[U-Boot] [PATCH 1/2] arm: ls102xa: Add silicon version detection for QDS and TWR boards
For LS102xA, some workarounds are only used in VER1.0, so silicon version detection are added for QDS and TWR boards.
Signed-off-by: Alison Wang alison.wang@freescale.com --- arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h | 3 + board/freescale/ls1021aqds/ls1021aqds.c | 69 ++++++++++++++++------- board/freescale/ls1021atwr/ls1021atwr.c | 19 +++++-- 3 files changed, 64 insertions(+), 27 deletions(-)
diff --git a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h index f70d568..4b1cd3b 100644 --- a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h +++ b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h @@ -17,6 +17,9 @@ #define SOC_VER_LS1021 0x11 #define SOC_VER_LS1022 0x12
+#define SOC_VER_1_0 0x1 +#define SOC_VER_2_0 0x2 + #define CCSR_BRR_OFFSET 0xe4 #define CCSR_SCRATCHRW1_OFFSET 0x200
diff --git a/board/freescale/ls1021aqds/ls1021aqds.c b/board/freescale/ls1021aqds/ls1021aqds.c index 20eade4..b6bba6c 100644 --- a/board/freescale/ls1021aqds/ls1021aqds.c +++ b/board/freescale/ls1021aqds/ls1021aqds.c @@ -181,6 +181,11 @@ int board_early_init_f(void) { struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR; struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR; + struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); + unsigned int svr, major; + + svr = in_be32(&gur->svr); + major = SVR_MAJ(svr);
#ifdef CONFIG_TSEC_ENET out_be32(&scfg->etsecdmamcr, SCFG_ETSECDMAMCR_LE_BD_FR); @@ -205,19 +210,21 @@ int board_early_init_f(void) out_le32(&cci->slave[4].snoop_ctrl, CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
- /* - * Set CCI-400 Slave interface S1, S2 Shareable Override Register - * All transactions are treated as non-shareable - */ - out_le32(&cci->slave[1].sha_ord, CCI400_SHAORD_NON_SHAREABLE); - out_le32(&cci->slave[2].sha_ord, CCI400_SHAORD_NON_SHAREABLE); - - /* Workaround for the issue that DDR could not respond to - * barrier transaction which is generated by executing DSB/ISB - * instruction. Set CCI-400 control override register to - * terminate the barrier transaction. After DDR is initialized, - * allow barrier transaction to DDR again */ - out_le32(&cci->ctrl_ord, CCI400_CTRLORD_TERM_BARRIER); + if (major == SOC_VER_1_0) { + /* + * Set CCI-400 Slave interface S1, S2 Shareable Override + * Register All transactions are treated as non-shareable + */ + out_le32(&cci->slave[1].sha_ord, CCI400_SHAORD_NON_SHAREABLE); + out_le32(&cci->slave[2].sha_ord, CCI400_SHAORD_NON_SHAREABLE); + + /* Workaround for the issue that DDR could not respond to + * barrier transaction which is generated by executing DSB/ISB + * instruction. Set CCI-400 control override register to + * terminate the barrier transaction. After DDR is initialized, + * allow barrier transaction to DDR again */ + out_le32(&cci->ctrl_ord, CCI400_CTRLORD_TERM_BARRIER); + }
#if defined(CONFIG_DEEP_SLEEP) if (is_warm_boot()) @@ -231,9 +238,10 @@ int board_early_init_f(void) void board_init_f(ulong dummy) { struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR; + struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); + unsigned int svr, major;
#ifdef CONFIG_NAND_BOOT - struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR; u32 porsr1, pinctl;
/* @@ -267,7 +275,12 @@ void board_init_f(ulong dummy) #ifdef CONFIG_SPL_I2C_SUPPORT i2c_init_all(); #endif - out_le32(&cci->ctrl_ord, CCI400_CTRLORD_TERM_BARRIER); + + svr = in_be32(&gur->svr); + major = SVR_MAJ(svr); + + if (major == SOC_VER_1_0) + out_le32(&cci->ctrl_ord, CCI400_CTRLORD_TERM_BARRIER);
dram_init();
@@ -529,10 +542,17 @@ struct smmu_stream_id dev_stream_id[] = { int board_init(void) { struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR; + struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); + unsigned int svr, major; + + svr = in_be32(&gur->svr); + major = SVR_MAJ(svr);
- /* Set CCI-400 control override register to - * enable barrier transaction */ - out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER); + if (major == SOC_VER_1_0) { + /* Set CCI-400 control override register to + * enable barrier transaction */ + out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER); + }
select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
