x86: Add a minimal device tree for alex x86

[pandora-u-boot.git] / board / vpac270 / vpac270.c

diff --git a/board/vpac270/vpac270.c b/board/vpac270/vpac270.c
index 18e47e2..2663534 100644 (file)
--- a/board/vpac270/vpac270.c
+++ b/board/vpac270/vpac270.c
@@ -1,16 +1,7 @@
 /*
- * (C) Copyright 2004
- * Robert Whaley, Applied Data Systems, Inc. rwhaley@applieddata.net
+ * Voipac PXA270 Support
  *
- * (C) Copyright 2002
- * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
+ * Copyright (C) 2010 Marek Vasut <marek.vasut@gmail.com>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
@@ -30,30 +21,27 @@
 
 #include <common.h>
 #include <asm/arch/hardware.h>
+#include <asm/arch/regs-mmc.h>
+#include <asm/arch/pxa.h>
 #include <netdev.h>
+#include <serial.h>
+#include <asm/io.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
-/* ------------------------------------------------------------------------- */
-
 /*
  * Miscelaneous platform dependent initialisations
  */
-extern struct serial_device serial_ffuart_device;
-extern struct serial_device serial_btuart_device;
-extern struct serial_device serial_stuart_device;
-
-struct serial_device *default_serial_console (void)
+int board_init(void)
 {
-       return &serial_ffuart_device;
-}
+       /* We have RAM, disable cache */
+       dcache_disable();
+       icache_disable();
 
-int board_init (void)
-{
        /* memory and cpu-speed are setup before relocation */
        /* so we do _nothing_ here */
 
-       /* arch number of vpac270 */
+       /* Arch number of vpac270 */
        gd->bd->bi_arch_number = MACH_TYPE_VPAC270;
 
        /* adress of boot parameters */
@@ -62,41 +50,62 @@ int board_init (void)
        return 0;
 }
 
-int dram_init (void)
+int dram_init(void)
 {
-       gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
-       gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
+#ifndef        CONFIG_ONENAND
+       pxa2xx_dram_init();
+#endif
+       gd->ram_size = PHYS_SDRAM_1_SIZE;
+       return 0;
+}
 
+void dram_init_banksize(void)
+{
+       gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
        gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+
+#ifdef CONFIG_RAM_256M
+       gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
        gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
+#endif
+}
 
+#ifdef CONFIG_CMD_MMC
+int board_mmc_init(bd_t *bis)
+{
+       pxa_mmc_register(0);
        return 0;
 }
+#endif
 
+#ifdef CONFIG_CMD_USB
 int usb_board_init(void)
 {
-       UHCHR = (UHCHR | UHCHR_PCPL | UHCHR_PSPL) &
-               ~(UHCHR_SSEP0 | UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSE);
+       writel((UHCHR | UHCHR_PCPL | UHCHR_PSPL) &
+               ~(UHCHR_SSEP0 | UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSE),
+               UHCHR);
 
-       UHCHR |= UHCHR_FSBIR;
+       writel(readl(UHCHR) | UHCHR_FSBIR, UHCHR);
 
-       while (UHCHR & UHCHR_FSBIR);
+       while (readl(UHCHR) & UHCHR_FSBIR)
+               ;
 
-       UHCHR &= ~UHCHR_SSE;
-       UHCHIE = (UHCHIE_UPRIE | UHCHIE_RWIE);
+       writel(readl(UHCHR) & ~UHCHR_SSE, UHCHR);
+       writel((UHCHIE_UPRIE | UHCHIE_RWIE), UHCHIE);
 
        /* Clear any OTG Pin Hold */
-       if (PSSR & PSSR_OTGPH)
-               PSSR |= PSSR_OTGPH;
+       if (readl(PSSR) & PSSR_OTGPH)
+               writel(readl(PSSR) | PSSR_OTGPH, PSSR);
 
-       UHCRHDA &= ~(0x200);
-       UHCRHDA |= 0x100;
+       writel(readl(UHCRHDA) & ~(0x200), UHCRHDA);
+       writel(readl(UHCRHDA) | 0x100, UHCRHDA);
 
        /* Set port power control mask bits, only 3 ports. */
-       UHCRHDB |= (0x7<<17);
+       writel(readl(UHCRHDB) | (0x7<<17), UHCRHDB);
 
        /* enable port 2 */
-       UP2OCR |= UP2OCR_HXOE | UP2OCR_HXS | UP2OCR_DMPDE | UP2OCR_DPPDE;
+       writel(readl(UP2OCR) | UP2OCR_HXOE | UP2OCR_HXS |
+               UP2OCR_DMPDE | UP2OCR_DPPDE, UP2OCR);
 
        return 0;
 }
@@ -108,17 +117,18 @@ void usb_board_init_fail(void)
 
 void usb_board_stop(void)
 {
-       UHCHR |= UHCHR_FHR;
+       writel(readl(UHCHR) | UHCHR_FHR, UHCHR);
        udelay(11);
-       UHCHR &= ~UHCHR_FHR;
+       writel(readl(UHCHR) & ~UHCHR_FHR, UHCHR);
 
-       UHCCOMS |= 1;
+       writel(readl(UHCCOMS) | 1, UHCCOMS);
        udelay(10);
 
-       CKEN &= ~CKEN10_USBHOST;
+       writel(readl(CKEN) & ~CKEN10_USBHOST, CKEN);
 
        return;
 }
+#endif
 
 #ifdef CONFIG_DRIVER_DM9000
 int board_eth_init(bd_t *bis)