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Diffstat (limited to 'hw/ppc/ppc405_uc.c')
-rw-r--r--hw/ppc/ppc405_uc.c515
1 files changed, 6 insertions, 509 deletions
diff --git a/hw/ppc/ppc405_uc.c b/hw/ppc/ppc405_uc.c
index f6fe3e6f5e..e621d0aec5 100644
--- a/hw/ppc/ppc405_uc.c
+++ b/hw/ppc/ppc405_uc.c
@@ -28,6 +28,7 @@
#include "hw/hw.h"
#include "hw/ppc/ppc.h"
#include "hw/boards.h"
+#include "hw/i2c/ppc4xx_i2c.h"
#include "ppc405.h"
#include "hw/char/serial.h"
#include "qemu/timer.h"
@@ -40,9 +41,7 @@
//#define DEBUG_GPIO
//#define DEBUG_SERIAL
//#define DEBUG_OCM
-//#define DEBUG_I2C
//#define DEBUG_GPT
-//#define DEBUG_MAL
//#define DEBUG_CLOCKS
//#define DEBUG_CLOCKS_LL
@@ -175,7 +174,7 @@ static void ppc4xx_plb_reset (void *opaque)
plb->besr = 0x00000000;
}
-static void ppc4xx_plb_init(CPUPPCState *env)
+void ppc4xx_plb_init(CPUPPCState *env)
{
ppc4xx_plb_t *plb;
@@ -586,7 +585,7 @@ static void ebc_reset (void *opaque)
ebc->cfg = 0x80400000;
}
-static void ppc405_ebc_init(CPUPPCState *env)
+void ppc405_ebc_init(CPUPPCState *env)
{
ppc4xx_ebc_t *ebc;
@@ -994,246 +993,6 @@ static void ppc405_ocm_init(CPUPPCState *env)
}
/*****************************************************************************/
-/* I2C controller */
-typedef struct ppc4xx_i2c_t ppc4xx_i2c_t;
-struct ppc4xx_i2c_t {
- qemu_irq irq;
- MemoryRegion iomem;
- uint8_t mdata;
- uint8_t lmadr;
- uint8_t hmadr;
- uint8_t cntl;
- uint8_t mdcntl;
- uint8_t sts;
- uint8_t extsts;
- uint8_t sdata;
- uint8_t lsadr;
- uint8_t hsadr;
- uint8_t clkdiv;
- uint8_t intrmsk;
- uint8_t xfrcnt;
- uint8_t xtcntlss;
- uint8_t directcntl;
-};
-
-static uint32_t ppc4xx_i2c_readb (void *opaque, hwaddr addr)
-{
- ppc4xx_i2c_t *i2c;
- uint32_t ret;
-
-#ifdef DEBUG_I2C
- printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
-#endif
- i2c = opaque;
- switch (addr) {
- case 0x00:
- // i2c_readbyte(&i2c->mdata);
- ret = i2c->mdata;
- break;
- case 0x02:
- ret = i2c->sdata;
- break;
- case 0x04:
- ret = i2c->lmadr;
- break;
- case 0x05:
- ret = i2c->hmadr;
- break;
- case 0x06:
- ret = i2c->cntl;
- break;
- case 0x07:
- ret = i2c->mdcntl;
- break;
- case 0x08:
- ret = i2c->sts;
- break;
- case 0x09:
- ret = i2c->extsts;
- break;
- case 0x0A:
- ret = i2c->lsadr;
- break;
- case 0x0B:
- ret = i2c->hsadr;
- break;
- case 0x0C:
- ret = i2c->clkdiv;
- break;
- case 0x0D:
- ret = i2c->intrmsk;
- break;
- case 0x0E:
- ret = i2c->xfrcnt;
- break;
- case 0x0F:
- ret = i2c->xtcntlss;
- break;
- case 0x10:
- ret = i2c->directcntl;
- break;
- default:
- ret = 0x00;
- break;
- }
-#ifdef DEBUG_I2C
- printf("%s: addr " TARGET_FMT_plx " %02" PRIx32 "\n", __func__, addr, ret);
-#endif
-
- return ret;
-}
-
-static void ppc4xx_i2c_writeb (void *opaque,
- hwaddr addr, uint32_t value)
-{
- ppc4xx_i2c_t *i2c;
-
-#ifdef DEBUG_I2C
- printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
- value);
-#endif
- i2c = opaque;
- switch (addr) {
- case 0x00:
- i2c->mdata = value;
- // i2c_sendbyte(&i2c->mdata);
- break;
- case 0x02:
- i2c->sdata = value;
- break;
- case 0x04:
- i2c->lmadr = value;
- break;
- case 0x05:
- i2c->hmadr = value;
- break;
- case 0x06:
- i2c->cntl = value;
