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-rw-r--r--arch/powerpc/cpu/mpc512x/Makefile1
-rw-r--r--arch/powerpc/cpu/mpc512x/common.c25
-rw-r--r--arch/powerpc/cpu/mpc512x/diu.c12
-rw-r--r--arch/powerpc/cpu/mpc512x/fixed_sdram.c9
-rw-r--r--arch/powerpc/cpu/mpc512x/serial.c353
5 files changed, 368 insertions, 32 deletions
diff --git a/arch/powerpc/cpu/mpc512x/Makefile b/arch/powerpc/cpu/mpc512x/Makefile
index 1719c66..9cfdb0f 100644
--- a/arch/powerpc/cpu/mpc512x/Makefile
+++ b/arch/powerpc/cpu/mpc512x/Makefile
@@ -29,6 +29,7 @@ LIB = $(obj)lib$(CPU).a
START = start.o
COBJS-y := cpu.o
COBJS-y += traps.o
+COBJS-y += common.o
COBJS-y += cpu_init.o
COBJS-y += fixed_sdram.o
COBJS-y += i2c.o
diff --git a/arch/powerpc/cpu/mpc512x/common.c b/arch/powerpc/cpu/mpc512x/common.c
new file mode 100644
index 0000000..180d323
--- /dev/null
+++ b/arch/powerpc/cpu/mpc512x/common.c
@@ -0,0 +1,25 @@
+#include <common.h>
+#include <asm/io.h>
+
+#if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
+
+#if defined(CONFIG_SYS_POST_WORD_ADDR)
+# define _POST_ADDR (CONFIG_SYS_POST_WORD_ADDR)
+#else
+#error echo "No POST word address defined"
+#endif
+
+void post_word_store(ulong a)
+{
+ volatile void *save_addr = (volatile void *)(_POST_ADDR);
+
+ out_be32(save_addr, a);
+}
+
+ulong post_word_load(void)
+{
+ volatile void *save_addr = (volatile void *)(_POST_ADDR);
+
+ return in_be32(save_addr);
+}
+#endif /* CONFIG_POST || CONFIG_LOGBUFFER */
diff --git a/arch/powerpc/cpu/mpc512x/diu.c b/arch/powerpc/cpu/mpc512x/diu.c
index 9361161..f8d19a0 100644
--- a/arch/powerpc/cpu/mpc512x/diu.c
+++ b/arch/powerpc/cpu/mpc512x/diu.c
@@ -34,6 +34,8 @@
#include <video_fb.h>
#endif
+DECLARE_GLOBAL_DATA_PTR;
+
#ifdef CONFIG_FSL_DIU_LOGO_BMP
extern unsigned int FSL_Logo_BMP[];
#else
@@ -65,10 +67,11 @@ void diu_set_pixel_clock(unsigned int pixclock)
char *valid_bmp(char *addr)
{
unsigned long h_addr;
+ bd_t *bd = gd->bd;
h_addr = simple_strtoul(addr, NULL, 16);
- if (h_addr < CONFIG_SYS_FLASH_BASE ||
- h_addr >= (CONFIG_SYS_FLASH_BASE + CONFIG_SYS_FLASH_SIZE - 1)) {
+ if (h_addr < bd->bi_flashstart ||
+ h_addr >= (bd->bi_flashstart + bd->bi_flashsize - 1)) {
printf("bmp addr %lx is not a valid flash address\n", h_addr);
return 0;
} else if ((*(char *)(h_addr) != 'B') || (*(char *)(h_addr+1) != 'M')) {
@@ -84,8 +87,13 @@ int mpc5121_diu_init(void)
char *bmp = NULL;
char *bmp_env;
+#if defined(CONFIG_VIDEO_XRES) & defined(CONFIG_VIDEO_YRES)
+ xres = CONFIG_VIDEO_XRES;
+ yres = CONFIG_VIDEO_YRES;
