[U-Boot] [PATCH 29/53] armv8: layerscape: add SMC calls for DDR size and bank info.
Rajesh Bhagat
rajesh.bhagat at nxp.com
Wed Oct 3 10:44:35 UTC 2018
From: Pankit Garg <pankit.garg at nxp.com>
Adds SMC calls for getting DDR size and bank info for TFABOOT.
Signed-off-by: Rajesh Bhagat <rajesh.bhagat at nxp.com>
Signed-off-by: Pankit Garg <pankit.garg at nxp.com>
---
arch/arm/cpu/armv8/fsl-layerscape/cpu.c | 84 +++++++++++++++++++
.../arm/include/asm/arch-fsl-layerscape/soc.h | 4 +
board/freescale/ls1012aqds/ls1012aqds.c | 4 +-
board/freescale/ls1012ardb/ls1012ardb.c | 4 +-
board/freescale/ls1043aqds/ddr.c | 14 +++-
board/freescale/ls1043ardb/ddr.c | 20 ++++-
board/freescale/ls1046aqds/ddr.c | 14 +++-
board/freescale/ls1046ardb/ddr.c | 15 +++-
8 files changed, 147 insertions(+), 12 deletions(-)
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
index 063a8fea55..024600c694 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
@@ -1227,12 +1227,96 @@ phys_size_t get_effective_memsize(void)
return ea_size;
}
+#ifdef CONFIG_TFABOOT
+phys_size_t tfa_get_dram_size(void)
+{
+ struct pt_regs regs;
+ phys_size_t dram_size = 0;
+
+ regs.regs[0] = SMC_DRAM_BANK_INFO;
+ regs.regs[1] = -1;
+
+ smc_call(®s);
+ if (regs.regs[0])
+ return 0;
+
+ dram_size = regs.regs[1];
+ return dram_size;
+}
+
+static int tfa_dram_init_banksize(void)
+{
+ int i = 0, ret = 0;
+ struct pt_regs regs;
+ phys_size_t dram_size = tfa_get_dram_size();
+
+ debug("dram_size %llx\n", dram_size);
+
+ if (!dram_size)
+ return -EINVAL;
+
+ do {
+ regs.regs[0] = SMC_DRAM_BANK_INFO;
+ regs.regs[1] = i;
+
+ smc_call(®s);
+ if (regs.regs[0]) {
+ ret = -EINVAL;
+ break;
+ }
+
+ debug("bank[%d]: start %lx, size %lx\n", i, regs.regs[1],
+ regs.regs[2]);
+ gd->bd->bi_dram[i].start = regs.regs[1];
+ gd->bd->bi_dram[i].size = regs.regs[2];
+
+ dram_size -= gd->bd->bi_dram[i].size;
+
+ i++;
+ } while (dram_size);
+
+ if (i > 0)
+ ret = 0;
+
+#if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD)
+ /* Assign memory for MC */
+#ifdef CONFIG_SYS_DDR_BLOCK3_BASE
+ if (gd->bd->bi_dram[2].size >=
+ board_reserve_ram_top(gd->bd->bi_dram[2].size)) {
+ gd->arch.resv_ram = gd->bd->bi_dram[2].start +
+ gd->bd->bi_dram[2].size -
+ board_reserve_ram_top(gd->bd->bi_dram[2].size);
+ } else
+#endif
+ {
+ if (gd->bd->bi_dram[1].size >=
+ board_reserve_ram_top(gd->bd->bi_dram[1].size)) {
+ gd->arch.resv_ram = gd->bd->bi_dram[1].start +
+ gd->bd->bi_dram[1].size -
+ board_reserve_ram_top(gd->bd->bi_dram[1].size);
+ } else if (gd->bd->bi_dram[0].size >
+ board_reserve_ram_top(gd->bd->bi_dram[0].size)) {
+ gd->arch.resv_ram = gd->bd->bi_dram[0].start +
