[U-Boot,4/7] mx7ulp: scg: Remove unnused scg_a7_apll_init()
diff mbox series

Message ID 20191021135034.18677-4-festevam@gmail.com
State Superseded
Delegated to: Stefano Babic
Headers show
Series
  • [U-Boot,1/7] mx7ulp: Print the LDO mode status
Related show

Commit Message

Fabio Estevam Oct. 21, 2019, 1:50 p.m. UTC
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(-)

Patch
diff mbox series

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)