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add partial nand and sd/mmc drivers

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This commit is contained in:
Bas Wijnen
2010-05-15 18:42:17 +02:00
parent 8c7cac36e6
commit 6bf41032d8
13 changed files with 584 additions and 132 deletions
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4
mips/nanonote/Makefile.arch
View File

@@ -27,9 +27,9 @@ LDFLAGS = --omagic -Ttext $(load)
arch_iris_sources = mips/interrupts.cc mips/arch.cc
boot_sources = mips/init.cc mips/nanonote/board.cc
arch_headers = mips/arch.hh mips/nanonote/jz4740.hh mips/nanonote/board.hh devices.hh
arch_headers = mips/arch.hh mips/nanonote/jz4740.hh mips/nanonote/board.hh
boot_threads = bootinit udc
programs = init gpio lcd bsquare ball buzzer metronome elfrun alarm gui
programs = init gpio lcd bsquare ball buzzer metronome elfrun alarm gui nand sd+mmc
all: test

7
mips/nanonote/board.ccp
View File

@@ -46,6 +46,13 @@ void board_init ():
// Use some gpio pins for lcd.
gpio_as_gpio (2, (1 << 21) | (1 << 22) | (1 << 23))
gpio_as_output (2, (1 << 21) | (1 << 22) | (1 << 23))
// And some for sd/mmc.
gpio_as_gpio (3, (1 << 0) | (1 << 2))
gpio_as_output (3, 1 << 2)
gpio_as_input (3, 1 << 0)
gpio_disable_pull (3, (1 << 0) | (1 << 2))
// Disable power to sd/mmc by default.
gpio_set (3, 1 << 2)
// Set up keyboard: this breaks uart receive.
gpio_as_gpio (3, 0x05fc0000)
// Set up timed interrupts.

7
mips/nanonote/jz4740.hhp
View File

@@ -120,6 +120,7 @@ static void __map_io (unsigned physical, unsigned mapping):
#define map_rtc() do { __map_io (RTC_PHYSICAL, RTC_BASE); } while (1)
#define map_gpio() do { __map_io (GPIO_PHYSICAL, GPIO_BASE); } while (0)
#define map_aic() do { __map_io (AIC_PHYSICAL, AIC_BASE); } while (0)
#define map_msc() do { __map_io (MSC_PHYSICAL, MSC_BASE); } while (0)
#define map_uart0() do { __map_io (UART0_PHYSICAL, UART0_BASE); } while (0)
#define map_i2c() do { __map_io (I2C_PHYSICAL, I2C_BASE); } while (0)
#define map_ssi() do { __map_io (SSI_PHYSICAL, SSI_BASE); } while (0)
@@ -3140,14 +3141,8 @@ static void msc_set_cmdat_res_format(unsigned r):
#define msc_rd_rxfifo() ( MSC_RXFIFO )
#define msc_wr_txfifo(v) ( MSC_TXFIFO = v )
static void msc_reset():
MSC_STRPCL = MSC_STRPCL_RESET
while MSC_STAT & MSC_STAT_IS_RESETTING:
#define msc_start_clk() (MSC_STRPCL = MSC_STRPCL_CLOCK_CONTROL_START)
#define msc_stop_clk() (MSC_STRPCL = MSC_STRPCL_CLOCK_CONTROL_STOP)
#define MMC_CLK 19169200
#define SD_CLK 24576000