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Scott Woodb991b982015-03-20 19:28:12 -07001/*
Mingkai Hu9f3183d2015-10-26 19:47:50 +08002 * Copyright 2014-2015 Freescale Semiconductor
Scott Woodb991b982015-03-20 19:28:12 -07003 *
4 * SPDX-License-Identifier: GPL-2.0+
5 */
6
7#include <common.h>
Ashish Kumar63b23162017-08-11 11:09:14 +05308#include <fsl_immap.h>
Scott Woodb991b982015-03-20 19:28:12 -07009#include <fsl_ifc.h>
Tang Yuantian989c5f02015-12-09 15:32:18 +080010#include <ahci.h>
11#include <scsi.h>
Hou Zhiqiangb392a6d2016-08-02 19:03:27 +080012#include <asm/arch/fsl_serdes.h>
Mingkai Hu9f3183d2015-10-26 19:47:50 +080013#include <asm/arch/soc.h>
Scott Woodd746fef2015-03-20 19:28:13 -070014#include <asm/io.h>
Scott Woodb2d5ac52015-03-24 13:25:02 -070015#include <asm/global_data.h>
Prabhakar Kushwahab40173642015-11-05 12:00:14 +053016#include <asm/arch-fsl-layerscape/config.h>
Hou Zhiqiangb392a6d2016-08-02 19:03:27 +080017#ifdef CONFIG_LAYERSCAPE_NS_ACCESS
Hou Zhiqiang341238f2016-08-02 19:03:23 +080018#include <fsl_csu.h>
Hou Zhiqiangb392a6d2016-08-02 19:03:27 +080019#endif
Prabhakar Kushwahab7f2bbf2016-06-03 18:41:31 +053020#ifdef CONFIG_SYS_FSL_DDR
Shengzhou Liu074596c2016-04-07 16:22:21 +080021#include <fsl_ddr_sdram.h>
22#include <fsl_ddr.h>
Prabhakar Kushwahab7f2bbf2016-06-03 18:41:31 +053023#endif
Aneesh Bansald0412882016-01-22 16:37:26 +053024#ifdef CONFIG_CHAIN_OF_TRUST
25#include <fsl_validate.h>
26#endif
Ashish Kumar6d9b82d2017-08-31 16:12:53 +053027#include <fsl_immap.h>
Scott Woodb2d5ac52015-03-24 13:25:02 -070028
29DECLARE_GLOBAL_DATA_PTR;
Scott Woodd746fef2015-03-20 19:28:13 -070030
York Sun3c1d2182016-04-04 11:41:26 -070031bool soc_has_dp_ddr(void)
32{
33 struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
34 u32 svr = gur_in32(&gur->svr);
35
Priyanka Jain9ae836c2016-11-17 12:29:55 +053036 /* LS2085A, LS2088A, LS2048A has DP_DDR */
37 if ((SVR_SOC_VER(svr) == SVR_LS2085A) ||
38 (SVR_SOC_VER(svr) == SVR_LS2088A) ||
39 (SVR_SOC_VER(svr) == SVR_LS2048A))
York Sun3c1d2182016-04-04 11:41:26 -070040 return true;
41
42 return false;
43}
44
45bool soc_has_aiop(void)
46{
47 struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
48 u32 svr = gur_in32(&gur->svr);
49
50 /* LS2085A has AIOP */
Prabhakar Kushwaha49cdce12016-06-24 13:48:13 +053051 if (SVR_SOC_VER(svr) == SVR_LS2085A)
York Sun3c1d2182016-04-04 11:41:26 -070052 return true;
53
54 return false;
55}
56
Ran Wang2ab15532017-09-04 18:46:48 +080057static inline void set_usb_txvreftune(u32 __iomem *scfg, u32 offset)
58{
59 scfg_clrsetbits32(scfg + offset / 4,
60 0xF << 6,
61 SCFG_USB_TXVREFTUNE << 6);
62}
63
64static void erratum_a009008(void)
65{
66#ifdef CONFIG_SYS_FSL_ERRATUM_A009008
67 u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE;
Ran Wang2a8a3532017-09-04 18:46:49 +080068
Ran Wang2ab15532017-09-04 18:46:48 +080069#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
70 set_usb_txvreftune(scfg, SCFG_USB3PRM1CR_USB1);
71 set_usb_txvreftune(scfg, SCFG_USB3PRM1CR_USB2);
72 set_usb_txvreftune(scfg, SCFG_USB3PRM1CR_USB3);
73#elif defined(CONFIG_ARCH_LS2080A)
74 set_usb_txvreftune(scfg, SCFG_USB3PRM1CR);
75#endif
76#endif /* CONFIG_SYS_FSL_ERRATUM_A009008 */
77}
78
