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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/board/bf537-stamp
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/board/bf537-stamp')
-rw-r--r--qemu/roms/u-boot/board/bf537-stamp/Makefile14
-rw-r--r--qemu/roms/u-boot/board/bf537-stamp/bf537-stamp.c82
-rw-r--r--qemu/roms/u-boot/board/bf537-stamp/config.mk12
-rw-r--r--qemu/roms/u-boot/board/bf537-stamp/ide-cf.c66
-rw-r--r--qemu/roms/u-boot/board/bf537-stamp/post-memory.c257
5 files changed, 431 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/bf537-stamp/Makefile b/qemu/roms/u-boot/board/bf537-stamp/Makefile
new file mode 100644
index 000000000..234119a52
--- /dev/null
+++ b/qemu/roms/u-boot/board/bf537-stamp/Makefile
@@ -0,0 +1,14 @@
+#
+# U-boot - Makefile
+#
+# Copyright (c) 2005-2007 Analog Device Inc.
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-y := bf537-stamp.o
+obj-$(CONFIG_BFIN_IDE) += ide-cf.o
+obj-$(CONFIG_HAS_POST) += post-memory.o
diff --git a/qemu/roms/u-boot/board/bf537-stamp/bf537-stamp.c b/qemu/roms/u-boot/board/bf537-stamp/bf537-stamp.c
new file mode 100644
index 000000000..32045a9e4
--- /dev/null
+++ b/qemu/roms/u-boot/board/bf537-stamp/bf537-stamp.c
@@ -0,0 +1,82 @@
+/*
+ * U-boot - main board file
+ *
+ * Copyright (c) 2005-2008 Analog Devices Inc.
+ *
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <config.h>
+#include <command.h>
+#include <asm/blackfin.h>
+#include <net.h>
+#include <asm/mach-common/bits/bootrom.h>
+#include <netdev.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int checkboard(void)
+{
+ printf("Board: ADI BF537 stamp board\n");
+ printf(" Support: http://blackfin.uclinux.org/\n");
+ return 0;
+}
+
+#ifdef CONFIG_BFIN_MAC
+static void board_init_enetaddr(uchar *mac_addr)
+{
+#ifdef CONFIG_SYS_NO_FLASH
+# define USE_MAC_IN_FLASH 0
+#else
+# define USE_MAC_IN_FLASH 1
+#endif
+ bool valid_mac = false;
+
+ if (USE_MAC_IN_FLASH) {
+ /* we cram the MAC in the last flash sector */
+ uchar *board_mac_addr = (uchar *)0x203F0000;
+ if (is_valid_ether_addr(board_mac_addr)) {
+ memcpy(mac_addr, board_mac_addr, 6);
+ valid_mac = true;
+ }
+ }
+
+ if (!valid_mac) {
+ puts("Warning: Generating 'random' MAC address\n");
+ eth_random_addr(mac_addr);
+ }
+
+ eth_setenv_enetaddr("ethaddr", mac_addr);
+}
+
+int board_eth_init(bd_t *bis)
+{
+ return bfin_EMAC_initialize(bis);
+}
+#endif
+
+/* miscellaneous platform dependent initialisations */
+int misc_init_r(void)
+{
+#ifdef CONFIG_BFIN_MAC
+ uchar enetaddr[6];
+ if (!eth_getenv_enetaddr("ethaddr", enetaddr))
+ board_init_enetaddr(enetaddr);
+#endif
+
+#ifndef CONFIG_SYS_NO_FLASH
+ /* we use the last sector for the MAC address / POST LDR */
+ extern flash_info_t flash_info[];
+ flash_protect(FLAG_PROTECT_SET, 0x203F0000, 0x203FFFFF, &flash_info[0]);
+#endif
+
+#ifdef CONFIG_BFIN_IDE
+ cf_ide_init();
+#endif
+
+ return 0;
+}
diff --git a/qemu/roms/u-boot/board/bf537-stamp/config.mk b/qemu/roms/u-boot/board/bf537-stamp/config.mk
new file mode 100644
index 000000000..ab0fbecab
--- /dev/null
+++ b/qemu/roms/u-boot/board/bf537-stamp/config.mk
@@ -0,0 +1,12 @@
+#
+# Copyright (c) 2005-2008 Analog Device Inc.
+#
+# (C) Copyright 2001
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+# Set some default LDR flags based on boot mode.
