qong: support for Dave/DENX QongEVB-LITE board
This patch adds support for Dave/DENX QongEVB-LITE i.MX31-based board.
Signed-off-by: Ilya Yanok <yanok@emcraft.com>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/board/davedenx/qong/qong.c b/board/davedenx/qong/qong.c
new file mode 100644
index 0000000..13b3699
--- /dev/null
+++ b/board/davedenx/qong/qong.c
@@ -0,0 +1,168 @@
+/*
+ *
+ * (c) 2009 Emcraft Systems, Ilya Yanok <yanok@emcraft.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 <netdev.h>
+#include <asm/arch/mx31.h>
+#include <asm/arch/mx31-regs.h>
+#include "qong_fpga.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int dram_init (void)
+{
+ gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+ gd->bd->bi_dram[0].size = get_ram_size((volatile void *)PHYS_SDRAM_1,
+ PHYS_SDRAM_1_SIZE);
+
+ return 0;
+}
+
+int board_init (void)
+{
+ /* Chip selects */
+ /* CS0: Nor Flash #0 - it must be init'ed when executing from DDR */
+ /* Assumptions: HCLK = 133 MHz, tACC = 130ns */
+ __REG(CSCR_U(0)) = ((0 << 31) | /* SP */
+ (0 << 30) | /* WP */
+ (0 << 28) | /* BCD */
+ (0 << 24) | /* BCS */
+ (0 << 22) | /* PSZ */
+ (0 << 21) | /* PME */
+ (0 << 20) | /* SYNC */
+ (0 << 16) | /* DOL */
+ (3 << 14) | /* CNC */
+ (21 << 8) | /* WSC */
+ (0 << 7) | /* EW */
+ (0 << 4) | /* WWS */
+ (6 << 0) /* EDC */
+ );
+
+ __REG(CSCR_L(0)) = ((2 << 28) | /* OEA */
+ (1 << 24) | /* OEN */
+ (3 << 20) | /* EBWA */
+ (3 << 16) | /* EBWN */
+ (1 << 12) | /* CSA */
+ (1 << 11) | /* EBC */
+ (5 << 8) | /* DSZ */
+ (1 << 4) | /* CSN */
+ (0 << 3) | /* PSR */
+ (0 << 2) | /* CRE */
+ (0 << 1) | /* WRAP */
+ (1 << 0) /* CSEN */
+ );
+
+ __REG(CSCR_A(0)) = ((2 << 28) | /* EBRA */
+ (1 << 24) | /* EBRN */
+ (2 << 20) | /* RWA */
+ (2 << 16) | /* RWN */
+ (0 << 15) | /* MUM */
+ (0 << 13) | /* LAH */
+ (2 << 10) | /* LBN */
+ (0 << 8) | /* LBA */
+ (0 << 6) | /* DWW */
+ (0 << 4) | /* DCT */
+ (0 << 3) | /* WWU */
+ (0 << 2) | /* AGE */
+ (0 << 1) | /* CNC2 */
+ (0 << 0) /* FCE */
+ );
+
+#ifdef CONFIG_QONG_FPGA
+ /* CS1: FPGA/Network Controller/GPIO */
+ /* 16-bit, no DTACK */
+ __REG(CSCR_U(1)) = 0x00000A01;
+ __REG(CSCR_L(1)) = 0x20040501;
+ __REG(CSCR_A(1)) = 0x04020C00;
+
+ /* setup pins for FPGA */
+ mx31_gpio_mux(IOMUX_MODE(0x76, MUX_CTL_GPIO));
+ mx31_gpio_mux(IOMUX_MODE(0x7e, MUX_CTL_GPIO));
+ mx31_gpio_mux(IOMUX_MODE(0x91, MUX_CTL_OUT_FUNC | MUX_CTL_IN_GPIO));
+ mx31_gpio_mux(IOMUX_MODE(0x92, MUX_CTL_GPIO));
+ mx31_gpio_mux(IOMUX_MODE(0x93, MUX_CTL_GPIO));
+#endif
+
+ /* setup pins for UART1 */
+ mx31_gpio_mux(MUX_RXD1__UART1_RXD_MUX);
+ mx31_gpio_mux(MUX_TXD1__UART1_TXD_MUX);
+ mx31_gpio_mux(MUX_RTS1__UART1_RTS_B);
+ mx31_gpio_mux(MUX_CTS1__UART1_CTS_B);
+
+ /* board id for linux */
+ gd->bd->bi_arch_number = MACH_TYPE_QONG;
+ gd->bd->bi_boot_params = (0x80000100); /* adress of boot parameters */
+
+ return 0;
+}
+
+int checkboard (void)
+{
+ printf("Board: DAVE/DENX QongEVB-LITE\n");
+ return 0;
+}
+
+int misc_init_r (void)
+{
+#ifdef CONFIG_QONG_FPGA
+ u32 tmp;
+
+ /* FPGA reset */
+ /* rstn = 0 */
+ tmp = __REG(GPIO2_BASE + GPIO_DR);
+ tmp &= (~(1 << QONG_FPGA_RST_PIN));
+ __REG(GPIO2_BASE + GPIO_DR) = tmp;
+ /* set the GPIO as output */
+ tmp = __REG(GPIO2_BASE + GPIO_GDIR);
+ tmp |= (1 << QONG_FPGA_RST_PIN);
+ __REG(GPIO2_BASE + GPIO_GDIR) = tmp;
+ /* wait */
+ udelay(30);
+ /* rstn = 1 */
+ tmp = __REG(GPIO2_BASE + GPIO_DR);
+ tmp |= (1 << QONG_FPGA_RST_PIN);
+ __REG(GPIO2_BASE + GPIO_DR) = tmp;
+ /* set interrupt pin as input */
+ __REG(GPIO2_BASE + GPIO_GDIR) = tmp | (1 << QONG_FPGA_IRQ_PIN);
+ /* wait while the FPGA starts */
+ udelay(300);
+
+ tmp = *(volatile u32*)QONG_FPGA_CTRL_VERSION;
+ printf("FPGA: ");
+ printf("version register = %u.%u.%u\n",
+ (tmp & 0xF000) >> 12, (tmp & 0x0F00) >> 8, tmp & 0x00FF);
+#endif
+
+ return 0;
+}
+
+int board_eth_init(bd_t *bis)
+{
+#if defined(CONFIG_QONG_FPGA) && defined(CONFIG_DNET)
+ return dnet_eth_initialize(0, (void *)CONFIG_DNET_BASE, -1);
+#else
+ return 0;
+#endif
+}
+