2 * Copyright 2015 Freescale Semiconductor, Inc.
4 * SPDX-License-Identifier: GPL-2.0+
9 #include <fdt_support.h>
11 #include <asm/arch/clock.h>
12 #include <asm/arch/fsl_serdes.h>
13 #include <asm/arch/fdt.h>
14 #include <asm/arch/soc.h>
20 #include <fsl_esdhc.h>
24 #include "../common/qixis.h"
25 #include "ls1043aqds_qixis.h"
27 DECLARE_GLOBAL_DATA_PTR;
33 /* LS1043AQDS serdes mux */
34 #define CFG_SD_MUX1_SLOT2 0x0 /* SLOT2 TX/RX0 */
35 #define CFG_SD_MUX1_SLOT1 0x1 /* SLOT1 TX/RX1 */
36 #define CFG_SD_MUX2_SLOT3 0x0 /* SLOT3 TX/RX0 */
37 #define CFG_SD_MUX2_SLOT1 0x1 /* SLOT1 TX/RX2 */
38 #define CFG_SD_MUX3_SLOT4 0x0 /* SLOT4 TX/RX0 */
39 #define CFG_SD_MUX3_MUX4 0x1 /* MUX4 */
40 #define CFG_SD_MUX4_SLOT3 0x0 /* SLOT3 TX/RX1 */
41 #define CFG_SD_MUX4_SLOT1 0x1 /* SLOT1 TX/RX3 */
42 #define CFG_UART_MUX_MASK 0x6
43 #define CFG_UART_MUX_SHIFT 1
44 #define CFG_LPUART_EN 0x1
49 #ifndef CONFIG_SD_BOOT
53 puts("Board: LS1043AQDS, boot from ");
58 sw = QIXIS_READ(brdcfg[0]);
59 sw = (sw & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT;
62 printf("vBank: %d\n", sw);
70 printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH);
73 printf("Sys ID: 0x%02x, Sys Ver: 0x%02x\n",
74 QIXIS_READ(id), QIXIS_READ(arch));
76 printf("FPGA: v%d (%s), build %d\n",
77 (int)QIXIS_READ(scver), qixis_read_tag(buf),
78 (int)qixis_read_minor());
83 bool if_board_diff_clk(void)
85 u8 diff_conf = QIXIS_READ(brdcfg[11]);
87 return diff_conf & 0x40;
90 unsigned long get_board_sys_clk(void)
92 u8 sysclk_conf = QIXIS_READ(brdcfg[1]);
94 switch (sysclk_conf & 0x0f) {
99 case QIXIS_SYSCLK_100:
101 case QIXIS_SYSCLK_125:
103 case QIXIS_SYSCLK_133:
105 case QIXIS_SYSCLK_150:
107 case QIXIS_SYSCLK_160:
109 case QIXIS_SYSCLK_166:
116 unsigned long get_board_ddr_clk(void)
118 u8 ddrclk_conf = QIXIS_READ(brdcfg[1]);
120 if (if_board_diff_clk())
121 return get_board_sys_clk();
122 switch ((ddrclk_conf & 0x30) >> 4) {
123 case QIXIS_DDRCLK_100:
125 case QIXIS_DDRCLK_125:
127 case QIXIS_DDRCLK_133:
134 int select_i2c_ch_pca9547(u8 ch)
138 ret = i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &ch, 1);
140 puts("PCA: failed to select proper channel\n");
150 * When resuming from deep sleep, the I2C channel may not be
151 * in the default channel. So, switch to the default channel
152 * before accessing DDR SPD.
