From 02c41535b6a4744e28e89938584d8db230ac014f Mon Sep 17 00:00:00 2001
From: Jassi Brar <jaswinder.singh@linaro.org>
Date: Tue, 7 Aug 2012 14:59:18 +0530
Subject: [PATCH] ARM: OMAP4/5: Remove dead code against
 CONFIG_SYS_CLOCKS_ENABLE_ALL

The commit
 f3f98bb0 : "ARM: OMAP4/5: Do not configure non essential pads, clocks, dplls"
removed the config option aimed towards moving that stuff into kernel, which
renders some code unreachable. Remove that code.

Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
---
 .../arm/cpu/armv7/omap-common/clocks-common.c | 53 -----------
 arch/arm/cpu/armv7/omap4/hw_data.c            | 85 ------------------
 arch/arm/cpu/armv7/omap5/hw_data.c            | 88 -------------------
 arch/arm/include/asm/omap_common.h            |  1 -
 4 files changed, 227 deletions(-)

diff --git a/arch/arm/cpu/armv7/omap-common/clocks-common.c b/arch/arm/cpu/armv7/omap-common/clocks-common.c
index dfa3760dfc..8e7411d437 100644
--- a/arch/arm/cpu/armv7/omap-common/clocks-common.c
+++ b/arch/arm/cpu/armv7/omap-common/clocks-common.c
@@ -418,55 +418,6 @@ static void setup_dplls(void)
 #endif
 }
 
-#ifdef CONFIG_SYS_CLOCKS_ENABLE_ALL
-static void setup_non_essential_dplls(void)
-{
-	u32 abe_ref_clk;
-	const struct dpll_params *params;
-
-	/* IVA */
-	clrsetbits_le32((*prcm)->cm_bypclk_dpll_iva,
-		CM_BYPCLK_DPLL_IVA_CLKSEL_MASK, DPLL_IVA_CLKSEL_CORE_X2_DIV_2);
-
-	params = get_iva_dpll_params(*dplls_data);
-	do_setup_dpll((*prcm)->cm_clkmode_dpll_iva, params, DPLL_LOCK, "iva");
-
-	/* Configure ABE dpll */
-	params = get_abe_dpll_params(*dplls_data);
-#ifdef CONFIG_SYS_OMAP_ABE_SYSCK
-	abe_ref_clk = CM_ABE_PLL_REF_CLKSEL_CLKSEL_SYSCLK;
-
-	if (omap_revision() == DRA752_ES1_0)
-		/* Select the sys clk for dpll_abe */
-		clrsetbits_le32((*prcm)->cm_abe_pll_sys_clksel,
-				CM_CLKSEL_ABE_PLL_SYS_CLKSEL_MASK,
-				CM_ABE_PLL_SYS_CLKSEL_SYSCLK2);
-#else
-	abe_ref_clk = CM_ABE_PLL_REF_CLKSEL_CLKSEL_32KCLK;
-	/*
-	 * We need to enable some additional options to achieve
-	 * 196.608MHz from 32768 Hz
-	 */
-	setbits_le32((*prcm)->cm_clkmode_dpll_abe,
-			CM_CLKMODE_DPLL_DRIFTGUARD_EN_MASK|
-			CM_CLKMODE_DPLL_RELOCK_RAMP_EN_MASK|
-			CM_CLKMODE_DPLL_LPMODE_EN_MASK|
-			CM_CLKMODE_DPLL_REGM4XEN_MASK);
-	/* Spend 4 REFCLK cycles at each stage */
-	clrsetbits_le32((*prcm)->cm_clkmode_dpll_abe,
-			CM_CLKMODE_DPLL_RAMP_RATE_MASK,
-			1 << CM_CLKMODE_DPLL_RAMP_RATE_SHIFT);
-#endif
-
-	/* Select the right reference clk */