+LDR_FLAGS-BFIN_BOOT_PARA := --bits 16 --dma 8
+LDR_FLAGS-BFIN_BOOT_UART := --port g --gpio 6
diff --git a/qemu/roms/u-boot/board/bf537-stamp/ide-cf.c b/qemu/roms/u-boot/board/bf537-stamp/ide-cf.c
new file mode 100644
index 000000000..5a3720de5
--- /dev/null
+++ b/qemu/roms/u-boot/board/bf537-stamp/ide-cf.c
@@ -0,0 +1,66 @@
+/*
+ * CF IDE addon card code
+ *
+ * Enter bugs at http://blackfin.uclinux.org/
+ *
+ * Copyright (c) 2005-2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <common.h>
+#include <config.h>
+#include <command.h>
+#include <asm/blackfin.h>
+
+void cf_outb(unsigned char val, volatile unsigned char *addr)
+{
+ *(addr) = val;
+ SSYNC();
+}
+
+unsigned char cf_inb(volatile unsigned char *addr)
+{
+ volatile unsigned char c;
+
+ c = *(addr);
+ SSYNC();
+
+ return c;
+}
+
+void cf_insw(unsigned short *sect_buf, unsigned short *addr, int words)
+{
+ int i;
+
+ for (i = 0; i < words; i++)
+ *(sect_buf + i) = *(addr);
+ SSYNC();
+}
+
+void cf_outsw(unsigned short *addr, unsigned short *sect_buf, int words)
+{
+ int i;
+
+ for (i = 0; i < words; i++)
+ *(addr) = *(sect_buf + i);
+ SSYNC();
+}
+
+void cf_ide_init(void)
+{
+#if defined(CONFIG_BFIN_TRUE_IDE)
+ /* Enable ATASEL when in True IDE mode */
+ printf("Using CF True IDE Mode\n");
+ cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_ENA);
+ udelay(1000);
+#elif defined(CONFIG_BFIN_CF_IDE)
+ /* Disable ATASEL when we're in Common Memory Mode */
+ printf("Using CF Common Memory Mode\n");
+ cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_DIS);
+ udelay(1000);
+#elif defined(CONFIG_BFIN_HDD_IDE)
+ printf("Using HDD IDE Mode\n");
+#endif
+ ide_init();
+}
diff --git a/qemu/roms/u-boot/board/bf537-stamp/post-memory.c b/qemu/roms/u-boot/board/bf537-stamp/post-memory.c
new file mode 100644
index 000000000..2dea92fbe
--- /dev/null
+++ b/qemu/roms/u-boot/board/bf537-stamp/post-memory.c
@@ -0,0 +1,257 @@
+#include <common.h>
+#include <asm/io.h>
+
+#include <post.h>
+#include <watchdog.h>
+
+#if CONFIG_POST & CONFIG_SYS_POST_MEMORY
+#define CLKIN 25000000
+#define PATTERN1 0x5A5A5A5A
+#define PATTERN2 0xAAAAAAAA
+
+#define CCLK_NUM 4
+#define SCLK_NUM 3
+
+void post_out_buff(char *buff);
+void post_init_pll(int mult, int div);
+int post_init_sdram(int sclk);
+void post_init_uart(int sclk);
+
+const int pll[CCLK_NUM][SCLK_NUM][2] = {
+ { {20, 4}, {20, 5}, {20, 10} }, /* CCLK = 500M */
+ { {16, 4}, {16, 5}, {16, 8} }, /* CCLK = 400M */
+ { {8, 2}, {8, 4}, {8, 5} }, /* CCLK = 200M */
+ { {4, 1}, {4, 2}, {4, 4} } /* CCLK = 100M */
+};
+const char *const log[CCLK_NUM][SCLK_NUM] = {
+ {"CCLK-500MHz SCLK-125MHz: Writing...\0",
+ "CCLK-500MHz SCLK-100MHz: Writing...\0",
+ "CCLK-500MHz SCLK- 50MHz: Writing...\0",},
+ {"CCLK-400MHz SCLK-100MHz: Writing...\0",
