ATMEL: use generic mmc framework

gen_atmel_mci works on AVR32 as well, so no need to use the legacy
mmc driver. This also has the nice side effect of being able to use
SDHC cards an those boards.

Signed-off-by: Sven Schnelle <svens@stackframe.org>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>

arch/avr32/lib/board.c

@@ -25,6 +25,7 @@
 #include <stdio_dev.h>
 #include <version.h>
 #include <net.h>
+#include <atmel_mci.h>
 
 #ifdef CONFIG_BITBANGMII
 #include <miiphy.h>
@@ -32,11 +33,15 @@
 
 #include <asm/sections.h>
 #include <asm/arch/mmu.h>
+#include <asm/arch/hardware.h>
 
 #ifndef CONFIG_IDENT_STRING
 #define CONFIG_IDENT_STRING ""
 #endif
 
+#ifdef CONFIG_ATMEL_MCI
+#include <mmc.h>
+#endif
 DECLARE_GLOBAL_DATA_PTR;
 
 unsigned long monitor_flash_len;
@@ -49,6 +54,13 @@ static int __do_nothing(void)
 int board_postclk_init(void) __attribute__((weak, alias("__do_nothing")));
 int board_early_init_r(void) __attribute__((weak, alias("__do_nothing")));
 
+/* provide cpu_mmc_init, to overwrite provide board_mmc_init */
+int cpu_mmc_init(bd_t *bd)
+{
+	/* This calls the atmel_mci_init in gen_atmel_mci.c */
+	return atmel_mci_init((void *)ATMEL_BASE_MMCI);
+}
+
 #ifdef CONFIG_SYS_DMA_ALLOC_LEN
 #include <asm/arch/cacheflush.h>
 #include <asm/io.h>
@@ -324,6 +336,9 @@ void board_init_r(gd_t *new_gd, ulong dest_addr)
 	eth_initialize(gd->bd);
 #endif
 
+#ifdef CONFIG_GENERIC_ATMEL_MCI
+	mmc_initialize(gd->bd);
+#endif
 	for (;;) {
 		main_loop();
 	}

drivers/mmc/atmel_mci.h → include/atmel_mci.h

@@ -19,8 +19,10 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  * MA 02111-1307 USA
  */
-#ifndef __CPU_AT32AP_ATMEL_MCI_H__
-#define __CPU_AT32AP_ATMEL_MCI_H__
+#ifndef __ATMEL_MCI_H__
+#define __ATMEL_MCI_H__
+
+int atmel_mci_init(void *regs);
 
 #ifndef __ASSEMBLY__
 
@@ -242,4 +244,4 @@ typedef struct atmel_mci {
 #define mmci_writel(reg,value)				\
 	writel((value), (void *)ATMEL_BASE_MMCI + MMCI_##reg)
 
-#endif /* __CPU_AT32AP_ATMEL_MCI_H__ */
+#endif /* __ATMEL_MCI_H__ */

include/configs/atngw100.h

@@ -128,7 +128,9 @@
 #define CONFIG_SYS_NR_PIOS			5
 #define CONFIG_SYS_HSDRAMC
 #define CONFIG_MMC
-#define CONFIG_ATMEL_MCI
+#define CONFIG_GENERIC_ATMEL_MCI
+#define CONFIG_GENERIC_MMC
+#define CONFIG_SYS_MMC_MAX_BLK_COUNT 1
 #define CONFIG_ATMEL_SPI
 
 #define CONFIG_SPI_FLASH

include/configs/atstk1002.h

@@ -151,7 +151,9 @@
 #define CONFIG_SYS_NR_PIOS			5
 #define CONFIG_SYS_HSDRAMC
 #define CONFIG_MMC
-#define CONFIG_ATMEL_MCI
+#define CONFIG_GENERIC_ATMEL_MCI
+#define CONFIG_GENERIC_MMC
+#define CONFIG_SYS_MMC_MAX_BLK_COUNT 1
 
 #define CONFIG_SYS_DCACHE_LINESZ		32
 #define CONFIG_SYS_ICACHE_LINESZ		32

include/configs/atstk1003.h

@@ -100,7 +100,7 @@
 	"console=ttyS0 root=/dev/mmcblk0p1 rootwait"
 
 #define CONFIG_BOOTCOMMAND						\
-	"mmcinit; ext2load mmc 0:1 0x10400000 /boot/uImage; bootm"
+	"mmc rescan; ext2load mmc 0:1 0x10400000 /boot/uImage; bootm"
 
