> -----Original Message----- > From: U-Boot <u-boot-boun...@lists.denx.de> On Behalf Of Meenakshi > Aggarwal > Sent: Wednesday, February 20, 2019 3:36 PM > To: u-boot@lists.denx.de > Subject: [U-Boot] [PATCH v1] mc : Add support to run MC in 128 MB DDR size Ashish: Rephrase to "Reduce MC memory size to 128M" from the above it sound like system DDR is 128MB
Regards Ashish > > ls2088, ls1088 : minimum DDR size for MC is 128 MB > lx2 : minimum DDR size for MC is 256 MB > > Signed-off-by: Meenakshi Aggarwal <meenakshi.aggar...@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 > d0b8c03..7ba44cd 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; > @@ -683,7 +684,8 @@ 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); > @@ -691,6 +693,13 @@ 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 @@ > -730,8 > +739,14 @@ 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)); > @@ -876,7 +891,7 @@ 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 89133c2..1509292 100644 > --- a/include/configs/ls1088a_common.h > +++ b/include/configs/ls1088a_common.h > @@ -154,7 +154,7 @@ 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 ab38981..7c1d35b 100644 > --- a/include/configs/ls2080a_common.h > +++ b/include/configs/ls2080a_common.h > @@ -159,7 +159,7 @@ 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 0f1a621..c4bbe96 100644 > --- a/include/configs/lx2160a_common.h > +++ b/include/configs/lx2160a_common.h > @@ -102,7 +102,7 @@ > * 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 > > _______________________________________________ > U-Boot mailing list > U-Boot@lists.denx.de > https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.de > nx.de%2Flistinfo%2Fu- > boot&data=02%7C01%7CAshish.Kumar%40nxp.com%7C47b95d2e68d34 > 362e1cc08d696ead9c9%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0 > %7C636862332767130806&sdata=nqugF6OMxgjPXOW5kpQemHRWAgo > zVGwMndpxztNqDgE%3D&reserved=0 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot