aboutsummaryrefslogtreecommitdiff
path: root/drivers/serial
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/serial')
-rw-r--r--drivers/serial/8250.c4
-rw-r--r--drivers/serial/cpm_uart/cpm_uart_core.c24
-rw-r--r--drivers/serial/cpm_uart/cpm_uart_cpm2.c143
-rw-r--r--drivers/serial/cpm_uart/cpm_uart_cpm2.h2
4 files changed, 109 insertions, 64 deletions
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 0ae9ced00ed..10c2daab99a 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -320,8 +320,8 @@ static unsigned int serial_in(struct uart_8250_port *up, int offset)
case UPIO_TSI:
if (offset == UART_IIR) {
- tmp = readl((u32 *)(up->port.membase + UART_RX));
- return (cpu_to_le32(tmp) >> 8) & 0xff;
+ tmp = readl(up->port.membase + (UART_IIR & ~3));
+ return (tmp >> 16) & 0xff; /* UART_IIR % 4 == 2 */
} else
return readb(up->port.membase + offset);
diff --git a/drivers/serial/cpm_uart/cpm_uart_core.c b/drivers/serial/cpm_uart/cpm_uart_core.c
index 90ff96e3339..a0d6136deb9 100644
--- a/drivers/serial/cpm_uart/cpm_uart_core.c
+++ b/drivers/serial/cpm_uart/cpm_uart_core.c
@@ -46,6 +46,7 @@
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/delay.h>
+#include <asm/fs_pd.h>
#if defined(CONFIG_SERIAL_CPM_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
#define SUPPORT_SYSRQ
@@ -1022,15 +1023,17 @@ int cpm_uart_drv_get_platform_data(struct platform_device *pdev, int is_con)
{
struct resource *r;
struct fs_uart_platform_info *pdata = pdev->dev.platform_data;
- int idx = pdata->fs_no; /* It is UART_SMCx or UART_SCCx index */
+ int idx; /* It is UART_SMCx or UART_SCCx index */
struct uart_cpm_port *pinfo;
int line;
u32 mem, pram;
+ idx = pdata->fs_no = fs_uart_get_id(pdata);
+
line = cpm_uart_id2nr(idx);
if(line < 0) {
printk(KERN_ERR"%s(): port %d is not registered", __FUNCTION__, idx);
- return -1;
+ return -EINVAL;
}
pinfo = (struct uart_cpm_port *) &cpm_uart_ports[idx];
@@ -1044,11 +1047,11 @@ int cpm_uart_drv_get_platform_data(struct platform_device *pdev, int is_con)
if (!(r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs")))
return -EINVAL;
- mem = r->start;
+ mem = (u32)ioremap(r->start, r->end - r->start + 1);
if (!(r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pram")))
return -EINVAL;
- pram = r->start;
+ pram = (u32)ioremap(r->start, r->end - r->start + 1);
if(idx > fsid_smc2_uart) {
pinfo->sccp = (scc_t *)mem;
@@ -1179,7 +1182,7 @@ static int __init cpm_uart_console_setup(struct console *co, char *options)
pdata = pdev->dev.platform_data;
if (pdata)
if (pdata->init_ioports)
- pdata->init_ioports();
+ pdata->init_ioports(pdata);
cpm_uart_drv_get_platform_data(pdev, 1);
}
@@ -1189,11 +1192,7 @@ static int __init cpm_uart_console_setup(struct console *co, char *options)
if (options) {
uart_parse_options(options, &baud, &parity, &bits, &flow);
} else {
- bd_t *bd = (bd_t *) __res;
-
- if (bd->bi_baudrate)
- baud = bd->bi_baudrate;
- else
+ if ((baud = uart_baudrate()) == -1)
baud = 9600;
