blob: f2392f0ebf545511adad4ef0850ac3199ffcdf1f [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
Ran Wangef277072017-09-22 15:21:34 +0800146#elif defined(CONFIG_ARCH_LS2080A) || defined(CONFIG_ARCH_LS1088A)
Ran Wang3ba69482017-09-04 18:46:51 +0800147
148#define PROGRAM_USB_PHY_RX_OVRD_IN_HI(phy) \
149 out_le16((phy) + DCSR_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_1); \
150 out_le16((phy) + DCSR_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_2); \
151 out_le16((phy) + DCSR_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_3); \
152 out_le16((phy) + DCSR_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_4)
153
154#endif
155
156static void erratum_a009007(void)
157{
Ran Wang02dc77b2017-11-13 16:14:48 +0800158#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A) || \
159 defined(CONFIG_ARCH_LS1012A)
Ran Wang3ba69482017-09-04 18:46:51 +0800160 void __iomem *usb_phy = (void __iomem *)SCFG_USB_PHY1;
161
162 PROGRAM_USB_PHY_RX_OVRD_IN_HI(usb_phy);
Ran Wang02dc77b2017-11-13 16:14:48 +0800163#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
Ran Wang3ba69482017-09-04 18:46:51 +0800164 usb_phy = (void __iomem *)SCFG_USB_PHY2;
165 PROGRAM_USB_PHY_RX_OVRD_IN_HI(usb_phy);
166
167 usb_phy = (void __iomem *)SCFG_USB_PHY3;
168 PROGRAM_USB_PHY_RX_OVRD_IN_HI(usb_phy);
Ran Wang02dc77b2017-11-13 16:14:48 +0800169#endif
Ran Wangef277072017-09-22 15:21:34 +0800170#elif defined(CONFIG_ARCH_LS2080A) || defined(CONFIG_ARCH_LS1088A)
Ran Wang3ba69482017-09-04 18:46:51 +0800171 void __iomem *dcsr = (void __iomem *)DCSR_BASE;
172
173 PROGRAM_USB_PHY_RX_OVRD_IN_HI(dcsr + DCSR_USB_PHY1);
174 PROGRAM_USB_PHY_RX_OVRD_IN_HI(dcsr + DCSR_USB_PHY2);
175#endif /* CONFIG_SYS_FSL_ERRATUM_A009007 */
176}
177
Shengzhou Liua3117ee2016-11-11 18:11:05 +0800178#if defined(CONFIG_FSL_LSCH3)
Yao Yuanfae88052015-12-05 14:59:14 +0800179/*
180 * This erratum requires setting a value to eddrtqcr1 to
181 * optimal the DDR performance.
182 */
183static void erratum_a008336(void)
184{
Shengzhou Liua3117ee2016-11-11 18:11:05 +0800185#ifdef CONFIG_SYS_FSL_ERRATUM_A008336
Yao Yuanfae88052015-12-05 14:59:14 +0800186 u32 *eddrtqcr1;
187
Yao Yuanfae88052015-12-05 14:59:14 +0800188#ifdef CONFIG_SYS_FSL_DCSR_DDR_ADDR
189 eddrtqcr1 = (void *)CONFIG_SYS_FSL_DCSR_DDR_ADDR + 0x800;
Shengzhou Liu7beb0c42016-08-26 18:30:38 +0800190 if (fsl_ddr_get_version(0) == 0x50200)
191 out_le32(eddrtqcr1, 0x63b30002);
Yao Yuanfae88052015-12-05 14:59:14 +0800192#endif
193#ifdef CONFIG_SYS_FSL_DCSR_DDR2_ADDR
194 eddrtqcr1 = (void *)CONFIG_SYS_FSL_DCSR_DDR2_ADDR + 0x800;
Shengzhou Liu7beb0c42016-08-26 18:30:38 +0800195 if (fsl_ddr_get_version(0) == 0x50200)
196 out_le32(eddrtqcr1, 0x63b30002);
Yao Yuanfae88052015-12-05 14:59:14 +0800197#endif
198#endif
199}
200
201/*
202 * This erratum requires a register write before being Memory
203 * controller 3 being enabled.
