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changes to make sync mini and loader/sdhc.c

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bushing 2009-05-08 02:42:51 -07:00
parent fe7bcef787
commit 84f89611b8
1 changed files with 34 additions and 13 deletions
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47
sdhc.c
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@ -29,12 +29,18 @@
#include "sdmmc.h" #include "sdmmc.h"
#include "gecko.h" #include "gecko.h"
#include "string.h" #include "string.h"
#include "irq.h"
#include "utils.h"
#include "ipc.h"
#include "memory.h" #include "memory.h"
#include "utils.h"
//#define SDHC_DEBUG 1 #ifdef CAN_HAZ_IRQ
#include "irq.h"
#endif
#ifdef CAN_HAZ_IPC
#include "ipc.h"
#endif
#define SDHC_DEBUG 1
#define SDHC_COMMAND_TIMEOUT 0 #define SDHC_COMMAND_TIMEOUT 0
#define SDHC_BUFFER_TIMEOUT 0 #define SDHC_BUFFER_TIMEOUT 0
@ -179,7 +185,7 @@ sdhc_host_found(struct sdhc_softc *sc, bus_space_tag_t iot,
#ifdef SDHC_DEBUG #ifdef SDHC_DEBUG
u_int16_t version; u_int16_t version;
version = bus_space_read_2(iot, ioh, SDHC_HOST_CTL_VERSION); version = bus_space_read_2(ioh, SDHC_HOST_CTL_VERSION);
gecko_printf("%s: SD Host Specification/Vendor Version ", gecko_printf("%s: SD Host Specification/Vendor Version ",
sc->sc_dev.dv_xname); sc->sc_dev.dv_xname);
switch(SDHC_SPEC_VERSION(version)) { switch(SDHC_SPEC_VERSION(version)) {
@ -331,6 +337,7 @@ sdhc_power(int why, void *arg)
} }
#endif #endif
#ifndef LOADER
/* /*
* Shutdown hook established by or called from attachment driver. * Shutdown hook established by or called from attachment driver.
*/ */
@ -347,6 +354,7 @@ sdhc_shutdown(void *arg)
(void)sdhc_host_reset(hp); (void)sdhc_host_reset(hp);
} }
} }
#endif
/* /*
* Reset the host controller. Called during initialization, when * Reset the host controller. Called during initialization, when
@ -572,7 +580,7 @@ sdhc_wait_state(struct sdhc_host *hp, u_int32_t mask, u_int32_t value)
u_int32_t state; u_int32_t state;
int timeout; int timeout;
for (timeout = 10; timeout > 0; timeout--) { for (timeout = 500; timeout > 0; timeout--) {
if (((state = HREAD4(hp, SDHC_PRESENT_STATE)) & mask) if (((state = HREAD4(hp, SDHC_PRESENT_STATE)) & mask)
== value) == value)
return 0; return 0;
@ -731,7 +739,7 @@ sdhc_start_command(struct sdhc_host *hp, struct sdmmc_command *cmd)
dc_flushrange(cmd->c_data, cmd->c_datalen); dc_flushrange(cmd->c_data, cmd->c_datalen);
ahb_flush_to(AHB_SDHC); ahb_flush_to(AHB_SDHC);
} }
HWRITE4(hp, SDHC_DMA_ADDR, dma_addr(cmd->c_data)); HWRITE4(hp, SDHC_DMA_ADDR, (u32)cmd->c_data);
} }
DPRINTF(1,("%s: cmd=%#x mode=%#x blksize=%d blkcount=%d\n", DPRINTF(1,("%s: cmd=%#x mode=%#x blksize=%d blkcount=%d\n",
@ -775,6 +783,7 @@ sdhc_transfer_data(struct sdhc_host *hp, struct sdmmc_command *cmd)
SDHC_DMA_INTERRUPT, SDHC_DMA_INTERRUPT,
SDHC_TRANSFER_TIMEOUT); SDHC_TRANSFER_TIMEOUT);
if (!status) { if (!status) {
gecko_printf("DMA timeout %08x\n", status);
error = ETIMEDOUT; error = ETIMEDOUT;
break; break;
} }
@ -785,8 +794,7 @@ sdhc_transfer_data(struct sdhc_host *hp, struct sdmmc_command *cmd)
left)); left));
// FIXME: why do we need -0x200 here? // FIXME: why do we need -0x200 here?