}
@@ -1266,13 +1265,14 @@ static int cpm_uart_drv_probe(struct device *dev)
}
pdata = pdev->dev.platform_data;
- pr_debug("cpm_uart_drv_probe: Adding CPM UART %d\n", cpm_uart_id2nr(pdata->fs_no));
if ((ret = cpm_uart_drv_get_platform_data(pdev, 0)))
return ret;
+ pr_debug("cpm_uart_drv_probe: Adding CPM UART %d\n", cpm_uart_id2nr(pdata->fs_no));
+
if (pdata->init_ioports)
- pdata->init_ioports();
+ pdata->init_ioports(pdata);
ret = uart_add_one_port(&cpm_reg, &cpm_uart_ports[pdata->fs_no].port);
diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm2.c b/drivers/serial/cpm_uart/cpm_uart_cpm2.c
index ef3bb476c43..b691d3e1475 100644
--- a/drivers/serial/cpm_uart/cpm_uart_cpm2.c
+++ b/drivers/serial/cpm_uart/cpm_uart_cpm2.c
@@ -40,6 +40,7 @@
#include <asm/io.h>
#include <asm/irq.h>
+#include <asm/fs_pd.h>
#include <linux/serial_core.h>
#include <linux/kernel.h>
@@ -50,8 +51,9 @@
void cpm_line_cr_cmd(int line, int cmd)
{
- volatile cpm_cpm2_t *cp = cpmp;
ulong val;
+ volatile cpm_cpm2_t *cp = cpm2_map(im_cpm);
+
switch (line) {
case UART_SMC1:
@@ -84,11 +86,14 @@ void cpm_line_cr_cmd(int line, int cmd)
}
cp->cp_cpcr = val;
while (cp->cp_cpcr & CPM_CR_FLG) ;
+
+ cpm2_unmap(cp);
}
void smc1_lineif(struct uart_cpm_port *pinfo)
{
- volatile iop_cpm2_t *io = &cpm2_immr->im_ioport;
+ volatile iop_cpm2_t *io = cpm2_map(im_ioport);
+ volatile cpmux_t *cpmux = cpm2_map(im_cpmux);
/* SMC1 is only on port D */
io->iop_ppard |= 0x00c00000;
@@ -97,13 +102,17 @@ void smc1_lineif(struct uart_cpm_port *pinfo)
io->iop_psord &= ~0x00c00000;
/* Wire BRG1 to SMC1 */
- cpm2_immr->im_cpmux.cmx_smr &= 0x0f;
+ cpmux->cmx_smr &= 0x0f;
pinfo->brg = 1;
+
+ cpm2_unmap(cpmux);
+ cpm2_unmap(io);
}
void smc2_lineif(struct uart_cpm_port *pinfo)
{
- volatile iop_cpm2_t *io = &cpm2_immr->im_ioport;
+ volatile iop_cpm2_t *io = cpm2_map(im_ioport);
+ volatile cpmux_t *cpmux = cpm2_map(im_cpmux);
/* SMC2 is only on port A */
io->iop_ppara |= 0x00c00000;
@@ -112,13 +121,17 @@ void smc2_lineif(struct uart_cpm_port *pinfo)
io->iop_psora &= ~0x00c00000;
/* Wire BRG2 to SMC2 */
- cpm2_immr->im_cpmux.cmx_smr &= 0xf0;
+ cpmux->cmx_smr &= 0xf0;
pinfo->brg = 2;
+
+ cpm2_unmap(cpmux);
+ cpm2_unmap(io);
}
void scc1_lineif(struct uart_cpm_port *pinfo)
{
- volatile iop_cpm2_t *io = &cpm2_immr->im_ioport;
+ volatile iop_cpm2_t *io = cpm2_map(im_ioport);
+ volatile cpmux_t *cpmux = cpm2_map(im_cpmux);
/* Use Port D for SCC1 instead of other functions. */
io->iop_ppard |= 0x00000003;
@@ -128,9 +141,12 @@ void scc1_lineif(struct uart_cpm_port *pinfo)
io->iop_pdird |= 0x00000002; /* Tx */
/* Wire BRG1 to SCC1 */
- cpm2_immr->im_cpmux.cmx_scr &= 0x00ffffff;
- cpm2_immr->im_cpmux.cmx_scr |= 0x00000000;
+ cpmux->cmx_scr &= 0x00ffffff;
+ cpmux->cmx_scr |= 0x00000000;
pinfo->brg = 1;
+
+ cpm2_unmap(cpmux);
+ cpm2_unmap(io);
}
void scc2_lineif(struct uart_cpm_port *pinfo)
@@ -143,43 +159,57 @@ void scc2_lineif(struct uart_cpm_port *pinfo)
* be supported in a sane fashion.
