2 * Copyright 2011,2012 Freescale Semiconductor, Inc.
4 * SPDX-License-Identifier: GPL-2.0+
10 #include <linux/compiler.h>
12 #include <asm/processor.h>
13 #include <asm/cache.h>
14 #include <asm/immap_85xx.h>
15 #include <asm/fsl_law.h>
16 #include <asm/fsl_serdes.h>
17 #include <asm/fsl_liodn.h>
20 extern void pci_of_setup(void *blob, bd_t *bd);
24 DECLARE_GLOBAL_DATA_PTR;
29 struct cpu_type *cpu = gd->arch.cpu;
32 printf("Board: %sRDB, ", cpu->name);
33 printf("CPLD version: %d.%d ", CPLD_READ(cpld_ver),
34 CPLD_READ(cpld_ver_sub));
36 sw = CPLD_READ(fbank_sel);
37 printf("vBank: %d\n", sw & 0x1);
40 * Display the actual SERDES reference clocks as configured by the
41 * dip switches on the board. Note that the SWx registers could
42 * technically be set to force the reference clocks to match the
43 * values that the SERDES expects (or vice versa). For now, however,
44 * we just display both values and hope the user notices when they
47 puts("SERDES Reference Clocks: ");
48 sw = in_8(&CPLD_SW(2)) >> 2;
49 for (i = 0; i < 2; i++) {
50 static const char * const freq[][3] = {{"0", "100", "125"},
51 {"100", "156.25", "125"}
53 unsigned int clock = (sw >> (2 * i)) & 3;
55 printf("Bank%u=%sMhz ", i+1, freq[i][clock]);
62 int board_early_init_f(void)
64 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
66 /* board only uses the DDR_MCK0/1, so disable the DDR_MCK2/3 */
67 setbits_be32(&gur->ddrclkdr, 0x000f000f);
72 #define CPLD_LANE_A_SEL 0x1
73 #define CPLD_LANE_G_SEL 0x2
74 #define CPLD_LANE_C_SEL 0x4
75 #define CPLD_LANE_D_SEL 0x8
77 void board_config_lanes_mux(void)
79 ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
80 int srds_prtcl = (in_be32(&gur->rcwsr[4]) &
81 FSL_CORENET_RCWSR4_SRDS_PRTCL) >> 26;
92 mux |= CPLD_LANE_C_SEL | CPLD_LANE_D_SEL;
95 mux |= CPLD_LANE_A_SEL;
98 mux |= CPLD_LANE_G_SEL;
103 mux |= CPLD_LANE_G_SEL | CPLD_LANE_C_SEL | CPLD_LANE_D_SEL;
106 mux |= CPLD_LANE_G_SEL | CPLD_LANE_A_SEL;
109 printf("Fman:Unsupported SerDes Protocol 0x%02x\n", srds_prtcl);
112 CPLD_WRITE(serdes_mux, mux);
115 int board_early_init_r(void)
117 const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
118 int flash_esel = find_tlb_idx((void *)flashbase, 1);
121 * Remap Boot flash + PROMJET region to caching-inhibited
122 * so that flash can be erased properly.
125 /* Flush d-cache and invalidate i-cache of any FLASH data */
129 if (flash_esel == -1) {
130 /* very unlikely unless something is messed up */
131 puts("Error: Could not find TLB for FLASH BASE\n");
132 flash_esel = 2; /* give our best effort to continue */
134 /* invalidate existing TLB entry for flash + promjet */
135 disable_tlb(flash_esel);
138 set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
139 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
140 0, flash_esel, BOOKE_PAGESZ_256M, 1);
142 board_config_lanes_mux();
147 unsigned long get_board_sys_clk(unsigned long dummy)
149 u8 sysclk_conf = CPLD_READ(sysclk_sw1);
151 switch (sysclk_conf & 0x7) {
154 case CPLD_SYSCLK_100:
161 #define NUM_SRDS_BANKS 2
163 int misc_init_r(void)
165 serdes_corenet_t *regs = (void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR;
166 u32 actual[NUM_SRDS_BANKS];
169 static const int freq[][3] = {
170 {0, SRDS_PLLCR0_RFCK_SEL_100, SRDS_PLLCR0_RFCK_SEL_125},
171 {SRDS_PLLCR0_RFCK_SEL_100, SRDS_PLLCR0_RFCK_SEL_156_25,
172 SRDS_PLLCR0_RFCK_SEL_125}
175 sw = in_8(&CPLD_SW(2)) >> 2;
176 for (i = 0; i < NUM_SRDS_BANKS; i++) {
177 unsigned int clock = (sw >> (2 * i)) & 3;
179 printf("Warning: SDREFCLK%u switch setting of '11' is "
180 "unsupported\n", i + 1);
183 if (i == 0 && clock == 0)
184 puts("Warning: SDREFCLK1 switch setting of"
185 "'00' is unsupported\n");
187 actual[i] = freq[i][clock];
190 * PC board uses a different CPLD with PB board, this CPLD
191 * has cpld_ver_sub = 1, and pcba_ver = 5. But CPLD on PB
192 * board has cpld_ver_sub = 0, and pcba_ver = 4.
194 if ((i == 1) && (CPLD_READ(cpld_ver_sub) == 1) &&
195 (CPLD_READ(pcba_ver) == 5)) {
196 /* PC board bank2 frequency */
197 actual[i] = freq[i-1][clock];
201 for (i = 0; i < NUM_SRDS_BANKS; i++) {
202 u32 expected = in_be32(®s->bank[i].pllcr0);
203 expected &= SRDS_PLLCR0_RFCK_SEL_MASK;
204 if (expected != actual[i]) {
205 printf("Warning: SERDES bank %u expects reference clock"
206 " %sMHz, but actual is %sMHz\n", i + 1,
207 serdes_clock_to_string(expected),
208 serdes_clock_to_string(actual[i]));
215 int ft_board_setup(void *blob, bd_t *bd)
220 ft_cpu_setup(blob, bd);
222 base = env_get_bootm_low();
223 size = env_get_bootm_size();
225 fdt_fixup_memory(blob, (u64)base, (u64)size);
227 #if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB)
228 fsl_fdt_fixup_dr_usb(blob, bd);
232 pci_of_setup(blob, bd);
235 fdt_fixup_liodn(blob);
236 #ifdef CONFIG_SYS_DPAA_FMAN
237 fdt_fixup_fman_ethernet(blob);