- break;
- case 0x07:
- i2c->mdcntl = value & 0xDF;
- break;
- case 0x08:
- i2c->sts &= ~(value & 0x0A);
- break;
- case 0x09:
- i2c->extsts &= ~(value & 0x8F);
- break;
- case 0x0A:
- i2c->lsadr = value;
- break;
- case 0x0B:
- i2c->hsadr = value;
- break;
- case 0x0C:
- i2c->clkdiv = value;
- break;
- case 0x0D:
- i2c->intrmsk = value;
- break;
- case 0x0E:
- i2c->xfrcnt = value & 0x77;
- break;
- case 0x0F:
- i2c->xtcntlss = value;
- break;
- case 0x10:
- i2c->directcntl = value & 0x7;
- break;
- }
-}
-
-static uint32_t ppc4xx_i2c_readw (void *opaque, hwaddr addr)
-{
- uint32_t ret;
-
-#ifdef DEBUG_I2C
- printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
-#endif
- ret = ppc4xx_i2c_readb(opaque, addr) << 8;
- ret |= ppc4xx_i2c_readb(opaque, addr + 1);
-
- return ret;
-}
-
-static void ppc4xx_i2c_writew (void *opaque,
- hwaddr addr, uint32_t value)
-{
-#ifdef DEBUG_I2C
- printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
- value);
-#endif
- ppc4xx_i2c_writeb(opaque, addr, value >> 8);
- ppc4xx_i2c_writeb(opaque, addr + 1, value);
-}
-
-static uint32_t ppc4xx_i2c_readl (void *opaque, hwaddr addr)
-{
- uint32_t ret;
-
-#ifdef DEBUG_I2C
- printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
-#endif
- ret = ppc4xx_i2c_readb(opaque, addr) << 24;
- ret |= ppc4xx_i2c_readb(opaque, addr + 1) << 16;
- ret |= ppc4xx_i2c_readb(opaque, addr + 2) << 8;
- ret |= ppc4xx_i2c_readb(opaque, addr + 3);
-
- return ret;
-}
-
-static void ppc4xx_i2c_writel (void *opaque,
- hwaddr addr, uint32_t value)
-{
-#ifdef DEBUG_I2C
- printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
- value);
-#endif
- ppc4xx_i2c_writeb(opaque, addr, value >> 24);
- ppc4xx_i2c_writeb(opaque, addr + 1, value >> 16);
- ppc4xx_i2c_writeb(opaque, addr + 2, value >> 8);
- ppc4xx_i2c_writeb(opaque, addr + 3, value);
-}
-
-static const MemoryRegionOps i2c_ops = {
- .old_mmio = {
- .read = { ppc4xx_i2c_readb, ppc4xx_i2c_readw, ppc4xx_i2c_readl, },
- .write = { ppc4xx_i2c_writeb, ppc4xx_i2c_writew, ppc4xx_i2c_writel, },
- },
- .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-static void ppc4xx_i2c_reset (void *opaque)
-{
- ppc4xx_i2c_t *i2c;
-
- i2c = opaque;
- i2c->mdata = 0x00;
- i2c->sdata = 0x00;
- i2c->cntl = 0x00;
- i2c->mdcntl = 0x00;
- i2c->sts = 0x00;
- i2c->extsts = 0x00;
- i2c->clkdiv = 0x00;
- i2c->xfrcnt = 0x00;
- i2c->directcntl = 0x0F;
-}
-
-static void ppc405_i2c_init(hwaddr base, qemu_irq irq)
-{
- ppc4xx_i2c_t *i2c;
-
- i2c = g_malloc0(sizeof(ppc4xx_i2c_t));
- i2c->irq = irq;
-#ifdef DEBUG_I2C
- printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
-#endif
- memory_region_init_io(&i2c->iomem, NULL, &i2c_ops, i2c, "i2c", 0x011);
- memory_region_add_subregion(get_system_memory(), base, &i2c->iomem);
- qemu_register_reset(ppc4xx_i2c_reset, i2c);
-}
-
-/*****************************************************************************/
/* General purpose timers */
typedef struct ppc4xx_gpt_t ppc4xx_gpt_t;
struct ppc4xx_gpt_t {
@@ -1513,268 +1272,6 @@ static void ppc4xx_gpt_init(hwaddr base, qemu_irq irqs[5])
}
/*****************************************************************************/
-/* MAL */