-	clrsetbits_le32((*prcm)->cm_abe_pll_ref_clksel,
-			CM_ABE_PLL_REF_CLKSEL_CLKSEL_MASK,
-			abe_ref_clk << CM_ABE_PLL_REF_CLKSEL_CLKSEL_SHIFT);
-	/* Lock the dpll */
-	do_setup_dpll((*prcm)->cm_clkmode_dpll_abe, params, DPLL_LOCK, "abe");
-}
-#endif
-
 u32 get_offset_code(u32 volt_offset, struct pmic_data *pmic)
 {
 	u32 offset_code;
@@ -760,10 +711,6 @@ void prcm_init(void)
 		timer_init();
 		scale_vcores(*omap_vcores);
 		setup_dplls();
-#ifdef CONFIG_SYS_CLOCKS_ENABLE_ALL
-		setup_non_essential_dplls();
-		enable_non_essential_clocks();
-#endif
 		setup_warmreset_time();
 		break;
 	default:
diff --git a/arch/arm/cpu/armv7/omap4/hw_data.c b/arch/arm/cpu/armv7/omap4/hw_data.c
index 1b2f439241..4dec73e9ec 100644
--- a/arch/arm/cpu/armv7/omap4/hw_data.c
+++ b/arch/arm/cpu/armv7/omap4/hw_data.c
@@ -399,91 +399,6 @@ void enable_basic_uboot_clocks(void)
 			 1);
 }
 
-/*
- * Enable non-essential clock domains, modules and
- * do some additional special settings needed
- */
-void enable_non_essential_clocks(void)
-{
-	u32 const clk_domains_non_essential[] = {
-		(*prcm)->cm_mpu_m3_clkstctrl,
-		(*prcm)->cm_ivahd_clkstctrl,
-		(*prcm)->cm_dsp_clkstctrl,
-		(*prcm)->cm_dss_clkstctrl,
-		(*prcm)->cm_sgx_clkstctrl,
-		(*prcm)->cm1_abe_clkstctrl,
-		(*prcm)->cm_c2c_clkstctrl,
-		(*prcm)->cm_cam_clkstctrl,
-		(*prcm)->cm_dss_clkstctrl,
-		(*prcm)->cm_sdma_clkstctrl,
-		0
-	};
-
-	u32 const clk_modules_hw_auto_non_essential[] = {
-		(*prcm)->cm_l3instr_l3_3_clkctrl,
-		(*prcm)->cm_l3instr_l3_instr_clkctrl,
-		(*prcm)->cm_l3instr_intrconn_wp1_clkctrl,
-		(*prcm)->cm_l3init_hsi_clkctrl,
-		0
-	};
-
-	u32 const clk_modules_explicit_en_non_essential[] = {
-		(*prcm)->cm1_abe_aess_clkctrl,
-		(*prcm)->cm1_abe_pdm_clkctrl,
-		(*prcm)->cm1_abe_dmic_clkctrl,
-		(*prcm)->cm1_abe_mcasp_clkctrl,
-		(*prcm)->cm1_abe_mcbsp1_clkctrl,
-		(*prcm)->cm1_abe_mcbsp2_clkctrl,
-		(*prcm)->cm1_abe_mcbsp3_clkctrl,
-		(*prcm)->cm1_abe_slimbus_clkctrl,
-		(*prcm)->cm1_abe_timer5_clkctrl,
-		(*prcm)->cm1_abe_timer6_clkctrl,
-		(*prcm)->cm1_abe_timer7_clkctrl,
-		(*prcm)->cm1_abe_timer8_clkctrl,
-		(*prcm)->cm1_abe_wdt3_clkctrl,
-		(*prcm)->cm_l4per_gptimer9_clkctrl,
-		(*prcm)->cm_l4per_gptimer10_clkctrl,
-		(*prcm)->cm_l4per_gptimer11_clkctrl,
-		(*prcm)->cm_l4per_gptimer3_clkctrl,
-		(*prcm)->cm_l4per_gptimer4_clkctrl,
-		(*prcm)->cm_l4per_hdq1w_clkctrl,
-		(*prcm)->cm_l4per_mcbsp4_clkctrl,
-		(*prcm)->cm_l4per_mcspi2_clkctrl,
-		(*prcm)->cm_l4per_mcspi3_clkctrl,
