blob: af2d86bb9dd95220de839beaea231aa9c064cdd3 [file] [log] [blame]
Tom Rini10e47792018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Scott Woodf64c98c2015-03-20 19:28:12 -07002/*
Mingkai Hu0e58b512015-10-26 19:47:50 +08003 * Copyright 2014-2015 Freescale Semiconductor
Scott Woodf64c98c2015-03-20 19:28:12 -07004 */
5
6#include <common.h>
Ashish Kumar11234062017-08-11 11:09:14 +05307#include <fsl_immap.h>
Scott Woodf64c98c2015-03-20 19:28:12 -07008#include <fsl_ifc.h>
Hou Zhiqiang4b23ca82016-08-02 19:03:27 +08009#include <asm/arch/fsl_serdes.h>
Mingkai Hu0e58b512015-10-26 19:47:50 +080010#include <asm/arch/soc.h>
Scott Woodae1df322015-03-20 19:28:13 -070011#include <asm/io.h>
Scott Wood8e728cd2015-03-24 13:25:02 -070012#include <asm/global_data.h>
Prabhakar Kushwaha22cfe962015-11-05 12:00:14 +053013#include <asm/arch-fsl-layerscape/config.h>
Ran Wang4e7cdcf2018-08-10 15:00:00 +080014#include <asm/arch-fsl-layerscape/ns_access.h>
Laurentiu Tudor512d13e2018-08-09 15:19:46 +030015#include <asm/arch-fsl-layerscape/fsl_icid.h>
Hou Zhiqiang4b23ca82016-08-02 19:03:27 +080016#ifdef CONFIG_LAYERSCAPE_NS_ACCESS
Hou Zhiqiang5ac9a5c2016-08-02 19:03:23 +080017#include <fsl_csu.h>
Hou Zhiqiang4b23ca82016-08-02 19:03:27 +080018#endif
Prabhakar Kushwahad169ebe2016-06-03 18:41:31 +053019#ifdef CONFIG_SYS_FSL_DDR
Shengzhou Liuddf060b2016-04-07 16:22:21 +080020#include <fsl_ddr_sdram.h>
21#include <fsl_ddr.h>
Prabhakar Kushwahad169ebe2016-06-03 18:41:31 +053022#endif
Aneesh Bansal39d5b3b2016-01-22 16:37:26 +053023#ifdef CONFIG_CHAIN_OF_TRUST
24#include <fsl_validate.h>
25#endif
Ashish Kumarb25faa22017-08-31 16:12:53 +053026#include <fsl_immap.h>
Pankit Gargbdbf84f2018-11-05 18:01:52 +000027#ifdef CONFIG_TFABOOT
28#include <environment.h>
29DECLARE_GLOBAL_DATA_PTR;
30#endif
Scott Wood8e728cd2015-03-24 13:25:02 -070031
York Suncbe8e1c2016-04-04 11:41:26 -070032bool soc_has_dp_ddr(void)
33{
34 struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
35 u32 svr = gur_in32(&gur->svr);
36
Priyanka Jain4a6f1732016-11-17 12:29:55 +053037 /* LS2085A, LS2088A, LS2048A has DP_DDR */
38 if ((SVR_SOC_VER(svr) == SVR_LS2085A) ||
39 (SVR_SOC_VER(svr) == SVR_LS2088A) ||
40 (SVR_SOC_VER(svr) == SVR_LS2048A))
York Suncbe8e1c2016-04-04 11:41:26 -070041 return true;
42
43 return false;
44}
45
46bool soc_has_aiop(void)
47{
48 struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
49 u32 svr = gur_in32(&gur->svr);
50
51 /* LS2085A has AIOP */
Prabhakar Kushwahaac7f2422016-06-24 13:48:13 +053052 if (SVR_SOC_VER(svr) == SVR_LS2085A)
York Suncbe8e1c2016-04-04 11:41:26 -070053 return true;
54
55 return false;
56}
57
Ran Wangb358b7b2017-09-04 18:46:48 +080058static inline void set_usb_txvreftune(u32 __iomem *scfg, u32 offset)
59{
60 scfg_clrsetbits32(scfg + offset / 4,
61 0xF << 6,
62 SCFG_USB_TXVREFTUNE << 6);
63}
64
65static void erratum_a009008(void)
66{
67#ifdef CONFIG_SYS_FSL_ERRATUM_A009008
68 u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE;
Ran Wang9e8fabc2017-09-04 18:46:49 +080069
Ran Wang02dc77b2017-11-13 16:14:48 +080070#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A) || \
71 defined(CONFIG_ARCH_LS1012A)
Ran Wangb358b7b2017-09-04 18:46:48 +080072 set_usb_txvreftune(scfg, SCFG_USB3PRM1CR_USB1);
Ran Wang02dc77b2017-11-13 16:14:48 +080073#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
Ran Wangb358b7b2017-09-04 18:46:48 +080074 set_usb_txvreftune(scfg, SCFG_USB3PRM1CR_USB2);
75 set_usb_txvreftune(scfg, SCFG_USB3PRM1CR_USB3);
Ran Wang02dc77b2017-11-13 16:14:48 +080076#endif
Ran Wangb358b7b2017-09-04 18:46:48 +080077#elif defined(CONFIG_ARCH_LS2080A)
78 set_usb_txvreftune(scfg, SCFG_USB3PRM1CR);
79#endif
80#endif /* CONFIG_SYS_FSL_ERRATUM_A009008 */
81}
82
Ran Wang9e8fabc2017-09-04 18:46:49 +080083static inline void set_usb_sqrxtune(u32 __iomem *scfg, u32 offset)
84{
85 scfg_clrbits32(scfg + offset / 4,
86 SCFG_USB_SQRXTUNE_MASK << 23);
87}
88
89static void erratum_a009798(void)
90{
91#ifdef CONFIG_SYS_FSL_ERRATUM_A009798
92 u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE;
93
Ran Wang02dc77b2017-11-13 16:14:48 +080094#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A) || \
95 defined(CONFIG_ARCH_LS1012A)
Ran Wang9e8fabc2017-09-04 18:46:49 +080096 set_usb_sqrxtune(scfg, SCFG_USB3PRM1CR_USB1);
