3 * (c) 2009 Emcraft Systems, Ilya Yanok <yanok@emcraft.com>
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
26 #include <asm/arch/clock.h>
27 #include <asm/arch/imx-regs.h>
28 #include <asm/arch/sys_proto.h>
31 #include <power/pmic.h>
34 #include "qong_fpga.h"
38 DECLARE_GLOBAL_DATA_PTR;
42 /* dram_init must store complete ramsize in gd->ram_size */
43 gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
48 static void qong_fpga_reset(void)
50 gpio_set_value(QONG_FPGA_RST_PIN, 0);
52 gpio_set_value(QONG_FPGA_RST_PIN, 1);
57 int board_early_init_f(void)
59 #ifdef CONFIG_QONG_FPGA
60 /* CS1: FPGA/Network Controller/GPIO, 16-bit, no DTACK */
61 static const struct mxc_weimcs cs1 = {
62 /* sp wp bcd bcs psz pme sync dol cnc wsc ew wws edc */
63 CSCR_U(0, 0, 0, 0, 0, 0, 0, 0, 0, 10, 0, 0, 1),
64 /* oea oen ebwa ebwn csa ebc dsz csn psr cre wrap csen */
65 CSCR_L(2, 0, 0, 4, 0, 0, 5, 0, 0, 0, 0, 1),
66 /* ebra ebrn rwa rwn mum lah lbn lba dww dct wwu age cnc2 fce*/
67 CSCR_A(0, 4, 0, 2, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0)
70 mxc_setup_weimcs(1, &cs1);
72 /* setup pins for FPGA */
73 mx31_gpio_mux(IOMUX_MODE(0x76, MUX_CTL_GPIO));
74 mx31_gpio_mux(IOMUX_MODE(0x7e, MUX_CTL_GPIO));
75 mx31_gpio_mux(IOMUX_MODE(0x91, MUX_CTL_OUT_FUNC | MUX_CTL_IN_GPIO));
76 mx31_gpio_mux(IOMUX_MODE(0x92, MUX_CTL_GPIO));
77 mx31_gpio_mux(IOMUX_MODE(0x93, MUX_CTL_GPIO));
81 gpio_direction_output(QONG_FPGA_RST_PIN, 0);
83 /* set interrupt pin as input */
84 gpio_direction_input(QONG_FPGA_IRQ_PIN);
86 /* FPGA JTAG Interface */
87 mx31_gpio_mux(IOMUX_MODE(MUX_CTL_SFS6, MUX_CTL_GPIO));
88 mx31_gpio_mux(IOMUX_MODE(MUX_CTL_SCK6, MUX_CTL_GPIO));
89 mx31_gpio_mux(IOMUX_MODE(MUX_CTL_CAPTURE, MUX_CTL_GPIO));
90 mx31_gpio_mux(IOMUX_MODE(MUX_CTL_COMPARE, MUX_CTL_GPIO));
91 gpio_direction_output(QONG_FPGA_TCK_PIN, 0);
92 gpio_direction_output(QONG_FPGA_TMS_PIN, 0);
93 gpio_direction_output(QONG_FPGA_TDI_PIN, 0);
94 gpio_direction_input(QONG_FPGA_TDO_PIN);
97 /* setup pins for UART1 */
98 mx31_gpio_mux(MUX_RXD1__UART1_RXD_MUX);
99 mx31_gpio_mux(MUX_TXD1__UART1_TXD_MUX);
100 mx31_gpio_mux(MUX_RTS1__UART1_RTS_B);
101 mx31_gpio_mux(MUX_CTS1__UART1_CTS_B);
103 /* setup pins for SPI (pmic) */
104 mx31_gpio_mux(MUX_CSPI2_SS0__CSPI2_SS0_B);
105 mx31_gpio_mux(MUX_CSPI2_MOSI__CSPI2_MOSI);
106 mx31_gpio_mux(MUX_CSPI2_MISO__CSPI2_MISO);
107 mx31_gpio_mux(MUX_CSPI2_SCLK__CSPI2_CLK);
108 mx31_gpio_mux(MUX_CSPI2_SPI_RDY__CSPI2_DATAREADY_B);
110 /* Setup pins for USB2 Host */
111 mx31_gpio_mux(IOMUX_MODE(MUX_CTL_USBH2_CLK, MUX_CTL_FUNC));
112 mx31_gpio_mux(IOMUX_MODE(MUX_CTL_USBH2_DIR, MUX_CTL_FUNC));
113 mx31_gpio_mux(IOMUX_MODE(MUX_CTL_USBH2_NXT, MUX_CTL_FUNC));
114 mx31_gpio_mux(IOMUX_MODE(MUX_CTL_USBH2_STP, MUX_CTL_FUNC));
115 mx31_gpio_mux(IOMUX_MODE(MUX_CTL_USBH2_DATA0, MUX_CTL_FUNC));
116 mx31_gpio_mux(IOMUX_MODE(MUX_CTL_USBH2_DATA1, MUX_CTL_FUNC));
118 #define H2_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
119 PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
121 mx31_set_pad(MX31_PIN_USBH2_CLK, H2_PAD_CFG);
122 mx31_set_pad(MX31_PIN_USBH2_DIR, H2_PAD_CFG);
123 mx31_set_pad(MX31_PIN_USBH2_NXT, H2_PAD_CFG);
124 mx31_set_pad(MX31_PIN_USBH2_STP, H2_PAD_CFG);
125 mx31_set_pad(MX31_PIN_USBH2_DATA0, H2_PAD_CFG); /* USBH2_DATA0 */
