[U-Boot] [PATCH v3 05/12] avr32: convert to dram_init()

6 Feb 2015

Signed-off-by: Andreas Bießmann andreas.devel@googlemail.com
Reviewed-by: Simon Glass sjg@chromium.org
---
Changes in v3: None
Changes in v2:
- new since v1
Changes in v1: None
arch/avr32/include/asm/u-boot.h              |    1 +
 arch/avr32/lib/Makefile                      |    1 +
 arch/avr32/lib/board.c                       |   20 ++++++++++----------
 arch/avr32/lib/dram_init.c                   |   17 +++++++++++++++++
 board/atmel/atngw100/atngw100.c              |   20 ++------------------
 board/atmel/atngw100mkii/atngw100mkii.c      |   21 +++------------------
 board/atmel/atstk1000/atstk1000.c            |   21 +++------------------
 board/earthlcd/favr-32-ezkit/favr-32-ezkit.c |   21 +++------------------
 board/in-circuit/grasshopper/grasshopper.c   |   20 ++------------------
 board/mimc/mimc200/mimc200.c                 |   20 ++------------------
 board/miromico/hammerhead/hammerhead.c       |   20 ++------------------
 11 files changed, 46 insertions(+), 136 deletions(-)
 create mode 100644 arch/avr32/lib/dram_init.c

diff --git a/arch/avr32/include/asm/u-boot.h b/arch/avr32/include/asm/u-boot.h
index 2387f8a..232350e 100644
--- a/arch/avr32/include/asm/u-boot.h
+++ b/arch/avr32/include/asm/u-boot.h
@@ -26,5 +26,6 @@ typedef struct bd_info {
 #define IH_ARCH_DEFAULT IH_ARCH_AVR32
int arch_cpu_init(void);
+int dram_init(void);
#endif /* __ASM_U_BOOT_H__ */
diff --git a/arch/avr32/lib/Makefile b/arch/avr32/lib/Makefile
index bb45cbe..5f2d97b 100644
--- a/arch/avr32/lib/Makefile
+++ b/arch/avr32/lib/Makefile
@@ -11,3 +11,4 @@ obj-y	+= memset.o
 obj-y	+= board.o
 obj-$(CONFIG_CMD_BOOTM) += bootm.o
 obj-y	+= interrupts.o
+obj-y	+= dram_init.o
diff --git a/arch/avr32/lib/board.c b/arch/avr32/lib/board.c
index e86530f..13b7fed 100644
--- a/arch/avr32/lib/board.c
+++ b/arch/avr32/lib/board.c
@@ -29,6 +29,12 @@ DECLARE_GLOBAL_DATA_PTR;
unsigned long monitor_flash_len;
+__weak void dram_init_banksize(void)
+{
+	gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
+	gd->bd->bi_dram[0].size =  gd->ram_size;
+}
+
 /* Weak aliases for optional board functions */
 static int __do_nothing(void)
 {
@@ -82,7 +88,6 @@ void board_init_f(ulong board_type)
    unsigned long monitor_len;
    unsigned long monitor_addr;
    unsigned long addr;
-	long sdram_size;
/* Initialize the global data pointer */
    memset(&gd_data, 0, sizeof(gd_data));
@@ -97,10 +102,10 @@ void board_init_f(ulong board_type)
    serial_init();
    console_init_f();
    display_banner();
-	sdram_size = initdram(board_type);
+	dram_init();
/* If we have no SDRAM, we can't go on */
-	if (sdram_size <= 0)
+	if (gd->ram_size <= 0)
    	panic("No working SDRAM available\n");
/*
@@ -114,7 +119,7 @@ void board_init_f(ulong board_type)
     *  - global data struct
     *  - stack
     */
-	addr = CONFIG_SYS_SDRAM_BASE + sdram_size;
+	addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size;
    monitor_len = (char *)(&__bss_end) - _text;
/*
@@ -156,12 +161,7 @@ void board_init_f(ulong board_type)
    *(--new_sp) = 0;
    *(--new_sp) = 0;
-	/*
-	 * Initialize the board information struct with the
-	 * information we have.
