mpc83xx: New board support for SIMPC8313

[karo-tx-uboot.git] / board / sheldon / simpc8313 / simpc8313.c

diff --git a/board/sheldon/simpc8313/simpc8313.c b/board/sheldon/simpc8313/simpc8313.c
new file mode 100644 (file)
index 0000000..25e5c24
--- /dev/null
+++ b/board/sheldon/simpc8313/simpc8313.c
@@ -0,0 +1,134 @@
+/*
+ * Copyright (C) Freescale Semiconductor, Inc. 2006-2007
+ * Copyright (C) Sheldon Instruments, Inc. 2008
+ *
+ * Author: Ron Madrid <info@sheldoninst.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS for A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <libfdt.h>
+#include <pci.h>
+#include <mpc83xx.h>
+#include <ns16550.h>
+#include <nand.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int checkboard(void)
+{
+       puts("Board: Sheldon Instruments SIMPC8313\n");
+       return 0;
+}
+
+#ifndef CONFIG_NAND_SPL
+static struct pci_region pci_regions[] = {
+       {
+               bus_start: CONFIG_SYS_PCI1_MEM_BASE,
+               phys_start: CONFIG_SYS_PCI1_MEM_PHYS,
+               size: CONFIG_SYS_PCI1_MEM_SIZE,
+               flags: PCI_REGION_MEM | PCI_REGION_PREFETCH
+       },
+       {
+               bus_start: CONFIG_SYS_PCI1_MMIO_BASE,
+               phys_start: CONFIG_SYS_PCI1_MMIO_PHYS,
+               size: CONFIG_SYS_PCI1_MMIO_SIZE,
+               flags: PCI_REGION_MEM
+       },
+       {
+               bus_start: CONFIG_SYS_PCI1_IO_BASE,
+               phys_start: CONFIG_SYS_PCI1_IO_PHYS,
+               size: CONFIG_SYS_PCI1_IO_SIZE,
+               flags: PCI_REGION_IO
+       }
+};
+
+void pci_init_board(void)
+{
+       volatile immap_t *immr = (volatile immap_t *)CONFIG_SYS_IMMR;
+       volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk;
+       volatile law83xx_t *pci_law = immr->sysconf.pcilaw;
+       struct pci_region *reg[] = { pci_regions };
+       int warmboot;
+
+       /* Enable all 3 PCI_CLK_OUTPUTs. */
+       clk->occr |= 0xe0000000;
+
+       /*
+        * Configure PCI Local Access Windows
+        */
+       pci_law[0].bar = CONFIG_SYS_PCI1_MEM_PHYS & LAWBAR_BAR;
+       pci_law[0].ar = LBLAWAR_EN | LBLAWAR_512MB;
+
+       pci_law[1].bar = CONFIG_SYS_PCI1_IO_PHYS & LAWBAR_BAR;
+       pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB;
+
+       warmboot = gd->bd->bi_bootflags & BOOTFLAG_WARM;
+
+       mpc83xx_pci_init(1, reg, warmboot);
+}
+
+/*
+ * Miscellaneous late-boot configurations
+ */
+int misc_init_r(void)
+{
+       int rc = 0;
+
+       return rc;
+}
+
+#if defined(CONFIG_OF_BOARD_SETUP)
+void ft_board_setup(void *blob, bd_t *bd)
+{
+       ft_cpu_setup(blob, bd);
+#ifdef CONFIG_PCI
+       ft_pci_setup(blob, bd);
+#endif
+}
+#endif
+#else /* CONFIG_NAND_SPL */
+void board_init_f(ulong bootflag)
+{
+       NS16550_init((NS16550_t)(CONFIG_SYS_IMMR + 0x4500),
+                               CONFIG_SYS_NS16550_CLK / 16 / CONFIG_BAUDRATE);
+       puts("NAND boot... ");
+       init_timebase();
+       initdram(0);
+       relocate_code(CONFIG_SYS_NAND_U_BOOT_RELOC + 0x10000, (gd_t *)gd,
+                                 CONFIG_SYS_NAND_U_BOOT_RELOC);
+}
+
+void board_init_r(gd_t *gd, ulong dest_addr)
+{
+       nand_boot();
+}
+
+void putc(char c)
+{
+       if (gd->flags & GD_FLG_SILENT)
+               return;
+
+       if (c == '\n')
+               NS16550_putc((NS16550_t)(CONFIG_SYS_IMMR + 0x4500), '\r');
+
+       NS16550_putc((NS16550_t)(CONFIG_SYS_IMMR + 0x4500), c);
+}
+#endif