+#else
xres = 1024;
yres = 768;
+#endif
pixel_format = 0x88883316;
debug("mpc5121_diu_init\n");
diff --git a/arch/powerpc/cpu/mpc512x/fixed_sdram.c b/arch/powerpc/cpu/mpc512x/fixed_sdram.c
index 442b5fc..550cbd0 100644
--- a/arch/powerpc/cpu/mpc512x/fixed_sdram.c
+++ b/arch/powerpc/cpu/mpc512x/fixed_sdram.c
@@ -78,7 +78,7 @@ long int fixed_sdram(ddr512x_config_t *mddrc_config,
u32 *dram_init_seq, int seq_sz)
{
volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
- u32 msize = CONFIG_SYS_DDR_SIZE * 1024 * 1024;
+ u32 msize = CONFIG_SYS_MAX_RAM_SIZE;
u32 msize_log2 = __ilog2(msize);
u32 i;
@@ -91,7 +91,7 @@ long int fixed_sdram(ddr512x_config_t *mddrc_config,
}
/* Initialize IO Control */
- out_be32(&im->io_ctrl.io_control_mem, IOCTRL_MUX_DDR);
+ out_be32(&im->io_ctrl.io_control_mem, CONFIG_SYS_IOCTRL_MUX_DDR);
/* Initialize DDR Local Window */
out_be32(&im->sysconf.ddrlaw.bar, CONFIG_SYS_DDR_BASE & 0xFFFFF000);
@@ -148,5 +148,10 @@ long int fixed_sdram(ddr512x_config_t *mddrc_config,
out_be32(&im->mddrc.ddr_time_config0, mddrc_config->ddr_time_config0);
out_be32(&im->mddrc.ddr_sys_config, mddrc_config->ddr_sys_config);
+ msize = get_ram_size(CONFIG_SYS_DDR_BASE, CONFIG_SYS_MAX_RAM_SIZE);
+ /* Fix DDR Local Window for new size */
+ out_be32(&im->sysconf.ddrlaw.ar, __ilog2(msize) - 1);
+ sync_law(&im->sysconf.ddrlaw.ar);
+
return msize;
}
diff --git a/arch/powerpc/cpu/mpc512x/serial.c b/arch/powerpc/cpu/mpc512x/serial.c
index ec2f41b..cb5bbf0 100644
--- a/arch/powerpc/cpu/mpc512x/serial.c
+++ b/arch/powerpc/cpu/mpc512x/serial.c
@@ -32,14 +32,16 @@
#include <common.h>
#include <asm/io.h>
#include <asm/processor.h>
+#include <serial.h>
DECLARE_GLOBAL_DATA_PTR;
-#if defined(CONFIG_PSC_CONSOLE)
+#if defined(CONFIG_PSC_CONSOLE) || defined(CONFIG_SERIAL_MULTI)
static void fifo_init (volatile psc512x_t *psc)
{
volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
+ u32 tfsize, rfsize;
/* reset Rx & Tx fifo slice */
out_be32(&psc->rfcmd, PSC_FIFO_RESET_SLICE);
@@ -49,8 +51,65 @@ static void fifo_init (volatile psc512x_t *psc)
out_be32(&psc->rfintmask, 0);
out_be32(&psc->tfintmask, 0);
- out_be32(&psc->tfsize, CONSOLE_FIFO_TX_SIZE | (CONSOLE_FIFO_TX_ADDR << 16));
- out_be32(&psc->rfsize, CONSOLE_FIFO_RX_SIZE | (CONSOLE_FIFO_RX_ADDR << 16));
+#if defined(CONFIG_SERIAL_MULTI)
+ switch (((u32)psc & 0xf00) >> 8) {
+ case 0:
+ tfsize = FIFOC_PSC0_TX_SIZE | (FIFOC_PSC0_TX_ADDR << 16);
+ rfsize = FIFOC_PSC0_RX_SIZE | (FIFOC_PSC0_RX_ADDR << 16);
+ break;