-enum {
- MAL0_CFG = 0x180,
- MAL0_ESR = 0x181,
- MAL0_IER = 0x182,
- MAL0_TXCASR = 0x184,
- MAL0_TXCARR = 0x185,
- MAL0_TXEOBISR = 0x186,
- MAL0_TXDEIR = 0x187,
- MAL0_RXCASR = 0x190,
- MAL0_RXCARR = 0x191,
- MAL0_RXEOBISR = 0x192,
- MAL0_RXDEIR = 0x193,
- MAL0_TXCTP0R = 0x1A0,
- MAL0_TXCTP1R = 0x1A1,
- MAL0_TXCTP2R = 0x1A2,
- MAL0_TXCTP3R = 0x1A3,
- MAL0_RXCTP0R = 0x1C0,
- MAL0_RXCTP1R = 0x1C1,
- MAL0_RCBS0 = 0x1E0,
- MAL0_RCBS1 = 0x1E1,
-};
-
-typedef struct ppc40x_mal_t ppc40x_mal_t;
-struct ppc40x_mal_t {
- qemu_irq irqs[4];
- uint32_t cfg;
- uint32_t esr;
- uint32_t ier;
- uint32_t txcasr;
- uint32_t txcarr;
- uint32_t txeobisr;
- uint32_t txdeir;
- uint32_t rxcasr;
- uint32_t rxcarr;
- uint32_t rxeobisr;
- uint32_t rxdeir;
- uint32_t txctpr[4];
- uint32_t rxctpr[2];
- uint32_t rcbs[2];
-};
-
-static void ppc40x_mal_reset (void *opaque);
-
-static uint32_t dcr_read_mal (void *opaque, int dcrn)
-{
- ppc40x_mal_t *mal;
- uint32_t ret;
-
- mal = opaque;
- switch (dcrn) {
- case MAL0_CFG:
- ret = mal->cfg;
- break;
- case MAL0_ESR:
- ret = mal->esr;
- break;
- case MAL0_IER:
- ret = mal->ier;
- break;
- case MAL0_TXCASR:
- ret = mal->txcasr;
- break;
- case MAL0_TXCARR:
- ret = mal->txcarr;
- break;
- case MAL0_TXEOBISR:
- ret = mal->txeobisr;
- break;
- case MAL0_TXDEIR:
- ret = mal->txdeir;
- break;
- case MAL0_RXCASR:
- ret = mal->rxcasr;
- break;
- case MAL0_RXCARR:
- ret = mal->rxcarr;
- break;
- case MAL0_RXEOBISR:
- ret = mal->rxeobisr;
- break;
- case MAL0_RXDEIR:
- ret = mal->rxdeir;
- break;
- case MAL0_TXCTP0R:
- ret = mal->txctpr[0];
- break;
- case MAL0_TXCTP1R:
- ret = mal->txctpr[1];
- break;
- case MAL0_TXCTP2R:
- ret = mal->txctpr[2];
- break;
- case MAL0_TXCTP3R:
- ret = mal->txctpr[3];
- break;
- case MAL0_RXCTP0R:
- ret = mal->rxctpr[0];
- break;
- case MAL0_RXCTP1R:
- ret = mal->rxctpr[1];
- break;
- case MAL0_RCBS0:
- ret = mal->rcbs[0];
- break;
- case MAL0_RCBS1:
- ret = mal->rcbs[1];
- break;
- default:
- ret = 0;
- break;
- }
-
- return ret;
-}
-
-static void dcr_write_mal (void *opaque, int dcrn, uint32_t val)
-{
- ppc40x_mal_t *mal;
- int idx;
-
- mal = opaque;
- switch (dcrn) {
- case MAL0_CFG:
- if (val & 0x80000000)
- ppc40x_mal_reset(mal);
- mal->cfg = val & 0x00FFC087;
- break;
- case MAL0_ESR:
- /* Read/clear */
- mal->esr &= ~val;
- break;
- case MAL0_IER:
- mal->ier = val & 0x0000001F;
- break;
- case MAL0_TXCASR:
- mal->txcasr = val & 0xF0000000;
- break;
- case MAL0_TXCARR:
- mal->txcarr = val & 0xF0000000;
- break;
- case MAL0_TXEOBISR:
- /* Read/clear */
- mal->txeobisr &= ~val;
- break;
- case MAL0_TXDEIR:
- /* Read/clear */
- mal->txdeir &= ~val;
- break;
- case MAL0_RXCASR:
- mal->rxcasr = val & 0xC0000000;
- break;
- case MAL0_RXCARR:
- mal->rxcarr = val & 0xC0000000;
- break;
- case MAL0_RXEOBISR:
- /* Read/clear */
- mal->rxeobisr &= ~val;
- break;
- case MAL0_RXDEIR:
- /* Read/clear */
- mal->rxdeir &= ~val;
- break;
- case MAL0_TXCTP0R:
- idx = 0;
- goto update_tx_ptr;
- case MAL0_TXCTP1R:
- idx = 1;
- goto update_tx_ptr;
- case MAL0_TXCTP2R:
- idx = 2;
- goto update_tx_ptr;
- case MAL0_TXCTP3R:
- idx = 3;
- update_tx_ptr:
- mal->txctpr[idx] = val;
