2 * Copyright 2014-2015 Freescale Semiconductor
4 * SPDX-License-Identifier: GPL-2.0+
11 #include <asm/arch/soc.h>
13 #include <asm/global_data.h>
14 #include <asm/arch-fsl-layerscape/config.h>
15 #ifdef CONFIG_CHAIN_OF_TRUST
16 #include <fsl_validate.h>
19 DECLARE_GLOBAL_DATA_PTR;
21 bool soc_has_dp_ddr(void)
23 struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
24 u32 svr = gur_in32(&gur->svr);
26 /* LS2085A has DP_DDR */
27 if (SVR_SOC_VER(svr) == SVR_LS2085)
33 bool soc_has_aiop(void)
35 struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
36 u32 svr = gur_in32(&gur->svr);
38 /* LS2085A has AIOP */
39 if (SVR_SOC_VER(svr) == SVR_LS2085)
47 * This erratum requires setting a value to eddrtqcr1 to
48 * optimal the DDR performance.
50 static void erratum_a008336(void)
54 #ifdef CONFIG_SYS_FSL_ERRATUM_A008336
55 #ifdef CONFIG_SYS_FSL_DCSR_DDR_ADDR
56 eddrtqcr1 = (void *)CONFIG_SYS_FSL_DCSR_DDR_ADDR + 0x800;
57 out_le32(eddrtqcr1, 0x63b30002);
59 #ifdef CONFIG_SYS_FSL_DCSR_DDR2_ADDR
60 eddrtqcr1 = (void *)CONFIG_SYS_FSL_DCSR_DDR2_ADDR + 0x800;
61 out_le32(eddrtqcr1, 0x63b30002);
67 * This erratum requires a register write before being Memory
68 * controller 3 being enabled.
70 static void erratum_a008514(void)
74 #ifdef CONFIG_SYS_FSL_ERRATUM_A008514
75 #ifdef CONFIG_SYS_FSL_DCSR_DDR3_ADDR
76 eddrtqcr1 = (void *)CONFIG_SYS_FSL_DCSR_DDR3_ADDR + 0x800;
77 out_le32(eddrtqcr1, 0x63b20002);
81 #ifdef CONFIG_SYS_FSL_ERRATUM_A009635
82 #define PLATFORM_CYCLE_ENV_VAR "a009635_interval_val"
84 static unsigned long get_internval_val_mhz(void)
86 char *interval = getenv(PLATFORM_CYCLE_ENV_VAR);
88 * interval is the number of platform cycles(MHz) between
89 * wake up events generated by EPU.
91 ulong interval_mhz = get_bus_freq(0) / (1000 * 1000);
94 interval_mhz = simple_strtoul(interval, NULL, 10);
99 void erratum_a009635(void)
102 unsigned long interval_mhz = get_internval_val_mhz();
107 val = in_le32(DCSR_CGACRE5);
108 writel(val | 0x00000200, DCSR_CGACRE5);
110 val = in_le32(EPU_EPCMPR5);
111 writel(interval_mhz, EPU_EPCMPR5);
112 val = in_le32(EPU_EPCCR5);
113 writel(val | 0x82820000, EPU_EPCCR5);
114 val = in_le32(EPU_EPSMCR5);
115 writel(val | 0x002f0000, EPU_EPSMCR5);
116 val = in_le32(EPU_EPECR5);
117 writel(val | 0x20000000, EPU_EPECR5);
118 val = in_le32(EPU_EPGCR);
119 writel(val | 0x80000000, EPU_EPGCR);
121 #endif /* CONFIG_SYS_FSL_ERRATUM_A009635 */
123 static void erratum_a008751(void)
125 #ifdef CONFIG_SYS_FSL_ERRATUM_A008751
126 u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE;
128 writel(0x27672b2a, scfg + SCFG_USB3PRM1CR / 4);
132 static void erratum_rcw_src(void)
134 #if defined(CONFIG_SPL)
135 u32 __iomem *dcfg_ccsr = (u32 __iomem *)DCFG_BASE;
136 u32 __iomem *dcfg_dcsr = (u32 __iomem *)DCFG_DCSR_BASE;
139 val = in_le32(dcfg_ccsr + DCFG_PORSR1 / 4);
140 val &= ~DCFG_PORSR1_RCW_SRC;
141 val |= DCFG_PORSR1_RCW_SRC_NOR;
142 out_le32(dcfg_dcsr + DCFG_DCSR_PORCR1 / 4, val);
146 #define I2C_DEBUG_REG 0x6
147 #define I2C_GLITCH_EN 0x8
149 * This erratum requires setting glitch_en bit to enable
150 * digital glitch filter to improve clock stability.
