ARM: at91: collect SoC sources into mach-at91

[karo-tx-uboot.git] / arch / arm / cpu / at91-common / spl_at91.c

diff --git a/arch/arm/cpu/at91-common/spl_at91.c b/arch/arm/cpu/at91-common/spl_at91.c
deleted file mode 100644 (file)
index 89f588b..0000000
--- a/arch/arm/cpu/at91-common/spl_at91.c
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * (C) Copyright 2014 DENX Software Engineering
- *     Heiko Schocher <hs@denx.de>
- *
- * Based on:
- * Copyright (C) 2013 Atmel Corporation
- *                   Bo Shen <voice.shen@atmel.com>
- *
- * SPDX-License-Identifier:    GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/at91_common.h>
-#include <asm/arch/at91sam9_matrix.h>
-#include <asm/arch/at91_pit.h>
-#include <asm/arch/at91_pmc.h>
-#include <asm/arch/at91_rstc.h>
-#include <asm/arch/at91_wdt.h>
-#include <asm/arch/clk.h>
-#include <spl.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-static void enable_ext_reset(void)
-{
-       struct at91_rstc *rstc = (struct at91_rstc *)ATMEL_BASE_RSTC;
-
-       writel(AT91_RSTC_KEY | AT91_RSTC_MR_URSTEN, &rstc->mr);
-}
-
-void lowlevel_clock_init(void)
-{
-       struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
-
-       if (!(readl(&pmc->sr) & AT91_PMC_MOSCS)) {
-               /* Enable Main Oscillator */
-               writel(AT91_PMC_MOSCS | (0x40 << 8), &pmc->mor);
-
-               /* Wait until Main Oscillator is stable */
-               while (!(readl(&pmc->sr) & AT91_PMC_MOSCS))
-                       ;
-       }
-
-       /* After stabilization, switch to Main Oscillator */
-       if ((readl(&pmc->mckr) & AT91_PMC_CSS) == AT91_PMC_CSS_SLOW) {
-               unsigned long tmp;
-
-               tmp = readl(&pmc->mckr);
-               tmp &= ~AT91_PMC_CSS;
-               tmp |= AT91_PMC_CSS_MAIN;
-               writel(tmp, &pmc->mckr);
-               while (!(readl(&pmc->sr) & AT91_PMC_MCKRDY))
-                       ;
-
-               tmp &= ~AT91_PMC_PRES;
-               tmp |= AT91_PMC_PRES_1;
-               writel(tmp, &pmc->mckr);
-               while (!(readl(&pmc->sr) & AT91_PMC_MCKRDY))
-                       ;
-       }
-
-       return;
-}
-
-void __weak matrix_init(void)
-{
-}
-
-void __weak at91_spl_board_init(void)
-{
-}
-
-void spl_board_init(void)
-{
-       struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
-
-       lowlevel_clock_init();
-       at91_disable_wdt();
-
-       /*
-        * At this stage the main oscillator is supposed to be enabled
-        * PCK = MCK = MOSC
-        */
-       writel(0x00, &pmc->pllicpr);
-
-       /* Configure PLLA = MOSC * (PLL_MULA + 1) / PLL_DIVA */
-       at91_plla_init(CONFIG_SYS_AT91_PLLA);
-
-       /* PCK = PLLA = 2 * MCK */
-       at91_mck_init(CONFIG_SYS_MCKR);
-
-       /* Switch MCK on PLLA output */
-       at91_mck_init(CONFIG_SYS_MCKR_CSS);
-
-#if defined(CONFIG_SYS_AT91_PLLB)
-       /* Configure PLLB */
-       at91_pllb_init(CONFIG_SYS_AT91_PLLB);
-#endif
-
-       /* Enable External Reset */
-       enable_ext_reset();
-
-       /* Initialize matrix */
-       matrix_init();
-
-       gd->arch.mck_rate_hz = CONFIG_SYS_MASTER_CLOCK;
-       /*
-        * init timer long enough for using in spl.
-        */
-       timer_init();
-
-       /* enable clocks for all PIOs */
-       at91_periph_clk_enable(ATMEL_ID_PIOA);
-       at91_periph_clk_enable(ATMEL_ID_PIOB);
-       at91_periph_clk_enable(ATMEL_ID_PIOC);
-       /* init console */
-       at91_seriald_hw_init();
-       preloader_console_init();
-
-       mem_init();
-
-       at91_spl_board_init();
-}