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aspeed: add a ast2500 SoC and support to the SCU and SDMC controllers 

Based on previous work done by Andrew Jeffery <andrew@aj.id.au>.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1473438177-26079-9-git-send-email-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Cédric Le Goater 2016-09-22 18:13:05 +01:00 committed by Peter Maydell
parent 8da33ef757
commit 365aff1eaa
4 changed files with 122 additions and 1 deletions
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2
hw/arm/aspeed_soc.c
View File

@ -38,10 +38,12 @@ static const int uart_irqs[] = { 9, 32, 33, 34, 10 };
static const int timer_irqs[] = { 16, 17, 18, 35, 36, 37, 38, 39, };
#define AST2400_SDRAM_BASE 0x40000000
#define AST2500_SDRAM_BASE 0x80000000
static const AspeedSoCInfo aspeed_socs[] = {
{ "ast2400-a0", "arm926", AST2400_A0_SILICON_REV, AST2400_SDRAM_BASE },
{ "ast2400", "arm926", AST2400_A0_SILICON_REV, AST2400_SDRAM_BASE },
{ "ast2500-a1", "arm1176", AST2500_A1_SILICON_REV, AST2500_SDRAM_BASE },
};
/*

45
hw/misc/aspeed_scu.c
View File

@ -120,6 +120,41 @@ static const uint32_t ast2400_a0_resets[ASPEED_SCU_NR_REGS] = {
[BMC_DEV_ID] = 0x00002402U
};
/* SCU70 bit 23: 0 24Mhz. bit 11:9: 0b001 AXI:ABH ratio 2:1 */
/* AST2500 revision A1 */
static const uint32_t ast2500_a1_resets[ASPEED_SCU_NR_REGS] = {
[SYS_RST_CTRL] = 0xFFCFFEDCU,
[CLK_SEL] = 0xF3F40000U,
[CLK_STOP_CTRL] = 0x19FC3E8BU,
[D2PLL_PARAM] = 0x00026108U,
[MPLL_PARAM] = 0x00030291U,
[HPLL_PARAM] = 0x93000400U,
[MISC_CTRL1] = 0x00000010U,
[PCI_CTRL1] = 0x20001A03U,
[PCI_CTRL2] = 0x20001A03U,
[PCI_CTRL3] = 0x04000030U,
[SYS_RST_STATUS] = 0x00000001U,
[SOC_SCRATCH1] = 0x000000C0U, /* SoC completed DRAM init */
[MISC_CTRL2] = 0x00000023U,
[RNG_CTRL] = 0x0000000EU,
[PINMUX_CTRL2] = 0x0000F000U,
[PINMUX_CTRL3] = 0x03000000U,
[PINMUX_CTRL4] = 0x00000000U,
[PINMUX_CTRL5] = 0x0000A000U,
[WDT_RST_CTRL] = 0x023FFFF3U,
[PINMUX_CTRL8] = 0xFFFF0000U,
[PINMUX_CTRL9] = 0x000FFFFFU,
[FREE_CNTR4] = 0x000000FFU,
[FREE_CNTR4_EXT] = 0x000000FFU,
[CPU2_BASE_SEG1] = 0x80000000U,
[CPU2_BASE_SEG4] = 0x1E600000U,
[CPU2_BASE_SEG5] = 0xC0000000U,
[UART_HPLL_CLK] = 0x00001903U,
[PCIE_CTRL] = 0x0000007BU,
[BMC_DEV_ID] = 0x00002402U
};
static uint64_t aspeed_scu_read(void *opaque, hwaddr offset, unsigned size)
{
AspeedSCUState *s = ASPEED_SCU(opaque);
@ -198,6 +233,10 @@ static void aspeed_scu_reset(DeviceState *dev)
case AST2400_A0_SILICON_REV:
reset = ast2400_a0_resets;
break;
case AST2500_A0_SILICON_REV:
case AST2500_A1_SILICON_REV:
reset = ast2500_a1_resets;
break;
default:
g_assert_not_reached();
}
@ -208,7 +247,11 @@ static void aspeed_scu_reset(DeviceState *dev)
s->regs[HW_STRAP2] = s->hw_strap2;
}
static uint32_t aspeed_silicon_revs[] = { AST2400_A0_SILICON_REV, };
static uint32_t aspeed_silicon_revs[] = {
AST2400_A0_SILICON_REV,
AST2500_A0_SILICON_REV,
AST2500_A1_SILICON_REV,
};
bool is_supported_silicon_rev(uint32_t silicon_rev)
{

1
hw/misc/aspeed_sdmc.c
View File

@ -196,6 +196,7 @@ static void aspeed_sdmc_reset(DeviceState *dev)
break;
case AST2500_A0_SILICON_REV:
case AST2500_A1_SILICON_REV:
s->regs[R_CONF] |=
ASPEED_SDMC_HW_VERSION(1) |
ASPEED_SDMC_VGA_APERTURE(ASPEED_SDMC_VGA_64MB) |

