bcm27xx: import latest patches from the RPi foundation

bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G
bcm2710: boot tested on RPi 3B v1.2
bcm2711: boot tested on RPi 4B v1.1 4G

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

1 files changed, 0 insertions, 53 deletions

diff --git a/target/linux/bcm27xx/patches-5.4/950-0219-clk-bcm2835-Add-support-for-setting-leaf-clock-rates.patch b/target/linux/bcm27xx/patches-5.4/950-0219-clk-bcm2835-Add-support-for-setting-leaf-clock-rates.patch
deleted file mode 100644
index 3227f8c914..0000000000
--- a/target/linux/bcm27xx/patches-5.4/950-0219-clk-bcm2835-Add-support-for-setting-leaf-clock-rates.patch
+++ /dev/null
@@ -1,53 +0,0 @@
-From cfe0832e8306cd9955f682b7314a5a6fc3b9d514 Mon Sep 17 00:00:00 2001
-From: Eric Anholt <eric@anholt.net>
-Date: Thu, 2 May 2019 15:11:05 -0700
-Subject: [PATCH] clk: bcm2835: Add support for setting leaf clock
- rates while running.
-
-As long as you wait for !BUSY, you can do glitch-free updates of clock
-rate while the clock is running.
-
-Signed-off-by: Eric Anholt <eric@anholt.net>
----
- drivers/clk/bcm/clk-bcm2835.c | 22 +++++++++++++---------
- 1 file changed, 13 insertions(+), 9 deletions(-)
-
---- a/drivers/clk/bcm/clk-bcm2835.c
-+++ b/drivers/clk/bcm/clk-bcm2835.c
-@@ -1114,15 +1114,19 @@ static int bcm2835_clock_set_rate(struct
- 
- 	spin_lock(&cprman->regs_lock);
- 
--	/*
--	 * Setting up frac support
--	 *
--	 * In principle it is recommended to stop/start the clock first,
--	 * but as we set CLK_SET_RATE_GATE during registration of the
--	 * clock this requirement should be take care of by the
--	 * clk-framework.
-+	ctl = cprman_read(cprman, data->ctl_reg);
-+
-+	/* If the clock is running, we have to pause clock generation while
-+	 * updating the control and div regs.  This is glitchless (no clock
-+	 * signals generated faster than the rate) but each reg access is two
-+	 * OSC cycles so the clock will slow down for a moment.
- 	 */
--	ctl = cprman_read(cprman, data->ctl_reg) & ~CM_FRAC;
-+	if (ctl & CM_ENABLE) {
-+		cprman_write(cprman, data->ctl_reg, ctl & ~CM_ENABLE);
-+		bcm2835_clock_wait_busy(clock);
-+	}
-+
-+	ctl &= ~CM_FRAC;
- 	ctl |= (div & CM_DIV_FRAC_MASK) ? CM_FRAC : 0;
- 	cprman_write(cprman, data->ctl_reg, ctl);
- 
-@@ -1494,7 +1498,7 @@ static struct clk_hw *bcm2835_register_c
- 		init.ops = &bcm2835_vpu_clock_clk_ops;
- 	} else {
- 		init.ops = &bcm2835_clock_clk_ops;
--		init.flags |= CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE;
-+		init.flags |= CLK_SET_PARENT_GATE;
- 
- 		/* If the clock wasn't actually enabled at boot, it's not
- 		 * critical.