Ran Wang2a8a3532017-09-04 18:46:49 +080079static inline void set_usb_sqrxtune(u32 __iomem *scfg, u32 offset)
80{
81 scfg_clrbits32(scfg + offset / 4,
82 SCFG_USB_SQRXTUNE_MASK << 23);
83}
84
85static void erratum_a009798(void)
86{
87#ifdef CONFIG_SYS_FSL_ERRATUM_A009798
88 u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE;
89
90#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
91 set_usb_sqrxtune(scfg, SCFG_USB3PRM1CR_USB1);
92 set_usb_sqrxtune(scfg, SCFG_USB3PRM1CR_USB2);
93 set_usb_sqrxtune(scfg, SCFG_USB3PRM1CR_USB3);
94#elif defined(CONFIG_ARCH_LS2080A)
95 set_usb_sqrxtune(scfg, SCFG_USB3PRM1CR);
96#endif
97#endif /* CONFIG_SYS_FSL_ERRATUM_A009798 */
98}
99
Ran Wang9d1cd912017-09-04 18:46:50 +0800100#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
101static inline void set_usb_pcstxswingfull(u32 __iomem *scfg, u32 offset)
102{
103 scfg_clrsetbits32(scfg + offset / 4,
104 0x7F << 9,
105 SCFG_USB_PCSTXSWINGFULL << 9);
106}
107#endif
108
109static void erratum_a008997(void)
110{
111#ifdef CONFIG_SYS_FSL_ERRATUM_A008997
112#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
113 u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE;
114
115 set_usb_pcstxswingfull(scfg, SCFG_USB3PRM2CR_USB1);
116 set_usb_pcstxswingfull(scfg, SCFG_USB3PRM2CR_USB2);
117 set_usb_pcstxswingfull(scfg, SCFG_USB3PRM2CR_USB3);
118#endif
119#endif /* CONFIG_SYS_FSL_ERRATUM_A008997 */
120}
121
Ran Wang15d59b52017-09-04 18:46:51 +0800122#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
123
124#define PROGRAM_USB_PHY_RX_OVRD_IN_HI(phy) \
125 out_be16((phy) + SCFG_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_1); \
126 out_be16((phy) + SCFG_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_2); \
127 out_be16((phy) + SCFG_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_3); \
128 out_be16((phy) + SCFG_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_4)
129
130#elif defined(CONFIG_ARCH_LS2080A)
131
132#define PROGRAM_USB_PHY_RX_OVRD_IN_HI(phy) \
133 out_le16((phy) + DCSR_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_1); \
134 out_le16((phy) + DCSR_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_2); \
135 out_le16((phy) + DCSR_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_3); \
136 out_le16((phy) + DCSR_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_4)
137
138#endif
139
140static void erratum_a009007(void)
141{
142#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
143 void __iomem *usb_phy = (void __iomem *)SCFG_USB_PHY1;
144
145 PROGRAM_USB_PHY_RX_OVRD_IN_HI(usb_phy);
146
147 usb_phy = (void __iomem *)SCFG_USB_PHY2;
148 PROGRAM_USB_PHY_RX_OVRD_IN_HI(usb_phy);
149
150 usb_phy = (void __iomem *)SCFG_USB_PHY3;
151 PROGRAM_USB_PHY_RX_OVRD_IN_HI(usb_phy);
152#elif defined(CONFIG_ARCH_LS2080A)
153 void __iomem *dcsr = (void __iomem *)DCSR_BASE;
154
155 PROGRAM_USB_PHY_RX_OVRD_IN_HI(dcsr + DCSR_USB_PHY1);
156 PROGRAM_USB_PHY_RX_OVRD_IN_HI(dcsr + DCSR_USB_PHY2);
157#endif /* CONFIG_SYS_FSL_ERRATUM_A009007 */
158}
159
Shengzhou Liu40836e22016-11-11 18:11:05 +0800160#if defined(CONFIG_FSL_LSCH3)
Yao Yuan000f4e72015-12-05 14:59:14 +0800161/*
162 * This erratum requires setting a value to eddrtqcr1 to
163 * optimal the DDR performance.