*/
#ifndef CONFIG_STX_GP3
- volatile iop_cpm2_t *io = &cpm2_immr->im_ioport;
+ volatile iop_cpm2_t *io = cpm2_map(im_ioport);
+ volatile cpmux_t *cpmux = cpm2_map(im_cpmux);
+
io->iop_pparb |= 0x008b0000;
io->iop_pdirb |= 0x00880000;
io->iop_psorb |= 0x00880000;
io->iop_pdirb &= ~0x00030000;
io->iop_psorb &= ~0x00030000;
#endif
- cpm2_immr->im_cpmux.cmx_scr &= 0xff00ffff;
- cpm2_immr->im_cpmux.cmx_scr |= 0x00090000;
+ cpmux->cmx_scr &= 0xff00ffff;
+ cpmux->cmx_scr |= 0x00090000;
pinfo->brg = 2;
+
+ cpm2_unmap(cpmux);
+ cpm2_unmap(io);
}
void scc3_lineif(struct uart_cpm_port *pinfo)
{
- volatile iop_cpm2_t *io = &cpm2_immr->im_ioport;
+ volatile iop_cpm2_t *io = cpm2_map(im_ioport);
+ volatile cpmux_t *cpmux = cpm2_map(im_cpmux);
+
io->iop_pparb |= 0x008b0000;
io->iop_pdirb |= 0x00880000;
io->iop_psorb |= 0x00880000;
io->iop_pdirb &= ~0x00030000;
io->iop_psorb &= ~0x00030000;
- cpm2_immr->im_cpmux.cmx_scr &= 0xffff00ff;
- cpm2_immr->im_cpmux.cmx_scr |= 0x00001200;
+ cpmux->cmx_scr &= 0xffff00ff;
+ cpmux->cmx_scr |= 0x00001200;
pinfo->brg = 3;
+
+ cpm2_unmap(cpmux);
+ cpm2_unmap(io);
}
void scc4_lineif(struct uart_cpm_port *pinfo)
{
- volatile iop_cpm2_t *io = &cpm2_immr->im_ioport;
+ volatile iop_cpm2_t *io = cpm2_map(im_ioport);
+ volatile cpmux_t *cpmux = cpm2_map(im_cpmux);
io->iop_ppard |= 0x00000600;
io->iop_psord &= ~0x00000600; /* Tx/Rx */
io->iop_pdird &= ~0x00000200; /* Rx */
io->iop_pdird |= 0x00000400; /* Tx */
- cpm2_immr->im_cpmux.cmx_scr &= 0xffffff00;
- cpm2_immr->im_cpmux.cmx_scr |= 0x0000001b;
+ cpmux->cmx_scr &= 0xffffff00;
+ cpmux->cmx_scr |= 0x0000001b;
pinfo->brg = 4;
+
+ cpm2_unmap(cpmux);
+ cpm2_unmap(io);
}
/*
@@ -254,88 +284,103 @@ void cpm_uart_freebuf(struct uart_cpm_port *pinfo)
/* Setup any dynamic params in the uart desc */
int cpm_uart_init_portdesc(void)
{
+#if defined(CONFIG_SERIAL_CPM_SMC1) || defined(CONFIG_SERIAL_CPM_SMC2)
+ u32 addr;
+#endif
pr_debug("CPM uart[-]:init portdesc\n");
cpm_uart_nr = 0;
#ifdef CONFIG_SERIAL_CPM_SMC1
- cpm_uart_ports[UART_SMC1].smcp = (smc_t *) & cpm2_immr->im_smc[0];
- cpm_uart_ports[UART_SMC1].smcup =
- (smc_uart_t *) & cpm2_immr->im_dprambase[PROFF_SMC1];
- *(u16 *)(&cpm2_immr->im_dprambase[PROFF_SMC1_BASE]) = PROFF_SMC1;
+ cpm_uart_ports[UART_SMC1].smcp = (smc_t *) cpm2_map(im_smc[0]);
cpm_uart_ports[UART_SMC1].port.mapbase =
- (unsigned long)&cpm2_immr->im_smc[0];
+ (unsigned long)cpm_uart_ports[UART_SMC1].smcp;
+
+ cpm_uart_ports[UART_SMC1].smcup =
+ (smc_uart_t *) cpm2_map_size(im_dprambase[PROFF_SMC1], PROFF_SMC_SIZE);
+ addr = (u16 *)cpm2_map_size(im_dprambase[PROFF_SMC1_BASE], 2);
+ *addr = PROFF_SMC1;
