From mboxrd@z Thu Jan 1 00:00:00 1970 From: York Sun Date: Mon, 1 Jun 2015 08:37:49 -0700 Subject: [U-Boot] [PATCH 21/22][v2] armv8/fsl-lsch3: Support 256M mem split for MC & dbg-srvr In-Reply-To: <1432805055-1244-21-git-send-email-prabhakar@freescale.com> References: <1432805055-1244-1-git-send-email-prabhakar@freescale.com> <1432805055-1244-21-git-send-email-prabhakar@freescale.com> Message-ID: <556C7C4D.20809@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 05/28/2015 02:24 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 > --- > Changes for v2: sending as it is for patch set > > diff --git a/include/configs/ls2085a_common.h b/include/configs/ls2085a_common.h > index a33b8a9..214d790 100644 > --- a/include/configs/ls2085a_common.h > +++ b/include/configs/ls2085a_common.h > @@ -163,21 +163,27 @@ 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 > + * > + * It will be used by MC and Debug Server. The MC region must be > + * 512MB aligned, so the min size to hide is 512MB. > + */ > #if defined(CONFIG_FSL_MC_ENET) || defined(CONFIG_FSL_DEBUG_SERVER) > +#define CONFIG_SYS_DEBUG_SERVER_DRAM_BLOCK_MIN_SIZE (256UL * 1024 * 1024) > +#define CONFIG_SYS_LS_MC_DRAM_BLOCK_MIN_SIZE (256UL * 1024 * 1024) > +#define CONFIG_SYS_MEM_TOP_HIDE_MIN (512UL * 1024 * 1024) > #define CONFIG_SYS_MEM_TOP_HIDE get_dram_size_to_hide() The new macro should be documented. York