Ran Wang02dc77b2017-11-13 16:14:48 +080097#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
Ran Wang9e8fabc2017-09-04 18:46:49 +080098 set_usb_sqrxtune(scfg, SCFG_USB3PRM1CR_USB2);
99 set_usb_sqrxtune(scfg, SCFG_USB3PRM1CR_USB3);
Ran Wang02dc77b2017-11-13 16:14:48 +0800100#endif
Ran Wang9e8fabc2017-09-04 18:46:49 +0800101#elif defined(CONFIG_ARCH_LS2080A)
102 set_usb_sqrxtune(scfg, SCFG_USB3PRM1CR);
103#endif
104#endif /* CONFIG_SYS_FSL_ERRATUM_A009798 */
105}
106
Ran Wang02dc77b2017-11-13 16:14:48 +0800107#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A) || \
108 defined(CONFIG_ARCH_LS1012A)
Ran Wange64f7472017-09-04 18:46:50 +0800109static inline void set_usb_pcstxswingfull(u32 __iomem *scfg, u32 offset)
110{
111 scfg_clrsetbits32(scfg + offset / 4,
112 0x7F << 9,
113 SCFG_USB_PCSTXSWINGFULL << 9);
114}
115#endif
116
117static void erratum_a008997(void)
118{
119#ifdef CONFIG_SYS_FSL_ERRATUM_A008997
Ran Wang02dc77b2017-11-13 16:14:48 +0800120#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A) || \
121 defined(CONFIG_ARCH_LS1012A)
Ran Wange64f7472017-09-04 18:46:50 +0800122 u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE;
123
124 set_usb_pcstxswingfull(scfg, SCFG_USB3PRM2CR_USB1);
Ran Wang02dc77b2017-11-13 16:14:48 +0800125#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
Ran Wange64f7472017-09-04 18:46:50 +0800126 set_usb_pcstxswingfull(scfg, SCFG_USB3PRM2CR_USB2);
127 set_usb_pcstxswingfull(scfg, SCFG_USB3PRM2CR_USB3);
128#endif
Ran Wange118acb2019-05-14 17:34:56 +0800129#elif defined(CONFIG_ARCH_LS1028A)
130 clrsetbits_le32(DCSR_BASE + DCSR_USB_IOCR1,
131 0x7F << 11,
132 DCSR_USB_PCSTXSWINGFULL << 11);
Ran Wang02dc77b2017-11-13 16:14:48 +0800133#endif
Ran Wange64f7472017-09-04 18:46:50 +0800134#endif /* CONFIG_SYS_FSL_ERRATUM_A008997 */
135}
136
Ran Wang02dc77b2017-11-13 16:14:48 +0800137#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A) || \
138 defined(CONFIG_ARCH_LS1012A)
Ran Wang3ba69482017-09-04 18:46:51 +0800139
140#define PROGRAM_USB_PHY_RX_OVRD_IN_HI(phy) \
141 out_be16((phy) + SCFG_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_1); \
142 out_be16((phy) + SCFG_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_2); \
143 out_be16((phy) + SCFG_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_3); \
144 out_be16((phy) + SCFG_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_4)
145
Yinbo Zhu5c3767e2019-05-14 17:34:57 +0800146#elif defined(CONFIG_ARCH_LS2080A) || defined(CONFIG_ARCH_LS1088A) || \
147 defined(CONFIG_ARCH_LS1028A)
Ran Wang3ba69482017-09-04 18:46:51 +0800148
149#define PROGRAM_USB_PHY_RX_OVRD_IN_HI(phy) \
150 out_le16((phy) + DCSR_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_1); \
151 out_le16((phy) + DCSR_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_2); \
152 out_le16((phy) + DCSR_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_3); \
153 out_le16((phy) + DCSR_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_4)
154
155#endif
156
157static void erratum_a009007(void)
158{
Ran Wang02dc77b2017-11-13 16:14:48 +0800159#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A) || \
160 defined(CONFIG_ARCH_LS1012A)
Ran Wang3ba69482017-09-04 18:46:51 +0800161 void __iomem *usb_phy = (void __iomem *)SCFG_USB_PHY1;
162
163 PROGRAM_USB_PHY_RX_OVRD_IN_HI(usb_phy);
Ran Wang02dc77b2017-11-13 16:14:48 +0800164#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
Ran Wang3ba69482017-09-04 18:46:51 +0800165 usb_phy = (void __iomem *)SCFG_USB_PHY2;
166 PROGRAM_USB_PHY_RX_OVRD_IN_HI(usb_phy);
167
168 usb_phy = (void __iomem *)SCFG_USB_PHY3;
169 PROGRAM_USB_PHY_RX_OVRD_IN_HI(usb_phy);
Ran Wang02dc77b2017-11-13 16:14:48 +0800170#endif
Yinbo Zhu5c3767e2019-05-14 17:34:57 +0800171#elif defined(CONFIG_ARCH_LS2080A) || defined(CONFIG_ARCH_LS1088A) || \
172 defined(CONFIG_ARCH_LS1028A)
Ran Wang3ba69482017-09-04 18:46:51 +0800173 void __iomem *dcsr = (void __iomem *)DCSR_BASE;
174
175 PROGRAM_USB_PHY_RX_OVRD_IN_HI(dcsr + DCSR_USB_PHY1);
176 PROGRAM_USB_PHY_RX_OVRD_IN_HI(dcsr + DCSR_USB_PHY2);
177#endif /* CONFIG_SYS_FSL_ERRATUM_A009007 */
178}
179
Shengzhou Liua3117ee2016-11-11 18:11:05 +0800180#if defined(CONFIG_FSL_LSCH3)
Yao Yuanfae88052015-12-05 14:59:14 +0800181/*
182 * This erratum requires setting a value to eddrtqcr1 to
183 * optimal the DDR performance.