164 */
165static void erratum_a008336(void)
166{
Shengzhou Liu40836e22016-11-11 18:11:05 +0800167#ifdef CONFIG_SYS_FSL_ERRATUM_A008336
Yao Yuan000f4e72015-12-05 14:59:14 +0800168 u32 *eddrtqcr1;
169
Yao Yuan000f4e72015-12-05 14:59:14 +0800170#ifdef CONFIG_SYS_FSL_DCSR_DDR_ADDR
171 eddrtqcr1 = (void *)CONFIG_SYS_FSL_DCSR_DDR_ADDR + 0x800;
Shengzhou Liu1a87c242016-08-26 18:30:38 +0800172 if (fsl_ddr_get_version(0) == 0x50200)
173 out_le32(eddrtqcr1, 0x63b30002);
Yao Yuan000f4e72015-12-05 14:59:14 +0800174#endif
175#ifdef CONFIG_SYS_FSL_DCSR_DDR2_ADDR
176 eddrtqcr1 = (void *)CONFIG_SYS_FSL_DCSR_DDR2_ADDR + 0x800;
Shengzhou Liu1a87c242016-08-26 18:30:38 +0800177 if (fsl_ddr_get_version(0) == 0x50200)
178 out_le32(eddrtqcr1, 0x63b30002);
Yao Yuan000f4e72015-12-05 14:59:14 +0800179#endif
180#endif
181}
182
183/*
184 * This erratum requires a register write before being Memory
185 * controller 3 being enabled.
186 */
187static void erratum_a008514(void)
188{
Shengzhou Liu40836e22016-11-11 18:11:05 +0800189#ifdef CONFIG_SYS_FSL_ERRATUM_A008514
Yao Yuan000f4e72015-12-05 14:59:14 +0800190 u32 *eddrtqcr1;
191
Yao Yuan000f4e72015-12-05 14:59:14 +0800192#ifdef CONFIG_SYS_FSL_DCSR_DDR3_ADDR
193 eddrtqcr1 = (void *)CONFIG_SYS_FSL_DCSR_DDR3_ADDR + 0x800;
194 out_le32(eddrtqcr1, 0x63b20002);
195#endif
196#endif
197}
Prabhakar Kushwahab40173642015-11-05 12:00:14 +0530198#ifdef CONFIG_SYS_FSL_ERRATUM_A009635
199#define PLATFORM_CYCLE_ENV_VAR "a009635_interval_val"
200
201static unsigned long get_internval_val_mhz(void)
202{
Simon Glass00caae62017-08-03 12:22:12 -0600203 char *interval = env_get(PLATFORM_CYCLE_ENV_VAR);
Prabhakar Kushwahab40173642015-11-05 12:00:14 +0530204 /*
205 * interval is the number of platform cycles(MHz) between
206 * wake up events generated by EPU.
207 */
208 ulong interval_mhz = get_bus_freq(0) / (1000 * 1000);
209
210 if (interval)
211 interval_mhz = simple_strtoul(interval, NULL, 10);
212
213 return interval_mhz;
214}
215
216void erratum_a009635(void)
217{
218 u32 val;
219 unsigned long interval_mhz = get_internval_val_mhz();
220
221 if (!interval_mhz)
222 return;
223
224 val = in_le32(DCSR_CGACRE5);
225 writel(val | 0x00000200, DCSR_CGACRE5);
226
227 val = in_le32(EPU_EPCMPR5);
228 writel(interval_mhz, EPU_EPCMPR5);
229 val = in_le32(EPU_EPCCR5);
230 writel(val | 0x82820000, EPU_EPCCR5);
231 val = in_le32(EPU_EPSMCR5);
232 writel(val | 0x002f0000, EPU_EPSMCR5);
233 val = in_le32(EPU_EPECR5);
234 writel(val | 0x20000000, EPU_EPECR5);
235 val = in_le32(EPU_EPGCR);
236 writel(val | 0x80000000, EPU_EPGCR);
237}
238#endif /* CONFIG_SYS_FSL_ERRATUM_A009635 */
239
Scott Woodb2d5ac52015-03-24 13:25:02 -0700240static void erratum_rcw_src(void)
241{
Santan Kumarfaed6bd2017-05-05 15:42:28 +0530242#if defined(CONFIG_SPL) && defined(CONFIG_NAND_BOOT)
Scott Woodb2d5ac52015-03-24 13:25:02 -0700243 u32 __iomem *dcfg_ccsr = (u32 __iomem *)DCFG_BASE;
244 u32 __iomem *dcfg_dcsr = (u32 __iomem *)DCFG_DCSR_BASE;
245 u32 val;
246
247 val = in_le32(dcfg_ccsr + DCFG_PORSR1 / 4);
248 val &= ~DCFG_PORSR1_RCW_SRC;
249 val |= DCFG_PORSR1_RCW_SRC_NOR;
250 out_le32(dcfg_dcsr + DCFG_DCSR_PORCR1 / 4, val);
251#endif
252}
253
York Sunab10d732015-03-23 10:41:35 -0700254#define I2C_DEBUG_REG 0x6
255#define I2C_GLITCH_EN 0x8
256/*
257 * This erratum requires setting glitch_en bit to enable
258 * digital glitch filter to improve clock stability.
