Prepare for 2.6.22.1 kernel

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8212 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 0 insertions, 424 deletions

diff --git a/target/linux/at91-2.6/patches/012-at91-mmcfix.patch b/target/linux/at91-2.6/patches/012-at91-mmcfix.patch
deleted file mode 100644
index e8991ae61..000000000
--- a/target/linux/at91-2.6/patches/012-at91-mmcfix.patch
+++ /dev/null
@@ -1,424 +0,0 @@
---- linux-2.6.21.1.old/drivers/mmc/at91_mci.c	2007-06-05 09:08:57.000000000 +0200
-+++ linux-2.6.21.1/drivers/mmc/at91_mci.c	2007-06-05 10:59:11.000000000 +0200
-@@ -79,7 +79,8 @@
- 
- #define DRIVER_NAME "at91_mci"
- 
--#undef	SUPPORT_4WIRE
-+//#undef	SUPPORT_4WIRE
-+#define 	SUPPORT_4WIRE
- 
- #define FL_SENT_COMMAND	(1 << 0)
- #define FL_SENT_STOP	(1 << 1)
-@@ -132,7 +133,7 @@
- /*
-  * Copy from sg to a dma block - used for transfers
-  */
--static inline void at91mci_sg_to_dma(struct at91mci_host *host, struct mmc_data *data)
-+static inline void at91_mci_sg_to_dma(struct at91mci_host *host, struct mmc_data *data)
- {
- 	unsigned int len, i, size;
- 	unsigned *dmabuf = host->buffer;
-@@ -181,7 +182,7 @@
- /*
-  * Prepare a dma read
-  */
--static void at91mci_pre_dma_read(struct at91mci_host *host)
-+static void at91_mci_pre_dma_read(struct at91mci_host *host)
- {
- 	int i;
- 	struct scatterlist *sg;
-@@ -249,23 +250,24 @@
- /*
-  * Handle after a dma read
-  */
--static void at91mci_post_dma_read(struct at91mci_host *host)
-+static int at91_mci_post_dma_read(struct at91mci_host *host)
- {
- 	struct mmc_command *cmd;
- 	struct mmc_data *data;
-+	int completed = 0;
- 
- 	pr_debug("post dma read\n");
- 
- 	cmd = host->cmd;
- 	if (!cmd) {
- 		pr_debug("no command\n");
--		return;
-+		return 1;
- 	}
- 
- 	data = cmd->data;
- 	if (!data) {
- 		pr_debug("no data\n");
--		return;
-+		return 1;
- 	}
- 
- 	while (host->in_use_index < host->transfer_index) {
-@@ -300,39 +302,14 @@
- 
- 	/* Is there another transfer to trigger? */
- 	if (host->transfer_index < data->sg_len)
--		at91mci_pre_dma_read(host);
-+		at91_mci_pre_dma_read(host);
- 	else {
-+		at91_mci_write(host, AT91_MCI_IDR, AT91_MCI_ENDRX);
- 		at91_mci_write(host, AT91_MCI_IER, AT91_MCI_RXBUFF);
--		at91_mci_write(host, ATMEL_PDC_PTCR, ATMEL_PDC_RXTDIS | ATMEL_PDC_TXTDIS);
- 	}
- 
- 	pr_debug("post dma read done\n");
--}
--
--/*
-- * Handle transmitted data
-- */
--static void at91_mci_handle_transmitted(struct at91mci_host *host)
--{
--	struct mmc_command *cmd;
--	struct mmc_data *data;
--
--	pr_debug("Handling the transmit\n");
--
--	/* Disable the transfer */
--	at91_mci_write(host, ATMEL_PDC_PTCR, ATMEL_PDC_RXTDIS | ATMEL_PDC_TXTDIS);
--
--	/* Now wait for cmd ready */
--	at91_mci_write(host, AT91_MCI_IDR, AT91_MCI_TXBUFE);
--	at91_mci_write(host, AT91_MCI_IER, AT91_MCI_NOTBUSY);
--
--	cmd = host->cmd;
--	if (!cmd) return;
--
--	data = cmd->data;
--	if (!data) return;
--
--	data->bytes_xfered = host->total_length;
-+	return completed;
- }
- 
- /*
-@@ -340,10 +317,17 @@
-  */
