM_BASE);
+ ddr_out32(&ddr->init_ext_addr, DDR_INIT_ADDR_EXT_UIA);
+
+ /* DRAM VRef will not be trained */
+ ddr_out32(&ddr->ddr_cdr2,
+ regs->ddr_cdr2 & ~DDR_CDR2_VREF_TRAIN_EN);
+ } else
+#endif
+ {
+ ddr_out32(&ddr->sdram_cfg_2, regs->ddr_sdram_cfg_2);
+ ddr_out32(&ddr->init_addr, regs->ddr_init_addr);
+ ddr_out32(&ddr->init_ext_addr, regs->ddr_init_ext_addr);
+ ddr_out32(&ddr->ddr_cdr2, regs->ddr_cdr2);
+ }
ddr_out32(&ddr->err_disable, regs->err_disable);
ddr_out32(&ddr->err_int_en, regs->err_int_en);
for (i = 0; i < 32; i++) {
@@ -187,8 +201,20 @@ step2:
mb();
isb();
+#ifdef CONFIG_DEEP_SLEEP
+ if (is_warm_boot()) {
+ /* enter self-refresh */
+ temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg_2);
+ temp_sdram_cfg |= SDRAM_CFG2_FRC_SR;
+ ddr_out32(&ddr->sdram_cfg_2, temp_sdram_cfg);
+ /* do board specific memory setup */
+ board_mem_sleep_setup();
+
+ temp_sdram_cfg = (ddr_in32(&ddr->sdram_cfg) | SDRAM_CFG_BI);
+ } else
+#endif
+ temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg) & ~SDRAM_CFG_BI;
/* Let the controller go */
- temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg) & ~SDRAM_CFG_BI;
ddr_out32(&ddr->sdram_cfg, temp_sdram_cfg | SDRAM_CFG_MEM_EN);
mb();
isb();
@@ -233,4 +259,12 @@ step2:
if (timeout <= 0)
printf("Waiting for D_INIT timeout. Memory may not work.\n");
+#ifdef CONFIG_DEEP_SLEEP
+ if (is_warm_boot()) {
+ /* exit self-refresh */
+ temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg_2);
+ temp_sdram_cfg &= ~SDRAM_CFG2_FRC_SR;
+ ddr_out32(&ddr->sdram_cfg_2, temp_sdram_cfg);
+ }
+#endif
}
diff --git a/drivers/ddr/fsl/mpc85xx_ddr_gen3.c b/drivers/ddr/fsl/mpc85xx_ddr_gen3.c
index 4d5572e..8f4d01a 100644
--- a/drivers/ddr/fsl/mpc85xx_ddr_gen3.c
+++ b/drivers/ddr/fsl/mpc85xx_ddr_gen3.c
@@ -15,8 +15,6 @@
#error Invalid setting for CONFIG_CHIP_SELECTS_PER_CTRL
#endif
-DECLARE_GLOBAL_DATA_PTR;
-
/*
* regs has the to-be-set values for DDR controller registers
* ctrl_num is the DDR controller number
@@ -44,16 +42,6 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
u32 save1, save2;
#endif
-#ifdef CONFIG_DEEP_SLEEP
- const ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
- bool sleep_flag = 0;
-#endif
-
-#ifdef CONFIG_DEEP_SLEEP
- if (in_be32(&gur->scrtsr[0]) & (1 << 3))
- sleep_flag = 1;
-#endif
-
switch (ctrl_num) {
case 0:
ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR;
@@ -130,13 +118,6 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
out_be32(&ddr->timing_cfg_0, regs->timing_cfg_0);
out_be32(&ddr->timing_cfg_1, regs->timing_cfg_1);
out_be32(&ddr->timing_cfg_2, regs->timing_cfg_2);