-	 */
-	bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
-	bd->bi_dram[0].size = sdram_size;
+	dram_init_banksize();
memcpy(new_gd, gd, sizeof(gd_t));
diff --git a/arch/avr32/lib/dram_init.c b/arch/avr32/lib/dram_init.c
new file mode 100644
index 0000000..5078e77
--- /dev/null
+++ b/arch/avr32/lib/dram_init.c
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) 2015 Andreas Bießmann andreas.devel@googlemail.com
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#include <common.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int dram_init(void)
+{
+	/* check for the maximum amount of memory possible on AP7000 devices */
+	gd->ram_size = get_ram_size(
+		(void *)CONFIG_SYS_SDRAM_BASE,
+		(256<<20));
+	return 0;
+}
diff --git a/board/atmel/atngw100/atngw100.c b/board/atmel/atngw100/atngw100.c
index ed09c8c..dacd427 100644
--- a/board/atmel/atngw100/atngw100.c
+++ b/board/atmel/atngw100/atngw100.c
@@ -52,6 +52,8 @@ int board_early_init_f(void)
    hmatrix_slave_write(EBI, SFR, HMATRIX_BIT(EBI_SDRAM_ENABLE));
portmux_enable_ebi(16, 23, 0, PORTMUX_DRIVE_HIGH);
+	sdram_init(uncached(EBI_SDRAM_BASE), &sdram_config);
+
    portmux_enable_usart1(PORTMUX_DRIVE_MIN);
#if defined(CONFIG_MACB)
@@ -68,24 +70,6 @@ int board_early_init_f(void)
    return 0;
 }
-phys_size_t initdram(int board_type)
-{
-	unsigned long expected_size;
-	unsigned long actual_size;
-	void *sdram_base;
-
-	sdram_base = uncached(EBI_SDRAM_BASE);
-
-	expected_size = sdram_init(sdram_base, &sdram_config);
-	actual_size = get_ram_size(sdram_base, expected_size);
-
-	if (expected_size != actual_size)
-		printf("Warning: Only %lu of %lu MiB SDRAM is working\n",
-				actual_size >> 20, expected_size >> 20);
-
-	return actual_size;
-}
-
 int board_early_init_r(void)
 {
    gd->bd->bi_phy_id[0] = 0x01;
diff --git a/board/atmel/atngw100mkii/atngw100mkii.c b/board/atmel/atngw100mkii/atngw100mkii.c
index 912ea10..8e215d5 100644
--- a/board/atmel/atngw100mkii/atngw100mkii.c
+++ b/board/atmel/atngw100mkii/atngw100mkii.c
@@ -69,6 +69,9 @@ int board_early_init_f(void)
    portmux_select_gpio(PORTMUX_PORT_E, 1 << 23,
    		PORTMUX_DIR_OUTPUT | PORTMUX_INIT_HIGH
    		| PORTMUX_DRIVE_MIN);
+
+	sdram_init(uncached(EBI_SDRAM_BASE), &sdram_config);
+
    portmux_enable_usart1(PORTMUX_DRIVE_MIN);
#if defined(CONFIG_MACB)
@@ -85,24 +88,6 @@ int board_early_init_f(void)
    return 0;
 }
-phys_size_t initdram(int board_type)
-{
-	unsigned long expected_size;
-	unsigned long actual_size;
-	void *sdram_base;
-
-	sdram_base = uncached(EBI_SDRAM_BASE);
-
-	expected_size = sdram_init(sdram_base, &sdram_config);
-	actual_size = get_ram_size(sdram_base, expected_size);
-
-	if (expected_size != actual_size)
-		printf("Warning: Only %lu of %lu MiB SDRAM is working\n",
-				actual_size >> 20, expected_size >> 20);
-
-	return actual_size;
-}
-
 int board_early_init_r(void)
 {
