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62b7f5931c
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>
(cherry-picked from commit f07e572f64)
97 lines
3.1 KiB
Diff
97 lines
3.1 KiB
Diff
From 1231dbeb8bfeda68c53854cc68016acd74665079 Mon Sep 17 00:00:00 2001
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From: Maxime Ripard <maxime@cerno.tech>
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Date: Fri, 7 Feb 2020 16:08:17 +0100
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Subject: [PATCH] clk: bcm: rpi: Pass the clocks data to the firmware
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function
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The raspberry_clock_property only takes the clock ID as an argument, but
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now that we have a clock data structure it makes more sense to just pass
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that structure instead.
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Cc: Michael Turquette <mturquette@baylibre.com>
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Cc: Stephen Boyd <sboyd@kernel.org>
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Cc: linux-clk@vger.kernel.org
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Acked-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
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Signed-off-by: Maxime Ripard <maxime@cerno.tech>
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---
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drivers/clk/bcm/clk-raspberrypi.c | 29 ++++++++++++++---------------
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1 file changed, 14 insertions(+), 15 deletions(-)
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--- a/drivers/clk/bcm/clk-raspberrypi.c
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+++ b/drivers/clk/bcm/clk-raspberrypi.c
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@@ -67,11 +67,12 @@ struct raspberrypi_firmware_prop {
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__le32 disable_turbo;
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} __packed;
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-static int raspberrypi_clock_property(struct rpi_firmware *firmware, u32 tag,
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- u32 clk, u32 *val)
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+static int raspberrypi_clock_property(struct rpi_firmware *firmware,
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+ const struct raspberrypi_clk_data *data,
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+ u32 tag, u32 *val)
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{
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struct raspberrypi_firmware_prop msg = {
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- .id = cpu_to_le32(clk),
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+ .id = cpu_to_le32(data->id),
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.val = cpu_to_le32(*val),
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.disable_turbo = cpu_to_le32(1),
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};
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@@ -94,9 +95,8 @@ static int raspberrypi_fw_pll_is_on(stru
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u32 val = 0;
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int ret;
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- ret = raspberrypi_clock_property(rpi->firmware,
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- RPI_FIRMWARE_GET_CLOCK_STATE,
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- data->id, &val);
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+ ret = raspberrypi_clock_property(rpi->firmware, data,
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+ RPI_FIRMWARE_GET_CLOCK_STATE, &val);
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if (ret)
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return 0;
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@@ -113,9 +113,8 @@ static unsigned long raspberrypi_fw_pll_
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u32 val = 0;
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int ret;
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- ret = raspberrypi_clock_property(rpi->firmware,
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- RPI_FIRMWARE_GET_CLOCK_RATE,
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- data->id, &val);
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+ ret = raspberrypi_clock_property(rpi->firmware, data,
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+ RPI_FIRMWARE_GET_CLOCK_RATE, &val);
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if (ret)
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return ret;
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@@ -131,9 +130,9 @@ static int raspberrypi_fw_pll_set_rate(s
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u32 new_rate = rate / RPI_FIRMWARE_PLLB_ARM_DIV_RATE;
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int ret;
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- ret = raspberrypi_clock_property(rpi->firmware,
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+ ret = raspberrypi_clock_property(rpi->firmware, data,
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RPI_FIRMWARE_SET_CLOCK_RATE,
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- data->id, &new_rate);
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+ &new_rate);
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if (ret)
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dev_err_ratelimited(rpi->dev, "Failed to change %s frequency: %d",
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clk_hw_get_name(hw), ret);
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@@ -198,18 +197,18 @@ static int raspberrypi_register_pllb(str
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init.flags = CLK_GET_RATE_NOCACHE | CLK_IGNORE_UNUSED;
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/* Get min & max rates set by the firmware */
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- ret = raspberrypi_clock_property(rpi->firmware,
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+ ret = raspberrypi_clock_property(rpi->firmware, data,
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RPI_FIRMWARE_GET_MIN_CLOCK_RATE,
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- data->id, &min_rate);
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+ &min_rate);
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if (ret) {
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dev_err(rpi->dev, "Failed to get %s min freq: %d\n",
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init.name, ret);
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return ret;
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}
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- ret = raspberrypi_clock_property(rpi->firmware,
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+ ret = raspberrypi_clock_property(rpi->firmware, data,
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RPI_FIRMWARE_GET_MAX_CLOCK_RATE,
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- data->id, &max_rate);
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+ &max_rate);
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if (ret) {
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dev_err(rpi->dev, "Failed to get %s max freq: %d\n",
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init.name, ret);
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