u-boot (Allwinner): drop upstreamed patches from 2025.07

- https://github.com/u-boot/u-boot/commits/master/arch/arm/mach-sunxi/dram_sun50i_h6.c

projects/Allwinner/patches/u-boot/0016-sunxi-h6-Fix-DRAM-size-detection.patch

@@ -1,132 +0,0 @@
-From dacaffdf195c924b33c6ad0a7f93de18dfed92b4 Mon Sep 17 00:00:00 2001
-From: Jernej Skrabec <jernej.skrabec@gmail.com>
-Date: Sat, 15 Mar 2025 19:52:31 +0100
-Subject: [PATCH] sunxi: h6: Fix DRAM size detection
-
-This is based on submitted patches for newer SoCs. It needs to be
-properly reworked once they are merged.
-
-Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
----
- arch/arm/mach-sunxi/dram_sun50i_h6.c | 97 ++++++++++++++++++++++------
- 1 file changed, 79 insertions(+), 18 deletions(-)
-
-diff --git a/arch/arm/mach-sunxi/dram_sun50i_h6.c b/arch/arm/mach-sunxi/dram_sun50i_h6.c
-index e7862bd06ea3..f5ee64cfead4 100644
---- a/arch/arm/mach-sunxi/dram_sun50i_h6.c
-+++ b/arch/arm/mach-sunxi/dram_sun50i_h6.c
-@@ -601,32 +601,93 @@ static void mctl_auto_detect_rank_width(struct dram_para *para)
- 	panic("This DRAM setup is currently not supported.\n");
- }
- 
-+static void mctl_write_pattern(void)
-+{
-+	unsigned int i;
-+	u32 *ptr, val;
-+
-+	ptr = (u32*)CFG_SYS_SDRAM_BASE;
-+	for (i = 0; i < 16; ptr++, i++) {
-+		if (i & 1)
-+			val = ~(ulong)ptr;
-+		else
-+			val = (ulong)ptr;
-+		writel(val, ptr);
-+	}
-+}
-+
-+static bool mctl_check_pattern(ulong offset)
-+{
-+	unsigned int i;
-+	u32 *ptr, val;
-+
-+	ptr = (u32*)CFG_SYS_SDRAM_BASE;
-+	for (i = 0; i < 16; ptr++, i++) {
-+		if (i & 1)
-+			val = ~(ulong)ptr;
-+		else
-+			val = (ulong)ptr;
-+		if (val != *(ptr + offset / 4))
-+			return false;
-+	}
-+
-+	return true;
-+}
-+
- static void mctl_auto_detect_dram_size(struct dram_para *para)
- {
--	/* TODO: non-(LP)DDR3 */
-+	unsigned int shift, cols, rows;
-+	u32 buffer[16];
- 
--	/* detect row address bits */
--	para->cols = 8;
--	para->rows = 18;
--	mctl_core_init(para);
--
--	for (para->rows = 13; para->rows < 18; para->rows++) {
--		/* 8 banks, 8 bit per byte and 16/32 bit width */
--		if (mctl_mem_matches((1 << (para->rows + para->cols +
--					    4 + para->bus_full_width))))
--			break;
--	}
--
--	/* detect column address bits */
-+	/* max. config for columns, but not rows */
- 	para->cols = 11;
-+	para->rows = 13;
- 	mctl_core_init(para);
- 
--	for (para->cols = 8; para->cols < 11; para->cols++) {
--		/* 8 bits per byte and 16/32 bit width */
--		if (mctl_mem_matches(1 << (para->cols + 1 +
--					   para->bus_full_width)))
-+	/*
-+	 * Store content so it can be restored later. This is important
-+	 * if controller was already initialized and holds any data
-+	 * which is important for restoring system.
-+	 */
-+	memcpy(buffer, (u32*)CFG_SYS_SDRAM_BASE, sizeof(buffer));
-+
-+	mctl_write_pattern();
-+
-+	shift = para->bus_full_width + 1;
-+
-+	/* detect column address bits */
-+	for (cols = 8; cols < 11; cols++) {
-+		if (mctl_check_pattern(1ULL << (cols + shift)))
- 			break;
- 	}
-+	debug("detected %u columns\n", cols);
-+
-+	/* restore data */
-+	memcpy((u32*)CFG_SYS_SDRAM_BASE, buffer, sizeof(buffer));
-+
-+	/* reconfigure to make sure that all active rows are accessible */
-+	para->cols = 8;
-+	para->rows = 17;
-+	mctl_core_init(para);
-+
-+	/* store data again as it might be moved */
-+	memcpy(buffer, (u32*)CFG_SYS_SDRAM_BASE, sizeof(buffer));
-+
-+	mctl_write_pattern();
-+
-+	/* detect row address bits */
-+	shift = para->bus_full_width + 4 + para->cols;
-+	for (rows = 13; rows < 17; rows++) {
-+		if (mctl_check_pattern(1ULL << (rows + shift)))
-+			break;
-+	}
-+	debug("detected %u rows\n", rows);
-+
-+	/* restore data again */
-+	memcpy((u32*)CFG_SYS_SDRAM_BASE, buffer, sizeof(buffer));
-+
-+	para->cols = cols;
-+	para->rows = rows;
- }
- 
- unsigned long mctl_calc_size(struct dram_para *para)
--- 
-2.48.1
-