- break;
- case MAL0_RXCTP0R:
- idx = 0;
- goto update_rx_ptr;
- case MAL0_RXCTP1R:
- idx = 1;
- update_rx_ptr:
- mal->rxctpr[idx] = val;
- break;
- case MAL0_RCBS0:
- idx = 0;
- goto update_rx_size;
- case MAL0_RCBS1:
- idx = 1;
- update_rx_size:
- mal->rcbs[idx] = val & 0x000000FF;
- break;
- }
-}
-
-static void ppc40x_mal_reset (void *opaque)
-{
- ppc40x_mal_t *mal;
-
- mal = opaque;
- mal->cfg = 0x0007C000;
- mal->esr = 0x00000000;
- mal->ier = 0x00000000;
- mal->rxcasr = 0x00000000;
- mal->rxdeir = 0x00000000;
- mal->rxeobisr = 0x00000000;
- mal->txcasr = 0x00000000;
- mal->txdeir = 0x00000000;
- mal->txeobisr = 0x00000000;
-}
-
-static void ppc405_mal_init(CPUPPCState *env, qemu_irq irqs[4])
-{
- ppc40x_mal_t *mal;
- int i;
-
- mal = g_malloc0(sizeof(ppc40x_mal_t));
- for (i = 0; i < 4; i++)
- mal->irqs[i] = irqs[i];
- qemu_register_reset(&ppc40x_mal_reset, mal);
- ppc_dcr_register(env, MAL0_CFG,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_ESR,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_IER,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_TXCASR,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_TXCARR,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_TXEOBISR,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_TXDEIR,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_RXCASR,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_RXCARR,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_RXEOBISR,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_RXDEIR,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_TXCTP0R,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_TXCTP1R,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_TXCTP2R,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_TXCTP3R,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_RXCTP0R,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_RXCTP1R,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_RCBS0,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_RCBS1,
- mal, &dcr_read_mal, &dcr_write_mal);
-}
-
-/*****************************************************************************/
/* SPR */
void ppc40x_core_reset(PowerPCCPU *cpu)
{
@@ -2167,7 +1664,7 @@ CPUPPCState *ppc405cr_init(MemoryRegion *address_space_mem,
DEVICE_BIG_ENDIAN);
}
/* IIC controller */
- ppc405_i2c_init(0xef600500, pic[2]);
+ sysbus_create_simple(TYPE_PPC4xx_I2C, 0xef600500, pic[2]);
/* GPIO */
ppc405_gpio_init(0xef600700);
/* CPU control */
@@ -2514,7 +2011,7 @@ CPUPPCState *ppc405ep_init(MemoryRegion *address_space_mem,
dma_irqs[3] = pic[8];
ppc405_dma_init(env, dma_irqs);
/* IIC controller */
- ppc405_i2c_init(0xef600500, pic[2]);
+ sysbus_create_simple(TYPE_PPC4xx_I2C, 0xef600500, pic[2]);
/* GPIO */
ppc405_gpio_init(0xef600700);
/* Serial ports */
@@ -2544,7 +2041,7 @@ CPUPPCState *ppc405ep_init(MemoryRegion *address_space_mem,
mal_irqs[1] = pic[12];
mal_irqs[2] = pic[13];
mal_irqs[3] = pic[14];
- ppc405_mal_init(env, mal_irqs);
+ ppc4xx_mal_init(env, 4, 2, mal_irqs);
/* Ethernet */
/* Uses pic[9], pic[15], pic[17] */
/* CPU control */
generated by cgit v1.2.3 (git 2.26.2) at 2025-03-08 16:06:22 +0000