204 */
205static void erratum_a008514(void)
206{
Shengzhou Liua3117ee2016-11-11 18:11:05 +0800207#ifdef CONFIG_SYS_FSL_ERRATUM_A008514
Yao Yuanfae88052015-12-05 14:59:14 +0800208 u32 *eddrtqcr1;
209
Yao Yuanfae88052015-12-05 14:59:14 +0800210#ifdef CONFIG_SYS_FSL_DCSR_DDR3_ADDR
211 eddrtqcr1 = (void *)CONFIG_SYS_FSL_DCSR_DDR3_ADDR + 0x800;
212 out_le32(eddrtqcr1, 0x63b20002);
213#endif
214#endif
215}
Prabhakar Kushwaha22cfe962015-11-05 12:00:14 +0530216#ifdef CONFIG_SYS_FSL_ERRATUM_A009635
217#define PLATFORM_CYCLE_ENV_VAR "a009635_interval_val"
218
219static unsigned long get_internval_val_mhz(void)
220{
Simon Glass64b723f2017-08-03 12:22:12 -0600221 char *interval = env_get(PLATFORM_CYCLE_ENV_VAR);
Prabhakar Kushwaha22cfe962015-11-05 12:00:14 +0530222 /*
223 * interval is the number of platform cycles(MHz) between
224 * wake up events generated by EPU.
225 */
226 ulong interval_mhz = get_bus_freq(0) / (1000 * 1000);
227
228 if (interval)
229 interval_mhz = simple_strtoul(interval, NULL, 10);
230
231 return interval_mhz;
232}
233
234void erratum_a009635(void)
235{
236 u32 val;
237 unsigned long interval_mhz = get_internval_val_mhz();
238
239 if (!interval_mhz)
240 return;
241
242 val = in_le32(DCSR_CGACRE5);
243 writel(val | 0x00000200, DCSR_CGACRE5);
244
245 val = in_le32(EPU_EPCMPR5);
246 writel(interval_mhz, EPU_EPCMPR5);
247 val = in_le32(EPU_EPCCR5);
248 writel(val | 0x82820000, EPU_EPCCR5);
249 val = in_le32(EPU_EPSMCR5);
250 writel(val | 0x002f0000, EPU_EPSMCR5);
251 val = in_le32(EPU_EPECR5);
252 writel(val | 0x20000000, EPU_EPECR5);
253 val = in_le32(EPU_EPGCR);
254 writel(val | 0x80000000, EPU_EPGCR);
255}
256#endif /* CONFIG_SYS_FSL_ERRATUM_A009635 */
257
Scott Wood8e728cd2015-03-24 13:25:02 -0700258static void erratum_rcw_src(void)
259{
Santan Kumar99136482017-05-05 15:42:28 +0530260#if defined(CONFIG_SPL) && defined(CONFIG_NAND_BOOT)
Scott Wood8e728cd2015-03-24 13:25:02 -0700261 u32 __iomem *dcfg_ccsr = (u32 __iomem *)DCFG_BASE;
262 u32 __iomem *dcfg_dcsr = (u32 __iomem *)DCFG_DCSR_BASE;
263 u32 val;
264
265 val = in_le32(dcfg_ccsr + DCFG_PORSR1 / 4);
266 val &= ~DCFG_PORSR1_RCW_SRC;
267 val |= DCFG_PORSR1_RCW_SRC_NOR;
268 out_le32(dcfg_dcsr + DCFG_DCSR_PORCR1 / 4, val);
269#endif
270}
271
York Sun0404a392015-03-23 10:41:35 -0700272#define I2C_DEBUG_REG 0x6
273#define I2C_GLITCH_EN 0x8
274/*
275 * This erratum requires setting glitch_en bit to enable
276 * digital glitch filter to improve clock stability.
