3 * Marek Vasut <marek.vasut@gmail.com>
5 * Heavily based on pxa255_idp platform
7 * SPDX-License-Identifier: GPL-2.0+
13 #include <asm/arch/hardware.h>
14 #include <asm/arch/pxa.h>
15 #include <asm/arch/regs-mmc.h>
20 DECLARE_GLOBAL_DATA_PTR;
25 inline void lcd_start(void) {};
29 * Miscelaneous platform dependent initialisations
33 /* arch number of Z2 */
34 gd->bd->bi_arch_number = MACH_TYPE_ZIPIT2;
36 /* adress of boot parameters */
37 gd->bd->bi_boot_params = 0xa0000100;
48 gd->ram_size = PHYS_SDRAM_1_SIZE;
53 int board_usb_init(int index, enum usb_init_type init)
56 writel(readl(UP2OCR) | UP2OCR_HXOE | UP2OCR_HXS |
57 UP2OCR_DMPDE | UP2OCR_DPPDE, UP2OCR);
62 int board_usb_cleanup(int index, enum usb_init_type init)
67 void usb_board_stop(void)
72 void dram_init_banksize(void)
74 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
75 gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
79 int board_mmc_init(bd_t *bis)
100 { 0x13, 0x0070, 200 },
126 { 0x07, 0x0015, 30 },
133 void zipitz2_spi_sda(int set)
137 writel((1 << 13), GPSR0);
139 writel((1 << 13), GPCR0);
142 void zipitz2_spi_scl(int set)
146 writel((1 << 22), GPCR0);
148 writel((1 << 22), GPSR0);
151 unsigned char zipitz2_spi_read(void)
154 return !!(readl(GPLR1) & (1 << 8));
157 int spi_cs_is_valid(unsigned int bus, unsigned int cs)
163 void spi_cs_activate(struct spi_slave *slave)
166 writel((1 << 24), GPCR2);
169 void spi_cs_deactivate(struct spi_slave *slave)
172 writel((1 << 24), GPSR2);
178 unsigned char reg[3] = { 0x74, 0x00, 0 };
179 unsigned char data[3] = { 0x76, 0, 0 };
180 unsigned char dummy[3] = { 0, 0, 0 };
183 writel(readl(GAFR0_L) | 0x00800000, GAFR0_L);
184 /* Enable clock to all PWM */
185 writel(readl(CKEN) | 0x3, CKEN);
187 writel(0x4f, PWM_CTRL2);
188 writel(0x2ff, PWM_PWDUTY2);
189 writel(792, PWM_PERVAL2);
191 /* Toggle the reset pin to reset the LCD */
192 writel((1 << 19), GPSR0);
194 writel((1 << 19), GPCR0);
196 writel((1 << 19), GPSR0);
199 /* Program the LCD init sequence */
200 for (i = 0; i < sizeof(lcd_data) / sizeof(lcd_data[0]); i++) {
203 reg[2] = lcd_data[i].reg;
204 spi_xfer(NULL, 24, reg, dummy, SPI_XFER_BEGIN | SPI_XFER_END);
207 data[1] = lcd_data[i].data >> 8;
208 data[2] = lcd_data[i].data & 0xff;
209 spi_xfer(NULL, 24, data, dummy, SPI_XFER_BEGIN | SPI_XFER_END);
211 if (lcd_data[i].mdelay)
212 udelay(lcd_data[i].mdelay * 1000);
215 writel((1 << 11), GPSR0);