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Diffstat (limited to 'arch/arm/mach-davinci/board-mityomapl138.c')
-rw-r--r--arch/arm/mach-davinci/board-mityomapl138.c201
1 files changed, 181 insertions, 20 deletions
diff --git a/arch/arm/mach-davinci/board-mityomapl138.c b/arch/arm/mach-davinci/board-mityomapl138.c
index 0bb5f0ce4fd..96fc00a167f 100644
--- a/arch/arm/mach-davinci/board-mityomapl138.c
+++ b/arch/arm/mach-davinci/board-mityomapl138.c
@@ -15,18 +15,23 @@
#include <linux/mtd/partitions.h>
#include <linux/regulator/machine.h>
#include <linux/i2c.h>
-#include <linux/i2c/at24.h>
+#include <linux/platform_data/at24.h>
#include <linux/etherdevice.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/flash.h>
+#include <asm/io.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/common.h>
#include <mach/cp_intc.h>
#include <mach/da8xx.h>
-#include <mach/nand.h>
+#include <linux/platform_data/mtd-davinci.h>
+#include <linux/platform_data/mtd-davinci-aemif.h>
#include <mach/mux.h>
+#include <linux/platform_data/spi-davinci.h>
-#define MITYOMAPL138_PHY_ID "0:03"
+#define MITYOMAPL138_PHY_ID ""
#define FACTORY_CONFIG_MAGIC 0x012C0138
#define FACTORY_CONFIG_VERSION 0x00010001
@@ -44,38 +49,109 @@ struct factory_config {
static struct factory_config factory_config;
+struct part_no_info {
+ const char *part_no; /* part number string of interest */
+ int max_freq; /* khz */
+};
+
+static struct part_no_info mityomapl138_pn_info[] = {
+ {
+ .part_no = "L138-C",
+ .max_freq = 300000,
+ },
+ {
+ .part_no = "L138-D",
+ .max_freq = 375000,
+ },
+ {
+ .part_no = "L138-F",
+ .max_freq = 456000,
+ },
+ {
+ .part_no = "1808-C",
+ .max_freq = 300000,
+ },
+ {
+ .part_no = "1808-D",
+ .max_freq = 375000,
+ },
+ {
+ .part_no = "1808-F",
+ .max_freq = 456000,
+ },
+ {
+ .part_no = "1810-D",
+ .max_freq = 375000,
+ },
+};
+
+#ifdef CONFIG_CPU_FREQ
+static void mityomapl138_cpufreq_init(const char *partnum)
+{
+ int i, ret;
+
+ for (i = 0; partnum && i < ARRAY_SIZE(mityomapl138_pn_info); i++) {
+ /*
+ * the part number has additional characters beyond what is
+ * stored in the table. This information is not needed for
+ * determining the speed grade, and would require several
+ * more table entries. Only check the first N characters
+ * for a match.
+ */
+ if (!strncmp(partnum, mityomapl138_pn_info[i].part_no,
+ strlen(mityomapl138_pn_info[i].part_no))) {
+ da850_max_speed = mityomapl138_pn_info[i].max_freq;
+ break;
+ }
+ }
+
+ ret = da850_register_cpufreq("pll0_sysclk3");
+ if (ret)
+ pr_warning("cpufreq registration failed: %d\n", ret);
+}
+#else
+static void mityomapl138_cpufreq_init(const char *partnum) { }
+#endif
+
static void read_factory_config(struct memory_accessor *a, void *context)
{
int ret;
+ const char *partnum = NULL;
struct davinci_soc_info *soc_info = &davinci_soc_info;
ret = a->read(a, (char *)&factory_config, 0, sizeof(factory_config));
if (ret != sizeof(struct factory_config)) {
pr_warning("MityOMAPL138: Read Factory Config Failed: %d\n",
ret);
- return;
+ goto bad_config;
}
if (factory_config.magic != FACTORY_CONFIG_MAGIC) {
pr_warning("MityOMAPL138: Factory Config Magic Wrong (%X)\n",
factory_config.magic);
- return;
+ goto bad_config;
}
if (factory_config.version != FACTORY_CONFIG_VERSION) {
pr_warning("MityOMAPL138: Factory Config Version Wrong (%X)\n",
factory_config.version);
- return;
+ goto bad_config;
}
pr_info("MityOMAPL138: Found MAC = %pM\n", factory_config.mac);
- pr_info("MityOMAPL138: Part Number = %s\n", factory_config.partnum);
if (is_valid_ether_addr(factory_config.mac))
memcpy(soc_info->emac_pdata->mac_addr,
factory_config.mac, ETH_ALEN);
else
pr_warning("MityOMAPL138: Invalid MAC found "
"in factory config block\n");
+
+ partnum = factory_config.partnum;
+ pr_info("MityOMAPL138: Part Number = %s\n", partnum);
+
+bad_config:
+ /* default maximum speed is valid for all platforms */
+ mityomapl138_cpufreq_init(partnum);
}
static struct at24_platform_data mityomapl138_fd_chip = {
@@ -223,6 +299,82 @@ static int __init pmic_tps65023_init(void)
}
/*
+ * SPI Devices:
+ * SPI1_CS0: 8M Flash ST-M25P64-VME6G
+ */
+static struct mtd_partition spi_flash_partitions[] = {
+ [0] = {