126 mx31_set_pad(MX31_PIN_USBH2_DATA1, H2_PAD_CFG); /* USBH2_DATA1 */
127 mx31_set_pad(MX31_PIN_SRXD6, H2_PAD_CFG); /* USBH2_DATA2 */
128 mx31_set_pad(MX31_PIN_STXD6, H2_PAD_CFG); /* USBH2_DATA3 */
129 mx31_set_pad(MX31_PIN_SFS3, H2_PAD_CFG); /* USBH2_DATA4 */
130 mx31_set_pad(MX31_PIN_SCK3, H2_PAD_CFG); /* USBH2_DATA5 */
131 mx31_set_pad(MX31_PIN_SRXD3, H2_PAD_CFG); /* USBH2_DATA6 */
132 mx31_set_pad(MX31_PIN_STXD3, H2_PAD_CFG); /* USBH2_DATA7 */
134 mx31_set_gpr(MUX_PGP_UH2, 1);
143 /* CS0: Nor Flash #0 - it must be init'ed when executing from DDR */
144 /* Assumptions: HCLK = 133 MHz, tACC = 130ns */
145 static const struct mxc_weimcs cs0 = {
146 /* sp wp bcd bcs psz pme sync dol cnc wsc ew wws edc */
147 CSCR_U(0, 0, 0, 0, 0, 0, 0, 0, 3, 21, 0, 0, 6),
148 /* oea oen ebwa ebwn csa ebc dsz csn psr cre wrap csen */
149 CSCR_L(0, 1, 3, 3, 1, 1, 5, 1, 0, 0, 0, 1),
150 /* ebra ebrn rwa rwn mum lah lbn lba dww dct wwu age cnc2 fce*/
151 CSCR_A(0, 1, 2, 2, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0)
154 mxc_setup_weimcs(0, &cs0);
156 /* board id for linux */
157 gd->bd->bi_arch_number = MACH_TYPE_QONG;
158 gd->bd->bi_boot_params = (0x80000100); /* adress of boot parameters */
165 int board_late_init(void)
171 ret = pmic_init(I2C_PMIC);
175 p = pmic_get("FSL_PMIC");
178 /* Enable RTC battery */
179 pmic_reg_read(p, REG_POWER_CTL0, &val);
180 pmic_reg_write(p, REG_POWER_CTL0, val | COINCHEN);
181 pmic_reg_write(p, REG_INT_STATUS1, RTCRSTI);
183 #ifdef CONFIG_HW_WATCHDOG
192 printf("Board: DAVE/DENX Qong\n");
196 int misc_init_r(void)
198 #ifdef CONFIG_QONG_FPGA
201 tmp = *(volatile u32*)QONG_FPGA_CTRL_VERSION;
203 printf("version register = %u.%u.%u\n",
204 (tmp & 0xF000) >> 12, (tmp & 0x0F00) >> 8, tmp & 0x00FF);
209 int board_eth_init(bd_t *bis)
211 #if defined(CONFIG_QONG_FPGA) && defined(CONFIG_DNET)
212 return dnet_eth_initialize(0, (void *)CONFIG_DNET_BASE, -1);
218 #if defined(CONFIG_QONG_FPGA) && defined(CONFIG_NAND_PLAT)
219 static void board_nand_setup(void)
221 /* CS3: NAND 8-bit */
222 static const struct mxc_weimcs cs3 = {
223 /* sp wp bcd bcs psz pme sync dol cnc wsc ew wws edc */
224 CSCR_U(0, 0, 0, 0, 0, 0, 0, 0, 1, 15, 0, 0, 0),
225 /* oea oen ebwa ebwn csa ebc dsz csn psr cre wrap csen */
226 CSCR_L(2, 0, 0, 1, 3, 1, 3, 3, 0, 0, 0, 1),
227 /* ebra ebrn rwa rwn mum lah lbn lba dww dct wwu age cnc2 fce*/
228 CSCR_A(0, 0, 0, 2, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0)
231 mxc_setup_weimcs(3, &cs3);
233 mx31_set_gpr(MUX_SDCTL_CSD1_SEL, 1);
235 mx31_gpio_mux(IOMUX_MODE(MUX_CTL_NFC_WP, MUX_CTL_IN_GPIO));
236 mx31_gpio_mux(IOMUX_MODE(MUX_CTL_NFC_CE, MUX_CTL_IN_GPIO));
237 mx31_gpio_mux(IOMUX_MODE(MUX_CTL_NFC_RB, MUX_CTL_IN_GPIO));
239 /* Make sure to reset the fpga else you cannot access NAND */
242 /* Enable NAND flash */
243 gpio_set_value(15, 1);
244 gpio_set_value(14, 1);
245 gpio_direction_output(15, 0);
246 gpio_direction_input(16);
247 gpio_direction_input(14);
251 int qong_nand_rdy(void *chip)
254 return gpio_get_value(16);
257 void qong_nand_select_chip(struct mtd_info *mtd, int chip)
260 gpio_set_value(15, 0);
262 gpio_set_value(15, 1);
266 void qong_nand_plat_init(void *chip)
268 struct nand_chip *nand = (struct nand_chip *)chip;
269 nand->chip_delay = 20;
270 nand->select_chip = qong_nand_select_chip;
271 nand->options &= ~NAND_BUSWIDTH_16;