    gd->bd->bi_phy_id[0] = 0x01;
diff --git a/board/atmel/atstk1000/atstk1000.c b/board/atmel/atstk1000/atstk1000.c
index f354694..fd4363b 100644
--- a/board/atmel/atstk1000/atstk1000.c
+++ b/board/atmel/atstk1000/atstk1000.c
@@ -78,7 +78,10 @@ int board_early_init_f(void)
    hmatrix_slave_write(EBI, SFR, HMATRIX_BIT(EBI_SDRAM_ENABLE));
portmux_enable_ebi(sdram_config.data_bits, 23, 0, PORTMUX_DRIVE_HIGH);
+	sdram_init(uncached(EBI_SDRAM_BASE), &sdram_config);
+
    portmux_enable_usart1(PORTMUX_DRIVE_MIN);
+
 #if defined(CONFIG_MACB)
    portmux_enable_macb0(PORTMUX_MACB_MII, PORTMUX_DRIVE_LOW);
    portmux_enable_macb1(PORTMUX_MACB_MII, PORTMUX_DRIVE_LOW);
@@ -90,24 +93,6 @@ int board_early_init_f(void)
    return 0;
 }
-phys_size_t initdram(int board_type)
-{
-	unsigned long expected_size;
-	unsigned long actual_size;
-	void *sdram_base;
-
-	sdram_base = uncached(EBI_SDRAM_BASE);
-
-	expected_size = sdram_init(sdram_base, &sdram_config);
-	actual_size = get_ram_size(sdram_base, expected_size);
-
-	if (expected_size != actual_size)
-		printf("Warning: Only %lu of %lu MiB SDRAM is working\n",
-				actual_size >> 20, expected_size >> 20);
-
-	return actual_size;
-}
-
 int board_early_init_r(void)
 {
    gd->bd->bi_phy_id[0] = 0x10;
diff --git a/board/earthlcd/favr-32-ezkit/favr-32-ezkit.c b/board/earthlcd/favr-32-ezkit/favr-32-ezkit.c
index f9fde79..f9ac330 100644
--- a/board/earthlcd/favr-32-ezkit/favr-32-ezkit.c
+++ b/board/earthlcd/favr-32-ezkit/favr-32-ezkit.c
@@ -52,6 +52,9 @@ int board_early_init_f(void)
    hmatrix_slave_write(EBI, SFR, HMATRIX_BIT(EBI_SDRAM_ENABLE));
portmux_enable_ebi(32, 23, 0, PORTMUX_DRIVE_HIGH);
+
+	sdram_init(uncached(EBI_SDRAM_BASE), &sdram_config);
+
    portmux_enable_usart3(PORTMUX_DRIVE_MIN);
 #if defined(CONFIG_MACB)
    portmux_enable_macb0(PORTMUX_MACB_MII, PORTMUX_DRIVE_HIGH);
@@ -63,24 +66,6 @@ int board_early_init_f(void)
    return 0;
 }
-phys_size_t initdram(int board_type)
-{
-	unsigned long expected_size;
-	unsigned long actual_size;
-	void *sdram_base;
-
-	sdram_base = uncached(EBI_SDRAM_BASE);
-
-	expected_size = sdram_init(sdram_base, &sdram_config);
-	actual_size = get_ram_size(sdram_base, expected_size);
-
-	if (expected_size != actual_size)
-		printf("Warning: Only %lu of %lu MiB SDRAM is working\n",
-				actual_size >> 20, expected_size >> 20);
-
-	return actual_size;
-}
-
 int board_early_init_r(void)
 {
    gd->bd->bi_phy_id[0] = 0x01;
diff --git a/board/in-circuit/grasshopper/grasshopper.c b/board/in-circuit/grasshopper/grasshopper.c
index 2ac54db..91b4116 100644
--- a/board/in-circuit/grasshopper/grasshopper.c
+++ b/board/in-circuit/grasshopper/grasshopper.c
@@ -53,6 +53,8 @@ int board_early_init_f(void)
    hmatrix_slave_write(EBI, SFR, HMATRIX_BIT(EBI_SDRAM_ENABLE));
portmux_enable_ebi(SDRAM_DATA_32BIT, 23, 0, PORTMUX_DRIVE_HIGH);
+	sdram_init(uncached(EBI_SDRAM_BASE), &sdram_config);