+ "CCLK-400MHz SCLK- 80MHz: Writing...\0",
+ "CCLK-400MHz SCLK- 50MHz: Writing...\0",},
+ {"CCLK-200MHz SCLK-100MHz: Writing...\0",
+ "CCLK-200MHz SCLK- 50MHz: Writing...\0",
+ "CCLK-200MHz SCLK- 40MHz: Writing...\0",},
+ {"CCLK-100MHz SCLK-100MHz: Writing...\0",
+ "CCLK-100MHz SCLK- 50MHz: Writing...\0",
+ "CCLK-100MHz SCLK- 25MHz: Writing...\0",},
+};
+
+int memory_post_test(int flags)
+{
+ int addr;
+ int m, n;
+ int sclk, sclk_temp;
+ int ret = 1;
+
+ sclk_temp = CLKIN / 1000000;
+ sclk_temp = sclk_temp * CONFIG_VCO_MULT;
+ for (sclk = 0; sclk_temp > 0; sclk++)
+ sclk_temp -= CONFIG_SCLK_DIV;
+ sclk = sclk * 1000000;
+ post_init_uart(sclk);
+ if (post_hotkeys_pressed() == 0)
+ return 0;
+
+ for (m = 0; m < CCLK_NUM; m++) {
+ for (n = 0; n < SCLK_NUM; n++) {
+ /* Calculate the sclk */
+ sclk_temp = CLKIN / 1000000;
+ sclk_temp = sclk_temp * pll[m][n][0];
+ for (sclk = 0; sclk_temp > 0; sclk++)
+ sclk_temp -= pll[m][n][1];
+ sclk = sclk * 1000000;
+
+ post_init_pll(pll[m][n][0], pll[m][n][1]);
+ post_init_sdram(sclk);
+ post_init_uart(sclk);
+ post_out_buff("\n\r\0");
+ post_out_buff(log[m][n]);
+ for (addr = 0x0; addr < CONFIG_SYS_MAX_RAM_SIZE; addr += 4)
+ *(unsigned long *)addr = PATTERN1;
+ post_out_buff("Reading...\0");
+ for (addr = 0x0; addr < CONFIG_SYS_MAX_RAM_SIZE; addr += 4) {
+ if ((*(unsigned long *)addr) != PATTERN1) {
+ post_out_buff("Error\n\r\0");
+ ret = 0;
+ }
+ }
+ post_out_buff("OK\n\r\0");
+ }
+ }
+ if (ret)
+ post_out_buff("memory POST passed\n\r\0");
+ else
+ post_out_buff("memory POST failed\n\r\0");
+
+ post_out_buff("\n\r\n\r\0");
+ return 1;
+}
+
+void post_init_uart(int sclk)
+{
+ int divisor;
+
+ for (divisor = 0; sclk > 0; divisor++)
+ sclk -= 57600 * 16;
+
+ bfin_write_PORTF_FER(0x000F);
+ bfin_write_PORTH_FER(0xFFFF);
+
+ bfin_write_UART_GCTL(0x00);
+ bfin_write_UART_LCR(0x83);
+ SSYNC();
+ bfin_write_UART_DLL(divisor & 0xFF);
+ SSYNC();
+ bfin_write_UART_DLH((divisor >> 8) & 0xFF);
+ SSYNC();
+ bfin_write_UART_LCR(0x03);
+ SSYNC();
+ bfin_write_UART_GCTL(0x01);
+ SSYNC();
+}
+
+void post_out_buff(char *buff)
+{
+
+ int i = 0;
+ for (i = 0; i < 0x80000; i++)
+ ;
+ i = 0;
+ while ((buff[i] != '\0') && (i != 100)) {
+ while (!(bfin_read_pUART_LSR() & 0x20)) ;
+ bfin_write_UART_THR(buff[i]);
+ SSYNC();
+ i++;
+ }
+ for (i = 0; i < 0x80000; i++)
+ ;
+}
+
+void post_init_pll(int mult, int div)
+{
+
+ bfin_write_SIC_IWR(0x01);
+ bfin_write_PLL_CTL((mult << 9));
+ bfin_write_PLL_DIV(div);
+ asm("CLI R2;");
+ asm("IDLE;");
+ asm("STI R2;");
+ while (!(bfin_read_PLL_STAT() & 0x20)) ;
+}
+
+int post_init_sdram(int sclk)
+{
+ int SDRAM_tRP, SDRAM_tRP_num, SDRAM_tRAS, SDRAM_tRAS_num, SDRAM_tRCD,
+ SDRAM_tWR;
+ int SDRAM_Tref, SDRAM_NRA, SDRAM_CL, SDRAM_SIZE, SDRAM_WIDTH,
+ mem_SDGCTL, mem_SDBCTL, mem_SDRRC;
+