184 */
185static void erratum_a008336(void)
186{
Shengzhou Liua3117ee2016-11-11 18:11:05 +0800187#ifdef CONFIG_SYS_FSL_ERRATUM_A008336
Yao Yuanfae88052015-12-05 14:59:14 +0800188 u32 *eddrtqcr1;
189
Yao Yuanfae88052015-12-05 14:59:14 +0800190#ifdef CONFIG_SYS_FSL_DCSR_DDR_ADDR
191 eddrtqcr1 = (void *)CONFIG_SYS_FSL_DCSR_DDR_ADDR + 0x800;
Shengzhou Liu7beb0c42016-08-26 18:30:38 +0800192 if (fsl_ddr_get_version(0) == 0x50200)
193 out_le32(eddrtqcr1, 0x63b30002);
Yao Yuanfae88052015-12-05 14:59:14 +0800194#endif
195#ifdef CONFIG_SYS_FSL_DCSR_DDR2_ADDR
196 eddrtqcr1 = (void *)CONFIG_SYS_FSL_DCSR_DDR2_ADDR + 0x800;
Shengzhou Liu7beb0c42016-08-26 18:30:38 +0800197 if (fsl_ddr_get_version(0) == 0x50200)
198 out_le32(eddrtqcr1, 0x63b30002);
Yao Yuanfae88052015-12-05 14:59:14 +0800199#endif
200#endif
201}
202
203/*
204 * This erratum requires a register write before being Memory
205 * controller 3 being enabled.
206 */
207static void erratum_a008514(void)
208{
Shengzhou Liua3117ee2016-11-11 18:11:05 +0800209#ifdef CONFIG_SYS_FSL_ERRATUM_A008514
Yao Yuanfae88052015-12-05 14:59:14 +0800210 u32 *eddrtqcr1;
211
Yao Yuanfae88052015-12-05 14:59:14 +0800212#ifdef CONFIG_SYS_FSL_DCSR_DDR3_ADDR
213 eddrtqcr1 = (void *)CONFIG_SYS_FSL_DCSR_DDR3_ADDR + 0x800;
214 out_le32(eddrtqcr1, 0x63b20002);
215#endif
216#endif
217}
Prabhakar Kushwaha22cfe962015-11-05 12:00:14 +0530218#ifdef CONFIG_SYS_FSL_ERRATUM_A009635
219#define PLATFORM_CYCLE_ENV_VAR "a009635_interval_val"
220
221static unsigned long get_internval_val_mhz(void)
222{
Simon Glass64b723f2017-08-03 12:22:12 -0600223 char *interval = env_get(PLATFORM_CYCLE_ENV_VAR);
Prabhakar Kushwaha22cfe962015-11-05 12:00:14 +0530224 /*
225 * interval is the number of platform cycles(MHz) between
226 * wake up events generated by EPU.
227 */
228 ulong interval_mhz = get_bus_freq(0) / (1000 * 1000);
229
230 if (interval)
231 interval_mhz = simple_strtoul(interval, NULL, 10);
232
233 return interval_mhz;
234}
235
236void erratum_a009635(void)
237{
238 u32 val;
239 unsigned long interval_mhz = get_internval_val_mhz();
240
241 if (!interval_mhz)
242 return;
243
244 val = in_le32(DCSR_CGACRE5);
245 writel(val | 0x00000200, DCSR_CGACRE5);
246
247 val = in_le32(EPU_EPCMPR5);
248 writel(interval_mhz, EPU_EPCMPR5);
249 val = in_le32(EPU_EPCCR5);
250 writel(val | 0x82820000, EPU_EPCCR5);
251 val = in_le32(EPU_EPSMCR5);
252 writel(val | 0x002f0000, EPU_EPSMCR5);
253 val = in_le32(EPU_EPECR5);
254 writel(val | 0x20000000, EPU_EPECR5);
255 val = in_le32(EPU_EPGCR);
256 writel(val | 0x80000000, EPU_EPGCR);
257}
258#endif /* CONFIG_SYS_FSL_ERRATUM_A009635 */
259
Scott Wood8e728cd2015-03-24 13:25:02 -0700260static void erratum_rcw_src(void)
261{
Santan Kumar99136482017-05-05 15:42:28 +0530262#if defined(CONFIG_SPL) && defined(CONFIG_NAND_BOOT)
Scott Wood8e728cd2015-03-24 13:25:02 -0700263 u32 __iomem *dcfg_ccsr = (u32 __iomem *)DCFG_BASE;
264 u32 __iomem *dcfg_dcsr = (u32 __iomem *)DCFG_DCSR_BASE;
265 u32 val;
266
267 val = in_le32(dcfg_ccsr + DCFG_PORSR1 / 4);
268 val &= ~DCFG_PORSR1_RCW_SRC;
269 val |= DCFG_PORSR1_RCW_SRC_NOR;
270 out_le32(dcfg_dcsr + DCFG_DCSR_PORCR1 / 4, val);
271#endif
272}
273
York Sun0404a392015-03-23 10:41:35 -0700274#define I2C_DEBUG_REG 0x6
275#define I2C_GLITCH_EN 0x8
276/*
277 * This erratum requires setting glitch_en bit to enable
278 * digital glitch filter to improve clock stability.