+ case 1:
+ tfsize = FIFOC_PSC1_TX_SIZE | (FIFOC_PSC1_TX_ADDR << 16);
+ rfsize = FIFOC_PSC1_RX_SIZE | (FIFOC_PSC1_RX_ADDR << 16);
+ break;
+ case 2:
+ tfsize = FIFOC_PSC2_TX_SIZE | (FIFOC_PSC2_TX_ADDR << 16);
+ rfsize = FIFOC_PSC2_RX_SIZE | (FIFOC_PSC2_RX_ADDR << 16);
+ break;
+ case 3:
+ tfsize = FIFOC_PSC3_TX_SIZE | (FIFOC_PSC3_TX_ADDR << 16);
+ rfsize = FIFOC_PSC3_RX_SIZE | (FIFOC_PSC3_RX_ADDR << 16);
+ break;
+ case 4:
+ tfsize = FIFOC_PSC4_TX_SIZE | (FIFOC_PSC4_TX_ADDR << 16);
+ rfsize = FIFOC_PSC4_RX_SIZE | (FIFOC_PSC4_RX_ADDR << 16);
+ break;
+ case 5:
+ tfsize = FIFOC_PSC5_TX_SIZE | (FIFOC_PSC5_TX_ADDR << 16);
+ rfsize = FIFOC_PSC5_RX_SIZE | (FIFOC_PSC5_RX_ADDR << 16);
+ break;
+ case 6:
+ tfsize = FIFOC_PSC6_TX_SIZE | (FIFOC_PSC6_TX_ADDR << 16);
+ rfsize = FIFOC_PSC6_RX_SIZE | (FIFOC_PSC6_RX_ADDR << 16);
+ break;
+ case 7:
+ tfsize = FIFOC_PSC7_TX_SIZE | (FIFOC_PSC7_TX_ADDR << 16);
+ rfsize = FIFOC_PSC7_RX_SIZE | (FIFOC_PSC7_RX_ADDR << 16);
+ break;
+ case 8:
+ tfsize = FIFOC_PSC8_TX_SIZE | (FIFOC_PSC8_TX_ADDR << 16);
+ rfsize = FIFOC_PSC8_RX_SIZE | (FIFOC_PSC8_RX_ADDR << 16);
+ break;
+ case 9:
+ tfsize = FIFOC_PSC9_TX_SIZE | (FIFOC_PSC9_TX_ADDR << 16);
+ rfsize = FIFOC_PSC9_RX_SIZE | (FIFOC_PSC9_RX_ADDR << 16);
+ break;
+ case 10:
+ tfsize = FIFOC_PSC10_TX_SIZE | (FIFOC_PSC10_TX_ADDR << 16);
+ rfsize = FIFOC_PSC10_RX_SIZE | (FIFOC_PSC10_RX_ADDR << 16);
+ break;
+ case 11:
+ tfsize = FIFOC_PSC11_TX_SIZE | (FIFOC_PSC11_TX_ADDR << 16);
+ rfsize = FIFOC_PSC11_RX_SIZE | (FIFOC_PSC11_RX_ADDR << 16);
+ break;
+ default:
+ return;
+ }
+#else
+ tfsize = CONSOLE_FIFO_TX_SIZE | (CONSOLE_FIFO_TX_ADDR << 16);
+ rfsize = CONSOLE_FIFO_RX_SIZE | (CONSOLE_FIFO_RX_ADDR << 16);
+#endif
+ out_be32(&psc->tfsize, tfsize);
+ out_be32(&psc->rfsize, rfsize);
/* enable Tx & Rx FIFO slice */
out_be32(&psc->rfcmd, PSC_FIFO_ENABLE_SLICE);
@@ -60,24 +119,47 @@ static void fifo_init (volatile psc512x_t *psc)
__asm__ volatile ("sync");
}
-void serial_setbrg(void)
+void serial_setbrg_dev(unsigned int idx)
{
volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
- volatile psc512x_t *psc = (psc512x_t *) &im->psc[CONFIG_PSC_CONSOLE];
+ volatile psc512x_t *psc = (psc512x_t *) &im->psc[idx];
unsigned long baseclk, div;
+ unsigned long baudrate;
+ char buf[16];
+ char *br_env;
+
+ baudrate = gd->baudrate;
+ if (idx != CONFIG_PSC_CONSOLE) {
+ /* Allows setting baudrate for other serial devices
+ * on PSCx using environment. If not specified, use
+ * the same baudrate as for console.