- static void at91_mci_enable(struct at91mci_host *host)
- {
-+	unsigned int mr;
-+
- 	at91_mci_write(host, AT91_MCI_CR, AT91_MCI_MCIEN);
- 	at91_mci_write(host, AT91_MCI_IDR, 0xffffffff);
- 	at91_mci_write(host, AT91_MCI_DTOR, AT91_MCI_DTOMUL_1M | AT91_MCI_DTOCYC);
--	at91_mci_write(host, AT91_MCI_MR, AT91_MCI_PDCMODE | 0x34a);
-+	mr = AT91_MCI_PDCMODE | 0x34a;
-+
-+	if (cpu_is_at91sam9260() || cpu_is_at91sam9263())
-+		mr |= AT91_MCI_RDPROOF | AT91_MCI_WRPROOF;
-+
-+	at91_mci_write(host, AT91_MCI_MR, mr);
- 
- 	/* use Slot A or B (only one at same time) */
- 	at91_mci_write(host, AT91_MCI_SDCR, host->board->slot_b);
-@@ -359,9 +343,8 @@
- 
- /*
-  * Send a command
-- * return the interrupts to enable
-  */
--static unsigned int at91_mci_send_command(struct at91mci_host *host, struct mmc_command *cmd)
-+static void at91_mci_send_command(struct at91mci_host *host, struct mmc_command *cmd)
- {
- 	unsigned int cmdr, mr;
- 	unsigned int block_length;
-@@ -372,8 +355,7 @@
- 
- 	host->cmd = cmd;
- 
--	/* Not sure if this is needed */
--#if 0
-+	/* Needed for leaving busy state before CMD1 */
- 	if ((at91_mci_read(host, AT91_MCI_SR) & AT91_MCI_RTOE) && (cmd->opcode == 1)) {
- 		pr_debug("Clearing timeout\n");
- 		at91_mci_write(host, AT91_MCI_ARGR, 0);
-@@ -383,7 +365,7 @@
- 			pr_debug("Clearing: SR = %08X\n", at91_mci_read(host, AT91_MCI_SR));
- 		}
- 	}
--#endif
-+
- 	cmdr = cmd->opcode;
- 
- 	if (mmc_resp_type(cmd) == MMC_RSP_NONE)
-@@ -440,50 +422,48 @@
- 		at91_mci_write(host, ATMEL_PDC_TCR, 0);
- 		at91_mci_write(host, ATMEL_PDC_TNPR, 0);
- 		at91_mci_write(host, ATMEL_PDC_TNCR, 0);
-+		ier = AT91_MCI_CMDRDY;
-+	} else {
-+		/* zero block length in PDC mode */
-+		mr = at91_mci_read(host, AT91_MCI_MR) & 0x7fff;
-+		at91_mci_write(host, AT91_MCI_MR, mr | (block_length << 16) | AT91_MCI_PDCMODE);
-+
-+		/*
-+		 * Disable the PDC controller
-+		 */
-+		at91_mci_write(host, ATMEL_PDC_PTCR, ATMEL_PDC_RXTDIS | ATMEL_PDC_TXTDIS);
- 
--		at91_mci_write(host, AT91_MCI_ARGR, cmd->arg);
--		at91_mci_write(host, AT91_MCI_CMDR, cmdr);
--		return AT91_MCI_CMDRDY;
--	}
--
--	mr = at91_mci_read(host, AT91_MCI_MR) & 0x7fff;	/* zero block length and PDC mode */
--	at91_mci_write(host, AT91_MCI_MR, mr | (block_length << 16) | AT91_MCI_PDCMODE);
--
--	/*
--	 * Disable the PDC controller
--	 */
--	at91_mci_write(host, ATMEL_PDC_PTCR, ATMEL_PDC_RXTDIS | ATMEL_PDC_TXTDIS);
--
--	if (cmdr & AT91_MCI_TRCMD_START) {
--		data->bytes_xfered = 0;
--		host->transfer_index = 0;
--		host->in_use_index = 0;
--		if (cmdr & AT91_MCI_TRDIR) {
--			/*
--			 * Handle a read
--			 */
--			host->buffer = NULL;
--			host->total_length = 0;
-+		if (cmdr & AT91_MCI_TRCMD_START) {
-+			data->bytes_xfered = 0;
-+			host->transfer_index = 0;
-+			host->in_use_index = 0;
-+			if (cmdr & AT91_MCI_TRDIR) {
-+				/*
-+				 * Handle a read
-+				 */
-+				host->buffer = NULL;
-+				host->total_length = 0;
- 
--			at91mci_pre_dma_read(host);
--			ier = AT91_MCI_ENDRX /* | AT91_MCI_RXBUFF */;
--		}
--		else {
--			/*
