[U-Boot] [PATCH 4/7] mx7ulp: scg: Remove unnused scg_a7_apll_init()

Fabio Estevam
2019-10-21T13:50:31Z

scg_a7_apll_init() is not called anywhere, so remove such dead code

Signed-off-by: Fabio Estevam <festevam@gmail.com>
---
arch/arm/include/asm/arch-mx7ulp/scg.h | 1 -
arch/arm/mach-imx/mx7ulp/scg.c | 61 --------------------------
2 files changed, 62 deletions(-)

diff --git a/arch/arm/include/asm/arch-mx7ulp/scg.h b/arch/arm/include/asm/arch-mx7ulp/scg.h
index 531d8f3a95..b79bde338f 100644
--- a/arch/arm/include/asm/arch-mx7ulp/scg.h
+++ b/arch/arm/include/asm/arch-mx7ulp/scg.h
@@ -331,7 +331,6 @@ u32 decode_pll(enum pll_clocks pll);
void scg_a7_rccr_init(void);
void scg_a7_spll_init(void);
void scg_a7_ddrclk_init(void);
-void scg_a7_apll_init(void);
void scg_a7_firc_init(void);
void scg_a7_nicclk_init(void);
void scg_a7_sys_clk_sel(enum scg_sys_src clk);
diff --git a/arch/arm/mach-imx/mx7ulp/scg.c b/arch/arm/mach-imx/mx7ulp/scg.c
index 819c90af6c..c7bb7a1c66 100644
--- a/arch/arm/mach-imx/mx7ulp/scg.c
+++ b/arch/arm/mach-imx/mx7ulp/scg.c
@@ -949,67 +949,6 @@ void scg_a7_ddrclk_init(void)
/* Clock source is System OSC <<0 */
#define SCG1_APLL_CFG_CLKSRC_NUM ((0x0) << SCG_PLL_CFG_CLKSRC_SHIFT)

-/*
- * A7 APLL = 24MHz / 1 * 22 / 1 / 1 = 528MHz,
- * system PLL is sourced from APLL,
- * APLL clock source is system OSC (24MHz)
- */
-#define SCG1_APLL_CFG_NUM_24M_OSC (SCG1_APLL_CFG_POSTDIV2_NUM | \
- SCG1_APLL_CFG_POSTDIV1_NUM | \
- (22 << SCG_PLL_CFG_MULT_SHIFT) | \
- SCG1_APLL_CFG_PFDSEL_NUM | \
- SCG1_APLL_CFG_PREDIV_NUM | \
- SCG1_APLL_CFG_BYPASS_NUM | \
- SCG1_APLL_CFG_PLLSEL_NUM | \
- SCG1_APLL_CFG_CLKSRC_NUM)
-
-/* PFD0 Freq = A7 APLL(528MHz) * 18 / 27 = 352MHz */
-#define SCG1_APLL_PFD0_FRAC_NUM (27)
-
-
-void scg_a7_apll_init(void)
-{
- u32 val = 0;
-
- /* Disable A7 Auxiliary PLL */
- val = readl(&scg1_regs->apllcsr);
- val &= ~SCG_APLL_CSR_APLLEN_MASK;
- writel(val, &scg1_regs->apllcsr);
-
- /* Gate off A7 APLL PFD0 ~ PDF4 */
- val = readl(&scg1_regs->apllpfd);
- val |= 0x80808080;
- writel(val, &scg1_regs->apllpfd);
-
- /* ================ A7 APLL Configuration Start ============== */
- /* Configure A7 Auxiliary PLL */
- writel(SCG1_APLL_CFG_NUM_24M_OSC, &scg1_regs->apllcfg);
-
- /* Enable A7 Auxiliary PLL */
- val = readl(&scg1_regs->apllcsr);
- val |= SCG_APLL_CSR_APLLEN_MASK;
- writel(val, &scg1_regs->apllcsr);
-
- /* Wait for A7 APLL clock ready */
- while (!(readl(&scg1_regs->apllcsr) & SCG_APLL_CSR_APLLVLD_MASK))
- ;
-
- /* Configure A7 APLL PFD0 */
- val = readl(&scg1_regs->apllpfd);
- val &= ~SCG_PLL_PFD0_FRAC_MASK;
- val |= SCG1_APLL_PFD0_FRAC_NUM;
- writel(val, &scg1_regs->apllpfd);
-
- /* Un-gate A7 APLL PFD0 */
- val = readl(&scg1_regs->apllpfd);
- val &= ~SCG_PLL_PFD0_GATE_MASK;
- writel(val, &scg1_regs->apllpfd);
-
- /* Wait for A7 APLL PFD0 clock being valid */
- while (!(readl(&scg1_regs->apllpfd) & SCG_PLL_PFD0_VALID_MASK))
- ;
-}
-
/* SCG1(A7) FIRC DIV configurations */
/* Disable FIRC DIV3 */
#define SCG1_FIRCDIV_DIV3_NUM ((0x0) << SCG_FIRCDIV_DIV3_SHIFT)
--
2.17.1