277 */
Ashish kumar3b52a232017-02-23 16:03:57 +0530278#ifdef CONFIG_SYS_FSL_ERRATUM_A009203
York Sun0404a392015-03-23 10:41:35 -0700279static void erratum_a009203(void)
280{
York Sun0404a392015-03-23 10:41:35 -0700281#ifdef CONFIG_SYS_I2C
Sriram Dashafa125b2017-09-04 15:45:02 +0530282 u8 __iomem *ptr;
York Sun0404a392015-03-23 10:41:35 -0700283#ifdef I2C1_BASE_ADDR
284 ptr = (u8 __iomem *)(I2C1_BASE_ADDR + I2C_DEBUG_REG);
285
286 writeb(I2C_GLITCH_EN, ptr);
287#endif
288#ifdef I2C2_BASE_ADDR
289 ptr = (u8 __iomem *)(I2C2_BASE_ADDR + I2C_DEBUG_REG);
290
291 writeb(I2C_GLITCH_EN, ptr);
292#endif
293#ifdef I2C3_BASE_ADDR
294 ptr = (u8 __iomem *)(I2C3_BASE_ADDR + I2C_DEBUG_REG);
295
296 writeb(I2C_GLITCH_EN, ptr);
297#endif
298#ifdef I2C4_BASE_ADDR
299 ptr = (u8 __iomem *)(I2C4_BASE_ADDR + I2C_DEBUG_REG);
300
301 writeb(I2C_GLITCH_EN, ptr);
302#endif
303#endif
304}
Ashish kumar3b52a232017-02-23 16:03:57 +0530305#endif
Shengzhou Liua3117ee2016-11-11 18:11:05 +0800306
Saksham Jain5d8ffe12016-03-23 16:24:40 +0530307void bypass_smmu(void)
308{
309 u32 val;
310 val = (in_le32(SMMU_SCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
311 out_le32(SMMU_SCR0, val);
312 val = (in_le32(SMMU_NSCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
313 out_le32(SMMU_NSCR0, val);
314}
Scott Woodf64c98c2015-03-20 19:28:12 -0700315void fsl_lsch3_early_init_f(void)
316{
Scott Wood8e728cd2015-03-24 13:25:02 -0700317 erratum_rcw_src();
Sriram Dash36a4a342017-09-04 15:44:05 +0530318#ifdef CONFIG_FSL_IFC
Scott Woodf64c98c2015-03-20 19:28:12 -0700319 init_early_memctl_regs(); /* tighten IFC timing */
Sriram Dash36a4a342017-09-04 15:44:05 +0530320#endif
Ashish kumar3b52a232017-02-23 16:03:57 +0530321#ifdef CONFIG_SYS_FSL_ERRATUM_A009203
York Sun0404a392015-03-23 10:41:35 -0700322 erratum_a009203();
Ashish kumar3b52a232017-02-23 16:03:57 +0530323#endif
Yao Yuanfae88052015-12-05 14:59:14 +0800324 erratum_a008514();
325 erratum_a008336();
Ran Wangb358b7b2017-09-04 18:46:48 +0800326 erratum_a009008();
Ran Wang9e8fabc2017-09-04 18:46:49 +0800327 erratum_a009798();
Ran Wange64f7472017-09-04 18:46:50 +0800328 erratum_a008997();
Ran Wang3ba69482017-09-04 18:46:51 +0800329 erratum_a009007();
Saksham Jain5d8ffe12016-03-23 16:24:40 +0530330#ifdef CONFIG_CHAIN_OF_TRUST
331 /* In case of Secure Boot, the IBR configures the SMMU
332 * to allow only Secure transactions.
333 * SMMU must be reset in bypass mode.
334 * Set the ClientPD bit and Clear the USFCFG Bit
335 */
336 if (fsl_check_boot_mode_secure() == 1)
337 bypass_smmu();
338#endif
Scott Woodf64c98c2015-03-20 19:28:12 -0700339}
Mingkai Hue4e93ea2015-10-26 19:47:51 +0800340
Rajesh Bhagat814e0772018-01-17 16:13:00 +0530341/* Get VDD in the unit mV from voltage ID */
342int get_core_volt_from_fuse(void)
343{
344 struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
345 int vdd;
346 u32 fusesr;
347 u8 vid;
348
349 /* get the voltage ID from fuse status register */
350 fusesr = in_le32(&gur->dcfg_fusesr);
351 debug("%s: fusesr = 0x%x\n", __func__, fusesr);
352 vid = (fusesr >> FSL_CHASSIS3_DCFG_FUSESR_ALTVID_SHIFT) &
353 FSL_CHASSIS3_DCFG_FUSESR_ALTVID_MASK;
354 if ((vid == 0) || (vid == FSL_CHASSIS3_DCFG_FUSESR_ALTVID_MASK)) {
355 vid = (fusesr >> FSL_CHASSIS3_DCFG_FUSESR_VID_SHIFT) &
356 FSL_CHASSIS3_DCFG_FUSESR_VID_MASK;
357 }
358 debug("%s: VID = 0x%x\n", __func__, vid);
359 switch (vid) {
360 case 0x00: /* VID isn't supported */
361 vdd = -EINVAL;
362 debug("%s: The VID feature is not supported\n", __func__);
363 break;
364 case 0x08: /* 0.9V silicon */
365 vdd = 900;
366 break;
367 case 0x10: /* 1.0V silicon */
368 vdd = 1000;
369 break;
370 default: /* Other core voltage */
371 vdd = -EINVAL;
372 debug("%s: The VID(%x) isn't supported\n", __func__, vid);
373 break;
374 }
375 debug("%s: The required minimum volt of CORE is %dmV\n", __func__, vdd);
376
377 return vdd;
378}
379
Prabhakar Kushwaha1966d012016-06-03 18:41:27 +0530380#elif defined(CONFIG_FSL_LSCH2)
Tang Yuantian57894be2015-12-09 15:32:18 +0800381
Mingkai Hu8beb0752015-12-07 16:58:54 +0800382static void erratum_a009929(void)
383{
384#ifdef CONFIG_SYS_FSL_ERRATUM_A009929
385 struct ccsr_gur *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
386 u32 __iomem *dcsr_cop_ccp = (void *)CONFIG_SYS_DCSR_COP_CCP_ADDR;
387 u32 rstrqmr1 = gur_in32(&gur->rstrqmr1);
388
389 rstrqmr1 |= 0x00000400;
390 gur_out32(&gur->rstrqmr1, rstrqmr1);
391 writel(0x01000000, dcsr_cop_ccp);
392#endif
393}
394
Mingkai Hu172081c2016-02-02 11:28:03 +0800395/*
396 * This erratum requires setting a value to eddrtqcr1 to optimal
397 * the DDR performance. The eddrtqcr1 register is in SCFG space
398 * of LS1043A and the offset is 0x157_020c.