--			 * Handle a write
--			 */
--			host->total_length = block_length * blocks;
--			host->buffer = dma_alloc_coherent(NULL,
--						  host->total_length,
--						  &host->physical_address, GFP_KERNEL);
--
--			at91mci_sg_to_dma(host, data);
--
--			pr_debug("Transmitting %d bytes\n", host->total_length);
--
--			at91_mci_write(host, ATMEL_PDC_TPR, host->physical_address);
--			at91_mci_write(host, ATMEL_PDC_TCR, host->total_length / 4);
--			ier = AT91_MCI_TXBUFE;
-+				at91_mci_pre_dma_read(host);
-+				ier = AT91_MCI_ENDRX /* | AT91_MCI_RXBUFF */;
-+			}
-+			else {
-+				/*
-+			 	* Handle a write
-+			 	*/
-+				host->total_length = block_length * blocks;
-+				host->buffer = dma_alloc_coherent(NULL,
-+							host->total_length,
-+							&host->physical_address, GFP_KERNEL);
-+
-+				at91_mci_sg_to_dma(host, data);
-+
-+				pr_debug("Transmitting %d bytes\n", host->total_length);
-+
-+				at91_mci_write(host, ATMEL_PDC_TPR, host->physical_address);
-+				at91_mci_write(host, ATMEL_PDC_TCR, host->total_length / 4);
-+				ier = AT91_MCI_CMDRDY;
-+			}
- 		}
- 	}
- 
-@@ -498,39 +478,24 @@
- 	if (cmdr & AT91_MCI_TRCMD_START) {
- 		if (cmdr & AT91_MCI_TRDIR)
- 			at91_mci_write(host, ATMEL_PDC_PTCR, ATMEL_PDC_RXTEN);
--		else
--			at91_mci_write(host, ATMEL_PDC_PTCR, ATMEL_PDC_TXTEN);
- 	}
--	return ier;
--}
- 
--/*
-- * Wait for a command to complete
-- */
--static void at91mci_process_command(struct at91mci_host *host, struct mmc_command *cmd)
--{
--	unsigned int ier;
--
--	ier = at91_mci_send_command(host, cmd);
--
--	pr_debug("setting ier to %08X\n", ier);
--
--	/* Stop on errors or the required value */
-+	/* Enable selected interrupts */
- 	at91_mci_write(host, AT91_MCI_IER, AT91_MCI_ERRORS | ier);
- }
- 
- /*
-  * Process the next step in the request
-  */
--static void at91mci_process_next(struct at91mci_host *host)
-+static void at91_mci_process_next(struct at91mci_host *host)
- {
- 	if (!(host->flags & FL_SENT_COMMAND)) {
- 		host->flags |= FL_SENT_COMMAND;
--		at91mci_process_command(host, host->request->cmd);
-+		at91_mci_send_command(host, host->request->cmd);
- 	}
- 	else if ((!(host->flags & FL_SENT_STOP)) && host->request->stop) {
- 		host->flags |= FL_SENT_STOP;
--		at91mci_process_command(host, host->request->stop);
-+		at91_mci_send_command(host, host->request->stop);
- 	}
- 	else
- 		mmc_request_done(host->mmc, host->request);
-@@ -539,7 +504,7 @@
- /*
-  * Handle a command that has been completed
-  */
--static void at91mci_completed_command(struct at91mci_host *host)
-+static void at91_mci_completed_command(struct at91mci_host *host)
- {
- 	struct mmc_command *cmd = host->cmd;
- 	unsigned int status;
-@@ -583,7 +548,7 @@
- 	else
- 		cmd->error = MMC_ERR_NONE;
- 
--	at91mci_process_next(host);
-+	at91_mci_process_next(host);
- }
- 
- /*
-@@ -595,7 +560,60 @@
- 	host->request = mrq;
- 	host->flags = 0;
- 
--	at91mci_process_next(host);
-+	at91_mci_process_next(host);
-+}
-+
-+/*
-+ * Handle transmitted data
-+ */
-+static void at91_mci_handle_transmitted(struct at91mci_host *host)