+ if ((sclk > 119402985)) {
+ SDRAM_tRP = TRP_2;
+ SDRAM_tRP_num = 2;
+ SDRAM_tRAS = TRAS_7;
+ SDRAM_tRAS_num = 7;
+ SDRAM_tRCD = TRCD_2;
+ SDRAM_tWR = TWR_2;
+ } else if ((sclk > 104477612) && (sclk <= 119402985)) {
+ SDRAM_tRP = TRP_2;
+ SDRAM_tRP_num = 2;
+ SDRAM_tRAS = TRAS_6;
+ SDRAM_tRAS_num = 6;
+ SDRAM_tRCD = TRCD_2;
+ SDRAM_tWR = TWR_2;
+ } else if ((sclk > 89552239) && (sclk <= 104477612)) {
+ SDRAM_tRP = TRP_2;
+ SDRAM_tRP_num = 2;
+ SDRAM_tRAS = TRAS_5;
+ SDRAM_tRAS_num = 5;
+ SDRAM_tRCD = TRCD_2;
+ SDRAM_tWR = TWR_2;
+ } else if ((sclk > 74626866) && (sclk <= 89552239)) {
+ SDRAM_tRP = TRP_2;
+ SDRAM_tRP_num = 2;
+ SDRAM_tRAS = TRAS_4;
+ SDRAM_tRAS_num = 4;
+ SDRAM_tRCD = TRCD_2;
+ SDRAM_tWR = TWR_2;
+ } else if ((sclk > 66666667) && (sclk <= 74626866)) {
+ SDRAM_tRP = TRP_2;
+ SDRAM_tRP_num = 2;
+ SDRAM_tRAS = TRAS_3;
+ SDRAM_tRAS_num = 3;
+ SDRAM_tRCD = TRCD_2;
+ SDRAM_tWR = TWR_2;
+ } else if ((sclk > 59701493) && (sclk <= 66666667)) {
+ SDRAM_tRP = TRP_1;
+ SDRAM_tRP_num = 1;
+ SDRAM_tRAS = TRAS_4;
+ SDRAM_tRAS_num = 4;
+ SDRAM_tRCD = TRCD_1;
+ SDRAM_tWR = TWR_2;
+ } else if ((sclk > 44776119) && (sclk <= 59701493)) {
+ SDRAM_tRP = TRP_1;
+ SDRAM_tRP_num = 1;
+ SDRAM_tRAS = TRAS_3;
+ SDRAM_tRAS_num = 3;
+ SDRAM_tRCD = TRCD_1;
+ SDRAM_tWR = TWR_2;
+ } else if ((sclk > 29850746) && (sclk <= 44776119)) {
+ SDRAM_tRP = TRP_1;
+ SDRAM_tRP_num = 1;
+ SDRAM_tRAS = TRAS_2;
+ SDRAM_tRAS_num = 2;
+ SDRAM_tRCD = TRCD_1;
+ SDRAM_tWR = TWR_2;
+ } else if (sclk <= 29850746) {
+ SDRAM_tRP = TRP_1;
+ SDRAM_tRP_num = 1;
+ SDRAM_tRAS = TRAS_1;
+ SDRAM_tRAS_num = 1;
+ SDRAM_tRCD = TRCD_1;
+ SDRAM_tWR = TWR_2;
+ } else {
+ SDRAM_tRP = TRP_1;
+ SDRAM_tRP_num = 1;
+ SDRAM_tRAS = TRAS_1;
+ SDRAM_tRAS_num = 1;
+ SDRAM_tRCD = TRCD_1;
+ SDRAM_tWR = TWR_2;
+ }
+ /*SDRAM INFORMATION: */
+ SDRAM_Tref = 64; /* Refresh period in milliseconds */
+ SDRAM_NRA = 4096; /* Number of row addresses in SDRAM */
+ SDRAM_CL = CL_3; /* 2 */
+
+ SDRAM_SIZE = EBSZ_64;
+ SDRAM_WIDTH = EBCAW_10;
+
+ mem_SDBCTL = SDRAM_WIDTH | SDRAM_SIZE | EBE;
+
+ /* Equation from section 17 (p17-46) of BF533 HRM */
+ mem_SDRRC =
+ (((CONFIG_SCLK_HZ / 1000) * SDRAM_Tref) / SDRAM_NRA) -
+ (SDRAM_tRAS_num + SDRAM_tRP_num);
+
+ /* Enable SCLK Out */
+ mem_SDGCTL =
+ (SCTLE | SDRAM_CL | SDRAM_tRAS | SDRAM_tRP | SDRAM_tRCD | SDRAM_tWR
+ | PSS);
+
+ SSYNC();
+
+ bfin_write_EBIU_SDGCTL(bfin_write_EBIU_SDGCTL() | 0x1000000);
+ /* Set the SDRAM Refresh Rate control register based on SSCLK value */
+ bfin_write_EBIU_SDRRC(mem_SDRRC);
+
+ /* SDRAM Memory Bank Control Register */
+ bfin_write_EBIU_SDBCTL(mem_SDBCTL);
+
+ /* SDRAM Memory Global Control Register */
+ bfin_write_EBIU_SDGCTL(mem_SDGCTL);
+ SSYNC();
+ return mem_SDRRC;
+}
+
+#endif /* CONFIG_POST & CONFIG_SYS_POST_MEMORY */