[U-Boot] [PATCH 2/2] mc : Reduce MC memory size to 128M
Meenakshi Aggarwal
meenakshi.aggarwal at nxp.com
Wed Feb 27 09:11:02 UTC 2019
ls2088, ls1088 : minimum MC Memory size is 128 MB
lx2 : minimum MC memory size is 256 MB
Signed-off-by: Meenakshi Aggarwal <meenakshi.aggarwal at nxp.com>
---
drivers/net/fsl-mc/mc.c | 23 +++++++++++++++++++----
include/configs/ls1088a_common.h | 2 +-
include/configs/ls2080a_common.h | 2 +-
include/configs/lx2160a_common.h | 2 +-
4 files changed, 22 insertions(+), 7 deletions(-)
diff --git a/drivers/net/fsl-mc/mc.c b/drivers/net/fsl-mc/mc.c
index a51b8a4..a56edc3 100644
--- a/drivers/net/fsl-mc/mc.c
+++ b/drivers/net/fsl-mc/mc.c
@@ -28,6 +28,7 @@
#define MC_MEM_SIZE_ENV_VAR "mcmemsize"
#define MC_BOOT_TIMEOUT_ENV_VAR "mcboottimeout"
#define MC_BOOT_ENV_VAR "mcinitcmd"
+#define MC_DRAM_BLOCK_DEFAULT_SIZE (512UL * 1024 * 1024)
DECLARE_GLOBAL_DATA_PTR;
static int mc_memset_resv_ram;
@@ -680,7 +681,8 @@ int mc_init(u64 mc_fw_addr, u64 mc_dpc_addr)
size_t mc_ram_size = mc_get_dram_block_size();
mc_ram_num_256mb_blocks = mc_ram_size / MC_RAM_SIZE_ALIGNMENT;
- if (mc_ram_num_256mb_blocks < 1 || mc_ram_num_256mb_blocks > 0xff) {
+
+ if (mc_ram_num_256mb_blocks >= 0xff) {
error = -EINVAL;
printf("fsl-mc: ERROR: invalid MC private RAM size (%lu)\n",
mc_ram_size);
@@ -688,6 +690,13 @@ int mc_init(u64 mc_fw_addr, u64 mc_dpc_addr)
}
/*
+ * To support 128 MB DDR Size for MC
+ */
+ if (mc_ram_num_256mb_blocks == 0) {
+ mc_ram_num_256mb_blocks = 0xFF;
+ }
+
+ /*
* Management Complex cores should be held at reset out of POR.
* U-Boot should be the first software to touch MC. To be safe,
* we reset all cores again by setting GCR1 to 0. It doesn't do
@@ -727,8 +736,14 @@ int mc_init(u64 mc_fw_addr, u64 mc_dpc_addr)
/*
* Tell MC what is the address range of the DRAM block assigned to it:
*/
- reg_mcfbalr = (u32)mc_ram_addr |
- (mc_ram_num_256mb_blocks - 1);
+ if (mc_ram_num_256mb_blocks < 0xFF) {
+ reg_mcfbalr = (u32)mc_ram_addr |
+ (mc_ram_num_256mb_blocks - 1);
+ } else {
+ reg_mcfbalr = (u32)mc_ram_addr |
+ (mc_ram_num_256mb_blocks);
+ }
+
out_le32(&mc_ccsr_regs->reg_mcfbalr, reg_mcfbalr);
out_le32(&mc_ccsr_regs->reg_mcfbahr,
(u32)(mc_ram_addr >> 32));
@@ -878,7 +893,7 @@ unsigned long mc_get_dram_block_size(void)
"\' environment variable: %lu\n",
dram_block_size);
- dram_block_size = CONFIG_SYS_LS_MC_DRAM_BLOCK_MIN_SIZE;
+ dram_block_size = MC_DRAM_BLOCK_DEFAULT_SIZE;
}
}
diff --git a/include/configs/ls1088a_common.h b/include/configs/ls1088a_common.h
index b663937..fa9c8c8 100644
--- a/include/configs/ls1088a_common.h
+++ b/include/configs/ls1088a_common.h
@@ -151,7 +151,7 @@ unsigned long long get_qixis_addr(void);
*/
#if defined(CONFIG_FSL_MC_ENET)
-#define CONFIG_SYS_LS_MC_DRAM_BLOCK_MIN_SIZE (512UL * 1024 * 1024)
+#define CONFIG_SYS_LS_MC_DRAM_BLOCK_MIN_SIZE (128UL * 1024 * 1024)
#endif
/* Command line configuration */
#define CONFIG_CMD_CACHE
diff --git a/include/configs/ls2080a_common.h b/include/configs/ls2080a_common.h
index 0a6c90d..682f068 100644
--- a/include/configs/ls2080a_common.h
+++ b/include/configs/ls2080a_common.h
@@ -155,7 +155,7 @@ unsigned long long get_qixis_addr(void);
* 512MB aligned, so the min size to hide is 512MB.
*/
#ifdef CONFIG_FSL_MC_ENET
-#define CONFIG_SYS_LS_MC_DRAM_BLOCK_MIN_SIZE (512UL * 1024 * 1024)
+#define CONFIG_SYS_LS_MC_DRAM_BLOCK_MIN_SIZE (128UL * 1024 * 1024)
#endif
/* Command line configuration */
diff --git a/include/configs/lx2160a_common.h b/include/configs/lx2160a_common.h
index 4b5608b..637619c 100644
--- a/include/configs/lx2160a_common.h
+++ b/include/configs/lx2160a_common.h
@@ -100,7 +100,7 @@
* 512MB aligned, so the min size to hide is 512MB.
*/
#ifdef CONFIG_FSL_MC_ENET
-#define CONFIG_SYS_LS_MC_DRAM_BLOCK_MIN_SIZE (512UL * 1024 * 1024)
+#define CONFIG_SYS_LS_MC_DRAM_BLOCK_MIN_SIZE (256UL * 1024 * 1024)
#endif
/* I2C bus multiplexer */
--
1.9.1
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