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>
19 #include <asm/mach-types.h>
21 DECLARE_GLOBAL_DATA_PTR;
26 inline void lcd_start(void) {};
30 * Miscelaneous platform dependent initialisations
34 /* arch number of Z2 */
35 gd->bd->bi_arch_number = MACH_TYPE_ZIPIT2;
37 /* adress of boot parameters */
38 gd->bd->bi_boot_params = 0xa0000100;
49 gd->ram_size = PHYS_SDRAM_1_SIZE;
54 int board_usb_init(int index, enum usb_init_type init)
57 writel(readl(UP2OCR) | UP2OCR_HXOE | UP2OCR_HXS |
58 UP2OCR_DMPDE | UP2OCR_DPPDE, UP2OCR);
63 int board_usb_cleanup(int index, enum usb_init_type init)
68 void usb_board_stop(void)
73 int dram_init_banksize(void)
75 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
76 gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
82 int board_mmc_init(bd_t *bis)
101 { 0x13, 0x0040, 50 },
103 { 0x13, 0x0070, 200 },
129 { 0x07, 0x0015, 30 },
136 void zipitz2_spi_sda(int set)
140 writel((1 << 13), GPSR0);
142 writel((1 << 13), GPCR0);
145 void zipitz2_spi_scl(int set)
149 writel((1 << 22), GPCR0);
151 writel((1 << 22), GPSR0);
154 unsigned char zipitz2_spi_read(void)
157 return !!(readl(GPLR1) & (1 << 8));
160 int spi_cs_is_valid(unsigned int bus, unsigned int cs)
166 void spi_cs_activate(struct spi_slave *slave)
169 writel((1 << 24), GPCR2);
172 void spi_cs_deactivate(struct spi_slave *slave)
175 writel((1 << 24), GPSR2);
181 unsigned char reg[3] = { 0x74, 0x00, 0 };
182 unsigned char data[3] = { 0x76, 0, 0 };
183 unsigned char dummy[3] = { 0, 0, 0 };
186 writel(readl(GAFR0_L) | 0x00800000, GAFR0_L);
187 /* Enable clock to all PWM */
188 writel(readl(CKEN) | 0x3, CKEN);
190 writel(0x4f, PWM_CTRL2);
191 writel(0x2ff, PWM_PWDUTY2);
192 writel(792, PWM_PERVAL2);
194 /* Toggle the reset pin to reset the LCD */
195 writel((1 << 19), GPSR0);
197 writel((1 << 19), GPCR0);
199 writel((1 << 19), GPSR0);
202 /* Program the LCD init sequence */
203 for (i = 0; i < sizeof(lcd_data) / sizeof(lcd_data[0]); i++) {
206 reg[2] = lcd_data[i].reg;
207 spi_xfer(NULL, 24, reg, dummy, SPI_XFER_BEGIN | SPI_XFER_END);
210 data[1] = lcd_data[i].data >> 8;
211 data[2] = lcd_data[i].data & 0xff;
212 spi_xfer(NULL, 24, data, dummy, SPI_XFER_BEGIN | SPI_XFER_END);
214 if (lcd_data[i].mdelay)
215 udelay(lcd_data[i].mdelay * 1000);
218 writel((1 << 11), GPSR0);