<p>Philipp Deppenwiese <strong>merged</strong> this change.</p><p><a href="https://review.coreboot.org/28789">View Change</a></p><div style="white-space:pre-wrap">Approvals:
build bot (Jenkins): Verified
Paul Menzel: Looks good to me, but someone else must approve
Philipp Deppenwiese: Looks good to me, approved
</div><pre style="font-family: monospace,monospace; white-space: pre-wrap;">soc/cavium/cn81xx/spi: Add function to return SPI clock<br><br>Change-Id: I07c95b9ea14d47da0497470487fa3f162f8012c8<br>Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com><br>Reviewed-on: https://review.coreboot.org/28789<br>Tested-by: build bot (Jenkins) <no-reply@coreboot.org><br>Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net><br>Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com><br>---<br>M src/soc/cavium/cn81xx/include/soc/spi.h<br>M src/soc/cavium/cn81xx/spi.c<br>2 files changed, 22 insertions(+), 0 deletions(-)<br><br></pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;"><span>diff --git a/src/soc/cavium/cn81xx/include/soc/spi.h b/src/soc/cavium/cn81xx/include/soc/spi.h</span><br><span>index bb69daa..33f0f29 100644</span><br><span>--- a/src/soc/cavium/cn81xx/include/soc/spi.h</span><br><span>+++ b/src/soc/cavium/cn81xx/include/soc/spi.h</span><br><span>@@ -29,6 +29,7 @@</span><br><span> const size_t speed_hz,</span><br><span> const size_t idle_low,</span><br><span> const size_t idle_cycles);</span><br><span style="color: hsl(120, 100%, 40%);">+uint64_t spi_get_clock(const size_t bus);</span><br><span> void spi_set_lsbmsb(const size_t bus, const size_t lsb_first);</span><br><span> void spi_init_custom(const size_t bus,</span><br><span> const size_t speed_hz,</span><br><span>diff --git a/src/soc/cavium/cn81xx/spi.c b/src/soc/cavium/cn81xx/spi.c</span><br><span>index 5a5865e..6527f22 100644</span><br><span>--- a/src/soc/cavium/cn81xx/spi.c</span><br><span>+++ b/src/soc/cavium/cn81xx/spi.c</span><br><span>@@ -218,6 +218,27 @@</span><br><span> }</span><br><span> </span><br><span> /**</span><br><span style="color: hsl(120, 100%, 40%);">+ * Get current SPI clock frequency in Hz.</span><br><span style="color: hsl(120, 100%, 40%);">+ *</span><br><span style="color: hsl(120, 100%, 40%);">+ * @param bus The SPI bus to operate on</span><br><span style="color: hsl(120, 100%, 40%);">+ */</span><br><span style="color: hsl(120, 100%, 40%);">+uint64_t spi_get_clock(const size_t bus)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ union cavium_spi_cfg cfg;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ assert(bus < ARRAY_SIZE(cavium_spi_slaves));</span><br><span style="color: hsl(120, 100%, 40%);">+ if (bus >= ARRAY_SIZE(cavium_spi_slaves))</span><br><span style="color: hsl(120, 100%, 40%);">+ return 0;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ struct cavium_spi *regs = cavium_spi_slaves[bus].regs;</span><br><span style="color: hsl(120, 100%, 40%);">+ const uint64_t sclk = thunderx_get_io_clock();</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ cfg.u = read64(®s->cfg);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ return (sclk / (2ULL * cfg.s.clkdiv));</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+/**</span><br><span> * Set SPI LSB/MSB first.</span><br><span> *</span><br><span> * @param bus The SPI bus to operate on</span><br><span></span><br></pre><p>To view, visit <a href="https://review.coreboot.org/28789">change 28789</a>. To unsubscribe, or for help writing mail filters, visit <a href="https://review.coreboot.org/settings">settings</a>.</p><div itemscope itemtype="http://schema.org/EmailMessage"><div itemscope itemprop="action" itemtype="http://schema.org/ViewAction"><link itemprop="url" href="https://review.coreboot.org/28789"/><meta itemprop="name" content="View Change"/></div></div>
<div style="display:none"> Gerrit-Project: coreboot </div>
<div style="display:none"> Gerrit-Branch: master </div>
<div style="display:none"> Gerrit-MessageType: merged </div>
<div style="display:none"> Gerrit-Change-Id: I07c95b9ea14d47da0497470487fa3f162f8012c8 </div>
<div style="display:none"> Gerrit-Change-Number: 28789 </div>
<div style="display:none"> Gerrit-PatchSet: 2 </div>
<div style="display:none"> Gerrit-Owner: Patrick Rudolph <patrick.rudolph@9elements.com> </div>
<div style="display:none"> Gerrit-Reviewer: David Hendricks <david.hendricks@gmail.com> </div>
<div style="display:none"> Gerrit-Reviewer: Paul Menzel <paulepanter@users.sourceforge.net> </div>
<div style="display:none"> Gerrit-Reviewer: Philipp Deppenwiese <zaolin.daisuki@gmail.com> </div>
<div style="display:none"> Gerrit-Reviewer: build bot (Jenkins) <no-reply@coreboot.org> </div>