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Message-ID: <20080519080605.GE21985@roarinelk.homelinux.net>
Date: Mon, 19 May 2008 10:06:05 +0200
From: Manuel Lauss <mano@...rinelk.homelinux.net>
To: linux-mips@...ux-mips.org, linux-kernel@...r.kernel.org,
drzeus@...eus.cx, sshtylyov@...mvista.com
Subject: [PATCH 4/9] Alchemy: register mmc platform device for
db1200/pb1200 boards
>From 248ed1d1f9c8789e64a373efd37251cdcb9d522a Mon Sep 17 00:00:00 2001
From: Manuel Lauss <mlau@...-ge.com>
Date: Sat, 17 May 2008 17:48:02 +0200
Subject: [PATCH] Alchemy: register mmc platform device for db1200/pb1200 boards
Add au1xmmc platform data for PB1200/DB1200 boards, and wire up
the 2 SD controllers for them.
Signed-off-by: Manuel Lauss <mano@...rinelk.homelinux.net>
---
arch/mips/au1000/common/platform.c | 88 ++++++++++++++++++++++++++----------
arch/mips/au1000/pb1200/platform.c | 60 ++++++++++++++++++++++++
2 files changed, 124 insertions(+), 24 deletions(-)
diff --git a/arch/mips/au1000/common/platform.c b/arch/mips/au1000/common/platform.c
index 8cae775..6225e95 100644
--- a/arch/mips/au1000/common/platform.c
+++ b/arch/mips/au1000/common/platform.c
@@ -16,6 +16,8 @@
#include <linux/init.h>
#include <asm/mach-au1x00/au1xxx.h>
+#include <asm/mach-au1x00/au1xxx_dbdma.h>
+#include <asm/mach-au1x00/au1100_mmc.h>
#define PORT(_base, _irq) \
{ \
@@ -162,24 +164,6 @@ static struct resource au1xxx_usb_gdt_resources[] = {
},
};
-static struct resource au1xxx_mmc_resources[] = {
- [0] = {
- .start = SD0_PHYS_ADDR,
- .end = SD0_PHYS_ADDR + 0x40,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = SD1_PHYS_ADDR,
- .end = SD1_PHYS_ADDR + 0x40,
- .flags = IORESOURCE_MEM,
- },
- [2] = {
- .start = AU1200_SD_INT,
- .end = AU1200_SD_INT,
- .flags = IORESOURCE_IRQ,
- }
-};
-
static u64 udc_dmamask = ~(u32)0;
static struct platform_device au1xxx_usb_gdt_device = {
@@ -248,15 +232,70 @@ static struct platform_device au1200_lcd_device = {
static u64 au1xxx_mmc_dmamask = ~(u32)0;
-static struct platform_device au1xxx_mmc_device = {
+extern struct au1xmmc_platform_data au1xmmc_platdata[2];
+
+static struct resource au1200_mmc0_resources[] = {
+ [0] = {
+ .start = SD0_PHYS_ADDR,
+ .end = SD0_PHYS_ADDR + 0x7ffff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AU1200_SD_INT,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = DSCR_CMD0_SDMS_TX0,
+ .flags = IORESOURCE_DMA,
+ },
+ [3] = {
+ .start = DSCR_CMD0_SDMS_RX0,
+ .flags = IORESOURCE_DMA,
+ }
+};
+
+static struct resource au1200_mmc1_resources[] = {
+ [0] = {
+ .start = SD1_PHYS_ADDR,
+ .end = SD1_PHYS_ADDR + 0x7ffff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AU1200_SD_INT,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = DSCR_CMD0_SDMS_TX1,
+ .flags = IORESOURCE_DMA,
+ },
+ [3] = {
+ .start = DSCR_CMD0_SDMS_RX1,
+ .flags = IORESOURCE_DMA,
+ }
+};
+