279 */
Ashish kumar3b52a232017-02-23 16:03:57 +0530280#ifdef CONFIG_SYS_FSL_ERRATUM_A009203
York Sun0404a392015-03-23 10:41:35 -0700281static void erratum_a009203(void)
282{
York Sun0404a392015-03-23 10:41:35 -0700283#ifdef CONFIG_SYS_I2C
Sriram Dashafa125b2017-09-04 15:45:02 +0530284 u8 __iomem *ptr;
York Sun0404a392015-03-23 10:41:35 -0700285#ifdef I2C1_BASE_ADDR
286 ptr = (u8 __iomem *)(I2C1_BASE_ADDR + I2C_DEBUG_REG);
287
288 writeb(I2C_GLITCH_EN, ptr);
289#endif
290#ifdef I2C2_BASE_ADDR
291 ptr = (u8 __iomem *)(I2C2_BASE_ADDR + I2C_DEBUG_REG);
292
293 writeb(I2C_GLITCH_EN, ptr);
294#endif
295#ifdef I2C3_BASE_ADDR
296 ptr = (u8 __iomem *)(I2C3_BASE_ADDR + I2C_DEBUG_REG);
297
298 writeb(I2C_GLITCH_EN, ptr);
299#endif
300#ifdef I2C4_BASE_ADDR
301 ptr = (u8 __iomem *)(I2C4_BASE_ADDR + I2C_DEBUG_REG);
302
303 writeb(I2C_GLITCH_EN, ptr);
304#endif
305#endif
306}
Ashish kumar3b52a232017-02-23 16:03:57 +0530307#endif
Shengzhou Liua3117ee2016-11-11 18:11:05 +0800308
Saksham Jain5d8ffe12016-03-23 16:24:40 +0530309void bypass_smmu(void)
310{
311 u32 val;
312 val = (in_le32(SMMU_SCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
313 out_le32(SMMU_SCR0, val);
314 val = (in_le32(SMMU_NSCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
315 out_le32(SMMU_NSCR0, val);
316}
Scott Woodf64c98c2015-03-20 19:28:12 -0700317void fsl_lsch3_early_init_f(void)
318{
Scott Wood8e728cd2015-03-24 13:25:02 -0700319 erratum_rcw_src();
Sriram Dash36a4a342017-09-04 15:44:05 +0530320#ifdef CONFIG_FSL_IFC
Scott Woodf64c98c2015-03-20 19:28:12 -0700321 init_early_memctl_regs(); /* tighten IFC timing */
Sriram Dash36a4a342017-09-04 15:44:05 +0530322#endif
Ashish kumar3b52a232017-02-23 16:03:57 +0530323#ifdef CONFIG_SYS_FSL_ERRATUM_A009203
York Sun0404a392015-03-23 10:41:35 -0700324 erratum_a009203();
Ashish kumar3b52a232017-02-23 16:03:57 +0530325#endif
Yao Yuanfae88052015-12-05 14:59:14 +0800326 erratum_a008514();
327 erratum_a008336();
Ran Wangb358b7b2017-09-04 18:46:48 +0800328 erratum_a009008();
Ran Wang9e8fabc2017-09-04 18:46:49 +0800329 erratum_a009798();
Ran Wange64f7472017-09-04 18:46:50 +0800330 erratum_a008997();
Ran Wang3ba69482017-09-04 18:46:51 +0800331 erratum_a009007();
Saksham Jain5d8ffe12016-03-23 16:24:40 +0530332#ifdef CONFIG_CHAIN_OF_TRUST
333 /* In case of Secure Boot, the IBR configures the SMMU
334 * to allow only Secure transactions.
335 * SMMU must be reset in bypass mode.
336 * Set the ClientPD bit and Clear the USFCFG Bit
337 */
338 if (fsl_check_boot_mode_secure() == 1)
339 bypass_smmu();
340#endif
Scott Woodf64c98c2015-03-20 19:28:12 -0700341}
Mingkai Hue4e93ea2015-10-26 19:47:51 +0800342
Rajesh Bhagat814e0772018-01-17 16:13:00 +0530343/* Get VDD in the unit mV from voltage ID */
344int get_core_volt_from_fuse(void)
345{
346 struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
347 int vdd;
348 u32 fusesr;
349 u8 vid;
350
351 /* get the voltage ID from fuse status register */
352 fusesr = in_le32(&gur->dcfg_fusesr);
353 debug("%s: fusesr = 0x%x\n", __func__, fusesr);
354 vid = (fusesr >> FSL_CHASSIS3_DCFG_FUSESR_ALTVID_SHIFT) &
355 FSL_CHASSIS3_DCFG_FUSESR_ALTVID_MASK;
356 if ((vid == 0) || (vid == FSL_CHASSIS3_DCFG_FUSESR_ALTVID_MASK)) {
357 vid = (fusesr >> FSL_CHASSIS3_DCFG_FUSESR_VID_SHIFT) &
358 FSL_CHASSIS3_DCFG_FUSESR_VID_MASK;
359 }
360 debug("%s: VID = 0x%x\n", __func__, vid);
361 switch (vid) {
362 case 0x00: /* VID isn't supported */
363 vdd = -EINVAL;
364 debug("%s: The VID feature is not supported\n", __func__);
365 break;
366 case 0x08: /* 0.9V silicon */
367 vdd = 900;
368 break;
369 case 0x10: /* 1.0V silicon */
370 vdd = 1000;
371 break;
372 default: /* Other core voltage */
373 vdd = -EINVAL;
374 debug("%s: The VID(%x) isn't supported\n", __func__, vid);
375 break;
376 }
377 debug("%s: The required minimum volt of CORE is %dmV\n", __func__, vdd);
378
379 return vdd;
380}
381
Prabhakar Kushwaha1966d012016-06-03 18:41:27 +0530382#elif defined(CONFIG_FSL_LSCH2)
Tang Yuantian57894be2015-12-09 15:32:18 +0800383
Mingkai Hu8beb0752015-12-07 16:58:54 +0800384static void erratum_a009929(void)
385{
386#ifdef CONFIG_SYS_FSL_ERRATUM_A009929
387 struct ccsr_gur *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
388 u32 __iomem *dcsr_cop_ccp = (void *)CONFIG_SYS_DCSR_COP_CCP_ADDR;
389 u32 rstrqmr1 = gur_in32(&gur->rstrqmr1);
390
391 rstrqmr1 |= 0x00000400;
392 gur_out32(&gur->rstrqmr1, rstrqmr1);
393 writel(0x01000000, dcsr_cop_ccp);
394#endif
395}
396
Mingkai Hu172081c2016-02-02 11:28:03 +0800397/*
398 * This erratum requires setting a value to eddrtqcr1 to optimal
399 * the DDR performance. The eddrtqcr1 register is in SCFG space
400 * of LS1043A and the offset is 0x157_020c.