399 */
400#if defined(CONFIG_SYS_FSL_ERRATUM_A009660) \
401 && defined(CONFIG_SYS_FSL_ERRATUM_A008514)
402#error A009660 and A008514 can not be both enabled.
403#endif
404
405static void erratum_a009660(void)
406{
407#ifdef CONFIG_SYS_FSL_ERRATUM_A009660
408 u32 *eddrtqcr1 = (void *)CONFIG_SYS_FSL_SCFG_ADDR + 0x20c;
409 out_be32(eddrtqcr1, 0x63b20042);
410#endif
411}
412
Shengzhou Liuddf060b2016-04-07 16:22:21 +0800413static void erratum_a008850_early(void)
414{
415#ifdef CONFIG_SYS_FSL_ERRATUM_A008850
416 /* part 1 of 2 */
Ashish Kumar11234062017-08-11 11:09:14 +0530417 struct ccsr_cci400 __iomem *cci = (void *)(CONFIG_SYS_IMMR +
418 CONFIG_SYS_CCI400_OFFSET);
Shengzhou Liuddf060b2016-04-07 16:22:21 +0800419 struct ccsr_ddr __iomem *ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR;
420
York Sune6b871e2017-05-15 08:51:59 -0700421 /* Skip if running at lower exception level */
422 if (current_el() < 3)
423 return;
424
Shengzhou Liuddf060b2016-04-07 16:22:21 +0800425 /* disables propagation of barrier transactions to DDRC from CCI400 */
426 out_le32(&cci->ctrl_ord, CCI400_CTRLORD_TERM_BARRIER);
427
428 /* disable the re-ordering in DDRC */
429 ddr_out32(&ddr->eor, DDR_EOR_RD_REOD_DIS | DDR_EOR_WD_REOD_DIS);
430#endif
431}
432
433void erratum_a008850_post(void)
434{
435#ifdef CONFIG_SYS_FSL_ERRATUM_A008850
436 /* part 2 of 2 */
Ashish Kumar11234062017-08-11 11:09:14 +0530437 struct ccsr_cci400 __iomem *cci = (void *)(CONFIG_SYS_IMMR +
438 CONFIG_SYS_CCI400_OFFSET);
Shengzhou Liuddf060b2016-04-07 16:22:21 +0800439 struct ccsr_ddr __iomem *ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR;
440 u32 tmp;
441
York Sune6b871e2017-05-15 08:51:59 -0700442 /* Skip if running at lower exception level */
443 if (current_el() < 3)
444 return;
445
Shengzhou Liuddf060b2016-04-07 16:22:21 +0800446 /* enable propagation of barrier transactions to DDRC from CCI400 */
447 out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER);
448
449 /* enable the re-ordering in DDRC */
450 tmp = ddr_in32(&ddr->eor);
451 tmp &= ~(DDR_EOR_RD_REOD_DIS | DDR_EOR_WD_REOD_DIS);
452 ddr_out32(&ddr->eor, tmp);
453#endif
454}
Hou Zhiqiang4b23ca82016-08-02 19:03:27 +0800455
456#ifdef CONFIG_SYS_FSL_ERRATUM_A010315
457void erratum_a010315(void)
458{
459 int i;
460
461 for (i = PCIE1; i <= PCIE4; i++)
462 if (!is_serdes_configured(i)) {
463 debug("PCIe%d: disabled all R/W permission!\n", i);
464 set_pcie_ns_access(i, 0);
465 }
466}
467#endif
Shengzhou Liuddf060b2016-04-07 16:22:21 +0800468
Hou Zhiqiangc06b30a2016-09-29 12:42:44 +0800469static void erratum_a010539(void)
470{
471#if defined(CONFIG_SYS_FSL_ERRATUM_A010539) && defined(CONFIG_QSPI_BOOT)
472 struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
473 u32 porsr1;
474
475 porsr1 = in_be32(&gur->porsr1);
476 porsr1 &= ~FSL_CHASSIS2_CCSR_PORSR1_RCW_MASK;
477 out_be32((void *)(CONFIG_SYS_DCSR_DCFG_ADDR + DCFG_DCSR_PORCR1),
