[U-Boot] [PATCH 1/5] arm: ls1021a: merge SoC specific code in a separate file

Yuan Yao
2015-10-21T10:14:53Z

Create a soc.c file to put the code for soc special settings.

Signed-off-by: Yuan Yao <yao.yuan@freescale.com>
---
arch/arm/cpu/armv7/ls102xa/Makefile | 1 +
arch/arm/cpu/armv7/ls102xa/soc.c | 66 +++++++++++++++++++++++++
arch/arm/include/asm/arch-ls102xa/ls102xa_soc.h | 12 +++++
board/freescale/ls1021aqds/ls1021aqds.c | 49 +-----------------
board/freescale/ls1021atwr/ls1021atwr.c | 42 +---------------
5 files changed, 83 insertions(+), 87 deletions(-)
create mode 100644 arch/arm/cpu/armv7/ls102xa/soc.c
create mode 100644 arch/arm/include/asm/arch-ls102xa/ls102xa_soc.h

diff --git a/arch/arm/cpu/armv7/ls102xa/Makefile b/arch/arm/cpu/armv7/ls102xa/Makefile
index 2d55782..24bbfba 100644
--- a/arch/arm/cpu/armv7/ls102xa/Makefile
+++ b/arch/arm/cpu/armv7/ls102xa/Makefile
@@ -8,6 +8,7 @@ obj-y += cpu.o
obj-y += clock.o
obj-y += timer.o
obj-y += fsl_epu.o
+obj-y += soc.o

obj-$(CONFIG_OF_LIBFDT) += fdt.o
obj-$(CONFIG_SYS_HAS_SERDES) += fsl_ls1_serdes.o ls102xa_serdes.o
diff --git a/arch/arm/cpu/armv7/ls102xa/soc.c b/arch/arm/cpu/armv7/ls102xa/soc.c
new file mode 100644
index 0000000..0fdd6d4
--- /dev/null
+++ b/arch/arm/cpu/armv7/ls102xa/soc.c
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2015 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/clock.h>
+#include <asm/io.h>
+#include <asm/arch/immap_ls102xa.h>
+#include <asm/arch/ls102xa_soc.h>
+
+unsigned int get_soc_major_rev(void)
+{
+ struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
+ unsigned int svr, major;
+
+ svr = in_be32(&gur->svr);
+ major = SVR_MAJ(svr);
+
+ return major;
+}
+
+int arch_soc_init(void)
+{
+ struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
+ struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR;
+ unsigned int major;
+
+#ifdef CONFIG_FSL_QSPI
+ out_be32(&scfg->qspi_cfg, SCFG_QSPI_CLKSEL);
+#endif
+
+#ifdef CONFIG_FSL_DCU_FB
+ out_be32(&scfg->pixclkcr, SCFG_PIXCLKCR_PXCKEN);
+#endif
+
+ /* Configure Little endian for SAI, ASRC and SPDIF */
+ out_be32(&scfg->endiancr, SCFG_ENDIANCR_LE);
+
+ /*
+ * Enable snoop requests and DVM message requests for
+ * Slave insterface S4 (A7 core cluster)
+ */
+ out_le32(&cci->slave[4].snoop_ctrl,
+ CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
+
+ major = get_soc_major_rev();
+ if (major == SOC_MAJOR_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);
+ }
+
+ return 0;
+}
diff --git a/arch/arm/include/asm/arch-ls102xa/ls102xa_soc.h b/arch/arm/include/asm/arch-ls102xa/ls102xa_soc.h
new file mode 100644
index 0000000..f10cb91
--- /dev/null
+++ b/arch/arm/include/asm/arch-ls102xa/ls102xa_soc.h
@@ -0,0 +1,12 @@
+/*
+ * Copyright 2015 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __FSL_LS102XA_SOC_H
+#define __FSL_LS102XA_SOC_H
+
+unsigned int get_soc_major_rev(void);
+int arch_soc_init(void);
+#endif /* __FSL_LS102XA_SOC_H */
diff --git a/board/freescale/ls1021aqds/ls1021aqds.c b/board/freescale/ls1021aqds/ls1021aqds.c
index 655fc64..fd20735 100644
--- a/board/freescale/ls1021aqds/ls1021aqds.c
+++ b/board/freescale/ls1021aqds/ls1021aqds.c
@@ -12,6 +12,7 @@
#include <asm/arch/clock.h>
#include <asm/arch/fsl_serdes.h>
#include <asm/arch/ls102xa_stream_id.h>
+#include <asm/arch/ls102xa_soc.h>
#include <asm/arch/ls102xa_devdis.h>
#include <hwconfig.h>
#include <mmc.h>
@@ -225,17 +226,6 @@ unsigned long get_board_ddr_clk(void)
return 66666666;
}

