diff options
Diffstat (limited to 'drivers/ram/sifive/fu540_ddr.c')
| -rw-r--r-- | drivers/ram/sifive/fu540_ddr.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/drivers/ram/sifive/fu540_ddr.c b/drivers/ram/sifive/fu540_ddr.c index f8f8ca9..2eef1e7 100644 --- a/drivers/ram/sifive/fu540_ddr.c +++ b/drivers/ram/sifive/fu540_ddr.c @@ -8,6 +8,7 @@ #include <common.h> #include <dm.h> +#include <fdtdec.h> #include <init.h> #include <ram.h> #include <regmap.h> @@ -39,9 +40,6 @@ #define DENALI_PHY_1152 1152 #define DENALI_PHY_1214 1214 -#define PAYLOAD_DEST 0x80000000 -#define DDR_MEM_SIZE (8UL * 1024UL * 1024UL * 1024UL) - #define DRAM_CLASS_OFFSET 8 #define DRAM_CLASS_DDR4 0xA #define OPTIMAL_RMODW_EN_OFFSET 0 @@ -65,6 +63,8 @@ #define PHY_RX_CAL_DQ0_0_OFFSET 0 #define PHY_RX_CAL_DQ1_0_OFFSET 16 +DECLARE_GLOBAL_DATA_PTR; + struct fu540_ddrctl { volatile u32 denali_ctl[265]; }; @@ -235,8 +235,8 @@ static int fu540_ddr_setup(struct udevice *dev) struct fu540_ddr_params *params = &plat->ddr_params; volatile u32 *denali_ctl = priv->ctl->denali_ctl; volatile u32 *denali_phy = priv->phy->denali_phy; - const u64 ddr_size = DDR_MEM_SIZE; - const u64 ddr_end = PAYLOAD_DEST + ddr_size; + const u64 ddr_size = priv->info.size; + const u64 ddr_end = priv->info.base + ddr_size; int ret, i; u32 physet; @@ -302,7 +302,7 @@ static int fu540_ddr_setup(struct udevice *dev) | (1 << MULTIPLE_OUT_OF_RANGE_OFFSET)); /* set up range protection */ - fu540_ddr_setup_range_protection(denali_ctl, DDR_MEM_SIZE); + fu540_ddr_setup_range_protection(denali_ctl, priv->info.size); /* Mask off port command error interrupt DENALI_CTL_136 */ setbits_le32(DENALI_CTL_136 + denali_ctl, @@ -314,14 +314,14 @@ static int fu540_ddr_setup(struct udevice *dev) /* check size */ priv->info.size = get_ram_size((long *)priv->info.base, - DDR_MEM_SIZE); + ddr_size); debug("%s : %lx\n", __func__, priv->info.size); /* check memory access for all memory */ - if (priv->info.size != DDR_MEM_SIZE) { + if (priv->info.size != ddr_size) { printf("DDR invalid size : 0x%lx, expected 0x%lx\n", - priv->info.size, DDR_MEM_SIZE); + priv->info.size, (uintptr_t)ddr_size); return -EINVAL; } @@ -333,6 +333,11 @@ static int fu540_ddr_probe(struct udevice *dev) { struct fu540_ddr_info *priv = dev_get_priv(dev); + /* Read memory base and size from DT */ + fdtdec_setup_mem_size_base(); + priv->info.base = gd->ram_base; + priv->info.size = gd->ram_size; + #if defined(CONFIG_SPL_BUILD) struct regmap *map; int ret; @@ -368,14 +373,9 @@ static int fu540_ddr_probe(struct udevice *dev) priv->phy = regmap_get_range(map, 1); priv->physical_filter_ctrl = regmap_get_range(map, 2); - priv->info.base = CONFIG_SYS_SDRAM_BASE; - - priv->info.size = 0; return fu540_ddr_setup(dev); -#else - priv->info.base = CONFIG_SYS_SDRAM_BASE; - priv->info.size = DDR_MEM_SIZE; #endif + return 0; } |