154 select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
155 gd->ram_size = initdram(0);
160 int i2c_multiplexer_select_vid_channel(u8 channel)
162 return select_i2c_ch_pca9547(channel);
165 void board_retimer_init(void)
169 /* Retimer is connected to I2C1_CH7_CH5 */
170 select_i2c_ch_pca9547(I2C_MUX_CH7);
172 i2c_write(I2C_MUX_PCA_ADDR_SEC, 0, 1, ®, 1);
174 /* Access to Control/Shared register */
176 i2c_write(I2C_RETIMER_ADDR, 0xff, 1, ®, 1);
178 /* Read device revision and ID */
179 i2c_read(I2C_RETIMER_ADDR, 1, 1, ®, 1);
180 debug("Retimer version id = 0x%x\n", reg);
182 /* Enable Broadcast. All writes target all channel register sets */
184 i2c_write(I2C_RETIMER_ADDR, 0xff, 1, ®, 1);
186 /* Reset Channel Registers */
187 i2c_read(I2C_RETIMER_ADDR, 0, 1, ®, 1);
189 i2c_write(I2C_RETIMER_ADDR, 0, 1, ®, 1);
191 /* Enable override divider select and Enable Override Output Mux */
192 i2c_read(I2C_RETIMER_ADDR, 9, 1, ®, 1);
194 i2c_write(I2C_RETIMER_ADDR, 9, 1, ®, 1);
196 /* Select VCO Divider to full rate (000) */
197 i2c_read(I2C_RETIMER_ADDR, 0x18, 1, ®, 1);
199 i2c_write(I2C_RETIMER_ADDR, 0x18, 1, ®, 1);
201 /* Selects active PFD MUX Input as Re-timed Data (001) */
202 i2c_read(I2C_RETIMER_ADDR, 0x1e, 1, ®, 1);
205 i2c_write(I2C_RETIMER_ADDR, 0x1e, 1, ®, 1);
207 /* Set data rate as 10.3125 Gbps */
209 i2c_write(I2C_RETIMER_ADDR, 0x60, 1, ®, 1);
211 i2c_write(I2C_RETIMER_ADDR, 0x61, 1, ®, 1);
213 i2c_write(I2C_RETIMER_ADDR, 0x62, 1, ®, 1);
215 i2c_write(I2C_RETIMER_ADDR, 0x63, 1, ®, 1);
217 i2c_write(I2C_RETIMER_ADDR, 0x64, 1, ®, 1);
219 /* Return the default channel */
220 select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
223 int board_early_init_f(void)
225 #ifdef CONFIG_HAS_FSL_XHCI_USB
226 struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
233 #ifdef CONFIG_SYS_I2C_EARLY_INIT
236 fsl_lsch2_early_init_f();
238 #ifdef CONFIG_HAS_FSL_XHCI_USB
239 out_be32(&scfg->rcwpmuxcr0, 0x3333);
240 out_be32(&scfg->usbdrvvbus_selcr, SCFG_USBDRVVBUS_SELCR_USB1);
242 (SCFG_USBPWRFAULT_DEDICATED << SCFG_USBPWRFAULT_USB3_SHIFT) |
243 (SCFG_USBPWRFAULT_DEDICATED << SCFG_USBPWRFAULT_USB2_SHIFT) |
244 (SCFG_USBPWRFAULT_SHARED << SCFG_USBPWRFAULT_USB1_SHIFT);
245 out_be32(&scfg->usbpwrfault_selcr, usb_pwrfault);
249 /* We use lpuart0 as system console */
250 uart = QIXIS_READ(brdcfg[14]);
251 uart &= ~CFG_UART_MUX_MASK;
252 uart |= CFG_LPUART_EN << CFG_UART_MUX_SHIFT;
253 QIXIS_WRITE(brdcfg[14], uart);
259 #ifdef CONFIG_FSL_DEEP_SLEEP
260 /* determine if it is a warm boot */
261 bool is_warm_boot(void)
263 #define DCFG_CCSR_CRSTSR_WDRFR (1 << 3)
264 struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
266 if (in_be32(&gur->crstsr) & DCFG_CCSR_CRSTSR_WDRFR)
273 int config_board_mux(int ctrl_type)
277 reg14 = QIXIS_READ(brdcfg[14]);
281 reg14 = (reg14 & (~0x30)) | 0x20;
284 puts("Unsupported mux interface type\n");
288 QIXIS_WRITE(brdcfg[14], reg14);
293 int config_serdes_mux(void)
299 #ifdef CONFIG_MISC_INIT_R
300 int misc_init_r(void)
302 if (hwconfig("gpio"))
303 config_board_mux(MUX_TYPE_GPIO);
311 select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
312 board_retimer_init();
314 #ifdef CONFIG_SYS_FSL_SERDES
321 #ifdef CONFIG_OF_BOARD_SETUP
322 int ft_board_setup(void *blob, bd_t *bd)
324 u64 base[CONFIG_NR_DRAM_BANKS];
325 u64 size[CONFIG_NR_DRAM_BANKS];
328 /* fixup DT for the two DDR banks */
329 base[0] = gd->bd->bi_dram[0].start;
330 size[0] = gd->bd->bi_dram[0].size;
331 base[1] = gd->bd->bi_dram[1].start;
332 size[1] = gd->bd->bi_dram[1].size;
334 fdt_fixup_memory_banks(blob, base, size, 2);
335 ft_cpu_setup(blob, bd);
337 #ifdef CONFIG_SYS_DPAA_FMAN
338 fdt_fixup_fman_ethernet(blob);
339 fdt_fixup_board_enet(blob);
342 reg = QIXIS_READ(brdcfg[0]);
343 reg = (reg & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT;
345 /* Disable IFC if QSPI is enabled */
347 do_fixup_by_compat(blob, "fsl,ifc",
348 "status", "disabled", 8 + 1, 1);
354 u8 flash_read8(void *addr)
356 return __raw_readb(addr + 1);
359 void flash_write16(u16 val, void *addr)
361 u16 shftval = (((val >> 8) & 0xff) | ((val << 8) & 0xff00));
363 __raw_writew(shftval, addr);
366 u16 flash_read16(void *addr)
368 u16 val = __raw_readw(addr);
370 return (((val) >> 8) & 0x00ff) | (((val) << 8) & 0xff00);