-unsigned int get_soc_major_rev(void)
-{
- struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
- unsigned int svr, major;
-
- svr = in_be32(&gur->svr);
- major = SVR_MAJ(svr);
-
- return major;
-}
-
int select_i2c_ch_pca9547(u8 ch)
{
int ret;
@@ -278,8 +268,6 @@ int board_mmc_init(bd_t *bis)
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;
- unsigned int major;

#ifdef CONFIG_TSEC_ENET
/* clear BD & FR bits for BE BD's and frame data */
@@ -290,40 +278,7 @@ int board_early_init_f(void)
init_early_memctl_regs();
#endif

-#ifdef CONFIG_FSL_QSPI
- out_be32(&scfg->qspi_cfg, SCFG_QSPI_CLKSEL);
-#endif
-
-#ifdef CONFIG_FSL_DCU_FB
- out_be32(&scfg->pixclkcr, SCFG_PIXCLKCR_PXCKEN);
-#endif
-
- /* Configure Little endian for SAI, ASRC and SPDIF */
- out_be32(&scfg->endiancr, SCFG_ENDIANCR_LE);
-
- /*
- * Enable snoop requests and DVM message requests for
- * Slave insterface S4 (A7 core cluster)
- */
- out_le32(&cci->slave[4].snoop_ctrl,
- CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
-
- major = get_soc_major_rev();
- if (major == SOC_MAJOR_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);
- }
+ arch_soc_init();

#if defined(CONFIG_DEEP_SLEEP)
if (is_warm_boot())
diff --git a/board/freescale/ls1021atwr/ls1021atwr.c b/board/freescale/ls1021atwr/ls1021atwr.c
index 228dbf8..14ff575 100644
--- a/board/freescale/ls1021atwr/ls1021atwr.c
+++ b/board/freescale/ls1021atwr/ls1021atwr.c
@@ -12,6 +12,7 @@
#include <asm/arch/clock.h>
#include <asm/arch/fsl_serdes.h>
#include <asm/arch/ls102xa_stream_id.h>
+#include <asm/arch/ls102xa_soc.h>
#include <asm/arch/ls102xa_devdis.h>
#include <hwconfig.h>
#include <mmc.h>
@@ -223,17 +224,6 @@ int checkboard(void)
return 0;
}

-unsigned int get_soc_major_rev(void)
-{
- struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
- unsigned int svr, major;
-
- svr = in_be32(&gur->svr);
- major = SVR_MAJ(svr);
-
- return major;
-}
-
void ddrmc_init(void)
{
struct ccsr_ddr *ddr = (struct ccsr_ddr *)CONFIG_SYS_FSL_DDR_ADDR;
@@ -479,8 +469,6 @@ conflict:
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;
- unsigned int major;

#ifdef CONFIG_TSEC_ENET
/* clear BD & FR bits for BE BD's and frame data */
@@ -492,33 +480,7 @@ int board_early_init_f(void)
init_early_memctl_regs();
#endif

-#ifdef CONFIG_FSL_DCU_FB
- out_be32(&scfg->pixclkcr, SCFG_PIXCLKCR_PXCKEN);
-#endif
-
-#ifdef CONFIG_FSL_QSPI
- out_be32(&scfg->qspi_cfg, SCFG_QSPI_CLKSEL);
-#endif
-
- /* Configure Little endian for SAI, ASRC and SPDIF */
- out_be32(&scfg->endiancr, SCFG_ENDIANCR_LE);
-
- /*
- * Enable snoop requests and DVM message requests for
- * Slave insterface S4 (A7 core cluster)
- */
- out_le32(&cci->slave[4].snoop_ctrl,
- CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
-
- major = get_soc_major_rev();
- if (major == SOC_MAJOR_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);
- }
+ arch_soc_init();

#if defined(CONFIG_DEEP_SLEEP)
if (is_warm_boot())
--
2.1.0.27.g96db324