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path: root/drivers/renesas/rcar/scif
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Diffstat (limited to 'drivers/renesas/rcar/scif')
-rw-r--r--drivers/renesas/rcar/scif/scif.S176
1 files changed, 88 insertions, 88 deletions
diff --git a/drivers/renesas/rcar/scif/scif.S b/drivers/renesas/rcar/scif/scif.S
index ae26cc4023..beb8dd8383 100644
--- a/drivers/renesas/rcar/scif/scif.S
+++ b/drivers/renesas/rcar/scif/scif.S
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2015-2019, Renesas Electronics Corporation. All rights reserved.
+ * Copyright (c) 2015-2020, Renesas Electronics Corporation. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -9,43 +9,43 @@
#include <console_macros.S>
#include <drivers/renesas/rcar/console/console.h>
-#define SCIF_INTERNAL_CLK 0
-#define SCIF_EXTARNAL_CLK 1
-#define SCIF_CLK SCIF_INTERNAL_CLK
+#define SCIF_INTERNAL_CLK 0
+#define SCIF_EXTARNAL_CLK 1
+#define SCIF_CLK SCIF_INTERNAL_CLK
/* product register */
-#define PRR (0xFFF00044)
-#define PRR_PRODUCT_MASK (0x00007F00)
-#define PRR_CUT_MASK (0x000000FF)
-#define PRR_PRODUCT_H3_VER_10 (0x00004F00)
-#define PRR_PRODUCT_E3 (0x00005700)
-#define PRR_PRODUCT_D3 (0x00005800)
+#define PRR (0xFFF00044)
+#define PRR_PRODUCT_MASK (0x00007F00)
+#define PRR_CUT_MASK (0x000000FF)
+#define PRR_PRODUCT_H3_VER_10 (0x00004F00)
+#define PRR_PRODUCT_E3 (0x00005700)
+#define PRR_PRODUCT_D3 (0x00005800)
/* module stop */
-#define CPG_BASE (0xE6150000)
-#define CPG_SMSTPCR2 (0x0138)
-#define CPG_SMSTPCR3 (0x013C)
+#define CPG_BASE (0xE6150000)
+#define CPG_SMSTPCR2 (0x0138)
+#define CPG_SMSTPCR3 (0x013C)
#define CPG_MSTPSR2 (0x0040)
-#define CPG_MSTPSR3 (0x0048)
-#define MSTP207 (1 << 7)
-#define MSTP310 (1 << 10)
-#define CPG_CPGWPR (0x0900)
+#define CPG_MSTPSR3 (0x0048)
+#define MSTP207 (1 << 7)
+#define MSTP310 (1 << 10)
+#define CPG_CPGWPR (0x0900)
/* scif */
-#define SCIF0_BASE (0xE6E60000)
-#define SCIF2_BASE (0xE6E88000)
-#define SCIF_SCSMR (0x00)
-#define SCIF_SCBRR (0x04)
-#define SCIF_SCSCR (0x08)
-#define SCIF_SCFTDR (0x0C)
-#define SCIF_SCFSR (0x10)
-#define SCIF_SCFRDR (0x14)
-#define SCIF_SCFCR (0x18)
-#define SCIF_SCFDR (0x1C)
-#define SCIF_SCSPTR (0x20)
-#define SCIF_SCLSR (0x24)
-#define SCIF_DL (0x30)
-#define SCIF_CKS (0x34)
+#define SCIF0_BASE (0xE6E60000)
+#define SCIF2_BASE (0xE6E88000)
+#define SCIF_SCSMR (0x00)
+#define SCIF_SCBRR (0x04)
+#define SCIF_SCSCR (0x08)
+#define SCIF_SCFTDR (0x0C)
+#define SCIF_SCFSR (0x10)
+#define SCIF_SCFRDR (0x14)
+#define SCIF_SCFCR (0x18)
+#define SCIF_SCFDR (0x1C)
+#define SCIF_SCSPTR (0x20)
+#define SCIF_SCLSR (0x24)
+#define SCIF_DL (0x30)
+#define SCIF_CKS (0x34)
#if RCAR_LSI == RCAR_V3M
#define SCIF_BASE SCIF0_BASE
@@ -60,70 +60,71 @@
#endif