478 porsr1);
Hou Zhiqiang653793a2018-04-25 14:25:42 +0800479 out_be32((void *)(CONFIG_SYS_FSL_SCFG_ADDR + 0x1a8), 0xffffffff);
Hou Zhiqiangc06b30a2016-09-29 12:42:44 +0800480#endif
481}
482
Hou Zhiqiang4ad59992016-12-09 16:09:00 +0800483/* Get VDD in the unit mV from voltage ID */
484int get_core_volt_from_fuse(void)
485{
486 struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
487 int vdd;
488 u32 fusesr;
489 u8 vid;
490
491 fusesr = in_be32(&gur->dcfg_fusesr);
492 debug("%s: fusesr = 0x%x\n", __func__, fusesr);
493 vid = (fusesr >> FSL_CHASSIS2_DCFG_FUSESR_ALTVID_SHIFT) &
494 FSL_CHASSIS2_DCFG_FUSESR_ALTVID_MASK;
495 if ((vid == 0) || (vid == FSL_CHASSIS2_DCFG_FUSESR_ALTVID_MASK)) {
496 vid = (fusesr >> FSL_CHASSIS2_DCFG_FUSESR_VID_SHIFT) &
497 FSL_CHASSIS2_DCFG_FUSESR_VID_MASK;
498 }
499 debug("%s: VID = 0x%x\n", __func__, vid);
500 switch (vid) {
501 case 0x00: /* VID isn't supported */
502 vdd = -EINVAL;
503 debug("%s: The VID feature is not supported\n", __func__);
504 break;
505 case 0x08: /* 0.9V silicon */
506 vdd = 900;
507 break;
508 case 0x10: /* 1.0V silicon */
509 vdd = 1000;
510 break;
511 default: /* Other core voltage */
512 vdd = -EINVAL;
513 printf("%s: The VID(%x) isn't supported\n", __func__, vid);
514 break;
515 }
516 debug("%s: The required minimum volt of CORE is %dmV\n", __func__, vdd);
517
518 return vdd;
519}
520
521__weak int board_switch_core_volt(u32 vdd)
522{
523 return 0;
524}
525
526static int setup_core_volt(u32 vdd)
527{
528 return board_setup_core_volt(vdd);
529}
530
531#ifdef CONFIG_SYS_FSL_DDR
532static void ddr_enable_0v9_volt(bool en)
533{
534 struct ccsr_ddr __iomem *ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR;
535 u32 tmp;
536
537 tmp = ddr_in32(&ddr->ddr_cdr1);
538
539 if (en)
540 tmp |= DDR_CDR1_V0PT9_EN;
541 else
542 tmp &= ~DDR_CDR1_V0PT9_EN;
543
544 ddr_out32(&ddr->ddr_cdr1, tmp);
545}
546#endif
547
548int setup_chip_volt(void)
549{
550 int vdd;
551
552 vdd = get_core_volt_from_fuse();
553 /* Nothing to do for silicons doesn't support VID */
554 if (vdd < 0)
555 return vdd;
556
557 if (setup_core_volt(vdd))
558 printf("%s: Switch core VDD to %dmV failed\n", __func__, vdd);
559#ifdef CONFIG_SYS_HAS_SERDES
560 if (setup_serdes_volt(vdd))
561 printf("%s: Switch SVDD to %dmV failed\n", __func__, vdd);
562#endif
563
564#ifdef CONFIG_SYS_FSL_DDR
565 if (vdd == 900)
566 ddr_enable_0v9_volt(true);
567#endif
568
569 return 0;
570}
571
Calvin Johnson6d6ef012018-03-08 15:30:33 +0530572#ifdef CONFIG_FSL_PFE
573void init_pfe_scfg_dcfg_regs(void)
574{
575 struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
576 u32 ecccr2;
577
578 out_be32(&scfg->pfeasbcr,
579 in_be32(&scfg->pfeasbcr) | SCFG_PFEASBCR_AWCACHE0);
580 out_be32(&scfg->pfebsbcr,
581 in_be32(&scfg->pfebsbcr) | SCFG_PFEASBCR_AWCACHE0);
582
583 /* CCI-400 QoS settings for PFE */
584 out_be32(&scfg->wr_qos1, (unsigned int)(SCFG_WR_QOS1_PFE1_QOS
