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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>
This commit is contained in:
Aaron Durbin 2014-08-13 14:51:46 -05:00 committed by Patrick Georgi
parent 662d3bb982
commit 33f92e0d4b
1 changed files with 25 additions and 19 deletions
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44
src/soc/nvidia/tegra132/funitcfg.c
View File

@ -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,