401 */
402#if defined(CONFIG_SYS_FSL_ERRATUM_A009660) \
403 && defined(CONFIG_SYS_FSL_ERRATUM_A008514)
404#error A009660 and A008514 can not be both enabled.
405#endif
406
407static void erratum_a009660(void)
408{
409#ifdef CONFIG_SYS_FSL_ERRATUM_A009660
410 u32 *eddrtqcr1 = (void *)CONFIG_SYS_FSL_SCFG_ADDR + 0x20c;
411 out_be32(eddrtqcr1, 0x63b20042);
412#endif
413}
414
Shengzhou Liuddf060b2016-04-07 16:22:21 +0800415static void erratum_a008850_early(void)
416{
417#ifdef CONFIG_SYS_FSL_ERRATUM_A008850
418 /* part 1 of 2 */
Ashish Kumar11234062017-08-11 11:09:14 +0530419 struct ccsr_cci400 __iomem *cci = (void *)(CONFIG_SYS_IMMR +
420 CONFIG_SYS_CCI400_OFFSET);
Shengzhou Liuddf060b2016-04-07 16:22:21 +0800421 struct ccsr_ddr __iomem *ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR;
422
York Sune6b871e2017-05-15 08:51:59 -0700423 /* Skip if running at lower exception level */
424 if (current_el() < 3)
425 return;
426
Shengzhou Liuddf060b2016-04-07 16:22:21 +0800427 /* disables propagation of barrier transactions to DDRC from CCI400 */
428 out_le32(&cci->ctrl_ord, CCI400_CTRLORD_TERM_BARRIER);
429
430 /* disable the re-ordering in DDRC */
431 ddr_out32(&ddr->eor, DDR_EOR_RD_REOD_DIS | DDR_EOR_WD_REOD_DIS);
432#endif
433}
434
435void erratum_a008850_post(void)
436{
437#ifdef CONFIG_SYS_FSL_ERRATUM_A008850
438 /* part 2 of 2 */
Ashish Kumar11234062017-08-11 11:09:14 +0530439 struct ccsr_cci400 __iomem *cci = (void *)(CONFIG_SYS_IMMR +
440 CONFIG_SYS_CCI400_OFFSET);
Shengzhou Liuddf060b2016-04-07 16:22:21 +0800441 struct ccsr_ddr __iomem *ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR;
442 u32 tmp;
443
York Sune6b871e2017-05-15 08:51:59 -0700444 /* Skip if running at lower exception level */
445 if (current_el() < 3)
446 return;
447
Shengzhou Liuddf060b2016-04-07 16:22:21 +0800448 /* enable propagation of barrier transactions to DDRC from CCI400 */
449 out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER);
450
451 /* enable the re-ordering in DDRC */
452 tmp = ddr_in32(&ddr->eor);
453 tmp &= ~(DDR_EOR_RD_REOD_DIS | DDR_EOR_WD_REOD_DIS);
454 ddr_out32(&ddr->eor, tmp);
455#endif
456}
Hou Zhiqiang4b23ca82016-08-02 19:03:27 +0800457
458#ifdef CONFIG_SYS_FSL_ERRATUM_A010315
459void erratum_a010315(void)
460{
461 int i;
462
463 for (i = PCIE1; i <= PCIE4; i++)
464 if (!is_serdes_configured(i)) {
465 debug("PCIe%d: disabled all R/W permission!\n", i);
466 set_pcie_ns_access(i, 0);
467 }
468}
469#endif
Shengzhou Liuddf060b2016-04-07 16:22:21 +0800470
Hou Zhiqiangc06b30a2016-09-29 12:42:44 +0800471static void erratum_a010539(void)
472{
473#if defined(CONFIG_SYS_FSL_ERRATUM_A010539) && defined(CONFIG_QSPI_BOOT)
474 struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
475 u32 porsr1;
476
477 porsr1 = in_be32(&gur->porsr1);
478 porsr1 &= ~FSL_CHASSIS2_CCSR_PORSR1_RCW_MASK;
479 out_be32((void *)(CONFIG_SYS_DCSR_DCFG_ADDR + DCFG_DCSR_PORCR1),
480 porsr1);
Hou Zhiqiang653793a2018-04-25 14:25:42 +0800481 out_be32((void *)(CONFIG_SYS_FSL_SCFG_ADDR + 0x1a8), 0xffffffff);
Hou Zhiqiangc06b30a2016-09-29 12:42:44 +0800482#endif
483}
484
Hou Zhiqiang4ad59992016-12-09 16:09:00 +0800485/* Get VDD in the unit mV from voltage ID */
486int get_core_volt_from_fuse(void)
487{
488 struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
489 int vdd;
490 u32 fusesr;
491 u8 vid;
492
493 fusesr = in_be32(&gur->dcfg_fusesr);
494 debug("%s: fusesr = 0x%x\n", __func__, fusesr);
495 vid = (fusesr >> FSL_CHASSIS2_DCFG_FUSESR_ALTVID_SHIFT) &
496 FSL_CHASSIS2_DCFG_FUSESR_ALTVID_MASK;
497 if ((vid == 0) || (vid == FSL_CHASSIS2_DCFG_FUSESR_ALTVID_MASK)) {
