Re: [PATCH 2/8] Alchemy: register mmc platform device fordb1200/pb1200 boards.
From: Manuel Lauss
Date: Fri Jun 20 2008 - 12:12:52 EST
Hello Pierre,
On Fri, Jun 20, 2008 at 05:46:07PM +0200, Pierre Ossman wrote:
> On Thu, 12 Jun 2008 15:58:10 +0200
> Manuel Lauss <mano@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> > On Thu, Jun 12, 2008 at 02:47:30PM +0100, Ralf Baechle wrote:
> > > On Thu, Jun 12, 2008 at 03:42:48PM +0200, Pierre Ossman wrote:
> > >
> > > >
> > > > How's the dependency issue though? Will this series be bisectable in my
> > > > tree?
> > >
> > > If we're only talking about a build, there should be no dependencies
> > > between the Alchemy and the MMC parts of the series. The Alchemy part
> > > sorts the device registration and that's a separate construction site
> > > from the rest. Of course with only one applied things won't work
> > > terribly well but that would only be temporarily.
> >
> > FWIW, I build tested-tested the DB1200 defconfig after each patch applied.
> > As Ralf said, patch 1 alone isn't terribly useful on it, but it should work.
> >
>
> This patch does not apply against HEAD. Are you sure there aren't any
> dependencies on what Ralf has in his tree? If so, perhaps this should
> be in the MIPS tree.
It was broken by commit dab8c6deaf1d654d09c3de8bd4c286d424df255a which went
in this week; here's another updated version of [PATCH 2/8].
Thanks!
Manuel Lauss
---
From: Manuel Lauss <mano@xxxxxxxxxxxxxxxxxxxxxxx>
Add au1xmmc platform data for PB1200/DB1200 boards and wire up
the 2 SD controllers for them.
Signed-off-by: Manuel Lauss <mano@xxxxxxxxxxxxxxxxxxxxxxx>
---
arch/mips/au1000/common/platform.c | 98 +++++++++++++++++++++++++++---------
arch/mips/au1000/pb1200/platform.c | 81 +++++++++++++++++++++++++++++
2 files changed, 155 insertions(+), 24 deletions(-)
diff --git a/arch/mips/au1000/common/platform.c b/arch/mips/au1000/common/platform.c
index dc8a67e..5c76c64 100644
--- a/arch/mips/au1000/common/platform.c
+++ b/arch/mips/au1000/common/platform.c
@@ -17,6 +17,8 @@
#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) \
{ \
@@ -163,24 +165,6 @@ static struct resource au1xxx_usb_gdt_resources[] = {
},
};
-static struct resource au1xxx_mmc_resources[] = {
- [0] = {
- .start = SD0_PHYS_ADDR,
- .end = SD0_PHYS_ADDR + 0x7ffff,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = SD1_PHYS_ADDR,
- .end = SD1_PHYS_ADDR + 0x7ffff,
- .flags = IORESOURCE_MEM,
- },
- [2] = {
- .start = AU1200_SD_INT,
- .end = AU1200_SD_INT,
- .flags = IORESOURCE_IRQ,
- }
-};
-
static u64 udc_dmamask = DMA_32BIT_MASK;
static struct platform_device au1xxx_usb_gdt_device = {
@@ -249,16 +233,79 @@ static struct platform_device au1200_lcd_device = {
static u64 au1xxx_mmc_dmamask = DMA_32BIT_MASK;
-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,
+ .end = AU1200_SD_INT,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = DSCR_CMD0_SDMS_TX0,
+ .end = DSCR_CMD0_SDMS_TX0,
+ .flags = IORESOURCE_DMA,
+ },
+ [3] = {
+ .start = DSCR_CMD0_SDMS_RX0,
+ .end = DSCR_CMD0_SDMS_RX0,
+ .flags = IORESOURCE_DMA,
+ }
+};
+
+static struct platform_device au1200_mmc0_device = {
.name = "au1xxx-mmc",
.id = 0,
.dev = {
- .dma_mask = &au1xxx_mmc_dmamask,
- .coherent_dma_mask = DMA_32BIT_MASK,
+ .dma_mask = &au1xxx_mmc_dmamask,
+ .coherent_dma_mask = DMA_32BIT_MASK,
+ .platform_data = &au1xmmc_platdata[0],
},
- .num_resources = ARRAY_SIZE(au1xxx_mmc_resources),
- .resource = au1xxx_mmc_resources,
+ .num_resources = ARRAY_SIZE(au1200_mmc0_resources),
+ .resource = au1200_mmc0_resources,
};
+
+#ifndef CONFIG_MIPS_DB1200
+static struct resource au1200_mmc1_resources[] = {
+ [0] = {
+ .start = SD1_PHYS_ADDR,
+ .end = SD1_PHYS_ADDR + 0x7ffff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AU1200_SD_INT,
+ .end = AU1200_SD_INT,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = DSCR_CMD0_SDMS_TX1,
+ .end = DSCR_CMD0_SDMS_TX1,
+ .flags = IORESOURCE_DMA,
+ },
+ [3] = {
+ .start = DSCR_CMD0_SDMS_RX1,
+ .end = DSCR_CMD0_SDMS_RX1,
+ .flags = IORESOURCE_DMA,
+ }
+};
+
+static struct platform_device au1200_mmc1_device = {
+ .name = "au1xxx-mmc",
+ .id = 1,
+ .dev = {
+ .dma_mask = &au1xxx_mmc_dmamask,
+ .coherent_dma_mask = DMA_32BIT_MASK,
+ .platform_data = &au1xmmc_platdata[1],
+ },
+ .num_resources = ARRAY_SIZE(au1200_mmc1_resources),
+ .resource = au1200_mmc1_resources,
+};
+#endif /* #ifndef CONFIG_MIPS_DB1200 */
#endif /* #ifdef CONFIG_SOC_AU1200 */
static struct platform_device au1x00_pcmcia_device = {
@@ -296,7 +343,10 @@ 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,
+#ifndef CONFIG_MIPS_DB1200
+ &au1200_mmc1_device,
+#endif
#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 f8fb0ae..878b780 100644
--- a/arch/mips/au1000/pb1200/platform.c
+++ b/arch/mips/au1000/pb1200/platform.c
@@ -20,9 +20,90 @@
#include <linux/dma-mapping.h>
#include <linux/init.h>
+#include <linux/leds.h>
#include <linux/platform_device.h>
#include <asm/mach-au1x00/au1xxx.h>
+#include <asm/mach-au1x00/au1100_mmc.h>
+
+static int mmc_activity;
+
+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;
+}
+
+static void pb1200_mmcled_set(struct led_classdev *led,
+ enum led_brightness brightness)
+{
+ if (brightness != LED_OFF) {
+ if (++mmc_activity == 1)
+ bcsr->disk_leds &= ~(1 << 8);
+ } else {
+ if (--mmc_activity == 0)
+ bcsr->disk_leds |= (1 << 8);
+ }
+}
+
+static struct led_classdev pb1200mmc_led = {
+ .brightness_set = pb1200_mmcled_set,
+};
+
+#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 */
+ .led = &pb1200mmc_led,
+ },
+#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 */
+ .led = &pb1200mmc_led,
+ },
+#endif
+};
static struct resource ide_resources[] = {
[0] = {
--
1.5.5.4
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