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 /* We have RAM, disable cache */
37 /* arch number of Z2 */
38 gd->bd->bi_arch_number = MACH_TYPE_ZIPIT2;
40 /* adress of boot parameters */
41 gd->bd->bi_boot_params = 0xa0000100;
52 gd->ram_size = PHYS_SDRAM_1_SIZE;
57 int board_usb_init(int index, enum usb_init_type init)
60 writel(readl(UP2OCR) | UP2OCR_HXOE | UP2OCR_HXS |
61 UP2OCR_DMPDE | UP2OCR_DPPDE, UP2OCR);
66 int board_usb_cleanup(int index, enum usb_init_type init)
71 void usb_board_stop(void)
76 void dram_init_banksize(void)
78 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
79 gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
83 int board_mmc_init(bd_t *bis)
102 { 0x13, 0x0040, 50 },
104 { 0x13, 0x0070, 200 },
130 { 0x07, 0x0015, 30 },
137 void zipitz2_spi_sda(int set)
141 writel((1 << 13), GPSR0);
143 writel((1 << 13), GPCR0);
146 void zipitz2_spi_scl(int set)
150 writel((1 << 22), GPCR0);
152 writel((1 << 22), GPSR0);
155 unsigned char zipitz2_spi_read(void)
158 return !!(readl(GPLR1) & (1 << 8));
161 int spi_cs_is_valid(unsigned int bus, unsigned int cs)
167 void spi_cs_activate(struct spi_slave *slave)
170 writel((1 << 24), GPCR2);
173 void spi_cs_deactivate(struct spi_slave *slave)
176 writel((1 << 24), GPSR2);
182 unsigned char reg[3] = { 0x74, 0x00, 0 };
183 unsigned char data[3] = { 0x76, 0, 0 };
184 unsigned char dummy[3] = { 0, 0, 0 };
187 writel(readl(GAFR0_L) | 0x00800000, GAFR0_L);
188 /* Enable clock to all PWM */
189 writel(readl(CKEN) | 0x3, CKEN);
191 writel(0x4f, PWM_CTRL2);
192 writel(0x2ff, PWM_PWDUTY2);
193 writel(792, PWM_PERVAL2);
195 /* Toggle the reset pin to reset the LCD */
196 writel((1 << 19), GPSR0);
198 writel((1 << 19), GPCR0);
200 writel((1 << 19), GPSR0);
203 /* Program the LCD init sequence */
204 for (i = 0; i < sizeof(lcd_data) / sizeof(lcd_data[0]); i++) {
207 reg[2] = lcd_data[i].reg;
208 spi_xfer(NULL, 24, reg, dummy, SPI_XFER_BEGIN | SPI_XFER_END);
211 data[1] = lcd_data[i].data >> 8;
212 data[2] = lcd_data[i].data & 0xff;
213 spi_xfer(NULL, 24, data, dummy, SPI_XFER_BEGIN | SPI_XFER_END);
215 if (lcd_data[i].mdelay)
216 udelay(lcd_data[i].mdelay * 1000);
219 writel((1 << 11), GPSR0);