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authorDmitry Eremin-Solenikov <dbaryshkov@gmail.com>2011-03-04 03:54:59 +0300
committerAndrzej Zaborowski <balrog@zabor.org>2011-03-10 03:38:13 +0100
commitb651fc6fd89365d0cdeb923e69be5611c43cbbe8 (patch)
treeec2d133f70a5f784405eec9c93b5e0c50f16fecb /hw
parent95499a1d28f1f6255d7d74d2aaeaa2e7447b2b26 (diff)
mainstone: PCMCIA support
Extend mst_fpga and mainstone with logic to support PCMCIA attachment (IRQs, status regs). Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
Diffstat (limited to 'hw')
-rw-r--r--hw/mainstone.c7
-rw-r--r--hw/mst_fpga.c29
2 files changed, 34 insertions, 2 deletions
diff --git a/hw/mainstone.c b/hw/mainstone.c
index 8970dd8e41..50691ca41e 100644
--- a/hw/mainstone.c
+++ b/hw/mainstone.c
@@ -149,6 +149,13 @@ static void mainstone_common_init(ram_addr_t ram_size,
/* MMC/SD host */
pxa2xx_mmci_handlers(cpu->mmc, NULL, qdev_get_gpio_in(mst_irq, MMC_IRQ));
+ pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[0],
+ qdev_get_gpio_in(mst_irq, S0_IRQ),
+ qdev_get_gpio_in(mst_irq, S0_CD_IRQ));
+ pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[1],
+ qdev_get_gpio_in(mst_irq, S1_IRQ),
+ qdev_get_gpio_in(mst_irq, S1_CD_IRQ));
+
smc91c111_init(&nd_table[0], MST_ETH_PHYS,
qdev_get_gpio_in(mst_irq, ETHERNET_IRQ));
diff --git a/hw/mst_fpga.c b/hw/mst_fpga.c
index 407bac9716..a04355cc7f 100644
--- a/hw/mst_fpga.c
+++ b/hw/mst_fpga.c
@@ -26,6 +26,12 @@
#define MST_PCMCIA0 0xe0
#define MST_PCMCIA1 0xe4
+#define MST_PCMCIAx_READY (1 << 10)
+#define MST_PCMCIAx_nCD (1 << 5)
+
+#define MST_PCMCIA_CD0_IRQ 9
+#define MST_PCMCIA_CD1_IRQ 13
+
typedef struct mst_irq_state{
SysBusDevice busdev;
@@ -57,6 +63,21 @@ mst_fpga_set_irq(void *opaque, int irq, int level)
else
s->prev_level &= ~(1u << irq);
+ switch(irq) {
+ case MST_PCMCIA_CD0_IRQ:
+ if (level)
+ s->pcmcia0 &= ~MST_PCMCIAx_nCD;
+ else
+ s->pcmcia0 |= MST_PCMCIAx_nCD;
+ break;
+ case MST_PCMCIA_CD1_IRQ:
+ if (level)
+ s->pcmcia1 &= ~MST_PCMCIAx_nCD;
+ else
+ s->pcmcia1 |= MST_PCMCIAx_nCD;
+ break;
+ }
+
if ((s->intmskena & (1u << irq)) && level)
s->intsetclr |= 1u << irq;
@@ -141,11 +162,12 @@ mst_fpga_writeb(void *opaque, target_phys_addr_t addr, uint32_t value)
s->intsetclr = (value & 0xFEEFF);
qemu_set_irq(s->parent, s->intsetclr & s->intmskena);
break;
+ /* For PCMCIAx allow the to change only power and reset */
case MST_PCMCIA0:
- s->pcmcia0 = value;
+ s->pcmcia0 = (value & 0x1f) | (s->pcmcia0 & ~0x1f);
break;
case MST_PCMCIA1:
- s->pcmcia1 = value;
+ s->pcmcia1 = (value & 0x1f) | (s->pcmcia1 & ~0x1f);
break;
default:
printf("Mainstone - mst_fpga_writeb: Bad register offset "
@@ -180,6 +202,9 @@ static int mst_fpga_init(SysBusDevice *dev)
s = FROM_SYSBUS(mst_irq_state, dev);
+ s->pcmcia0 = MST_PCMCIAx_READY | MST_PCMCIAx_nCD;
+ s->pcmcia1 = MST_PCMCIAx_READY | MST_PCMCIAx_nCD;
+
sysbus_init_irq(dev, &s->parent);
/* alloc the external 16 irqs */