+ cpm2_unmap(addr);
+
cpm_uart_ports[UART_SMC1].smcp->smc_smcm |= (SMCM_RX | SMCM_TX);
cpm_uart_ports[UART_SMC1].smcp->smc_smcmr &= ~(SMCMR_REN | SMCMR_TEN);
- cpm_uart_ports[UART_SMC1].port.uartclk = (((bd_t *) __res)->bi_intfreq);
+ cpm_uart_ports[UART_SMC1].port.uartclk = uart_clock();
cpm_uart_port_map[cpm_uart_nr++] = UART_SMC1;
#endif
#ifdef CONFIG_SERIAL_CPM_SMC2
- cpm_uart_ports[UART_SMC2].smcp = (smc_t *) & cpm2_immr->im_smc[1];
- cpm_uart_ports[UART_SMC2].smcup =
- (smc_uart_t *) & cpm2_immr->im_dprambase[PROFF_SMC2];
- *(u16 *)(&cpm2_immr->im_dprambase[PROFF_SMC2_BASE]) = PROFF_SMC2;
+ cpm_uart_ports[UART_SMC2].smcp = (smc_t *) cpm2_map(im_smc[1]);
cpm_uart_ports[UART_SMC2].port.mapbase =
- (unsigned long)&cpm2_immr->im_smc[1];
+ (unsigned long)cpm_uart_ports[UART_SMC2].smcp;
+
+ cpm_uart_ports[UART_SMC2].smcup =
+ (smc_uart_t *) cpm2_map_size(im_dprambase[PROFF_SMC2], PROFF_SMC_SIZE);
+ addr = (u16 *)cpm2_map_size(im_dprambase[PROFF_SMC2_BASE], 2);
+ *addr = PROFF_SMC2;
+ cpm2_unmap(addr);
+
cpm_uart_ports[UART_SMC2].smcp->smc_smcm |= (SMCM_RX | SMCM_TX);
cpm_uart_ports[UART_SMC2].smcp->smc_smcmr &= ~(SMCMR_REN | SMCMR_TEN);
- cpm_uart_ports[UART_SMC2].port.uartclk = (((bd_t *) __res)->bi_intfreq);
+ cpm_uart_ports[UART_SMC2].port.uartclk = uart_clock();
cpm_uart_port_map[cpm_uart_nr++] = UART_SMC2;
#endif
#ifdef CONFIG_SERIAL_CPM_SCC1
- cpm_uart_ports[UART_SCC1].sccp = (scc_t *) & cpm2_immr->im_scc[0];
- cpm_uart_ports[UART_SCC1].sccup =
- (scc_uart_t *) & cpm2_immr->im_dprambase[PROFF_SCC1];
+ cpm_uart_ports[UART_SCC1].sccp = (scc_t *) cpm2_map(im_scc[0]);
cpm_uart_ports[UART_SCC1].port.mapbase =
- (unsigned long)&cpm2_immr->im_scc[0];
+ (unsigned long)cpm_uart_ports[UART_SCC1].sccp;
+ cpm_uart_ports[UART_SCC1].sccup =
+ (scc_uart_t *) cpm2_map_size(im_dprambase[PROFF_SCC1], PROFF_SCC_SIZE);
+
cpm_uart_ports[UART_SCC1].sccp->scc_sccm &=
~(UART_SCCM_TX | UART_SCCM_RX);
cpm_uart_ports[UART_SCC1].sccp->scc_gsmrl &=
~(SCC_GSMRL_ENR | SCC_GSMRL_ENT);
- cpm_uart_ports[UART_SCC1].port.uartclk = (((bd_t *) __res)->bi_intfreq);
+ cpm_uart_ports[UART_SCC1].port.uartclk = uart_clock();
cpm_uart_port_map[cpm_uart_nr++] = UART_SCC1;
#endif
#ifdef CONFIG_SERIAL_CPM_SCC2
- cpm_uart_ports[UART_SCC2].sccp = (scc_t *) & cpm2_immr->im_scc[1];
- cpm_uart_ports[UART_SCC2].sccup =
- (scc_uart_t *) & cpm2_immr->im_dprambase[PROFF_SCC2];
+ cpm_uart_ports[UART_SCC2].sccp = (scc_t *) cpm2_map(im_scc[1]);
cpm_uart_ports[UART_SCC2].port.mapbase =
- (unsigned long)&cpm2_immr->im_scc[1];
+ (unsigned long)cpm_uart_ports[UART_SCC2].sccp;
+ cpm_uart_ports[UART_SCC2].sccup =