@@ -559,10 +579,17 @@ int board_init(void) void board_sleep_prepare(void) { struct ccsr_cci400 __iomem *cci = (void *)CONFIG_SYS_CCI400_ADDR; + unsigned int svr, major; + + svr = in_be32(&gur->svr); + major = SVR_MAJ(svr); + + if (major == SOC_VER_1_0) { + /* Set CCI-400 control override register to + * enable barrier transaction */ + out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER); + }
- /* Set CCI-400 control override register to - * enable barrier transaction */ - out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER);
#ifdef CONFIG_LS102XA_NS_ACCESS enable_devices_ns_access(ns_dev, ARRAY_SIZE(ns_dev)); diff --git a/board/freescale/ls1021atwr/ls1021atwr.c b/board/freescale/ls1021atwr/ls1021atwr.c index bc8b006..bd6068f 100644 --- a/board/freescale/ls1021atwr/ls1021atwr.c +++ b/board/freescale/ls1021atwr/ls1021atwr.c @@ -264,6 +264,11 @@ int board_early_init_f(void) { struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR; struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR; + struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); + unsigned int svr, major; + + svr = in_be32(&gur->svr); + major = SVR_MAJ(svr);
#ifdef CONFIG_TSEC_ENET out_be32(&scfg->etsecdmamcr, SCFG_ETSECDMAMCR_LE_BD_FR); @@ -289,12 +294,14 @@ int board_early_init_f(void) out_le32(&cci->slave[4].snoop_ctrl, CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
- /* - * Set CCI-400 Slave interface S1, S2 Shareable Override Register - * All transactions are treated as non-shareable - */ - out_le32(&cci->slave[1].sha_ord, CCI400_SHAORD_NON_SHAREABLE); - out_le32(&cci->slave[2].sha_ord, CCI400_SHAORD_NON_SHAREABLE); + if (major == SOC_VER_1_0) { + /* + * Set CCI-400 Slave interface S1, S2 Shareable Override + * Register All transactions are treated as non-shareable + */ + out_le32(&cci->slave[1].sha_ord, CCI400_SHAORD_NON_SHAREABLE); + out_le32(&cci->slave[2].sha_ord, CCI400_SHAORD_NON_SHAREABLE); + }
return 0; }
On silicon VER1.0, there is an interleaving issue on CCI400 slave interface S2. The workaround is to enable regulation of outstanding read transactions for slave interface S2.
Signed-off-by: Alison Wang alison.wang@freescale.com --- arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h | 2 ++ board/freescale/ls1021aqds/ls1021aqds.c | 7 +++++++ board/freescale/ls1021atwr/ls1021atwr.c | 7 +++++++ 3 files changed, 16 insertions(+)
diff --git a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h index 4b1cd3b..1a61d4a 100644 --- a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h +++ b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h @@ -463,6 +463,8 @@ struct ccsr_ddr { #define CCI400_SHAORD_NON_SHAREABLE 0x00000002 #define CCI400_DVM_MESSAGE_REQ_EN 0x00000002 #define CCI400_SNOOP_REQ_EN 0x00000001 +#define CCI400_REGULATION_READ_EN 0x00000008 +#define CCI400_INT_MAX_OUT_TRANS 0x01000000
/* CCI-400 registers */ struct ccsr_cci400 { diff --git a/board/freescale/ls1021aqds/ls1021aqds.c b/board/freescale/ls1021aqds/ls1021aqds.c index b6bba6c..93df046 100644 --- a/board/freescale/ls1021aqds/ls1021aqds.c +++ b/board/freescale/ls1021aqds/ls1021aqds.c @@ -217,6 +217,13 @@ int board_early_init_f(void) */ out_le32(&cci->slave[1].sha_ord, CCI400_SHAORD_NON_SHAREABLE); out_le32(&cci->slave[2].sha_ord, CCI400_SHAORD_NON_SHAREABLE); + /* + * To fix interleaving issue on VER1.0, regulation of + * outstanding read transactions for slave interface S2 + * is enabled + */ + out_le32(&cci->slave[2].qos_ctrl, CCI400_REGULATION_READ_EN); + out_le32(&cci->slave[2].max_ot, CCI400_INT_MAX_OUT_TRANS);
/* Workaround for the issue that DDR could not respond to * barrier transaction which is generated by executing DSB/ISB diff --git a/board/freescale/ls1021atwr/ls1021atwr.c b/board/freescale/ls1021atwr/ls1021atwr.c index bd6068f..9101bd6 100644 --- a/board/freescale/ls1021atwr/ls1021atwr.c +++ b/board/freescale/ls1021atwr/ls1021atwr.c @@ -301,6 +301,13 @@ int board_early_init_f(void) */ out_le32(&cci->slave[1].sha_ord, CCI400_SHAORD_NON_SHAREABLE); out_le32(&cci->slave[2].sha_ord, CCI400_SHAORD_NON_SHAREABLE); + /* + * To fix interleaving issue on VER1.0, regulation of + * outstanding read transactions for slave interface S2 + * is enabled + */ + out_le32(&cci->slave[2].qos_ctrl, CCI400_REGULATION_READ_EN); + out_le32(&cci->slave[2].max_ot, CCI400_INT_MAX_OUT_TRANS); }
return 0;
participants (1)
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Alison Wang