From 33f92e0d4b5f53f01eab4b3d3678e855e68d11d9 Mon Sep 17 00:00:00 2001 From: Aaron Durbin Date: Wed, 13 Aug 2014 14:51:46 -0500 Subject: 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 Original-Commit-Id: f7adaf969762b8296034f4373f550a902d1ed06b Original-Change-Id: Iea6cd2fbe8369a91c06b15d94b63c409ae83124f Original-Signed-off-by: Aaron Durbin Original-Reviewed-on: https://chromium-review.googlesource.com/212167 Original-Reviewed-by: Furquan Shaikh Reviewed-on: http://review.coreboot.org/8932 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer --- src/soc/nvidia/tegra132/funitcfg.c | 44 ++++++++++++++++++++++---------------- 1 file changed, 25 insertions(+), 19 deletions(-) (limited to 'src/soc/nvidia/tegra132') 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, -- cgit v1.2.3