75
include/hw/misc/aspeed_scu.h
View File

@ -33,6 +33,7 @@ typedef struct AspeedSCUState {
#define AST2400_A0_SILICON_REV 0x02000303U
#define AST2500_A0_SILICON_REV 0x04000303U
#define AST2500_A1_SILICON_REV 0x04010303U
extern bool is_supported_silicon_rev(uint32_t silicon_rev);
@ -154,4 +155,78 @@ extern bool is_supported_silicon_rev(uint32_t silicon_rev);
#define AST2400_SPI_BOOT 2
#define AST2400_DIS_BOOT 3
/*
* Hardware strapping register definition (for Aspeed AST2500 SoC and
* higher)
*
* 31 Enable SPI Flash Strap Auto Fetch Mode
* 30 Enable GPIO Strap Mode
* 29 Select UART Debug Port
* 28 Reserved (1)
* 27 Enable fast reset mode for ARM ICE debugger
* 26 Enable eSPI flash mode
* 25 Enable eSPI mode
* 24 Select DDR4 SDRAM
* 23 Select 25 MHz reference clock input mode
* 22 Enable GPIOE pass-through mode
* 21 Enable GPIOD pass-through mode
* 20 Disable LPC to decode SuperIO 0x2E/0x4E address
* 19 Enable ACPI function
* 18 Select USBCKI input frequency
* 17 Enable BMC 2nd boot watchdog timer
* 16 SuperIO configuration address selection
* 15 VGA Class Code selection
* 14 Select dedicated LPC reset input
* 13:12 SPI mode selection
* 11:9 AXI/AHB clock frequency ratio selection
* 8 Reserved (0)
* 7 Define MAC#2 interface
* 6 Define MAC#1 interface
* 5 Enable dedicated VGA BIOS ROM
* 4 Reserved (0)
* 3:2 VGA memory size selection
* 1 Reserved (1)
* 0 Disable CPU boot
*/
#define SCU_AST2500_HW_STRAP_SPI_AUTOFETCH_ENABLE (0x1 << 31)
#define SCU_AST2500_HW_STRAP_GPIO_STRAP_ENABLE (0x1 << 30)
#define SCU_AST2500_HW_STRAP_UART_DEBUG (0x1 << 29)
#define UART_DEBUG_UART1 0
#define UART_DEBUG_UART5 1
#define SCU_AST2500_HW_STRAP_RESERVED28 (0x1 << 28)
#define SCU_AST2500_HW_STRAP_FAST_RESET_DBG (0x1 << 27)
#define SCU_AST2500_HW_STRAP_ESPI_FLASH_ENABLE (0x1 << 26)
#define SCU_AST2500_HW_STRAP_ESPI_ENABLE (0x1 << 25)
#define SCU_AST2500_HW_STRAP_DDR4_ENABLE (0x1 << 24)
#define SCU_AST2500_HW_STRAP_ACPI_ENABLE (0x1 << 19)
#define SCU_AST2500_HW_STRAP_USBCKI_FREQ (0x1 << 18)
#define USBCKI_FREQ_24MHZ 0
#define USBCKI_FREQ_28MHZ 1
#define SCU_AST2500_HW_STRAP_SET_AXI_AHB_RATIO(x) ((x) << 9)
#define SCU_AST2500_HW_STRAP_GET_AXI_AHB_RATIO(x) (((x) >> 9) & 7)
#define SCU_AST2500_HW_STRAP_CPU_AXI_RATIO_MASK (0x7 << 9)
#define AXI_AHB_RATIO_UNDEFINED 0
#define AXI_AHB_RATIO_2_1 1
#define AXI_AHB_RATIO_3_1 2
#define AXI_AHB_RATIO_4_1 3
#define AXI_AHB_RATIO_5_1 4
#define AXI_AHB_RATIO_6_1 5
#define AXI_AHB_RATIO_7_1 6
#define AXI_AHB_RATIO_8_1 7
#define SCU_AST2500_HW_STRAP_RESERVED1 (0x1 << 1)
#define SCU_AST2500_HW_STRAP_DIS_BOOT (0x1 << 0)
#define AST2500_HW_STRAP1_DEFAULTS ( \
SCU_AST2500_HW_STRAP_RESERVED28 | \
SCU_HW_STRAP_2ND_BOOT_WDT | \
SCU_HW_STRAP_VGA_CLASS_CODE | \
SCU_HW_STRAP_LPC_RESET_PIN | \
SCU_AST2500_HW_STRAP_SET_AXI_AHB_RATIO(AXI_AHB_RATIO_2_1) | \
SCU_HW_STRAP_VGA_SIZE_SET(VGA_16M_DRAM) | \
SCU_AST2500_HW_STRAP_RESERVED1)
#endif /* ASPEED_SCU_H */