259 */
Ashish kumardd48f0b2017-02-23 16:03:57 +0530260#ifdef CONFIG_SYS_FSL_ERRATUM_A009203
York Sunab10d732015-03-23 10:41:35 -0700261static void erratum_a009203(void)
262{
263 u8 __iomem *ptr;
264#ifdef CONFIG_SYS_I2C
265#ifdef I2C1_BASE_ADDR
266 ptr = (u8 __iomem *)(I2C1_BASE_ADDR + I2C_DEBUG_REG);
267
268 writeb(I2C_GLITCH_EN, ptr);
269#endif
270#ifdef I2C2_BASE_ADDR
271 ptr = (u8 __iomem *)(I2C2_BASE_ADDR + I2C_DEBUG_REG);
272
273 writeb(I2C_GLITCH_EN, ptr);
274#endif
275#ifdef I2C3_BASE_ADDR
276 ptr = (u8 __iomem *)(I2C3_BASE_ADDR + I2C_DEBUG_REG);
277
278 writeb(I2C_GLITCH_EN, ptr);
279#endif
280#ifdef I2C4_BASE_ADDR
281 ptr = (u8 __iomem *)(I2C4_BASE_ADDR + I2C_DEBUG_REG);
282
283 writeb(I2C_GLITCH_EN, ptr);
284#endif
285#endif
286}
Ashish kumardd48f0b2017-02-23 16:03:57 +0530287#endif
Shengzhou Liu40836e22016-11-11 18:11:05 +0800288
Saksham Jain4a97a0c2016-03-23 16:24:40 +0530289void bypass_smmu(void)
290{
291 u32 val;
292 val = (in_le32(SMMU_SCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
293 out_le32(SMMU_SCR0, val);
294 val = (in_le32(SMMU_NSCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
295 out_le32(SMMU_NSCR0, val);
296}
Scott Woodb991b982015-03-20 19:28:12 -0700297void fsl_lsch3_early_init_f(void)
298{
Scott Woodb2d5ac52015-03-24 13:25:02 -0700299 erratum_rcw_src();
Scott Woodb991b982015-03-20 19:28:12 -0700300 init_early_memctl_regs(); /* tighten IFC timing */
Ashish kumardd48f0b2017-02-23 16:03:57 +0530301#ifdef CONFIG_SYS_FSL_ERRATUM_A009203
York Sunab10d732015-03-23 10:41:35 -0700302 erratum_a009203();
Ashish kumardd48f0b2017-02-23 16:03:57 +0530303#endif
Yao Yuan000f4e72015-12-05 14:59:14 +0800304 erratum_a008514();
305 erratum_a008336();
Ran Wang2ab15532017-09-04 18:46:48 +0800306 erratum_a009008();
Ran Wang2a8a3532017-09-04 18:46:49 +0800307 erratum_a009798();
Ran Wang9d1cd912017-09-04 18:46:50 +0800308 erratum_a008997();
Ran Wang15d59b52017-09-04 18:46:51 +0800309 erratum_a009007();
Saksham Jain4a97a0c2016-03-23 16:24:40 +0530310#ifdef CONFIG_CHAIN_OF_TRUST
311 /* In case of Secure Boot, the IBR configures the SMMU
312 * to allow only Secure transactions.
313 * SMMU must be reset in bypass mode.
