mpc83xx: add support for the MPC8323E RDB

MPC8323E based board with 64MB fixed SDRAM, 16MB flash,
five 10/100 ethernet ports connected via an ICPlus IP175C
switch, one PCI slot, and serial.  Features not supported
in this patch are SD card interface, 2 USB ports, and the
two phone ports.

Signed-off-by: Michael Barkowski <michael.barkowski@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>

1 files changed, 217 insertions, 0 deletions

diff --git a/board/freescale/mpc8323erdb/mpc8323erdb.c b/board/freescale/mpc8323erdb/mpc8323erdb.c
new file mode 100644
index 0000000000..1886f196b2
--- /dev/null
+++ b/board/freescale/mpc8323erdb/mpc8323erdb.c
@@ -0,0 +1,217 @@
+/*
+ * Copyright (C) 2007 Freescale Semiconductor, Inc.
+ *
+ * Michael Barkowski <michael.barkowski@freescale.com>
+ * Based on mpc832xmds file by Dave Liu <daveliu@freescale.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include <common.h>
+#include <ioports.h>
+#include <mpc83xx.h>
+#include <i2c.h>
+#include <spd.h>
+#include <miiphy.h>
+#include <command.h>
+#include <libfdt.h>
+#include <libfdt_env.h>
+#if defined(CONFIG_PCI)
+#include <pci.h>
+#endif
+#if defined(CONFIG_SPD_EEPROM)
+#include <spd_sdram.h>
+#else
+#include <asm/mmu.h>
+#endif
+
+const qe_iop_conf_t qe_iop_conf_tab[] = {
+	/* UCC3 */
+	{1,  0, 1, 0, 1}, /* TxD0 */
+	{1,  1, 1, 0, 1}, /* TxD1 */
+	{1,  2, 1, 0, 1}, /* TxD2 */
+	{1,  3, 1, 0, 1}, /* TxD3 */
+	{1,  9, 1, 0, 1}, /* TxER */
+	{1, 12, 1, 0, 1}, /* TxEN */
+	{3, 24, 2, 0, 1}, /* TxCLK->CLK10 */
+
+	{1,  4, 2, 0, 1}, /* RxD0 */
+	{1,  5, 2, 0, 1}, /* RxD1 */
+	{1,  6, 2, 0, 1}, /* RxD2 */
+	{1,  7, 2, 0, 1}, /* RxD3 */
+	{1,  8, 2, 0, 1}, /* RxER */
+	{1, 10, 2, 0, 1}, /* RxDV */
+	{0, 13, 2, 0, 1}, /* RxCLK->CLK9 */
+	{1, 11, 2, 0, 1}, /* COL */
+	{1, 13, 2, 0, 1}, /* CRS */
+
+	/* UCC2 */
+	{0, 18, 1, 0, 1}, /* TxD0 */
+	{0, 19, 1, 0, 1}, /* TxD1 */
+	{0, 20, 1, 0, 1}, /* TxD2 */
+	{0, 21, 1, 0, 1}, /* TxD3 */
+	{0, 27, 1, 0, 1}, /* TxER */
+	{0, 30, 1, 0, 1}, /* TxEN */
+	{3, 23, 2, 0, 1}, /* TxCLK->CLK3 */
+
+	{0, 22, 2, 0, 1}, /* RxD0 */
+	{0, 23, 2, 0, 1}, /* RxD1 */
+	{0, 24, 2, 0, 1}, /* RxD2 */
+	{0, 25, 2, 0, 1}, /* RxD3 */
+	{0, 26, 1, 0, 1}, /* RxER */
+	{0, 28, 2, 0, 1}, /* Rx_DV */
+	{3, 21, 2, 0, 1}, /* RxCLK->CLK16 */
+	{0, 29, 2, 0, 1}, /* COL */
+	{0, 31, 2, 0, 1}, /* CRS */
+
+	{3,  4, 3, 0, 2}, /* MDIO */
+	{3,  5, 1, 0, 2}, /* MDC */
+
+	{0,  0, 0, 0, QE_IOP_TAB_END}, /* END of table */
+};
+
+int board_early_init_f(void)
+{
+	return 0;
+}
+
+int fixed_sdram(void);
+
+long int initdram(int board_type)
+{
+	volatile immap_t *im = (immap_t *) CFG_IMMR;
+	u32 msize = 0;
+
+	if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im)
+		return -1;
+
+	/* DDR SDRAM - Main SODIMM */
+	im->sysconf.ddrlaw[0].bar = CFG_DDR_BASE & LAWBAR_BAR;
+
+	msize = fixed_sdram();
+
+	puts("\n   DDR RAM: ");
+
+	/* return total bus SDRAM size(bytes)  -- DDR */
+	return (msize * 1024 * 1024);
+}
+
+/*************************************************************************
