X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=board%2Ffreescale%2Fmpc8315erdb%2Fmpc8315erdb.c;h=5dc558a4f8fafeadeacae6603dc16285536710d2;hb=6aa3d3bfaa986f1aff5e21a9b9f68d087715b1a9;hp=ea4b04fd3de73724d41c9a148c438d775cef1041;hpb=cb5473205206c7f14cbb1e747f28ec75b48826e2;p=oweals%2Fu-boot.git

diff --git a/board/freescale/mpc8315erdb/mpc8315erdb.c b/board/freescale/mpc8315erdb/mpc8315erdb.c
index ea4b04fd3d..5dc558a4f8 100644
--- a/board/freescale/mpc8315erdb/mpc8315erdb.c
+++ b/board/freescale/mpc8315erdb/mpc8315erdb.c
@@ -24,12 +24,16 @@
  */
 
 #include <common.h>
+#include <hwconfig.h>
 #include <i2c.h>
 #include <libfdt.h>
 #include <fdt_support.h>
 #include <pci.h>
 #include <mpc83xx.h>
 #include <netdev.h>
+#include <asm/io.h>
+#include <ns16550.h>
+#include <nand.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -43,6 +47,8 @@ int board_early_init_f(void)
 	return 0;
 }
 
+#ifndef CONFIG_NAND_SPL
+
 static u8 read_board_info(void)
 {
 	u8 val8;
@@ -95,13 +101,45 @@ static struct pci_region pci_regions[] = {
 	}
 };
 
+static struct pci_region pcie_regions_0[] = {
+	{
+		.bus_start = CONFIG_SYS_PCIE1_MEM_BASE,
+		.phys_start = CONFIG_SYS_PCIE1_MEM_PHYS,
+		.size = CONFIG_SYS_PCIE1_MEM_SIZE,
+		.flags = PCI_REGION_MEM,
+	},
+	{
+		.bus_start = CONFIG_SYS_PCIE1_IO_BASE,
+		.phys_start = CONFIG_SYS_PCIE1_IO_PHYS,
+		.size = CONFIG_SYS_PCIE1_IO_SIZE,
+		.flags = PCI_REGION_IO,
+	},
+};
+
+static struct pci_region pcie_regions_1[] = {
+	{
+		.bus_start = CONFIG_SYS_PCIE2_MEM_BASE,
+		.phys_start = CONFIG_SYS_PCIE2_MEM_PHYS,
+		.size = CONFIG_SYS_PCIE2_MEM_SIZE,
+		.flags = PCI_REGION_MEM,
+	},
+	{
+		.bus_start = CONFIG_SYS_PCIE2_IO_BASE,
+		.phys_start = CONFIG_SYS_PCIE2_IO_PHYS,
+		.size = CONFIG_SYS_PCIE2_IO_SIZE,
+		.flags = PCI_REGION_IO,
+	},
+};
+
 void pci_init_board(void)
 {
 	volatile immap_t *immr = (volatile immap_t *)CONFIG_SYS_IMMR;
+	volatile sysconf83xx_t *sysconf = &immr->sysconf;
 	volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk;
 	volatile law83xx_t *pci_law = immr->sysconf.pcilaw;
+	volatile law83xx_t *pcie_law = sysconf->pcielaw;
 	struct pci_region *reg[] = { pci_regions };
-	int warmboot;
+	struct pci_region *pcie_reg[] = { pcie_regions_0, pcie_regions_1, };
 
 	/* Enable all 3 PCI_CLK_OUTPUTs. */
 	clk->occr |= 0xe0000000;
@@ -115,29 +153,39 @@ void pci_init_board(void)
 	pci_law[1].bar = CONFIG_SYS_PCI_IO_PHYS & LAWBAR_BAR;
 	pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB;
 
-	warmboot = gd->bd->bi_bootflags & BOOTFLAG_WARM;
-	warmboot |= immr->pmc.pmccr1 & PMCCR1_POWER_OFF;
+	mpc83xx_pci_init(1, reg);
+
+	/* Configure the clock for PCIE controller */
+	clrsetbits_be32(&clk->sccr, SCCR_PCIEXP1CM | SCCR_PCIEXP2CM,
+				    SCCR_PCIEXP1CM_1 | SCCR_PCIEXP2CM_1);
+
+	/* Deassert the resets in the control register */
+	out_be32(&sysconf->pecr1, 0xE0008000);
+	out_be32(&sysconf->pecr2, 0xE0008000);
+	udelay(2000);
 
-	mpc83xx_pci_init(1, reg, warmboot);
+	/* Configure PCI Express Local Access Windows */
+	out_be32(&pcie_law[0].bar, CONFIG_SYS_PCIE1_BASE & LAWBAR_BAR);
+	out_be32(&pcie_law[0].ar, LBLAWAR_EN | LBLAWAR_512MB);
+
+	out_be32(&pcie_law[1].bar, CONFIG_SYS_PCIE2_BASE & LAWBAR_BAR);
+	out_be32(&pcie_law[1].ar, LBLAWAR_EN | LBLAWAR_512MB);
+
+	mpc83xx_pcie_init(2, pcie_reg);
 }
 
 #if defined(CONFIG_OF_BOARD_SETUP)
 void fdt_tsec1_fixup(void *fdt, bd_t *bd)
 {
-	char *mpc8315erdb = getenv("mpc8315erdb");
 	const char disabled[] = "disabled";
 	const char *path;
 	int ret;
 
-	if (!mpc8315erdb)
-		return;
-
-	if (!strcmp(mpc8315erdb, "tsec1")) {
+	if (hwconfig_arg_cmp("board_type", "tsec1")) {
 		return;
-	} else if (strcmp(mpc8315erdb, "ulpi")) {
-		printf("WARNING: wrong `mpc8315erdb' environment "
-		       "variable specified: `%s'. Should be `ulpi' "
-		       "or `tsec1'.\n", mpc8315erdb);
+	} else if (!hwconfig_arg_cmp("board_type", "ulpi")) {
+		printf("NOTICE: No or unknown board_type hwconfig specified.\n"
+		       "        Assuming board with TSEC1.\n");
 		return;
 	}
 
@@ -172,3 +220,41 @@ int board_eth_init(bd_t *bis)
 	cpu_eth_init(bis);	/* Initialize TSECs first */
 	return pci_eth_init(bis);
 }
+
+#else /* CONFIG_NAND_SPL */
+
+int checkboard(void)
+{
+	puts("Board: Freescale MPC8315ERDB\n");
+	return 0;
+}
+
+void board_init_f(ulong bootflag)
+{
+	board_early_init_f();
+	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 /* CONFIG_NAND_SPL */