From mboxrd@z Thu Jan 1 00:00:00 1970 From: York Sun Date: Tue, 26 May 2015 09:13:02 -0700 Subject: [U-Boot] [PATCH 19/20] armv8/fsl-lsch3: Support 256M mem split for MC & dbg-srvr In-Reply-To: <1431933400-10808-1-git-send-email-prabhakar@freescale.com> References: <1431933400-10808-1-git-send-email-prabhakar@freescale.com> Message-ID: <55649B8E.2030105@freescale.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 05/18/2015 12:16 AM, Prabhakar Kushwaha wrote: > From: Stuart Yoder > > The agreed split of the top of memory is 256M for debug server and 256M > for MC. This patch implements the split. > > In addition, the MC mem must be 512MB aligned, so the amount of memory > to hide must be 512MB to achieve that alignment. > > Signed-off-by: Stuart Yoder > Signed-off-by: Prabhakar Kushwaha > --- > diff --git a/include/configs/ls2085a_common.h b/include/configs/ls2085a_common.h > index a33b8a9..c895291 100644 > --- a/include/configs/ls2085a_common.h > +++ b/include/configs/ls2085a_common.h > @@ -163,21 +163,36 @@ unsigned long long get_qixis_addr(void); > #define CONFIG_SYS_NAND_BASE_PHYS 0x30000000 > > /* Debug Server firmware */ > -#define CONFIG_SYS_DEBUG_SERVER_DRAM_BLOCK_MIN_SIZE (512UL * 1024 * 1024) > /* 2 sec timeout */ > #define CONFIG_SYS_DEBUG_SERVER_TIMEOUT (2 * 1000 * 1000) > > /* MC firmware */ > #define CONFIG_FSL_MC_ENET > -#define CONFIG_SYS_LS_MC_DRAM_BLOCK_MIN_SIZE (512UL * 1024 * 1024) > /* TODO Actual DPL max length needs to be confirmed with the MC FW team */ > #define CONFIG_SYS_LS_MC_DPC_MAX_LENGTH 0x20000 > #define CONFIG_SYS_LS_MC_DRAM_DPC_OFFSET 0x00F00000 > #define CONFIG_SYS_LS_MC_DPL_MAX_LENGTH 0x20000 > #define CONFIG_SYS_LS_MC_DRAM_DPL_OFFSET 0x00F20000 > > -/* Carve out a DDR region which will not be used by u-boot/Linux */ > +/* > + * Carve out a DDR region which will not be used by u-boot/Linux > + * > + * The default end-of-memory partitioning looks like this: > + * > + * +---------------+ <-- top/end of memory > + * | 256MB | debug server > + * +---------------+ > + * | 256MB | MC > + * +---------------+ > + * | ... | > + * I suggest to put this into a README file, together with the hiding memory mechanism. York