diff options
| author | Stefan Roese <sr@denx.de> | 2014-11-07 13:50:29 +0100 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2014-11-07 16:09:10 +0100 |
| commit | d2bb937db911b19ed38dd4e5a30b5bf4f2e5a951 (patch) | |
| tree | 02edc8d669f5b5f14ce7bf78dff107c922d9c7ad /arch | |
| parent | 51c580c6c92c01884f520f4ffaeb6885ee8e666e (diff) | |
arm: socfpga: Add DW master SPI clock to clock_manager.c
This function will be needed by the upcoming Designware master SPI
driver.
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Chin Liang See <clsee@altera.com>
Cc: Dinh Nguyen <dinguyen@altera.com>
Cc: Vince Bridgers <vbridger@altera.com>
Cc: Marek Vasut <marex@denx.de>
Cc: Pavel Machek <pavel@denx.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/cpu/armv7/socfpga/clock_manager.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/socfpga/clock_manager.c b/arch/arm/cpu/armv7/socfpga/clock_manager.c index d869f47c88..fa3b93a257 100644 --- a/arch/arm/cpu/armv7/socfpga/clock_manager.c +++ b/arch/arm/cpu/armv7/socfpga/clock_manager.c @@ -507,6 +507,19 @@ unsigned int cm_get_qspi_controller_clk_hz(void) return clock; } +unsigned int cm_get_spi_controller_clk_hz(void) +{ + uint32_t reg, clock = 0; + + clock = cm_get_per_vco_clk_hz(); + + /* get the clock prior L4 SP divider (periph_base_clk) */ + reg = readl(&clock_manager_base->per_pll.perbaseclk); + clock /= (reg + 1); + + return clock; +} + static void cm_print_clock_quick_summary(void) { printf("MPU %10ld kHz\n", cm_get_mpu_clk_hz() / 1000); @@ -518,6 +531,7 @@ static void cm_print_clock_quick_summary(void) printf("MMC %8d kHz\n", cm_get_mmc_controller_clk_hz() / 1000); printf("QSPI %8d kHz\n", cm_get_qspi_controller_clk_hz() / 1000); printf("UART %8d kHz\n", cm_get_l4_sp_clk_hz() / 1000); + printf("SPI %8d kHz\n", cm_get_spi_controller_clk_hz() / 1000); } int set_cpu_clk_info(void) |