-		(*prcm)->cm_l4per_mcspi4_clkctrl,
-		(*prcm)->cm_l4per_mmcsd3_clkctrl,
-		(*prcm)->cm_l4per_mmcsd4_clkctrl,
-		(*prcm)->cm_l4per_mmcsd5_clkctrl,
-		(*prcm)->cm_l4per_uart1_clkctrl,
-		(*prcm)->cm_l4per_uart2_clkctrl,
-		(*prcm)->cm_l4per_uart4_clkctrl,
-		(*prcm)->cm_wkup_keyboard_clkctrl,
-		(*prcm)->cm_wkup_wdtimer2_clkctrl,
-		(*prcm)->cm_cam_iss_clkctrl,
-		(*prcm)->cm_cam_fdif_clkctrl,
-		(*prcm)->cm_dss_dss_clkctrl,
-		(*prcm)->cm_sgx_sgx_clkctrl,
-		0
-	};
-
-	/* Enable optional functional clock for ISS */
-	setbits_le32((*prcm)->cm_cam_iss_clkctrl, ISS_CLKCTRL_OPTFCLKEN_MASK);
-
-	/* Enable all optional functional clocks of DSS */
-	setbits_le32((*prcm)->cm_dss_dss_clkctrl, DSS_CLKCTRL_OPTFCLKEN_MASK);
-
-	do_enable_clocks(clk_domains_non_essential,
-			 clk_modules_hw_auto_non_essential,
-			 clk_modules_explicit_en_non_essential,
-			 0);
-
-	/* Put camera module in no sleep mode */
-	clrsetbits_le32((*prcm)->cm_cam_clkstctrl,
-			MODULE_CLKCTRL_MODULEMODE_MASK,
-			CD_CLKCTRL_CLKTRCTRL_NO_SLEEP <<
-			MODULE_CLKCTRL_MODULEMODE_SHIFT);
-}
-
 void hw_data_init(void)
 {
 	u32 omap_rev = omap_revision();
diff --git a/arch/arm/cpu/armv7/omap5/hw_data.c b/arch/arm/cpu/armv7/omap5/hw_data.c
index 5268a1fca5..32998aabb9 100644
--- a/arch/arm/cpu/armv7/omap5/hw_data.c
+++ b/arch/arm/cpu/armv7/omap5/hw_data.c
@@ -486,94 +486,6 @@ void enable_basic_uboot_clocks(void)
 			 1);
 }
 
-/*
- * Enable non-essential clock domains, modules and
- * do some additional special settings needed
- */
-void enable_non_essential_clocks(void)
-{
-	u32 const clk_domains_non_essential[] = {
-		(*prcm)->cm_mpu_m3_clkstctrl,
-		(*prcm)->cm_ivahd_clkstctrl,
-		(*prcm)->cm_dsp_clkstctrl,
-		(*prcm)->cm_dss_clkstctrl,
-		(*prcm)->cm_sgx_clkstctrl,
-		(*prcm)->cm1_abe_clkstctrl,
-		(*prcm)->cm_c2c_clkstctrl,
-		(*prcm)->cm_cam_clkstctrl,
-		(*prcm)->cm_dss_clkstctrl,
-		(*prcm)->cm_sdma_clkstctrl,
-		0
-	};
-
-	u32 const clk_modules_hw_auto_non_essential[] = {
-		(*prcm)->cm_mpu_m3_mpu_m3_clkctrl,
-		(*prcm)->cm_ivahd_ivahd_clkctrl,
-		(*prcm)->cm_ivahd_sl2_clkctrl,
-		(*prcm)->cm_dsp_dsp_clkctrl,
-		(*prcm)->cm_l3instr_l3_3_clkctrl,
-		(*prcm)->cm_l3instr_l3_instr_clkctrl,
-		(*prcm)->cm_l3instr_intrconn_wp1_clkctrl,
-		(*prcm)->cm_l3init_hsi_clkctrl,
-		(*prcm)->cm_l4per_hdq1w_clkctrl,
-		0
-	};
-
-	u32 const clk_modules_explicit_en_non_essential[] = {
-		(*prcm)->cm1_abe_aess_clkctrl,
-		(*prcm)->cm1_abe_pdm_clkctrl,
-		(*prcm)->cm1_abe_dmic_clkctrl,