 /*
  * Only interrupt autoboot if <space> is pressed. Otherwise, garbage
@@ -135,7 +135,9 @@
 #define CONFIG_PORTMUX_PIO
 #define CONFIG_SYS_HSDRAMC
 #define CONFIG_MMC
-#define CONFIG_ATMEL_MCI
+#define CONFIG_GENERIC_ATMEL_MCI
+#define CONFIG_GENERIC_MMC
+#define CONFIG_SYS_MMC_MAX_BLK_COUNT 1
 
 #define CONFIG_SYS_DCACHE_LINESZ		32
 #define CONFIG_SYS_ICACHE_LINESZ		32

include/configs/atstk1004.h

@@ -100,7 +100,7 @@
 	"console=ttyS0 root=/dev/mmcblk0p1 rootwait"
 
 #define CONFIG_BOOTCOMMAND						\
-	"mmcinit; ext2load mmc 0:1 0x10200000 /boot/uImage; bootm"
+	"mmc rescan; ext2load mmc 0:1 0x10200000 /boot/uImage; bootm"
 
 /*
  * Only interrupt autoboot if <space> is pressed. Otherwise, garbage
@@ -135,7 +135,9 @@
 #define CONFIG_PORTMUX_PIO
 #define CONFIG_SYS_HSDRAMC
 #define CONFIG_MMC
-#define CONFIG_ATMEL_MCI
+#define CONFIG_GENERIC_ATMEL_MCI
+#define CONFIG_GENERIC_MMC
+#define CONFIG_SYS_MMC_MAX_BLK_COUNT 1
 
 #define CONFIG_SYS_DCACHE_LINESZ		32
 #define CONFIG_SYS_ICACHE_LINESZ		32

include/configs/atstk1006.h

@@ -151,7 +151,9 @@
 #define CONFIG_SYS_NR_PIOS			5
 #define CONFIG_SYS_HSDRAMC
 #define CONFIG_MMC
-#define CONFIG_ATMEL_MCI
+#define CONFIG_GENERIC_ATMEL_MCI
+#define CONFIG_GENERIC_MMC
+#define CONFIG_SYS_MMC_MAX_BLK_COUNT 1
 
 #define CONFIG_SYS_DCACHE_LINESZ		32
 #define CONFIG_SYS_ICACHE_LINESZ		32

include/configs/favr-32-ezkit.h

@@ -150,7 +150,9 @@
 #define CONFIG_SYS_NR_PIOS			5
 #define CONFIG_SYS_HSDRAMC
 #define CONFIG_MMC
-#define CONFIG_ATMEL_MCI
+#define CONFIG_GENERIC_ATMEL_MCI
+#define CONFIG_GENERIC_MMC
+#define CONFIG_SYS_MMC_MAX_BLK_COUNT 1
 
 #define CONFIG_SYS_DCACHE_LINESZ		32
 #define CONFIG_SYS_ICACHE_LINESZ		32

include/configs/hammerhead.h

@@ -124,7 +124,9 @@
 #define CONFIG_SYS_NR_PIOS			5
 #define CONFIG_SYS_HSDRAMC
 #define CONFIG_MMC
-#define CONFIG_ATMEL_MCI
+#define CONFIG_GENERIC_ATMEL_MCI
+#define CONFIG_GENERIC_MMC
+#define CONFIG_SYS_MMC_MAX_BLK_COUNT 1
 
 #define CONFIG_SYS_DCACHE_LINESZ		32
 #define CONFIG_SYS_ICACHE_LINESZ		32

include/configs/mimc200.h

@@ -129,7 +129,9 @@
 #define CONFIG_SYS_NR_PIOS			5
 #define CONFIG_SYS_HSDRAMC
 #define CONFIG_MMC
-#define CONFIG_ATMEL_MCI
+#define CONFIG_GENERIC_ATMEL_MCI
+#define CONFIG_GENERIC_MMC
+#define CONFIG_SYS_MMC_MAX_BLK_COUNT 1
 
 #if defined(CONFIG_LCD)
 #define CONFIG_CMD_BMP

include/mmc.h

@@ -322,7 +322,6 @@ int mmc_switch_part(int dev_num, unsigned int part_num);
 int mmc_getcd(struct mmc *mmc);
 
 #ifdef CONFIG_GENERIC_MMC
-int atmel_mci_init(void *regs);
 #define mmc_host_is_spi(mmc)	((mmc)->host_caps & MMC_MODE_SPI)
 struct mmc *mmc_spi_init(uint bus, uint cs, uint speed, uint mode);
 #else