+ */
+ sprintf(buf, "psc%d_baudrate", idx);
+ br_env = getenv(buf);
+ if (br_env)
+ baudrate = simple_strtoul(br_env, NULL, 10);
+
+ debug("%s: idx %d, baudrate %d\n", __func__, idx, baudrate);
+ }
- /* calculate dividor for setting PSC CTUR and CTLR registers */
+ /* calculate divisor for setting PSC CTUR and CTLR registers */
baseclk = (gd->ips_clk + 8) / 16;
- div = (baseclk + (gd->baudrate / 2)) / gd->baudrate;
+ div = (baseclk + (baudrate / 2)) / baudrate;
out_8(&psc->ctur, (div >> 8) & 0xff);
out_8(&psc->ctlr, div & 0xff); /* set baudrate */
}
-int serial_init(void)
+int serial_init_dev(unsigned int idx)
{
volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
- volatile psc512x_t *psc = (psc512x_t *) &im->psc[CONFIG_PSC_CONSOLE];
+ volatile psc512x_t *psc = (psc512x_t *) &im->psc[idx];
+#if defined(CONFIG_SERIAL_MULTI)
+ u32 reg;
+
+ reg = in_be32(&im->clk.sccr[0]);
+ out_be32(&im->clk.sccr[0], reg | CLOCK_SCCR1_PSC_EN(idx));
+#endif
fifo_init (psc);
@@ -100,7 +182,7 @@ int serial_init(void)
out_8(&psc->mode, PSC_MODE_1_STOPBIT);
/* set baudrate */
- serial_setbrg();
+ serial_setbrg_dev(idx);
/* disable all interrupts */
out_be16(&psc->psc_imr, 0);
@@ -113,13 +195,27 @@ int serial_init(void)
return 0;
}
-void serial_putc (const char c)
+int serial_uninit_dev(unsigned int idx)
+{
+ volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
+ volatile psc512x_t *psc = (psc512x_t *) &im->psc[idx];
+ u32 reg;
+
+ out_8(&psc->command, PSC_RX_DISABLE | PSC_TX_DISABLE);
+ reg = in_be32(&im->clk.sccr[0]);
+ reg &= ~CLOCK_SCCR1_PSC_EN(idx);
+ out_be32(&im->clk.sccr[0], reg);
+
+ return 0;
+}
+
+void serial_putc_dev(unsigned int idx, const char c)
{
volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
- volatile psc512x_t *psc = (psc512x_t *) &im->psc[CONFIG_PSC_CONSOLE];
+ volatile psc512x_t *psc = (psc512x_t *) &im->psc[idx];
if (c == '\n')
- serial_putc ('\r');
+ serial_putc_dev(idx, '\r');
/* Wait for last character to go. */
while (!(in_be16(&psc->psc_status) & PSC_SR_TXEMP))
@@ -128,10 +224,10 @@ void serial_putc (const char c)
out_8(&psc->tfdata_8, c);
}
-void serial_putc_raw (const char c)
+void serial_putc_raw_dev(unsigned int idx, const char c)
{
volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
- volatile psc512x_t *psc = (psc512x_t *) &im->psc[CONFIG_PSC_CONSOLE];
+ volatile psc512x_t *psc = (psc512x_t *) &im->psc[idx];
/* Wait for last character to go. */
while (!(in_be16(&psc->psc_status) & PSC_SR_TXEMP))
@@ -140,18 +236,16 @@ void serial_putc_raw (const char c)
out_8(&psc->tfdata_8, c);
}
-
-void serial_puts (const char *s)
+void serial_puts_dev(unsigned int idx, const char *s)
{