585 | SCFG_WR_QOS1_PFE2_QOS));
586 out_be32(&scfg->rd_qos1, (unsigned int)(SCFG_RD_QOS1_PFE1_QOS
587 | SCFG_RD_QOS1_PFE2_QOS));
588
589 ecccr2 = in_be32(CONFIG_SYS_DCSR_DCFG_ADDR + DCFG_DCSR_ECCCR2);
590 out_be32((void *)CONFIG_SYS_DCSR_DCFG_ADDR + DCFG_DCSR_ECCCR2,
591 ecccr2 | (unsigned int)DISABLE_PFE_ECC);
592}
593#endif
594
Mingkai Hue4e93ea2015-10-26 19:47:51 +0800595void fsl_lsch2_early_init_f(void)
596{
Ashish Kumar11234062017-08-11 11:09:14 +0530597 struct ccsr_cci400 *cci = (struct ccsr_cci400 *)(CONFIG_SYS_IMMR +
598 CONFIG_SYS_CCI400_OFFSET);
Aneesh Bansal13d984d2015-12-08 13:54:27 +0530599 struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
Mingkai Hue4e93ea2015-10-26 19:47:51 +0800600
Hou Zhiqiang5ac9a5c2016-08-02 19:03:23 +0800601#ifdef CONFIG_LAYERSCAPE_NS_ACCESS
602 enable_layerscape_ns_access();
603#endif
604
Mingkai Hue4e93ea2015-10-26 19:47:51 +0800605#ifdef CONFIG_FSL_IFC
606 init_early_memctl_regs(); /* tighten IFC timing */
607#endif
608
Qianyu Gong5ab2d0a2016-03-16 18:01:52 +0800609#if defined(CONFIG_FSL_QSPI) && !defined(CONFIG_QSPI_BOOT)
Gong Qianyu760df892016-01-25 15:16:06 +0800610 out_be32(&scfg->qspi_cfg, SCFG_QSPI_CLKSEL);
611#endif
Aneesh Bansal13d984d2015-12-08 13:54:27 +0530612 /* Make SEC reads and writes snoopable */
613 setbits_be32(&scfg->snpcnfgcr, SCFG_SNPCNFGCR_SECRDSNP |
Tang Yuantian2945ae02016-08-08 15:07:20 +0800614 SCFG_SNPCNFGCR_SECWRSNP |
615 SCFG_SNPCNFGCR_SATARDSNP |
616 SCFG_SNPCNFGCR_SATAWRSNP);
Aneesh Bansal13d984d2015-12-08 13:54:27 +0530617
Mingkai Hue4e93ea2015-10-26 19:47:51 +0800618 /*
619 * Enable snoop requests and DVM message requests for
620 * Slave insterface S4 (A53 core cluster)
621 */
York Sune6b871e2017-05-15 08:51:59 -0700622 if (current_el() == 3) {
623 out_le32(&cci->slave[4].snoop_ctrl,
624 CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
625 }
Mingkai Hu8beb0752015-12-07 16:58:54 +0800626
Ran Wang4e7cdcf2018-08-10 15:00:00 +0800627 /*
628 * Program Central Security Unit (CSU) to grant access
629 * permission for USB 2.0 controller
630 */
631#if defined(CONFIG_ARCH_LS1012A) && defined(CONFIG_USB_EHCI_FSL)
632 if (current_el() == 3)
633 set_devices_ns_access(CSU_CSLX_USB_2, CSU_ALL_RW);
634#endif
Mingkai Hu8beb0752015-12-07 16:58:54 +0800635 /* Erratum */
Shengzhou Liuddf060b2016-04-07 16:22:21 +0800636 erratum_a008850_early(); /* part 1 of 2 */
Mingkai Hu8beb0752015-12-07 16:58:54 +0800637 erratum_a009929();
Mingkai Hu172081c2016-02-02 11:28:03 +0800638 erratum_a009660();
Hou Zhiqiangc06b30a2016-09-29 12:42:44 +0800639 erratum_a010539();
Ran Wangb358b7b2017-09-04 18:46:48 +0800640 erratum_a009008();
Ran Wang9e8fabc2017-09-04 18:46:49 +0800641 erratum_a009798();
Ran Wange64f7472017-09-04 18:46:50 +0800642 erratum_a008997();
Ran Wang3ba69482017-09-04 18:46:51 +0800643 erratum_a009007();
Laurentiu Tudor512d13e2018-08-09 15:19:46 +0300644