314 * Set the ClientPD bit and Clear the USFCFG Bit
315 */
316 if (fsl_check_boot_mode_secure() == 1)
317 bypass_smmu();
318#endif
Scott Woodb991b982015-03-20 19:28:12 -0700319}
Mingkai Hu8281c582015-10-26 19:47:51 +0800320
Tang Yuantian989c5f02015-12-09 15:32:18 +0800321#ifdef CONFIG_SCSI_AHCI_PLAT
322int sata_init(void)
323{
324 struct ccsr_ahci __iomem *ccsr_ahci;
325
Ashish Kumarbdbcb522017-08-18 10:54:35 +0530326#ifdef CONFIG_SYS_SATA2
Tang Yuantian989c5f02015-12-09 15:32:18 +0800327 ccsr_ahci = (void *)CONFIG_SYS_SATA2;
328 out_le32(&ccsr_ahci->ppcfg, AHCI_PORT_PHY_1_CFG);
329 out_le32(&ccsr_ahci->ptc, AHCI_PORT_TRANS_CFG);
Tang Yuantian435cca12016-12-01 17:06:58 +0800330 out_le32(&ccsr_ahci->axicc, AHCI_PORT_AXICC_CFG);
Ashish Kumarbdbcb522017-08-18 10:54:35 +0530331#endif
Tang Yuantian989c5f02015-12-09 15:32:18 +0800332
Ashish Kumarbdbcb522017-08-18 10:54:35 +0530333#ifdef CONFIG_SYS_SATA1
Tang Yuantian989c5f02015-12-09 15:32:18 +0800334 ccsr_ahci = (void *)CONFIG_SYS_SATA1;
335 out_le32(&ccsr_ahci->ppcfg, AHCI_PORT_PHY_1_CFG);
336 out_le32(&ccsr_ahci->ptc, AHCI_PORT_TRANS_CFG);
Tang Yuantian435cca12016-12-01 17:06:58 +0800337 out_le32(&ccsr_ahci->axicc, AHCI_PORT_AXICC_CFG);
Tang Yuantian989c5f02015-12-09 15:32:18 +0800338
339 ahci_init((void __iomem *)CONFIG_SYS_SATA1);
Simon Glass8eab1a52017-06-14 21:28:41 -0600340 scsi_scan(false);
Ashish Kumarbdbcb522017-08-18 10:54:35 +0530341#endif
Tang Yuantian989c5f02015-12-09 15:32:18 +0800342
343 return 0;
344}
345#endif
346
Prabhakar Kushwaha22a44d02016-06-03 18:41:27 +0530347#elif defined(CONFIG_FSL_LSCH2)
Tang Yuantian989c5f02015-12-09 15:32:18 +0800348#ifdef CONFIG_SCSI_AHCI_PLAT
349int sata_init(void)
350{
351 struct ccsr_ahci __iomem *ccsr_ahci = (void *)CONFIG_SYS_SATA;
352
Shaohui Xie1b2b4062016-09-07 17:56:12 +0800353 /* Disable SATA ECC */
354 out_le32((void *)CONFIG_SYS_DCSR_DCFG_ADDR + 0x520, 0x80000000);
Tang Yuantian989c5f02015-12-09 15:32:18 +0800355 out_le32(&ccsr_ahci->ppcfg, AHCI_PORT_PHY_1_CFG);
Tang Yuantian989c5f02015-12-09 15:32:18 +0800356 out_le32(&ccsr_ahci->ptc, AHCI_PORT_TRANS_CFG);
Tang Yuantian4de6ce12016-08-08 15:07:20 +0800357 out_le32(&ccsr_ahci->axicc, AHCI_PORT_AXICC_CFG);
Tang Yuantian989c5f02015-12-09 15:32:18 +0800358
359 ahci_init((void __iomem *)CONFIG_SYS_SATA);
Simon Glass8eab1a52017-06-14 21:28:41 -0600360 scsi_scan(false);
Tang Yuantian989c5f02015-12-09 15:32:18 +0800361
362 return 0;
363}
364#endif
365
Mingkai Hu0d6faf22015-12-07 16:58:54 +0800366static void erratum_a009929(void)
367{
368#ifdef CONFIG_SYS_FSL_ERRATUM_A009929
369 struct ccsr_gur *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
370 u32 __iomem *dcsr_cop_ccp = (void *)CONFIG_SYS_DCSR_COP_CCP_ADDR;
371 u32 rstrqmr1 = gur_in32(&gur->rstrqmr1);
372
373 rstrqmr1 |= 0x00000400;
374 gur_out32(&gur->rstrqmr1, rstrqmr1);
375 writel(0x01000000, dcsr_cop_ccp);
376#endif
377}
378
Mingkai Hubbc8e052016-02-02 11:28:03 +0800379/*
380 * This erratum requires setting a value to eddrtqcr1 to optimal
381 * the DDR performance. The eddrtqcr1 register is in SCFG space
382 * of LS1043A and the offset is 0x157_020c.