cmd->c_buf = cmd->c_data + cmd->c_datalen - left*512 - 0x200; cmd->c_buf = cmd->c_data + cmd->c_datalen - left*512 - 0x200;
HWRITE4(hp, SDHC_DMA_ADDR, HWRITE4(hp, SDHC_DMA_ADDR, (u32)cmd->c_buf);
dma_addr(cmd->c_buf));
continue; continue;
} }
if (ISSET(status, SDHC_TRANSFER_COMPLETE)) { if (ISSET(status, SDHC_TRANSFER_COMPLETE)) {
@ -849,12 +857,12 @@ sdhc_transfer_data(struct sdhc_host *hp, struct sdmmc_command *cmd)
#endif #endif
} }
#if 0
void void
sdhc_read_data(struct sdhc_host *hp, u_char *datap, int datalen) sdhc_read_data(struct sdhc_host *hp, u_char *datap, int datalen)
{ {
while (datalen > 3) { while (datalen > 3) {
*(u_int32_t *)datap = HREAD4(hp, SDHC_DATA); *(u_int32_t *)datap = HREAD4(hp, SDHC_DATA);
gecko_printf("next_data: %08x\n", *datap);
datap += 4; datap += 4;
datalen -= 4; datalen -= 4;
udelay(1000); udelay(1000);
@ -887,6 +895,7 @@ sdhc_write_data(struct sdhc_host *hp, u_char *datap, int datalen)
HWRITE4(hp, SDHC_DATA, rv); HWRITE4(hp, SDHC_DATA, rv);
} }
} }
#endif
/* Prepare for another command. */ /* Prepare for another command. */
int int
@ -922,19 +931,23 @@ sdhc_wait_intr(struct sdhc_host *hp, int mask, int timo)
status = hp->intr_status & mask; status = hp->intr_status & mask;
for (timo = 500; timo > 0; timo--) {
for (timo = 5000; timo > 0; timo--) {
#ifndef CAN_HAZ_IRQ
sdhc_irq(); // seems backwards but ok
#endif
if (hp->intr_status != 0) { if (hp->intr_status != 0) {
status = hp->intr_status & mask; status = hp->intr_status & mask;
break; break;
} }
sdmmc_delay(1000); udelay(1000);
} }
if (timo == 0) { if (timo == 0) {
status |= SDHC_ERROR_INTERRUPT; status |= SDHC_ERROR_INTERRUPT;
} }
hp->intr_status &= ~status; hp->intr_status &= ~status;
DPRINTF(2,("%s: intr status %#x error %#x\n", HDEVNAME(hp), status, DPRINTF(2,("%s: timo=%d intr status %#x error %#x\n", HDEVNAME(hp), timo, status,
hp->intr_error_status)); hp->intr_error_status));
/* Command timeout has higher priority than command complete. */ /* Command timeout has higher priority than command complete. */
@ -1060,7 +1073,11 @@ sdhc_dump_regs(struct sdhc_host *hp)
#endif #endif
#include "hollywood.h" #include "hollywood.h"
#ifdef LOADER
static struct sdhc_softc __softc;
#else
static struct sdhc_softc __softc MEM2_BSS; static struct sdhc_softc __softc MEM2_BSS;
#endif
void sdhc_irq(void) void sdhc_irq(void)
{ {
@ -1069,13 +1086,16 @@ void sdhc_irq(void)
void sdhc_init(void) void sdhc_init(void)
{ {
#ifdef CAN_HAZ_IRQ
irq_enable(IRQ_SDHC); irq_enable(IRQ_SDHC);
#endif
memset(&__softc, 0, sizeof(__softc)); memset(&__softc, 0, sizeof(__softc));
sdhc_host_found(&__softc, 0, SDHC_REG_BASE, 1); sdhc_host_found(&__softc, 0, SDHC_REG_BASE, 1);
// sdhc_host_found(&__softc, 0, SDHC_REG_BASE + 0x100, 1); // sdhc_host_found(&__softc, 0, SDHC_REG_BASE + 0x100, 1);
// sdhc_host_found(&__softc, 0, 0x0d080000, 1); // sdhc_host_found(&__softc, 0, 0x0d080000, 1);
} }
#ifdef CAN_HAZ_IPC
void sdhc_ipc(volatile ipc_request *req) void sdhc_ipc(volatile ipc_request *req)
{ {
switch (req->req) { switch (req->req) {
@ -1084,3 +1104,4 @@ void sdhc_ipc(volatile ipc_request *req)
break; break;
} }
} }
#endif