- while (*s) {
- serial_putc (*s++);
- }
+ while (*s)
+ serial_putc_dev(idx, *s++);
}
-int serial_getc (void)
+int serial_getc_dev(unsigned int idx)
{
volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
- volatile psc512x_t *psc = (psc512x_t *) &im->psc[CONFIG_PSC_CONSOLE];
+ volatile psc512x_t *psc = (psc512x_t *) &im->psc[idx];
/* Wait for a character to arrive. */
while (in_be32(&psc->rfstat) & PSC_FIFO_EMPTY)
@@ -160,18 +254,18 @@ int serial_getc (void)
return in_8(&psc->rfdata_8);
}
-int serial_tstc (void)
+int serial_tstc_dev(unsigned int idx)
{
volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
- volatile psc512x_t *psc = (psc512x_t *) &im->psc[CONFIG_PSC_CONSOLE];
+ volatile psc512x_t *psc = (psc512x_t *) &im->psc[idx];
return !(in_be32(&psc->rfstat) & PSC_FIFO_EMPTY);
}
-void serial_setrts(int s)
+void serial_setrts_dev(unsigned int idx, int s)
{
volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
- volatile psc512x_t *psc = (psc512x_t *) &im->psc[CONFIG_PSC_CONSOLE];
+ volatile psc512x_t *psc = (psc512x_t *) &im->psc[idx];
if (s) {
/* Assert RTS (become LOW) */
@@ -183,11 +277,214 @@ void serial_setrts(int s)
}
}
-int serial_getcts(void)
+int serial_getcts_dev(unsigned int idx)
{
volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
- volatile psc512x_t *psc = (psc512x_t *) &im->psc[CONFIG_PSC_CONSOLE];
+ volatile psc512x_t *psc = (psc512x_t *) &im->psc[idx];
return (in_8(&psc->ip) & 0x1) ? 0 : 1;
}
+#endif /* CONFIG_PSC_CONSOLE || CONFIG_SERIAL_MULTI */
+
+#if defined(CONFIG_SERIAL_MULTI)
+
+#define DECLARE_PSC_SERIAL_FUNCTIONS(port) \
+ int serial##port##_init(void) \
+ { \
+ return serial_init_dev(port); \
+ } \
+ int serial##port##_uninit(void) \
+ { \
+ return serial_uninit_dev(port); \
+ } \
+ void serial##port##_setbrg(void) \
+ { \
+ serial_setbrg_dev(port); \
+ } \
+ int serial##port##_getc(void) \
+ { \
+ return serial_getc_dev(port); \
+ } \
+ int serial##port##_tstc(void) \
+ { \
+ return serial_tstc_dev(port); \
+ } \
+ void serial##port##_putc(const char c) \
+ { \
+ serial_putc_dev(port, c); \
+ } \
+ void serial##port##_puts(const char *s) \
+ { \
+ serial_puts_dev(port, s); \
+ }
+
+#define INIT_PSC_SERIAL_STRUCTURE(port, name, bus) { \
+ name, \
+ bus, \
+ serial##port##_init, \
+ serial##port##_uninit, \
+ serial##port##_setbrg, \
+ serial##port##_getc, \
+ serial##port##_tstc, \
+ serial##port##_putc, \
+ serial##port##_puts, \
+}
+
+#if defined(CONFIG_SYS_PSC1)
+DECLARE_PSC_SERIAL_FUNCTIONS(1);
+struct serial_device serial1_device =
+INIT_PSC_SERIAL_STRUCTURE(1, "psc1", "UART1");
+#endif
+
+#if defined(CONFIG_SYS_PSC3)
+DECLARE_PSC_SERIAL_FUNCTIONS(3);