383 */
384#if defined(CONFIG_SYS_FSL_ERRATUM_A009660) \
385 && defined(CONFIG_SYS_FSL_ERRATUM_A008514)
386#error A009660 and A008514 can not be both enabled.
387#endif
388
389static void erratum_a009660(void)
390{
391#ifdef CONFIG_SYS_FSL_ERRATUM_A009660
392 u32 *eddrtqcr1 = (void *)CONFIG_SYS_FSL_SCFG_ADDR + 0x20c;
393 out_be32(eddrtqcr1, 0x63b20042);
394#endif
395}
396
Shengzhou Liu074596c2016-04-07 16:22:21 +0800397static void erratum_a008850_early(void)
398{
399#ifdef CONFIG_SYS_FSL_ERRATUM_A008850
400 /* part 1 of 2 */
Ashish Kumar63b23162017-08-11 11:09:14 +0530401 struct ccsr_cci400 __iomem *cci = (void *)(CONFIG_SYS_IMMR +
402 CONFIG_SYS_CCI400_OFFSET);
Shengzhou Liu074596c2016-04-07 16:22:21 +0800403 struct ccsr_ddr __iomem *ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR;
404
York Sun399e2bb2017-05-15 08:51:59 -0700405 /* Skip if running at lower exception level */
406 if (current_el() < 3)
407 return;
408
Shengzhou Liu074596c2016-04-07 16:22:21 +0800409 /* disables propagation of barrier transactions to DDRC from CCI400 */
410 out_le32(&cci->ctrl_ord, CCI400_CTRLORD_TERM_BARRIER);
411
412 /* disable the re-ordering in DDRC */
413 ddr_out32(&ddr->eor, DDR_EOR_RD_REOD_DIS | DDR_EOR_WD_REOD_DIS);
414#endif
415}
416
417void erratum_a008850_post(void)
418{
419#ifdef CONFIG_SYS_FSL_ERRATUM_A008850
420 /* part 2 of 2 */
Ashish Kumar63b23162017-08-11 11:09:14 +0530421 struct ccsr_cci400 __iomem *cci = (void *)(CONFIG_SYS_IMMR +
422 CONFIG_SYS_CCI400_OFFSET);
Shengzhou Liu074596c2016-04-07 16:22:21 +0800423 struct ccsr_ddr __iomem *ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR;
424 u32 tmp;
425
York Sun399e2bb2017-05-15 08:51:59 -0700426 /* Skip if running at lower exception level */
427 if (current_el() < 3)
428 return;
429
Shengzhou Liu074596c2016-04-07 16:22:21 +0800430 /* enable propagation of barrier transactions to DDRC from CCI400 */
431 out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER);
432
433 /* enable the re-ordering in DDRC */
434 tmp = ddr_in32(&ddr->eor);
435 tmp &= ~(DDR_EOR_RD_REOD_DIS | DDR_EOR_WD_REOD_DIS);
436 ddr_out32(&ddr->eor, tmp);
437#endif
438}
439
Hou Zhiqiangb392a6d2016-08-02 19:03:27 +0800440#ifdef CONFIG_SYS_FSL_ERRATUM_A010315
441void erratum_a010315(void)
442{
443 int i;
444
445 for (i = PCIE1; i <= PCIE4; i++)
446 if (!is_serdes_configured(i)) {
447 debug("PCIe%d: disabled all R/W permission!\n", i);
448 set_pcie_ns_access(i, 0);
449 }
450}
451#endif
452
Hou Zhiqiang0ea36712016-09-29 12:42:44 +0800453static void erratum_a010539(void)
454{
455#if defined(CONFIG_SYS_FSL_ERRATUM_A010539) && defined(CONFIG_QSPI_BOOT)
456 struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
457 u32 porsr1;
458
459 porsr1 = in_be32(&gur->porsr1);
460 porsr1 &= ~FSL_CHASSIS2_CCSR_PORSR1_RCW_MASK;
461 out_be32((void *)(CONFIG_SYS_DCSR_DCFG_ADDR + DCFG_DCSR_PORCR1),
462 porsr1);
463#endif
464}
465
Hou Zhiqiang031acdb2016-12-09 16:09:00 +0800466/* Get VDD in the unit mV from voltage ID */
467int get_core_volt_from_fuse(void)
468{
469 struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