-		(*prcm)->cm1_abe_mcasp_clkctrl,
-		(*prcm)->cm1_abe_mcbsp1_clkctrl,
-		(*prcm)->cm1_abe_mcbsp2_clkctrl,
-		(*prcm)->cm1_abe_mcbsp3_clkctrl,
-		(*prcm)->cm1_abe_slimbus_clkctrl,
-		(*prcm)->cm1_abe_timer5_clkctrl,
-		(*prcm)->cm1_abe_timer6_clkctrl,
-		(*prcm)->cm1_abe_timer7_clkctrl,
-		(*prcm)->cm1_abe_timer8_clkctrl,
-		(*prcm)->cm1_abe_wdt3_clkctrl,
-		(*prcm)->cm_l4per_gptimer9_clkctrl,
-		(*prcm)->cm_l4per_gptimer10_clkctrl,
-		(*prcm)->cm_l4per_gptimer11_clkctrl,
-		(*prcm)->cm_l4per_gptimer3_clkctrl,
-		(*prcm)->cm_l4per_gptimer4_clkctrl,
-		(*prcm)->cm_l4per_mcspi2_clkctrl,
-		(*prcm)->cm_l4per_mcspi3_clkctrl,
-		(*prcm)->cm_l4per_mcspi4_clkctrl,
-		(*prcm)->cm_l4per_mmcsd3_clkctrl,
-		(*prcm)->cm_l4per_mmcsd4_clkctrl,
-		(*prcm)->cm_l4per_mmcsd5_clkctrl,
-		(*prcm)->cm_l4per_uart1_clkctrl,
-		(*prcm)->cm_l4per_uart2_clkctrl,
-		(*prcm)->cm_l4per_uart4_clkctrl,
-		(*prcm)->cm_wkup_keyboard_clkctrl,
-		(*prcm)->cm_wkup_wdtimer2_clkctrl,
-		(*prcm)->cm_cam_iss_clkctrl,
-		(*prcm)->cm_cam_fdif_clkctrl,
-		(*prcm)->cm_dss_dss_clkctrl,
-		(*prcm)->cm_sgx_sgx_clkctrl,
-		0
-	};
-
-	/* Enable optional functional clock for ISS */
-	setbits_le32((*prcm)->cm_cam_iss_clkctrl, ISS_CLKCTRL_OPTFCLKEN_MASK);
-
-	/* Enable all optional functional clocks of DSS */
-	setbits_le32((*prcm)->cm_dss_dss_clkctrl, DSS_CLKCTRL_OPTFCLKEN_MASK);
-
-	do_enable_clocks(clk_domains_non_essential,
-			 clk_modules_hw_auto_non_essential,
-			 clk_modules_explicit_en_non_essential,
-			 0);
-
-	/* Put camera module in no sleep mode */
-	clrsetbits_le32((*prcm)->cm_cam_clkstctrl,
-			MODULE_CLKCTRL_MODULEMODE_MASK,
-			CD_CLKCTRL_CLKTRCTRL_NO_SLEEP <<
-			MODULE_CLKCTRL_MODULEMODE_SHIFT);
-}
-
 const struct ctrl_ioregs ioregs_omap5430 = {
 	.ctrl_ddrch = DDR_IO_I_34OHM_SR_FASTEST_WD_DQ_NO_PULL_DQS_PULL_DOWN,
 	.ctrl_lpddr2ch = DDR_IO_I_34OHM_SR_FASTEST_WD_CK_CKE_NCS_CA_PULL_DOWN,
diff --git a/arch/arm/include/asm/omap_common.h b/arch/arm/include/asm/omap_common.h
index a78f99079b..4efc89ee20 100644
--- a/arch/arm/include/asm/omap_common.h
+++ b/arch/arm/include/asm/omap_common.h
@@ -567,7 +567,6 @@ u32 omap_ddr_clk(void);
 u32 get_sys_clk_index(void);
 void enable_basic_clocks(void);
 void enable_basic_uboot_clocks(void);
-void enable_non_essential_clocks(void);
 void scale_vcores(struct vcores_data const *);
 u32 get_offset_code(u32 volt_offset, struct pmic_data *pmic);
 void do_scale_vcore(u32 vcore_reg, u32 volt_mv, struct pmic_data *pmic);
-- 
2.39.5