diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/816-sdhc-0002-LF-605-mmc-sdhci-of-esdhc-convert-to-use-esdhc_tunin.patch')
-rw-r--r-- | target/linux/layerscape/patches-5.4/816-sdhc-0002-LF-605-mmc-sdhci-of-esdhc-convert-to-use-esdhc_tunin.patch | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/target/linux/layerscape/patches-5.4/816-sdhc-0002-LF-605-mmc-sdhci-of-esdhc-convert-to-use-esdhc_tunin.patch b/target/linux/layerscape/patches-5.4/816-sdhc-0002-LF-605-mmc-sdhci-of-esdhc-convert-to-use-esdhc_tunin.patch deleted file mode 100644 index df19568863..0000000000 --- a/target/linux/layerscape/patches-5.4/816-sdhc-0002-LF-605-mmc-sdhci-of-esdhc-convert-to-use-esdhc_tunin.patch +++ /dev/null @@ -1,77 +0,0 @@ -From e95c04bd6d9ebe081126184fb228461b1b3fa7aa Mon Sep 17 00:00:00 2001 -From: Yangbo Lu <yangbo.lu@nxp.com> -Date: Thu, 12 Dec 2019 15:52:18 +0800 -Subject: [PATCH] LF-605 mmc: sdhci-of-esdhc: convert to use - esdhc_tuning_window_ptr() - -Convert to use a new function esdhc_tuning_window_ptr() to -get tuning window start point and end point. - -Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> -Acked-by: Adrian Hunter <adrian.hunter@intel.com> ---- - drivers/mmc/host/sdhci-of-esdhc.c | 34 +++++++++++++++++++++------------- - 1 file changed, 21 insertions(+), 13 deletions(-) - ---- a/drivers/mmc/host/sdhci-of-esdhc.c -+++ b/drivers/mmc/host/sdhci-of-esdhc.c -@@ -924,20 +924,11 @@ static void esdhc_tuning_block_enable(st - esdhc_clock_enable(host, true); - } - --static void esdhc_prepare_sw_tuning(struct sdhci_host *host, u8 *window_start, -+static void esdhc_tuning_window_ptr(struct sdhci_host *host, u8 *window_start, - u8 *window_end) - { -- struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); -- struct sdhci_esdhc *esdhc = sdhci_pltfm_priv(pltfm_host); -- u8 tbstat_15_8, tbstat_7_0; - u32 val; - -- if (esdhc->quirk_tuning_erratum_type1) { -- *window_start = 5 * esdhc->div_ratio; -- *window_end = 3 * esdhc->div_ratio; -- return; -- } -- - /* Write TBCTL[11:8]=4'h8 */ - val = sdhci_readl(host, ESDHC_TBCTL); - val &= ~(0xf << 8); -@@ -956,6 +947,25 @@ static void esdhc_prepare_sw_tuning(stru - val = sdhci_readl(host, ESDHC_TBSTAT); - val = sdhci_readl(host, ESDHC_TBSTAT); - -+ *window_end = val & 0xff; -+ *window_start = (val >> 8) & 0xff; -+} -+ -+static void esdhc_prepare_sw_tuning(struct sdhci_host *host, u8 *window_start, -+ u8 *window_end) -+{ -+ struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); -+ struct sdhci_esdhc *esdhc = sdhci_pltfm_priv(pltfm_host); -+ u8 start_ptr, end_ptr; -+ -+ if (esdhc->quirk_tuning_erratum_type1) { -+ *window_start = 5 * esdhc->div_ratio; -+ *window_end = 3 * esdhc->div_ratio; -+ return; -+ } -+ -+ esdhc_tuning_window_ptr(host, &start_ptr, &end_ptr); -+ - /* Reset data lines by setting ESDHCCTL[RSTD] */ - sdhci_reset(host, SDHCI_RESET_DATA); - /* Write 32'hFFFF_FFFF to IRQSTAT register */ -@@ -966,10 +976,8 @@ static void esdhc_prepare_sw_tuning(stru - * then program TBPTR[TB_WNDW_END_PTR] = 4 * div_ratio - * and program TBPTR[TB_WNDW_START_PTR] = 8 * div_ratio. - */ -- tbstat_7_0 = val & 0xff; -- tbstat_15_8 = (val >> 8) & 0xff; - -- if (abs(tbstat_15_8 - tbstat_7_0) > (4 * esdhc->div_ratio)) { -+ if (abs(start_ptr - end_ptr) > (4 * esdhc->div_ratio)) { - *window_start = 8 * esdhc->div_ratio; - *window_end = 4 * esdhc->div_ratio; - } else { |