+ (scc_uart_t *) cpm2_map_size(im_dprambase[PROFF_SCC2], PROFF_SCC_SIZE);
+
cpm_uart_ports[UART_SCC2].sccp->scc_sccm &=
~(UART_SCCM_TX | UART_SCCM_RX);
cpm_uart_ports[UART_SCC2].sccp->scc_gsmrl &=
~(SCC_GSMRL_ENR | SCC_GSMRL_ENT);
- cpm_uart_ports[UART_SCC2].port.uartclk = (((bd_t *) __res)->bi_intfreq);
+ cpm_uart_ports[UART_SCC2].port.uartclk = uart_clock();
cpm_uart_port_map[cpm_uart_nr++] = UART_SCC2;
#endif
#ifdef CONFIG_SERIAL_CPM_SCC3
- cpm_uart_ports[UART_SCC3].sccp = (scc_t *) & cpm2_immr->im_scc[2];
- cpm_uart_ports[UART_SCC3].sccup =
- (scc_uart_t *) & cpm2_immr->im_dprambase[PROFF_SCC3];
+ cpm_uart_ports[UART_SCC3].sccp = (scc_t *) cpm2_map(im_scc[2]);
cpm_uart_ports[UART_SCC3].port.mapbase =
- (unsigned long)&cpm2_immr->im_scc[2];
+ (unsigned long)cpm_uart_ports[UART_SCC3].sccp;
+ cpm_uart_ports[UART_SCC3].sccup =
+ (scc_uart_t *) cpm2_map_size(im_dprambase[PROFF_SCC3], PROFF_SCC_SIZE);
+
cpm_uart_ports[UART_SCC3].sccp->scc_sccm &=
~(UART_SCCM_TX | UART_SCCM_RX);
cpm_uart_ports[UART_SCC3].sccp->scc_gsmrl &=
~(SCC_GSMRL_ENR | SCC_GSMRL_ENT);
- cpm_uart_ports[UART_SCC3].port.uartclk = (((bd_t *) __res)->bi_intfreq);
+ cpm_uart_ports[UART_SCC3].port.uartclk = uart_clock();
cpm_uart_port_map[cpm_uart_nr++] = UART_SCC3;
#endif
#ifdef CONFIG_SERIAL_CPM_SCC4
- cpm_uart_ports[UART_SCC4].sccp = (scc_t *) & cpm2_immr->im_scc[3];
- cpm_uart_ports[UART_SCC4].sccup =
- (scc_uart_t *) & cpm2_immr->im_dprambase[PROFF_SCC4];
+ cpm_uart_ports[UART_SCC4].sccp = (scc_t *) cpm2_map(im_scc[3]);
cpm_uart_ports[UART_SCC4].port.mapbase =
- (unsigned long)&cpm2_immr->im_scc[3];
+ (unsigned long)cpm_uart_ports[UART_SCC4].sccp;
+ cpm_uart_ports[UART_SCC4].sccup =
+ (scc_uart_t *) cpm2_map_size(im_dprambase[PROFF_SCC4], PROFF_SCC_SIZE);
+
cpm_uart_ports[UART_SCC4].sccp->scc_sccm &=
~(UART_SCCM_TX | UART_SCCM_RX);
cpm_uart_ports[UART_SCC4].sccp->scc_gsmrl &=
~(SCC_GSMRL_ENR | SCC_GSMRL_ENT);
- cpm_uart_ports[UART_SCC4].port.uartclk = (((bd_t *) __res)->bi_intfreq);
+ cpm_uart_ports[UART_SCC4].port.uartclk = uart_clock();
cpm_uart_port_map[cpm_uart_nr++] = UART_SCC4;
#endif
diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm2.h b/drivers/serial/cpm_uart/cpm_uart_cpm2.h
index 4793fecf8ec..a663300d347 100644
--- a/drivers/serial/cpm_uart/cpm_uart_cpm2.h
+++ b/drivers/serial/cpm_uart/cpm_uart_cpm2.h
@@ -40,6 +40,6 @@ static inline void cpm_set_smc_fcr(volatile smc_uart_t * up)
up->smc_tfcr = CPMFCR_GBL | CPMFCR_EB;
}
-#define DPRAM_BASE ((unsigned char *)&cpm2_immr->im_dprambase[0])
+#define DPRAM_BASE ((unsigned char *)cpm_dpram_addr(0))
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-11 14:31:08 +0000