-+{
-+	struct mmc_command *cmd;
-+	struct mmc_data *data;
-+
-+	pr_debug("Handling the transmit\n");
-+
-+	/* Disable the transfer */
-+	at91_mci_write(host, ATMEL_PDC_PTCR, ATMEL_PDC_RXTDIS | ATMEL_PDC_TXTDIS);
-+
-+	/* Now wait for cmd ready */
-+	at91_mci_write(host, AT91_MCI_IDR, AT91_MCI_TXBUFE);
-+
-+	cmd = host->cmd;
-+	if (!cmd) return;
-+
-+	data = cmd->data;
-+	if (!data) return;
-+
-+	if (cmd->opcode == MMC_WRITE_MULTIPLE_BLOCK) {
-+		pr_debug("multiple write : wait for BLKE...\n");
-+		at91_mci_write(host, AT91_MCI_IER, AT91_MCI_BLKE);
-+	} else
-+		at91_mci_write(host, AT91_MCI_IER, AT91_MCI_NOTBUSY);
-+
-+	data->bytes_xfered = host->total_length;
-+}
-+
-+
-+/*Handle after command sent ready*/
-+static int at91_mci_handle_cmdrdy(struct at91mci_host *host)
-+{
-+	if (!host->cmd)
-+		return 1;
-+	else if (!host->cmd->data) {
-+		if (host->flags & FL_SENT_STOP) {
-+			/*After multi block write, we mus wait for NOTBUSY*/
-+			at91_mci_write(host, AT91_MCI_IER, AT91_MCI_NOTBUSY);
-+		} else return 1;
-+	} else if (host->cmd->data->flags & MMC_DATA_WRITE) {
-+		/*After sending multi-block-write command, start DMA transfer*/
-+		at91_mci_write(host, AT91_MCI_IER, AT91_MCI_TXBUFE);
-+		at91_mci_write(host, AT91_MCI_IER, AT91_MCI_BLKE);
-+		at91_mci_write(host, ATMEL_PDC_PTCR, ATMEL_PDC_TXTEN);
-+	}
-+
-+	/* command not completed, have to wait */
-+	return 0;
- }
- 
- /*
-@@ -698,29 +716,33 @@
- 			at91_mci_handle_transmitted(host);
- 		}
- 
-+		if (int_status & AT91_MCI_ENDRX) {
-+			pr_debug("ENDRX\n");
-+			at91_mci_post_dma_read(host);
-+		}
-+
- 		if (int_status & AT91_MCI_RXBUFF) {
- 			pr_debug("RX buffer full\n");
--			at91_mci_write(host, AT91_MCI_IER, AT91_MCI_CMDRDY);
-+			at91_mci_write(host, ATMEL_PDC_PTCR, ATMEL_PDC_RXTDIS | ATMEL_PDC_TXTDIS);
-+			at91_mci_write(host, AT91_MCI_IDR, AT91_MCI_RXBUFF | AT91_MCI_ENDRX);
-+			completed = 1;
- 		}
- 
- 		if (int_status & AT91_MCI_ENDTX)
- 			pr_debug("Transmit has ended\n");
- 
--		if (int_status & AT91_MCI_ENDRX) {
--			pr_debug("Receive has ended\n");
--			at91mci_post_dma_read(host);
--		}
--
- 		if (int_status & AT91_MCI_NOTBUSY) {
- 			pr_debug("Card is ready\n");
--			at91_mci_write(host, AT91_MCI_IER, AT91_MCI_CMDRDY);
-+			completed = 1;
- 		}
- 
- 		if (int_status & AT91_MCI_DTIP)
- 			pr_debug("Data transfer in progress\n");
- 
--		if (int_status & AT91_MCI_BLKE)
-+		if (int_status & AT91_MCI_BLKE) {
- 			pr_debug("Block transfer has ended\n");
-+			completed = 1;
-+		}
- 
- 		if (int_status & AT91_MCI_TXRDY)
- 			pr_debug("Ready to transmit\n");
-@@ -730,14 +752,14 @@
- 
- 		if (int_status & AT91_MCI_CMDRDY) {
- 			pr_debug("Command ready\n");
--			completed = 1;
-+			completed = at91_mci_handle_cmdrdy(host);
- 		}
- 	}
- 
- 	if (completed) {
- 		pr_debug("Completed command\n");
- 		at91_mci_write(host, AT91_MCI_IDR, 0xffffffff);
--		at91mci_completed_command(host);
-+		at91_mci_completed_command(host);
- 	} else
- 		at91_mci_write(host, AT91_MCI_IDR, int_status);
-