From mboxrd@z Thu Jan 1 00:00:00 1970 From: Scott Wood Date: Thu, 22 Apr 2010 11:01:32 -0500 Subject: [U-Boot] [PATCH 10/17] SPEAr : FSMC driver support added In-Reply-To: <4BCFD08B.5020008@st.com> References: <1271836483-15978-2-git-send-email-vipin.kumar@st.com> <1271836483-15978-3-git-send-email-vipin.kumar@st.com> <1271836483-15978-4-git-send-email-vipin.kumar@st.com> <1271836483-15978-5-git-send-email-vipin.kumar@st.com> <1271836483-15978-6-git-send-email-vipin.kumar@st.com> <1271836483-15978-7-git-send-email-vipin.kumar@st.com> <1271836483-15978-8-git-send-email-vipin.kumar@st.com> <1271836483-15978-9-git-send-email-vipin.kumar@st.com> <1271836483-15978-10-git-send-email-vipin.kumar@st.com> <1271836483-15978-11-git-send-email-vipin.kumar@st.com> <20100421170208.GA27045@schlenkerla.am.freescale.net> <4BCFD08B.5020008@st.com> Message-ID: <4BD072DC.5020505@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 Vipin KUMAR wrote: > On 4/21/2010 10:32 PM, Scott Wood wrote: >> On Wed, Apr 21, 2010 at 01:24:36PM +0530, Vipin KUMAR wrote: >>> +#if defined(CONFIG_BOARD_NAND_LP) >> CONFIG_SYS_FSMC_NAND_LP, CONFIG_SYS_FSMC_NAND_16BIT, etc. > > Incomplete comment :) > Are these deprecated CONFIG symbols that are hardware parameters rather than user-tweakable config go in the CONFIG_SYS namespace (see "Software Configuration" in README). I think it should also be an FSMC-specific parameter, not something that looks universal. >>> +#ifndef __FSMC_NAND_H__ >>> +#define __FSMC_NAND_H__ >>> + >>> +struct fsmc_regs { >>> + u8 reserved_1[0x40]; >>> + u32 genmemctrl_pc; /* 0x40 */ >>> + u32 genmemctrl_sts; /* 0x44 */ >>> + u32 genmemctrl_comm; /* 0x48 */ >>> + u32 genmemctrl_attrib; /* 0x4c */ >>> + u32 genmemctrl_ioata; /* 0x50 */ >>> + u32 genmemctrl_ecc1; /* 0x54 */ >>> + u32 genmemctrl_ecc2; /* 0x58 */ >>> + u32 genmemctrl_ecc3; /* 0x5c */ >>> + u8 reserved_2[0xfe0 - 0x60]; >>> + u32 genmemctrl_peripid0; /* 0xfe0 */ >>> + u32 genmemctrl_peripid1; /* 0xfe4 */ >>> + u32 genmemctrl_peripid2; /* 0xfe8 */ >>> + u32 genmemctrl_peripid3; /* 0xfec */ >>> + u32 genmemctrl_pcellid0; /* 0xff0 */ >>> + u32 genmemctrl_pcellid1; /* 0xff4 */ >>> + u32 genmemctrl_pcellid2; /* 0xff8 */ >>> + u32 genmemctrl_pcellid3; /* 0xffc */ >>> +}; >> Is the genmemctrl_ prefix really needed? >> > > The peripheral's registers are named like these so I kept it. The struct name takes that role here; hardware documentation doesn't have the benefit of that. -Scott