Laurentiu Tudor22012d52018-08-27 17:33:59 +0300645#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
Laurentiu Tudor512d13e2018-08-09 15:19:46 +0300646 set_icids();
647#endif
Mingkai Hue4e93ea2015-10-26 19:47:51 +0800648}
Mingkai Hu0e58b512015-10-26 19:47:50 +0800649#endif
Scott Wood8e728cd2015-03-24 13:25:02 -0700650
Yuan Yao52ae4fd2016-12-01 10:13:52 +0800651#ifdef CONFIG_QSPI_AHB_INIT
652/* Enable 4bytes address support and fast read */
653int qspi_ahb_init(void)
654{
655 u32 *qspi_lut, lut_key, *qspi_key;
656
657 qspi_key = (void *)SYS_FSL_QSPI_ADDR + 0x300;
658 qspi_lut = (void *)SYS_FSL_QSPI_ADDR + 0x310;
659
660 lut_key = in_be32(qspi_key);
661
662 if (lut_key == 0x5af05af0) {
663 /* That means the register is BE */
664 out_be32(qspi_key, 0x5af05af0);
665 /* Unlock the lut table */
666 out_be32(qspi_key + 1, 0x00000002);
667 out_be32(qspi_lut, 0x0820040c);
668 out_be32(qspi_lut + 1, 0x1c080c08);
669 out_be32(qspi_lut + 2, 0x00002400);
670 /* Lock the lut table */
671 out_be32(qspi_key, 0x5af05af0);
672 out_be32(qspi_key + 1, 0x00000001);
673 } else {
674 /* That means the register is LE */
675 out_le32(qspi_key, 0x5af05af0);
676 /* Unlock the lut table */
677 out_le32(qspi_key + 1, 0x00000002);
678 out_le32(qspi_lut, 0x0820040c);
679 out_le32(qspi_lut + 1, 0x1c080c08);
680 out_le32(qspi_lut + 2, 0x00002400);
681 /* Lock the lut table */
682 out_le32(qspi_key, 0x5af05af0);
683 out_le32(qspi_key + 1, 0x00000001);
684 }
685
Pankit Gargbdbf84f2018-11-05 18:01:52 +0000686 return 0;
687}
688#endif
689
690#ifdef CONFIG_TFABOOT
Rajesh Bhagat5b73c902018-12-27 04:37:49 +0000691#define MAX_BOOTCMD_SIZE 512
Pankit Gargbdbf84f2018-11-05 18:01:52 +0000692
693int fsl_setenv_bootcmd(void)
694{
695 int ret;
696 enum boot_src src = get_boot_src();
697 char bootcmd_str[MAX_BOOTCMD_SIZE];
698
699 switch (src) {
700#ifdef IFC_NOR_BOOTCOMMAND
701 case BOOT_SOURCE_IFC_NOR:
702 sprintf(bootcmd_str, IFC_NOR_BOOTCOMMAND);
703 break;
704#endif
705#ifdef QSPI_NOR_BOOTCOMMAND
706 case BOOT_SOURCE_QSPI_NOR:
707 sprintf(bootcmd_str, QSPI_NOR_BOOTCOMMAND);
708 break;
709#endif
710#ifdef XSPI_NOR_BOOTCOMMAND
711 case BOOT_SOURCE_XSPI_NOR:
712 sprintf(bootcmd_str, XSPI_NOR_BOOTCOMMAND);
713 break;
714#endif
715#ifdef IFC_NAND_BOOTCOMMAND
716 case BOOT_SOURCE_IFC_NAND:
717 sprintf(bootcmd_str, IFC_NAND_BOOTCOMMAND);
718 break;
719#endif
720#ifdef QSPI_NAND_BOOTCOMMAND
721 case BOOT_SOURCE_QSPI_NAND:
722 sprintf(bootcmd_str, QSPI_NAND_BOOTCOMMAND);
723 break;
724#endif
725#ifdef XSPI_NAND_BOOTCOMMAND
726 case BOOT_SOURCE_XSPI_NAND:
727 sprintf(bootcmd_str, XSPI_NAND_BOOTCOMMAND);
728 break;
729#endif
730#ifdef SD_BOOTCOMMAND
731 case BOOT_SOURCE_SD_MMC:
732 sprintf(bootcmd_str, SD_BOOTCOMMAND);
733 break;
734#endif
735#ifdef SD2_BOOTCOMMAND
736 case BOOT_SOURCE_SD_MMC2:
737 sprintf(bootcmd_str, SD2_BOOTCOMMAND);
738 break;
739#endif
740 default:
741#ifdef QSPI_NOR_BOOTCOMMAND