/* mode pin */
-#define RST_MODEMR (0xE6160060)
-#define MODEMR_MD12 (0x00001000)
+#define RST_MODEMR (0xE6160060)
+#define MODEMR_MD12 (0x00001000)
-#define SCSMR_CA_MASK (1 << 7)
-#define SCSMR_CA_ASYNC (0x0000)
-#define SCSMR_CHR_MASK (1 << 6)
-#define SCSMR_CHR_8 (0x0000)
-#define SCSMR_PE_MASK (1 << 5)
-#define SCSMR_PE_DIS (0x0000)
-#define SCSMR_STOP_MASK (1 << 3)
-#define SCSMR_STOP_1 (0x0000)
-#define SCSMR_CKS_MASK (3 << 0)
-#define SCSMR_CKS_DIV1 (0x0000)
-#define SCSMR_INIT_DATA (SCSMR_CA_ASYNC + \
+#define SCSMR_CA_MASK (1 << 7)
+#define SCSMR_CA_ASYNC (0x0000)
+#define SCSMR_CHR_MASK (1 << 6)
+#define SCSMR_CHR_8 (0x0000)
+#define SCSMR_PE_MASK (1 << 5)
+#define SCSMR_PE_DIS (0x0000)
+#define SCSMR_STOP_MASK (1 << 3)
+#define SCSMR_STOP_1 (0x0000)
+#define SCSMR_CKS_MASK (3 << 0)
+#define SCSMR_CKS_DIV1 (0x0000)
+#define SCSMR_INIT_DATA (SCSMR_CA_ASYNC + \
SCSMR_CHR_8 + \
SCSMR_PE_DIS + \
SCSMR_STOP_1 + \
SCSMR_CKS_DIV1)
-#define SCBRR_115200BPS (17)
-#define SCBRR_115200BPSON (16)
-#define SCBRR_115200BPS_E3_SSCG (15)
-#define SCBRR_230400BPS (8)
+#define SCBRR_115200BPS (17)
+#define SCBRR_115200BPSON (16)
+#define SCBRR_115200BPS_E3_SSCG (15)
+#define SCBRR_230400BPS (8)
-#define SCSCR_TE_MASK (1 << 5)
-#define SCSCR_TE_DIS (0x0000)
-#define SCSCR_TE_EN (0x0020)
-#define SCSCR_RE_MASK (1 << 4)
-#define SCSCR_RE_DIS (0x0000)
-#define SCSCR_RE_EN (0x0010)
-#define SCSCR_CKE_MASK (3 << 0)
-#define SCSCR_CKE_INT (0x0000)
-#define SCSCR_CKE_BRG (0x0002)
+#define SCSCR_TE_MASK (1 << 5)
+#define SCSCR_TE_DIS (0x0000)
+#define SCSCR_TE_EN (0x0020)
+#define SCSCR_RE_MASK (1 << 4)
+#define SCSCR_RE_DIS (0x0000)
+#define SCSCR_RE_EN (0x0010)
+#define SCSCR_CKE_MASK (3 << 0)
+#define SCSCR_CKE_INT (0x0000)
+#define SCSCR_CKE_BRG (0x0002)
#if SCIF_CLK == SCIF_EXTARNAL_CLK
-#define SCSCR_CKE_INT_CLK (SCSCR_CKE_BRG)
+#define SCSCR_CKE_INT_CLK (SCSCR_CKE_BRG)
#else
-#define SCFSR_TEND_MASK (1 << 6)
-#define SCFSR_TEND_TRANS_END (0x0040)
-#define SCSCR_CKE_INT_CLK (SCSCR_CKE_INT)
+#define SCFSR_TEND_MASK (1 << 6)
+#define SCFSR_TEND_TRANS_END (0x0040)
+#define SCSCR_CKE_INT_CLK (SCSCR_CKE_INT)
#endif
-#define SCFSR_INIT_DATA (0x0000)
-#define SCFCR_TTRG_MASK (3 << 4)
-#define SCFCR_TTRG_8 (0x0000)
-#define SCFCR_TTRG_0 (0x0030)
-#define SCFCR_TFRST_MASK (1 << 2)
-#define SCFCR_TFRST_DIS (0x0000)
-#define SCFCR_TFRST_EN (0x0004)
-#define SCFCR_RFRS_MASK (1 << 1)
-#define SCFCR_RFRS_DIS (0x0000)
-#define SCFCR_RFRS_EN (0x0002)
-#define SCFCR_INIT_DATA (SCFCR_TTRG_8)
-#define SCFDR_T_MASK (0x1f << 8)
-#define DL_INIT_DATA (8)
-#define CKS_CKS_DIV_MASK (1 << 15)
-#define CKS_CKS_DIV_CLK (0x0000)
-#define CKS_XIN_MASK (1 << 14)
-#define CKS_XIN_SCIF_CLK (0x0000)
-#define CKS_INIT_DATA (CKS_CKS_DIV_CLK + CKS_XIN_SCIF_CLK)
+#define SCFSR_INIT_DATA (0x0000)