+ gd->bd->bi_dram[0].size -
+ board_reserve_ram_top(gd->bd->bi_dram[0].size);
+ }
+ }
+#endif /* CONFIG_FSL_MC_ENET */
+
+ return ret;
+}
+#endif
+
int dram_init_banksize(void)
{
#ifdef CONFIG_SYS_DP_DDR_BASE_PHY
phys_size_t dp_ddr_size;
#endif
+#ifdef CONFIG_TFABOOT
+ if (!tfa_dram_init_banksize())
+ return 0;
+#endif
/*
* gd->ram_size has the total size of DDR memory, less reserved secure
* memory. The DDR extends from low region to high region(s) presuming
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/soc.h b/arch/arm/include/asm/arch-fsl-layerscape/soc.h
index d327c7ba1f..ef228b6443 100644
--- a/arch/arm/include/asm/arch-fsl-layerscape/soc.h
+++ b/arch/arm/include/asm/arch-fsl-layerscape/soc.h
@@ -55,6 +55,10 @@ struct cpu_type {
{ .name = #n, .soc_ver = SVR_##v, .num_cores = (nc)}
#ifdef CONFIG_TFABOOT
+#define SMC_DRAM_BANK_INFO (0xC200FF12)
+
+phys_size_t tfa_get_dram_size(void);
+
enum boot_src {
BOOT_SOURCE_RESERVED = 0,
BOOT_SOURCE_IFC_NOR,
diff --git a/board/freescale/ls1012aqds/ls1012aqds.c b/board/freescale/ls1012aqds/ls1012aqds.c
index f312200433..7582f5e430 100644
--- a/board/freescale/ls1012aqds/ls1012aqds.c
+++ b/board/freescale/ls1012aqds/ls1012aqds.c
@@ -58,7 +58,9 @@ int checkboard(void)
#ifdef CONFIG_TFABOOT
int dram_init(void)
{
- gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
+ gd->ram_size = tfa_get_dram_size();
+ if (!gd->ram_size)
+ gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
return 0;
}
diff --git a/board/freescale/ls1012ardb/ls1012ardb.c b/board/freescale/ls1012ardb/ls1012ardb.c
index f59749b87c..66554bcf6e 100644
--- a/board/freescale/ls1012ardb/ls1012ardb.c
+++ b/board/freescale/ls1012ardb/ls1012ardb.c
@@ -90,7 +90,9 @@ int checkboard(void)
#ifdef CONFIG_TFABOOT
int dram_init(void)
{
- gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
+ gd->ram_size = tfa_get_dram_size();
+ if (!gd->ram_size)
+ gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
return 0;
}
diff --git a/board/freescale/ls1043aqds/ddr.c b/board/freescale/ls1043aqds/ddr.c
index a79d8e2120..d29a3ad797 100644
--- a/board/freescale/ls1043aqds/ddr.c
+++ b/board/freescale/ls1043aqds/ddr.c
@@ -108,12 +108,21 @@ found:
#endif
}
+#ifdef CONFIG_TFABOOT
+int fsl_initdram(void)
+{
+ gd->ram_size = tfa_get_dram_size();
+ if (!gd->ram_size)
+ gd->ram_size = fsl_ddr_sdram_size();
+
+ return 0;
+}
+#else
int fsl_initdram(void)
{
phys_size_t dram_size;
-#if defined(CONFIG_TFABOOT) || \
- (defined(CONFIG_SPL) && !defined(CONFIG_SPL_BUILD))
+#if defined(CONFIG_SPL) && !defined(CONFIG_SPL_BUILD)
gd->ram_size = fsl_ddr_sdram_size();
return 0;
@@ -132,3 +141,4 @@ int fsl_initdram(void)
return 0;
}
+#endif
