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115 lines
4.1 KiB
Diff
115 lines
4.1 KiB
Diff
From 590605c6bc31d5cbfcb3844ef98eb10ff7ce24c3 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
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Date: Sun, 21 Jun 2015 15:25:49 +0200
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Subject: [PATCH] MIPS: BCM47xx: Simplify handling SPROM revisions
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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After the big SPROM cleanup moving code to the bcm47xx_sprom_fill_auto
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we ended up with few tiny functions, two of them being identical. Let's
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get rid of these [12]-liners.
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This also stops extracting higher SPROM revisions as revision 1. Now we
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have that function nicely handling revisions we don't need it.
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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
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Cc: linux-mips@linux-mips.org
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Cc: Hauke Mehrtens <hauke@hauke-m.de>
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Patchwork: https://patchwork.linux-mips.org/patch/10569/
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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---
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arch/mips/bcm47xx/sprom.c | 53 ++++++++---------------------------------------
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1 file changed, 9 insertions(+), 44 deletions(-)
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diff --git a/arch/mips/bcm47xx/sprom.c b/arch/mips/bcm47xx/sprom.c
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index b0d62e7..2d5c7a7 100644
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--- a/arch/mips/bcm47xx/sprom.c
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+++ b/arch/mips/bcm47xx/sprom.c
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@@ -200,6 +200,9 @@ static void bcm47xx_sprom_fill_auto(struct ssb_sprom *sprom,
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const char *pre = prefix;
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bool fb = fallback;
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+ /* Broadcom extracts it for rev 8+ but it was found on 2 and 4 too */
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+ ENTRY(0xfffffffe, u16, pre, "devid", dev_id, 0, fallback);
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+
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ENTRY(0xfffffffe, u16, pre, "boardrev", board_rev, 0, true);
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ENTRY(0xfffffffe, u32, pre, "boardflags", boardflags, 0, fb);
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ENTRY(0xfffffff0, u32, pre, "boardflags2", boardflags2, 0, fb);
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@@ -412,27 +415,6 @@ static void bcm47xx_sprom_fill_auto(struct ssb_sprom *sprom,
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}
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#undef ENTRY /* It's specififc, uses local variable, don't use it (again). */
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-static void bcm47xx_fill_sprom_r1234589(struct ssb_sprom *sprom,
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- const char *prefix, bool fallback)
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-{
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- nvram_read_u16(prefix, NULL, "devid", &sprom->dev_id, 0, fallback);
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- nvram_read_alpha2(prefix, "ccode", sprom->alpha2, fallback);
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-}
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-
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-static void bcm47xx_fill_sprom_r3(struct ssb_sprom *sprom, const char *prefix,
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- bool fallback)
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-{
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- nvram_read_leddc(prefix, "leddc", &sprom->leddc_on_time,
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- &sprom->leddc_off_time, fallback);
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-}
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-
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-static void bcm47xx_fill_sprom_r4589(struct ssb_sprom *sprom,
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- const char *prefix, bool fallback)
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-{
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- nvram_read_leddc(prefix, "leddc", &sprom->leddc_on_time,
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- &sprom->leddc_off_time, fallback);
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-}
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-
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static void bcm47xx_fill_sprom_path_r4589(struct ssb_sprom *sprom,
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const char *prefix, bool fallback)
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{
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@@ -589,39 +571,22 @@ void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix,
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nvram_read_u8(prefix, NULL, "sromrev", &sprom->revision, 0, fallback);
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+ /* Entries requiring custom functions */
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+ nvram_read_alpha2(prefix, "ccode", sprom->alpha2, fallback);
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+ if (sprom->revision >= 3)
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+ nvram_read_leddc(prefix, "leddc", &sprom->leddc_on_time,
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+ &sprom->leddc_off_time, fallback);
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+
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switch (sprom->revision) {
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- case 1:
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- bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
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- break;
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- case 2:
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- bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
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- break;
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- case 3:
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- bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
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- bcm47xx_fill_sprom_r3(sprom, prefix, fallback);
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- break;
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case 4:
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case 5:
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- bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
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- bcm47xx_fill_sprom_r4589(sprom, prefix, fallback);
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bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback);
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bcm47xx_fill_sprom_path_r45(sprom, prefix, fallback);
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break;
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case 8:
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- bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
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- bcm47xx_fill_sprom_r4589(sprom, prefix, fallback);
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- bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback);
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- break;
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case 9:
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- bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
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- bcm47xx_fill_sprom_r4589(sprom, prefix, fallback);
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bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback);
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break;
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- default:
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- pr_warn("Unsupported SPROM revision %d detected. Will extract v1\n",
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- sprom->revision);
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- sprom->revision = 1;
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- bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
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}
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bcm47xx_sprom_fill_auto(sprom, prefix, fallback);
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--
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1.8.4.5
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