avr32: convert to dram_init()

Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

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__ */

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

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));
 

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;
+}

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;

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;

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;

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;

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;

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;

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;