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From: Sam Ravnborg <sam@ravnborg.org>
To: Barebox List <barebox@lists.infradead.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Subject: [PATCH 10/23] at91: delete at91sam926x_lowlevel_init
Date: Fri,  7 Jul 2017 14:12:29 +0200	[thread overview]
Message-ID: <20170707121242.18499-10-sam@ravnborg.org> (raw)
In-Reply-To: <20170707121000.GA16920@ravnborg.org>

The last user of at91sam926x_lowlevel_init is gone, so delete it

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
---
 arch/arm/mach-at91/Kconfig                     |   4 -
 arch/arm/mach-at91/Makefile                    |   2 -
 arch/arm/mach-at91/at91sam926x_lowlevel_init.c | 199 -------------------------
 3 files changed, 205 deletions(-)
 delete mode 100644 arch/arm/mach-at91/at91sam926x_lowlevel_init.c

diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 1c9dbd578..e38589127 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -33,10 +33,6 @@ config HAVE_AT91_GENERATED_CLK
 config HAVE_AT91_BOOTSTRAP
 	bool
 
-# Select is board uses the common at91sam926x_lowlevel_init
-config AT91SAM926X_LWL
-	bool
-
 # Select if board uses barebox reset vector from mach-at91
 # as implemented in the *lowlevel_init.c files
 config AT91SAM9260_LWL
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index 587402903..8293f279a 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -8,8 +8,6 @@ obj-$(CONFIG_CMD_AT91_BOOT_TEST) += boot_test_cmd.o
 