+
    portmux_enable_usart0(PORTMUX_DRIVE_MIN);
    portmux_enable_usart1(PORTMUX_DRIVE_MIN);
 #if defined(CONFIG_MACB)
@@ -69,24 +71,6 @@ int board_early_init_f(void)
    return 0;
 }
-phys_size_t initdram(int board_type)
-{
-	unsigned long expected_size;
-	unsigned long actual_size;
-	void *sdram_base;
-
-	sdram_base = uncached(EBI_SDRAM_BASE);
-
-	expected_size = sdram_init(sdram_base, &sdram_config);
-	actual_size = get_ram_size(sdram_base, expected_size);
-
-	if (expected_size != actual_size)
-		printf("Warning: Only %lu of %lu MiB SDRAM is working\n",
-				actual_size >> 20, expected_size >> 20);
-
-	return actual_size;
-}
-
 int board_early_init_r(void)
 {
    gd->bd->bi_phy_id[0] = 0x00;
diff --git a/board/mimc/mimc200/mimc200.c b/board/mimc/mimc200/mimc200.c
index 186ac7d..f078295 100644
--- a/board/mimc/mimc200/mimc200.c
+++ b/board/mimc/mimc200/mimc200.c
@@ -91,6 +91,8 @@ int board_early_init_f(void)
/* Enable 26 address bits and NCS2 */
    portmux_enable_ebi(16, 26, PORTMUX_EBI_CS(2), PORTMUX_DRIVE_HIGH);
+	sdram_init(uncached(EBI_SDRAM_BASE), &sdram_config);
+
    portmux_enable_usart1(PORTMUX_DRIVE_MIN);
/* de-assert "force sys reset" pin */
@@ -151,24 +153,6 @@ int board_early_init_f(void)
    return 0;
 }
-phys_size_t initdram(int board_type)
-{
-	unsigned long expected_size;
-	unsigned long actual_size;
-	void *sdram_base;
-
-	sdram_base = uncached(EBI_SDRAM_BASE);
-
-	expected_size = sdram_init(sdram_base, &sdram_config);
-	actual_size = get_ram_size(sdram_base, expected_size);
-
-	if (expected_size != actual_size)
-		printf("Warning: Only %lu of %lu MiB SDRAM is working\n",
-				actual_size >> 20, expected_size >> 20);
-
-	return actual_size;
-}
-
 int board_early_init_r(void)
 {
    gd->bd->bi_phy_id[0] = 0x01;
diff --git a/board/miromico/hammerhead/hammerhead.c b/board/miromico/hammerhead/hammerhead.c
index e9a9e4b..a0c7d3b 100644
--- a/board/miromico/hammerhead/hammerhead.c
+++ b/board/miromico/hammerhead/hammerhead.c
@@ -63,6 +63,8 @@ int board_early_init_f(void)
    hmatrix_slave_write(EBI, SFR, HMATRIX_BIT(EBI_SDRAM_ENABLE));
portmux_enable_ebi(32, 23, 0, PORTMUX_DRIVE_HIGH);
+	sdram_init(uncached(EBI_SDRAM_BASE), &sdram_config);
+
    portmux_enable_usart1(PORTMUX_DRIVE_MIN);
#if defined(CONFIG_MACB)
@@ -74,24 +76,6 @@ int board_early_init_f(void)
    return 0;
 }
-phys_size_t initdram(int board_type)
-{
-	unsigned long expected_size;
-	unsigned long actual_size;
-	void *sdram_base;
-
-	sdram_base = uncached(EBI_SDRAM_BASE);
-
-	expected_size = sdram_init(sdram_base, &sdram_config);
-	actual_size = get_ram_size(sdram_base, expected_size);
-
-	if (expected_size != actual_size)
-		printf("Warning: Only %lu of %lu MiB SDRAM is working\n",
-		       actual_size >> 20, expected_size >> 20);
-
-	return actual_size;
-}
-
 int board_early_init_r(void)
 {
    gd->bd->bi_phy_id[0] = 0x01;
-- 
1.7.10.4


    