-#ifdef CONFIG_DEEP_SLEEP
- if (sleep_flag)
- out_be32(&ddr->sdram_cfg_2,
- regs->ddr_sdram_cfg_2 & ~SDRAM_CFG2_D_INIT);
- else
-#endif
- out_be32(&ddr->sdram_cfg_2, regs->ddr_sdram_cfg_2);
out_be32(&ddr->sdram_mode, regs->ddr_sdram_mode);
out_be32(&ddr->sdram_mode_2, regs->ddr_sdram_mode_2);
out_be32(&ddr->sdram_mode_3, regs->ddr_sdram_mode_3);
@@ -149,17 +130,6 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
out_be32(&ddr->sdram_interval, regs->ddr_sdram_interval);
out_be32(&ddr->sdram_data_init, regs->ddr_data_init);
out_be32(&ddr->sdram_clk_cntl, regs->ddr_sdram_clk_cntl);
-#ifdef CONFIG_DEEP_SLEEP
- if (sleep_flag) {
- out_be32(&ddr->init_addr, 0);
- out_be32(&ddr->init_ext_addr, (1 << 31));
- } else
-#endif
- {
- out_be32(&ddr->init_addr, regs->ddr_init_addr);
- out_be32(&ddr->init_ext_addr, regs->ddr_init_ext_addr);
- }
-
out_be32(&ddr->timing_cfg_4, regs->timing_cfg_4);
out_be32(&ddr->timing_cfg_5, regs->timing_cfg_5);
out_be32(&ddr->ddr_zq_cntl, regs->ddr_zq_cntl);
@@ -180,7 +150,24 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
out_be32(&ddr->ddr_sdram_rcw_1, regs->ddr_sdram_rcw_1);
out_be32(&ddr->ddr_sdram_rcw_2, regs->ddr_sdram_rcw_2);
out_be32(&ddr->ddr_cdr1, regs->ddr_cdr1);
- out_be32(&ddr->ddr_cdr2, regs->ddr_cdr2);
+#ifdef CONFIG_DEEP_SLEEP
+ if (is_warm_boot()) {
+ out_be32(&ddr->sdram_cfg_2,
+ regs->ddr_sdram_cfg_2 & ~SDRAM_CFG2_D_INIT);
+ out_be32(&ddr->init_addr, CONFIG_SYS_SDRAM_BASE);
+ out_be32(&ddr->init_ext_addr, DDR_INIT_ADDR_EXT_UIA);
+
+ /* DRAM VRef will not be trained */
+ out_be32(&ddr->ddr_cdr2,
+ regs->ddr_cdr2 & ~DDR_CDR2_VREF_TRAIN_EN);
+ } else
+#endif
+ {
+ out_be32(&ddr->sdram_cfg_2, regs->ddr_sdram_cfg_2);
+ out_be32(&ddr->init_addr, regs->ddr_init_addr);
+ out_be32(&ddr->init_ext_addr, regs->ddr_init_ext_addr);
+ out_be32(&ddr->ddr_cdr2, regs->ddr_cdr2);
+ }
out_be32(&ddr->err_disable, regs->err_disable);
out_be32(&ddr->err_int_en, regs->err_int_en);
for (i = 0; i < 32; i++) {
@@ -400,21 +387,17 @@ step2:
asm volatile("sync;isync");
#ifdef CONFIG_DEEP_SLEEP
- if (sleep_flag) {
+ if (is_warm_boot()) {
/* enter self-refresh */
- setbits_be32(&ddr->sdram_cfg_2, (1 << 31));
+ setbits_be32(&ddr->sdram_cfg_2, SDRAM_CFG2_FRC_SR);
/* do board specific memory setup */
board_mem_sleep_setup();
- }
-#endif
-
- /* Let the controller go */
-#ifdef CONFIG_DEEP_SLEEP
- if (sleep_flag)
temp_sdram_cfg = (in_be32(&ddr->sdram_cfg) | SDRAM_CFG_BI);
- else
+ } else
#endif
temp_sdram_cfg = (in_be32(&ddr->sdram_cfg) & ~SDRAM_CFG_BI);
+
+ /* Let the controller go */