+ *  fixed sdram init -- doesn't use serial presence detect.
+ ************************************************************************/
+int fixed_sdram(void)
+{
+	volatile immap_t *im = (immap_t *) CFG_IMMR;
+	u32 msize = 0;
+	u32 ddr_size;
+	u32 ddr_size_log2;
+
+	msize = CFG_DDR_SIZE;
+	for (ddr_size = msize << 20, ddr_size_log2 = 0;
+	     (ddr_size > 1); ddr_size = ddr_size >> 1, ddr_size_log2++) {
+		if (ddr_size & 1) {
+			return -1;
+		}
+	}
+	im->sysconf.ddrlaw[0].ar =
+	    LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE);
+	im->ddr.sdram_clk_cntl = CFG_DDR_CLK_CNTL;
+	im->ddr.csbnds[0].csbnds = CFG_DDR_CS0_BNDS;
+	im->ddr.cs_config[0] = CFG_DDR_CS0_CONFIG;
+	im->ddr.timing_cfg_0 = CFG_DDR_TIMING_0;
+	im->ddr.timing_cfg_1 = CFG_DDR_TIMING_1;
+	im->ddr.timing_cfg_2 = CFG_DDR_TIMING_2;
+	im->ddr.timing_cfg_3 = CFG_DDR_TIMING_3;
+	im->ddr.sdram_cfg = CFG_DDR_SDRAM_CFG;
+	im->ddr.sdram_cfg2 = CFG_DDR_SDRAM_CFG2;
+	im->ddr.sdram_mode = CFG_DDR_MODE;
+	im->ddr.sdram_mode2 = CFG_DDR_MODE2;
+	im->ddr.sdram_interval = CFG_DDR_INTERVAL;
+	__asm__ __volatile__ ("sync");
+	udelay(200);
+
+	im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN;
+	__asm__ __volatile__ ("sync");
+	return msize;
+}
+
+int checkboard(void)
+{
+	puts("Board: Freescale MPC8323ERDB\n");
+	return 0;
+}
+
+static struct pci_region pci_regions[] = {
+	{
+		bus_start: CFG_PCI1_MEM_BASE,
+		phys_start: CFG_PCI1_MEM_PHYS,
+		size: CFG_PCI1_MEM_SIZE,
+		flags: PCI_REGION_MEM | PCI_REGION_PREFETCH
+	},
+	{
+		bus_start: CFG_PCI1_MMIO_BASE,
+		phys_start: CFG_PCI1_MMIO_PHYS,
+		size: CFG_PCI1_MMIO_SIZE,
+		flags: PCI_REGION_MEM
+	},
+	{
+		bus_start: CFG_PCI1_IO_BASE,
+		phys_start: CFG_PCI1_IO_PHYS,
+		size: CFG_PCI1_IO_SIZE,
+		flags: PCI_REGION_IO
+	}
+};
+
+void pci_init_board(void)
+{
+	volatile immap_t *immr = (volatile immap_t *)CFG_IMMR;
+	volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk;
+	volatile law83xx_t *pci_law = immr->sysconf.pcilaw;
+	struct pci_region *reg[] = { pci_regions };
+
+	/* Enable all 3 PCI_CLK_OUTPUTs. */
+	clk->occr |= 0xe0000000;
+
+	/* Configure PCI Local Access Windows */
+	pci_law[0].bar = CFG_PCI1_MEM_PHYS & LAWBAR_BAR;
+	pci_law[0].ar = LBLAWAR_EN | LBLAWAR_512MB;
+
+	pci_law[1].bar = CFG_PCI1_IO_PHYS & LAWBAR_BAR;
+	pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB;
+
+	mpc83xx_pci_init(1, reg, 0);
+}
+
+#if defined(CONFIG_OF_BOARD_SETUP)
+
+/*
+ * Prototypes of functions that we use.
+ */
+void ft_cpu_setup(void *blob, bd_t *bd);
+
+#ifdef CONFIG_PCI
+void ft_pci_setup(void *blob, bd_t *bd);
+#endif
+
+void
+ft_board_setup(void *blob, bd_t *bd)
+{
+	int nodeoffset;
+	int tmp[2];
+
+	nodeoffset = fdt_find_node_by_path(blob, "/memory");
+	if (nodeoffset >= 0) {
+		tmp[0] = cpu_to_be32(bd->bi_memstart);
+		tmp[1] = cpu_to_be32(bd->bi_memsize);
+		fdt_setprop(blob, nodeoffset, "reg", tmp, sizeof(tmp));
+	}
+
+	ft_cpu_setup(blob, bd);
+
+#ifdef CONFIG_PCI
+	ft_pci_setup(blob, bd);
+#endif
+}
+#endif /* CONFIG_OF_BOARD_SETUP */