+static struct platform_device au1200_mmc0_device = {
.name = "au1xxx-mmc",
.id = 0,
.dev = {
- .dma_mask = &au1xxx_mmc_dmamask,
- .coherent_dma_mask = 0xffffffff,
+ .dma_mask = &au1xxx_mmc_dmamask,
+ .coherent_dma_mask = 0xffffffff,
+ .platform_data = &au1xmmc_platdata[0],
+ },
+ .num_resources = ARRAY_SIZE(au1200_mmc0_resources),
+ .resource = au1200_mmc0_resources,
+};
+
+static struct platform_device au1200_mmc1_device = {
+ .name = "au1xxx-mmc",
+ .id = 1,
+ .dev = {
+ .dma_mask = &au1xxx_mmc_dmamask,
+ .coherent_dma_mask = 0xffffffff,
+ .platform_data = &au1xmmc_platdata[1],
},
- .num_resources = ARRAY_SIZE(au1xxx_mmc_resources),
- .resource = au1xxx_mmc_resources,
+ .num_resources = ARRAY_SIZE(au1200_mmc1_resources),
+ .resource = au1200_mmc1_resources,
};
#endif /* #ifdef CONFIG_SOC_AU1200 */
@@ -295,7 +334,8 @@ static struct platform_device *au1xxx_platform_devices[] __initdata = {
&au1xxx_usb_gdt_device,
&au1xxx_usb_otg_device,
&au1200_lcd_device,
- &au1xxx_mmc_device,
+ &au1200_mmc0_device,
+ &au1200_mmc1_device,
#endif
#ifdef SMBUS_PSC_BASE
&pbdb_smbus_device,
diff --git a/arch/mips/au1000/pb1200/platform.c b/arch/mips/au1000/pb1200/platform.c
index 5930110..f329a38 100644
--- a/arch/mips/au1000/pb1200/platform.c
+++ b/arch/mips/au1000/pb1200/platform.c
@@ -22,6 +22,66 @@
#include <linux/platform_device.h>
#include <asm/mach-au1x00/au1xxx.h>
+#include <asm/mach-au1x00/au1100_mmc.h>
+
+static void pb1200mmc0_set_power(void *mmc_host, int state)
+{
+ if (state)
+ bcsr->board |= BCSR_BOARD_SD0PWR;
+ else
+ bcsr->board &= ~BCSR_BOARD_SD0PWR;
+
+ au_sync_delay(1);
+}
+
+static int pb1200mmc0_card_readonly(void *mmc_host)
+{
+ return (bcsr->status & BCSR_STATUS_SD0WP) ? 1 : 0;
+}
+
+static int pb1200mmc0_card_inserted(void *mmc_host)
+{
+ return (bcsr->sig_status & BCSR_INT_SD0INSERT) ? 1 : 0;
+}
+
+#ifndef CONFIG_MIPS_DB1200
+static void pb1200mmc1_set_power(void *mmc_host, int state)
+{
+ if (state)
+ bcsr->board |= BCSR_BOARD_SD1PWR;
+ else
+ bcsr->board &= ~BCSR_BOARD_SD1PWR;
+
+ au_sync_delay(1);
+}
+
+static int pb1200mmc1_card_readonly(void *mmc_host)
+{
+ return (bcsr->status & BCSR_STATUS_SD1WP) ? 1 : 0;
+}
+
+static int pb1200mmc1_card_inserted(void *mmc_host)
+{
+ return (bcsr->sig_status & BCSR_INT_SD1INSERT) ? 1 : 0;
+}
+#endif
+
+const struct au1xmmc_platform_data au1xmmc_platdata[2] = {
+ [0] = {
+ .set_power = pb1200mmc0_set_power,
+ .card_inserted = pb1200mmc0_card_inserted,
+ .card_readonly = pb1200mmc0_card_readonly,
+ .cd_setup = NULL, /* use poll-timer in driver */
+ },
+#ifndef CONFIG_MIPS_DB1200
+ [1] = {
+ .set_power = pb1200mmc1_set_power,
+ .card_inserted = pb1200mmc1_card_inserted,
+ .card_readonly = pb1200mmc1_card_readonly,
+ .cd_setup = NULL, /* use poll-timer in driver */
+ },
+#endif
+};
static struct resource ide_resources[] = {
[0] = {
--
1.5.5.1
--
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