out_be32(&ddr->sdram_cfg, temp_sdram_cfg | SDRAM_CFG_MEM_EN);
asm volatile("sync;isync");
@@ -566,8 +549,8 @@ step2:
}
#endif /* CONFIG_SYS_FSL_ERRATUM_DDR111_DDR134 */
#ifdef CONFIG_DEEP_SLEEP
- if (sleep_flag)
+ if (is_warm_boot())
/* exit self-refresh */
- clrbits_be32(&ddr->sdram_cfg_2, (1 << 31));
+ clrbits_be32(&ddr->sdram_cfg_2, SDRAM_CFG2_FRC_SR);
#endif
}
diff --git a/include/fsl_ddr_sdram.h b/include/fsl_ddr_sdram.h
index 5b03c14..095b33e 100644
--- a/include/fsl_ddr_sdram.h
+++ b/include/fsl_ddr_sdram.h
@@ -114,6 +114,7 @@ typedef struct ddr4_spd_eeprom_s generic_spd_eeprom_t;
#define SDRAM_CFG_2T_EN 0x00008000
#define SDRAM_CFG_BI 0x00000001
+#define SDRAM_CFG2_FRC_SR 0x80000000
#define SDRAM_CFG2_D_INIT 0x00000010
#define SDRAM_CFG2_ODT_CFG_MASK 0x00600000
#define SDRAM_CFG2_ODT_NEVER 0
@@ -163,6 +164,7 @@ typedef struct ddr4_spd_eeprom_s generic_spd_eeprom_t;
#define DDR_CDR1_ODT(x) ((x & DDR_CDR1_ODT_MASK) << DDR_CDR1_ODT_SHIFT)
#define DDR_CDR2_ODT(x) (x & DDR_CDR2_ODT_MASK)
#define DDR_CDR2_VREF_OVRD(x) (0x00008080 | ((((x) - 37) & 0x3F) << 8))
+#define DDR_CDR2_VREF_TRAIN_EN 0x00000080
#if (defined(CONFIG_SYS_FSL_DDR_VER) && \
(CONFIG_SYS_FSL_DDR_VER >= FSL_DDR_VER_4_7))
@@ -202,6 +204,8 @@ typedef struct ddr4_spd_eeprom_s generic_spd_eeprom_t;
#define DDR_CDR_ODT_120ohm 0x6
#endif
+#define DDR_INIT_ADDR_EXT_UIA (1 << 31)
+
/* Record of register values computed */
typedef struct fsl_ddr_cfg_regs_s {
struct {
@@ -414,9 +418,11 @@ static int __board_need_mem_reset(void)
int board_need_mem_reset(void)
__attribute__((weak, alias("__board_need_mem_reset")));
-void __weak board_mem_sleep_setup(void)
-{
-}
+#if defined(CONFIG_DEEP_SLEEP)
+void board_mem_sleep_setup(void);
+bool is_warm_boot(void);
+int fsl_dp_resume(void);
+#endif
/*
* The 85xx boards have a common prototype for fixed_sdram so put the
--
2.1.0.27.g96db324
^ permalink raw reply related [flat|nested] 4+ messages in thread* [U-Boot] [PATCH] mpc85xx/t104xrdb: convert deep sleep to generic board interface
2014-11-21 3:17 [U-Boot] [PATCH] fsl/sleep: updated the deep sleep framework for QorIQ platforms Yuantian.Tang at freescale.com
@ 2014-11-21 3:17 ` Yuantian.Tang at freescale.com
2014-12-16 17:22 ` York Sun
2014-12-11 19:08 ` [U-Boot] [PATCH] fsl/sleep: updated the deep sleep framework for QorIQ platforms York Sun
1 sibling, 1 reply; 4+ messages in thread
From: Yuantian.Tang at freescale.com @ 2014-11-21 3:17 UTC (permalink / raw)
To: u-boot
From: Tang Yuantian <Yuantian.Tang@freescale.com>
A new interface is introduced to support generic board structure.
Converts it to use new interface.
