[U-Boot] [PATCH 9/9] clk: stm32f7: remove clock_get()
patrice.chotard at st.com
patrice.chotard at st.com
Tue Jul 18 07:29:10 UTC 2017
From: Patrice Chotard <patrice.chotard at st.com>
All drivers which was using clock_get() are now using
clk_get_rate() from clock framework, now it's safe to
remove clock_get().
Signed-off-by: Patrice Chotard <patrice.chotard at st.com>
Acked-by: Vikas MANOCHA <vikas.manocha at st.com>
---
arch/arm/include/asm/arch-stm32f7/stm32.h | 6 ----
drivers/clk/clk_stm32f7.c | 48 -------------------------------
2 files changed, 54 deletions(-)
diff --git a/arch/arm/include/asm/arch-stm32f7/stm32.h b/arch/arm/include/asm/arch-stm32f7/stm32.h
index 12efee5..87aee60 100644
--- a/arch/arm/include/asm/arch-stm32f7/stm32.h
+++ b/arch/arm/include/asm/arch-stm32f7/stm32.h
@@ -57,11 +57,6 @@ static const u32 sect_sz_kb[CONFIG_SYS_MAX_FLASH_SECT] = {
[5 ... 7] = 256 * 1024
};
-enum clock {
- CLOCK_AHB,
- CLOCK_APB1,
- CLOCK_APB2
-};
#define STM32_BUS_MASK GENMASK(31, 16)
struct stm32_rcc_regs {
@@ -108,7 +103,6 @@ struct stm32_pwr_regs {
};
#define STM32_PWR ((struct stm32_pwr_regs *)PWR_BASE)
-unsigned long clock_get(enum clock clck);
void stm32_flash_latency_cfg(int latency);
#endif /* _ASM_ARCH_HARDWARE_H */
diff --git a/drivers/clk/clk_stm32f7.c b/drivers/clk/clk_stm32f7.c
index 5bc650a..255a583 100644
--- a/drivers/clk/clk_stm32f7.c
+++ b/drivers/clk/clk_stm32f7.c
@@ -171,54 +171,6 @@ static int configure_clocks(struct udevice *dev)
return 0;
}
-unsigned long clock_get(enum clock clck)
-{
- u32 sysclk = 0;
- u32 shift = 0;
- /* Prescaler table lookups for clock computation */
- u8 ahb_psc_table[16] = {
- 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9
- };
- u8 apb_psc_table[8] = {
- 0, 0, 0, 0, 1, 2, 3, 4
- };
-
- if ((readl(&STM32_RCC->cfgr) & RCC_CFGR_SWS_MASK) ==
- RCC_CFGR_SWS_PLL) {
- u16 pllm, plln, pllp;
- pllm = (readl(&STM32_RCC->pllcfgr) & RCC_PLLCFGR_PLLM_MASK);
- plln = ((readl(&STM32_RCC->pllcfgr) & RCC_PLLCFGR_PLLN_MASK)
- >> RCC_PLLCFGR_PLLN_SHIFT);
- pllp = ((((readl(&STM32_RCC->pllcfgr) & RCC_PLLCFGR_PLLP_MASK)
- >> RCC_PLLCFGR_PLLP_SHIFT) + 1) << 1);
- sysclk = ((CONFIG_STM32_HSE_HZ / pllm) * plln) / pllp;
- }
-
- switch (clck) {
- case CLOCK_AHB:
- shift = ahb_psc_table[(
- (readl(&STM32_RCC->cfgr) & RCC_CFGR_AHB_PSC_MASK)
- >> RCC_CFGR_HPRE_SHIFT)];
- return sysclk >>= shift;
- break;
- case CLOCK_APB1:
- shift = apb_psc_table[(
- (readl(&STM32_RCC->cfgr) & RCC_CFGR_APB1_PSC_MASK)
- >> RCC_CFGR_PPRE1_SHIFT)];
- return sysclk >>= shift;
- break;
- case CLOCK_APB2:
- shift = apb_psc_table[(
- (readl(&STM32_RCC->cfgr) & RCC_CFGR_APB2_PSC_MASK)
- >> RCC_CFGR_PPRE2_SHIFT)];
- return sysclk >>= shift;
- break;
- default:
- return 0;
- break;
- }
-}
-
static unsigned long stm32_clk_get_rate(struct clk *clk)
{
struct stm32_clk *priv = dev_get_priv(clk->dev);
--
1.9.1
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