diff options
| -rw-r--r-- | arch/powerpc/boot/Makefile | 2 | ||||
| -rw-r--r-- | arch/powerpc/boot/mpsc.c | 169 | ||||
| -rw-r--r-- | arch/powerpc/boot/ops.h | 1 | ||||
| -rw-r--r-- | arch/powerpc/boot/serial.c | 4 |
4 files changed, 1 insertions, 175 deletions
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index b5620ef68557..523ad27e2d40 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -126,7 +126,7 @@ src-wlib-$(CONFIG_40x) += 4xx.c planetcore.c src-wlib-$(CONFIG_44x) += 4xx.c ebony.c bamboo.c src-wlib-$(CONFIG_PPC_8xx) += mpc8xx.c planetcore.c fsl-soc.c src-wlib-$(CONFIG_PPC_82xx) += pq2.c fsl-soc.c planetcore.c -src-wlib-$(CONFIG_EMBEDDED6xx) += mpsc.c mv64x60.c mv64x60_i2c.c ugecon.c fsl-soc.c +src-wlib-$(CONFIG_EMBEDDED6xx) += mv64x60.c mv64x60_i2c.c ugecon.c fsl-soc.c src-wlib-$(CONFIG_XILINX_VIRTEX) += uartlite.c src-wlib-$(CONFIG_CPM) += cpm-serial.c diff --git a/arch/powerpc/boot/mpsc.c b/arch/powerpc/boot/mpsc.c deleted file mode 100644 index 425ad88cce8d..000000000000 --- a/arch/powerpc/boot/mpsc.c +++ /dev/null @@ -1,169 +0,0 @@ -/* - * MPSC/UART driver for the Marvell mv64360, mv64460, ... - * - * Author: Mark A. Greer <mgreer@mvista.com> - * - * 2007 (c) MontaVista Software, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. - */ - -#include <stdarg.h> -#include <stddef.h> -#include "types.h" -#include "string.h" -#include "stdio.h" -#include "io.h" -#include "ops.h" - - -#define MPSC_CHR_1 0x000c - -#define MPSC_CHR_2 0x0010 -#define MPSC_CHR_2_TA (1<<7) -#define MPSC_CHR_2_TCS (1<<9) -#define MPSC_CHR_2_RA (1<<23) -#define MPSC_CHR_2_CRD (1<<25) -#define MPSC_CHR_2_EH (1<<31) - -#define MPSC_CHR_4 0x0018 -#define MPSC_CHR_4_Z (1<<29) - -#define MPSC_CHR_5 0x001c -#define MPSC_CHR_5_CTL1_INTR (1<<12) -#define MPSC_CHR_5_CTL1_VALID (1<<15) - -#define MPSC_CHR_10 0x0030 - -#define MPSC_INTR_CAUSE 0x0000 -#define MPSC_INTR_CAUSE_RCC (1<<6) -#define MPSC_INTR_MASK 0x0080 - -#define SDMA_SDCM 0x0008 -#define SDMA_SDCM_AR (1<<15) -#define SDMA_SDCM_AT (1<<31) - -static volatile char *mpsc_base; -static volatile char *mpscintr_base; -static u32 chr1, chr2; - -static int mpsc_open(void) -{ - chr1 = in_le32((u32 *)(mpsc_base + MPSC_CHR_1)) & 0x00ff0000; - chr2 = in_le32((u32 *)(mpsc_base + MPSC_CHR_2)) & ~(MPSC_CHR_2_TA - | MPSC_CHR_2_TCS | MPSC_CHR_2_RA | MPSC_CHR_2_CRD - | MPSC_CHR_2_EH); - out_le32((u32 *)(mpsc_base + MPSC_CHR_4), MPSC_CHR_4_Z); - out_le32((u32 *)(mpsc_base + MPSC_CHR_5), - MPSC_CHR_5_CTL1_INTR | MPSC_CHR_5_CTL1_VALID); - out_le32((u32 *)(mpsc_base + MPSC_CHR_2), chr2 | MPSC_CHR_2_EH); - return 0; -} - -static void mpsc_putc(unsigned char c) -{ - while (in_le32((u32 *)(mpsc_base + MPSC_CHR_2)) & MPSC_CHR_2_TCS); - - out_le32((u32 *)(mpsc_base + MPSC_CHR_1), chr1 | c); - out_le32((u32 *)(mpsc_base + MPSC_CHR_2), chr2 | MPSC_CHR_2_TCS); -} - -static unsigned char mpsc_getc(void) -{ - u32 cause = 0; - unsigned char c; - - while (!