470 int vdd;
471 u32 fusesr;
472 u8 vid;
473
474 fusesr = in_be32(&gur->dcfg_fusesr);
475 debug("%s: fusesr = 0x%x\n", __func__, fusesr);
476 vid = (fusesr >> FSL_CHASSIS2_DCFG_FUSESR_ALTVID_SHIFT) &
477 FSL_CHASSIS2_DCFG_FUSESR_ALTVID_MASK;
478 if ((vid == 0) || (vid == FSL_CHASSIS2_DCFG_FUSESR_ALTVID_MASK)) {
479 vid = (fusesr >> FSL_CHASSIS2_DCFG_FUSESR_VID_SHIFT) &
480 FSL_CHASSIS2_DCFG_FUSESR_VID_MASK;
481 }
482 debug("%s: VID = 0x%x\n", __func__, vid);
483 switch (vid) {
484 case 0x00: /* VID isn't supported */
485 vdd = -EINVAL;
486 debug("%s: The VID feature is not supported\n", __func__);
487 break;
488 case 0x08: /* 0.9V silicon */
489 vdd = 900;
490 break;
491 case 0x10: /* 1.0V silicon */
492 vdd = 1000;
493 break;
494 default: /* Other core voltage */
495 vdd = -EINVAL;
496 printf("%s: The VID(%x) isn't supported\n", __func__, vid);
497 break;
498 }
499 debug("%s: The required minimum volt of CORE is %dmV\n", __func__, vdd);
500
501 return vdd;
502}
503
504__weak int board_switch_core_volt(u32 vdd)
505{
506 return 0;
507}
508
509static int setup_core_volt(u32 vdd)
510{
511 return board_setup_core_volt(vdd);
512}
513
514#ifdef CONFIG_SYS_FSL_DDR
515static void ddr_enable_0v9_volt(bool en)
516{
517 struct ccsr_ddr __iomem *ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR;
518 u32 tmp;
519
520 tmp = ddr_in32(&ddr->ddr_cdr1);
521
522 if (en)
523 tmp |= DDR_CDR1_V0PT9_EN;
524 else
525 tmp &= ~DDR_CDR1_V0PT9_EN;
526
527 ddr_out32(&ddr->ddr_cdr1, tmp);
528}
529#endif
530
531int setup_chip_volt(void)
532{
533 int vdd;
534
535 vdd = get_core_volt_from_fuse();
536 /* Nothing to do for silicons doesn't support VID */
537 if (vdd < 0)
538 return vdd;
539
540 if (setup_core_volt(vdd))
541 printf("%s: Switch core VDD to %dmV failed\n", __func__, vdd);
542#ifdef CONFIG_SYS_HAS_SERDES
543 if (setup_serdes_volt(vdd))
544 printf("%s: Switch SVDD to %dmV failed\n", __func__, vdd);
545#endif
546
547#ifdef CONFIG_SYS_FSL_DDR
548 if (vdd == 900)
549 ddr_enable_0v9_volt(true);
550#endif
551
552 return 0;
553}
554
Mingkai Hu8281c582015-10-26 19:47:51 +0800555void fsl_lsch2_early_init_f(void)
556{
Ashish Kumar63b23162017-08-11 11:09:14 +0530557 struct ccsr_cci400 *cci = (struct ccsr_cci400 *)(CONFIG_SYS_IMMR +
558 CONFIG_SYS_CCI400_OFFSET);
Aneesh Bansal70f959c2015-12-08 13:54:27 +0530559 struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
Mingkai Hu8281c582015-10-26 19:47:51 +0800560
Hou Zhiqiang341238f2016-08-02 19:03:23 +0800561#ifdef CONFIG_LAYERSCAPE_NS_ACCESS
562 enable_layerscape_ns_access();
563#endif
564
Mingkai Hu8281c582015-10-26 19:47:51 +0800565#ifdef CONFIG_FSL_IFC
566 init_early_memctl_regs(); /* tighten IFC timing */
567#endif
568
Qianyu Gong258b8c92016-03-16 18:01:52 +0800569#if defined(CONFIG_FSL_QSPI) && !defined(CONFIG_QSPI_BOOT)
Gong Qianyu166ef1e2016-01-25 15:16:06 +0800570 out_be32(&scfg->qspi_cfg, SCFG_QSPI_CLKSEL);
571#endif
Aneesh Bansal70f959c2015-12-08 13:54:27 +0530572 /* Make SEC reads and writes snoopable */
573 setbits_be32(&scfg->snpcnfgcr, SCFG_SNPCNFGCR_SECRDSNP |
