Date: Thu, 2 Jun 2016 18:33:26 +0000 (UTC) From: Zbigniew Bodek <zbb@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r301221 - head/sys/arm/mv Message-ID: <201606021833.u52IXQfT008222@repo.freebsd.org>
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Author: zbb Date: Thu Jun 2 18:33:26 2016 New Revision: 301221 URL: https://svnweb.freebsd.org/changeset/base/301221 Log: Configure CPU window to second CESA SRAM Check if there is a second CESA SRAM node in FDT and add a CPU window for it. Define A38X specific macro for setting device attribute for each node. Submitted by: Michal Stanek <mst@semihalf.com> Obtained from: Semihalf Sponsored by: Stormshield Differential revision: https://reviews.freebsd.org/D6216 Modified: head/sys/arm/mv/mv_common.c head/sys/arm/mv/mvwin.h Modified: head/sys/arm/mv/mv_common.c ============================================================================== --- head/sys/arm/mv/mv_common.c Thu Jun 2 18:31:36 2016 (r301220) +++ head/sys/arm/mv/mv_common.c Thu Jun 2 18:33:26 2016 (r301221) @@ -2107,6 +2107,37 @@ moveon: return (EINVAL); cpu_win_tbl[t].target = MV_WIN_CESA_TARGET; +#ifdef SOC_MV_ARMADA38X + cpu_win_tbl[t].attr = MV_WIN_CESA_ATTR(0); +#else + cpu_win_tbl[t].attr = MV_WIN_CESA_ATTR(1); +#endif + cpu_win_tbl[t].base = sram_base; + cpu_win_tbl[t].size = sram_size; + cpu_win_tbl[t].remap = ~0; + cpu_wins_no++; + debugf("sram: base = 0x%0lx size = 0x%0lx\n", sram_base, sram_size); + + /* Check if there is a second CESA node */ + while ((node = OF_peer(node)) != 0) { + if (fdt_is_compatible(node, "mrvl,cesa-sram")) { + if (fdt_regsize(node, &sram_base, &sram_size) != 0) + return (EINVAL); + break; + } + } + + if (node == 0) + return (0); + + t++; + if (t >= ((sizeof(cpu_win_tbl))/(sizeof(cpu_win_tbl[0])))) { + debugf("cannot fit CESA tuple into cpu_win_tbl\n"); + return (ENOMEM); + } + + /* Configure window for CESA1 */ + cpu_win_tbl[t].target = MV_WIN_CESA_TARGET; cpu_win_tbl[t].attr = MV_WIN_CESA_ATTR(1); cpu_win_tbl[t].base = sram_base; cpu_win_tbl[t].size = sram_size; Modified: head/sys/arm/mv/mvwin.h ============================================================================== --- head/sys/arm/mv/mvwin.h Thu Jun 2 18:31:36 2016 (r301220) +++ head/sys/arm/mv/mvwin.h Thu Jun 2 18:33:26 2016 (r301221) @@ -233,6 +233,19 @@ * 2: engine0 */ #define MV_WIN_CESA_ATTR(eng_sel) (1 | ((eng_sel) << 2)) +#elif defined(SOC_MV_ARMADA38X) +#define MV_WIN_CESA_TARGET 9 +/* + * Bits [1:0] = Data swapping + * 0x0 = Byte swap + * 0x1 = No swap + * 0x2 = Byte and word swap + * 0x3 = Word swap + * Bits [4:2] = CESA select: + * 0x6 = CESA0 + * 0x5 = CESA1 + */ +#define MV_WIN_CESA_ATTR(eng_sel) (0x11 | (1 << (3 - (eng_sel)))) #else #define MV_WIN_CESA_TARGET 3 #define MV_WIN_CESA_ATTR(eng_sel) 0
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