(cause & MPSC_INTR_CAUSE_RCC)) - cause = in_le32((u32 *)(mpscintr_base + MPSC_INTR_CAUSE)); - - c = in_8((u8 *)(mpsc_base + MPSC_CHR_10 + 2)); - out_8((u8 *)(mpsc_base + MPSC_CHR_10 + 2), c); - out_le32((u32 *)(mpscintr_base + MPSC_INTR_CAUSE), - cause & ~MPSC_INTR_CAUSE_RCC); - - return c; -} - -static u8 mpsc_tstc(void) -{ - return (u8)((in_le32((u32 *)(mpscintr_base + MPSC_INTR_CAUSE)) - & MPSC_INTR_CAUSE_RCC) != 0); -} - -static void mpsc_stop_dma(volatile char *sdma_base) -{ - out_le32((u32 *)(mpsc_base + MPSC_CHR_2),MPSC_CHR_2_TA | MPSC_CHR_2_RA); - out_le32((u32 *)(sdma_base + SDMA_SDCM), SDMA_SDCM_AR | SDMA_SDCM_AT); - - while ((in_le32((u32 *)(sdma_base + SDMA_SDCM)) - & (SDMA_SDCM_AR | SDMA_SDCM_AT)) != 0) - udelay(100); -} - -static volatile char *mpsc_get_virtreg_of_phandle(void *devp, char *prop) -{ - void *v; - int n; - - n = getprop(devp, prop, &v, sizeof(v)); - if (n != sizeof(v)) - goto err_out; - - devp = find_node_by_linuxphandle((u32)v); - if (devp == NULL) - goto err_out; - - n = getprop(devp, "virtual-reg", &v, sizeof(v)); - if (n == sizeof(v)) - return v; - -err_out: - return NULL; -} - -int mpsc_console_init(void *devp, struct serial_console_data *scdp) -{ - void *v; - int n, reg_set; - volatile char *sdma_base; - - n = getprop(devp, "virtual-reg", &v, sizeof(v)); - if (n != sizeof(v)) - goto err_out; - mpsc_base = v; - - sdma_base = mpsc_get_virtreg_of_phandle(devp, "sdma"); - if (sdma_base == NULL) - goto err_out; - - mpscintr_base = mpsc_get_virtreg_of_phandle(devp, "mpscintr"); - if (mpscintr_base == NULL) - goto err_out; - - n = getprop(devp, "cell-index", &v, sizeof(v)); - if (n != sizeof(v)) - goto err_out; - reg_set = (int)v; - - mpscintr_base += (reg_set == 0) ? 0x4 : 0xc; - - /* Make sure the mpsc ctlrs are shutdown */ - out_le32((u32 *)(mpscintr_base + MPSC_INTR_CAUSE), 0); - out_le32((u32 *)(mpscintr_base + MPSC_INTR_CAUSE), 0); - out_le32((u32 *)(mpscintr_base + MPSC_INTR_MASK), 0); - out_le32((u32 *)(mpscintr_base + MPSC_INTR_MASK), 0); - - mpsc_stop_dma(sdma_base); - - scdp->open = mpsc_open; - scdp->putc = mpsc_putc; - scdp->getc = mpsc_getc; - scdp->tstc = mpsc_tstc; - scdp->close = NULL; - - return 0; - -err_out: - return -1; -} diff --git a/arch/powerpc/boot/ops.h b/arch/powerpc/boot/ops.h index fad1862f4b2d..cd043726ed88 100644 --- a/arch/powerpc/boot/ops.h +++ b/arch/powerpc/boot/ops.h @@ -86,7 +86,6 @@ void start(void); void fdt_init(void *blob); int serial_console_init(void); int ns16550_console_init(void *devp, struct serial_console_data *scdp); -int mpsc_console_init(void *devp, struct serial_console_data *scdp); int cpm_console_init(void *devp, struct serial_console_data *scdp); int mpc5200_psc_console_init(void *devp, struct serial_console_data *scdp); int uartlite_console_init(void *devp, struct serial_console_data *scdp); diff --git a/arch/powerpc/boot/serial.c b/arch/powerpc/boot/serial.c index 88955095ec07..48e3743faedf 100644 --- a/arch/powerpc/boot/serial.c +++ b/arch/powerpc/boot/serial.c @@ -120,10 +120,6 @@ int serial_console_init(void) if (dt_is_compatible(devp, "ns16550") || dt_is_compatible(devp, "pnpPNP,501")) rc = ns16550_console_init(devp, &serial_cd); -#ifdef CONFIG_EMBEDDED6xx - else if (dt_is_compatible(devp, "marvell,mv64360-mpsc")) - rc = mpsc_console_init(devp, &serial_cd); -#endif #ifdef CONFIG_CPM else if (dt_is_compatible(devp, "fsl,cpm1-scc-uart") || dt_is_compatible(devp, "fsl,cpm1-smc-uart") || |