Signed-off-by: Tang Yuantian <Yuantian.Tang@freescale.com>
---
board/freescale/t104xrdb/ddr.c | 19 +++++++++++++++++++
board/freescale/t104xrdb/spl.c | 19 +++----------------
board/freescale/t104xrdb/t104xrdb.c | 24 +++++++++++-------------
include/configs/T104xRDB.h | 3 +++
4 files changed, 36 insertions(+), 29 deletions(-)
diff --git a/board/freescale/t104xrdb/ddr.c b/board/freescale/t104xrdb/ddr.c
index 2c331ee..5aa11b1 100644
--- a/board/freescale/t104xrdb/ddr.c
+++ b/board/freescale/t104xrdb/ddr.c
@@ -11,6 +11,7 @@
#include <fsl_ddr_sdram.h>
#include <fsl_ddr_dimm_params.h>
#include <asm/fsl_law.h>
+#include <asm/mpc85xx_gpio.h>
#include "ddr.h"
DECLARE_GLOBAL_DATA_PTR;
@@ -109,6 +110,19 @@ found:
popts->ddr_cdr2 = DDR_CDR2_ODT(DDR_CDR_ODT_75ohm);
}
+#if defined(CONFIG_DEEP_SLEEP)
+void board_mem_sleep_setup(void)
+{
+ void __iomem *cpld_base = (void *)CONFIG_SYS_CPLD_BASE;
+
+ /* does not provide HW signals for power management */
+ clrbits_8(cpld_base + 0x17, 0x40);
+ /* Disable MCKE isolation */
+ gpio_set_value(2, 0);
+ udelay(1);
+}
+#endif
+
phys_size_t initdram(int board_type)
{
phys_size_t dram_size;
@@ -124,5 +138,10 @@ phys_size_t initdram(int board_type)
#else
dram_size = fsl_ddr_sdram_size();
#endif
+
+#if defined(CONFIG_DEEP_SLEEP) && !defined(CONFIG_SPL_BUILD)
+ fsl_dp_resume();
+#endif
+
return dram_size;
}
diff --git a/board/freescale/t104xrdb/spl.c b/board/freescale/t104xrdb/spl.c
index 3822a37..b248f3b 100644
--- a/board/freescale/t104xrdb/spl.c
+++ b/board/freescale/t104xrdb/spl.c
@@ -11,7 +11,7 @@
#include <mmc.h>
#include <fsl_esdhc.h>
#include <spi_flash.h>
-#include <asm/mpc85xx_gpio.h>
+#include "../common/sleep.h"
DECLARE_GLOBAL_DATA_PTR;
@@ -58,8 +58,8 @@ void board_init_f(ulong bootflag)
#ifdef CONFIG_DEEP_SLEEP
/* disable the console if boot from deep sleep */
- if (in_be32(&gur->scrtsr[0]) & (1 << 3))
- gd->flags |= GD_FLG_SILENT | GD_FLG_DISABLE_CONSOLE;
+ if (is_warm_boot())
+ fsl_dp_disable_console();
#endif
/* compiler optimization barrier needed for GCC >= 3.4 */
__asm__ __volatile__("" : : : "memory");
@@ -126,16 +126,3 @@ void board_init_r(gd_t *gd, ulong dest_addr)
nand_boot();
#endif
}
-
-#ifdef CONFIG_DEEP_SLEEP
-void board_mem_sleep_setup(void)
-{
- void __iomem *cpld_base = (void *)CONFIG_SYS_CPLD_BASE;
-
- /* does not provide HW signals for power management */
- clrbits_8(cpld_base + 0x17, 0x40);
- /* Disable MCKE isolation */
- gpio_set_value(2, 0);
- udelay(1);
-}
-#endif
diff --git a/board/freescale/t104xrdb/t104xrdb.c b/board/freescale/t104xrdb/t104xrdb.c
index ddb669f..abca297 100644
--- a/board/freescale/t104xrdb/t104xrdb.c
+++ b/board/freescale/t104xrdb/t104xrdb.c
@@ -17,8 +17,7 @@
#include <asm/fsl_portals.h>
#include <asm/fsl_liodn.h>
#include <fm_eth.h>
-#include <asm/mpc85xx_gpio.h>
-
+#include "../common/sleep.h"