742 sprintf(bootcmd_str, QSPI_NOR_BOOTCOMMAND);
743#endif
744 break;
745 }
746
747 ret = env_set("bootcmd", bootcmd_str);
748 if (ret) {
749 printf("Failed to set bootcmd: ret = %d\n", ret);
750 return ret;
751 }
Yuan Yao52ae4fd2016-12-01 10:13:52 +0800752 return 0;
753}
Pankit Garg82fcc462018-11-05 18:02:31 +0000754
755int fsl_setenv_mcinitcmd(void)
756{
757 int ret = 0;
758 enum boot_src src = get_boot_src();
759
760 switch (src) {
761#ifdef IFC_MC_INIT_CMD
762 case BOOT_SOURCE_IFC_NAND:
763 case BOOT_SOURCE_IFC_NOR:
764 ret = env_set("mcinitcmd", IFC_MC_INIT_CMD);
765 break;
766#endif
767#ifdef QSPI_MC_INIT_CMD
768 case BOOT_SOURCE_QSPI_NAND:
769 case BOOT_SOURCE_QSPI_NOR:
770 ret = env_set("mcinitcmd", QSPI_MC_INIT_CMD);
771 break;
772#endif
773#ifdef XSPI_MC_INIT_CMD
774 case BOOT_SOURCE_XSPI_NAND:
775 case BOOT_SOURCE_XSPI_NOR:
776 ret = env_set("mcinitcmd", XSPI_MC_INIT_CMD);
777 break;
778#endif
779#ifdef SD_MC_INIT_CMD
780 case BOOT_SOURCE_SD_MMC:
781 ret = env_set("mcinitcmd", SD_MC_INIT_CMD);
782 break;
783#endif
784#ifdef SD2_MC_INIT_CMD
785 case BOOT_SOURCE_SD_MMC2:
786 ret = env_set("mcinitcmd", SD2_MC_INIT_CMD);
787 break;
788#endif
789 default:
790#ifdef QSPI_MC_INIT_CMD
791 ret = env_set("mcinitcmd", QSPI_MC_INIT_CMD);
792#endif
793 break;
794 }
795
796 if (ret) {
797 printf("Failed to set mcinitcmd: ret = %d\n", ret);
798 return ret;
799 }
800 return 0;
801}
Yuan Yao52ae4fd2016-12-01 10:13:52 +0800802#endif
803
Mingkai Hu0e58b512015-10-26 19:47:50 +0800804#ifdef CONFIG_BOARD_LATE_INIT
805int board_late_init(void)
Scott Wood8e728cd2015-03-24 13:25:02 -0700806{
Aneesh Bansal39d5b3b2016-01-22 16:37:26 +0530807#ifdef CONFIG_CHAIN_OF_TRUST
808 fsl_setenv_chain_of_trust();
809#endif
Pankit Gargbdbf84f2018-11-05 18:01:52 +0000810#ifdef CONFIG_TFABOOT
811 /*
812 * check if gd->env_addr is default_environment; then setenv bootcmd
Pankit Garg82fcc462018-11-05 18:02:31 +0000813 * and mcinitcmd.
Pankit Gargbdbf84f2018-11-05 18:01:52 +0000814 */
Pankit Garg82fcc462018-11-05 18:02:31 +0000815 if (gd->env_addr + gd->reloc_off == (ulong)&default_environment[0]) {
Pankit Gargbdbf84f2018-11-05 18:01:52 +0000816 fsl_setenv_bootcmd();
Pankit Garg82fcc462018-11-05 18:02:31 +0000817 fsl_setenv_mcinitcmd();
818 }
Rajesh Bhagat5b73c902018-12-27 04:37:49 +0000819
820 /*
821 * If the boot mode is secure, default environment is not present then
822 * setenv command needs to be run by default
823 */
824#ifdef CONFIG_CHAIN_OF_TRUST
825 if ((fsl_check_boot_mode_secure() == 1)) {
826 fsl_setenv_bootcmd();
827 fsl_setenv_mcinitcmd();
828 }
829#endif
Pankit Gargbdbf84f2018-11-05 18:01:52 +0000830#endif
Yuan Yao52ae4fd2016-12-01 10:13:52 +0800831#ifdef CONFIG_QSPI_AHB_INIT
832 qspi_ahb_init();
833#endif
Tang Yuantian57894be2015-12-09 15:32:18 +0800834
Mingkai Hu0e58b512015-10-26 19:47:50 +0800835 return 0;
Scott Wood8e728cd2015-03-24 13:25:02 -0700836}
837#endif