diff options
| author | Aaron Durbin <adurbin@chromium.org> | 2014-08-13 14:51:46 -0500 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-03-26 00:27:14 +0100 |
| commit | 33f92e0d4b5f53f01eab4b3d3678e855e68d11d9 (patch) | |
| tree | ae96a1f29f6e2d2fb1ec68cc0a09e36360acc3e5 /src/soc/nvidia | |
| parent | 662d3bb982260fed7ceb86a99fe6be6b3baf1bf1 (diff) | |
tegra132: break out clock config in funit library
In order to prepare for USB initialization move the clock
configuration into a separate routine in the funit library.
BUG=chrome-os-partner:31251
BRANCH=None
TEST=Built and booted into recovery mode.
Change-Id: I090b5d12c5805f0179c29cfc62499fad2f245c01
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: f7adaf969762b8296034f4373f550a902d1ed06b
Original-Change-Id: Iea6cd2fbe8369a91c06b15d94b63c409ae83124f
Original-Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/212167
Original-Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/8932
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/soc/nvidia')
| -rw-r--r-- | src/soc/nvidia/tegra132/funitcfg.c | 44 |
1 files changed, 25 insertions, 19 deletions
diff --git a/src/soc/nvidia/tegra132/funitcfg.c b/src/soc/nvidia/tegra132/funitcfg.c index 9111a91e46..616e5d67a9 100644 --- a/src/soc/nvidia/tegra132/funitcfg.c +++ b/src/soc/nvidia/tegra132/funitcfg.c @@ -100,18 +100,39 @@ static inline uint32_t get_clk_src_freq(uint32_t clk_src) return freq; } -void soc_configure_funits(const struct funit_cfg * const entries, size_t num) +static void configure_clock(const struct funit_cfg * const entry, + const struct funit_cfg_data * const funit) { - size_t i; const char *funit_i2c = "i2c"; uint32_t clk_div; uint32_t clk_div_mask; + uint32_t clk_src_freq; + + clk_src_freq = get_clk_src_freq(entry->clk_src_id); + + if (strncmp(funit->name, funit_i2c, strlen(funit_i2c)) == 0) { + /* I2C funit */ + clk_div = get_i2c_clk_div(clk_src_freq, + entry->clk_dev_freq_khz); + clk_div_mask = CLK_DIV_MASK_I2C; + } else { + /* Non I2C */ + clk_div = get_clk_div(clk_src_freq, entry->clk_dev_freq_khz); + clk_div_mask = CLK_DIV_MASK; + } + + _clock_set_div(funit->clk_src_reg, funit->name, clk_div, + clk_div_mask, entry->clk_src_id); +} + +void soc_configure_funits(const struct funit_cfg * const entries, size_t num) +{ + size_t i; for (i = 0; i < num; i++) { const struct funit_cfg * const entry = &entries[i]; const struct funit_cfg_data *funit; const struct clk_dev_control *dev_control; - uint32_t clk_src_freq; if (entry->funit_index >= FUNIT_INDEX_MAX) { printk(BIOS_ERR, "Error: Index out of bounds\n"); @@ -121,22 +142,7 @@ void soc_configure_funits(const struct funit_cfg * const entries, size_t num) funit = &funit_data[entry->funit_index]; dev_control = funit->dev_control; - clk_src_freq = get_clk_src_freq(entry->clk_src_id); - - if (strncmp(funit->name,funit_i2c,strlen(funit_i2c)) == 0) { - /* I2C funit */ - clk_div = get_i2c_clk_div(clk_src_freq, - entry->clk_dev_freq_khz); - clk_div_mask = CLK_DIV_MASK_I2C; - } else { - /* Non I2C */ - clk_div = get_clk_div(clk_src_freq, - entry->clk_dev_freq_khz); - clk_div_mask = CLK_DIV_MASK; - } - - _clock_set_div(funit->clk_src_reg, funit->name, clk_div, - clk_div_mask, entry->clk_src_id); + configure_clock(entry, funit); clock_grp_enable_clear_reset(funit->clk_enb_val, dev_control->clk_enb_set, |