diff options
Diffstat (limited to 'target/linux/at91/patches-5.10/213-ARM-at91-pm-add-sama7g5-ddr-phy-controller.patch')
| -rw-r--r-- | target/linux/at91/patches-5.10/213-ARM-at91-pm-add-sama7g5-ddr-phy-controller.patch | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/target/linux/at91/patches-5.10/213-ARM-at91-pm-add-sama7g5-ddr-phy-controller.patch b/target/linux/at91/patches-5.10/213-ARM-at91-pm-add-sama7g5-ddr-phy-controller.patch deleted file mode 100644 index 89dcacec92..0000000000 --- a/target/linux/at91/patches-5.10/213-ARM-at91-pm-add-sama7g5-ddr-phy-controller.patch +++ /dev/null @@ -1,94 +0,0 @@ -From bbbbf16c44f34a2d563fa7d71de64ffe3b4b82dc Mon Sep 17 00:00:00 2001 -From: Claudiu Beznea <claudiu.beznea@microchip.com> -Date: Thu, 15 Apr 2021 13:50:04 +0300 -Subject: [PATCH 213/247] ARM: at91: pm: add sama7g5 ddr phy controller - -SAMA7G5 self-refresh procedure accesses also the DDR PHY registers. -Adapt the code so that the at91_dt_ramc() to look also for DDR PHYs, -in case it is mandatory. - -Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com> -Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com> -Link: https://lore.kernel.org/r/20210415105010.569620-19-claudiu.beznea@microchip.com ---- - arch/arm/mach-at91/pm.c | 27 +++++++++++++++++++++------ - 1 file changed, 21 insertions(+), 6 deletions(-) - ---- a/arch/arm/mach-at91/pm.c -+++ b/arch/arm/mach-at91/pm.c -@@ -552,7 +552,12 @@ static const struct of_device_id ramc_id - { /*sentinel*/ } - }; - --static __init int at91_dt_ramc(void) -+static const struct of_device_id ramc_phy_ids[] __initconst = { -+ { .compatible = "microchip,sama7g5-ddr3phy", }, -+ { /* Sentinel. */ }, -+}; -+ -+static __init void at91_dt_ramc(bool phy_mandatory) - { - struct device_node *np; - const struct of_device_id *of_id; -@@ -585,6 +590,16 @@ static __init int at91_dt_ramc(void) - goto unmap_ramc; - } - -+ /* Lookup for DDR PHY node, if any. */ -+ for_each_matching_node_and_match(np, ramc_phy_ids, &of_id) { -+ soc_pm.data.ramc_phy = of_iomap(np, 0); -+ if (!soc_pm.data.ramc_phy) -+ panic(pr_fmt("unable to map ramc phy cpu registers\n")); -+ } -+ -+ if (phy_mandatory && !soc_pm.data.ramc_phy) -+ panic(pr_fmt("DDR PHY is mandatory!\n")); -+ - if (!standby) { - pr_warn("ramc no standby function available\n"); - return 0; -@@ -953,7 +968,7 @@ void __init at91rm9200_pm_init(void) - soc_pm.data.standby_mode = AT91_PM_STANDBY; - soc_pm.data.suspend_mode = AT91_PM_ULP0; - -- ret = at91_dt_ramc(); -+ ret = at91_dt_ramc(false); - if (ret) - return; - -@@ -980,7 +995,7 @@ void __init sam9x60_pm_init(void) - - at91_pm_modes_validate(modes, ARRAY_SIZE(modes)); - at91_pm_modes_init(iomaps, ARRAY_SIZE(iomaps)); -- ret = at91_dt_ramc(); -+ ret = at91_dt_ramc(false); - if (ret) - return; - -@@ -1005,7 +1020,7 @@ void __init at91sam9_pm_init(void) - soc_pm.data.standby_mode = AT91_PM_STANDBY; - soc_pm.data.suspend_mode = AT91_PM_ULP0; - -- ret = at91_dt_ramc(); -+ ret = at91_dt_ramc(false); - if (ret) - return; - -@@ -1023,7 +1038,7 @@ void __init sama5_pm_init(void) - return; - - at91_pm_modes_validate(modes, ARRAY_SIZE(modes)); -- ret = at91_dt_ramc(); -+ ret = at91_dt_ramc(false); - if (ret) - return; - -@@ -1048,7 +1063,7 @@ void __init sama5d2_pm_init(void) - - at91_pm_modes_validate(modes, ARRAY_SIZE(modes)); - at91_pm_modes_init(iomaps, ARRAY_SIZE(iomaps)); -- ret = at91_dt_ramc(); -+ ret = at91_dt_ramc(false); - if (ret) - return; - |