152 static void erratum_a009203(void)
155 #ifdef CONFIG_SYS_I2C
156 #ifdef I2C1_BASE_ADDR
157 ptr = (u8 __iomem *)(I2C1_BASE_ADDR + I2C_DEBUG_REG);
159 writeb(I2C_GLITCH_EN, ptr);
161 #ifdef I2C2_BASE_ADDR
162 ptr = (u8 __iomem *)(I2C2_BASE_ADDR + I2C_DEBUG_REG);
164 writeb(I2C_GLITCH_EN, ptr);
166 #ifdef I2C3_BASE_ADDR
167 ptr = (u8 __iomem *)(I2C3_BASE_ADDR + I2C_DEBUG_REG);
169 writeb(I2C_GLITCH_EN, ptr);
171 #ifdef I2C4_BASE_ADDR
172 ptr = (u8 __iomem *)(I2C4_BASE_ADDR + I2C_DEBUG_REG);
174 writeb(I2C_GLITCH_EN, ptr);
178 void bypass_smmu(void)
181 val = (in_le32(SMMU_SCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
182 out_le32(SMMU_SCR0, val);
183 val = (in_le32(SMMU_NSCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
184 out_le32(SMMU_NSCR0, val);
186 void fsl_lsch3_early_init_f(void)
190 init_early_memctl_regs(); /* tighten IFC timing */
194 #ifdef CONFIG_CHAIN_OF_TRUST
195 /* In case of Secure Boot, the IBR configures the SMMU
196 * to allow only Secure transactions.
197 * SMMU must be reset in bypass mode.
198 * Set the ClientPD bit and Clear the USFCFG Bit
200 if (fsl_check_boot_mode_secure() == 1)
205 #ifdef CONFIG_SCSI_AHCI_PLAT
208 struct ccsr_ahci __iomem *ccsr_ahci;
210 ccsr_ahci = (void *)CONFIG_SYS_SATA2;
211 out_le32(&ccsr_ahci->ppcfg, AHCI_PORT_PHY_1_CFG);
212 out_le32(&ccsr_ahci->ptc, AHCI_PORT_TRANS_CFG);
214 ccsr_ahci = (void *)CONFIG_SYS_SATA1;
215 out_le32(&ccsr_ahci->ppcfg, AHCI_PORT_PHY_1_CFG);
216 out_le32(&ccsr_ahci->ptc, AHCI_PORT_TRANS_CFG);
218 ahci_init((void __iomem *)CONFIG_SYS_SATA1);
225 #elif defined(CONFIG_LS1043A)
226 #ifdef CONFIG_SCSI_AHCI_PLAT
229 struct ccsr_ahci __iomem *ccsr_ahci = (void *)CONFIG_SYS_SATA;
231 out_le32(&ccsr_ahci->ppcfg, AHCI_PORT_PHY_1_CFG);
232 out_le32(&ccsr_ahci->pp2c, AHCI_PORT_PHY_2_CFG);
233 out_le32(&ccsr_ahci->pp3c, AHCI_PORT_PHY_3_CFG);
234 out_le32(&ccsr_ahci->ptc, AHCI_PORT_TRANS_CFG);
236 ahci_init((void __iomem *)CONFIG_SYS_SATA);
243 static void erratum_a009929(void)
245 #ifdef CONFIG_SYS_FSL_ERRATUM_A009929
246 struct ccsr_gur *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
247 u32 __iomem *dcsr_cop_ccp = (void *)CONFIG_SYS_DCSR_COP_CCP_ADDR;
248 u32 rstrqmr1 = gur_in32(&gur->rstrqmr1);
250 rstrqmr1 |= 0x00000400;
251 gur_out32(&gur->rstrqmr1, rstrqmr1);
252 writel(0x01000000, dcsr_cop_ccp);
257 * This erratum requires setting a value to eddrtqcr1 to optimal
258 * the DDR performance. The eddrtqcr1 register is in SCFG space
259 * of LS1043A and the offset is 0x157_020c.
261 #if defined(CONFIG_SYS_FSL_ERRATUM_A009660) \
262 && defined(CONFIG_SYS_FSL_ERRATUM_A008514)
263 #error A009660 and A008514 can not be both enabled.
266 static void erratum_a009660(void)
268 #ifdef CONFIG_SYS_FSL_ERRATUM_A009660
269 u32 *eddrtqcr1 = (void *)CONFIG_SYS_FSL_SCFG_ADDR + 0x20c;
270 out_be32(eddrtqcr1, 0x63b20042);
274 void fsl_lsch2_early_init_f(void)
276 struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR;
277 struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
279 #ifdef CONFIG_FSL_IFC
280 init_early_memctl_regs(); /* tighten IFC timing */
283 #if defined(CONFIG_FSL_QSPI) && !defined(CONFIG_QSPI_BOOT)
284 out_be32(&scfg->qspi_cfg, SCFG_QSPI_CLKSEL);
286 /* Make SEC reads and writes snoopable */
287 setbits_be32(&scfg->snpcnfgcr, SCFG_SNPCNFGCR_SECRDSNP |
288 SCFG_SNPCNFGCR_SECWRSNP);
291 * Enable snoop requests and DVM message requests for
292 * Slave insterface S4 (A53 core cluster)
294 out_le32(&cci->slave[4].snoop_ctrl,
295 CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
303 #ifdef CONFIG_BOARD_LATE_INIT
304 int board_late_init(void)
306 #ifdef CONFIG_SCSI_AHCI_PLAT
309 #ifdef CONFIG_CHAIN_OF_TRUST
310 fsl_setenv_chain_of_trust();