 obj-$(CONFIG_AT91_BOOTSTRAP) += bootstrap.o
 
-lwl-$(CONFIG_AT91SAM926X_LWL) += at91sam926x_lowlevel_init.o
-
 lwl-$(CONFIG_AT91SAM9260_LWL) += at91sam9260_lowlevel_init.o
 lwl-$(CONFIG_AT91SAM9263_LWL) += at91sam9263_lowlevel_init.o
 lwl-$(CONFIG_AT91SAM9G45_LWL) += at91sam9g45_lowlevel_init.o
diff --git a/arch/arm/mach-at91/at91sam926x_lowlevel_init.c b/arch/arm/mach-at91/at91sam926x_lowlevel_init.c
deleted file mode 100644
index 5dd8bc4e6..000000000
--- a/arch/arm/mach-at91/at91sam926x_lowlevel_init.c
+++ /dev/null
@@ -1,199 +0,0 @@
-/*
- * Copyright (C) 2008 Ronetix Ilko Iliev (www.ronetix.at)
- * Copyright (C) 2009-2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
- *
- * Under GPLv2
-  */
-
-#define __LOWLEVEL_INIT__
-
-#include <common.h>
-#include <asm/system.h>
-#include <asm/barebox-arm.h>
-#include <asm/barebox-arm-head.h>
-#include <mach/hardware.h>
-#include <mach/at91_pmc.h>
-#include <mach/at91_pio.h>
-#include <mach/at91_rstc.h>
-#include <mach/at91_wdt.h>
-#include <mach/at91sam9_matrix.h>
-#include <mach/at91sam9_sdramc.h>
-#include <mach/at91sam9_smc.h>
-#include <mach/at91_lowlevel_init.h>
-#include <mach/gpio.h>
-#include <mach/io.h>
-#include <init.h>
-#include <linux/sizes.h>
-
-#include "gpio.h"
-
-static void inline access_sdram(void)
-{
-	writel(0x00000000, AT91_SDRAM_BASE);
-}
-
-static void inline pmc_check_mckrdy(void)
-{
-	u32 r;
-
-	do {
-		r = at91_pmc_read(AT91_PMC_SR);
-	} while (!(r & AT91_PMC_MCKRDY));
-}
-
-static int inline running_in_sram(void)
-{
-	u32 addr = get_pc();
-
-	addr >>= 28;
-	return addr == 0;
-}
-
-#define at91_sdramc_read(field) \
-	__raw_readl(cfg->sdramc + field)
-
-#define at91_sdramc_write(field, value) \
-	__raw_writel(value, cfg->sdramc + field)
-
-void __bare_init at91sam926x_sdramc_init(struct at91sam926x_lowlevel_cfg *cfg)
-{
-	u32 r;
-	int i;
-	int in_sram = running_in_sram();
-
-	/*
-	 * SDRAMC Check if Refresh Timer Counter is already initialized
-	 */
-	r = at91_sdramc_read(AT91_SDRAMC_TR);
-	if (r && !in_sram)
-		return;
-
-	/* SDRAMC_MR : Normal Mode */
-	at91_sdramc_write(AT91_SDRAMC_MR, AT91_SDRAMC_MODE_NORMAL);
-
-	/* SDRAMC_TR - Refresh Timer register */
-	at91_sdramc_write(AT91_SDRAMC_TR, cfg->sdrc_tr1);
-
-	/* SDRAMC_CR - Configuration register*/
-	at91_sdramc_write(AT91_SDRAMC_CR, cfg->sdrc_cr);
-
-	/* Memory Device Type */
-	at91_sdramc_write(AT91_SDRAMC_MDR, cfg->sdrc_mdr);
-
-	/* SDRAMC_MR : Precharge All */
-	at91_sdramc_write(AT91_SDRAMC_MR, AT91_SDRAMC_MODE_PRECHARGE);
-
-	/* access SDRAM */
-	access_sdram();
-
-	/* SDRAMC_MR : refresh */
-	at91_sdramc_write(AT91_SDRAMC_MR, AT91_SDRAMC_MODE_REFRESH);
-
-	/* access SDRAM 8 times */
-	for (i = 0; i < 8; i++)
-		access_sdram();
-
-	/* SDRAMC_MR : Load Mode Register */
-	at91_sdramc_write(AT91_SDRAMC_MR, AT91_SDRAMC_MODE_LMR);
-
-	/* access SDRAM */
-	access_sdram();
-
-	/* SDRAMC_MR : Normal Mode */
-	at91_sdramc_write(AT91_SDRAMC_MR, AT91_SDRAMC_MODE_NORMAL);
-
-	/* access SDRAM */
-	access_sdram();
-
-	/* SDRAMC_TR : Refresh Timer Counter */
-	at91_sdramc_write(AT91_SDRAMC_TR, cfg->sdrc_tr2);
-
-	/* access SDRAM */
-	access_sdram();
-}
-
-void __bare_init at91sam926x_lowlevel_init(struct at91sam926x_lowlevel_cfg *cfg)
-{
-	u32 r;
-	int in_sram = running_in_sram();
-
-	at91sam926x_lowlevel_board_config(cfg);
-
-	__raw_writel(cfg->wdt_mr, AT91_BASE_WDT + AT91_WDT_MR);
-
-	/* configure PIOx as EBI0 D[16-31] */
-	at91_mux_gpio_disable(cfg->pio, cfg->ebi_pio_pdr);
-	at91_mux_set_pullup(cfg->pio, cfg->ebi_pio_ppudr, true);
-	if (cfg->ebi_pio_is_peripha)
-		at91_mux_set_A_periph(cfg->pio, cfg->ebi_pio_ppudr);
-
-	at91_sys_write(cfg->matrix_csa, cfg->ebi_csa);
-
-	/* flash */
-	at91_smc_write(cfg->smc_cs, AT91_SAM9_SMC_MODE, cfg->smc_mode);
-
-	at91_smc_write(cfg->smc_cs, AT91_SMC_CYCLE, cfg->smc_cycle);
-
-	at91_smc_write(cfg->smc_cs, AT91_SMC_PULSE, cfg->smc_pulse);
-
-	at91_smc_write(cfg->smc_cs, AT91_SMC_SETUP, cfg->smc_setup);
-
-	/*
-	 * PMC Check if the PLL is already initialized
-	 */
-	r = at91_pmc_read(AT91_PMC_MCKR);
-	if (r & AT91_PMC_CSS && !in_sram)
-		return;
-
-	/*
-	 * Enable the Main Oscillator
-	 */
-	at91_pmc_write(AT91_CKGR_MOR, cfg->pmc_mor);
-
-	do {
-		r = at91_pmc_read(AT91_PMC_SR);
-	} while (!(r & AT91_PMC_MOSCS));
-
-	/*
-	 * PLLAR: x MHz for PCK
-	 */
-	at91_pmc_write(AT91_CKGR_PLLAR, cfg->pmc_pllar);
-
-	do {
-		r = at91_pmc_read(AT91_PMC_SR);
-	} while (!(r & AT91_PMC_LOCKA));
-
-	/*
-	 * PCK/x = MCK Master Clock from SLOW
-	 */
-	at91_pmc_write(AT91_PMC_MCKR, cfg->pmc_mckr1);
-
-	pmc_check_mckrdy();
-
-	/*
-	 * PCK/x = MCK Master Clock from PLLA
-	 */
-	at91_pmc_write(AT91_PMC_MCKR, cfg->pmc_mckr2);
-
-	pmc_check_mckrdy();
-
-	/*
-	 * Init SDRAM
-	 */
-	at91sam926x_sdramc_init(cfg);
-
-	/* User reset enable*/
-	at91_sys_write(AT91_RSTC_MR, cfg->rstc_rmr);
-
-#ifdef CONFIG_SYS_MATRIX_MCFG_REMAP
-	/* MATRIX_MCFG - REMAP all masters */
-	at91_sys_write(AT91_MATRIX_MCFG0, 0x1FF);
-#endif
-	/*
-	 * When boot from external boot
-	 * we need to enable mck and ohter clock
-	 * so enable all of them
-	 * We will shutdown what we don't need later
-	 */
-	at91_pmc_write(AT91_PMC_PCER, 0xffffffff);
-}
-- 
2.12.0