498 vid = (fusesr >> FSL_CHASSIS2_DCFG_FUSESR_VID_SHIFT) &
499 FSL_CHASSIS2_DCFG_FUSESR_VID_MASK;
500 }
501 debug("%s: VID = 0x%x\n", __func__, vid);
502 switch (vid) {
503 case 0x00: /* VID isn't supported */
504 vdd = -EINVAL;
505 debug("%s: The VID feature is not supported\n", __func__);
506 break;
507 case 0x08: /* 0.9V silicon */
508 vdd = 900;
509 break;
510 case 0x10: /* 1.0V silicon */
511 vdd = 1000;
512 break;
513 default: /* Other core voltage */
514 vdd = -EINVAL;
515 printf("%s: The VID(%x) isn't supported\n", __func__, vid);
516 break;
517 }
518 debug("%s: The required minimum volt of CORE is %dmV\n", __func__, vdd);
519
520 return vdd;
521}
522
523__weak int board_switch_core_volt(u32 vdd)
524{
525 return 0;
526}
527
528static int setup_core_volt(u32 vdd)
529{
530 return board_setup_core_volt(vdd);
531}
532
533#ifdef CONFIG_SYS_FSL_DDR
534static void ddr_enable_0v9_volt(bool en)
535{
536 struct ccsr_ddr __iomem *ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR;
537 u32 tmp;
538
539 tmp = ddr_in32(&ddr->ddr_cdr1);
540
541 if (en)
542 tmp |= DDR_CDR1_V0PT9_EN;
543 else
544 tmp &= ~DDR_CDR1_V0PT9_EN;
545
546 ddr_out32(&ddr->ddr_cdr1, tmp);
547}
548#endif
549
550int setup_chip_volt(void)
551{
552 int vdd;
553
554 vdd = get_core_volt_from_fuse();
555 /* Nothing to do for silicons doesn't support VID */
556 if (vdd < 0)
557 return vdd;
558
559 if (setup_core_volt(vdd))
560 printf("%s: Switch core VDD to %dmV failed\n", __func__, vdd);
561#ifdef CONFIG_SYS_HAS_SERDES
562 if (setup_serdes_volt(vdd))
563 printf("%s: Switch SVDD to %dmV failed\n", __func__, vdd);
564#endif
565
566#ifdef CONFIG_SYS_FSL_DDR
567 if (vdd == 900)
568 ddr_enable_0v9_volt(true);
569#endif
570
571 return 0;
572}
573
Calvin Johnson6d6ef012018-03-08 15:30:33 +0530574#ifdef CONFIG_FSL_PFE
575void init_pfe_scfg_dcfg_regs(void)
576{
577 struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
578 u32 ecccr2;
579
580 out_be32(&scfg->pfeasbcr,
581 in_be32(&scfg->pfeasbcr) | SCFG_PFEASBCR_AWCACHE0);
582 out_be32(&scfg->pfebsbcr,
583 in_be32(&scfg->pfebsbcr) | SCFG_PFEASBCR_AWCACHE0);
584
585 /* CCI-400 QoS settings for PFE */
586 out_be32(&scfg->wr_qos1, (unsigned int)(SCFG_WR_QOS1_PFE1_QOS
587 | SCFG_WR_QOS1_PFE2_QOS));
588 out_be32(&scfg->rd_qos1, (unsigned int)(SCFG_RD_QOS1_PFE1_QOS
589 | SCFG_RD_QOS1_PFE2_QOS));
590
591 ecccr2 = in_be32(CONFIG_SYS_DCSR_DCFG_ADDR + DCFG_DCSR_ECCCR2);
592 out_be32((void *)CONFIG_SYS_DCSR_DCFG_ADDR + DCFG_DCSR_ECCCR2,
593 ecccr2 | (unsigned int)DISABLE_PFE_ECC);
594}
595#endif
596
Mingkai Hue4e93ea2015-10-26 19:47:51 +0800597void fsl_lsch2_early_init_f(void)
598{
Ashish Kumar11234062017-08-11 11:09:14 +0530599 struct ccsr_cci400 *cci = (struct ccsr_cci400 *)(CONFIG_SYS_IMMR +
600 CONFIG_SYS_CCI400_OFFSET);
Aneesh Bansal13d984d2015-12-08 13:54:27 +0530601 struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
Mingkai Hue4e93ea2015-10-26 19:47:51 +0800602
Hou Zhiqiang5ac9a5c2016-08-02 19:03:23 +0800603#ifdef CONFIG_LAYERSCAPE_NS_ACCESS
604 enable_layerscape_ns_access();
605#endif
606
Mingkai Hue4e93ea2015-10-26 19:47:51 +0800607#ifdef CONFIG_FSL_IFC
608 init_early_memctl_regs(); /* tighten IFC timing */
609#endif
610
Qianyu Gong5ab2d0a2016-03-16 18:01:52 +0800611#if defined(CONFIG_FSL_QSPI) && !defined(CONFIG_QSPI_BOOT)
Gong Qianyu760df892016-01-25 15:16:06 +0800612 out_be32(&scfg->qspi_cfg, SCFG_QSPI_CLKSEL);
613#endif
Aneesh Bansal13d984d2015-12-08 13:54:27 +0530614 /* Make SEC reads and writes snoopable */
615 setbits_be32(&scfg->snpcnfgcr, SCFG_SNPCNFGCR_SECRDSNP |
Tang Yuantian2945ae02016-08-08 15:07:20 +0800616 SCFG_SNPCNFGCR_SECWRSNP |