+ .name = "ubl",
+ .offset = 0,
+ .size = SZ_64K,
+ .mask_flags = MTD_WRITEABLE,
+ },
+ [1] = {
+ .name = "u-boot",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_512K,
+ .mask_flags = MTD_WRITEABLE,
+ },
+ [2] = {
+ .name = "u-boot-env",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_64K,
+ .mask_flags = MTD_WRITEABLE,
+ },
+ [3] = {
+ .name = "periph-config",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_64K,
+ .mask_flags = MTD_WRITEABLE,
+ },
+ [4] = {
+ .name = "reserved",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_256K + SZ_64K,
+ },
+ [5] = {
+ .name = "kernel",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_2M + SZ_1M,
+ },
+ [6] = {
+ .name = "fpga",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_2M,
+ },
+ [7] = {
+ .name = "spare",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static struct flash_platform_data mityomapl138_spi_flash_data = {
+ .name = "m25p80",
+ .parts = spi_flash_partitions,
+ .nr_parts = ARRAY_SIZE(spi_flash_partitions),
+ .type = "m24p64",
+};
+
+static struct davinci_spi_config spi_eprom_config = {
+ .io_type = SPI_IO_TYPE_DMA,
+ .c2tdelay = 8,
+ .t2cdelay = 8,
+};
+
+static struct spi_board_info mityomapl138_spi_flash_info[] = {
+ {
+ .modalias = "m25p80",
+ .platform_data = &mityomapl138_spi_flash_data,
+ .controller_data = &spi_eprom_config,
+ .mode = SPI_MODE_0,
+ .max_speed_hz = 30000000,
+ .bus_num = 1,
+ .chip_select = 0,
+ },
+};
+
+/*
* MityDSP-L138 includes a 256 MByte large-page NAND flash
* (128K blocks).
*/
@@ -245,7 +397,8 @@ static struct davinci_nand_pdata mityomapl138_nandflash_data = {
.parts = mityomapl138_nandflash_partition,
.nr_parts = ARRAY_SIZE(mityomapl138_nandflash_partition),
.ecc_mode = NAND_ECC_HW,
- .options = NAND_USE_FLASH_BBT | NAND_BUSWIDTH_16,
+ .bbt_options = NAND_BBT_USE_FLASH,
+ .options = NAND_BUSWIDTH_16,
.ecc_bits = 1, /* 4 bit mode is not supported with 16 bit NAND */
};
@@ -264,7 +417,7 @@ static struct resource mityomapl138_nandflash_resource[] = {
static struct platform_device mityomapl138_nandflash_device = {
.name = "davinci_nand",
- .id = 0,
+ .id = 1,
.dev = {
.platform_data = &mityomapl138_nandflash_data,
},
@@ -280,11 +433,10 @@ static void __init mityomapl138_setup_nand(void)
{
platform_add_devices(mityomapl138_devices,
ARRAY_SIZE(mityomapl138_devices));
-}
-static struct davinci_uart_config mityomapl138_uart_config __initdata = {
- .enabled_uarts = 0x7,
-};
+ if (davinci_aemif_setup(&mityomapl138_nandflash_device))
+ pr_warn("%s: Cannot configure AEMIF.\n", __func__);
+}
static const short mityomap_mii_pins[] = {
DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3,
@@ -365,7 +517,7 @@ static void __init mityomapl138_init(void)
if (ret)
pr_warning("watchdog registration failed: %d\n", ret);
- davinci_serial_init(&mityomapl138_uart_config);
+ davinci_serial_init(da8xx_serial_device);
ret = da8xx_register_i2c(0, &mityomap_i2c_0_pdata);
if (ret)
@@ -377,16 +529,22 @@ static void __init mityomapl138_init(void)
mityomapl138_setup_nand();
+ ret = spi_register_board_info(mityomapl138_spi_flash_info,
+ ARRAY_SIZE(mityomapl138_spi_flash_info));
+ if (ret)
+ pr_warn("spi info registration failed: %d\n", ret);
+
+ ret = da8xx_register_spi_bus(1,
+ ARRAY_SIZE(mityomapl138_spi_flash_info));
+ if (ret)
+ pr_warning("spi 1 registration failed: %d\n", ret);
+
mityomapl138_config_emac();
ret = da8xx_register_rtc();
if (ret)
pr_warning("rtc setup failed: %d\n", ret);
- ret = da850_register_cpufreq("pll0_sysclk3");
- if (ret)
- pr_warning("cpufreq registration failed: %d\n", ret);
-
ret = da8xx_register_cpuidle();
if (ret)
pr_warning("cpuidle registration failed: %d\n", ret);
@@ -414,9 +572,12 @@ static void __init mityomapl138_map_io(void)
}
MACHINE_START(MITYOMAPL138, "MityDSP-L138/MityARM-1808")
- .boot_params = (DA8XX_DDR_BASE + 0x100),
+ .atag_offset = 0x100,
.map_io = mityomapl138_map_io,
.init_irq = cp_intc_init,
- .timer = &davinci_timer,
+ .init_time = davinci_timer_init,
.init_machine = mityomapl138_init,
+ .init_late = davinci_init_late,
+ .dma_zone_size = SZ_128M,
+ .restart = da8xx_restart,
MACHINE_END
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-15 23:36:57 +0000