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  parent reply	other threads:[~2017-07-07 12:13 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-07 12:10 [PATCH v2 0/23] at91: move reset vector to board code Sam Ravnborg
2017-07-07 12:12 ` [PATCH 01/23] at91: refactor lowlevel_init selection Sam Ravnborg
2017-07-07 12:12 ` [PATCH 02/23] at91: drop unused at91sam9x5_lowlevel_init.c Sam Ravnborg
2017-07-07 12:12 ` [PATCH 03/23] at91sam9263ek: move reset vector to board code Sam Ravnborg
2017-07-07 12:12 ` [PATCH 04/23] at91sam9261ek, at91sam9g10ek: " Sam Ravnborg
2017-07-07 12:12 ` [PATCH 05/23] pm9261: " Sam Ravnborg
2017-07-07 12:12 ` [PATCH 06/23] at91: drop unused at91sam9261_lowlevel_init Sam Ravnborg
2017-07-07 12:12 ` [PATCH 07/23] mmccpu: move reset vector to board code Sam Ravnborg
2017-07-07 12:12 ` [PATCH 08/23] pm9263: " Sam Ravnborg
2017-07-07 12:12 ` [PATCH 09/23] usb-a926x: " Sam Ravnborg
2017-07-07 12:12 ` Sam Ravnborg [this message]
2017-07-07 12:12 ` [PATCH 11/23] tny-a926x: " Sam Ravnborg
2017-07-07 12:12 ` [PATCH 12/23] qil-a926x: " Sam Ravnborg
2017-07-07 12:12 ` [PATCH 13/23] haba-knx: " Sam Ravnborg
2017-07-07 12:12 ` [PATCH 14/23] at91: delete unused at91sam9263_lowlevel_init.c Sam Ravnborg
2017-07-07 12:12 ` [PATCH 15/23] sama5d{3, 4}{xek, xplained}: move reset vector to board code Sam Ravnborg
2017-07-07 12:12 ` [PATCH 16/23] at91sam{9260, 9G20, 9m10g45, 9n12}ek: " Sam Ravnborg
2017-07-07 12:12 ` [PATCH 17/23] at91rm9200ek: " Sam Ravnborg
2017-07-07 12:12 ` [PATCH 18/23] at91sam9m10ihd: " Sam Ravnborg
2017-07-07 12:12 ` [PATCH 19/23] pm9g45: " Sam Ravnborg
2017-07-07 12:12 ` [PATCH 20/23] animeo: " Sam Ravnborg
2017-07-07 12:12 ` [PATCH 21/23] dss11: " Sam Ravnborg
2017-07-07 12:12 ` [PATCH 22/23] telit-evk-pro3: " Sam Ravnborg
2017-07-07 12:12 ` [PATCH 23/23] at91: remove leftovers from reset code in mach-at91 Sam Ravnborg
2017-07-17  9:52 ` [PATCH v2 0/23] at91: move reset vector to board code Lucas Stach
2017-07-17 11:41   ` Sam Ravnborg

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