617 SCFG_SNPCNFGCR_SATARDSNP |
618 SCFG_SNPCNFGCR_SATAWRSNP);
Aneesh Bansal13d984d2015-12-08 13:54:27 +0530619
Mingkai Hue4e93ea2015-10-26 19:47:51 +0800620 /*
621 * Enable snoop requests and DVM message requests for
622 * Slave insterface S4 (A53 core cluster)
623 */
York Sune6b871e2017-05-15 08:51:59 -0700624 if (current_el() == 3) {
625 out_le32(&cci->slave[4].snoop_ctrl,
626 CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
627 }
Mingkai Hu8beb0752015-12-07 16:58:54 +0800628
Ran Wang4e7cdcf2018-08-10 15:00:00 +0800629 /*
630 * Program Central Security Unit (CSU) to grant access
631 * permission for USB 2.0 controller
632 */
633#if defined(CONFIG_ARCH_LS1012A) && defined(CONFIG_USB_EHCI_FSL)
634 if (current_el() == 3)
635 set_devices_ns_access(CSU_CSLX_USB_2, CSU_ALL_RW);
636#endif
Mingkai Hu8beb0752015-12-07 16:58:54 +0800637 /* Erratum */
Shengzhou Liuddf060b2016-04-07 16:22:21 +0800638 erratum_a008850_early(); /* part 1 of 2 */
Mingkai Hu8beb0752015-12-07 16:58:54 +0800639 erratum_a009929();
Mingkai Hu172081c2016-02-02 11:28:03 +0800640 erratum_a009660();
Hou Zhiqiangc06b30a2016-09-29 12:42:44 +0800641 erratum_a010539();
Ran Wangb358b7b2017-09-04 18:46:48 +0800642 erratum_a009008();
Ran Wang9e8fabc2017-09-04 18:46:49 +0800643 erratum_a009798();
Ran Wange64f7472017-09-04 18:46:50 +0800644 erratum_a008997();
Ran Wang3ba69482017-09-04 18:46:51 +0800645 erratum_a009007();
Laurentiu Tudor512d13e2018-08-09 15:19:46 +0300646
Laurentiu Tudor22012d52018-08-27 17:33:59 +0300647#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
Laurentiu Tudor512d13e2018-08-09 15:19:46 +0300648 set_icids();
649#endif
Mingkai Hue4e93ea2015-10-26 19:47:51 +0800650}
Mingkai Hu0e58b512015-10-26 19:47:50 +0800651#endif
Scott Wood8e728cd2015-03-24 13:25:02 -0700652
Yuan Yao52ae4fd2016-12-01 10:13:52 +0800653#ifdef CONFIG_QSPI_AHB_INIT
654/* Enable 4bytes address support and fast read */
655int qspi_ahb_init(void)
656{
657 u32 *qspi_lut, lut_key, *qspi_key;
658
659 qspi_key = (void *)SYS_FSL_QSPI_ADDR + 0x300;
660 qspi_lut = (void *)SYS_FSL_QSPI_ADDR + 0x310;
661
662 lut_key = in_be32(qspi_key);
663
664 if (lut_key == 0x5af05af0) {
665 /* That means the register is BE */
666 out_be32(qspi_key, 0x5af05af0);
667 /* Unlock the lut table */
668 out_be32(qspi_key + 1, 0x00000002);
669 out_be32(qspi_lut, 0x0820040c);
670 out_be32(qspi_lut + 1, 0x1c080c08);
671 out_be32(qspi_lut + 2, 0x00002400);
672 /* Lock the lut table */
673 out_be32(qspi_key, 0x5af05af0);
674 out_be32(qspi_key + 1, 0x00000001);
675 } else {
676 /* That means the register is LE */
677 out_le32(qspi_key, 0x5af05af0);
678 /* Unlock the lut table */
679 out_le32(qspi_key + 1, 0x00000002);
680 out_le32(qspi_lut, 0x0820040c);
681 out_le32(qspi_lut + 1, 0x1c080c08);
682 out_le32(qspi_lut + 2, 0x00002400);
683 /* Lock the lut table */
684 out_le32(qspi_key, 0x5af05af0);
685 out_le32(qspi_key + 1, 0x00000001);
686 }
687
Pankit Gargbdbf84f2018-11-05 18:01:52 +0000688 return 0;
689}
690#endif
691
692#ifdef CONFIG_TFABOOT
Rajesh Bhagat5b73c902018-12-27 04:37:49 +0000693#define MAX_BOOTCMD_SIZE 512
Pankit Gargbdbf84f2018-11-05 18:01:52 +0000694
695int fsl_setenv_bootcmd(void)
696{
697 int ret;
698 enum boot_src src = get_boot_src();
699 char bootcmd_str[MAX_BOOTCMD_SIZE];
700
701 switch (src) {
702#ifdef IFC_NOR_BOOTCOMMAND
703 case BOOT_SOURCE_IFC_NOR:
704 sprintf(bootcmd_str, IFC_NOR_BOOTCOMMAND);
705 break;
706#endif
707#ifdef QSPI_NOR_BOOTCOMMAND
708 case BOOT_SOURCE_QSPI_NOR:
709 sprintf(bootcmd_str, QSPI_NOR_BOOTCOMMAND);
710 break;
711#endif
712#ifdef XSPI_NOR_BOOTCOMMAND
713 case BOOT_SOURCE_XSPI_NOR:
714 sprintf(bootcmd_str, XSPI_NOR_BOOTCOMMAND);
