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mc : Reduce MC memory size to 128M 

ls2088, ls1088 : minimum MC Memory size is 128 MB
lx2 : minimum MC memory size is 256 MB

Signed-off-by: Meenakshi Aggarwal <meenakshi.aggarwal@nxp.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Reviewed-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
This commit is contained in:
Meenakshi Aggarwal 2019-02-27 14:41:02 +05:30 committed by Prabhakar Kushwaha
parent 2e9f1bf588
commit 43ad41e6ae
4 changed files with 21 additions and 7 deletions
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22
drivers/net/fsl-mc/mc.c
View File

@ -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;
@ -682,13 +683,20 @@ 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);
goto out;
}
/*
* 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,
@ -729,8 +737,14 @@ 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));
@ -880,7 +894,7 @@ 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;
}
}

2
include/configs/ls1088a_common.h
View File

@ -147,7 +147,7 @@ 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

2
include/configs/ls2080a_common.h
View File

@ -152,7 +152,7 @@ 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 */

2
include/configs/lx2160a_common.h
View File

@ -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 */