+struct serial_device serial3_device =
+INIT_PSC_SERIAL_STRUCTURE(3, "psc3", "UART3");
+#endif
+
+#if defined(CONFIG_SYS_PSC4)
+DECLARE_PSC_SERIAL_FUNCTIONS(4);
+struct serial_device serial4_device =
+INIT_PSC_SERIAL_STRUCTURE(4, "psc4", "UART4");
+#endif
+
+#if defined(CONFIG_SYS_PSC6)
+DECLARE_PSC_SERIAL_FUNCTIONS(6);
+struct serial_device serial6_device =
+INIT_PSC_SERIAL_STRUCTURE(6, "psc6", "UART6");
+#endif
+
+#else
+
+void serial_setbrg(void)
+{
+ serial_setbrg_dev(CONFIG_PSC_CONSOLE);
+}
+
+int serial_init(void)
+{
+ return serial_init_dev(CONFIG_PSC_CONSOLE);
+}
+
+void serial_putc(const char c)
+{
+ serial_putc_dev(CONFIG_PSC_CONSOLE, c);
+}
+
+void serial_putc_raw(const char c)
+{
+ serial_putc_raw_dev(CONFIG_PSC_CONSOLE, c);
+}
+
+void serial_puts(const char *s)
+{
+ serial_puts_dev(CONFIG_PSC_CONSOLE, s);
+}
+
+int serial_getc(void)
+{
+ return serial_getc_dev(CONFIG_PSC_CONSOLE);
+}
+
+int serial_tstc(void)
+{
+ return serial_tstc_dev(CONFIG_PSC_CONSOLE);
+}
+
+void serial_setrts(int s)
+{
+ return serial_setrts_dev(CONFIG_PSC_CONSOLE, s);
+}
+
+int serial_getcts(void)
+{
+ return serial_getcts_dev(CONFIG_PSC_CONSOLE);
+}
#endif /* CONFIG_PSC_CONSOLE */
+
+#if defined(CONFIG_SERIAL_MULTI)
+#include <stdio_dev.h>
+/*
+ * Routines for communication with serial devices over PSC
+ */
+/* Bitfield for initialized PSCs */
+static unsigned int initialized;
+
+struct stdio_dev *open_port(int num, int baudrate)
+{
+ struct stdio_dev *port;
+ char env_var[16];
+ char env_val[10];
+ char name[7];
+
+ if (num < 0 || num > 11)
+ return NULL;
+
+ sprintf(name, "psc%d", num);
+ port = stdio_get_by_name(name);
+ if (!port)
+ return NULL;
+
+ if (!test_bit(num, &initialized)) {
+ sprintf(env_var, "psc%d_baudrate", num);
+ sprintf(env_val, "%d", baudrate);
+ setenv(env_var, env_val);
+
+ if (port->start())
+ return NULL;
+
+ set_bit(num, &initialized);
+ }
+
+ return port;
+}
+
+int close_port(int num)
+{
+ struct stdio_dev *port;
+ int ret;
+ char name[7];
+
+ if (num < 0 || num > 11)
+ return -1;
+
+ sprintf(name, "psc%d", num);
+ port = stdio_get_by_name(name);
+ if (!port)
+ return -1;
+
+ ret = port->stop();
+ clear_bit(num, &initialized);
+
+ return ret;
+}
+
+int write_port(struct stdio_dev *port, char *buf)
+{
+ if (!port || !buf)
+ return -1;
+
+ port->puts(buf);
+
+ return 0;
+}
+
+int read_port(struct stdio_dev *port, char *buf, int size)
+{
+ int cnt = 0;
+
+ if (!port || !buf)
+ return -1;
+
+ if (!size)
+ return 0;
+
+ while (port->tstc()) {
+ buf[cnt++] = port->getc();
+ if (cnt > size)
+ break;
+ }
+
+ return cnt;
+}
+#endif /* CONFIG_SERIAL_MULTI */
generated by cgit v1.1 at 2024-12-26 03:17:09 +0000