715 break;
716#endif
717#ifdef IFC_NAND_BOOTCOMMAND
718 case BOOT_SOURCE_IFC_NAND:
719 sprintf(bootcmd_str, IFC_NAND_BOOTCOMMAND);
720 break;
721#endif
722#ifdef QSPI_NAND_BOOTCOMMAND
723 case BOOT_SOURCE_QSPI_NAND:
724 sprintf(bootcmd_str, QSPI_NAND_BOOTCOMMAND);
725 break;
726#endif
727#ifdef XSPI_NAND_BOOTCOMMAND
728 case BOOT_SOURCE_XSPI_NAND:
729 sprintf(bootcmd_str, XSPI_NAND_BOOTCOMMAND);
730 break;
731#endif
732#ifdef SD_BOOTCOMMAND
733 case BOOT_SOURCE_SD_MMC:
734 sprintf(bootcmd_str, SD_BOOTCOMMAND);
735 break;
736#endif
737#ifdef SD2_BOOTCOMMAND
738 case BOOT_SOURCE_SD_MMC2:
739 sprintf(bootcmd_str, SD2_BOOTCOMMAND);
740 break;
741#endif
742 default:
743#ifdef QSPI_NOR_BOOTCOMMAND
744 sprintf(bootcmd_str, QSPI_NOR_BOOTCOMMAND);
745#endif
746 break;
747 }
748
749 ret = env_set("bootcmd", bootcmd_str);
750 if (ret) {
751 printf("Failed to set bootcmd: ret = %d\n", ret);
752 return ret;
753 }
Yuan Yao52ae4fd2016-12-01 10:13:52 +0800754 return 0;
755}
Pankit Garg82fcc462018-11-05 18:02:31 +0000756
757int fsl_setenv_mcinitcmd(void)
758{
759 int ret = 0;
760 enum boot_src src = get_boot_src();
761
762 switch (src) {
763#ifdef IFC_MC_INIT_CMD
764 case BOOT_SOURCE_IFC_NAND:
765 case BOOT_SOURCE_IFC_NOR:
766 ret = env_set("mcinitcmd", IFC_MC_INIT_CMD);
767 break;
768#endif
769#ifdef QSPI_MC_INIT_CMD
770 case BOOT_SOURCE_QSPI_NAND:
771 case BOOT_SOURCE_QSPI_NOR:
772 ret = env_set("mcinitcmd", QSPI_MC_INIT_CMD);
773 break;
774#endif
775#ifdef XSPI_MC_INIT_CMD
776 case BOOT_SOURCE_XSPI_NAND:
777 case BOOT_SOURCE_XSPI_NOR:
778 ret = env_set("mcinitcmd", XSPI_MC_INIT_CMD);
779 break;
780#endif
781#ifdef SD_MC_INIT_CMD
782 case BOOT_SOURCE_SD_MMC:
783 ret = env_set("mcinitcmd", SD_MC_INIT_CMD);
784 break;
785#endif
786#ifdef SD2_MC_INIT_CMD
787 case BOOT_SOURCE_SD_MMC2:
788 ret = env_set("mcinitcmd", SD2_MC_INIT_CMD);
789 break;
790#endif
791 default:
792#ifdef QSPI_MC_INIT_CMD
793 ret = env_set("mcinitcmd", QSPI_MC_INIT_CMD);
794#endif
795 break;
796 }
797
798 if (ret) {
799 printf("Failed to set mcinitcmd: ret = %d\n", ret);
800 return ret;
801 }
802 return 0;
803}
Yuan Yao52ae4fd2016-12-01 10:13:52 +0800804#endif
805
Mingkai Hu0e58b512015-10-26 19:47:50 +0800806#ifdef CONFIG_BOARD_LATE_INIT
807int board_late_init(void)
Scott Wood8e728cd2015-03-24 13:25:02 -0700808{
Aneesh Bansal39d5b3b2016-01-22 16:37:26 +0530809#ifdef CONFIG_CHAIN_OF_TRUST
810 fsl_setenv_chain_of_trust();
811#endif
Pankit Gargbdbf84f2018-11-05 18:01:52 +0000812#ifdef CONFIG_TFABOOT
813 /*
814 * check if gd->env_addr is default_environment; then setenv bootcmd
Pankit Garg82fcc462018-11-05 18:02:31 +0000815 * and mcinitcmd.
Pankit Gargbdbf84f2018-11-05 18:01:52 +0000816 */
Pankit Garg82fcc462018-11-05 18:02:31 +0000817 if (gd->env_addr + gd->reloc_off == (ulong)&default_environment[0]) {
Pankit Gargbdbf84f2018-11-05 18:01:52 +0000818 fsl_setenv_bootcmd();
Pankit Garg82fcc462018-11-05 18:02:31 +0000819 fsl_setenv_mcinitcmd();
820 }
Rajesh Bhagat5b73c902018-12-27 04:37:49 +0000821
822 /*
823 * If the boot mode is secure, default environment is not present then
824 * setenv command needs to be run by default
825 */
826#ifdef CONFIG_CHAIN_OF_TRUST
827 if ((fsl_check_boot_mode_secure() == 1)) {
828 fsl_setenv_bootcmd();
829 fsl_setenv_mcinitcmd();
830 }
831#endif
Pankit Gargbdbf84f2018-11-05 18:01:52 +0000832#endif
Yuan Yao52ae4fd2016-12-01 10:13:52 +0800833#ifdef CONFIG_QSPI_AHB_INIT
834 qspi_ahb_init();
835#endif
Tang Yuantian57894be2015-12-09 15:32:18 +0800836
Mingkai Hu0e58b512015-10-26 19:47:50 +0800837 return 0;
Scott Wood8e728cd2015-03-24 13:25:02 -0700838}
839#endif