Tang Yuantian4de6ce12016-08-08 15:07:20 +0800574 SCFG_SNPCNFGCR_SECWRSNP |
575 SCFG_SNPCNFGCR_SATARDSNP |
576 SCFG_SNPCNFGCR_SATAWRSNP);
Aneesh Bansal70f959c2015-12-08 13:54:27 +0530577
Mingkai Hu8281c582015-10-26 19:47:51 +0800578 /*
579 * Enable snoop requests and DVM message requests for
580 * Slave insterface S4 (A53 core cluster)
581 */
York Sun399e2bb2017-05-15 08:51:59 -0700582 if (current_el() == 3) {
583 out_le32(&cci->slave[4].snoop_ctrl,
584 CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
585 }
Mingkai Hu0d6faf22015-12-07 16:58:54 +0800586
587 /* Erratum */
Shengzhou Liu074596c2016-04-07 16:22:21 +0800588 erratum_a008850_early(); /* part 1 of 2 */
Mingkai Hu0d6faf22015-12-07 16:58:54 +0800589 erratum_a009929();
Mingkai Hubbc8e052016-02-02 11:28:03 +0800590 erratum_a009660();
Hou Zhiqiang0ea36712016-09-29 12:42:44 +0800591 erratum_a010539();
Ran Wang2ab15532017-09-04 18:46:48 +0800592 erratum_a009008();
Ran Wang2a8a3532017-09-04 18:46:49 +0800593 erratum_a009798();
Ran Wang9d1cd912017-09-04 18:46:50 +0800594 erratum_a008997();
Ran Wang15d59b52017-09-04 18:46:51 +0800595 erratum_a009007();
Mingkai Hu8281c582015-10-26 19:47:51 +0800596}
Mingkai Hu9f3183d2015-10-26 19:47:50 +0800597#endif
Scott Woodb2d5ac52015-03-24 13:25:02 -0700598
Yuan Yaodd2ad2f2016-12-01 10:13:52 +0800599#ifdef CONFIG_QSPI_AHB_INIT
600/* Enable 4bytes address support and fast read */
601int qspi_ahb_init(void)
602{
603 u32 *qspi_lut, lut_key, *qspi_key;
604
605 qspi_key = (void *)SYS_FSL_QSPI_ADDR + 0x300;
606 qspi_lut = (void *)SYS_FSL_QSPI_ADDR + 0x310;
607
608 lut_key = in_be32(qspi_key);
609
610 if (lut_key == 0x5af05af0) {
611 /* That means the register is BE */
612 out_be32(qspi_key, 0x5af05af0);
613 /* Unlock the lut table */
614 out_be32(qspi_key + 1, 0x00000002);
615 out_be32(qspi_lut, 0x0820040c);
616 out_be32(qspi_lut + 1, 0x1c080c08);
617 out_be32(qspi_lut + 2, 0x00002400);
618 /* Lock the lut table */
619 out_be32(qspi_key, 0x5af05af0);
620 out_be32(qspi_key + 1, 0x00000001);
621 } else {
622 /* That means the register is LE */
623 out_le32(qspi_key, 0x5af05af0);
624 /* Unlock the lut table */
625 out_le32(qspi_key + 1, 0x00000002);
626 out_le32(qspi_lut, 0x0820040c);
627 out_le32(qspi_lut + 1, 0x1c080c08);
628 out_le32(qspi_lut + 2, 0x00002400);
629 /* Lock the lut table */
630 out_le32(qspi_key, 0x5af05af0);
631 out_le32(qspi_key + 1, 0x00000001);
632 }
633
634 return 0;
635}
636#endif
637
Mingkai Hu9f3183d2015-10-26 19:47:50 +0800638#ifdef CONFIG_BOARD_LATE_INIT
639int board_late_init(void)
Scott Woodb2d5ac52015-03-24 13:25:02 -0700640{
Tang Yuantian989c5f02015-12-09 15:32:18 +0800641#ifdef CONFIG_SCSI_AHCI_PLAT
642 sata_init();
643#endif
Aneesh Bansald0412882016-01-22 16:37:26 +0530644#ifdef CONFIG_CHAIN_OF_TRUST
645 fsl_setenv_chain_of_trust();
646#endif
Yuan Yaodd2ad2f2016-12-01 10:13:52 +0800647#ifdef CONFIG_QSPI_AHB_INIT
648 qspi_ahb_init();
649#endif
Tang Yuantian989c5f02015-12-09 15:32:18 +0800650
Mingkai Hu9f3183d2015-10-26 19:47:50 +0800651 return 0;
Scott Woodb2d5ac52015-03-24 13:25:02 -0700652}
653#endif