#include "t104xrdb.h"
#include "cpld.h"
@@ -44,6 +43,16 @@ int checkboard(void)
return 0;
}
+int board_early_init_f(void)
+{
+#if defined(CONFIG_DEEP_SLEEP)
+ if (is_warm_boot())
+ fsl_dp_disable_console();
+#endif
+
+ return 0;
+}
+
int board_early_init_r(void)
{
#ifdef CONFIG_SYS_FLASH_BASE
@@ -111,14 +120,3 @@ void ft_board_setup(void *blob, bd_t *bd)
fdt_fixup_fman_ethernet(blob);
#endif
}
-
-#ifdef CONFIG_DEEP_SLEEP
-void board_mem_sleep_setup(void)
-{
- /* does not provide HW signals for power management */
- CPLD_WRITE(misc_ctl_status, (CPLD_READ(misc_ctl_status) & ~0x40));
- /* Disable MCKE isolation */
- gpio_set_value(2, 0);
- udelay(1);
-}
-#endif
diff --git a/include/configs/T104xRDB.h b/include/configs/T104xRDB.h
index 2bb86e4..36ac66d 100644
--- a/include/configs/T104xRDB.h
+++ b/include/configs/T104xRDB.h
@@ -100,7 +100,10 @@
/* support deep sleep */
#define CONFIG_DEEP_SLEEP
+#if defined(CONFIG_DEEP_SLEEP)
+#define CONFIG_BOARD_EARLY_INIT_F
#define CONFIG_SILENT_CONSOLE
+#endif
#ifndef CONFIG_SYS_TEXT_BASE
#define CONFIG_SYS_TEXT_BASE 0xeff40000
--
2.1.0.27.g96db324
^ permalink raw reply related [flat|nested] 4+ messages in thread* [U-Boot] [PATCH] fsl/sleep: updated the deep sleep framework for QorIQ platforms
2014-11-21 3:17 [U-Boot] [PATCH] fsl/sleep: updated the deep sleep framework for QorIQ platforms Yuantian.Tang at freescale.com
2014-11-21 3:17 ` [U-Boot] [PATCH] mpc85xx/t104xrdb: convert deep sleep to generic board interface Yuantian.Tang at freescale.com
@ 2014-12-11 19:08 ` York Sun
1 sibling, 0 replies; 4+ messages in thread
From: York Sun @ 2014-12-11 19:08 UTC (permalink / raw)
To: u-boot
On 11/20/2014 07:17 PM, Yuantian.Tang at freescale.com wrote:
> From: Tang Yuantian <Yuantian.Tang@freescale.com>
>
> With the introducing of generic board and ARM-based cores, current
> deep sleep framework doesn't work anymore.
> This patch will convert the current framework to adapt this change.
> Basically it does:
> 1. Converts all the Freescale's DDR driver to support deep sleep.
> 2. Added basic framework support for ARM-based and PPC-based
> cores separately.
>
> Signed-off-by: Tang Yuantian <Yuantian.Tang@freescale.com>
> ---
Applied to u-boot-fsl-qoriq master, awaiting upstream.
York
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2014-12-16 17:22 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2014-11-21 3:17 [U-Boot] [PATCH] fsl/sleep: updated the deep sleep framework for QorIQ platforms Yuantian.Tang at freescale.com
2014-11-21 3:17 ` [U-Boot] [PATCH] mpc85xx/t104xrdb: convert deep sleep to generic board interface Yuantian.Tang at freescale.com
2014-12-16 17:22 ` York Sun
2014-12-11 19:08 ` [U-Boot] [PATCH] fsl/sleep: updated the deep sleep framework for QorIQ platforms York Sun
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