+#define SCFCR_TTRG_MASK (3 << 4)
+#define SCFCR_TTRG_8 (0x0000)
+#define SCFCR_TTRG_0 (0x0030)
+#define SCFCR_TFRST_MASK (1 << 2)
+#define SCFCR_TFRST_DIS (0x0000)
+#define SCFCR_TFRST_EN (0x0004)
+#define SCFCR_RFRS_MASK (1 << 1)
+#define SCFCR_RFRS_DIS (0x0000)
+#define SCFCR_RFRS_EN (0x0002)
+#define SCFCR_INIT_DATA (SCFCR_TTRG_8)
+#define SCFDR_T_MASK (0x1f << 8)
+#define DL_INIT_DATA (8)
+#define CKS_CKS_DIV_MASK (1 << 15)
+#define CKS_CKS_DIV_CLK (0x0000)
+#define CKS_XIN_MASK (1 << 14)
+#define CKS_XIN_SCIF_CLK (0x0000)
+#define CKS_INIT_DATA (CKS_CKS_DIV_CLK + CKS_XIN_SCIF_CLK)
.globl console_rcar_register
.globl console_rcar_init
.globl console_rcar_putc
.globl console_rcar_flush
- /* -----------------------------------------------
+ /*
+ * -----------------------------------------------
* int console_rcar_register(
* uintptr_t base, uint32_t clk, uint32_t baud,
* console_t *console)
@@ -154,7 +155,7 @@ register_fail:
ret x7
endfunc console_rcar_register
- /* -----------------------------------------------
+ /*
* int console_rcar_init(unsigned long base_addr,
* unsigned int uart_clk, unsigned int baud_rate)
* Function to initialize the console without a
@@ -166,7 +167,6 @@ endfunc console_rcar_register
* w2 - Baud rate
* Out: return 1 on success
* Clobber list : x1, x2
- * -----------------------------------------------
*/
func console_rcar_init
ldr x0, =CPG_BASE
@@ -188,8 +188,10 @@ func console_rcar_init
ldrh w1, [x0, #SCIF_SCFCR]
orr w1, w1, #(SCFCR_TFRST_EN + SCFCR_RFRS_EN)
strh w1, [x0, #SCIF_SCFCR]
- /* Read flags of ER, DR, BRK, and RDF in SCFSR and those of TO and ORER
- in SCLSR, then clear them to 0 */
+ /*
+ * Read flags of ER, DR, BRK, and RDF in SCFSR and those of TO and ORER
+ * in SCLSR, then clear them to 0
+ */
mov w1, #SCFSR_INIT_DATA
strh w1, [x0, #SCIF_SCFSR]
mov w1, #0
@@ -265,7 +267,7 @@ func console_rcar_init
ret
endfunc console_rcar_init
- /* --------------------------------------------------------
+ /*
* int console_rcar_putc(int c, unsigned int base_addr)
* Function to output a character over the console. It
* returns the character printed on success or -1 on error.
@@ -273,7 +275,6 @@ endfunc console_rcar_init
* x1 - pointer to console_t structure
* Out : return -1 on error else return character.
* Clobber list : x2
- * --------------------------------------------------------
*/
func console_rcar_putc
ldr x1, =SCIF_BASE
@@ -304,12 +305,11 @@ func console_rcar_putc
ret
endfunc console_rcar_putc
- /* ---------------------------------------------
+ /*
* void console_rcar_flush(void)
* Function to force a write of all buffered
* data that hasn't been output. It returns void
* Clobber list : x0, x1
- * ---------------------------------------------
*/
func console_rcar_flush
ldr x0, =SCIF_BASE