diff --git a/board/freescale/ls1043ardb/ddr.c b/board/freescale/ls1043ardb/ddr.c
index 1fb1635dfb..784e482f32 100644
--- a/board/freescale/ls1043ardb/ddr.c
+++ b/board/freescale/ls1043ardb/ddr.c
@@ -205,21 +205,32 @@ phys_size_t fixed_sdram(void)
}
#endif
+#ifdef CONFIG_TFABOOT
+int fsl_initdram(void)
+{
+ gd->ram_size = tfa_get_dram_size();
+ if (!gd->ram_size)
+#ifdef CONFIG_SYS_DDR_RAW_TIMING
+ gd->ram_size = fsl_ddr_sdram_size();
+#else
+ gd->ram_size = 0x80000000;
+#endif
+ return 0;
+}
+#else
int fsl_initdram(void)
{
phys_size_t dram_size;
#ifdef CONFIG_SYS_DDR_RAW_TIMING
-#if !defined(CONFIG_TFABOOT) && \
- (defined(CONFIG_SPL_BUILD) || !defined(CONFIG_SPL))
+#if defined(CONFIG_SPL_BUILD) || !defined(CONFIG_SPL)
puts("Initializing DDR....\n");
dram_size = fsl_ddr_sdram();
#else
dram_size = fsl_ddr_sdram_size();
#endif
#else
-#if !defined(CONFIG_TFABOOT) && \
- (defined(CONFIG_SPL_BUILD) || !defined(CONFIG_SPL))
+#if defined(CONFIG_SPL_BUILD) || !defined(CONFIG_SPL)
puts("Initialzing DDR using fixed setting\n");
dram_size = fixed_sdram();
#else
@@ -238,3 +249,4 @@ int fsl_initdram(void)
return 0;
}
+#endif
diff --git a/board/freescale/ls1046aqds/ddr.c b/board/freescale/ls1046aqds/ddr.c
index d2afe62cfc..45b1f373a7 100644
--- a/board/freescale/ls1046aqds/ddr.c
+++ b/board/freescale/ls1046aqds/ddr.c
@@ -92,12 +92,21 @@ found:
popts->cpo_sample = 0x70;
}
+#ifdef CONFIG_TFABOOT
+int fsl_initdram(void)
+{
+ gd->ram_size = tfa_get_dram_size();
+ if (!gd->ram_size)
+ gd->ram_size = fsl_ddr_sdram_size();
+
+ return 0;
+}
+#else
int fsl_initdram(void)
{
phys_size_t dram_size;
-#if defined(CONFIG_TFABOOT) || \
- (defined(CONFIG_SPL) && !defined(CONFIG_SPL_BUILD))
+#if defined(CONFIG_SPL) && !defined(CONFIG_SPL_BUILD)
gd->ram_size = fsl_ddr_sdram_size();
return 0;
@@ -117,3 +126,4 @@ int fsl_initdram(void)
return 0;
}
+#endif
diff --git a/board/freescale/ls1046ardb/ddr.c b/board/freescale/ls1046ardb/ddr.c
index 8fe0794198..321222d68d 100644
--- a/board/freescale/ls1046ardb/ddr.c
+++ b/board/freescale/ls1046ardb/ddr.c
@@ -97,12 +97,22 @@ found:
popts->cpo_sample = 0x61;
}
+#ifdef CONFIG_TFABOOT
+int fsl_initdram(void)
+{
+ gd->ram_size = tfa_get_dram_size();
+
+ if (!gd->ram_size)
+ gd->ram_size = fsl_ddr_sdram_size();
+
+ return 0;
+}
+#else
int fsl_initdram(void)
{
phys_size_t dram_size;
-#if defined(CONFIG_TFABOOT) || \
- (defined(CONFIG_SPL) && !defined(CONFIG_SPL_BUILD))
+#if defined(CONFIG_SPL) && !defined(CONFIG_SPL_BUILD)
gd->ram_size = fsl_ddr_sdram_size();
return 0;
@@ -118,3 +128,4 @@ int fsl_initdram(void)
return 0;
}
+#endif
--
2.17.1
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